Severe Thunderstorm Watch 259

Issued

Jun 11, 2021, 12:32 PM CDT (17:32 UTC)

Expired

Jun 11, 2021, 7:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

75 kt

The Pleasant Hill radar (KEAX), 63 km from the middle of the area, began a volume at 17:35 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

5%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

60%

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 924 Severe thunderstorm watch 259Jun 11, 1:55 PM CDT
• Mesoscale Discussion 925 Severe thunderstorm watch 259Jun 11, 2:52 PM CDT
• Mesoscale Discussion 927 Severe thunderstorm watch 259Jun 11, 3:28 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

623 
WWUS20 KWNS 111730
SEL9  
SPC WW 111730
KSZ000-MOZ000-120000-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 259
NWS Storm Prediction Center Norman OK
1230 PM CDT Fri Jun 11 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Eastern Kansas
  Northwest to west-central Missouri

* Effective this Friday afternoon and evening from 1230 PM until
  700 PM CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 85
    mph likely
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter possible

SUMMARY...Cluster of strong to severe storms is expected to
intensify through at least late afternoon. Large hail will be most
likely with updrafts along the southwest flank of the cluster.
Damaging wind gusts are expected to be the primary hazard.

The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 25 miles south of
Chillicothe MO to 50 miles west of Emporia KS. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

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 258...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 75 knots. A
few cumulonimbi with maximum tops to 650. Mean storm motion vector
33030.

...Grams

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