Oklahoma - Special Weather Statements IWIN products will be migrated to newer systems soon. Please see additional information here WWUS84 KOUN 190428 SPSOKC OKZ033-036-TXZ083-084-087-190445- SIGNIFICANT WEATHER ADVISORY NATIONAL WEATHER SERVICE NORMAN OK 1128 PM CDT FRI APR 18 2003 THIS SIGNIFICANT WEATHER ADVISORY IS FOR FOARD...HARDEMAN...HARMON... JACKSON AND KNOX COUNTIES. AT 1128 PM...STRONG TO SEVERE THUNDERSTORMS WERE MOVING RAPIDLY NORTHEAST AT AROUND 50 MPH FROM WEST CENTRAL TEXAS. THESE STORMS WILL LIKELY MOVE INTO PARTS OF KNOX...FOARD...AND HARDEMAN COUNTIES IN TEXAS...AND PERHAPS INTO THE SOUTHWEST CORNER OF OKLAHOMA...BY AROUND 1 AM. PEOPLE IN FOARD...HARDEMAN...HARMON...JACKSON AND KNOX COUNTIES... INCLUDING THE CITY OF QUANAH...SHOULD MONITOR THESE STORMS CLOSELY. LISTEN FOR WARNINGS AND WATCH FOR THREATENING WEATHER CONDITIONS AS THE STORMS APPROACH. $$ 24  WWUS84 KOUN 190428 SPSOKC OKZ033-036-TXZ083-084-087-190445- SIGNIFICANT WEATHER ADVISORY NATIONAL WEATHER SERVICE NORMAN OK 1128 PM CDT FRI APR 18 2003 THIS SIGNIFICANT WEATHER ADVISORY IS FOR FOARD...HARDEMAN...HARMON... JACKSON AND KNOX COUNTIES. AT 1128 PM...STRONG TO SEVERE THUNDERSTORMS WERE MOVING RAPIDLY NORTHEAST AT AROUND 50 MPH FROM WEST CENTRAL TEXAS. THESE STORMS WILL LIKELY MOVE INTO PARTS OF KNOX...FOARD...AND HARDEMAN COUNTIES IN TEXAS...AND PERHAPS INTO THE SOUTHWEST CORNER OF OKLAHOMA...BY AROUND 1 AM. PEOPLE IN FOARD...HARDEMAN...HARMON...JACKSON AND KNOX COUNTIES... INCLUDING THE CITY OF QUANAH...SHOULD MONITOR THESE STORMS CLOSELY. LISTEN FOR WARNINGS AND WATCH FOR THREATENING WEATHER CONDITIONS AS THE STORMS APPROACH. $$ 24  FLUS44 KAMA 190156 HWOAMA OKZ001>003-TXZ001>020-191100- TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 856 PM CDT FRI APR 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE SOUTHEAST TEXAS PANHANDLE OVERNIGHT. THE SLIGHT RISK AREA IS GENERALLY ALONG AND SOUTHEAST OF A LINE FROM CANYON TEXAS TO CANADIAN TEXAS. THE MAIN SEVERE WEATHER THREAT WILL BE LARGE HAIL...DAMAGING WINDS AND HEAVY RAIN. .DAYS TWO THROUGH SEVEN... SCATTERED THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS COULD REACH SEVERE LEVELS... PRODUCING DAMAGING WINDS AND HAIL...ESPECIALLY ACROSS THE SOUTHEASTERN TEXAS PANHANDLE. STRONG THUNDERSTORMS MAY ALSO DEVELOP TUESDAY AND TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY OVERNIGHT AND AGAIN SATURDAY. $$ GOEHRING  WWUS84 KOUN 190103 SPSOKC OKZ044-TXZ090-190115- SIGNIFICANT WEATHER ADVISORY NATIONAL WEATHER SERVICE NORMAN OK 802 PM CDT FRI APR 18 2003 THIS SIGNIFICANT WEATHER ADVISORY IS FOR CLAY AND COTTON COUNTIES. A SEVERE THUNDERSTORM WAS LOCATED OVER SOUTH PARTS OF WICHITA FALLS AT 801 PM CDT...MOVING NORTHEAST AT 45 MPH. IF THIS STORM MAINTAINS ITS INTENSITY...SEVERE WEATHER WILL AFFECT PARTS OF NORTHERN CLA AND SOUTHERN COTTON COUNTIES BY 9 PM. PEOPLE IN CLAY AND COTTON COUNTIES SHOULD MONITOR THIS STORM CLOSELY. LISTEN FOR WARNINGS AND WATCH FOR THREATENING WEATHER CONDITIONS AS THIS STORM APPROACHES. $$ 