SPC WW 101808
ALZ000-GAZ000-102300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 275
STORM PREDICTION CENTER NORMAN OK
208 PM EDT FRI MAY 10 2002
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN ALABAMA
NORTHERN AND CENTRAL GEORGIA
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 700
PM EDT.
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 ALONG AND 65 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTHWEST OF ANNISTON
ALABAMA TO 55 MILES SOUTHEAST OF ATHENS GEORGIA.
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.
DISCUSSION...STORMS EXPECTED TO DEVELOP ALONG BOUNDARY THAT EXTENDS
E-W FROM E CENTRAL AL INTO NRN GA AS WEAK UPPER LEVEL TROUGH MOVES
EWD ACROSS THE AREA. MODERATE INSTABILITY AND 30 KT DEEP LAYER
SHEAR SHOULD BE SUFFICIENT FOR STORMS WITH LARGE HAIL AND DAMAGING
WINDS.
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 500. MEAN STORM MOTION
VECTOR 25020.
...IMY
;341,0861 341,0823 322,0823 321,0861;
NNNN
ZCZC SPCSEL6 ALL 102300;340,0823 360,0765 342,0765 323,0823;
WWUS20 KWNS 101831
SPC WW 101831
GAZ000-NCZ000-SCZ000-CWZ000-102300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 276
STORM PREDICTION CENTER NORMAN OK
231 PM EDT FRI MAY 10 2002
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EASTERN GEORGIA
SOUTHEASTERN NORTH CAROLINA
SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 700
PM EDT.
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 ALONG AND 55 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 40 MILES WEST OF AUGUSTA GEORGIA TO
10 MILES NORTH NORTHEAST OF NEW BERN NORTH CAROLINA.
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 275...
DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AND
INTENSITY THROUGH THE AFTERNOON AS WEAK UPPER LEVEL TROUGH
APPROACHES THE AREA. MODERATE INSTABILITY INDICATES LARGE HAIL IS
POSSIBLE...THOUGH 25-30 TEMPERATURE/DEWPOINT SPREAD SUGGEST THAT
DAMAGING WINDS MAY BE THE MAIN THREAT.
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 500. MEAN STORM MOTION
VECTOR 25020.
...IMY
;340,0823 360,0765 342,0765 323,0823;
NNNN
ZCZC SPCSEL7 ALL 110300;325,1020 285,1011 285,1032 325,1042;
WWUS20 KWNS 102137
SPC WW 102137
NMZ000-TXZ000-110300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 277
STORM PREDICTION CENTER NORMAN OK
437 PM CDT FRI MAY 10 2002
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST NEW MEXICO
SOUTHWEST TEXAS
EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 500 PM UNTIL 1000
PM CDT.
HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES
EAST AND WEST OF A LINE FROM 20 MILES NORTH OF HOBBS NEW MEXICO TO
80 MILES SOUTH OF SANDERSON TEXAS.
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 275...WW 276...
DISCUSSION...THUNDERSTORMS HAVE DEVELOPED ALONG AND EAST OF DAVIS
MOUNTAINS IN UPSLOPE FLOW REGIME. VERY UNSTABLE AIRMASS AND STRONG
VERTICAL SHEAR PROFILES WILL AID IN DEVELOPMENT OF SUPERCELL STORMS
CAPABLE OF VERY LARGE HAIL AND DAMAGING WINDS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27030.
...HART
;325,1020 285,1011 285,1032 325,1042;
NNNN
ZCZC SPCSEL8 ALL 110600;331,0995 325,1040 344,1040 350,0995;
WWUS20 KWNS 110045
SPC WW 110045
NMZ000-TXZ000-110600-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 278
STORM PREDICTION CENTER NORMAN OK
745 PM CDT FRI MAY 10 2002
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EAST CENTRAL NEW MEXICO
NORTHWEST TEXAS
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 800 PM UNTIL
100 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 ALONG AND 60 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 55 MILES SOUTHWEST OF CANNON AFB
CLOVIS NEW MEXICO TO 25 MILES SOUTHEAST OF CHILDRESS TEXAS.
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 277...
DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INTENSIFY ACROSS EAST
CENTRAL NM AND WEST TX DURING THE NEXT 1-2 HOURS ALONG AND NORTH OF
RETREATING SURFACE WARM FRONT. RAPID DESTABILIZATION WILL CONTINUE
TO OCCUR...WITH ELEVATED CAPE VALUES OVER 2000 J/KG DEVELOPING.
