Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 173
NWS Storm Prediction Center Norman OK
330 PM CDT Fri May 17 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest Texas
* Effective this Friday afternoon and evening from 330 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely
A tornado or two possible
SUMMARY...A few supercell thunderstorms are expected to form this
afternoon over the watch area, posing a risk of very large hail and
perhaps a tornado.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 60 miles northeast of
Fort Stockton TX to 35 miles south of Dryden TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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 171...WW 172...
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 500. Mean storm motion vector
26030.
...Hart
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 173
NWS Storm Prediction Center Norman OK
330 PM CDT Fri May 17 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southwest Texas
* Effective this Friday afternoon and evening from 330 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely
A tornado or two possible
SUMMARY...A few supercell thunderstorms are expected to form this
afternoon over the watch area, posing a risk of very large hail and
perhaps a tornado.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 60 miles northeast of
Fort Stockton TX to 35 miles south of Dryden TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
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 171...WW 172...
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 500. Mean storm motion vector
26030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 173 SEVERE TSTM TX 172030Z - 180400Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
60NE FST/FORT STOCKTON TX/ - 35S 6R6/DRYDEN TX/
..AVIATION COORDS.. 50NM E/W /29S MAF - 76W DLF/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26030.
LAT...LON 31530118 29530120 29530320 31530322
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 173 Status Report Messages:
STATUS REPORT #4 ON WW 173
VALID 180355Z - 180440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WNW DRT
TO 40 N 6R6 TO 40 SE MAF.
..GOSS..05/18/19
ATTN...WFO...MAF...SJT...EWX...
&&
STATUS REPORT FOR WS 173
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC105-383-180440-
TX
. TEXAS COUNTIES INCLUDED ARE
CROCKETT REAGAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 173
VALID 180125Z - 180240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 SSW 6R6
TO 40 WNW 6R6 TO 30 SW FST.
..GOSS..05/18/19
ATTN...WFO...MAF...SJT...EWX...
&&
STATUS REPORT FOR WS 173
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC043-103-105-371-383-443-461-465-180240-
TX
. TEXAS COUNTIES INCLUDED ARE
BREWSTER CRANE CROCKETT
PECOS REAGAN TERRELL
UPTON VAL VERDE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 173
VALID 172345Z - 180040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 SSW 6R6
TO 40 WNW 6R6 TO 30 SW FST.
..GOSS..05/17/19
ATTN...WFO...MAF...SJT...EWX...
&&
STATUS REPORT FOR WS 173
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC043-103-105-371-383-443-461-465-180040-
TX
. TEXAS COUNTIES INCLUDED ARE
BREWSTER CRANE CROCKETT
PECOS REAGAN TERRELL
UPTON VAL VERDE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 173
VALID 172140Z - 172240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GOSS..05/17/19
ATTN...WFO...MAF...SJT...EWX...
&&
STATUS REPORT FOR WS 173
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC043-103-105-371-383-443-461-465-172240-
TX
. TEXAS COUNTIES INCLUDED ARE
BREWSTER CRANE CROCKETT
PECOS REAGAN TERRELL
UPTON VAL VERDE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
High (70%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (60%)
|
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.
weather.gov 
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