Severe Thunderstorm Watch 332

Issued

Jul 3, 2021, 3:33 PM MDT (21:33 UTC)

Expired

Jul 3, 2021, 10:00 PM MDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The North Platte radar (KLNX), 97 km from the middle of the area, began a volume at 21:35 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

5%

One or more EF2 to EF5 tornadoes

2%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

20%

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

70%

• Mesoscale Discussion 1143 Severe potential...watch possibleJul 3, 1:53 PM MDT
• Mesoscale Discussion 1146 Severe thunderstorm watch 332Jul 3, 5:33 PM MDT

708 
WWUS20 KWNS 032130
SEL2  
SPC WW 032130
COZ000-KSZ000-NEZ000-SDZ000-040400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 332
NWS Storm Prediction Center Norman OK
335 PM MDT Sat Jul 3 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Eastern Colorado
  Western Kansas
  Western Nebraska
  South-Central South Dakota

* Effective this Saturday afternoon and evening from 335 PM until
  1000 PM MDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  Scattered damaging wind gusts to 70 mph possible

SUMMARY...Thunderstorms are expected to intensify along an axis from
eastern Colorado into southern South Dakota this afternoon and
evening.  The strongest cells in this zone will pose a risk of
damaging wind gusts and large hail.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 30 miles west northwest
of Pierre SD to 15 miles southwest of La Junta CO. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).

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.

&&

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
27025.

...Hart

Severe Thunderstorm Watches in Nebraska, 2021Severe Thunderstorm Watches in Colorado, 2021Severe Thunderstorm Watches in South Dakota, 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.