MIL-OSI USA: SPC Tornado Watch 423

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.
SEL3

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 423
NWS Storm Prediction Center Norman OK
255 PM CDT Mon Jun 16 2025

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
Central Minnesota
Western Wisconsin

* Effective this Monday afternoon and evening from 255 PM until
900 PM CDT.

* Primary threats include…
A couple tornadoes possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely

SUMMARY…Thunderstorms will intensify this afternoon near a cold
front sweeping eastward across the Minnesota, with a few supercells
expected. Large hail is the main concern, but the strongest storms
may also pose a risk of damaging winds and a few tornadoes.

The tornado watch area is approximately along and 70 statute miles
north and south of a line from 20 miles west of Alexandria MN to 80
miles northeast of Minneapolis MN. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU3).

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 500. Mean
storm motion vector 27030.

…Hart

SEL3

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 423
NWS Storm Prediction Center Norman OK
255 PM CDT Mon Jun 16 2025

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
Central Minnesota
Western Wisconsin

* Effective this Monday afternoon and evening from 255 PM until
900 PM CDT.

* Primary threats include…
A couple tornadoes possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely

SUMMARY…Thunderstorms will intensify this afternoon near a cold
front sweeping eastward across the Minnesota, with a few supercells
expected. Large hail is the main concern, but the strongest storms
may also pose a risk of damaging winds and a few tornadoes.

The tornado watch area is approximately along and 70 statute miles
north and south of a line from 20 miles west of Alexandria MN to 80
miles northeast of Minneapolis MN. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU3).

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 500. Mean
storm motion vector 27030.

…Hart

Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW3
WW 423 TORNADO MN WI 161955Z – 170200Z
AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE..
20W AXN/ALEXANDRIA MN/ – 80NE MSP/MINNEAPOLIS MN/
..AVIATION COORDS.. 60NM N/S /68SE FAR – 53NNW EAU/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27030.

LAT…LON 46889582 46719205 44689205 44869582

THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.

Watch 423 Status Report Message has not been issued yet.

Note:  Click for Complete Product Text.Tornadoes

Probability of 2 or more tornadoes

Mod (40%)

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

Low (20%)

Wind

Probability of 10 or more severe wind events

Mod (60%)

Probability of 1 or more wind events > 65 knots

Low (20%)

Hail

Probability of 10 or more severe hail events

Mod (60%)

Probability of 1 or more hailstones > 2 inches

Mod (60%)

Combined Severe Hail/Wind

Probability of 6 or more combined severe hail/wind events

High (>95%)

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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