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Powerful Storm in the Western U.S.; Heavy Rain and Flooding Threat Across the Central Gulf Coast

A powerful storm system will continue to bring heavy mountain snow, rain, and high winds to the Pacific Northwest and northern California through midweek. Heavy rain and flash flooding potential exists across the central Gulf Coast over the next few days, including the Florida Panhandle. A Slight Risk (level 2 of 4) of excessive rainfall is in effect Tuesday. Read More >

Snow of Dec 26th 2012

Here is a map of the Co-Operative Observation Location Snowfall Totals for Dec 26th at 7 a.m. (EST) through Dec 27th at 7 a.m. 

The snow fell heavily during the afternoon and evening on the 26th, but turned to sleet then freezing rain and rain over Southeastern PA.  This was the first widespread snowfall of more than 3 inches for the state this Winter season.

Snow on the 26th (24 hrs ending 7 am on the 27th)


 

Theis next map is a summary of reports from storm spotters and the general public:


 

The Co-Op reports are summarized below:

PRECIPITATION AND TEMPERATURE SUMMARY FOR CENTRAL PA
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
1118 AM EST THU DEC 27 2012

TEMPERATURE AND PRECIPITATION FOR THE PAST 24 HOURS

                                   TEMPERATURE             SNOW
STATION             PRECIP     MAX     MIN     OBSN     NEW    TOTAL
    ADAMS COUNTY
BIGLERVILLE            M        M       M        M       M        M
CASHTOWN 1S         1.16       34      25       32     3.8        2
FOUNTAINDALE        1.29       36      27       33       M        M

    BEDFORD COUNTY
EVERETT             1.10       32      25       31     8.0        8
SAXTON              1.17        M       M        M     8.0        8
WOLFSBURG           1.05       30      24       30     7.9        8

    BLAIR COUNTY
ALTOONA             0.80       27      23       27     6.5        7
ALTOONA AIRPORT     0.77       29      24       29       M        M
TYRONE              0.95        M       M        M     7.0        7
WILLIAMSBURG        0.93        M       M        M     5.8        6

    CAMBRIA COUNTY
EBENSBURG              M        M       M        M       M        M
JOHNSTOWN AIRPORT   0.35       27      20       24       M        M
PRINCE GALLITZIN SP 0.64       30      23       24     6.5        7

    CAMERON COUNTY
STEVENSON DAM       0.85       28      24       25     9.0        9

    CENTRE COUNTY
CLARENCE               M        M       M        M       M        M
PHILIPSBURG 2S      0.83       25      21       25     6.3       10
STATE COLLEGE       0.99       28      24       28     8.5        8

    CLEARFIELD COUNTY
CLEARFIELD          0.47       27      22       25       M        M
GRAMPIAN               M        M       M        M       M        M
TREASURE LAKE       0.99        M       M        M     8.5        9

    CLINTON COUNTY
LOCK HAVEN             M        M       M        M       M        M
RENOVO              0.88       29      25       27     7.0        7

    COLUMBIA COUNTY
BEAR GAP               M        M       M        M       M        M
BENTON              0.97       33      19       27     5.7        6

    CUMBERLAND COUNTY
CARLISLE            1.30       35      26       33     2.0        2
PINE GROVE FURNACE     M        M       M        M       M        M

    DAUPHIN COUNTY
DEHART DAM          0.70       36      26       31     2.5        2
HARRISBURG          0.72       36      27       33     2.2        1
HARRISBURG 1 NE     0.80       35      25       31     2.3        1
HERSHEY             0.66        M       M        M     2.4        2

    ELK COUNTY
GLEN HAZEL             M        M       M        M       M        M
RIDGWAY             0.98       28      23       24    10.0       10

    FRANKLIN COUNTY
CHAMBERSBURG 1ESE      M       39       M        M       M        M
SOUTH MOUNTAIN      1.51       32      23       27     6.0        3
UP. STRASBURG          M        M       M        M       M        M

    HARFORD COUNTY MD
CONOWINGO DAM MD    0.85        M       M        M     0.3        0

CONOWINGO DAM MD    0.85        M       M        M     0.3        0
RAYSTOWN LAKE          M        M       M        M       M        M

    LANCASTER COUNTY
HOLTWOOD            1.40        M       M        M     1.0        0
LANCASTER           0.53       38      28       33     1.2        0
LANCASTER AIRPORT   0.64       38      28       33       M        M
MILLERSVILLE        0.71       37      29       32     1.8        1
OCTORARO LAKE          M        M       M        M       M        M
SAFE HARBOR         0.85       43      29       35     1.8        0

    LEBANON COUNTY
FT INDIANTOWN GAP   0.45       37      27       32       M        M
LEBANON                M       34       M        M       M        M

    LYCOMING COUNTY
WILLIAMSPORT        1.20       31      24       28     7.8        8

    MCKEAN COUNTY
BRADFORD            0.74       26      20       23     9.0       12
BRADFORD AIRPORT    0.35       30      24       26       M        M
KANE                0.79       27      22       22    10.5       14

    MIFFLIN COUNTY
LEWISTOWN           1.00       32      25       31     5.5        5

    NORTHUMBERLAND COUNTY
SUNBURY                M        M       M        M       M        M

    POTTER COUNTY
COUDERSPORT 7SE     1.11       24      20       22    15.0       19
COUDERSPORT 1SW     0.87       31      21       24     9.0       10
GALETON             0.90        M       M        M     9.8       11
OSWAYO              0.90       30      20       23     8.0       10

