Tornado Watch 21

Issued

Mar 13, 2021, 3:23 PM CST (21:23 UTC)

Expired

Mar 13, 2021, 9:38 PM CST

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

70 kt

The San Angelo radar (KSJT), 85 km from the middle of the area, began a volume at 21:23 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

30%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

50%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 166 Severe potential...watch likelyMar 13, 2:39 PM CST
• Mesoscale Discussion 170 Tornado watch 21Mar 13, 6:21 PM CST
• Mesoscale Discussion 173 Tornado watch 20...21Mar 13, 8:42 PM CST

723 
WWUS20 KWNS 132120
SEL1  
SPC WW 132120
TXZ000-140400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 21
NWS Storm Prediction Center Norman OK
320 PM CST Sat Mar 13 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  West Texas

* Effective this Saturday afternoon and evening from 320 PM until
  1000 PM CST.

* Primary threats include...
  A couple tornadoes possible
  Scattered damaging winds and isolated significant gusts to 80
    mph possible
  Isolated very large hail events to 2.5 inches in diameter
    possible

SUMMARY...Initial clusters should evolve into a linear segment that
may attempt to bow across eastern portions of the Permian Basin into
the Big Country. A couple tornadoes are possible later this evening
as the bowing line intensifies or if a trailing semi-discrete
supercell can be maintained across the Lower Pecos Valley.

The tornado watch area is approximately along and 55 statute miles
east and west of a line from 80 miles northeast of Big Spring TX to
55 miles south southeast of Fort Stockton TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 19...WW 20...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24040.

...Grams

Tornado Watches in Texas, 2021Every tornado 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.