WW 345 SEVERE TSTM ND 202150Z – 210400Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 345
NWS Storm Prediction Center Norman OK
450 PM CDT Tue Jun 20 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central North Dakota
* Effective this Tuesday afternoon and evening from 450 PM until
1100 PM CDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2 inches in diameter possible
Scattered damaging wind gusts to 70 mph likely
A tornado or two possible
SUMMARY...Severe thunderstorms will form this afternoon along a
slow-moving front and persist through the evening. A mix of
multicell clusters and supercells is expected, with the potential
for large hail of 1-2 inches in diameter and severe outflow gusts of
60-70 mph. An isolated tornado or two will also be possible with
the initial storms.
The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 65 miles north northwest
of Devils Lake ND to 60 miles south of Bismarck ND. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
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 344...
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
21020.
...Thompson