    SCHUYLKILL COUNTY
MAHANOY CITY        0.54       33      20       26     3.1        4
PINE GROVE          0.50        M       M       30     1.2        1

    SNYDER COUNTY
SELINSGROVE         0.64       33      24       30     2.0        2

    SOMERSET COUNTY
GLENCOE                M        M       M        M       M        M
LAUREL SUMMIT       0.46       24      18       21     9.0        6
MEYERSDALE          0.88       28      22       26     8.0        8
SOMERSET            0.75        M       M        M     7.9       10

    SULLIVAN COUNTY
DUSHORE             0.74       30      18       25       M        M
LAPORTE             0.88       27      15       22     8.0        9

    TIOGA COUNTY
COVINGTON           0.90        M       M        M     9.0       11
COWANESQUE DAM      0.81       26      21       24     8.0        8
SABINSVILLE         1.20        M       M        M    10.0       13
TIOGA               0.98       25      20       23     7.0        7
WELLSBORO           1.14       23      17       22     9.2       11

    UNION COUNTY
LEWISBURG           1.02       33      23       29     4.5        5
MIFFLINBURG         0.93        M       M        M     4.9        5

    WARREN COUNTY
CHANDLERS VALLEY    0.72       26      20       23     7.0       11
WARREN              0.61       33      22       25     5.0        6

    YORK COUNTY
HANOVER             1.18       36      27       33     3.2        2
THOMASVILLE         0.74       38      28       33       M        M
YORK HAVEN          0.52        M       M        M     2.0        T

 

The spotter and public reports are summarized below:

PUBLIC INFORMATION STATEMENT
SPOTTER REPORTS
NATIONAL WEATHER SERVICE STATE COLLEGE PA
845 AM EST THU DEC 27 2012

**********************24 HOUR SNOWFALL**********************

LOCATION              24 HOUR     TIME/DATE   COMMENTS
                     SNOWFALL           OF
                     /INCHES/   MEASUREMENT

PENNSYLVANIA

...ADAMS COUNTY...
   2 NNW FAIRFIELD        5.0   600 AM 12/27  COCORAHS
   CASHTOWN 1S            3.8   800 AM 12/27  COOP
   3 NNW GETTYSBURG       3.5   730 AM 12/27  COCORAHS
   1 SE YORK SPRINGS      3.0   700 AM 12/27  COCORAHS
   1 NNW LITTLESTOWN      3.0   700 AM 12/27  COCORAHS
   2 N ABBOTTSTOWN        2.8   700 AM 12/27  COCORAHS
   1 SSE ABBOTTSTOWN      1.0   707 AM 12/27  COCORAHS

...BEDFORD COUNTY...
   4 W EVERETT            8.5   700 AM 12/27  COCORAHS
   WOLFSBURG              7.9   800 AM 12/27  COOP

...BLAIR COUNTY...
   TYRONE                 7.0   800 AM 12/27  COOP
   WILLIAMSBURG           5.8   800 AM 12/27  COOP

...CAMBRIA COUNTY...
   1 W WESTMONT           7.8   700 AM 12/27  COCORAHS

...CAMERON COUNTY...
   STEVENSON DAM          9.0   800 AM 12/27  COOP

...CENTRE COUNTY...
   1 NNW BOALSBURG        7.2   700 AM 12/27  COCORAHS
   PHILIPSBURG 2 S        6.3   800 AM 12/27  COOP

...CLINTON COUNTY...
   RENOVO                 7.0   800 AM 12/27  COOP

...CUMBERLAND COUNTY...
   1 NNW MECHANICSBURG    2.2   700 AM 12/27  COCORAHS
   CARLISLE WATER PLANT   2.0   800 AM 12/27  COOP

...NORTHUMBERLAND COUNTY...
   1 WNW MOUNT CARMEL     0.2   700 AM 12/27  COCORAHS

...POTTER COUNTY...
   COUDERSPORT           15.0   800 AM 12/27  COOP

...SCHUYLKILL COUNTY...
   MAHANOY CITY           3.1   800 AM 12/27  COOP

...SNYDER COUNTY...
   SELINSGROVE            2.0   800 AM 12/27  COOP

...SOMERSET COUNTY...
   LAUREL SUMMIT          9.0   800 AM 12/27  COOP
   MEYERSDALE             8.0   800 AM 12/27  COOP

...SULLIVAN COUNTY...
   LAPORTE                8.0   800 AM 12/27  COOP

...TIOGA COUNTY...
   SABINSVILLE           10.0   800 AM 12/27  COOP
   COVINGTON              9.0   800 AM 12/27  COOP
   COWANESQUE DAM         8.0   800 AM 12/27  COOP
   TIOGA (DOWNSTREAM)     7.0   800 AM 12/27  COOP

...UNION COUNTY...
   1 WNW MIFFLINBURG      4.9   700 AM 12/27  COCORAHS
   MIFFLINBURG            4.9   800 AM 12/27  COOP

...WARREN COUNTY...
   CHANDLERS VALLEY       7.0   800 AM 12/27  COOP
   WARREN                 5.0   800 AM 12/27  COOP

$$