Overview
A strong winter storm moved across much of the Midwest ahead of Christmas bringing strong winds, dangerously cold wind chills, and snow.
The event began Thursday night with rain followed by a frontal passage which brought a rapid 25 degree temperature fall which caused a flash freeze of the residual moisture on the ground. Snow then fell for several hours with 1-3 inches of accumulation across central Indiana. Strong winds also arrived in the aftermath of the frontal passage with gusts up to 56 mph by the morning hours on Friday. Temperatures continued to fall Thursday night with lows well below zero and wind chills approaching 40 below zero.
Cold conditions continued through the day on Friday with blowing snow throughout the day. Numerous travel hazards were caused by the combination of ice on the roads and the blowing snow which continued into Saturday. Another concern was the extreme cold which caused issues for snow clearing equipment. Numerous accidents were caused by the snow and ice.
Snowfall and Visibility
Snow amounts were generally between 1 and 3 inches, but the extent of the blowing snow made measurements very difficult. The combination of the flash freeze, extreme cold, high winds, and snow led to significant travel issues ahead of the Christmas holiday travel.

...SNOWFALL TOTALS for Late 12/22 -to- 700 AM EST 12/24...
I. GREATEST REPORTS for each COUNTY, where 2.5 or greater...
County Location Snowfall Source
JENNINGS North Vernon 2 ESE 3.5 in COOP
DAVIESS Elnora 3.0 in COOP
RUSH Modoc 3.0 in CoCoRaHS
DECATUR Greensburg 6.0 SW 2.8 in CoCoRaHS
HOWARD Kokomo 3 WSW 2.8 in COOP
MADISON Anderson 2.0 S 2.8 in CoCoRaHS
DELAWARE Macedonia 2.5 in CoCoRaHS
SHELBY Fairland 0.9 SSW 2.5 in CoCoRaHS
II. STORM TOTAL SNOWFALL REPORTS, by county...
Central Indiana location Amount Time/Date Provider
...Bartholomew County...
Columbus 2.1 ENE 2.2 in 700AM 12/24 CoCoRaHS
Taylorsville 0.8 SSW 2.2 in 700AM 12/24 CoCoRaHS
Columbus 0.8 in 700AM 12/24 COOP
Flat Rock 1.2 SSW 0.7 in 700AM 12/24 CoCoRaHS
...Boone County...
Jamestown 2 E 1.7 in 700AM 12/23 COOP
Lebanon 6 W 1.3 in 700AM 12/24 COOP
Zionsville 1.2 in 700AM 12/24 CoCoRaHS
Whitestown 3.1 E 1.0 in 700AM 12/24 CoCoRaHS
...Brown County...
Needmore 1.7 SSW 1.8 in 700AM 12/24 CoCoRaHS
Beanblossom 1.4 NE 1.1 in 700AM 12/24 CoCoRaHS
Stone Head 2.3 ENE 1.0 in 700AM 12/24 CoCoRaHS
...Carroll County...
Burlington 2.0 in 700AM 12/24 CoCoRaHS
...Clay County...
Bowling Green 1 W 2.0 in 700AM 12/24 COOP
Howesville 1.8 in 700AM 12/24 CoCoRaHS
...Clinton County...
Mulberry 0.6 SSE 1.5 in 700AM 12/23 CoCoRaHS
Frankfrot 0.9 SSE 1.2 in 700AM 12/24 CoCoRaHS
Frankfort 4.9 NNE 1.0 in 700AM 12/24 CoCoRaHS
...Daviess County...
Elnora 3.0 in 400PM 12/24 COOP
Washington 3.3 SE 1.5 in 700AM 12/24 CoCoRaHS
Plainfield 1.3 S 1.0 in 700AM 12/24 CoCoRaHS
...Decatur County...
Greensburg 6.0 SW 2.8 in 700AM 12/24 CoCoRaHS
...Delaware County...
Macedonia 2.5 in 700AM 12/24 CoCoRaHS
Muncie WWTP 2.0 in 700AM 12/24 COOP
Muncie 1.6 WNW 0.7 in 700AM 12/24 CoCoRaHS
Yorktown 1.1 NNW 0.6 in 700AM 12/24 CoCoRaHS
...Greene County...
Bloomfield 5.3 ENE 1.5 in 700AM 12/24 CoCoRaHS
Stanford 1.8 SSW 1.5 in 700AM 12/24 CoCoRaHS
...Hamilton County...
Carmel 1.5 W 2.0 in 700AM 12/24 CoCoRaHS
Westfield 1.4 ESE 2.0 in 700AM 12/24 CoCoRaHS
McCordsville 2.6 NE 2.0 in 700AM 12/24 CoCoRaHS
Fishers 4.3 ENE 1.0 in 700AM 12/24 CoCoRaHS
Noblesville 4.4 ESE 1.0 in 700AM 12/24 CoCoRaHS
...Hancock County...
Greenfield WWTP 0.5 in 700AM 12/24 COOP
Willow Branch 0.5 in 700AM 12/23 CoCoRaHS
...Hendricks County...
