Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 207
NWS Storm Prediction Center Norman OK
1235 PM CDT Sat May 23 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Eastern Iowa
Northern Illinois
Northwest Indiana
Southern Wisconsin
Lake Michigan
* Effective this Saturday afternoon and evening from 1235 PM
until 800 PM CDT.
* Primary threats include...
Several tornadoes likely with a couple intense tornadoes
possible
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Scattered thunderstorms are beginning to form across
eastern Iowa and northwest Illinois. These storms will persist
through the afternoon and track northeastward across the watch area.
The strongest cells will pose a risk of tornadoes, damaging winds,
and hail.
The tornado watch area is approximately along and 115 statute miles
east and west of a line from 60 miles north northeast of Dubuque IA
to 10 miles southeast of Bloomington IL. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU7).
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 1.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 24035.
...Hart
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 207
NWS Storm Prediction Center Norman OK
1235 PM CDT Sat May 23 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Eastern Iowa
Northern Illinois
Northwest Indiana
Southern Wisconsin
Lake Michigan
* Effective this Saturday afternoon and evening from 1235 PM
until 800 PM CDT.
* Primary threats include...
Several tornadoes likely with a couple intense tornadoes
possible
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Scattered thunderstorms are beginning to form across
eastern Iowa and northwest Illinois. These storms will persist
through the afternoon and track northeastward across the watch area.
The strongest cells will pose a risk of tornadoes, damaging winds,
and hail.
The tornado watch area is approximately along and 115 statute miles
east and west of a line from 60 miles north northeast of Dubuque IA
to 10 miles southeast of Bloomington IL. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU7).
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 1.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. 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.
SAW7
WW 207 TORNADO IA IL IN WI LM 231735Z - 240100Z
AXIS..115 STATUTE MILES EAST AND WEST OF LINE..
60NNE DBQ/DUBUQUE IA/ - 10SE BMI/BLOOMINGTON IL/
..AVIATION COORDS.. 100NM E/W /30SW DLL - 38N AXC/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 24035.
LAT...LON 43188798 40348660 40349097 43189255
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU7.
Watch 207 Status Report Messages:
STATUS REPORT #7 ON WW 207
VALID 240030Z - 240140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 ENE DNV
TO 25 ENE MMO TO 15 E RFD TO 15 NNW MSN.
..KARSTENS..05/24/20
ATTN...WFO...DVN...ARX...LOT...ILX...MKX...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC031-043-089-091-093-097-111-197-240140-
IL
. ILLINOIS COUNTIES INCLUDED ARE
COOK DUPAGE KANE
KANKAKEE KENDALL LAKE
MCHENRY WILL
$$
INC007-073-089-111-127-240140-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
WIC055-059-079-101-127-133-240140-
WI
. WISCONSIN COUNTIES INCLUDED ARE
JEFFERSON KENOSHA MILWAUKEE
RACINE WALWORTH WAUKESHA
$$
LMZ645-646-740-741-742-743-744-745-240140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH POINT LIGHT TO WIND POINT WI
WIND POINT WI TO WINTHROP HARBOR IL
WINTHROP HARBOR TO WILMETTE HARBOR IL
WILMETTE HARBOR TO NORTHERLY ISLAND IL
NORTHERLY ISLAND TO CALUMET HARBOR IL
CALUMET HARBOR IL TO GARY IN
GARY TO BURNS HARBOR IN
BURNS HARBOR TO MICHIGAN CITY IN
$$
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.
$$
STATUS REPORT #6 ON WW 207
VALID 232340Z - 240040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NNE CMI
TO 5 NE MMO TO 25 S RFD TO 15 NE RFD TO 15 NNE MSN.
..KARSTENS..05/23/20
ATTN...WFO...DVN...ARX...LOT...ILX...MKX...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC007-031-037-043-063-075-089-091-093-097-111-197-240040-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOONE COOK DE KALB
DUPAGE GRUNDY IROQUOIS
KANE KANKAKEE KENDALL
LAKE MCHENRY WILL
$$
INC007-073-089-111-127-240040-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
WIC055-059-079-101-127-133-240040-
WI
. WISCONSIN COUNTIES INCLUDED ARE
JEFFERSON KENOSHA MILWAUKEE
RACINE WALWORTH WAUKESHA
$$
LMZ645-646-740-741-742-743-744-745-240040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH POINT LIGHT TO WIND POINT WI
WIND POINT WI TO WINTHROP HARBOR IL
WINTHROP HARBOR TO WILMETTE HARBOR IL
WILMETTE HARBOR TO NORTHERLY ISLAND IL
NORTHERLY ISLAND TO CALUMET HARBOR IL
CALUMET HARBOR IL TO GARY IN
GARY TO BURNS HARBOR IN
BURNS HARBOR TO MICHIGAN CITY IN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 207
VALID 232240Z - 232340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NW CMI TO