24  WWUS84 KOUN 190103 SPSOKC OKZ044-TXZ090-190115- SIGNIFICANT WEATHER ADVISORY NATIONAL WEATHER SERVICE NORMAN OK 802 PM CDT FRI APR 18 2003 THIS SIGNIFICANT WEATHER ADVISORY IS FOR CLAY AND COTTON COUNTIES. A SEVERE THUNDERSTORM WAS LOCATED OVER SOUTH PARTS OF WICHITA FALLS AT 801 PM CDT...MOVING NORTHEAST AT 45 MPH. IF THIS STORM MAINTAINS ITS INTENSITY...SEVERE WEATHER WILL AFFECT PARTS OF NORTHERN CLA AND SOUTHERN COTTON COUNTIES BY 9 PM. PEOPLE IN CLAY AND COTTON COUNTIES SHOULD MONITOR THIS STORM CLOSELY. LISTEN FOR WARNINGS AND WATCH FOR THREATENING WEATHER CONDITIONS AS THIS STORM APPROACHES. $$ 24  FLUS44 KAMA 190000 HWOAMA OKZ001>003-TXZ001>020-191100- TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 700 PM CDT FRI APR 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... SCATTERED THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS COULD REACH SEVERE LEVELS... PRODUCING DAMAGING WINDS AND HAIL...ESPECIALLY ACROSS THE SOUTHEASTERN TEXAS PANHANDLE. STRONG THUNDERSTORMS MAY ALSO DEVELOP TUESDAY AND TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY SATURDAY AFTERNOON AND EVENING. $$ GOEHRING  FLUS44 KTSA 181803 HWOTUL ARZ001-002-010-011-019-020-029-OKZ049-053>076-191100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT FRI APR 18 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SEVERE WEATHER OUTLOOK ...CHANCE OF SEVERE THUNDERSTORMS OVER NORTHEAST OKLAHOMA AFTER MIDNIGHT... ELEVATED THUNDERSTORMS WILL LIKELY DEVELOP ACROSS NORTHEAST OKLAHOMA TONIGHT...IN RESPONSE TO A STRENGTHENING LOW LEVEL JET. SOME OF THESE STORMS COULD BE SEVERE WITH LARGE HAIL AND DAMAGING WINDS. IN ADDITION...HEAVY RAINFALL WILL ALSO BE LIKELY WITH THESE STORMS WITH THE THREAT FOR FLASH FLOODING. THE BEST CHANCE FOR SEVERE WEATHER OVERNIGHT WILL BE ALONG AND NORTH OF THE INTERSTATE 44 CORRIDOR. SEVERE THUNDERSTORM AND TORNADO WARNING PROBABILITIES CAN BE FOUND IN THE "OUTLOOK SECTION" AT: WWW.SRH.NOAA.GOV/TULSA. GIVEN PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE ISSUED AT YOUR LOCATION. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY ...SEVERE THUNDERSTORMS LIKELY SATURDAY EVENING... ONGOING ELEVATED SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS NORTHEAST OKLAHOMA DURING THE MORNING HOURS SATURDAY. THIS ACTIVITY WILL LIKELY SHIFT NORTHEAST OF THE AREA SATURDAY AFTERNOON. A SIGNIFICANT SEVERE WEATHER EVENT APPEARS LIKELY SATURDAY LATE AFTERNOON AND EVENING. SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THE DRY LINE OVER WEST-CENTRAL OKLAHOMA SATURDAY AFTERNOON...MOVING NORTHEAST INTO EASTERN OKLAHOMA BY LATE AFTERNOON OR EVENING. INSTABILITY AND SHEAR PROFILES ACROSS EASTERN OKLAHOMA INDICATE SUPERCELL THUNDERSTORMS WILL BE LIKELY DURING THE LATE AFTERNOON OR EVENING HOURS. THE HIGHEST THREAT FOR VERY LARGE HAIL AND TORNADOES WILL LIKELY BE ACROSS NORTHEAST OKLAHOMA. AS THE THUNDERSTORM ACTIVITY SPREADS FURTHER EAST ACROSS THE AREA SATURDAY NIGHT...THE SEVERE THREAT SHOULD TRANSITION TO MAINLY LARGE HAIL AND DAMAGING WINDS. RESIDENTS ACROSS THE AREA SHOULD CONTINUE TO MONITOR THE LATEST FORECASTS CONCERNING THE SEVERE WEATHER POTENTIAL ON SATURDAY. