April 27th Storm Summary and Tornado Survey Results

...NWS DAMAGE SURVEY FOR 04/27/14 TORNADO EVENT... .OVERVIEW...UPDATED TRACK INFORMATION FOR NEAR CONTINUOUS LONG TRACK TORNADO IN WAPELLO...KEOKUK...IOWA AND JOHNSON COUNTIES. .WAPELLO...KEOKUK...IOWA...AND JOHNSON COUNTY TORNADO... RATING: EF-1 ESTIMATED PEAK WIND: 110 MPH PATH LENGTH /STATUTE/: 46 MILES PATH WIDTH /MAXIMUM/: 1600 YARDS FATALITIES: 2 INJURIES: 0 START DATE: APRIL 27...2014 START TIME: 3:20 PM CDT START LOCATION: 3.45 MILES EAST OF HIGHLAND CENTER START LAT/LON: 41.1203 / -92.3064 END DATE: APRIL 27...2014 END TIME: 4:06 PM CDT END LOCATION: 4.2 MILES SOUTH OF OXFORD END LAT/LON: 41.6601 / -91.7825 SURVEY SUMMARY: NWS STORM SURVEY TEAMS FROM BOTH DAVENPORT AND DES MOINES DETERMINED THAT A TORNADO DEVELOPED IN FAR NORTHERN WAPELLO COUNTY...CROSSED KEOKUK COUNTY AND SOUTHEASTERN IOWA COUNTY...AND ENDED IN RURAL JOHNSON COUNTY. THIS LONG TRACK TORNADO STARTED EAST OF HIGHLAND CENTER AND TRAVELED AT ABOUT 60 MPH TO THE NORTHEAST. THE CIRCULATION WAS INITIALLY VERY BROAD AND BEGAN TO TIGHTEN AS IT PROGRESSED TO THE NORTHEAST. ALONG THE PATH...A NEAR CONTINUOUS DAMAGE PATH WAS FOUND WITH DAMAGE PRIMARILY TO OUTBUILDINGS...TREES...AND POWER POLES. IN MARTINSBURG...A MOBILE HOME WAS PUSHED OFF ITS BASE. TWO FATALITIES OCCURRED...ONE WEST OF MARTINSBURG AND ONE NORTH OF KINROSS. BOTH FATALITIES WERE ASSOCIATED WITH OUTBUILDINGS THAT WERE DESTROYED.

PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE QUAD CITIES IA IL 746 PM CDT SUN APR 27 2014 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0625 PM HEAVY RAIN 1 WSW SHERRARD 41.31N 90.53W 04/27/2014 M1.30 INCH MERCER IL TRAINED SPOTTER RAINFALL SO FAR WITH STORMS THAT JUST PASSED THROUGH THE AREA. 0620 PM HEAVY RAIN ESE LA HARPE 40.58N 90.96W 04/27/2014 M1.55 INCH HANCOCK IL TRAINED SPOTTER RAINFALL IN THE PAST 1 HOUR AND 15 MINUTES. 0608 PM HEAVY RAIN ALPHA 41.19N 90.38W 04/27/2014 M0.74 INCH HENRY IL TRAINED SPOTTER RAINFALL IN 30 MINUTES. 0607 PM HEAVY RAIN WNW PARNELL 41.58N 92.01W 04/27/2014 M1.10 INCH IOWA IA TRAINED SPOTTER RAINFALL SINCE 4 PM. 0605 PM HEAVY RAIN 1 W BETTENDORF 41.56N 90.49W 04/27/2014 M0.63 INCH SCOTT IA TRAINED SPOTTER 15 MINUTE RAINFALL. 0600 PM HEAVY RAIN 2 SSE DAVENPORT 41.53N 90.59W 04/27/2014 M0.74 INCH SCOTT IA TRAINED SPOTTER RAINFALL IN THE PAST 30 MINUTES. 