967 WWUS20 KWNS 140057 SEL4 SPC WW 140057 ILZ000-INZ000-MOZ000-140300- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH - NUMBER 294 NWS STORM PREDICTION CENTER NORMAN OK 757 PM CDT WED MAY 13 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED TORNADO WATCH NUMBER 294 ISSUED AT 300 PM CDT FOR PORTIONS OF ILLINOIS INDIANA MISSOURI  246 WWUS20 KWNS 140239 SEL8 SPC WW 140239 ARZ000-OKZ000-TXZ000-140900- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 298 NWS STORM PREDICTION CENTER NORMAN OK 940 PM CDT WED MAY 13 2009 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHWEST ARKANSAS SOUTHERN AND EASTERN OKLAHOMA A SMALL PART OF NORTHWEST TEXAS EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 940 PM UNTIL 400 AM CDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF HARRISON ARKANSAS TO 35 MILES WEST SOUTHWEST OF ARDMORE OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...CONTINUE...WW 293...WW 295...WW 296...WW 297... DISCUSSION...A BROKEN BAND OF SEVERE STORMS...WITH SOME EMBEDDED SUPERCELLS...CONTINUES TO DEVELOP SWD/SEWD ALONG THE COLD FRONT ACROSS OK. DESPITE THE LOSS OF DAYTIME HEATING...STRONG INSTABILITY AND PRONOUNCED CONVERGENCE/LOW-LEVEL FRONTOGENESIS WILL HELP MAINTAIN EXISTING STORMS AND SUPPORT NEW DEVELOPMENT FOR THE NEXT SEVERAL HOURS. LARGE HAIL CAN BE EXPECTED WITH THE STRONGEST STORMS...WHILE THE DAMAGING WIND THREAT SHOULD INCREASE SOME AS A RESULT OF STORM MERGERS/INTERACTIONS AND SUBSEQUENT COLD POOL AND SMALL BOW ECHO FORMATION. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 32020. ...THOMPSON  794 WWUS20 KWNS 140256 SEL9 SPC WW 140256 ILZ000-MOZ000-140900- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 299 NWS STORM PREDICTION CENTER NORMAN OK 955 PM CDT WED MAY 13 2009 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL ILLINOIS SOUTHERN AND EAST CENTRAL MISSOURI EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 955 PM UNTIL 400 AM CDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF SALEM ILLINOIS TO 40 MILES SOUTHEAST OF MONETT MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...CONTINUE...WW 293...WW 295...WW 296...WW 297...WW 298... DISCUSSION...A BROKEN BAND OF SEVERE STORMS SHOULD GRADUALLY CONSOLIDATE INTO A MORE SOLID LINE OF STORMS IN THE NEXT SEVERAL HOURS ALONG THE COLD FRONT. SUFFICIENT INSTABILITY /PER THE 02Z SGF SPECIAL SOUNDING/ AND VERTICAL SHEAR WILL REMAIN TO SUPPORT A CONTINUING THREAT FOR LARGE HAIL AND DAMAGING WINDS INTO THE EARLY MORNING HOURS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 28030. ...THOMPSON  928 WWUS20 KWNS 140304 SEL3 SPC WW 140304 IAZ000-ILZ000-MOZ000-140300- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH - NUMBER 293 NWS STORM PREDICTION CENTER NORMAN OK 1004 PM CDT WED MAY 13 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED TORNADO WATCH NUMBER 293 ISSUED AT 240 PM CDT FOR PORTIONS OF IOWA ILLINOIS MISSOURI  653 WWUS20 KWNS 140351 SEL0 SPC WW 140351 ILZ000-INZ000-MIZ000-LMZ000-140900- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 300 NWS STORM PREDICTION CENTER NORMAN OK 1050 PM CDT WED MAY 13 2009 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHEAST ILLINOIS NORTHWEST INDIANA SOUTHWEST LOWER MICHIGAN LAKE MICHIGAN EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1050 PM UNTIL 400 AM CDT. HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF GRAND RAPIDS MICHIGAN TO 25 MILES SOUTH SOUTHWEST OF DECATUR ILLINOIS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES TORNADO WATCH NUMBER 297. WATCH NUMBER 297 WILL NOT BE IN EFFECT AFTER 1050 PM CDT. CONTINUE...WW 295...WW 296...WW 298...WW 299... DISCUSSION...A BROKEN BAND OF STORMS WILL PIVOT EWD IN ADVANCE OF THE COLD FRONT AND A STRONG MID LEVEL TROUGH MOVING EWD FROM IA/MN. LOW-MID LEVEL FLOW WILL INCREASE AS THE MID LEVEL WAVE APPROACHES LAKE MI OVERNIGHT. DESPITE SOMEWHAT STABLE TEMPERATURE PROFILES NEAR THE GROUND...MODEST LOW-LEVEL MOISTENING AND THE STRENGTHENING FLOW WILL MAINTAIN A THREAT FOR DAMAGING WINDS WITH EMBEDDED CELLS/BOWS THOUGHT THE EARLY MORNING HOURS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 25040. ...THOMPSON  303 WWUS20 KWNS 140405 SEL6 SPC WW 140403 OKZ000-140400- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 296 NWS STORM PREDICTION CENTER NORMAN OK 1103 PM CDT WED MAY 13 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 296 ISSUED AT 515 PM CDT FOR PORTIONS OF OKLAHOMA  304 WWUS20 KWNS 140405 SEL5 SPC WW 140403 KSZ000-MOZ000-140400- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 295 NWS STORM PREDICTION CENTER NORMAN OK 1103 PM CDT WED MAY 13 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 295 ISSUED AT 455 PM CDT FOR PORTIONS OF KANSAS MISSOURI  568 WWUS20 KWNS 140542 SEL1 SPC WW 140542 INZ000-KYZ000-MIZ000-OHZ000-LEZ000-LHZ000-141100- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 301 NWS STORM PREDICTION CENTER NORMAN OK 1245 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND NORTHEAST INDIANA EXTREME NORTH CENTRAL KENTUCKY EASTERN LOWER MICHIGAN WESTERN OHIO LAKE ERIE LAKE HURON EFFECTIVE THIS THURSDAY MORNING FROM 1245 AM UNTIL 600 AM CDT. HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES EAST NORTHEAST OF BAD AXE MICHIGAN TO 50 MILES SOUTHWEST OF BLOOMINGTON INDIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...CONTINUE...WW 298...WW 299...WW 300... DISCUSSION...BROKEN LINE OF INTENSE THUNDERSTORMS CONTINUES TO TRACK EASTWARD ACROSS IND AND LOWER MI TONIGHT...AND INTO WESTERN OH BEFORE DAYBREAK. INSTABILITY WILL CONTINUE TO DIMINISH WITH TIME AND EASTWARD EXTENT. HOWEVER...VERY STRONG WIND FIELDS WILL MAINTAIN A RISK OF LOCALLY DAMAGING WINDS AND HAIL THROUGH THE NIGHT. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 24045. ...HART  692 WWUS20 KWNS 140601 SEL2 SPC WW 140601 ARZ000-ILZ000-INZ000-KYZ000-MOZ000-TNZ000-141200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 302 NWS STORM PREDICTION CENTER NORMAN OK 100 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND NORTHEAST ARKANSAS SOUTHERN ILLINOIS SOUTHERN INDIANA WESTERN AND NORTH CENTRAL KENTUCKY SOUTHEAST MISSOURI WESTERN TENNESSEE EFFECTIVE THIS THURSDAY MORNING FROM 100 AM UNTIL 700 AM CDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTHWEST OF HOT SPRINGS ARKANSAS TO 55 MILES NORTHWEST OF LOUISVILLE KENTUCKY. