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Severe tstm watch until 12 am cst for ne TX
Posted: Thu Mar 31, 2005 6:04 pm
by WXBUFFJIM
Hail is the primary threat with these storms and some wind also. Tornado threat is very low due to the presence of very weak low level shear.
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 115
NWS STORM PREDICTION CENTER NORMAN OK
505 PM CST THU MAR 31 2005
SEVERE THUNDERSTORM WATCH 115 IS IN EFFECT UNTIL 1200 AM CST
FOR THE FOLLOWING LOCATIONS
TXC001-005-027-037-041-051-063-067-073-119-139-145-147-159-161-
183-185-203-213-217-223-225-231-257-277-289-293-309-313-315-331-
343-347-349-365-373-379-387-395-397-401-407-423-449-455-459-467-
471-499-010600-
/O.NEW.KWNS.SV.A.0115.050331T2305Z-050401T0600Z/
TX
. TEXAS COUNTIES INCLUDED ARE
ANDERSON ANGELINA BELL
BOWIE BRAZOS BURLESON
CAMP CASS CHEROKEE
DELTA ELLIS FALLS
FANNIN FRANKLIN FREESTONE
GREGG GRIMES HARRISON
HENDERSON HILL HOPKINS
HOUSTON HUNT KAUFMAN
LAMAR LEON LIMESTONE
MADISON MARION MCLENNAN
MILAM MORRIS NACOGDOCHES
NAVARRO PANOLA POLK
RAINS RED RIVER ROBERTSON
ROCKWALL RUSK SAN JACINTO
SMITH TITUS TRINITY
UPSHUR VAN ZANDT WALKER
WOOD
$$
ATTN...WFO...FWD...SHV...HGX...
Posted: Thu Mar 31, 2005 6:07 pm
by WXBUFFJIM
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 115
NWS STORM PREDICTION CENTER NORMAN OK
505 PM CST THU MAR 31 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EAST AND NORTHEAST TEXAS
EFFECTIVE THIS THURSDAY AFTERNOON FROM 505 PM UNTIL MIDNIGHT CST.
HAIL TO 2.5 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 80
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST NORTHEAST
OF PARIS TEXAS TO 85 MILES SOUTHEAST OF WACO TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
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 114...
DISCUSSION...A STRONG MID LEVEL TROUGH OVER THE TX PANHANDLE/W TX
WILL MOVE EWD ACROSS OK/N TX THROUGH EARLY TONIGHT. AT THE
SURFACE...CYCLOGENESIS IS EXPECTED ALONG A RETREATING WARM
FRONT/MOISTURE GRADIENT REGION ACROSS NE TX...IN RESPONSE TO THE
APPROACHING MID LEVEL TROUGH. THUNDERSTORM INITIATION APPEARS
LIKELY INVOF OF THE DEVELOPING LOW IN NE TX NEAR TYR...AS WELL AS
NEAR I-35 AS A BELT OF MID LEVEL CONVECTION REACHES THE WRN EDGE OF
THE RICHER LOW-LEVEL MOISTURE. LOW-LEVEL SHEAR IS RELATIVELY WEAK
ACROSS MUCH OF NE TX AT THIS TIME...AND PROBABLY WILL NOT INCREASE
TOO MUCH UNTIL AFTER 03Z. THEREFORE...EXPECT SUPERCELLS WITH LARGE
HAIL AND DAMAGING WINDS TO BE THE MAIN SEVERE THREATS ACROSS NE
TX...WITH SOME INCREASE IN THE TORNADO THREAT EXPECTED LATER TONIGHT
ACROSS LA.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25025.
...THOMPSON
Posted: Thu Mar 31, 2005 6:15 pm
by WXBUFFJIM
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 115
NWS STORM PREDICTION CENTER NORMAN OK
505 PM CST THU MAR 31 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EAST AND NORTHEAST TEXAS
EFFECTIVE THIS THURSDAY AFTERNOON FROM 505 PM UNTIL MIDNIGHT CST.
HAIL TO 2.5 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 80
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST NORTHEAST
OF PARIS TEXAS TO 85 MILES SOUTHEAST OF WACO TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
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 114...
