NWS STORM PREDICTION CENTER NORMAN OK 710 PM CDT THU MAY 3 2012

TORNADO WATCH 234 IS IN EFFECT UNTIL 100 AM CDT FOR THE FOLLOWING LOCATIONS:

IOWA COUNTIES INCLUDED ARE ADAIR ADAMS APPANOOSE CASS CLARKE DAVIS DECATUR DES MOINES HENRY JEFFERSON KEOKUK LEE LOUISA LUCAS MADISON MAHASKA MARION MONROE RINGGOLD TAYLOR UNION VAN BUREN WAPELLO WARREN WASHINGTON WAYNE.

http://www.crh.noaa.gov/dmx/

341 PM CDT THU MAY 3 2012

LATE THIS AFTERNOON...PARTLY SUNNY WITH ISOLATED THUNDERSTORMS. SOUTH WIND 5 TO 10 MPH. CHANCE OF THUNDERSTORMS 20 PERCENT.

TONIGHT…MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE EVENING…THEN ISOLATED THUNDERSTORMS OVERNIGHT. PATCHY FOG AFTER MIDNIGHT. LOW IN THE MID 60S. SOUTHEAST WIND NEAR 5 MPH. CHANCE OF THUNDERSTORMS 40 PERCENT.

FRIDAY…MOSTLY SUNNY. HIGH IN THE LOWER 80S. SOUTHEAST WIND 5 TO 15 MPH.

FRIDAY NIGHT…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. LOW IN THE MID 60S. SOUTHEAST WIND 5 TO 10 MPH.

SATURDAY…MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS. BREEZY. HIGH IN THE MID 80S. SOUTHEAST WIND 5 TO 15 MPH SHIFTING TO THE EAST 15 TO 20 MPH IN THE AFTERNOON.

SATURDAY NIGHT…MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT…THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. BREEZY. LOW IN THE UPPER 60S. SOUTHEAST WIND 15 TO 20 MPH SHIFTING TO THE SOUTH 5 TO 15 MPH AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS 50 PERCENT.

SUNDAY...THUNDERSTORMS LIKELY. BREEZY. HIGH IN THE UPPER 70S. CHANCE OF THUNDERSTORMS 60 PERCENT.

313 PM CDT THU MAY 3 2012

DAY ONE…THIS EVENING AND TONIGHT: THUNDERSTORMS ARE DEVELOPING AND WILL CONTINUE TONIGHT AS WELL. THE POTENTIAL FOR STRONG TO SEVERE THUNDERSTORMS WILL EXIST ALONG AN OUTFLOW BOUNDARY OVER NORTHERN IOWA AND ALSO OVER SOUTHEAST IOWA NEARER A STATIONARY BOUNDARY IN NORTHERN MISSOURI. INSTABILITY WILL ALSO INCREASE OVER WEST CENTRAL IOWA THIS EVENING WITH SOME SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE. LARGE HAIL AND DAMAGING THUNDERSTORM WINDS ARE THE MAIN THREATS THOUGH AN ISOLATED TORNADO IS POSSIBLE. LOCALLY HEAVY RAINS AND FLASH FLOODING ARE ALSO POSSIBLE IN SOME OF THE SLOWER MOVING STORMS AS MOISTURE LEVELS REMAIN HIGH ACROSS THE REGION.

DAYS TWO THROUGH SEVEN…FRIDAY THROUGH WEDNESDAY

OUR RECENT ACTIVE WEATHER PATTERN WILL CHANGE LITTLE THROUGH THE WEEKEND WITH OFF AND ON CHANCES FOR THUNDERSTORMS. A FEW OF THESE STORMS MAY STILL BE SEVERE WITH LARGE HAIL AND DAMAGING WINDS THE PRIMARY THREATS. LOCALLY HEAVY RAINS AND FLASH FLOODING REMAIN POSSIBLE AS WELL. THE BEST CHANCES FOR WIDESPREAD THUNDERSTORMS WILL BE SATURDAY NIGHT AND SUNDAY ACROSS THE REGION.

OTHER LESSER THUNDERSTORM CHANCES ARE IN THE FORECAST EARLY NEXT WEEK…BUT THE POTENTIAL FOR SEVERE WEATHER APPEARS LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT…

SPOTTER ACTIVATION MAY BE NEEDED FROM TIME TO TIME THROUGH THE WEEKEND BEGINNING THIS EVENING AND ENDING SUNDAY NIGHT.

Here’s the (podcast) forecast for the KJAN listening area, and the weather stats for Atlantic….

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The Severe Thunderstorm Watch that was issued at 12:50-a.m. for parts of southwest Iowa, has been cancelled for Cass and Adams Counties. The watch remains in effect until 5-a.m. for: FREMONT MILLS MONTGOMERY PAGE & POTTAWATTAMIE Counties.

237 AM CDT THU MAY 3 2012

…STRONG TO SEVERE THUNDERSTORMS MOVING INTO WEST CENTRAL IOWA THROUGH THE EARLY MORNING HOURS…

A LINE OF STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO MOVE EAST INTO PORTIONS OF SAC COUNTY SOUTHWARD THROUGH CRAWFORD COUNTY…AND INTO TAYLOR AND ADAMS COUNTIES THROUGH 4 AM CDT…AND THEN FURTHER EAST THROUGH AROUND 5 AM CDT. LARGE HAIL AND DAMAGING WINDS ARE LIKELY TO BE THE MAIN THREAT WITH LOCALLY HEAVY RAIN ALSO POSSIBLE. RAINFALL RATES IN EXCESS OF 1 TO 1.5 INCHES PER HOUR CAN BE EXPECTED. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 5 AM CDT for: ADAMS CASS FREMONT MILLS MONTGOMERY PAGE POTTAWATTAMIE & TAYLOR Counties.