Danville 3 SW 2.3 in 700AM 12/24 COOP
Brownsburg 0.8 NNW 1.7 in 700AM 12/24 NWS Emply
Avon 1.4 WNW 1.6 in 700AM 12/24 CoCoRaHS
Brownsburg 5.1 NNE 1.3 in 700AM 12/23 CoCoRaHS
...Henry County...
Lewisville 1.8 ENE 2.0 in 700AM 12/24 CoCoRaHS
New Castle 5.4 WSW 1.7 in 700AM 12/23 CoCoRaHS
New Castle 3 SW 1.0 in 700AM 12/24 CoCoRaHS
...Howard County...
Kokomo 3 WSW 2.8 in 700AM 12/24 COOP
Young America 2.7 in 700AM 12/24 CoCoRaHS
...Jennings County...
North Vernon 2 ESE 3.5 in 700AM 12/24 COOP
...Johnson County...
Franklin 1 W 1.5 in 700AM 12/24 COOP
Franklin WWTP 1.3 in 700AM 12/24 COOP
Greenwood 2.6 W 1.3 in 700AM 12/24 CoCoRaHS
Greenwood 4.9 SW 0.8 in 700AM 12/24 CoCoRaHS
...Knox County...
Vincennes 4 E 0.8 in 700AM 12/24 COOP
...Lawrence County...
Oolitic Purdue Ex Farm 1.3 in 700AM 12/24 COOP
Harrodsburg 2.9 SSW 1.2 in 700AM 12/24 CoCoRaHS
Mitchell 4.1 E 1.1 in 700AM 12/24 CoCoRaHS
Mitchell 2.1 N 1.0 in 700AM 12/24 CoCoRaHS
Oolitic 2.8 ENE 0.9 in 700AM 12/24 CoCoRaHS
...Madison County...
Anderson 2.0 S 2.8 in 700AM 12/24 CoCoRaHS
Anderson 2.5 in 700AM 12/24 CoCoRaHS
Anderson 4.0 N 2.1 in 700AM 12/24 CoCoRaHS
Ingalls 3.0 WNW 1.0 in 700AM 12/24 CoCoRaHS
...Marion County...
Castleton 2 S 1.8 in 700AM 12/24 COOP
Indianapolis Intl AP 1.1 S 1.6 in 700AM 12/24 NWS WFO
McCordsville 1.3 W 1.6 in 700AM 12/24 CoCoRaHS
Speedway 1.5 in 700AM 12/24 CoCoRaHS
Millersville 1.0 in 700AM 12/24 CoCoRaHS
Fountain Square 0.9 SSW 0.9 in 700AM 12/24 CoCoRaHS
Williams Creek 0.7 in 700AM 12/24 CoCoRaHS
Clermont 1.1 N 0.6 in 700AM 12/24 CoCoRaHS
...Martin County...
Shoals 4.0 E 1.5 in 700AM 12/23 CoCoRaHS
Shoals 8 S 1.5 in 700AM 12/24 COOP
...Monroe County...
Ellettsville 2.7 NE 2.0 in 700AM 12/23 CoCoRaHS
Ellettsville 0.5 W 1.5 in 700AM 12/24 CoCoRaHS
Bloomington 4.1 SSW 1.2 in 700AM 12/23 CoCoRaHS
...Montgomery County...
Crawfordsville 6 SE 1.8 in 700AM 12/24 COOP
New Market 2.6 WNW 1.3 in 700AM 12/24 NWS Emply
...Morgan County...
Brooklyn 1.5 in 700AM 12/24 NWS Emply
Mooresville 1.8 NE 1.1 in 700AM 12/24 CoCoRaHS
Martinsville 2 SW 1.0 in 700AM 12/24 COOP
...Owen County...
Spencer WWTP 2.0 in 700AM 12/24 COOP
Freeman 2.7 NE 1.6 in 700AM 12/24 CoCoRaHS
Freeman 2.4 WSW 1.5 in 700AM 12/24 CoCoRaHS
Gosport 4.0 WSW 1.0 in 700AM 12/23 CoCoRaHS
...Parke County...
Rockville 3.6 ENE 0.3 in 700AM 12/24 CoCoRaHS
...Putnam County...
Greencastle 3.6 ESE 2.0 in 700AM 12/24 CoCoRaHS
Cloverdale 3.5 W 0.9 in 700AM 12/24 CoCoRaHS
...Randolph County...
Farmland 0.5 in 700AM 12/24 CoCoRaHS
...Rush County...
Modoc 3.0 in 700AM 12/23 CoCoRaHS
Rushville 0.7 ENE 2.0 in 700AM 12/23 CoCoRaHS
Homer 1.5 in 700AM 12/24 CoCoRaHS
Morristown 3.8 ENE 0.5 in 700AM 12/24 CoCoRaHS
...Shelby County...
Fairland 0.9 SSW 2.5 in 700AM 12/24 CoCoRaHS
Shelbyville 7.1 WSW 2.0 in 700AM 12/24 CoCoRaHS
Shelbyville 1.6 SSE 1.5 in 700AM 12/24 CoCoRaHS
...Sullivan County...
Hymera 2.0 in 700AM 12/24 CoCoRaHS
Graysville 5 WNW 1.2 in 700AM 12/24 COOP
...Tippecanoe County...
