Alert archive / Wisconsin / Flood Watches in 2011

Flood Watch 1, NWS La Crosse, WI

March 21, 201111 counties in Wisconsin; 7 counties in Minnesota; 8 counties in Iowa

NWS La Crosse, WI issued this flood watch at Mar 21, 2011, 10:51 AM CDT for 11 counties in Wisconsin; 7 counties in Minnesota; 8 counties in Iowa. It took effect at Mar 22, 2011, 1:00 AM CDT. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Mar 21, 2011, 10:51 AM CDT (15:51 UTC)
In effect from
Mar 22, 2011, 1:00 AM CDT
Expired
Mar 23, 2011, 3:38 AM CDT
In force
27 hr
Issued by
NWS La Crosse, WI
Flood severity
None
All 26 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 37 km from the middle of the area, began a volume at 15:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 3.9 hours before the alert went out and 212 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2011-03-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2011-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -199 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-199 m²/s²
0-3 km storm-relative helicity
-160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

344 
WGUS63 KARX 211551
FFAARX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE LA CROSSE WI
1051 AM CDT MON MAR 21 2011

...RAIN TO RESULT IN RISES ON AREA RIVERS...

.RAIN WILL DEVELOP ACROSS THE AREA TONIGHT...WITH PERIODS OF
RAINFALL CONTINUING THROUGH WEDNESDAY. 

WET GROUNDS FROM RECENT RAIN AND SNOW MELT WILL RESULT IN FURTHER
RAINFALL QUICKLY RUNNING OFF INTO AREA WATER WAYS. RISES ON THE
RIVERS AND STREAMS WILL OCCUR...AND FLOODING APPEARS LIKELY FOR
SOME RIVER SYSTEMS IF THE ANTICIPATED RAINFALL AMOUNTS ARE REALIZED.

IN ADDITION...THE RAINFALL COULD LEAD TO PONDING OF WATER ON
ROADWAYS...ALONG WITH LOCALIZED URBAN FLOODING. 

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-
041>044-053>055-061-220000-
/O.NEW.KARX.FA.A.0001.110322T0600Z-110324T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...BLACK RIVER FALLS...
LA CROSSE...SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN...
RICHLAND CENTER...PLATTEVILLE
1051 AM CDT MON MAR 21 2011

...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLOOD WATCH FOR PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND 
 WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN IOWA...
 ALLAMAKEE...CHICKASAW...CLAYTON...FAYETTE...FLOYD...HOWARD...
 MITCHELL AND WINNESHIEK. IN SOUTHEAST MINNESOTA...DODGE...
 FILLMORE...HOUSTON...MOWER...OLMSTED...WABASHA AND WINONA. IN 
 WISCONSIN...ADAMS...BUFFALO...CRAWFORD...GRANT...JACKSON...
 JUNEAU...LA CROSSE...MONROE...RICHLAND...TREMPEALEAU AND 
 VERNON.

* FROM LATE TONIGHT THROUGH WEDNESDAY EVENING

* RAINFALL OF 1 TO 2 INCHES IS EXPECTED THROUGH WEDNESDAY EVENING.
  WITH GROUNDS SATURATED FROM RECENT RAINS AND SNOW MELT...RUNOFF
  WILL LEAD TO RAPID RISES ON AREA WATER WAYS. 

* IN ADDITION TO RISES ON AREA RIVERS AND STREAMS...PONDING OF
  WATER ON ROADWAYS AND LOCALIZED URBAN FLOODING WILL ALSO BE
  POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

RIECK
6 follow-up statements
801 
WGUS63 KARX 212018
FFAARX

FLOOD WATCH
NATIONAL WEATHER SERVICE LA CROSSE WI
318 PM CDT MON MAR 21 2011

...RAIN TO RESULT IN RISES ON AREA RIVERS...

.RAIN WILL DEVELOP ACROSS THE AREA TONIGHT...WITH PERIODS OF
RAIN CONTINUING THROUGH WEDNESDAY. RAINFALL AMOUNTS OF 1 TO 2
INCHES ARE POSSIBLE.

SATURATED GROUNDS WILL RESULT IN FURTHER RAINFALL QUICKLY RUNNING
OFF INTO AREA WATER WAYS. RISES ON THE RIVERS AND STREAMS WILL
OCCUR...AND FLOODING APPEARS LIKELY FOR SOME RIVER SYSTEMS IF THE
ANTICIPATED RAINFALL AMOUNTS ARE REALIZED.

