Berryville Weather - Special Cases
|
|
|
HAZARDOUS WEATHER OUTLOOK Date Issued: 103 PM CDT THU JUL 24 2008 Expiration: 500 AM CDT FRI JUL 25 2008 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...THIS AFTERNOON AND TONIGHT. THUNDERSTORMS WITH DANGEROUS LIGHTNING. RISK...LIMITED. AREA...CARROLL COUNTY ARKANSAS. ONSET...AFTER 10 PM. DANGEROUS HEAT. RISK...LIMITED. AREA...EASTERN OKLAHOMA AND WEST-CENTRAL ARKANSAS. ONSET...ONGOING. DISCUSSION... HIGH PRESSURE ALOFT WILL EXPAND EAST OVER THE REGION DURING THE NEXT 24 HOURS. THIS WILL STABILIZE THE ATMOSPHERE SOME. AN ISOLATED SHOWER COULD DEVELOP IN THE HOT AND HUMID AIR...BUT THE DECREASE IN INSTABILITY IS EXPECTED TO PREVENT THUNDERSTORM DEVELOPMENT TODAY. A THUNDERSTORM COMPLEX IS FORECAST TO MOVE ACROSS MISSOURI TONIGHT AND THERE IS A SLIGHT CHANCE THAT IT COULD BRUSH CARROLL COUNTY LATE THIS EVENING OR OVER NIGHT. HEAT INDEX VALUES THIS AFTERNOON ARE EXPECTED TO TOP OUT BETWEEN 97 AND 102 ACROSS EASTERN OKLAHOMA AND WEST-CENTRAL ARKANSAS. THESE READINGS ARE JUST BELOW ADVISORY CRITERIA...BUT CARE SHOULD STILL BE TAKEN BY ANYONE THAT IS ACTIVE OUTDOORS DURING THE HEAT OF THE DAY. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION NOT EXPECTED. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. FRIDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL. SATURDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL. SUNDAY...DANGEROUS HEAT POTENTIAL. MONDAY...DANGEROUS HEAT POTENTIAL. TUESDAY...DANGEROUS HEAT POTENTIAL. WEDNESDAY...THUNDERSTORM POTENTIAL. EXTENDED DISCUSSION... SOME INCREASE IN LOW-LEVEL MOISTURE IS EXPECTED ON FRIDAY AND SATURDAY AND THIS COULD LEAD TO A FEW THUNDERSTORMS DEVELOPING IN THE AFTERNOON AND EVENING ON THESE DAYS. IN ADDITION... A STORM COMPLEX FROM THE NORTHWEST COULD AFFECT PARTS OF THE AREA LATE FRIDAY NIGHT AND SATURDAY MORNING. ALSO OVER THE WEEKEND THE HEAT INDEX IS EXPECTED TO RISE WITH VALUES AT OR ABOVE 100 ACROSS MUCH OF THE AREA. PEAK READINGS NEAR 110 ARE POSSIBLE IN NORTHEAST OKLAHOMA AND IN THE ARKANSAS RIVER VALLEY OF WEST-CENTRAL ARKANSAS. HIGH HEAT INDEX VALUES WILL CONTINUE INTO THE FIRST OF NEXT WEEK...WITH AN INCREASE IN THUNDERSTORM POTENTIAL BY MID WEEK AS AN UPPER-LEVEL DISTURBANCE FORCES A WEAK FRONT INTO THE AREA. EMERGENCY MANAGEMENT PLANNING STATEMENT... EMERGENCY OFFICIALS WORKING OUTDOOR EVENTS IN THE COMING DAYS SHOULD CONSIDER THE LIKELIHOOD THAT A NUMBER OF EVENT PARTICIPANTS COULD BE AFFECTED BY THE HEAT AND REQUIRE ATTENTION. A HEAT ADVISORY WILL LIKELY BE RE-ISSUED FOR MUCH OF THE AREA. WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL INFORMATION. |