West Lafayette 3.3 WNW 2.0 in 700AM 12/24 CoCoRaHS
Battle Ground 4.9 WNW 1.0 in 700AM 12/24 CoCoRaHS
Lafayette 2.2 S 0.8 in 700AM 12/24 CoCoRaHS
Lafayette 2.2 NE 0.6 in 700AM 12/24 CoCoRaHS
...Tipton County...
Tipton 5 SW 2.0 in 700AM 12/24 COOP
...Vermillion County...
Perrysville 4 WNW 1.0 in 700AM 12/24 COOP
...Vigo County...
Shepardsville 3.8 SE 1.0 in 700AM 12/23 CoCoRaHS
Riley 0.3 NNW 0.5 in 700AM 12/23 CoCoRaHS
...Warren County...
Pence 1 SW 0.5 in 700AM 12/24 COOP
Observations are collected from a variety of sources with varying
equipment and exposures. We thank all volunteer weather observers
for their dedication. Not all data listed are considered official.
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Generally 1-3" of snowfall and strong winds combined to produce
blowing snow that reduced visibility across the region. Blizzard
conditions did not occur, although near-blizzard conditions were
observed at Kokomo through the late morning and noon hour on
12/23/2022.
MINIMUM OBSERVED VISIBILITY...
Central IN ASOS/AWOS VIS FIRST OB LAST OBS
A IND Indianapolis Intl AP 0.50 22/1139P 23/0154A
S LAF Lafayette Purdue Univ AP 0.50 22/ 500P 22/ 520P
O HUF Terre Haute Hulman Reg AP 0.25 22/ 455P 22/ 520P
S BMG Bloomington Monroe Co AP 0.25 23/ 500P 23/ 500P
MIE Muncie Delaware County AP 0.50 22/ 645P 23/ 140P
GEZ Shelbyville Municipal AP 0.75 23/1235A 23/ 133A
EYE Eagle Creek Airpark 0.50 22/ 455P 23/ 245A
--------------------------------------------------------
A AID Anderson Municipal AP 1.00 23/1035A 23/1135A
W BFR Bedford Municipal AP 1.25 22/ 715P 23/ 135P
O DCY Daviess County AP 1.00 22/1035P 22/1155P
S GPC Greencastle 0.75 22/ 535P 23/ 535P
OKK Kokomo Municipal AP 0.25 23/ 115A 23/ 856P
**Longest consecutive duration 23rd/~930A-1230P**
TYQ Zionsville 0.75 22/ 455P 23/1135A
UMP Fishers Indy Metro AP 1.00 23/ 955A 23/ 955A
HFY Greenwood Indy South AO 0.75 23/1235A 23/ 935A
MQJ Mt. Comfort Indy Reg AP 1.00 23/ 235A 23/ 235A
ALL TIMES LT (Eastern Standard)
Wind chills dropped to up to 40 below zero across much of central Indiana late Thursday night into Friday. This dangerous cold would then continue through Sunday with over 60 consecutive hours of subzero wind chills.
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DURATION OF MOST EXTREME WIND CHILLS (-30*F OR LOWER)
ARRANGED BY TOTAL...WHICH IS A COUNT OF HOURLY OBS AT/BELOW -30*F
LOWEST -30 DEGREES OR LOWER
COUNTY ASOS/AWOS STATION WIND C. FIRST LAST TOTAL
HOWARD OKK KOKOMO -40 23/1240 24/0245 17HR
BOONE TYQ ZIONSVILLE -40 23/0135 23/1815 16
HANCOCK MQJ MT. COMFORT -39 23/0115 23/1755 16
MARION IND INDIANAPOLIS -32 23/0120 23/1715 14
DELAWARE MIE MUNCIE -38 23/0315 23/1725 11
TIPPECANOE LAF LAFAYETTE -38 22/2354 23/1225 11
PUTNAM GPC GREENCASTLE -37 23/0155 23/1355 11
VIGO HUF TERRE HAUTE -33 23/0025 23/1036 9
SHELBY GEZ SHELBYVILLE -35 23/0250 23/1100 8
DAVIESS DCY WASHINGTON -33 23/0215 23/0900 7
MADISON AID ANDERSON -37 23/0245 23/1040 6
JOHNSON HFY GREENWOOD -36 23/0335 23/1140 6
MONROE BMG BLOOMINGTON -34 23/0200 23/1109 5
HAMILTON UMP FISHERS -34 23/0415 23/1115 4
LAWRENCE BFR BEDFORD-GRISSOM -31 23/0355 23/0935 2
MARION EYE EAGLE CREEK APK -32 23/0145 M M
LOWEST WIND CHILL REPORTS FOR EACH CENTRAL INDIANA COUNTY
