Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 120
NWS STORM PREDICTION CENTER NORMAN OK
320 PM CDT SUN APR 10 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
PARTS OF NORTHEAST IOWA
PARTS OF WESTERN NORTHERN MICHIGAN
SMALL PART OF SOUTHEAST MINNESOTA
MUCH OF WISCONSIN
LAKE SUPERIOR
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
1100 PM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE
MILES EAST AND WEST OF A LINE FROM 5 MILES NORTH NORTHWEST OF
IRONWOOD MICHIGAN TO 45 MILES SOUTH OF CAMP DOUGLAS WISCONSIN.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).
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.
DISCUSSION...RAPID DEVELOPMENT OF SEVERE SUPERCELL THUNDERSTORMS
IMMINENT ALONG THE COLD FRONT FROM WI/MN BORDER INTO NERN IA. AIR
MASS HAS DESTABILIZED AHEAD OF FRONT WITH MLCAPES TO 2000
J/KG...COUPLED WITH A VERY INTENSE WIND FIELD WILL LEAD TO POTENTIAL
OF BOTH VERY LARGE HAIL AND TORNADOS WITH ANY SUPERCELL. THERE IS
THE THREAT OF LONG LIVED SUPERCELLS ALONG WITH STRONG/DAMAGING
TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24050.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 120 TORNADO IA MI MN WI LS 102020Z - 110400Z
AXIS..105 STATUTE MILES EAST AND WEST OF LINE..
5NNW IWD/IRONWOOD MI/ - 45S VOK/CAMP DOUGLAS WI/
..AVIATION COORDS.. 90NM E/W /65NNW RHI - 28SW DLL/
HAIL SURFACE AND ALOFT..4 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24050.
LAT...LON 46588795 43258818 43259236 46589237
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 120 Status Report Messages:
STATUS REPORT #7 ON WW 120
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 NW MKE TO
25 SE OSH.
REMAINING VALID PORTION OF WW 120 COULD BE EXTENDED LOCALLY IN TIME
FOR ANOTHER HOUR OR SO...OTHERWISE A NEW WW IS NOT ANTICIPATED AT
SCHEDULED 11/04Z EXPIRATION.
..KERR..04/11/11
ATTN...WFO...
&&
STATUS REPORT FOR WT 120
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
WIC105-110400-
WI
. WISCONSIN COUNTIES INCLUDED ARE
ROCK
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #6 ON WW 120
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 NE MSN TO
30 N GRB.
..KERR..04/11/11
ATTN...WFO...
&&
STATUS REPORT FOR WT 120
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
WIC009-015-025-027-029-039-045-055-061-071-105-139-110340-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BROWN CALUMET DANE
DODGE DOOR FOND DU LAC
GREEN JEFFERSON KEWAUNEE
MANITOWOC ROCK WINNEBAGO
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #5 ON WW 120
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 WNW MSN
TO 30 ESE CWA TO 30 NNE RHI TO 35 E IWD.
..KERR..04/11/11
ATTN...WFO...
&&
STATUS REPORT FOR WT 120
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC071-131-110240-
MI
. MICHIGAN COUNTIES INCLUDED ARE
IRON ONTONAGON
$$
WIC009-015-021-025-027-029-037-039-041-045-047-055-061-067-071-
075-077-078-083-087-105-115-135-137-139-110240-
WI
. WISCONSIN COUNTIES INCLUDED ARE
BROWN CALUMET COLUMBIA
DANE DODGE DOOR
FLORENCE FOND DU LAC FOREST
GREEN GREEN LAKE JEFFERSON
KEWAUNEE LANGLADE MANITOWOC
MARINETTE MARQUETTE MENOMINEE
OCONTO OUTAGAMIE ROCK
SHAWANO WAUPACA WAUSHARA
WINNEBAGO
$$
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.
$$
STATUS REPORT #4 ON WW 120
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 WNW LNR
TO 25 SW CWA TO 30 WSW RHI TO 10 WNW IWD.
..KERR..04/11/11
ATTN...WFO...
&&
STATUS REPORT FOR WT 120
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC053-071-131-110140-
MI
. MICHIGAN COUNTIES INCLUDED ARE
GOGEBIC IRON ONTONAGON
$$
WIC001-009-015-021-037-039-041-043-047-049-051-057-067-069-073-
075-077-078-083-085-087-097-099-103-111-115-125-135-137-139-141-
110140-
WI
. WISCONSIN COUNTIES INCLUDED ARE
ADAMS BROWN CALUMET
COLUMBIA FLORENCE FOND DU LAC
FOREST GRANT GREEN LAKE
IOWA IRON JUNEAU
LANGLADE LINCOLN MARATHON
MARINETTE MARQUETTE MENOMINEE
OCONTO ONEIDA OUTAGAMIE
PORTAGE PRICE RICHLAND
SAUK SHAWANO VILAS
WAUPACA WAUSHARA WINNEBAGO
WOOD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 120
VALID 102335Z - 110040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 S LSE TO
40 SE EAU TO 60 NNE EAU TO 40 SSW ASX TO 20 W ASX.
..KERR..04/10/11
ATTN...WFO...ARX...MQT...DLH...MPX...GRB...MKX...
