Mother's Day Severe Weather Review

 
Synopsis:

Warm and humid air combined with strong winds in the atmoshere to create favorable conditions for supercell thunderstorms Mother's Day afternoon. These storms were most numerous along a warm front found in Southeast Iowa and Central Illinois. Many of these supercell thunderstorms produced very large hail and damaging winds, with the strongest storms producing hail larger than golfballs. In addition, a few storms likely produced brief tornadoes.

 
Radar Loop
Click Image to Enlarge

 
Storm Reports
Click Image for Interactive Map

 

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
738 PM CDT SUN MAY 11 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 PM     HEAVY RAIN       W PLEASANT PLAIN        41.15N 91.86W
05/11/2014  M1.00 INCH       JEFFERSON          IA   TRAINED SPOTTER

            RAINFALL TOTAL.

0559 PM     HAIL             W CANTRIL               40.64N 92.07W
05/11/2014  M1.25 INCH       VAN BUREN          IA   TRAINED SPOTTER

            HALF DOLLAR SIZE HAIL.

0543 PM     TSTM WND GST     4 SSE OAKVILLE          41.05N 91.01W
05/11/2014  E60.00 MPH       DES MOINES         IA   TRAINED SPOTTER

0543 PM     HAIL             4 SSE OAKVILLE          41.05N 91.01W
05/11/2014  M0.88 INCH       DES MOINES         IA   TRAINED SPOTTER

0540 PM     HAIL             E MEDIAPOLIS            41.01N 91.16W
05/11/2014  E0.88 INCH       DES MOINES         IA   TRAINED SPOTTER

            NICKEL HAIL. TIME ESTIMATED. HEAVY RAIN. WINDS 30 TO 40
            MPH.

0535 PM     HAIL             PUTNAM                  41.18N 89.40W
05/11/2014  M0.88 INCH       PUTNAM             IL   TRAINED SPOTTER

0531 PM     HAIL             1 N MEDIAPOLIS          41.02N 91.16W
05/11/2014  M1.75 INCH       DES MOINES         IA   TRAINED SPOTTER

0510 PM     HAIL             3 ENE CHARLIE HEATH MEM 40.60N 91.84W
05/11/2014  M0.25 INCH       CLARK              MO   TRAINED SPOTTER

0456 PM     HAIL             3 W WEVER               40.72N 91.29W
05/11/2014  M0.50 INCH       LEE                IA   EMERGENCY MNGR

0452 PM     HAIL             3 S DENMARK             40.71N 91.33W
05/11/2014  E0.50 INCH       LEE                IA   TRAINED SPOTTER

0446 PM     HAIL             2 S LOCKRIDGE           40.97N 91.74W
05/11/2014  M0.88 INCH       JEFFERSON          IA   TRAINED SPOTTER

0445 PM     HAIL             1 S COLONA              41.47N 90.35W
05/11/2014  E1.00 INCH       HENRY              IL   TRAINED SPOTTER

0436 PM     HEAVY RAIN       FAIRFIELD               41.01N 91.97W
05/11/2014  M1.40 INCH       JEFFERSON          IA   TRAINED SPOTTER

            RAINFALL OF 1.40 INCHES IN THE PAST 30 MINUTES.

0429 PM     HAIL             MONMOUTH                40.91N 90.64W
05/11/2014  E1.00 INCH       WARREN             IL   TRAINED SPOTTER

            QUARTER SIZED HAIL.

0428 PM     HAIL             MONMOUTH                40.91N 90.64W
05/11/2014  E1.75 INCH       WARREN             IL   TRAINED SPOTTER

            REPORT OF GOLF BALL SIZE HAIL RELAYED BY THE NWS DES
            MOINES OFFICE.

0425 PM     HAIL             1 WSW DONNELLSON        40.64N 91.59W
05/11/2014  E0.88 INCH       LEE                IA   TRAINED SPOTTER

            PEA TO NICKEL HAIL. TIME ESTIMATED.

0425 PM     TORNADO          3 S DONNELLSON          40.60N 91.56W
05/11/2014                   LEE                IA   TRAINED SPOTTER

            TORNADO GOING UP AND DOWN.

0424 PM     TORNADO          3 SW DONNELLSON         40.61N 91.61W
05/11/2014                   LEE                IA   TRAINED SPOTTER

0421 PM     HAIL             7 W MONMOUTH            40.91N 90.78W
05/11/2014  M1.00 INCH       WARREN             IL   LAW ENFORCEMENT

0418 PM     HAIL             DONNELLSON              40.64N 91.56W
05/11/2014  M1.00 INCH       LEE                IA   TRAINED SPOTTER

            GROUND STARTING TO TURN WHITE FROM HAIL.

0412 PM     HAIL             1 NNE FAIRFIELD         41.01N 91.96W
05/11/2014  E0.25 INCH       JEFFERSON          IA   TRAINED SPOTTER

0410 PM     HAIL             FARMINGTON              40.64N 91.74W
05/11/2014  M1.75 INCH       VAN BUREN          IA   TRAINED SPOTTER

            GOLF BALL HAIL.