COUNTY INDIANA LOCATION LOWEST WC DAY/TIME SOURCE
HAMILTON WESTFIELD 1 WSW -46 F 23/0510 AWS
CLINTON FRANKFORT -43 F 23/0600 MESONET
PUTNAM CLOVERDALE 0.8 N -43 F 23/0410 INDOT
BOONE WHITESTOWN 1.8 SE -41 F 23/0650 MESONET
MADISON I-69 AND SCATTERFIELD RD -41 F 23/0626 MESONET
RUSH MANILLA -41 F 23/0930 AWS
SHELBY SHELBYVILLE 1 SSW -41 F 23/0625 AWS
HENRY LEWISVILLE 3.3 N -40 F 23/0610 INDOT
HOWARD GALVESTON 2 SW -40 F 23/0605 AWS
JOHNSON TRAFALGAR -40 F 23/0444 AWS
MARION HOMECROFT 1 NE -40 F 23/0755 AWS
MONTGOMERY NEW MARKET 1 ESE -40 F 23/0644 AWS
RANDOLPH LYNN -40 F 23/0900 DAVIS
DECATUR GREENSBURG -39 F 23/0655 AWS
HANCOCK MT. COMFORT INDY REG AP -39 F 23/0615 AWOS
DELAWARE GASTON -38 F 23/0540 DAVIS
HENDRICKS BROWNSBURG N1 -38 F 23/0700 AGS
MONROE WHITEHALL 1.5 NE -38 F 23/0810 INDOT
PARKE BELLMORE -38 F 23/0718 CWOP
TIPPECANOE PURDUE UNIVERSITY AIRPORT -38 F 23/0454 ASOS
TIPTON KEMPTON -38 F 23/0850 DAVIS
VERMILLION FAIRVIEW PARK 3 NNE -37 F 23/0225 AWS
BARTHOLOMEW COLUMBUS -36 F 23/0830 MESONET
JACKSON CORTLAND 4.2 S -36 F 23/0740 INDOT
KNOX VINCENNES 4.5 SW -35 F 23/0700 INDOT
SULLIVAN SULLIVAN 1 WSW -35 F 23/0615 AWS
VIGO RILEY 3.2 NW -34 F 23/0400 INDOT
DAVIESS DAVIESS COUNTY AIRPORT -33 F 23/0735 AWOS
JENNINGS NORTH VERNON -33 F 23/0840 AWS
LAWRENCE VIRGIL I GRISSOM AIRPORT -31 F 23/0755 AWOS
MORGAN MOORESVILLE -30 F 23/0433 CWOP
BROWN SPEARSVILLE 3 SSE -28 F 23/0925 AWS
MARTIN LOOGOOTEE 0.7 S -28 F 23/0540 INDOT
-----------------------------------------------------------------
OWEN SPENCER -24 F 23/0445 CWOP
GREENE SHAWNEE HILLS FARM PERM -20 F 23/0330 MESONET
MINIMUM REPORTED WIND CHILLS, ARRANGED BY COUNTY
LOWEST
CENTRAL INDIANA LOCATION WC TEMP TIME/DATE SOURCE
...BARTHOLOMEW COUNTY...
COLUMBUS -36 F 0830AM 12/23 MESONET
COLUMBUS MUNICIPAL AIRPORT -36 F 0845AM 12/23 AWOS
...BOONE COUNTY...
WHITESTOWN 1.8 SE -41 F 0650AM 12/23 MESONET
INDIANAPOLIS EXECUTIVE AIRPORT -40 F 0455AM 12/23 AWOS
ZIONSVILLE -32 F 0310AM 12/23 MESONET
WHITESTOWN 4.5 S -32 F 0559AM 12/23 INDOT
ADVANCE -26 F 0505AM 12/23 DAVIS
LEBANON -20 F 0916AM 12/23 CWOP
...BROWN COUNTY...
SPEARSVILLE 3 SSE -28 F 0925AM 12/23 AWS
...CLINTON COUNTY...
FRANKFORT -43 F 0600AM 12/23 MESONET
CLARKS HILL 2 NE -42 F 0324AM 12/23 AWS
MICHIGANTOWN 2 S -40 F 0740AM 12/23 AWS
MICHIGANTOWN -37 F 0850AM 12/23 DAVIS
ROSSVILLE -34 F 0335AM 12/23 AWS
...DAVIESS COUNTY...
DAVIESS COUNTY AIRPORT -33 F 0735AM 12/23 AWOS
WASHINGTON E -31 F 0500AM 12/23 IGS
ODON -28 F 0555AM 12/23 DAVIS
WASHINGTON -26 F 0840AM 12/23 CWOP
...DECATUR COUNTY...
GREENSBURG -39 F 0655AM 12/23 AWS
GREENSBURG -37 F 0820AM 12/23 INDOT
LAKE SANTEE -25 F 1045AM 12/23 CWOP
...DELAWARE COUNTY...
GASTON -38 F 0540AM 12/23 DAVIS
MUNCIE -38 F 0724AM 12/23 ASOS
...GREENE COUNTY...
SHAWNEE HILLS FARM PERMACULT -20 F 0330AM 12/23 MESONET
...HAMILTON COUNTY...
WESTFIELD 1 WSW -46 F 0510AM 12/23 AWS
CARMEL 1 WSW -42 F 0844AM 12/23 AWS
NOBLESVILLE -39 F 0630AM 12/23 CWOP
FISHERS 3 ENE -39 F 0800AM 12/23 AWS
FISHERS -36 F 0527AM 12/23 CWOP
INDIANAPOLIS METRO AIRPORT -34 F 0715AM 12/23 AWOS
ATLANTA -33 F 0411AM 12/23 DAVIS
FORTVILLE 4 NW -32 F 0730AM 12/23 AWS
US-31 AND IN-38 -31 F 0600PM 12/23 MESONET
LAPEL 2 W -29 F 0600AM 12/23 AWS
US-31 AND IN-32 -23 F 0550PM 12/23 MESONET
...HANCOCK COUNTY...
