HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1142 AM CDT TUE APR 26 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA...AND NORTHWEST MISSISSIPPI. .DAY ONE...LATE THIS AFTERNOON THROUGH WEDNESDAY AN OUTBREAK OF SEVERE THUNDERSTORMS IS EXPECTED BEGINNING LATE THIS AFTERNOON...AND CONTINUING INTO WEDNESDAY MORNING. TORNADOES... POSSIBLY STRONG AND LONG TRACKED...VERY LARGE HAIL TO THE SIZE OF BASEBALLS...AND DAMAGING WIND GUSTS TO 80 MPH WILL BE POSSIBLE WITH THE MOST INTENSE STORMS. AN UNSUALLY STRONG LOW PRESSURE SYSTEM FOR LATE SPRING IS FORECAST TO DEVELOP ACROSS THE SOUTHERN PLAINS THIS AFTERNOON...AND MOVE NORTHEAST THROUGH MID SOUTH THROUGH WEDNESDAY. THIS WILL RESULT IN SEVERAL ROUNDS OF STRONG TO SEVERE STORMS BEGINNING LATE THIS AFTERNOON AND CONTINUING INTO WEDNESDAY MORNING. THE ATMOSPHERE IS FORECAST TO BE VERY SUPPORTIVE FOR SEVERE STORMS CAPABLE OF PRODUCING SIGNIFICANT SEVERE WEATHER. IN ADDITION TO THE SEVERE WEATHER THREAT...THE POTENTIAL FOR SEVERAL ROUNDS OF STORMS PRODUCING VERY HEAVY RAINFALL WILL RESULT IN A RISK FOR FLASH FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY NIGHT THROUGH MONDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS...WILL BE NEEDED TONIGHT INTO WEDNESDAY MORNING.
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AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE JACKSON MS 1115 AM CDT TUE APR 26 2011 ...SIGNIFICANT SEVERE WEATHER EVENT PROBABLE FROM LATE THIS AFTERNOON INTO WEDNESDAY... .UPDATE...AFTER AN ACTIVE WEATHER MORNING...MORE STORMS EXPECTED LATER TODAY AND ESPECIALLY OVERNIGHT AND ON WED. TO START OFF...THE FORECAST HAS BEEN ADJUSTED TO REMOVE PRECIP CHANCES UNTIL LATER THIS AFTERNOON WITH THE PRECIPITATION FOCUS MORE ACROSS THE NW AND W. TEMPS WERE ALSO ADJUSTED WARMER TO CATCH THE WARM UP THIS AFTERNOON AS SKIES WILL BE MOSTLY SUNNY FOR A PERIOD BEFORE CLOUDS REDEVELOP. BASICALLY...MOST OF THE AREA WILL BE PRECIPITATION FREE THROUGH 5-6 PM WITH ONLY THE FAR NW AREAS HAVING AN INCREASE IN PRECIPITATION POTENTIAL MAINLY AFTER 4 PM. AS FOR WHAT IS EXPECTED LATER THIS EVENING...OVERNIGHT AND ON WED. A VERY COMPLEX AND POWERFUL SYSTEM WILL IMPACT THE REGION. THE SEVERITY OF THE EVENT HIGHLY DEPENDS ON STORM MODE (SUPERCELL VS LINEAR) AND THE EVOLUTION OF STORM COMPLEXES. HOWEVER...BASED OFF THE FORECAST ENVIRONMENT...SIGNIFICANT SEVERE WEATHER WILL BE POSSIBLE WITH ANY STORMS. ANY DISCRETE SUPERCELL WILL BE CAPABLE OF PRODUCING STRONG TORNADOES...SOME POSSIBLY LONG LIVED. LARGE HAIL AND DAMAGING WINDS WILL BE POSSIBLE AS WELL. IF THE MODE IS MORE LINEAR...THEN DAMAGING WINDS WILL BE THE PRIMARY RISK WITH THE POTENTIAL FOR 60-80 MPH WINDS. HAIL AND TORNADOES WILL BE POSSIBLE AS WELL. THE TIMING OF THIS IS EXTREMELY TOUGH TO PINPOINT...BUT INDICATIONS ARE THAT A PROLONGED PERIOD OF TIME WILL EXIST WHERE THIS SEVERE POTENTIAL WILL BE POSSIBLE. IT WILL GENERALLY START FROM LATE THIS AFTERNOON THROUGH WED AFTERNOON. MULTIPLE ROUNDS OF STORMS WILL LIKELY IMPACT THE SAME AREAS AS WELL. AS FOR LOCATION...DATA SUGGESTS THE NORTHERN HALF OF THE AREA IS AT THE GREATEST RISK...BUT SOME ISOLATED SEVERE STORMS COULD ALSO OCCUR OVER THE SOUTH PORTIONS IF STORM EVOLUTION SHIFTS SOUTHWARD. MORE DETAILS WILL BE OFFERED THIS AFTERNOON CONCERNING THIS SIGNIFICANT SEVERE WEATHER EVENT.
UPDATED STORM PREDICTION CENTER GRAPHICS - Areas of Northwest Mississippi have now been added to the "High" risk area for severe thunderstorms today and tonight.
Severe Thunderstorm Potential valid until 7:00 AM 4/27/2011
***DO NOT USE THIS WEBSITE AS YOUR SOLE SOURCE OF WEATHER INFORMATION, ESPECIALLY WATCHES AND WARNINGS. THIS WEBSITE DELIVERS FOCUSED INFORMATION FOR A SPECIFIC GEOGRAPHIC AREA AND IS NOT INTENDED TO PROVIDE TIMELY WEATHER WARNING INFORMATION***
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