Severe Thunderstorm Watch 367

Issued

Jul 10, 2021, 3:02 PM CDT (20:02 UTC)

Expired

Jul 10, 2021, 11:00 PM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Tulsa radar (KINX), 104 km from the middle of the area, began a volume at 20:04 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

20%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 1236 Severe potential...watch possibleJul 10, 11:37 AM CDT
• Mesoscale Discussion 1238 Severe potential...watch likelyJul 10, 1:25 PM CDT
• Mesoscale Discussion 1240 Severe potential...watch likelyJul 10, 2:17 PM CDT
• Mesoscale Discussion 1247 Severe thunderstorm watch 367...368Jul 10, 7:21 PM CDT
• Mesoscale Discussion 1249 Severe thunderstorm watch 367Jul 10, 8:01 PM CDT
• Mesoscale Discussion 1251 Severe thunderstorm watch 367...368Jul 10, 9:21 PM CDT

611 
WWUS20 KWNS 102000
SEL7  
SPC WW 102000
ARZ000-KSZ000-MOZ000-OKZ000-110400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 367
NWS Storm Prediction Center Norman OK
300 PM CDT Sat Jul 10 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northwest Arkansas
  Southeast Kansas
  Southwest Missouri
  Northeast Oklahoma

* Effective this Saturday afternoon and evening from 300 PM until
  1100 PM CDT.

* 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...Isolated severe thunderstorms will be capable of large
hail and damaging winds initially, before evolving into a line with
an increasing risk for more widespread damaging winds this evening. 
A tornado or two is also possible.

The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 25 miles north
northwest of Enid OK to 35 miles north northeast of West Plains MO.
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 365...WW 366...

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
31025.

...Bunting

Severe Thunderstorm Watches in Missouri, 2021Severe Thunderstorm Watches in Oklahoma, 2021Severe Thunderstorm Watches in Arkansas, 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.