Storm Prediction Center Severe Thunderstorm Watch 34
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10 hours ago
Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended. Note: Click for Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 34
NWS Storm Prediction Center Norman OK
540 PM CDT Fri Mar 14 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Iowa
South-Central and Southeast Minnesota
Far Southwest Wisconsin
* Effective this Friday afternoon and Saturday morning from 540
PM until 100 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Strong to severe thunderstorms ongoing across Iowa will
continue to spread northward/northeastward over the next few hours.
The environment is expected to remain supportive of large hail and
strong/damaging wind gusts across northern Iowa,
south-central/southeast Minnesota, and far southwest Wisconsin
throughout the evening.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 45 miles southwest of
Worthington MN to 45 miles east southeast of La Crosse WI. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).
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 30...WW 31...WW 32...WW
33...
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 500. Mean storm motion vector
24035.
...Mosier
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 34
NWS Storm Prediction Center Norman OK
540 PM CDT Fri Mar 14 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Iowa
South-Central and Southeast Minnesota
Far Southwest Wisconsin
* Effective this Friday afternoon and Saturday morning from 540
PM until 100 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Strong to severe thunderstorms ongoing across Iowa will
continue to spread northward/northeastward over the next few hours.
The environment is expected to remain supportive of large hail and
strong/damaging wind gusts across northern Iowa,
south-central/southeast Minnesota, and far southwest Wisconsin
throughout the evening.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 45 miles southwest of
Worthington MN to 45 miles east southeast of La Crosse WI. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).
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 30...WW 31...WW 32...WW
33...
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 500. Mean storm motion vector
24035.
...Mosier
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 34 SEVERE TSTM IA MN WI 142240Z - 150600Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
45SW OTG/WORTHINGTON MN/ - 45ESE LSE/LA CROSSE WI/
..AVIATION COORDS.. 40NM N/S /37SE FSD - 29W DLL/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 43849621 44289042 42989042 42549621
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 34 Status Report Messages:
STATUS REPORT #1 ON WW 34
VALID 142250Z - 142340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..LYONS..03/14/25
ATTN...WFO...ARX...FSD...DMX...MPX...
&&
STATUS REPORT FOR WS 34
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-021-033-035-037-041-043-059-063-065-067-081-089-093-109-
131-141-143-147-149-167-189-191-193-195-142340-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BUENA VISTA CERRO GORDO
CHEROKEE CHICKASAW CLAY
CLAYTON DICKINSON EMMET
FAYETTE FLOYD HANCOCK
HOWARD IDA KOSSUTH
MITCHELL O'BRIEN OSCEOLA
PALO ALTO PLYMOUTH SIOUX
WINNEBAGO WINNESHIEK WOODBURY
WORTH
$$
MNC013-039-043-045-047-055-063-091-099-109-147-161-165-169-
142340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
BLUE EARTH DODGE FARIBAULT
FILLMORE FREEBORN HOUSTON
JACKSON MARTIN MOWER
OLMSTED STEELE WASECA
WATONWAN WINONA
$$
WIC023-043-063-081-103-123-142340-
WI
. WISCONSIN COUNTIES INCLUDED ARE
CRAWFORD GRANT LA CROSSE
MONROE RICHLAND VERNON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (5%)
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 (40%)
Probability of 1 or more hailstones > 2 inches
Mod (30%)
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
High (90%)
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.