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT ACROSS PORTIONS OF NORTHEAST OKLAHOMA. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA $$  FLUS44 KAMA 181750 HWOAMA OKZ001>003-TXZ001>020-191100- TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 100 PM CDT FRI APR 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE... A RED FLAG WARNING IS IN EFFECT FOR THIS AFTERNOON AND EARLY EVENING OVER THE WESTERN AND CENTRAL PARTS OF THE TEXAS AND OKLAHOMA PANHANDLES. OVER THE REMAINDER OF THE PANHANDLES...THE FIRE DANGER WILL REMAIN VERY HIGH THIS AFTERNOON AND EARLY EVENING DUE TO LOW RELATIVE HUMIDITIES AND GUSTY SOUTHWEST WINDS. .DAYS TWO THROUGH SEVEN... SCATTERED THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS COULD REACH SEVERE LEVELS... PRODUCING DAMAGING WINDS AND HAIL...ESPECIALLY ACROSS THE SOUTHEASTERN TEXAS PANHANDLE. STRONG THUNDERSTORMS MAY ALSO DEVELOP TUESDAY AND TUESDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY SATURDAY AFTERNOON AND EVENING. $$ NUNEZ  FLUS44 KOUN 181700 HWOOKC OKZ004>048-050>052-TXZ083>090-191200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORMAN OK 1200 PM CDT FRI APR 18 2003 THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN... CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT... THUNDERSTORM OUTLOOK... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT ACROSS PORTIONS OF OKLAHOMA AND WESTERN NORTH TEXAS. LOCATION... THE SLIGHT RISK AREA IS GENERALLY SOUTHEAST OF A LINE FROM CHEROKEE TO CHEYENNE. TIMING... THE MOST LIKELY TIME FOR SEVERE THUNDERSTORMS WILL BE FROM LATE THIS AFTERNOON THROUGH EARLY SATURDAY MORNING. RECOMMENDED ACTIONS... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS FROM THIS AFTERNOON UNTIL EARLY SATURDAY MORNING. DISCUSSION... A DRYLINE WILL CONTINUE TO SHARPEN AND PUSH EASTWARD ACROSS PORTIONS OF WESTERN OKLAHOMA AND WESTERN NORTH TEXAS THIS AFTERNOON. DEWPOINTS AHEAD OF THE DRYLINE WILL CONTINUE TO INCREASE AS MOISTURE MOVES NORTHWARD FROM CENTRAL TEXAS. THE ATMOSPHERE WILL BECOME MODERATELY UNSTABLE THIS AFTERNOON AS TEMPERATURES WARM INTO THE 80S. CONVERGENCE ALONG THE DRYLINE AND A STRONG UPPER LEVEL JET WILL COMBINE TO PRODUCE THUNDERSTORMS BY LATE THIS AFTERNOON. SHEAR PROFILES ARE EXPECTED TO BE STRONG ENOUGH FOR SUPERCELLS TO DEVELOP WITH LARGE HAIL AND DAMAGING WIND GUSTS THE MAIN WEATHER THREAT. ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP OVERNIGHT...AS LOW LEVEL WINDS INCREASE. SOME OF THESE STORMS MAY PRODUCE LARGE HAIL. HEAVY RAINFALL MAY ALSO OCCUR WITH THESE THUNDERSTORMS TONIGHT...ESPECIALLY FROM WESTERN NORTH TEXAS INTO CENTRAL OKLAHOMA. PROBABILITY TABLE... VALID THROUGH 700 AM CDT SATURDAY APR 19. PROBABILITY OF THUNDERSTORMS OCCURRING IN THE NWS NORMAN COUNTY WARNING AREA...90 PERCENT. PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...60 PERCENT. OTHER HAZARDOUS WEATHER... THERE WILL BE AN EXTREME TO HIGH FIRE DANGER THIS AFTERNOON ACROSS ALL OF OKLAHOMA AND WESTERN NORTH TEXAS. PLEASE REFER TO FIRE WEATHER PRODUCTS FOR DETAILED INFORMATION. