MIL-OSI USA: SPC Tornado Watch 451

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.
SEL1

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 451
NWS Storm Prediction Center Norman OK
255 PM CDT Sun Jun 22 2025

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
West-central and Northern Minnesota
Eastern North Dakota

* Effective this Sunday afternoon and evening from 255 PM until
1000 PM CDT.

* Primary threats include…
A few tornadoes and a couple intense tornadoes possible
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…Severe thunderstorms are expected to develop and move
northeast across the watch area this afternoon and evening. A few
tornadoes will be possible, including the potential for a couple
strong tornadoes. Large hail and damaging thunderstorm wind gusts
will also accompany the most intense storms.

The tornado watch area is approximately along and 70 statute miles
east and west of a line from 35 miles west northwest of
International Falls MN to 55 miles south southwest of Fargo ND. For
a complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).

PRECAUTIONARY/PREPAREDNESS ACTIONS…

REMEMBER…A Tornado Watch means conditions are favorable for
tornadoes and 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.

&&

AVIATION…Tornadoes and 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 550. Mean
storm motion vector 23030.

…Bunting

SEL1

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 451
NWS Storm Prediction Center Norman OK
255 PM CDT Sun Jun 22 2025

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
West-central and Northern Minnesota
Eastern North Dakota

* Effective this Sunday afternoon and evening from 255 PM until
1000 PM CDT.

* Primary threats include…
A few tornadoes and a couple intense tornadoes possible
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…Severe thunderstorms are expected to develop and move
northeast across the watch area this afternoon and evening. A few
tornadoes will be possible, including the potential for a couple
strong tornadoes. Large hail and damaging thunderstorm wind gusts
will also accompany the most intense storms.

The tornado watch area is approximately along and 70 statute miles
east and west of a line from 35 miles west northwest of
International Falls MN to 55 miles south southwest of Fargo ND. For
a complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).

PRECAUTIONARY/PREPAREDNESS ACTIONS…

REMEMBER…A Tornado Watch means conditions are favorable for
tornadoes and 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.

&&

AVIATION…Tornadoes and 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 550. Mean
storm motion vector 23030.

…Bunting

Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW1
WW 451 TORNADO MN ND 221955Z – 230300Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
35WNW INL/INTERNATIONAL FALLS MN/ – 55SSW FAR/FARGO ND/
..AVIATION COORDS.. 60NM E/W /30WNW INL – 38SSW FAR/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 23030.

LAT…LON 48759257 46179580 46179872 48759565

THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.

Watch 451 Status Report Message has not been issued yet.

Note:  Click for Complete Product Text.Tornadoes

Probability of 2 or more tornadoes

Mod (50%)

Probability of 1 or more strong (EF2-EF5) tornadoes

Mod (30%)

Wind

Probability of 10 or more severe wind events

Mod (40%)

Probability of 1 or more wind events > 65 knots

Low (10%)

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.

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