MT. COMFORT INDIANAPOLIS REG AP -39 F 0615AM 12/23 AWOS
GREENFIELD -37 F 0955AM 12/23 DAVIS
FORTVILLE 2 S -33 F 0355PM 12/23 AWS
FORTVILLE -26 F 0930AM 12/23 CWOP
...HENDRICKS COUNTY...
BROWNSBURG N1 -38 F 0700AM 12/23 IGS
CLAYTON -34 F 0350AM 12/23 DAVIS
BROWNSBURG N2 -33 F 0900AM 12/23 IGS
BROWNSBURG -32 F 0759AM 12/23 CWOP
AVON -28 F 1035AM 12/23 CWOP
...HENRY COUNTY...
LEWISVILLE 3.3 N -40 F 0610AM 12/23 INDOT
NEW CASTLE -37 F 0715AM 12/23 CWOP
...HOWARD COUNTY...
GALVESTON 2 SW -40 F 0605AM 12/23 AWS
KOKOMO -40 F 0649AM 12/23 AWOS
DUNLAP FAMILY FARM -32 F 0700AM 12/23 MESONET
...JACKSON COUNTY...
CORTLAND 4.2 S -36 F 0740AM 12/23 INDOT
SEYMOUR -31 F 0547AM 12/23 CWOP
BROWNSTOWN -30 F 0410AM 12/23 DAVIS
FREETOWN -24 F 0758AM 12/23 CWOP
...JENNINGS COUNTY...
NORTH VERNON -33 F 0840AM 12/23 AWS
SOUTHEAST PURDUE AG CENTER -33 F 0900AM 12/23 MESONET
...JOHNSON COUNTY...
TRAFALGAR -40 F 0444AM 12/23 AWS
GREENWOOD INDY SOUTH AIRPORT -36 F 0455AM 12/23 AWOS
EDINBURGH 3.8 NW -33 F 0659AM 12/23 INDOT
FRANKLIN -33 F 0710AM 12/23 DAVIS
FRANKLIN 1 WSW -33 F 0934AM 12/23 AWS
...KNOX COUNTY...
VINCENNES 4.5 SW -35 F 0700AM 12/23 INDOT
OAKTOWN 1 NNE -33 F 0355AM 12/23 AWS
SOUTHWEST PURDUE AG CENTER -30 F 0600AM 12/23 MESONET
VINCENNES -28 F 0725AM 12/23 DAVIS
...LAWRENCE COUNTY...
VIRGIL I GRISSOM MUNICIPAL AIRPORT -31 F 0755AM 12/23 AWOS
BEDFORD -28 F 0800AM 12/23 CWOP
MITCHELL -28 F 0905AM 12/23 CWOP
...MADISON COUNTY...
I-69 AND SCATTERFIELD RD -41 F 0626AM 12/23 MESONET
ALEXANDRIA -40 F 0535AM 12/23 DAVIS
ANDERSON -37 F 0627AM 12/23 CWOP
ANDERSON MUNICIPAL AIRPORT -37 F 0635AM 12/23 AWOS
ELWOOD 2 ENE -35 F 0835AM 12/23 AWS
PENDLETON -33 F 0735AM 12/23 AWS
PENDLETON 1 SSE -32 F 0730AM 12/23 CWOP
LAPEL -28 F 0606AM 12/23 CWOP
...MARION COUNTY...
HOMECROFT 1 NE -40 F 0755AM 12/23 AWS
SPEEDWAY 1.4 NW -40 F 0759AM 12/23 INDOT
INDIANAPOLIS -39 F 0454AM 12/23 ASOS
NEW PALESTINE 5 WSW -39 F 0635AM 12/23 AWS
HOMECROFT 2.7 N -37 F 0830AM 12/23 MESONET
EAGLE CREEK RESERVOIR 3 NE -36 F 0349AM 12/23 AWS
MERIDIAN HILLS -36 F 0710AM 12/23 AWS
MONUMENT CIRCLE 1 W -35 F 0645AM 12/23 AWS
EAGLE CREEK AIRPARK -32 F 0244AM 12/23 ASOS
ACTON -31 F 0631AM 12/23 CWOP
CLERMONT -28 F 0445AM 12/23 CWOP
GEIST -22 F 0946AM 12/23 CWOP
...MARTIN COUNTY...
LOOGOOTEE 0.7 S -28 F 0540AM 12/23 INDOT
...MONROE COUNTY...
WHITEHALL 1.5 NE -38 F 0810AM 12/23 INDOT
MONROE COUNTY AIRPORT -34 F 0816AM 12/23 ASOS
ELLETSVILLE -33 F 0759AM 12/23 CWOP
WHITEHALL 1.5 NE -31 F 0139AM 12/23 INDOT
OOLITIC 9 NE -26 F 0509AM 12/23 RAWS
SMITHVILLE 3 NW -22 F 0650AM 12/23 AWS
...MONTGOMERY COUNTY...
NEW MARKET 1 ESE -40 F 0604AM 12/23 AWS
COLFAX -38 F 0525AM 12/23 DAVIS
...MORGAN COUNTY...
