Severe Thunderstorm Watch 310

Issued

Jun 24, 2021, 3:56 PM MDT (21:56 UTC)

Expired

Jun 24, 2021, 10:00 PM MDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

70 kt

The Goodland radar (KGLD), 38 km from the middle of the area, began a volume at 21:58 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

50%

One or more gusts of 65 knots or more

40%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 1077 Severe potential...watch possibleJun 24, 1:49 PM MDT
• Mesoscale Discussion 1079 Severe potential...watch unlikelyJun 24, 2:14 PM MDT
• Mesoscale Discussion 1083 Severe thunderstorm watch 310Jun 24, 5:31 PM MDT
• Mesoscale Discussion 1085 Severe thunderstorm watch 310Jun 24, 7:13 PM MDT
• Mesoscale Discussion 1087 Severe thunderstorm watch 310Jun 24, 9:30 PM MDT

004 
WWUS20 KWNS 242153
SEL0  
SPC WW 242153
COZ000-KSZ000-NEZ000-250400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 310
NWS Storm Prediction Center Norman OK
355 PM MDT Thu Jun 24 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Eastern Colorado
  Western Kansas
  Far southwest Nebraska

* Effective this Thursday afternoon and evening from 355 PM until
  1000 PM MDT.

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

SUMMARY...Storm cluster along the Palmer Divide in east-central
Colorado will likely spread east into northwest Kansas. Additional
high-based cells may develop into a cluster from southeast Colorado
into southwest Kansas.

The severe thunderstorm watch area is approximately along and 80
statute miles north and south of a line from 65 miles north of La
Junta CO to 75 miles south southeast of Mccook NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU0).

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 309...

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
25030.

...Grams

Severe Thunderstorm Watches in Kansas, 2021Severe Thunderstorm Watches in Colorado, 2021Severe Thunderstorm Watches in Nebraska, 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.