The storms produced penny to nickel-sized hail at around 2:45-a.m. near Shenandoah, in Page County.

1259 AM CDT THU MAY 3 2012

SEVERE THUNDERSTORM WATCH 228 IN EFFECT UNTIL 5 AM CDT EARLY THIS MORNING for:

ADAMS CASS FREMONT MILLS MONTGOMERY PAGE POTTAWATTAMIE & TAYLOR Counties…..

REST OF TONIGHT…THUNDERSTORMS LIKELY. LOW IN THE MID 60S. SOUTH WIND 5 TO 10 MPH. CHANCE OF THUNDERSTORMS 60 PERCENT.

THURSDAY…MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. A CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. HIGH IN THE LOWER 80S. SOUTHWEST WIND 5 TO 10 MPH. CHANCE OF THUNDERSTORMS 40 PERCENT.

THURSDAY NIGHT…MOSTLY CLOUDY UNTIL EARLY MORNING THEN BECOMING PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS THROUGH MIDNIGHT…THEN A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOW IN THE LOWER 60S. SOUTHWEST WIND NEAR 5 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT. CHANCE OF THUNDERSTORMS 50 PERCENT.

FRIDAY…MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE MID 80S. SOUTHEAST WIND 5 TO 10 MPH.

FRIDAY NIGHT…PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS. LOW IN THE MID 60S. SOUTH WIND 5 TO 10 MPH.

SATURDAY…PARTLY SUNNY. HIGH IN THE MID 80S.

SATURDAY NIGHT AND SUNDAY…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. LOW IN THE MID 60S. HIGH IN THE UPPER 70S.

NWS STORM PREDICTION CENTER NORMAN OK 1250 AM CDT THU MAY 3 2012

SEVERE THUNDERSTORM WATCH 228 IS IN EFFECT UNTIL 500 AM CDT FOR THE FOLLOWING LOCATIONS:

IOWA COUNTIES INCLUDED ARE…. ADAMS CASS FREMONT MILLS MONTGOMERY PAGE POTTAWATTAMIE & TAYLOR.

1127 AM CDT WED MAY 2 2012 
DAY ONE…THIS AFTERNOON AND TONIGHT:
 
 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS ALL OF CENTRAL IOWA WITH A MODERATE RISK IN A SMALL AREA OF WEST CENTRAL IOWA. TIMING WILL BE FROM LATE THIS AFTERNOON INTO TONIGHT WITH  DAMAGING WINDS…LARGE HAIL AND ISOLATED TORNADOES ALL POSSIBLE. HEAVY RAINS AND LOCALIZED FLASH FLOODING MAY OCCUR AS WELL.

DAYS TWO THROUGH SEVEN…THURSDAY THROUGH TUESDAY:

CHANCES FOR THUNDERSTORMS WILL CONTINUE OFF AND ON RIGHT THROUGH  EARLY NEXT WEEK. THE BEST POTENTIAL FOR SEVERE WEATHER IN THIS PERIOD APPEARS TO BE LATE THURSDAY AFTERNOON AND THURSDAY EVENING FROM CENTRAL INTO SOUTHERN IOWA WHERE A SLIGHT RISK OF SEVERE WEATHER CONTINUES. DAMAGING  WINDS…LARGE HAIL…LOCALLY HEAVY RAINS AND ISOLATED TORNADOES ALL REMAIN POSSIBLE. DETAILS REGARDING THE SEVERE WEATHER POTENTIAL IN THE LATER PERIODS WILL BE BETTER DEFINED IN THE COMING DAYS.

SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD-MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE COUNTIES

604 AM CDT WED MAY 2 2012

FAR WEST/SOUTHWEST IOWA: STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE FROM LATE THIS AFTERNOON INTO THE OVERNIGHT HOURS. STORMS ARE LIKELY TO DEVELOP LATE THIS AFTERNOON FROM CENTRAL TO NORTHEAST NEBRASKA…THEN SPREAD SOUTHEASTWARD THROUGH THE EVENING AND OVERNIGHT HOURS INTO EASTERN NEBRASKA AND WESTERN IOWA. THE MAIN THREAT AREA FOR SEVERE WEATHER ON WEDNESDAY WILL BE ALONG AND NORTH OF INTERSTATE 80. LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN THREAT…AND LOCALLY HEAVY RAINFALL ALSO IS POSSIBLE.

WEST CENTRAL/CENTRAL IOWA: LATE THIS AFTERNOON AND TONIGHT THE POTENTIAL FOR THUNDERSTORMS WILL INCREASE WITH A MODERATE RISK OF SEVERE WEATHER FROM CENTRAL INTO WEST CENTRAL IOWA AND A SLIGHT RISK ELSEWHERE. DAMAGING WINDS…LARGE HAIL AND ISOLATED TORNADOES ARE ALL POSSIBLE. HEAVY RAINS AND LOCALIZED FLASH FLOODING MAY OCCUR AS WELL.

CHANCES FOR THUNDERSTORMS WILL CONTINUE OFF AND ON RIGHT THROUGH EARLY NEXT WEEK.  SPOTTER ACTIVATION MAY BE NEEDED LATER TODAY AND TONIGHT.