MOORESVILLE -30 F 0433AM 12/23 CWOP
MARTINSVILLE -29 F 0720AM 12/23 DAVIS
...OWEN COUNTY...
SPENCER -24 F 0445AM 12/23 CWOP
...PARKE COUNTY...
BELLMORE -38 F 0718AM 12/23 CWOP
NYESVILLE -35 F 0729AM 12/23 CWOP
ROCKVILLE -35 F 0930AM 12/23 DAVIS
JUDSON -32 F 0125PM 12/23 CWOP
...PUTNAM COUNTY...
CLOVERDALE 0.8 N -43 F 0410AM 12/23 INDOT
GREENCASTLE -37 F 0315AM 12/23 AWOS
...RANDOLPH COUNTY...
LYNN -40 F 0900AM 12/23 DAVIS
RIDGEVILLE -39 F 0920AM 12/23 DAVIS
DAVIS PURDUE AG CENTER -38 F 0800AM 12/23 MESONET
...RUSH COUNTY...
MANILLA -41 F 0930AM 12/23 AWS
LEWISVILLE -34 F 0725AM 12/23 DAVIS
RUSHVILLE -33 F 0615AM 12/23 CWOP
...SHELBY COUNTY...
SHELBYVILLE 1 SSW -41 F 0625AM 12/23 AWS
NEW PALESTINE -38 F 0845AM 12/23 CWOP
MARIETTA 2 E -35 F 0700AM 12/23 AWS
SHELBYVILLE -35 F 0828AM 12/23 ASOS
EDINBURGH -34 F 0810AM 12/23 CWOP
...SULLIVAN COUNTY...
SULLIVAN 1 WSW -35 F 0615AM 12/23 AWS
SULLIVAN 1.4 SW -30 F 1050AM 12/23 INDOT
SULLIVAN -29 F 0410AM 12/23 RAWS
...TIPPECANOE COUNTY...
PURDUE UNIVERSITY AIRPORT -38 F 0454AM 12/23 ASOS
AGRONOMY CENTER FOR RESEARCH -36 F 0530AM 12/23 MESONET
MARTELL FOREST -30 F 0630AM 12/23 MESONET
LAFAYETTE 3 NE -25 F 0449AM 12/23 CWOP
OTTERBEIN 4 ESE -23 F 0515AM 12/23 CWOP
MARTELL FOREST -21 F 1130PM 12/22 MESONET
...TIPTON COUNTY...
KEMPTON -38 F 0850AM 12/23 DAVIS
TIPTON -37 F 0620AM 12/23 CWOP
SHARPSVILLE -36 F 0835AM 12/23 DAVIS
...VERMILLION COUNTY...
FAIRVIEW PARK 3 NNE -37 F 0225AM 12/23 AWS
COVINGTON -34 F 0540AM 12/23 MESONET
CLINTON -30 F 1000AM 12/23 CWOP
...VIGO COUNTY...
RILEY 3.2 NW -34 F 0400AM 12/23 INDOT
TERRE HAUTE HULMAN REGIONAL AP -33 F 0353AM 12/23 ASOS
RILEY 3 WSW -21 F 0840AM 12/23 AWS
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...HIGHEST WIND GUSTS, EVENING 12/22/2022 - MIDDAY 12/23/2022... County Central IN ASOS/AWOS Speed Time/Date Source DELAWARE Delaware County Airport 56 MPH 1106AM 12/23 ASOS PUTNAM Cloverdale 0.8 N 53 MPH 0710AM 12/23 INDOT TIPPECANOE Purdue University AP 53 MPH 0447AM 12/23 ASOS CLINTON Frankfort 52 MPH 0139PM 12/23 Mesonet BOONE Whitestown 1.8 SE 51 MPH 0110PM 12/23 Mesonet MARION Indianapolis Intl AP 51 MPH 0253PM 12/23 ASOS HOWARD Kokomo Municipal Airport 48 MPH 0611AM 12/23 AWOS BOONE Indianapolis Executve AP 47 MPH 0355PM 12/23 AWOS HAMILTON US-31 and IN-38 47 MPH 0549PM 12/23 Mesonet HENRY Lewisville 3.3 N 47 MPH 0150PM 12/23 INDOT MARION Speedway 1.4 NW 47 MPH 0350PM 12/23 INDOT SHELBY New Palestine 47 MPH 0230PM 12/23 CWOP BARTHOLOMEW Columbus Municipal AP 46 MPH 1145AM 12/23 AWOS SHELBY Shelbyville Municipal AP 46 MPH 1101AM 12/23 ASOS VIGO Riley 3.2 NW 46 MPH 0100AM 12/23 INDOT HAMILTON Fishers 45 MPH 1038AM 12/23 CWOP JOHNSON Edinburgh 3.8 NW 45 MPH 0319AM 12/23 INDOT MADISON I-69 and Scatterfield Rd 45 MPH 0336AM 12/23 Mesonet RANDOLPH Davis Purdue AG Center 45 MPH 0130PM 12/23 Mesonet VIGO Terre Haute Hulman AP 45 MPH 1215PM 12/23 ASOS ------------------------------------------------------------------- DECATUR Greensburg 44 MPH 0230PM 12/23 INDOT HANCOCK Mt. Comfort Indy Reg AP 44 MPH 0315PM 12/23 AWOS JACKSON Cortland 4.2 S 44 MPH 0230AM 12/23 INDOT MARION I-65 and Georgetown Rd 44 MPH 1219PM 12/23 Mesonet HAMILTON Indianapolis Metro AP 43 MPH 0435PM 12/23 Mesonet MONROE Bloomington Monroe Co AP 43 MPH 1238AM 12/23 ASOS PARKE Judson 43 MPH 0125PM 12/23 CWOP TIPPECANOE Agronomy Research Center 43 MPH 1230PM 12/23 Mesonet JOHNSON