Severe Thunderstorm Watch 115

Issued

Apr 27, 2021, 8:23 PM CDT (01:23 UTC)

Expired

Apr 28, 2021, 3:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Altus AFB radar (KFDR), 96 km from the middle of the area, began a volume at 01:27 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

10%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

10%

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

80%

• Mesoscale Discussion 439 Severe thunderstorm watch 113Apr 27, 5:52 PM CDT
• Mesoscale Discussion 441 Severe thunderstorm watch 113Apr 27, 8:01 PM CDT
• Mesoscale Discussion 444 Severe thunderstorm watch 115Apr 27, 10:39 PM CDT
• Mesoscale Discussion 445 Severe thunderstorm watch 115Apr 28, 1:38 AM CDT

527 
WWUS20 KWNS 280122
SEL5  
SPC WW 280122
OKZ000-TXZ000-280800-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 115
NWS Storm Prediction Center Norman OK
825 PM CDT Tue Apr 27 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southern Oklahoma
  Western and Northern Texas

* Effective this Tuesday night and Wednesday morning from 825 PM
  until 300 AM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated very large hail events to 2 inches in diameter possible
  A tornado or two possible

SUMMARY...A broken band of storms will continue to move
east-northeastward across northern Texas and southern Oklahoma this
evening, with additional storm development occurring across west
Texas into the overnight. Damaging winds and severe hail are the
primary concerns, but a tornado could occur as well.

The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 45 miles northwest of
Ardmore OK to 30 miles southeast of Midland TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).

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 113...WW 114...

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
24025.

...Guyer

Severe Thunderstorm Watches in Texas, 2021Severe Thunderstorm Watches in Oklahoma, 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.