0524 PM TSTM WND DMG BALDWIN 42.07N 90.84W 04/27/2014 JACKSON IA FIRE DEPT/RESCUE TREE DOWN IN BALDWIN. TIME ESTIMATED. 0500 PM HEAVY RAIN IOWA CITY MUNICIPAL AIR 41.63N 91.55W 04/27/2014 M1.19 INCH JOHNSON IA ASOS 1 HOUR RAINFALL. 0500 PM TSTM WND DMG ATKINS 42.00N 91.86W 04/27/2014 BENTON IA BROADCAST MEDIA SHINGLES OFF A HOUSE. POWER LINES DOWN BLOCKING HIGHWAY 30 BETWEEN 218 AND 21ST AVENUE. TRAFFIC BEING RE-ROUTED.REPORT RELAYED BY KWWL-TV. 0457 PM HEAVY RAIN 5 E CANTRIL 40.64N 91.98W 04/27/2014 M1.00 INCH VAN BUREN IA TRAINED SPOTTER RAINFALL SO FAR. 0457 PM TSTM WND DMG STRONGHURST 40.75N 90.90W 04/27/2014 HENDERSON IL FIRE DEPT/RESCUE A POWER POLE WAS SNAPPED OFF AND 2 SHEDS WERE FLIPPED OVER. 0455 PM HAIL ESE BOWEN 40.23N 91.06W 04/27/2014 M1.00 INCH HANCOCK IL TRAINED SPOTTER HAIL MEASURED SLIGHTLY LARGER THAN A QUARTER. 0443 PM TSTM WND GST WEVER 40.72N 91.23W 04/27/2014 E65.00 MPH LEE IA TRAINED SPOTTER WINDS ESTIMATED AT 55 TO 65 MPH. 0442 PM TORNADO SPRINGVILLE 42.06N 91.44W 04/27/2014 LINN IA LAW ENFORCEMENT TORNADO TOUCHDOWN JUST SOUTH OF SPRINGVILLE. 0441 PM TORNADO 2 NE MOUNT VERNON 41.94N 91.40W 04/27/2014 LINN IA EMERGENCY MNGR SPOTTERS REPORTED TORNADO ON GROUND NEAR LINN RIDGE ROAD AND HIGHWAY 1. IT WAS LIFTING BACK UP BY 442 PM. RELAYED BY EMERGENCY MANAGEMENT. 0435 PM HAIL 2 SW NEW LONDON 40.91N 91.43W 04/27/2014 M0.25 INCH HENRY IA TRAINED SPOTTER PEA SIZE HAIL PARTIALLY COVERING THE GROUND. HEAVY RAINFALL. 0434 PM HAIL IOWA CITY 41.66N 91.54W 04/27/2014 E0.25 INCH JOHNSON IA TRAINED SPOTTER SIX REPORTS OF PEA SIZED HAIL IN IOWA CITY OVER THE PAST 5 MINUTES. RELAYED BY SKYWARN SPOTTER. ALSO HEAVY RAIN OF 0.91 INCHES IN 40 MINUTES. 0433 PM TSTM WND GST IOWA CITY 41.66N 91.54W 04/27/2014 M65.00 MPH JOHNSON IA EMERGENCY MNGR 0433 PM HAIL IOWA CITY 41.66N 91.54W 04/27/2014 M0.75 INCH JOHNSON IA EMERGENCY MNGR PENNY SIZE HAIL. 0433 PM TSTM WND DMG IOWA CITY 41.66N 91.54W 04/27/2014 JOHNSON IA EMERGENCY MNGR POWER POLE BLOWN DOWN NEAR THE EMERGENCY DISPATCH CENTER. 0432 PM HEAVY RAIN IOWA CITY 41.66N 91.54W 04/27/2014 M0.91 INCH JOHNSON IA TRAINED SPOTTER 40 MINUTE RAINFALL. 0429 PM HAIL HILLS 41.57N 91.54W 04/27/2014 E0.75 INCH JOHNSON IA PUBLIC PENNY SIZED HAIL AND SMALLER. FORMER SPOTTER JH286. 