25 S MMO TO 30 SSE RFD TO 20 W RFD TO 25 NNE DBQ TO 50 NNE ALO TO
40 S RST.
..KARSTENS..05/23/20
ATTN...WFO...DVN...ARX...LOT...ILX...MKX...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC007-031-037-043-063-075-089-091-093-097-099-111-141-197-201-
232340-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOONE COOK DE KALB
DUPAGE GRUNDY IROQUOIS
KANE KANKAKEE KENDALL
LAKE LA SALLE MCHENRY
OGLE WILL WINNEBAGO
$$
INC007-073-089-111-127-232340-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
IAC005-232340-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE
$$
WIC023-025-043-045-049-055-059-065-079-101-103-105-127-133-
232340-
WI
. WISCONSIN COUNTIES INCLUDED ARE
CRAWFORD DANE GRANT
GREEN IOWA JEFFERSON
KENOSHA LAFAYETTE MILWAUKEE
RACINE RICHLAND ROCK
WALWORTH WAUKESHA
$$
LMZ645-646-740-741-742-743-744-745-232340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH POINT LIGHT TO WIND POINT WI
WIND POINT WI TO WINTHROP HARBOR IL
WINTHROP HARBOR TO WILMETTE HARBOR IL
WILMETTE HARBOR TO NORTHERLY ISLAND IL
NORTHERLY ISLAND TO CALUMET HARBOR IL
CALUMET HARBOR IL TO GARY IN
GARY TO BURNS HARBOR IN
BURNS HARBOR TO MICHIGAN CITY IN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 207
VALID 232140Z - 232240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNE CMI
TO 20 SE MMO TO 45 WNW MMO TO 35 E DBQ TO 30 NW DBQ TO 15 NE ALO.
..KARSTENS..05/23/20
ATTN...WFO...DVN...ARX...LOT...ILX...MKX...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC007-031-037-043-063-075-085-089-091-093-097-099-103-111-141-
177-197-201-232240-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOONE COOK DE KALB
DUPAGE GRUNDY IROQUOIS
JO DAVIESS KANE KANKAKEE
KENDALL LAKE LA SALLE
LEE MCHENRY OGLE
STEPHENSON WILL WINNEBAGO
$$
INC007-073-089-111-127-232240-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
IAC005-043-065-232240-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE CLAYTON FAYETTE
$$
WIC023-025-043-045-049-055-059-065-079-101-103-105-127-133-
232240-
WI
. WISCONSIN COUNTIES INCLUDED ARE
CRAWFORD DANE GRANT
GREEN IOWA JEFFERSON
KENOSHA LAFAYETTE MILWAUKEE
RACINE RICHLAND ROCK
WALWORTH WAUKESHA
$$
LMZ645-646-740-741-742-743-744-745-232240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH POINT LIGHT TO WIND POINT WI
WIND POINT WI TO WINTHROP HARBOR IL
WINTHROP HARBOR TO WILMETTE HARBOR IL
WILMETTE HARBOR TO NORTHERLY ISLAND IL
NORTHERLY ISLAND TO CALUMET HARBOR IL
CALUMET HARBOR IL TO GARY IN
GARY TO BURNS HARBOR IN
BURNS HARBOR TO MICHIGAN CITY IN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 207
VALID 232035Z - 232140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WNW DEC
TO 30 NE PIA TO 35 ENE MLI TO 15 WSW DBQ TO 15 NNW ALO.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 685
..KARSTENS..05/23/20
ATTN...WFO...DVN...ARX...LOT...ILX...MKX...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC007-011-015-031-037-039-043-053-063-075-085-089-091-093-097-
099-103-105-111-113-123-141-155-177-195-197-201-203-232140-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOONE BUREAU CARROLL
COOK DE KALB DE WITT
DUPAGE FORD GRUNDY
IROQUOIS JO DAVIESS KANE
KANKAKEE KENDALL LAKE
LA SALLE LEE LIVINGSTON
MCHENRY MCLEAN MARSHALL
OGLE PUTNAM STEPHENSON
WHITESIDE WILL WINNEBAGO
WOODFORD
$$
INC007-073-089-111-127-232140-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
IAC043-055-061-065-097-232140-
IA
. IOWA COUNTIES INCLUDED ARE
CLAYTON DELAWARE DUBUQUE
FAYETTE JACKSON
$$
WIC025-043-045-049-055-059-065-079-101-105-127-133-232140-
WI
. WISCONSIN COUNTIES INCLUDED ARE
DANE GRANT GREEN
IOWA JEFFERSON KENOSHA
LAFAYETTE MILWAUKEE RACINE
ROCK WALWORTH WAUKESHA
$$
LMZ645-646-740-741-742-743-744-745-232140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH POINT LIGHT TO WIND POINT WI
WIND POINT WI TO WINTHROP HARBOR IL
WINTHROP HARBOR TO WILMETTE HARBOR IL
WILMETTE HARBOR TO NORTHERLY ISLAND IL
NORTHERLY ISLAND TO CALUMET HARBOR IL
CALUMET HARBOR IL TO GARY IN
GARY TO BURNS HARBOR IN
BURNS HARBOR TO MICHIGAN CITY IN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 207
VALID 231930Z - 232040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW SPI
TO 30 W PIA TO 20 S MLI TO 30 W MLI TO 25 SSW CID.
