Severe Thunderstorm Watch 113

Issued

Apr 27, 2021, 1:57 PM CDT (18:57 UTC)

Expired

Apr 27, 2021, 9:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

65 kt

The Altus AFB radar (KFDR), 81 km from the middle of the area, began a volume at 18:56 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

20%

One or more EF2 to EF5 tornadoes

5%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 435 Severe potential...watch likelyApr 27, 1:17 PM CDT
• Mesoscale Discussion 436 Severe thunderstorm watch 113Apr 27, 3:30 PM CDT
• Mesoscale Discussion 439 Severe thunderstorm watch 113Apr 27, 5:52 PM CDT
• Mesoscale Discussion 441 Severe thunderstorm watch 113Apr 27, 8:01 PM CDT

973 
WWUS20 KWNS 271854
SEL3  
SPC WW 271854
OKZ000-TXZ000-280200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 113
NWS Storm Prediction Center Norman OK
155 PM CDT Tue Apr 27 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Western Oklahoma
  Western North Texas

* Effective this Tuesday afternoon and evening from 155 PM until
  900 PM CDT.

* Primary threats include...
  Scattered damaging winds likely with isolated significant gusts
    to 75 mph possible
  Scattered large hail likely with isolated very large hail events
    to 2.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Thunderstorms are expected to intensify along the dryline
over western Oklahoma and western north Texas this afternoon, with
large hail and damaging winds the main threat.  An isolated tornado
or two is also possible.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 80 miles south of
Childress TX to 25 miles northeast of Alva OK. 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 112...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
23030.

...Hart

Severe Thunderstorm Watches in Oklahoma, 2021Severe 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.