DISCUSSION...A STRONG MID LEVEL TROUGH OVER THE TX PANHANDLE/W TX
WILL MOVE EWD ACROSS OK/N TX THROUGH EARLY TONIGHT. AT THE
SURFACE...CYCLOGENESIS IS EXPECTED ALONG A RETREATING WARM
FRONT/MOISTURE GRADIENT REGION ACROSS NE TX...IN RESPONSE TO THE
APPROACHING MID LEVEL TROUGH. THUNDERSTORM INITIATION APPEARS
LIKELY INVOF OF THE DEVELOPING LOW IN NE TX NEAR TYR...AS WELL AS
NEAR I-35 AS A BELT OF MID LEVEL CONVECTION REACHES THE WRN EDGE OF
THE RICHER LOW-LEVEL MOISTURE. LOW-LEVEL SHEAR IS RELATIVELY WEAK
ACROSS MUCH OF NE TX AT THIS TIME...AND PROBABLY WILL NOT INCREASE
TOO MUCH UNTIL AFTER 03Z. THEREFORE...EXPECT SUPERCELLS WITH LARGE
HAIL AND DAMAGING WINDS TO BE THE MAIN SEVERE THREATS ACROSS NE
TX...WITH SOME INCREASE IN THE TORNADO THREAT EXPECTED LATER TONIGHT
ACROSS LA.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25025.
...THOMPSON
Posted: Thu Mar 31, 2005 6:15 pm
by WXBUFFJIM
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 115
NWS STORM PREDICTION CENTER NORMAN OK
505 PM CST THU MAR 31 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EAST AND NORTHEAST TEXAS
EFFECTIVE THIS THURSDAY AFTERNOON FROM 505 PM UNTIL MIDNIGHT CST.
HAIL TO 2.5 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 80
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST NORTHEAST
OF PARIS TEXAS TO 85 MILES SOUTHEAST OF WACO TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
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 114...
DISCUSSION...A STRONG MID LEVEL TROUGH OVER THE TX PANHANDLE/W TX
WILL MOVE EWD ACROSS OK/N TX THROUGH EARLY TONIGHT. AT THE
SURFACE...CYCLOGENESIS IS EXPECTED ALONG A RETREATING WARM
FRONT/MOISTURE GRADIENT REGION ACROSS NE TX...IN RESPONSE TO THE
APPROACHING MID LEVEL TROUGH. THUNDERSTORM INITIATION APPEARS
LIKELY INVOF OF THE DEVELOPING LOW IN NE TX NEAR TYR...AS WELL AS
NEAR I-35 AS A BELT OF MID LEVEL CONVECTION REACHES THE WRN EDGE OF
THE RICHER LOW-LEVEL MOISTURE. LOW-LEVEL SHEAR IS RELATIVELY WEAK
ACROSS MUCH OF NE TX AT THIS TIME...AND PROBABLY WILL NOT INCREASE
TOO MUCH UNTIL AFTER 03Z. THEREFORE...EXPECT SUPERCELLS WITH LARGE
HAIL AND DAMAGING WINDS TO BE THE MAIN SEVERE THREATS ACROSS NE
TX...WITH SOME INCREASE IN THE TORNADO THREAT EXPECTED LATER TONIGHT
ACROSS LA.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 25025.
...THOMPSON
Posted: Thu Mar 31, 2005 7:15 pm
by Yankeegirl
Still a little bit to north for us.....
SWW #118 in effect for Houston until 4 am cst
Posted: Thu Mar 31, 2005 10:15 pm
by WXBUFFJIM
Now you're under a severe thunderstorm watch Yankee in effect through midnight tonight. Hail and wind is the primary threat mainly from Houston north. But the entire metro including Galveston is included in this severe thunderstorm watch #118.
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 118
NWS STORM PREDICTION CENTER NORMAN OK
845 PM CST THU MAR 31 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHWEST LOUISIANA
SOUTHEAST TEXAS
COASTAL WATERS
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 845 PM UNTIL
400 AM CST.
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 130
STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF PORT
ARTHUR TEXAS TO 35 MILES SOUTH SOUTHEAST OF GALVESTON TEXAS. 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 115...WW 116...WW 117...
DISCUSSION...SEVERE STORMS ALONG SURFACE TROUGH IN CENTRAL TX WILL
CONTINUE TO MOVE EWD/ESEWD INTO SE TX. THE SUPERCELL AND BOW
STRUCTURES WILL BE MAINTAINED BY MODERATE INSTABILITY AND 0-6 KM
SHEAR OF ABOUT 50 KT...WITH A CONTINUED THREAT FOR LARGE HAIL AND
DAMAGING WINDS. OTHER STORMS MAY ALSO DEVELOP ACROSS SW LA WITHIN
THE WARM SECTOR WHERE THE CAP IS WEAK.
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 27025.
...THOMPSON