0410 PM     HAIL             1 W ARGYLE              40.53N 91.59W
05/11/2014  M1.00 INCH       LEE                IA   TRAINED SPOTTER

0406 PM     HAIL             NE FAIRFIELD            41.01N 91.96W
05/11/2014  M1.00 INCH       JEFFERSON          IA   TRAINED SPOTTER

0405 PM     HAIL             5 NW CROTON             40.63N 91.76W
05/11/2014  E1.25 INCH       VAN BUREN          IA   TRAINED SPOTTER

            PEA TO HALF DOLLAR SIZED HAIL.

0404 PM     HAIL             SSW FAIRFIELD           41.00N 91.97W
05/11/2014  M0.88 INCH       JEFFERSON          IA   TRAINED SPOTTER

            DIME TO NICKEL SIZE HAIL FALLING FOR THE PAST 10 MINUTES.


0404 PM     HAIL             FAIRFIELD               41.01N 91.97W
05/11/2014  E0.50 INCH       JEFFERSON          IA   LAW ENFORCEMENT

0400 PM     HAIL             2 W FAIRFIELD           41.00N 92.00W
05/11/2014  E1.00 INCH       JEFFERSON          IA   TRAINED SPOTTER

            ONE INCH DIAMETER HAIL.

0359 PM     HAIL             3 SW FAIRFIELD          40.98N 92.02W
05/11/2014  M1.00 INCH       JEFFERSON          IA   TRAINED SPOTTER

0359 PM     HAIL             2 S FAIRFIELD           40.98N 91.96W
05/11/2014  M1.00 INCH       JEFFERSON          IA   TRAINED SPOTTER

            NICKEL TO QUARTER SIZED HAIL FELL FOR 23 MINUTES FROM 359
            PM UNTIL 422 PM. NEAR HIGHWAY 34 AND HIGHWAY 1.

0350 PM     HAIL             2 NW NEW BEDFORD        41.53N 89.74W
05/11/2014  E1.00 INCH       BUREAU             IL   TRAINED SPOTTER

            PENNY TO QUARTER SIZE HAIL REPORTED.

0348 PM     HAIL             2 W FAIRFIELD           41.00N 92.00W
05/11/2014  M0.50 INCH       JEFFERSON          IA   TRAINED SPOTTER

0347 PM     HAIL             BRIGHTON                41.17N 91.82W
05/11/2014  M1.75 INCH       WASHINGTON         IA   CO-OP OBSERVER

            GOLF BALL HAIL FALLING FOR THE PAST 4 MINUTES AND STILL
            FALLING.

0344 PM     HAIL             ESE BATAVIA             40.99N 92.17W
05/11/2014  E1.00 INCH       JEFFERSON          IA   TRAINED SPOTTER

            NICKEL AND QUARTER SIZED HAIL.

0340 PM     HAIL             1 ENE NEW WINDSOR       41.20N 90.44W
05/11/2014  E0.50 INCH       HENRY              IL   TRAINED SPOTTER

            PEA SIZE HAIL FELL FOR ABOUT 30 SECONDS.

0327 PM     HAIL             1 NW FREEPORT           42.30N 89.65W
05/11/2014  E0.25 INCH       STEPHENSON         IL   TRAINED SPOTTER

            PEA HAIL.

0324 PM     HAIL             2 WNW FREEPORT          42.30N 89.67W
05/11/2014  E0.25 INCH       STEPHENSON         IL   TRAINED SPOTTER

            PEA HAIL.

0315 PM     TSTM WND GST     ARBELA                  40.46N 92.02W
05/11/2014  E70.00 MPH       SCOTLAND           MO   LAW ENFORCEMENT

            WIND GUSTS ESTIMATED TO BE 60 TO 70 MPH.

0302 PM     HAIL             1 ENE SHANNON           42.15N 89.72W
05/11/2014  E0.25 INCH       CARROLL            IL   TRAINED SPOTTER

            PEA HAIL.

0302 PM     HAIL             SSE SHANNON             42.15N 89.74W
05/11/2014  E0.75 INCH       CARROLL            IL   TRAINED SPOTTER

            DIME SIZED HAIL. NO WIND.

0300 PM     HAIL             W MEMPHIS               40.46N 92.17W
05/11/2014  E0.25 INCH       SCOTLAND           MO   TRAINED SPOTTER

            ALSO VERY HEAVY RAIN. LITTLE WIND.

0253 PM     HAIL             HEDRICK                 41.17N 92.31W
05/11/2014  M0.88 INCH       KEOKUK             IA   TRAINED SPOTTER

            PEA TO NICKEL SIZE HAIL FELL FOR 8 MINUTES ALONG WITH
            HEAVY RAIN.

0253 PM     HAIL             WNW HEDRICK             41.17N 92.31W
05/11/2014  E1.00 INCH       KEOKUK             IA   TRAINED SPOTTER

            FEW HAIL STONES WERE QUARTER SIZE TO SLIGHTLY LARGER.

0253 PM     HEAVY RAIN       WNW HEDRICK             41.17N 92.31W
05/11/2014  M2.25 INCH       KEOKUK             IA   TRAINED SPOTTER


&&

$$





Return to News Archive

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.