&&
STATUS REPORT FOR WT 120
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MIC053-071-131-110040-
MI
. MICHIGAN COUNTIES INCLUDED ARE
GOGEBIC IRON ONTONAGON
$$
WIC001-003-007-009-015-019-021-023-037-039-041-043-047-049-051-
053-057-067-069-073-075-077-078-081-083-085-087-097-099-103-111-
113-115-119-123-125-135-137-139-141-110040-
WI
. WISCONSIN COUNTIES INCLUDED ARE
ADAMS ASHLAND BAYFIELD
BROWN CALUMET CLARK
COLUMBIA CRAWFORD FLORENCE
FOND DU LAC FOREST GRANT
GREEN LAKE IOWA IRON
JACKSON JUNEAU LANGLADE
LINCOLN MARATHON MARINETTE
MARQUETTE MENOMINEE MONROE
OCONTO ONEIDA OUTAGAMIE
PORTAGE PRICE RICHLAND
SAUK SAWYER SHAWANO
TAYLOR VERNON VILAS
WAUPACA WAUSHARA WINNEBAGO
WOOD
$$
LSZ121-110040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 120
VALID 102235Z - 102340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 SSW LSE
TO 25 S EAU TO 30 NW EAU TO 25 SE DLH.
..KERR..04/10/11
ATTN...WFO...ARX...MQT...DLH...MPX...GRB...MKX...
&&
STATUS REPORT FOR WT 120
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-043-102340-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE CLAYTON
$$
MIC053-071-131-102340-
MI
. MICHIGAN COUNTIES INCLUDED ARE
GOGEBIC IRON ONTONAGON
$$
MNC055-102340-
MN
. MINNESOTA COUNTIES INCLUDED ARE
HOUSTON
$$
WIC001-003-005-007-009-015-017-019-021-023-031-035-037-039-041-
043-047-049-051-053-057-063-067-069-073-075-077-078-081-083-085-
087-097-099-103-107-111-113-115-119-123-125-129-135-137-139-141-
102340-
WI
. WISCONSIN COUNTIES INCLUDED ARE
ADAMS ASHLAND BARRON
BAYFIELD BROWN CALUMET
CHIPPEWA CLARK COLUMBIA
CRAWFORD DOUGLAS EAU CLAIRE
FLORENCE FOND DU LAC FOREST
GRANT GREEN LAKE IOWA
IRON JACKSON JUNEAU
LA CROSSE LANGLADE LINCOLN
MARATHON MARINETTE MARQUETTE
MENOMINEE MONROE OCONTO
ONEIDA OUTAGAMIE PORTAGE
PRICE RICHLAND RUSK
SAUK SAWYER SHAWANO
TAYLOR VERNON VILAS
WASHBURN WAUPACA WAUSHARA
WINNEBAGO WOOD
$$
LSZ121-102340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 120
VALID 102130Z - 102240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..04/10/11
ATTN...WFO...ARX...MQT...DLH...MPX...GRB...MKX...
&&
STATUS REPORT FOR WT 120
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC005-043-065-089-191-102240-
IA
. IOWA COUNTIES INCLUDED ARE
ALLAMAKEE CLAYTON FAYETTE
HOWARD WINNESHIEK
$$
MIC053-071-131-102240-
MI
. MICHIGAN COUNTIES INCLUDED ARE
GOGEBIC IRON ONTONAGON
$$
MNC045-055-109-157-169-102240-
MN
. MINNESOTA COUNTIES INCLUDED ARE
FILLMORE HOUSTON OLMSTED
WABASHA WINONA
$$
WIC001-003-005-007-009-011-013-015-017-019-021-023-031-033-035-
037-039-041-043-047-049-051-053-057-063-067-069-073-075-077-078-
081-083-085-087-091-093-095-097-099-103-107-109-111-113-115-119-
121-123-125-129-135-137-139-141-102240-
WI
. WISCONSIN COUNTIES INCLUDED ARE
ADAMS ASHLAND BARRON
BAYFIELD BROWN BUFFALO
BURNETT CALUMET CHIPPEWA
CLARK COLUMBIA CRAWFORD
DOUGLAS DUNN EAU CLAIRE
FLORENCE FOND DU LAC FOREST
GRANT GREEN LAKE IOWA
IRON JACKSON JUNEAU
LA CROSSE LANGLADE LINCOLN
MARATHON MARINETTE MARQUETTE
MENOMINEE MONROE OCONTO
ONEIDA OUTAGAMIE PEPIN
PIERCE POLK PORTAGE
PRICE RICHLAND RUSK
ST. CROIX SAUK SAWYER
SHAWANO TAYLOR TREMPEALEAU
VERNON VILAS WASHBURN
WAUPACA WAUSHARA WINNEBAGO
WOOD
$$
LSZ121-102240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHEQUAMEGON BAY-BAYFIELD TO OAK POINT WI
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
High (90%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Mod (60%)
|
Wind
Probability of 10 or more severe wind events
|
High (80%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (60%)
|
Hail
Probability of 10 or more severe hail events
|
High (>95%)
|
Probability
of 1 or
more hailstones > 2 inches
|
High (80%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (>95%)
|
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% (F2-F5 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.