Greenwood Indy South AP 41 MPH 1115AM 12/23 AWOS MADISON Anderson Municipal AP 41 MPH 0615AM 12/23 AWOS MARION Homecroft 2.7 N 41 MPH 1120AM 12/23 Mesonet MONROE Whitehall 1.5 NE 41 MPH 1229PM 12/23 INDOT SHELBY Edinburgh 41 MPH 0327PM 12/23 CWOP HAMILTON US-31 and IN-32 40 MPH 0619PM 12/22 Mesonet JENNINGS Southeast Purdue AG Cntr 40 MPH 0500AM 12/23 Mesonet KNOX Vincennes 4.5 SW 40 MPH 0630PM 12/22 INDOT PARKE Bellmore 40 MPH 0410PM 12/23 CWOP RANDOLPH Lynn 40 MPH 1215PM 12/23 Public VERMILLION Clinton 40 MPH 1000AM 12/23 CWOP DAVIESS Daviess County Airport 40 MPH 1035PM 12/22 AWOS Observations are collected from a variety of sources with varying equipment and exposures. We thank all volunteer weather observers for their dedication. Not all data listed are considered official. $$
Flash Freeze / Temperatures
A flash freeze occurred late in the evening of the 22nd into the overnight hours. The images below show the progression of the colder air and how brief the dendritic growth zone was over central Indiana.
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| Figure 1: Surface Temperature, Wind, and MSLP at 2 PM | Figure 2: Surface Temperature, Wind, and MSLP at 5 PM | Figure 3: Surface Temperature, Wind, and MSLP at 8 PM |
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| Figure 4: 3 Hour Temperature Change at 5 PM | Figure 5: 3 Hour Temperature Change at 8 PM | Figure 6: 3 Hour Temperature Change at 11 PM |
The table below shows the time that it took temperatures to fall:
RAPIDLY-FALLING TEMPERATURES ON LATE EVENING 12/22/2022...
LAG IN HOURS FROM TIME OF FRONTAL PASSAGE TO 32F...20F...5F...
ARRANGED CHRONOLOGICALLY
COUNTY ASOS/AWOS TEMP AT FROPA TO 32F TO 20F TO 5F
TIME
VIGO HUF TERRE HAUTE 37 22/1415 0.9 1.9 5.4
PUTNAM GPC GREENCASTLE 39 22/1435 1.7 2.6 5.7
TIPPECANOE LAF LAFAYETTE 36 22/1450 0.5 1.2 4.4
BOONE TYQ ZIONSVILLE 38 22/1455 2.0 2.8 5.8
DAVIESS DCY WASHINGTON 41 22/1455 1.3 2.7 6.3
MARION EYE EAGLE CREEK AP 39 22/1550 1.3 2.1 5.0
MONROE BMG BLOOMINGTON 41 22/1553 1.3 2.4 5.3
MARION IND INDIANAPOLIS 41 22/1555 1.3 2.1 5.1
HAMILTON UMP FISHERS 41 22/1615 1.3 2.0 5.7
HOWARD OKK KOKOMO 36 22/1621 0.7 1.7 5.2
JOHNSON HFY GREENWOOD 42 22/1635 1.4 2.3 5.7
​ LAWRENCE BFR BEDFORD 41 22/1635 1.3 2.6 6.0
HANCOCK MQJ MT. COMFORT 39 22/1655 1.0 1.9 5.0
SHELBY GEZ SHELBYVILLE 43 22/1735 0.8 1.8 5.7
DELAWARE MIE MUNCIE 43 22/1750 0.9 1.8 5.4
ALL TIMES LOCAL (EASTERN STANDARD)
*********************** LOWEST TEMPERATURES *********************
SUMMARY OF DAILY MAX/MIN TEMPS FOR ALL ASOS/AWOS/COOP SITES
12-22 / ...12-23... / 12-24
COUNTY ASOS..AWOS..COOP PM MN / AM MN PM MX / AM MN
A MARION IND Indianapolis Intl -1 / -9 1 / 0
S TIPPECANOE LAF Lafayette -4 / -9 0 / -1
O VIGO HUF Terre Haute -3 / -7 3 / 2
S MONROE BMG Bloomington -1 / -9 1 / 1
DELAWARE MIE Muncie 4 / -8 1 / 0
SHELBY GEZ Shelbyville 3 / -7 3 / 2
MARION EYE Eagle Creek Airpark 0 / M M / M
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A MADISON AID Anderson 1 / -10 M / -1
W LAWRENCE BFR Bedford-Grissom 1 -8 3 / 3
O DAVIESS DCY Washington 0 / -7 4 / 4
S PUTNAM GPC Greencastle -4 / -10 1 / -1
JOHNSON HFY Greenwood 2 / -8 2 / 1
HANCOCK MQJ Mt. Comfort 0 / -9 0 / -2
HOWARD OKK Kokomo 0 / -9 0 / -2
BOONE TYQ Zionsville -3 / -10 -1 / -2
HAMILTON UMP Fishers 1 / -8 2 / 1
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C BARTHOLOMEW Columbus M / -7 3 / M
