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The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 879
NWS STORM PREDICTION CENTER NORMAN OK
1200 PM CST THU DEC 21 2006
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTH CENTRAL AND SOUTHEAST TEXAS
COASTAL WATERS
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM NOON UNTIL 600
PM 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 75
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTHEAST OF
BEEVILLE TEXAS TO 55 MILES NORTH OF PALACIOS TEXAS. 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.
DISCUSSION...ELEVATED STRONG/SEVERE THUNDERSTORMS CONTINUE TO
DEVELOP ACROSS PARTS OF S CENTRAL TX. THERE HAVE BEEN REPORTS OF
HAIL UP TO 1.75 INCHES ALREADY ON EDGE OF AREA WHERE MUCAPE IS
500-1000 J/KG. RUC SOUNDINGS SHOW LAPSE RATES NEAR 8C/KG IN THE
H70-H50 LAYER SUPPORTING HAIL IN THESE ELEVATED STORMS. ACTIVITY IS
OCCURRING IN AXIS OF UPPER LEVEL DIVERGENCE INDICATING AREA OF
ENHANCED ASCENT. ADDITIONAL THREAT BESIDES HAIL IS 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 400. MEAN STORM
MOTION VECTOR 24030.
...MCCARTHY
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 879
NWS STORM PREDICTION CENTER NORMAN OK
1200 PM CST THU DEC 21 2006
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTH CENTRAL AND SOUTHEAST TEXAS
COASTAL WATERS
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM NOON UNTIL 600
PM 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 75
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTHEAST OF
BEEVILLE TEXAS TO 55 MILES NORTH OF PALACIOS TEXAS. 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.
DISCUSSION...ELEVATED STRONG/SEVERE THUNDERSTORMS CONTINUE TO
DEVELOP ACROSS PARTS OF S CENTRAL TX. THERE HAVE BEEN REPORTS OF
HAIL UP TO 1.75 INCHES ALREADY ON EDGE OF AREA WHERE MUCAPE IS
500-1000 J/KG. RUC SOUNDINGS SHOW LAPSE RATES NEAR 8C/KG IN THE
H70-H50 LAYER SUPPORTING HAIL IN THESE ELEVATED STORMS. ACTIVITY IS
OCCURRING IN AXIS OF UPPER LEVEL DIVERGENCE INDICATING AREA OF
ENHANCED ASCENT. ADDITIONAL THREAT BESIDES HAIL IS 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 400. MEAN STORM
MOTION VECTOR 24030.
...MCCARTHY
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 879 SEVERE TSTM TX CW 211800Z - 220000Z
AXIS..75 STATUTE MILES EAST AND WEST OF LINE..
50SE NIR/BEEVILLE TX/ - 55N PSX/PALACIOS TX/
..AVIATION COORDS.. 65NM E/W /19E CRP - 46N PSX/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 24030.
LAT...LON 27859831 29529750 29529500 27859586
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 879 Status Report Messages:
STATUS REPORT #5 ON WW 879
VALID 212330Z - 220000Z
ISOLATED SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 E
CRP TO 50 NW LBX.
WW 879 WILL BE ALLOWED TO EXPIRE AT 220000Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2297.
..MEAD..12/21/06
ATTN...WFO...CRP...HGX...EWX...
&&
STATUS REPORT FOR WS 879
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC015-039-089-157-167-201-291-321-339-473-481-220000-
TX
. TEXAS COUNTIES INCLUDED ARE
AUSTIN BRAZORIA COLORADO
FORT BEND GALVESTON HARRIS
LIBERTY MATAGORDA MONTGOMERY
WALLER WHARTON
$$
GMZ255-330-335-350-220000-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20
NM
MATAGORDA BAY
GALVESTON BAY
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 879
VALID 212230Z - 212340Z
ISOLATED SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25
ENE CRP TO 55 WNW LBX.
..MEAD..12/21/06
ATTN...WFO...CRP...HGX...EWX...
&&
STATUS REPORT FOR WS 879
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC015-039-057-089-157-167-201-239-291-321-339-473-481-212340-
TX
. TEXAS COUNTIES INCLUDED ARE
AUSTIN BRAZORIA CALHOUN
COLORADO FORT BEND GALVESTON
HARRIS JACKSON LIBERTY
MATAGORDA MONTGOMERY WALLER
WHARTON
$$
GMZ255-330-335-350-212340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20
NM
MATAGORDA BAY
GALVESTON BAY
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 879
VALID 212145Z - 212240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 E CRP TO
50 NNE VCT.
..BROYLES..12/21/06
ATTN...WFO...CRP...HGX...EWX...
&&
STATUS REPORT FOR WS 879
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC015-039-057-089-157-167-201-239-291-321-339-473-481-212240-
TX
. TEXAS COUNTIES INCLUDED ARE
AUSTIN BRAZORIA CALHOUN
COLORADO FORT BEND GALVESTON
HARRIS JACKSON LIBERTY
MATAGORDA MONTGOMERY WALLER
WHARTON
$$
GMZ255-330-335-350-212240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT 20
NM
MATAGORDA BAY
GALVESTON BAY
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 879
VALID 211950Z - 212040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..12/21/06
ATTN...WFO...CRP...HGX...EWX...
&&
STATUS REPORT FOR WS 879
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-015-025-039-057-123-157-167-175-177-201-239-255-285-291-
297-321-339-391-409-469-473-481-212040-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS AUSTIN BEE
BRAZORIA CALHOUN DEWITT
FORT BEND GALVESTON GOLIAD
GONZALES HARRIS JACKSON
KARNES LAVACA LIBERTY
LIVE OAK MATAGORDA MONTGOMERY
REFUGIO SAN PATRICIO VICTORIA
WALLER WHARTON
$$
GMZ235-255-330-335-350-212040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O
STATUS REPORT #1 ON WW 879
VALID 211930Z - 212040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..12/21/06
ATTN...WFO...CRP...HGX...EWX...
&&
STATUS REPORT FOR WS 879
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-025-039-057-123-167-175-177-187-239-255-285-297-321-391-
409-469-481-493-212040-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS BEE BRAZORIA
CALHOUN DEWITT GALVESTON
GOLIAD GONZALES GUADALUPE
JACKSON KARNES LAVACA
LIVE OAK MATAGORDA REFUGIO
SAN PATRICIO VICTORIA WHARTON
WILSON
$$
GMZ235-255-330-335-350-212040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O
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