..COOK..05/23/20
ATTN...WFO...DVN...ARX...LOT...ILX...MKX...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC007-011-015-031-037-039-043-053-057-063-073-075-085-089-091-
093-095-097-099-103-105-107-111-113-123-125-141-143-155-161-175-
177-179-195-197-201-203-232040-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOONE BUREAU CARROLL
COOK DE KALB DE WITT
DUPAGE FORD FULTON
GRUNDY HENRY IROQUOIS
JO DAVIESS KANE KANKAKEE
KENDALL KNOX LAKE
LA SALLE LEE LIVINGSTON
LOGAN MCHENRY MCLEAN
MARSHALL MASON OGLE
PEORIA PUTNAM ROCK ISLAND
STARK STEPHENSON TAZEWELL
WHITESIDE WILL WINNEBAGO
WOODFORD
$$
INC007-073-089-111-127-232040-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
IAC019-031-043-045-055-061-065-097-103-105-113-163-232040-
IA
. IOWA COUNTIES INCLUDED ARE
BUCHANAN CEDAR CLAYTON
CLINTON DELAWARE DUBUQUE
FAYETTE JACKSON JOHNSON
JONES LINN SCOTT
$$
WIC025-043-045-049-055-059-065-079-101-105-127-133-232040-
WI
. WISCONSIN COUNTIES INCLUDED ARE
DANE GRANT GREEN
IOWA JEFFERSON KENOSHA
LAFAYETTE MILWAUKEE RACINE
ROCK WALWORTH WAUKESHA
$$
LMZ645-646-740-741-742-743-744-745-232040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH POINT LIGHT TO WIND POINT WI
WIND POINT WI TO WINTHROP HARBOR IL
WINTHROP HARBOR TO WILMETTE HARBOR IL
WILMETTE HARBOR TO NORTHERLY ISLAND IL
NORTHERLY ISLAND TO CALUMET HARBOR IL
CALUMET HARBOR IL TO GARY IN
GARY TO BURNS HARBOR IN
BURNS HARBOR TO MICHIGAN CITY IN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 207
VALID 231840Z - 231940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..COOK..05/23/20
ATTN...WFO...DVN...ARX...LOT...ILX...MKX...
&&
STATUS REPORT FOR WT 207
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ILC007-011-015-031-037-039-043-053-057-063-071-073-075-085-089-
091-093-095-097-099-103-105-107-109-111-113-123-125-131-141-143-
155-161-175-177-179-187-195-197-201-203-231940-
IL
. ILLINOIS COUNTIES INCLUDED ARE
BOONE BUREAU CARROLL
COOK DE KALB DE WITT
DUPAGE FORD FULTON
GRUNDY HENDERSON HENRY
IROQUOIS JO DAVIESS KANE
KANKAKEE KENDALL KNOX
LAKE LA SALLE LEE
LIVINGSTON LOGAN MCDONOUGH
MCHENRY MCLEAN MARSHALL
MASON MERCER OGLE
PEORIA PUTNAM ROCK ISLAND
STARK STEPHENSON TAZEWELL
WARREN WHITESIDE WILL
WINNEBAGO WOODFORD
$$
INC007-073-089-111-127-231940-
IN
. INDIANA COUNTIES INCLUDED ARE
BENTON JASPER LAKE
NEWTON PORTER
$$
IAC019-031-043-045-055-057-061-065-097-103-105-113-115-139-163-
231940-
IA
. IOWA COUNTIES INCLUDED ARE
BUCHANAN CEDAR CLAYTON
CLINTON DELAWARE DES MOINES
DUBUQUE FAYETTE JACKSON
JOHNSON JONES LINN
LOUISA MUSCATINE SCOTT
$$
WIC025-043-045-049-055-059-065-079-101-105-127-133-231940-
WI
. WISCONSIN COUNTIES INCLUDED ARE
DANE GRANT GREEN
IOWA JEFFERSON KENOSHA
LAFAYETTE MILWAUKEE RACINE
ROCK WALWORTH WAUKESHA
$$
LMZ645-646-740-741-742-743-744-745-231940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
NORTH POINT LIGHT TO WIND POINT WI
WIND POINT WI TO WINTHROP HARBOR IL
WINTHROP HARBOR TO WILMETTE HARBOR IL
WILMETTE HARBOR TO NORTHERLY ISLAND IL
NORTHERLY ISLAND TO CALUMET HARBOR IL
CALUMET HARBOR IL TO GARY IN
GARY TO BURNS HARBOR IN
BURNS HARBOR TO MICHIGAN CITY IN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
High (80%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (30%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (50%)
|
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 (80%)
|
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.