O BOONE Jamestown 2 E M / -11 M / M
O CLINTON Frankfort Disposal M / -8 0 / M
P DAVIESS Elnora M / -8 M / M
DAVIESS Washington 1 W M / -6 M / M
HAMILTON Carmel 3 E M / -10 2 / M
HANCOCK Greenfield M / -10 0 / M
HENRY New Castle 3 SW M / -11 -1 / M
HOWARD Kokomo 3 WSW M / -11 -2 / M
HOWARD Young America M / -10 -1 / M
JENNINGS North Vernon 2 ESE M / -9 M / M
JOHNSON Franklin WWTP M / -10 M / 0
LAWRENCE Oolitic Purdue Ex Farm M / -9 M / M
MARION Castleton 2 S -2 / -11 -1 / -2
MARION NWS WFO Indianapolis -3 / -10 0 / 0
MARTIN Shoals 8 S M / -3 M / M
MONTGOMERY Crawfordsville 6 SE M / -11 -1 / M
MORGAN Martinsville 2 SW M / -9 2 / M
OWEN Spencer M / -8 2 / M
PARKE Rockville Fire M / -14 M / M
RUSH Rushville WWTP M / -9 M / M
SULLIVAN Farmersburg TV-2 -4 / -10 0 / -1
VERMILLION Perrysville 4 WNW M / -10 M / M
********************* HISTORICAL PERSPECTIVE *******************
By the numbers (since the early 1870s)...1983 and 1989 have had
the two most impressive late-December arctic outbreaks...with
both years exhibiting record cold within the December 21st-26th
period. Zooming out to the entire month, 1989 had the lowest
average minimum temperature of 151 Decembers at 9.4F...while 1983
had the second-lowest average maximum temp at 27.4F. December
1963 was also anomalously cold, yet not particularly so through
the late month. 2000 had the most recent very cold December
(averaging 3rd coldest at 19.7F overall).
INDIANAPOLIS' LOWEST DECEMBER DAILY MAX TEMPERATURES
1. -7 12/24/1983
2. -4 12/25/1983
3. -2 12/29/1880
4. -1 12/22/1989
T5. 1 12/23/2022** **A 30-year return!
T5. 1 12/18/1884
T5. 1 12/23/1989
T5. 1 12/28/1880
T9. 2 12/9/1876
T9. 2 12/15/1901
RECORD LOW MAXIMUM TEMPERATURE TIED AT INDIANAPOLIS IN...
A RECORD LOW MAXIMUM TEMPERATURE OF 1 WAS TIED AT INDIANAPOLIS
ON FRIDAY, DEC 23 2022. THIS TIED THE EXISTING RECORD SET IN
1983.
THIS WAS ONLY THE 8TH DECEMBER DAY IN THE 152-YEAR RECORD THAT
FAILED TO REACH AT LEAST 2 DEGREES. THERE HAD NOT BEEN A
LOWER MAXIMUM TEMPERATURE AT INDIANAPOLS SINCE -4 ON JAN 18 1994.
INDIANAPOLIS' LOWEST DECEMBER DAILY MINIMUM TEMPERATURES
1. -23 12/22/1989
2. -21 12/21/1989
3. -17 12/24/1983
T4. -15 12/9/1876
T4. -15 12/16/1951
T4. -15 12/23/1989
T4. -15 12/25/1983
8. -14 12/30/1983
T9. -13 12/28/1924
T9. -13 12/29/1880
T27. -9 12/23/2022* *A 6-year return
ADDIITONAL INDIANAPOLIS LOW .DECEMBER. TEMPERATURE FACTOIDS
A) THREE CONSECUTIVE DAYS DROPPING TO ZERO OR LOWER...
Has only occurred in 13 Decembers...**A 12-YEAR RETURN**...
and last occurred in 1989 on 10 consecutive mornings...
...Considering all months, this last occurred Jan 4-6, 2018
B) THE LAST TIME IT FELL TO -9 IN DECEMBER WAS 12/24/1989...
...Considering all months, this last occurred Jan 30, 2019
C) THE LAST DAY HELD TO 1 OR LOWER WAS 12/22/1989...
...Considering all months, this last occurred Feb 3, 1996!
...While max temps this low have only occurred in 21 years
Miscellaneous
Upper Air Flow and Surface Map
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| Figure 1: Water Vapor Satellite Image at about 7 AM on Dec 23. Arrow shows direction of the flow into the area. | Figure 2: Surface map at 1 PM December 23, showing the intense low pressure system. |
Nearby NWS Offices' Information on this storm:
| NWS Chicago, IL | NWS Northern Indiana |
| NWS Paducah, KY | NWS Wilmington, OH |
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