0425 PM TSTM WND DMG BLAIRSTOWN 41.91N 92.08W 04/27/2014 BENTON IA EMERGENCY MNGR BUILDING BLOWN DOWN. POWER LINES DOWN. SEMI JACKNIFED ON HIGHWAY 30. 0422 PM TSTM WND DMG 2 NE FAIRFAX 41.94N 91.75W 04/27/2014 LINN IA TRAINED SPOTTER SEVERAL TREES SNAPPED OR UPROOTED. TEN INCH DIAMETER TREE SNAPPED. SEVERAL MEDIUM SIZE BRANCHES DOWN. WINDS ESTIMATED AT 60 MPH. 0420 PM TSTM WND DMG NORWAY 41.90N 91.92W 04/27/2014 BENTON IA TRAINED SPOTTER TWO BUILDINGS DAMAGED. WIND MEASURED AT 89 MPH FROM A DAVIS INSTRUMENT SYSTEM. 0417 PM TSTM WND GST DONNELLSON 40.64N 91.56W 04/27/2014 E50.00 MPH LEE IA TRAINED SPOTTER SMALL LIMBS DOWN. 0411 PM TSTM WND GST TIFFIN 41.71N 91.68W 04/27/2014 E65.00 MPH JOHNSON IA EMERGENCY MNGR ON INTERSTATE 80 WEST OF CORALVILLE NEAR TIFFIN. 0410 PM HAIL DONNELLSON 40.64N 91.56W 04/27/2014 M0.25 INCH LEE IA CO-OP OBSERVER PEA SIZE HAIL AND HEAVY RAIN. 0410 PM TSTM WND DMG VICTOR 41.73N 92.29W 04/27/2014 IOWA IA PUBLIC POWER LINES DOWN. PUBLIC REPORT RELAYED BY MEDIA. 0409 PM TSTM WND GST 4 N MARENGO 41.85N 92.07W 04/27/2014 E70.00 MPH IOWA IA TRAINED SPOTTER WIND GUSTS ESTIMATED TO BE 60 TO 70 MPH. SMALL BRANCHES COMING DOWN. 0405 PM HAIL MARENGO 41.80N 92.07W 04/27/2014 M0.25 INCH IOWA IA TRAINED SPOTTER PEA SIZE HAIL. 0400 PM TSTM WND DMG LADORA 41.76N 92.19W 04/27/2014 IOWA IA TRAINED SPOTTER SHINGLES BLOWN OFF HOUSES. SIDING BLOWN OFF A CHURCH AND SMALL LIMBS OF 2 TO 3 INCHES IN DIAMETER BLOWN DOWN. 0400 PM HAIL SSW RUTLEDGE 40.31N 92.09W 04/27/2014 E0.25 INCH SCOTLAND MO TRAINED SPOTTER PEA SIZE HAIL. 0400 PM TSTM WND GST LADORA 41.76N 92.19W 04/27/2014 M70.00 MPH IOWA IA TRAINED SPOTTER 0355 PM TSTM WND DMG WNW PARNELL 41.58N 92.01W 04/27/2014 IOWA IA TRAINED SPOTTER SMALL BRANCHES DOWN. GUTTER BLOWN OFF HOUSE. 0.70 INCH OF RAIN IN 15 MINUTES. 0354 PM HAIL W PLEASANT PLAIN 41.15N 91.86W 04/27/2014 E0.75 INCH JEFFERSON IA TRAINED SPOTTER MARBLE OR DIME SIZED HAIL. 0348 PM HAIL 2 S FAIRFIELD 40.98N 91.96W 04/27/2014 M0.25 INCH JEFFERSON IA TRAINED SPOTTER PEA SIZE HAIL. 0346 PM HAIL NORTH ENGLISH 41.52N 92.08W 04/27/2014 M0.25 INCH IOWA IA PUBLIC PEA SIZE HAIL. 0345 PM TSTM WND DMG 3 W SIGOURNEY 41.33N 92.26W 04/27/2014 KEOKUK IA EMERGENCY MNGR LARGE POWER POLES BLOWN DOWN ACROSS ROAD. 0330 PM TSTM WND DMG 1 W MARTINSBURG 41.18N 92.27W 04/27/2014 KEOKUK IA EMERGENCY MNGR *** 1 INJ *** BARN BLOWN DOWN. TIME ESTIMATED.