MIL-OSI USA: SPC Tornado Watch 245

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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.
SEL5

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 245
NWS Storm Prediction Center Norman OK
310 PM CDT Thu May 19 2022

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
North Central Iowa
Southern Minnesota
Southwest Wisconsin

* Effective this Thursday afternoon and evening from 310 PM until
1000 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 are expected to intensify this afternoon
along a surface warm front. A few supercells are expected, capable
of very large hail and a few tornadoes.

The tornado watch area is approximately along and 45 statute miles
north and south of a line from 30 miles west northwest of Fairmont
MN to 60 miles east of Rochester MN. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU5).

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.

&&

OTHER WATCH INFORMATION…CONTINUE…WW 243…WW 244…

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 24035.

…Hart

SEL5

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 245
NWS Storm Prediction Center Norman OK
310 PM CDT Thu May 19 2022

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
North Central Iowa
Southern Minnesota
Southwest Wisconsin

* Effective this Thursday afternoon and evening from 310 PM until
1000 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 are expected to intensify this afternoon
along a surface warm front. A few supercells are expected, capable
of very large hail and a few tornadoes.

The tornado watch area is approximately along and 45 statute miles
north and south of a line from 30 miles west northwest of Fairmont
MN to 60 miles east of Rochester MN. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU5).

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.

&&

OTHER WATCH INFORMATION…CONTINUE…WW 243…WW 244…

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 24035.

…Hart

Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW5
WW 245 TORNADO IA MN WI 192010Z – 200300Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
30WNW FRM/FAIRMONT MN/ – 60E RST/ROCHESTER MN/
..AVIATION COORDS.. 40NM N/S /40S RWF – 8E ODI/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.

LAT…LON 44479498 44569129 43269129 43169498

THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.

Watch 245 Status Report Message has not been issued yet.

Note:  Click for Complete Product Text.TornadoesProbability of 2 or more tornadoes

Mod (40%)

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

Low (20%)

WindProbability of 10 or more severe wind events

Mod (60%)

Probability of 1 or more wind events > 65 knots

Low (20%)

HailProbability of 10 or more severe hail events

High (70%)

Probability of 1 or more hailstones > 2 inches

Mod (60%)

Combined Severe Hail/WindProbability 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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