Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 39
NWS Storm Prediction Center Norman OK
1005 PM CDT Fri Mar 14 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern Wisconsin
* Effective this Friday night and Saturday morning from 1005 PM
until 400 AM CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Potential for damaging wind gusts is expected to continue
tonight across southern Wisconsin.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 35 miles west southwest
of Madison WI to 50 miles east northeast of Janesville WI. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU9).
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 32...WW 33...WW 34...WW
35...WW 36...WW 37...WW 38...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24040.
...Mosier
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 39 SEVERE TSTM WI 150305Z - 150900Z
AXIS..40 STATUTE MILES NORTH AND SOUTH OF LINE..
35WSW MSN/MADISON WI/ - 50ENE JVL/JANESVILLE WI/
..AVIATION COORDS.. 35NM N/S /38SSW DLL - 15SSE BAE/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24040.
LAT...LON 43518997 43478812 42318812 42368997
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 39 Status Report Messages:
STATUS REPORT #1 ON WW 39
VALID 150535Z - 150640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ENE RFD
TO 20 SE MSN TO 40 NNW MSN.
..GOSS..03/15/25
ATTN...WFO...MKX...
&&
STATUS REPORT FOR WS 39
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
WIC021-027-055-059-079-089-101-127-131-133-150640-
WI
. WISCONSIN COUNTIES INCLUDED ARE
COLUMBIA DODGE JEFFERSON
KENOSHA MILWAUKEE OZAUKEE
RACINE WALWORTH WASHINGTON
WAUKESHA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (20%)
|
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.
weather.gov 
@NWSSPC
