Severe Thunderstorm Watch 167

Issued

May 11, 2021, 8:34 PM CDT (01:34 UTC)

Expired

May 12, 2021, 4:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

Counties Brooks County, TX, Cameron County, TX, Hidalgo County, TX, Jim Hogg County, TX, Kenedy County, TX, Kleberg County, TX, Nueces County, TX, San Patricio County, TX, Starr County, TX, Willacy County, TX, Zapata County, TX

The Brownsville radar (KBRO), 113 km from the middle of the area, began a volume at 01:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

10%

One or more EF2 to EF5 tornadoes

2%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 596 Severe thunderstorm watch 165May 11, 5:23 PM CDT
• Mesoscale Discussion 598 Severe thunderstorm watch 165May 11, 8:02 PM CDT
• Mesoscale Discussion 600 Severe thunderstorm watch 167May 11, 10:47 PM CDT
• Mesoscale Discussion 601 Severe thunderstorm watch 167May 12, 1:41 AM CDT

985 
WWUS20 KWNS 120131
SEL7  
SPC WW 120131
TXZ000-CWZ000-120900-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 167
NWS Storm Prediction Center Norman OK
835 PM CDT Tue May 11 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Deep South Texas
  Coastal Waters

* Effective this Tuesday night and Wednesday morning from 835 PM
  until 400 AM CDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  Scattered damaging wind gusts to 70 mph possible

SUMMARY...Strong to severe thunderstorms are expected to continue to
build southward across Deep South Texas through the evening and
overnight period.  Locally damaging wind gusts and hail will be
possible in the more intense cells.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 20 miles south of Mcallen
TX to 10 miles west northwest of Corpus Christi TX. 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 165...WW 166...

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
30025.

...Hart

Severe Thunderstorm Watches in Texas, 2021Every severe thunderstorm watch in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.