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... THUNDERSTORM OUTLOOK... THERE IS A MODERATE RISK OF SEVERE WEATHER ON SATURDAY ACROSS MOST OF CENTRAL AND EASTERN OKLAHOMA. WESTERN OKLAHOMA AND WESTERN NORTH TEXAS WILL HAVE A SLIGHT RISK OF SEVERE THUNDERSTORMS. THUNDERSTORMS ARE EXPECTED TO MOVE NORTHEAST OUT OF OKLAHOMA BY EARLY SATURDAY AFTERNOON. THIS WILL ALLOW FOR STRONG HEATING AS SKIES CLEAR. LOW PRESSURE IS EXPECTED TO DEVELOP OVER SOUTHWEST OKLAHOMA...AS A STRONG UPPER LEVEL SYSTEM APPROACHES THE SOUTHERN PLAINS. AN ASSOCIATED DRYLINE AND FRONTAL BOUNDARY WILL BE THE FOCUS FOR THUNDERSTORM DEVELOPMENT BY MID TO LATE AFTERNOON. MODERATE TO HIGH INSTABILITY AND FAVORABLE SHEAR PROFILES WILL SUPPORT SUPERCELL THUNDERSTORMS WITH TORNADOES POSSIBLE. HEAVY RAINFALL WILL ALSO BE POSSIBLE...ESPECIALLY ACROSS THE NORTHERN HALF OF OKLAHOMA. OTHER HAZARDOUS WEATHER... NO OTHER HAZARDOUS WEATHER IS EXPECTED. THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 7 AM SATURDAY. $$ MAXWELL/SPEG  FLUS44 KSHV 181647 HWOSHV ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096- 097-108>112-124>126-136>138-149>153-165>167-191200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 1200 PM CDT CDT FRI APR 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST TEXAS...SOUTHWEST ARKANSAS...NORTHWEST AND NORTH CENTRAL LOUISIANA. .DAY ONE...THIS AFTERNOON AND TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... A FAIRLY STRONG UPPER LEVEL STORM SYSTEM WILL MOVE ACROSS THE SOUTH CENTRAL UNITED STATES SATURDAY INTO SUNDAY. THIS ALONG WITH A FRONTAL SYSTEM MAY PRODUCE SCATTERED THUNDERSTORMS OVER THE FOUR STATE AREA. A FEW OF THESE STORMS MAY BECOME SEVERE SATURDAY INTO SUNDAY. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM SPOTTERS WILL NOT BE NEEDED TODAY OR TONIGHT. $$  FLUS44 KOUN 181215 HWOOKC OKZ004>048-050>052-TXZ083>090-191200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORMAN OK 700 AM CDT FRI APR 18 2003 THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN... CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS. .DAY ONE...TODAY AND TONIGHT... THUNDERSTORM OUTLOOK... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH TONIGHT ACROSS PORTIONS OF OKLAHOMA AND WESTERN NORTH TEXAS. LOCATION... THE SLIGHT RISK AREA IS GENERALLY SOUTHEAST OF A LINE FROM CHEROKEE TO CHEYENNE. TIMING... THE MOST LIKELY TIME FOR SEVERE THUNDERSTORMS WILL BE FROM LATE THIS AFTERNOON THROUGH EARLY SATURDAY MORNING. RECOMMENDED ACTIONS... STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS FROM THIS AFTERNOON UNTIL EARLY SATURDAY MORNING. DISCUSSION... A DRYLINE...LOCATED OVER THE HIGH PLAINS OF TEXAS...WILL ADVANCE EAST INTO WESTERN OKLAHOMA AND WESTERN NORTH TEXAS THIS AFTERNOON. THE ATMOSPHERE WILL BECOME MODERATELY UNSTABLE THIS AFTERNOON AS TEMPERATURES WARM INTO THE