Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 157
NWS STORM PREDICTION CENTER NORMAN OK
725 PM CDT FRI MAY 10 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHCENTRAL TEXAS
COASTAL WATERS
* EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 725 PM
UNTIL 200 AM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST
NORTHWEST OF LAREDO TEXAS TO 40 MILES SOUTH SOUTHEAST OF VICTORIA
TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 156...
DISCUSSION...SEVERE THUNDERSTORMS ARE CURRENTLY MOVING SOUTHEASTWARD
INTO SOUTHCENTRAL TEXAS AND SHOULD CONTINUE TO HAVE A SEVERE THREAT
THIS EVENING. LARGE HAIL AND WIND DAMAGE WILL BE PRIMARY THREATS AND
THE STORMS COULD REACH THE TX COAST LATER THIS EVENING.
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.
...BROYLES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW7
WW 157 SEVERE TSTM TX CW 110025Z - 110700Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
25WNW LRD/LAREDO TX/ - 40SSE VCT/VICTORIA TX/
..AVIATION COORDS.. 40NM N/S /26WNW LRD - 33SW PSX/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 30030.
LAT...LON 28349984 28969666 27659666 27049984
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 157 Status Report Messages:
STATUS REPORT #6 ON WW 157
VALID 110630Z - 110700Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 ESE LRD
TO 45 W ALI TO 20 NW ALI TO 30 SSW ALI.
WW 157 WILL BE ALLOWED TO EXPIRE AT 110700Z.
..DIAL..05/11/13
ATTN...WFO...CRP...
&&
STATUS REPORT FOR WS 157
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC131-110700-
TX
. TEXAS COUNTIES INCLUDED ARE
DUVAL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 157
VALID 110630Z - 110740Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SE LRD TO
40 ENE LRD TO 20 NW ALI TO 30 SSW ALI.
..DIAL..05/11/13
ATTN...WFO...CRP...
&&
STATUS REPORT FOR WS 157
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC131-110740-
TX
. TEXAS COUNTIES INCLUDED ARE
DUVAL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 157
VALID 110540Z - 110640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NW LRD TO
30 NW ALI TO 25 S ALI.
..DIAL..05/11/13
ATTN...WFO...CRP...
&&
STATUS REPORT FOR WS 157
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC131-479-110640-
TX
. TEXAS COUNTIES INCLUDED ARE
DUVAL WEBB
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 157
VALID 110340Z - 110440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WNW NIR
TO 30 SSW ALI.
..HART..05/11/13
ATTN...WFO...CRP...
&&
STATUS REPORT FOR WS 157
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC131-283-311-479-110440-
TX
. TEXAS COUNTIES INCLUDED ARE
DUVAL LA SALLE MCMULLEN
WEBB
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 157
VALID 110245Z - 110340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..05/11/13
ATTN...WFO...CRP...
&&
STATUS REPORT FOR WS 157
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-025-057-131-175-249-273-283-297-311-355-391-409-469-479-
110340-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS BEE CALHOUN
DUVAL GOLIAD JIM WELLS
KLEBERG LA SALLE LIVE OAK
MCMULLEN NUECES REFUGIO
SAN PATRICIO VICTORIA WEBB
$$
GMZ230-235-110340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O?CONNOR
$$
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.
$$
STATUS REPORT #1 ON WW 157
VALID 110140Z - 110240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..PETERS..05/11/13
ATTN...WFO...CRP...
&&
STATUS REPORT FOR WS 157
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC007-025-057-131-175-249-273-283-297-311-355-391-409-469-479-
110240-
TX
. TEXAS COUNTIES INCLUDED ARE
ARANSAS BEE CALHOUN
DUVAL GOLIAD JIM WELLS
KLEBERG LA SALLE LIVE OAK
MCMULLEN NUECES REFUGIO
SAN PATRICIO VICTORIA WEBB
$$
GMZ230-235-110240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
BAYS AND WATERWAYS FROM BAFFIN BAY TO PORT ARANSAS
BAYS AND WATERWAYS FROM PORT ARANSAS TO PORT O?CONNOR
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (50%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Mod (60%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
weather.gov 
@NWSSPC
