1:16-a.m. 1.5″ diameter hail ( quarter to ping-pong ball-sized) and heavy rain 11 miles N/NE of Corning in Adams County (reported by the public).
12:47-a.m. 1″ diameter (1/4-sized) hail reported N/NE of Massena in Cass County. (observed by a trained storm spotter)
UNION IA-TAYLOR IA-RINGGOLD IA-ADAMS IA- 145 AM CDT WED AUG 7 2013 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ADAMS... NORTHWESTERN RINGGOLD...NORTHEASTERN TAYLOR AND SOUTHWESTERN UNION COUNTIES UNTIL 200 AM CDT... AT 141 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES EAST OF LENOX...AND MOVING SOUTHEAST AT 30 MPH. HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO ROOFS...SIDING AND TREES. LOCATIONS IMPACTED INCLUDE... CLEARFIELD...ARISPE...SHANNON CITY AND DIAGONAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.
114 AM CDT WED AUG 7 2013
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR…
ADAMS COUNTY IN SOUTHWEST IOWA…
NORTHWESTERN RINGGOLD COUNTY IN SOUTH CENTRAL IOWA…
NORTHEASTERN TAYLOR COUNTY IN SOUTHWEST IOWA…
SOUTHWESTERN UNION COUNTY IN SOUTH CENTRAL IOWA…
* UNTIL 200 AM CDT
* AT 110 AM CDT…A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST
OF CORNING…AND MOVING SOUTHEAST AT 30 MPH.
HAZARD…PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE…RADAR INDICATED. ONE AND A HALF INCH HAIL WAS REPORTED
AT 110 AM 11 MILES NORTHEAST OF CORNING.
IMPACT…PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS…SIDING…WINDOWS AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS…SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE…
CRESTON…LENOX…PRESCOTT…CROMWELL…KENT…CRESTON AIRPORT…
CLEARFIELD…ARISPE…SHANNON CITY AND DIAGONAL.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
1243 AM CDT WED AUG 7 2013 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN ADAIR COUNTY IN SOUTHWEST IOWA... ADAMS COUNTY IN SOUTHWEST IOWA... SOUTHEASTERN CASS COUNTY IN SOUTHWEST IOWA... * UNTIL 115 AM CDT * AT 1242 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES NORTH OF CORNING...AND MOVING SOUTHEAST AT 25 MPH. HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS. SOURCE...RADAR INDICATED. IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO ROOFS...SIDING AND TREES. * LOCATIONS IMPACTED INCLUDE... CORNING...CARBON AND PRESCOTT. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.
THE SEVERE STORMS PREDICTION CENTER IN NORMAN, OK., AT 6:55-P.M, HAS ISSUED SEVERE THUNDERSTORM WATCH #476, WHICH IS IN EFFECT UNTIL MIDNIGHT.
COUNTIES INCLUDED IN THE WATCH: ADAIR ADAMS AUDUBON CASS DALLAS FREMONT GUTHRIE HARRISON MADISON MILLS MONTGOMERY PAGE POTTAWATTAMIE RINGGOLD SHELBY TAYLOR UNION IN THE KJAN LISTENING AREA.
PRIMARY THREATS INCLUDE…
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE. SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES SOUTH OF COLUMBUS NEBRASKA TO 35 MILES NORTH NORTHEAST OF BURLINGTON IOWA.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES.
(Source: NWS/Des Moines) Counties in IA: SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD
TODAY (TUESDAY): THUNDERSTORM CHANCES WILL INCREASE ACROSS THE AREA FROM WEST TO EAST BY MID TO LATE AFTERNOON INTO TONIGHT. THERE IS A SLIGHT RISK OF SEVERE STORMS…WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS. AN ISOLATED TORNADO WILL BE POSSIBLE NORTH OF HIGHWAY 30. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WITH THE STRONGEST STORMS.
ADDITIONAL THUNDERSTORMS ARE POSSIBLE THURSDAY AFTERNOON AND NIGHT SOUTH OF INTERSTATE 80. THE THREAT FOR SEVERE WEATHER IS LOW AT THIS TIME.
SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON INTO TONIGHT.
(Source: NWS/Valley, NE) IA Counties: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE.
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF EASTERN NEBRASKA
AND WESTERN IOWA….
THIS AFTERNOON AND TONIGHT: ALTHOUGH THERE IS A CHANCE OF THUNDERSTORMS ACROSS MUCH OF THE AREA THIS AFTERNOON…MORNING CONVECTION HAD PUSHED AN OUTFLOW BOUNDARY THROUGH SOUTHEAST NEBRASKA AND SOUTHWEST IOWA AND CREATED SOME STABILIZATION OF THE ATMOSPHERE. HOWEVER…HEATING THROUGH THIS AFTERNOON COMBINED WITH A COLD FRONT PUSHING INTO NORTHEAST NEBRASKA WILL LIKELY BRING NEW DEVELOPMENT…ESPECIALLY BY LATE AFTERNOON IN NORTHEAST NEBRASKA.
THESE THUNDERSTORMS COULD BECOME SEVERE WITH THE AMOUNT OF SHEAR EXPECTED AND FORECAST INSTABILITY…WITH LARGE HAIL AND DAMAGING WINDS POSSIBLE. A FEWOF THE STORMS COULD ALSO DROP HEAVY RAIN. THE ACTIVITY WOULD LIKELY BUILD AND DEVELOP SOUTHEAST ACROSS MUCH OF THE AREA THROUGH THIS EVENING.
STORM SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY…ESPECIALLY
FROM LATE THIS AFTERNOON INTO THIS EVENING.
The Severe Storms Prediction Center (SPC) in Norman, OK., has cancelled the Severe Thunderstorm Watch which had been in effect until Noon today for parts of Nebraska and Iowa.
SEVERE THUNDERSTORM WATCH 473 REMAINS VALID UNTIL NOON CDT TODAY
FOR THE FOLLOWING AREAS… IN IOWA THIS WATCH INCLUDES 6 COUNTIES:
FREMONT MILLS MONTGOMERY
PAGE POTTAWATTAMIE SHELBY
THIS INCLUDES THE CITIES OF…CLARINDA…COUNCIL BLUFFS…
FARRAGUT…GLENWOOD…HAMBURG…HARLAN…RED OAK…SHENANDOAH…
SIDNEY AND TABOR.
Harrison and Monona Counties are no longer included in the watch.
741 AM CDT TUE AUG 6 2013
THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR…
SOUTHWESTERN SHELBY COUNTY IN SOUTHWEST IOWA…
SOUTHEASTERN HARRISON COUNTY IN SOUTHWEST IOWA…
POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA…
* UNTIL 815 AM CDT
* AT 740 AM CDT…A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST OF MISSOURI VALLEY…OR 17 MILES NORTHEAST OF OMAHA…MOVING EAST AT 35 MPH.
HAZARD…60 MPH WIND GUSTS.
SOURCE…RADAR INDICATED.
IMPACT…EXPECT DAMAGE TO ROOFS…SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE…
MISSOURI VALLEY…OAKLAND…UNDERWOOD…SHELBY…MINDEN…PERSIA…
NEOLA…CRESCENT…HANCOCK…MCCLELLAND…TENNANT…ARROWHEAD
PARK…HISTORICAL VILLAGE WELCOME CENTER AND HITCHCOCK NATURE
CENTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.