LOWER AND MID 80S. CONVERGENCE ALONG THE DRYLINE AND A STRONG UPPER LEVEL JET WILL COMBINE TO PRODUCE THUNDERSTORMS BY LATE THIS AFTERNOON. SHEAR PROFILES ARE EXPECTED TO BE STRONG ENOUGH FOR SUPERCELLS TO DEVELOP WITH LARGE HAIL AND DAMAGING WIND GUSTS THE MAIN WEATHER THREAT. AS SUNSET APPROACHES...STORMS WILL LIKELY WEAKEN OR DISSIPATE. HOWEVER...ADDITIONAL THUNDERSTORMS ARE EXPECTED TO DEVELOP...AS LOW LEVEL WINDS INCREASE. SOME OF THESE STORMS MAY PRODUCE LARGE HAIL. HEAVY RAINFALL MAY ALSO OCCUR WITH THESE THUNDERSTORMS TONIGHT...ESPECIALLY FROM WESTERN NORTH TEXAS INTO CENTRAL OKLAHOMA. PROBABILITY TABLE... VALID THROUGH 700 AM CDT SATURDAY APR 19. PROBABILITY OF THUNDERSTORMS OCCURRING IN THE NWS NORMAN COUNTY WARNING AREA...90 PERCENT. PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...40 PERCENT. OTHER HAZARDOUS WEATHER... THERE WILL BE AN EXTREME TO HIGH FIRE DANGER THIS AFTERNOON ACROSS ALL OF OKLAHOMA AND WESTERN NORTH TEXAS. PLEASE REFER TO FIRE WEATHER PRODUCTS FOR DETAILED INFORMATION. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... THUNDERSTORM OUTLOOK... THERE IS A MODERATE RISK OF SEVERE WEATHER ON SATURDAY ACROSS MOST OF CENTRAL AND EASTERN OKLAHOMA. WESTERN OKLAHOMA AND WESTERN NORTH TEXAS WILL HAVE A SLIGHT RISK OF SEVERE THUNDERSTORMS. THUNDERSTORMS ARE EXPECTED MOVE NORTHEAST OUT OF OKLAHOMA BY EARLY SATURDAY AFTERNOON. THIS WILL ALLOW FOR STRONG HEATING AS SKIES CLEAR. LOW PRESSURE IS EXPECTED TO DEVELOP OVER SOUTHWEST OKLAHOMA...AS A STRONG UPPER LEVEL SYSTEM APPROACHES THE SOUTHERN PLAINS. AN ASSOCIATED DRYLINE AND FRONTAL BOUNDARY WILL BE THE FOCUS FOR THUNDERSTORM DEVELOPMENT BY MID TO LATE AFTERNOON. MODERATE TO HIGH INSTABILITY AND FAVORABLE SHEAR PROFILES WILL SUPPORT SUPERCELL THUNDERSTORMS WITH TORNADOES POSSIBLE. HEAVY RAINFALL WILL ALSO BE POSSIBLE...ESPECIALLY ACROSS THE NORTHERN HALF OF OKLAHOMA. OTHER HAZARDOUS WEATHER... NO OTHER HAZARDOUS WEATHER IS EXPECTED. THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT NOON TODAY. $$ SIX  FLUS44 KAMA 181100 HWOAMA OKZ001>003-TXZ001>020-181800- TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AMARILLO TX 600 AM CDT FRI APR 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA PANHANDLES. .DAY ONE... FIRE DANGER WILL BE VERY HIGH THIS AFTERNOON AND EARLY EVENING DUE TO LOW RELATIVE HUMIDITIES AND GUSTY SOUTHWEST WINDS. A RED FLAG WARNING IS IN EFFECT FOR THE WESTERN 3/4 OF THE PANHANDLES. .DAYS TWO THROUGH SEVEN... SCATTERED THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS COULD REACH SEVERE LEVELS... PRODUCING DAMAGING WINDS AND HAIL...ESPECIALLY ACROSS THE SOUTHEASTERN TEXAS PANHANDLE. STRONG THUNDERSTORMS MAY ALSO DEVELOP TUESDAY AND TUESDAY NIGHT. OTHERWISE...THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER AT THIS TIME IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY SATURDAY AFTERNOON AND EVENING. $$ COCKRELL  FLUS44 KTSA 181058 HWOTUL ARZ001-002-010-011-019-020-029-OKZ049-053>076-191100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 