Severe Thunderstorm Watch 547

Issued

Nov 10, 2021, 3:26 PM CST (21:26 UTC)

Expired

Nov 10, 2021, 10:00 PM CST

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Tulsa radar (KINX), 46 km from the middle of the area, began a volume at 21:28 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

60%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

50%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 1935 Severe potential...watch likelyNov 10, 1:26 PM CST
• Mesoscale Discussion 1937 Severe potential...watch likelyNov 10, 5:06 PM CST
• Mesoscale Discussion 1939 Severe thunderstorm watch 548Nov 10, 7:48 PM CST

257 
WWUS20 KWNS 102125
SEL7  
SPC WW 102125
KSZ000-OKZ000-TXZ000-110400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 547
NWS Storm Prediction Center Norman OK
325 PM CST Wed Nov 10 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southeast Kansas
  Central and Eastern Oklahoma
  Western North Texas

* Effective this Wednesday afternoon and evening from 325 PM
  until 1000 PM CST.

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

SUMMARY...Severe thunderstorms are expected to develop through late
afternoon initially across central Oklahoma into southeast Kansas,
with additional development and general eastward movement of these
storms into western North Texas and eastern Oklahoma by
early/mid-evening.

The severe thunderstorm watch area is approximately along and 80
statute miles east and west of a line from 15 miles west northwest
of Chanute KS to 45 miles south southwest of Ardmore OK. 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 546...

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 450. Mean storm motion vector
25025.

...Guyer

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