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
Tornado Watch Number 279
NWS Storm Prediction Center Norman OK
400 PM CDT Tue May 21 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southern Wisconsin
* Effective this Tuesday afternoon from 400 PM until Midnight
CDT.
* Primary threats include...
A few tornadoes and a couple intense tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail and isolated very large hail events to 3
inches in diameter possible
SUMMARY...Initially, a relatively isolated severe risk will exist
across southern Wisconsin near a warm front, but more numerous
storms with a widespread severe risk are likely to move into the
region this evening.
The tornado watch area is approximately along and 35 statute miles
north and south of a line from 15 miles southwest of Lonerock WI to
55 miles east of Madison WI. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU9).
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 276...WW 277...WW 278...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 23035.
...Guyer
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 279
NWS Storm Prediction Center Norman OK
400 PM CDT Tue May 21 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southern Wisconsin
* Effective this Tuesday afternoon from 400 PM until Midnight
CDT.
* Primary threats include...
A few tornadoes and a couple intense tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail and isolated very large hail events to 3
inches in diameter possible
SUMMARY...Initially, a relatively isolated severe risk will exist
across southern Wisconsin near a warm front, but more numerous
storms with a widespread severe risk are likely to move into the
region this evening.
The tornado watch area is approximately along and 35 statute miles
north and south of a line from 15 miles southwest of Lonerock WI to
55 miles east of Madison WI. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU9).
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 276...WW 277...WW 278...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 23035.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 279 TORNADO WI 212100Z - 220500Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
15SW LNR/LONEROCK WI/ - 55E MSN/MADISON WI/
..AVIATION COORDS.. 30NM N/S /40SW DLL - 2E BAE/
HAIL SURFACE AND ALOFT..3 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 23035.
LAT...LON 43579039 43638824 42628824 42569039
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 279 Status Report Messages:
STATUS REPORT #4 ON WW 279
VALID 220345Z - 220440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 W JVL TO
25 SSW OSH.
..KERR..05/22/24
ATTN...WFO...MKX...
&&
STATUS REPORT FOR WT 279
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
WIC027-039-047-055-059-079-089-101-105-117-127-131-133-220440-
WI
. WISCONSIN COUNTIES INCLUDED ARE
DODGE FOND DU LAC GREEN LAKE
JEFFERSON KENOSHA MILWAUKEE
OZAUKEE RACINE ROCK
SHEBOYGAN WALWORTH WASHINGTON
WAUKESHA
$$
LMZ643-644-645-646-220440-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LMZ643
LMZ644
LMZ645
LMZ646
$$
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.
$$
STATUS REPORT #3 ON WW 279
VALID 220235Z - 220340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 E DBQ TO
35 SSE LNR TO 20 E LNR TO 40 N MSN.
..BENTLEY..05/22/24
ATTN...WFO...MKX...
&&
STATUS REPORT FOR WT 279
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
WIC021-025-027-039-045-047-055-059-065-079-089-101-105-117-127-
131-133-220340-
WI
. WISCONSIN COUNTIES INCLUDED ARE
COLUMBIA DANE DODGE
FOND DU LAC GREEN GREEN LAKE
JEFFERSON KENOSHA LAFAYETTE
MILWAUKEE OZAUKEE RACINE
ROCK SHEBOYGAN WALWORTH
WASHINGTON WAUKESHA
$$
LMZ643-644-645-646-220340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LMZ643
LMZ644
LMZ645
LMZ646
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 279
VALID 220030Z - 220140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HART..05/22/24
ATTN...WFO...MKX...
&&
STATUS REPORT FOR WT 279
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
WIC021-025-027-039-045-047-049-055-059-065-077-079-089-101-105-
111-117-127-131-133-220140-
WI
. WISCONSIN COUNTIES INCLUDED ARE
COLUMBIA DANE DODGE
FOND DU LAC GREEN GREEN LAKE
IOWA JEFFERSON KENOSHA
LAFAYETTE MARQUETTE MILWAUKEE
OZAUKEE RACINE ROCK
SAUK SHEBOYGAN WALWORTH
WASHINGTON WAUKESHA
$$
LMZ643-644-645-646-220140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
LMZ643
LMZ644
LMZ645
LMZ646
$$
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.
$$
STATUS REPORT #1 ON WW 279
VALID 212335Z - 220040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HART..05/21/24
ATTN...WFO...MKX...
&&
STATUS REPORT FOR WT 279
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
WIC021-025-027-039-045-047-049-055-065-077-105-111-127-131-133-
220040-
WI
. WISCONSIN COUNTIES INCLUDED ARE
COLUMBIA DANE DODGE
FOND DU LAC GREEN GREEN LAKE
IOWA JEFFERSON LAFAYETTE
MARQUETTE ROCK SAUK
WALWORTH WASHINGTON WAUKESHA
$$
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
|
Mod (50%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (30%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (50%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
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 (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.
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