IN ADDITION...THE RAINFALL COULD LEAD TO PONDING OF WATER ON
ROADWAYS...ALONG WITH LOCALIZED URBAN FLOODING.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-
041>044-053>055-061-220430-
/O.CON.KARX.FA.A.0001.110322T0600Z-110324T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...BLACK RIVER FALLS...
LA CROSSE...SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN...
RICHLAND CENTER...PLATTEVILLE
318 PM CDT MON MAR 21 2011

...FLOOD WATCH REMAINS IN EFFECT FROM 1 AM CDT TUESDAY THROUGH
WEDNESDAY EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND WISCONSIN...
 INCLUDING THE FOLLOWING AREAS...IN IOWA...ALLAMAKEE...
 CHICKASAW...CLAYTON...FAYETTE...FLOYD...HOWARD...MITCHELL AND 
 WINNESHIEK. IN SOUTHEAST MINNESOTA...DODGE...FILLMORE...
 HOUSTON...MOWER...OLMSTED...WABASHA AND WINONA. IN WISCONSIN...
 ADAMS...BUFFALO...CRAWFORD...GRANT...JACKSON...JUNEAU...LA 
 CROSSE...MONROE...RICHLAND...TREMPEALEAU AND VERNON.

* FROM 1 AM CDT TUESDAY THROUGH WEDNESDAY EVENING

* RAINFALL OF 1 TO 2 INCHES IS EXPECTED THROUGH WEDNESDAY 
 EVENING. WITH GROUNDS SATURATED FROM RECENT RAINS AND SNOW 
 MELT...RUNOFF WILL LEAD TO RAPID RISES ON AREA WATER WAYS. 

* IN ADDITION TO RISES ON AREA RIVERS AND STREAMS...PONDING OF 
 WATER ON ROADWAYS AND LOCALIZED URBAN FLOODING WILL ALSO BE 
 POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

RIECK
974 
WGUS63 KARX 220223
FFAARX

FLOOD WATCH
NATIONAL WEATHER SERVICE LA CROSSE WI
923 PM CDT MON MAR 21 2011

...RAIN THROUGH WEDNESDAY EXPECTED TO RESULT IN RISES ON AREA
RIVERS...

.SCATTERED SHOWERS HAVE BEEN DEVELOPING ACROSS NORTHEAST IOWA AND
FAR SOUTHWEST WISCONSIN EARLY THIS EVENING. A FEW THUNDERSTORMS
HAVE ALSO OCCURRED. LOOK FOR THE SHOWERS AND A FEW THUNDERSTORMS TO
CONTINUE TO DEVELOP THROUGH THE NIGHT TONIGHT WHILE EXPANDING
NORTHEAST ACROSS THE UPPER MISSISSIPPI RIVER VALLEY REGION.
PERIODS OF RAIN AND SOME THUNDERSTORMS WILL THEN CONTINUE THROUGH
WEDNESDAY. RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE.

SATURATED GROUNDS WILL RESULT IN FURTHER RAINFALL QUICKLY RUNNING
OFF INTO AREA WATER WAYS. RISES ON THE RIVERS AND STREAMS WILL
OCCUR...AND FLOODING APPEARS LIKELY FOR SOME RIVER SYSTEMS IF THE
ANTICIPATED RAINFALL AMOUNTS ARE REALIZED.

IN ADDITION...THE RAINFALL COULD LEAD TO PONDING OF WATER ON
ROADWAYS...ALONG WITH LOCALIZED URBAN FLOODING.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-
041>044-053>055-061-221200-
/O.CON.KARX.FA.A.0001.110322T0600Z-110324T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...BLACK RIVER FALLS...
LA CROSSE...SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN...
RICHLAND CENTER...PLATTEVILLE
923 PM CDT MON MAR 21 2011

...FLOOD WATCH REMAINS IN EFFECT FROM 1 AM CDT TUESDAY THROUGH
WEDNESDAY EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND WISCONSIN...
  INCLUDING THE FOLLOWING AREAS...IN IOWA...ALLAMAKEE...
  CHICKASAW...CLAYTON...FAYETTE...FLOYD...HOWARD...MITCHELL AND 
  WINNESHIEK. IN SOUTHEAST MINNESOTA...DODGE...FILLMORE...
  HOUSTON...MOWER...OLMSTED...WABASHA AND WINONA. IN WISCONSIN...
  ADAMS...BUFFALO...CRAWFORD...GRANT...JACKSON...JUNEAU...LA 
  CROSSE...MONROE...RICHLAND...TREMPEALEAU AND VERNON.

