Severe Thunderstorm Watch 261

Issued

Jun 11, 2021, 6:46 PM CDT (23:46 UTC)

Expired

Jun 12, 2021, 2:00 AM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

70 kt

The Wichita radar (KICT), 68 km from the middle of the area, began a volume at 23:49 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

10%

One or more EF2 to EF5 tornadoes

2%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

50%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 925 Severe thunderstorm watch 259Jun 11, 2:52 PM CDT
• Mesoscale Discussion 928 Severe thunderstorm watch 259...260Jun 11, 5:39 PM CDT
• Mesoscale Discussion 929 Severe potential...watch likelyJun 11, 6:18 PM CDT
• Mesoscale Discussion 932 Severe thunderstorm watch 261Jun 11, 9:20 PM CDT
• Mesoscale Discussion 933 Severe thunderstorm watch 261Jun 11, 11:37 PM CDT

259 
WWUS20 KWNS 112342
SEL1  
SPC WW 112342
KSZ000-OKZ000-120700-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 261
NWS Storm Prediction Center Norman OK
645 PM CDT Fri Jun 11 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  southeast Kansas
  north central and northeast Oklahoma

* Effective this Friday night and Saturday morning from 645 PM
  until 200 AM CDT.

* Primary threats include...
  Scattered damaging winds likely with isolated significant gusts
    to 80 mph possible
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible

SUMMARY...Storms developing along a cold front and
southward-advancing outflow boundaries will pose a risk for damaging
wind and hail as they develop through southeast Kansas and north
central through northeast Oklahoma this evening.

The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 40 miles north
northwest of Enid OK to 45 miles east southeast of Chanute KS. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).

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 259...WW 260...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
32035.

...Dial

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