Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 186
NWS Storm Prediction Center Norman OK
800 PM CDT Mon May 17 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
North-central Texas
* Effective this Monday night and Tuesday morning from 800 PM
until 100 AM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
A tornado or two possible
SUMMARY...Cluster with embedded supercells should spread east from
the Big Country and western north Texas into north-central Texas
through about midnight. Greatest wind threat should be closer to
central Texas.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 15 miles southeast of
Brownwood TX to 20 miles east of Wichita Falls TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
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 181...WW 182...WW
183...WW 184...WW 185...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
29025.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 186 SEVERE TSTM TX 180100Z - 180600Z
AXIS..50 STATUTE MILES EAST AND WEST OF LINE..
15SE BWD/BROWNWOOD TX/ - 20E SPS/WICHITA FALLS TX/
..AVIATION COORDS.. 45NM E/W /75SE ABI - 22E SPS/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 29025.
LAT...LON 31649962 33979902 33979728 31649792
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 186 Status Report Messages:
STATUS REPORT #3 ON WW 186
VALID 180440Z - 180540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSE ABI
TO 35 WNW SEP TO 15 NNE MWL TO 40 ESE FSI.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 666
..DEAN..05/18/21
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WS 186
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC093-133-143-193-221-333-337-363-367-425-497-180540-
TX
. TEXAS COUNTIES INCLUDED ARE
COMANCHE EASTLAND ERATH
HAMILTON HOOD MILLS
MONTAGUE PALO PINTO PARKER
SOMERVELL WISE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 186
VALID 180255Z - 180340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DEAN..05/18/21
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WS 186
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC009-077-093-133-143-193-221-237-333-337-363-367-425-429-485-
497-503-180340-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER CLAY COMANCHE
EASTLAND ERATH HAMILTON
HOOD JACK MILLS
MONTAGUE PALO PINTO PARKER
SOMERVELL STEPHENS WICHITA
WISE YOUNG
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 186
VALID 180140Z - 180240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DEAN..05/18/21
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WS 186
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC009-077-093-133-143-193-221-237-333-337-363-367-425-429-485-
497-503-180240-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER CLAY COMANCHE
EASTLAND ERATH HAMILTON
HOOD JACK MILLS
MONTAGUE PALO PINTO PARKER
SOMERVELL STEPHENS WICHITA
WISE YOUNG
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (10%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (40%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (40%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
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 
@NWSSPC
