Hazardous Weather Outlook for western & central Iowa

Weather

May 3rd, 2012 by Ric Hanson

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.