600 AM CDT FRI APR 18 2003 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TODAY SEVERE WEATHER OUTLOOK ...CHANCE OF SEVERE THUNDERSTORMS OVER NORTHEAST OKLAHOMA AFTER MIDNIGHT... ELEVATED THUNDERSTORMS WILL LIKELY DEVELOP ACROSS NORTHEAST OKLAHOMA TONIGHT...IN RESPONSE TO A STRENGTHENING LOW LEVEL JET. SOME OF THESE STORMS COULD BE SEVERE WITH LARGE HAIL AND DAMAGING WINDS. IN ADDITION...HEAVY RAINFALL WILL ALSO BE LIKELY WITH THESE STORMS WITH THE THREAT FOR FLASH FLOODING. THE BEST CHANCE FOR SEVERE WEATHER OVERNIGHT WILL BE ALONG AND NORTH OF THE INTERSTATE 44 CORRIDOR. SEVERE THUNDERSTORM AND TORNADO WARNING PROBABILITIES CAN BE FOUND IN THE "OUTLOOK SECTION" AT: WWW.SRH.NOAA.GOV/TULSA. GIVEN PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE ISSUED AT YOUR LOCATION. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY ...SEVERE THUNDERSTORMS LIKELY SATURDAY EVENING... ONGOING ELEVATED SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS NORTHEAST OKLAHOMA DURING THE MORNING HOURS SATURDAY. THIS ACTIVITY WILL LIKELY SHIFT NORTHEAST OF THE AREA SATURDAY AFTERNOON. A SIGNIFICANT SEVERE WEATHER EVENT APPEARS LIKELY SATURDAY EVENING. SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THE DRY LINE OVER WEST-CENTRAL OKLAHOMA SATURDAY AFTERNOON...MOVING NORTHEAST INTO EASTERN OKLAHOMA SATURDAY EVENING. INSTABILITY AND SHEAR PROFILES ACROSS EASTERN OKLAHOMA INDICATE SUPERCELL THUNDERSTORMS WILL BE LIKELY DURING THE EVENING HOURS WITH THE THREAT FOR VERY LARGE HAIL AND TORNADOES...PRIMARILY WEST OF A MIAMI...HUGO LINE. AS THE THUNDERSTORM ACTIVITY SPREADS EAST INTO NORTHWEST ARKANSAS SATURDAY NIGHT...THE SEVERE THREAT SHOULD TRANSITION TO MAINLY LARGE HAIL AND DAMAGING WINDS. RESIDENTS ACROSS THE AREA SHOULD CONTINUE TO MONITOR THE LATEST FORECASTS CONCERNING THE SEVERE WEATHER POTENTIAL ON SATURDAY. .SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED TONIGHT ACROSS PORTIONS OF NORTHEAST OKLAHOMA. ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT... WWW.SRH.NOAA.GOV/TULSA $$  FLUS44 KSHV 181055 HWOSHV ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096- 097-108>112-124>126-136>138-149>153-165>167-181700- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SHREVEPORT LA 600 AM CDT CDT FRI APR 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST OKLAHOMA...NORTHEAST TEXAS...SOUTHWEST ARKANSAS...NORTHWEST AND NORTH CENTRAL LOUISIANA. .DAY ONE...TODAY AND TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... A FAIRLY STRONG UPPER LEVEL STORM SYSTEM WILL MOVE ACROSS THE SOUTH CENTRAL UNITED STATES SATURDAY INTO SUNDAY. THIS ALONG WITH A FRONTAL SYSTEM MAY PRODUCE SCATTERED THUNDERSTORMS OVER THE FOUR STATE AREA. A FEW OF THESE STORMS MAY BECOME SEVERE LATE SATURDAY INTO EARLY SUNDAY MORNING. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF EMERGENCY MANAGERS...SKYWARN NETWORKS...AND STORM SPOTTERS WILL NOT BE NEEDED TODAY OR TONIGHT. $$  This data is from the IWIN (Interactive Weather Information Network)