Source: US National Oceanic and Atmospheric Administration
Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.Note: Click for Watch Status Reports.
SEL6
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 446
NWS Storm Prediction Center Norman OK
910 PM CDT Thu Jun 19 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western into Central Minnesota
Southeast North Dakota
Northern into Northeast South Dakota
* Effective this Thursday night and Friday morning from 910 PM
until 400 AM CDT.
* Primary threats include…
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY…Isolated severe thunderstorms this evening will pose a
risk for large to very large hail and severe gusts. Thunderstorms
are forecast to increase in coverage late this evening into the
overnight. The risks for hail and wind will likely continue as the
expected thunderstorm activity gradually shifts from west to east
across the Watch area.
The severe thunderstorm watch area is approximately along and 100
statute miles north and south of a line from 55 miles southwest of
Jamestown ND to 65 miles east southeast of Alexandria MN. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU6).
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 443…WW 444…WW 445…
AVIATION…A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
30025.
…Smith
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW6
WW 446 SEVERE TSTM MN ND SD 200210Z – 200900Z
AXIS..100 STATUTE MILES NORTH AND SOUTH OF LINE..
55SW JMS/JAMESTOWN ND/ – 65ESE AXN/ALEXANDRIA MN/
..AVIATION COORDS.. 85NM N/S /54ESE BIS – 51S BRD/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 30025.
LAT…LON 47819950 46959416 44069416 44929950
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 446 Status Report Message has not been issued yet.
Note: Click for Complete Product Text.Tornadoes
Probability of 2 or more tornadoes
Low (10%)
Probability of 1 or more strong (EF2-EF5) tornadoes
Low ( 65 knots
Low (20%)
Hail
Probability of 10 or more severe hail events
Mod (40%)
Probability of 1 or more hailstones > 2 inches
Mod (40%)
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
High (70%)
For each watch, probabilities for particular events inside the watch (listed above in each table) are determined by the issuing forecaster. The “Low” category contains probability values ranging from less than 2% to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities), “Moderate” from 30% to 60%, and “High” from 70% to greater than 95%. High values are bolded and lighter in color to provide awareness of an increased threat for a particular event.