Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 230
NWS Storm Prediction Center Norman OK
125 PM CDT Wed May 27 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and Southeast Texas
Coastal Waters
* Effective this Wednesday afternoon and evening from 125 PM
until 900 PM CDT.
* Primary threats include...
Widespread large hail and isolated very large hail events to 3
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely
A tornado or two possible
SUMMARY...Intense thunderstorms will continue to develop across the
central Texas this afternoon and track southeastward toward the
coast. Very large hail and damaging wind gusts are the primary
threats.
The severe thunderstorm watch area is approximately along and 65
statute miles either side of a line from 25 miles southwest of
Stephenville TX to 20 miles south southeast of Galveston TX. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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.
&&
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
29030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 230 SEVERE TSTM TX CW 271825Z - 280200Z
AXIS..65 STATUTE MILES EITHER SIDE OF LINE..
25SW SEP/STEPHENVILLE TX/ - 20SSE GLS/GALVESTON TX/
..AVIATION COORDS.. 55NM EITHER SIDE /64WNW ACT - 66SE IAH/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 29030.
LAT...LON 32719781 29819397 28319527 31219914
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 230 Status Report Messages:
STATUS REPORT #5 ON WW 230
VALID 280020Z - 280140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 50 WNW AUS
TO 30 N AUS TO 35 E TPL TO 15 NE CLL TO 25 ESE CLL TO 40 NW HOU
TO 15 W HOU TO 55 SSE LBX.
..JEWELL..05/28/20
ATTN...WFO...HGX...EWX...FWD...LCH...
&&
STATUS REPORT FOR WS 230
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC015-039-041-051-089-157-185-321-331-473-477-481-280140-
TX
. TEXAS COUNTIES INCLUDED ARE
AUSTIN BRAZORIA BRAZOS
BURLESON COLORADO FORT BEND
GRIMES MATAGORDA MILAM
WALLER WASHINGTON WHARTON
$$
GMZ350-280140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20
NM
$$
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.
$$
STATUS REPORT #4 ON WW 230
VALID 272245Z - 272340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 WNW SEP
TO 10 SW SEP TO 15 ENE CLL TO 45 SSW UTS TO 15 W HOU TO 15 E HOU
TO 40 W BPT TO 45 SSE LFK.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 747
..JEWELL..05/27/20
ATTN...WFO...HGX...EWX...FWD...LCH...
&&
STATUS REPORT FOR WS 230
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC015-027-039-041-051-071-089-093-099-133-157-167-185-193-199-
245-281-321-331-333-361-473-477-481-272340-
TX
. TEXAS COUNTIES INCLUDED ARE
AUSTIN BELL BRAZORIA
BRAZOS BURLESON CHAMBERS
COLORADO COMANCHE CORYELL
EASTLAND FORT BEND GALVESTON
GRIMES HAMILTON HARDIN
JEFFERSON LAMPASAS MATAGORDA
MILAM MILLS ORANGE
WALLER WASHINGTON WHARTON
$$
GMZ335-350-355-430-450-272340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
GALVESTON BAY
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20
NM
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM
SABINE LAKE
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND 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 230
VALID 272140Z - 272240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WSW MWL
TO 10 WSW SEP TO 15 ENE CLL TO 20 NE UTS.
..JEWELL..05/27/20
ATTN...WFO...HGX...EWX...FWD...LCH...
&&
STATUS REPORT FOR WS 230
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC015-021-027-031-039-041-051-053-071-089-093-099-133-149-157-
167-171-185-193-199-201-245-281-287-291-299-321-331-333-339-361-
407-453-471-473-477-481-491-272240-
TX
. TEXAS COUNTIES INCLUDED ARE
AUSTIN BASTROP BELL
BLANCO BRAZORIA BRAZOS
BURLESON BURNET CHAMBERS
COLORADO COMANCHE CORYELL
EASTLAND FAYETTE FORT BEND
GALVESTON GILLESPIE GRIMES
HAMILTON HARDIN HARRIS
JEFFERSON LAMPASAS LEE
LIBERTY LLANO MATAGORDA
MILAM MILLS MONTGOMERY
ORANGE SAN JACINTO TRAVIS
WALKER WALLER WASHINGTON
WHARTON WILLIAMSON
$$
GMZ335-350-355-430-450-272240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
GALVESTON BAY
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20
NM
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM
SABINE LAKE
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM
$$
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.
$$
STATUS REPORT #2 ON WW 230
VALID 272045Z - 272140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 WSW SEP
TO 15 ENE CLL TO 15 NNE UTS.
..KERR..05/27/20
ATTN...WFO...HGX...EWX...FWD...LCH...
&&
STATUS REPORT FOR WS 230
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC015-021-027-031-039-041-051-053-071-089-093-099-149-157-167-
171-185-193-199-201-245-281-287-291-299-321-331-333-339-361-407-
453-471-473-477-481-491-272140-
TX
. TEXAS COUNTIES INCLUDED ARE
AUSTIN BASTROP BELL
BLANCO BRAZORIA BRAZOS
BURLESON BURNET CHAMBERS
COLORADO COMANCHE CORYELL
FAYETTE FORT BEND GALVESTON
GILLESPIE GRIMES HAMILTON
HARDIN HARRIS JEFFERSON
LAMPASAS LEE LIBERTY
LLANO MATAGORDA MILAM
MILLS MONTGOMERY ORANGE
SAN JACINTO TRAVIS WALKER
WALLER WASHINGTON WHARTON
WILLIAMSON
$$
GMZ335-350-355-430-450-272140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
GALVESTON BAY
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20
NM
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM
SABINE LAKE
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND 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 #1 ON WW 230
VALID 271940Z - 272040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 SW SEP TO
35 E TPL TO 45 NNW UTS.
..KERR..05/27/20
ATTN...WFO...HGX...EWX...FWD...LCH...
&&
STATUS REPORT FOR WS 230
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC015-021-027-031-039-041-051-053-071-089-093-099-145-149-157-
167-171-185-193-199-201-245-281-287-289-291-299-313-321-331-333-
339-361-395-407-453-471-473-477-481-491-272040-
TX
. TEXAS COUNTIES INCLUDED ARE
AUSTIN BASTROP BELL
BLANCO BRAZORIA BRAZOS
BURLESON BURNET CHAMBERS
COLORADO COMANCHE CORYELL
FALLS FAYETTE FORT BEND
GALVESTON GILLESPIE GRIMES
HAMILTON HARDIN HARRIS
JEFFERSON LAMPASAS LEE
LEON LIBERTY LLANO
MADISON MATAGORDA MILAM
MILLS MONTGOMERY ORANGE
ROBERTSON SAN JACINTO TRAVIS
WALKER WALLER WASHINGTON
WHARTON WILLIAMSON
$$
GMZ335-350-355-430-450-272040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
GALVESTON BAY
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT 20
NM
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM
SABINE LAKE
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM
$$
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.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
High (80%)
|
Probability of 1 or more hailstones > 2 inches
|
High (70%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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% (EF2-EF5 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.