Severe Thunderstorm Watch 244

Issued

Jun 7, 2021, 5:45 PM CDT (22:45 UTC)

Expired

Jun 8, 2021, 2:00 AM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Aberdeen radar (KABR), 138 km from the middle of the area, began a volume at 22:48 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

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

80%

• Mesoscale Discussion 871 Severe potential...watch possibleJun 7, 5:08 PM CDT
• Mesoscale Discussion 875 Severe thunderstorm watch 244Jun 7, 8:35 PM CDT
• Mesoscale Discussion 877 Severe thunderstorm watch 244Jun 7, 11:33 PM CDT

865 
WWUS20 KWNS 072240
SEL4  
SPC WW 072240
MNZ000-NDZ000-SDZ000-080500-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 244
NWS Storm Prediction Center Norman OK
540 PM CDT Mon Jun 7 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Parts of northwestern Minnesota
  South central into east central North Dakota
  North central South Dakota

* Effective this Monday afternoon from 540 PM until Midnight CDT.

* 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...High-based thunderstorm development is expected this
evening across north central South Dakota and south central North
Dakota, and additional elevated storms will persist in the short
term near the North Dakota/Minnesota border.  The convection is
expected to increase in coverage and intensity this evening while
spreading east-northeastward, with a mix of multicell clusters and
some supercell structures possible.  Large hail and damaging winds
can be expected with the strongest storms into early tonight.

The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 15 miles north
northwest of Mobridge SD to 30 miles south southeast of Thief River
Falls MN. For a complete depiction of the watch see the associated
watch outline update (WOUS64 KWNS WOU4).

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 242...WW 243...

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 550. Mean storm motion vector
24025.

...Thompson

Severe Thunderstorm Watches in North Dakota, 2021Severe Thunderstorm Watches in Minnesota, 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.