Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 446
NWS Storm Prediction Center Norman OK
315 PM CDT Sat Jun 22 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northeast Iowa
Northwest Illinois
Southern Wisconsin
* Effective this Saturday afternoon and evening from 315 PM until
800 PM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Thunderstorms will intensify this afternoon along a
boundary extending from northern Iowa into southern Wisconsin.
Favorable winds aloft will promote supercell storms, capable of
damaging winds, large hail, and perhaps a few tornadoes.
The tornado watch area is approximately along and 55 statute miles
north and south of a line from 40 miles west of Waterloo IA to 30
miles north of Rockford IL. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU6).
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 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 27030.
...Hart
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 446
NWS Storm Prediction Center Norman OK
315 PM CDT Sat Jun 22 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northeast Iowa
Northwest Illinois
Southern Wisconsin
* Effective this Saturday afternoon and evening from 315 PM until
800 PM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Thunderstorms will intensify this afternoon along a
boundary extending from northern Iowa into southern Wisconsin.
Favorable winds aloft will promote supercell storms, capable of
damaging winds, large hail, and perhaps a few tornadoes.
The tornado watch area is approximately along and 55 statute miles
north and south of a line from 40 miles west of Waterloo IA to 30
miles north of Rockford IL. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU6).
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 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.
SAW6
WW 446 TORNADO IA IL WI 222015Z - 230100Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
40W ALO/WATERLOO IA/ - 30N RFD/ROCKFORD IL/
..AVIATION COORDS.. 50NM N/S /33S MCW - 46SW BAE/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27030.
LAT...LON 43349319 43438910 41848910 41759319
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 446 Status Report Messages:
STATUS REPORT #2 ON WW 446
VALID 230010Z - 230140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE DSM TO
25 E ALO TO 45 NNW DBQ TO 30 SW LNR TO 35 N MSN.
..WENDT..06/23/24
ATTN...WFO...ARX...DVN...DMX...MKX...
&&
STATUS REPORT FOR WT 446
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC015-085-161-177-195-230140-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CARROLL JO DAVIESS ROCK ISLAND
STEPHENSON WHITESIDE
$$
IAC011-019-031-043-045-055-061-095-097-103-105-113-139-163-171-
230140-
IA
. IOWA COUNTIES INCLUDED ARE
BENTON BUCHANAN CEDAR
CLAYTON CLINTON DELAWARE
DUBUQUE IOWA JACKSON
JOHNSON JONES LINN
MUSCATINE SCOTT TAMA
$$
WIC021-025-027-043-045-049-055-059-065-079-089-101-105-127-131-
133-230140-
WI
. WISCONSIN COUNTIES INCLUDED ARE
COLUMBIA DANE DODGE
GRANT GREEN IOWA
JEFFERSON KENOSHA LAFAYETTE
MILWAUKEE OZAUKEE RACINE
ROCK WALWORTH WASHINGTON
WAUKESHA
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 446
VALID 222140Z - 222240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..WENDT..06/22/24
ATTN...WFO...ARX...DVN...DMX...MKX...
&&
STATUS REPORT FOR WT 446
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC015-085-161-177-195-222240-
IL
. ILLINOIS COUNTIES INCLUDED ARE
CARROLL JO DAVIESS ROCK ISLAND
STEPHENSON WHITESIDE
$$
IAC005-011-013-017-019-023-031-037-043-045-055-061-065-067-069-
075-083-095-097-103-105-113-127-139-163-171-191-222240-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE BENTON BLACK HAWK
BREMER BUCHANAN BUTLER
CEDAR CHICKASAW CLAYTON
CLINTON DELAWARE DUBUQUE
FAYETTE FLOYD FRANKLIN
GRUNDY HARDIN IOWA
JACKSON JOHNSON JONES
LINN MARSHALL MUSCATINE
SCOTT TAMA WINNESHIEK
$$
WIC021-023-025-043-045-049-065-103-105-111-222240-
WI
. WISCONSIN COUNTIES INCLUDED ARE
COLUMBIA CRAWFORD DANE
GRANT GREEN IOWA
LAFAYETTE RICHLAND ROCK
SAUK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (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 (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.
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