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...CONTINUE...WW 298...WW 299...WW 300...WW 301... DISCUSSION...LINE OF SEVERE THUNDERSTORMS EXTENDS FROM SOUTHERN IL INTO EASTERN OK. THESE STORMS WILL MOVE SLOWLY SOUTHEASTWARD OVERNIGHT THROUGH A VERY MOIST/UNSTABLE AIRMASS. BOW/LEWP STRUCTURES WILL REMAIN CAPABLE OF DAMAGING WINDS AND HAIL FOR ANOTHER SEVERAL HOURS ACROSS THE WATCH AREA. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 30025. ...HART  961 WWUS20 KWNS 140610 SEL3 SPC WW 140610 ARZ000-LAZ000-OKZ000-TXZ000-141200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 303 NWS STORM PREDICTION CENTER NORMAN OK 110 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHWEST ARKANSAS NORTHWEST LOUISIANA SOUTHEAST OKLAHOMA NORTH CENTRAL AND NORTHEAST TEXAS EFFECTIVE THIS THURSDAY MORNING FROM 110 AM UNTIL 700 AM CDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST NORTHWEST OF FORT WORTH TEXAS TO 55 MILES EAST SOUTHEAST OF TEXARKANA ARKANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3). REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION...CONTINUE...WW 298...WW 299...WW 300...WW 301...WW 302... DISCUSSION...WELL ORGANIZED SQUALL LINE IS SURGING SEWD ACROSS OK AT ROUGHLY 30 KT AND WILL SOON SPREAD INTO NORTH CENTRAL AND NORTHEAST TX. THIS ACTIVITY IS MOVING THROUGH A FAIRLY UNSTABLE AIRMASS THAT SHOULD CONTINUE TO SUPPORT SEVERE THUNDERSTORMS CAPABLE OF GENERATING LARGE HAIL AND DAMAGING WINDS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 30030. ...DARROW  440 WWUS20 KWNS 140730 SEL0 SPC WW 140729 ILZ000-INZ000-MIZ000-LMZ000-140900- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 300 NWS STORM PREDICTION CENTER NORMAN OK 229 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 300 ISSUED AT 1050 PM CDT FOR PORTIONS OF ILLINOIS INDIANA MICHIGAN LAKE MICHIGAN  226 WWUS20 KWNS 140904 SEL9 SPC WW 140903 ILZ000-MOZ000-140900- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 299 NWS STORM PREDICTION CENTER NORMAN OK 403 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 299 ISSUED AT 955 PM CDT FOR PORTIONS OF ILLINOIS MISSOURI  229 WWUS20 KWNS 140904 SEL8 SPC WW 140903 ARZ000-OKZ000-TXZ000-140900- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 298 NWS STORM PREDICTION CENTER NORMAN OK 403 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 298 ISSUED AT 940 PM CDT FOR PORTIONS OF ARKANSAS OKLAHOMA TEXAS  849 WWUS20 KWNS 141012 SEL1 SPC WW 141011 INZ000-KYZ000-MIZ000-OHZ000-LEZ000-LHZ000-141100- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 301 NWS STORM PREDICTION CENTER NORMAN OK 511 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 301 ISSUED AT 1245 AM CDT FOR PORTIONS OF INDIANA KENTUCKY MICHIGAN OHIO LAKE ERIE LAKE HURON  354 WWUS20 KWNS 141107 SEL2 SPC WW 141105 ARZ000-ILZ000-INZ000-KYZ000-MOZ000-TNZ000-141200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 302 NWS STORM PREDICTION CENTER NORMAN OK 605 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 302 ISSUED AT 100 AM CDT FOR PORTIONS OF ARKANSAS ILLINOIS INDIANA KENTUCKY MISSOURI TENNESSEE  009 WWUS20 KWNS 141203 SEL3 SPC WW 141203 ARZ000-LAZ000-OKZ000-TXZ000-141200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH - NUMBER 303 NWS STORM PREDICTION CENTER NORMAN OK 703 AM CDT THU MAY 14 2009 THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 303 ISSUED AT 110 AM CDT FOR PORTIONS OF ARKANSAS LOUISIANA OKLAHOMA TEXAS