Tornado Watch 133

Issued

May 3, 2021, 3:48 PM CDT (20:48 UTC)

Expired

May 3, 2021, 11:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

3.5 in

Strongest gust expected

70 kt

The Norman radar (KTLX), 193 km from the middle of the area, began a volume at 20:46 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

60%

One or more EF2 to EF5 tornadoes

40%

Ten or more severe wind reports

70%

One or more gusts of 65 knots or more

60%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

60%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 498 Severe potential...tornado watch likelyMay 3, 3:14 PM CDT
• Mesoscale Discussion 505 Tornado watch 133May 3, 5:55 PM CDT
• Mesoscale Discussion 509 Tornado watch 133May 3, 7:38 PM CDT
• Mesoscale Discussion 513 Tornado watch 133May 3, 9:52 PM CDT

892 
WWUS20 KWNS 032045
SEL3  
SPC WW 032045
OKZ000-TXZ000-040400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 133
NWS Storm Prediction Center Norman OK
350 PM CDT Mon May 3 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Southeast Oklahoma
  North-central Texas

* Effective this Monday afternoon and evening from 350 PM until
  1100 PM CDT.

* Primary threats include...
  A few tornadoes likely with a couple intense tornadoes possible
  Scattered damaging winds and isolated significant gusts to 80
    mph likely
  Scattered large hail and isolated very large hail events to 3.5
    inches in diameter likely

SUMMARY...Intense supercells are expected to initiate along the
dryline in north-central Texas and the surface front in southeast
Oklahoma by about 6 PM CDT. Very large hail will be the primary
initial threat, but tornadoes and significant severe winds will be
possible as well. Supercells should grow upscale into one or more
clusters with an increasing risk of damaging winds this evening.

The tornado watch area is approximately along and 60 statute miles
east and west of a line from 10 miles northeast of Muskogee OK to 40
miles southwest of Waco TX. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU3).

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 128...WW 129...WW
130...WW 131...WW 132...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3.5 inches. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 600. Mean
storm motion vector 25030.

...Grams

Tornado Watches in Texas, 2021Tornado Watches in Oklahoma, 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.