STRONG VERTICAL SHEAR INDICATES SUPERCELLS CAPABLE OF VERY LARGE
HAIL ARE THE PRIMARY THREAT. SLIGHTLY CAPPED ENVIRONMENT AND
ELEVATED NATURE OF STORMS ARE EXPECTED TO LIMIT TORNADO POTENTIAL.
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 25035.
...HART
;331,0995 325,1040 344,1040 350,0995;
NNNN
ZCZC SPCSEL9 ALL 110800;343,1000 343,0975 332,0975 332,1000;
WWUS20 KWNS 110325
SPC WW 110325
OKZ000-TXZ000-110800-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 279
STORM PREDICTION CENTER NORMAN OK
1025 PM CDT FRI MAY 10 2002
THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EXTREME SOUTHWEST OKLAHOMA
NORTHWEST TEXAS
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1045 PM UNTIL
300 AM CDT.
TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS ALONG AND 40 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 95 MILES WEST OF WICHITA FALLS TEXAS TO 30
MILES EAST OF WICHITA FALLS TEXAS.
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION... CONTINUE...WW 278...
DISCUSSION...SUPERCELL THUNDERSTORM OVER MOTLEY COUNTY TX IS
EXPECTED TO TRACK EASTWARD INTO VERY MOIST/UNSTABLE SURFACE AIRMASS
WITHIN THE HOURS. ONCE STORM BECOMES SURFACE-BASED...EXTREMELY
STRONG LOW LEVEL VERTICAL SHEAR PROFILES /3KM SR HELICITY VALUES
OVER 700 M2/S2/ WILL SUPPORT THE POTENTIAL FOR TORNADOES. VERY
LARGE HAIL WILL ALSO REMAIN POSSIBLE.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 27025.
...HART
;343,1000 343,0975 332,0975 332,1000;
NNNN
ZCZC SPCSEL0 ALL 110900;364,1031 364,0995 344,0995 344,1031;
WWUS20 KWNS 110341
SPC WW 110341
NMZ000-OKZ000-TXZ000-110900-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 280
STORM PREDICTION CENTER NORMAN OK
1041 PM CDT FRI MAY 10 2002
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST NEW MEXICO
OKLAHOMA PANHANDLE
TEXAS PANHANDLE
EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1100 PM UNTIL
400 AM CDT.
HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 70 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 45 MILES WEST SOUTHWEST OF DALHART
TEXAS TO 105 MILES EAST NORTHEAST OF AMARILLO TEXAS.
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 278...WW 279...
DISCUSSION...THUNDERSTORMS ARE RAPIDLY INTENSIFYING ALONG THE TX/NM
BORDER IN ADVANCE OF APPROACHING SHORTWAVE TROUGH. AIRMASS JUST
ABOVE THE SURFACE IS MODERATELY UNSTABLE ACROSS THIS REGION.
SUPERCELL STORMS CAPABLE OF LARGE HAIL SHOULD BE THE PRIMARY THREAT
IN THIS REGION.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 25035.
...HART
;364,1031 364,0995 344,0995 344,1031;
NNNN
ZCZC SPCSEL1 ALL 111100;370,1012 384,0992 370,0974 352,0994;
WWUS20 KWNS 110540
SPC WW 110540
KSZ000-OKZ000-111100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 281
STORM PREDICTION CENTER NORMAN OK
1240 AM CDT SAT MAY 11 2002
THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHWEST KANSAS
NORTHWEST OKLAHOMA
EFFECTIVE THIS SATURDAY MORNING FROM 100 AM UNTIL 600 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 ALONG AND 75 STATUTE MILES
EITHER SIDE OF A LINE FROM 45 MILES WEST OF GAGE OKLAHOMA TO 45
MILES NORTH OF MEDICINE LODGE KANSAS.
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 280...
DISCUSSION...DEVELOPING MCS OVER THE TX PANHANDLE WILL CONTINUE
LIFTING NEWD INTO NWRN OK/SWRN KS DURING THE NEXT SEVERAL HOURS.
THE AIR MASS WILL LIKELY REMAIN MODERATELY UNSTABLE ACROSS THIS
REGION...WITH STRONG UVV ALONG NOSE OF 50+ KT SLY LLJ MAINTAINING
DEEP CONVECTION. THOUGH THIS ACTIVITY SHOULD BE SLIGHTLY
ELEVATED...DEEP LAYER SHEAR WILL BE SUPPORTIVE OF SUPERCELLS.
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 400. MEAN STORM
MOTION VECTOR 23040.
...EVANS
;370,1012 384,0992 370,0974 352,0994;
NNNN