* FROM 1 AM CDT TUESDAY THROUGH WEDNESDAY EVENING

* RAINFALL OF 1 TO 2 INCHES IS EXPECTED THROUGH WEDNESDAY 
  EVENING. WITH GROUNDS SATURATED FROM RECENT RAINS AND SNOW 
  MELT...RUNOFF WILL LEAD TO RAPID RISES ON AREA WATER WAYS. 

* IN ADDITION TO RISES ON AREA RIVERS AND STREAMS...PONDING OF 
  WATER ON ROADWAYS AND LOCALIZED URBAN FLOODING WILL ALSO BE 
  POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

AJ
117 
WGUS63 KARX 220846
FFAARX

FLOOD WATCH
NATIONAL WEATHER SERVICE LA CROSSE WI
346 AM CDT TUE MAR 22 2011

...PERIODS OF HEAVY RAIN EXPECTED...

.SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS THE REGION THROUGH
THIS EVENING WITH PERIODS OF HEAVY RAIN EXPECTED. THROUGH THIS
EVENING...WIDESPREAD RAINFALL AMOUNTS AROUND AN INCH WILL BE
POSSIBLE. THE SHOWERS AND STORMS WILL SHIFT SOUTH OF THE AREA
OVERNIGHT AND BE REPLACED BY LIGHT RAIN WHICH WILL EVENTUALLY
CHANGE OVER TO OR MIX WITH LIGHT SNOW THROUGH WEDNESDAY. BY THE
TIME ALL THE PRECIPITATION ENDS...RAINFALL AMOUNTS OF 1 TO 2
INCHES WILL BE POSSIBLE IN THE WATCH AREA.

THIS RAIN IS EXPECTED TO QUICKLY SATURATE THE GROUND AND LEAD TO
RUN OFF INTO AREA RIVERS AND STREAMS. THIS RUN OFF WILL RESULT IN
RISES ON THE RIVERS AND STREAMS. WITH WATER LEVELS ALREADY HIGH
FROM RECENT SNOW MELT AND PREVIOUS RAINS...THE ADDITIONAL RISES
ARE EXPECTED TO LEAD TO FLOODING ON MANY OF THE RIVERS AND STREAMS
ACROSS THE AREA.

IN ADDITION...THE RAINFALL COULD LEAD TO PONDING OF WATER ON
ROADWAYS...ALONG WITH LOCALIZED URBAN FLOODING.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-
041>044-053>055-061-221645-
/O.CON.KARX.FA.A.0001.000000T0000Z-110324T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...BLACK RIVER FALLS...
LA CROSSE...SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN...
RICHLAND CENTER...PLATTEVILLE
346 AM CDT TUE MAR 22 2011

...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND WISCONSIN...
  INCLUDING THE FOLLOWING AREAS...IN IOWA...ALLAMAKEE...
  CHICKASAW...CLAYTON...FAYETTE...FLOYD...HOWARD...MITCHELL AND
  WINNESHIEK. IN SOUTHEAST MINNESOTA...DODGE...FILLMORE...
  HOUSTON...MOWER...OLMSTED...WABASHA AND WINONA. IN WISCONSIN...
  ADAMS...BUFFALO...CRAWFORD...GRANT...JACKSON...JUNEAU... 
  LA CROSSE...MONROE...RICHLAND...TREMPEALEAU
  AND VERNON.

* THROUGH WEDNESDAY EVENING

* RAINFALL OF 1 TO 2 INCHES IS EXPECTED THROUGH WEDNESDAY EVENING.
  WITH GROUNDS SATURATED FROM RECENT RAINS AND SNOW MELT...THE
  RUNOFF FROM THE RAIN IS EXPECTED TO LEAD TO RISES AND POSSIBLY
  SOME FLOODING ON AREA RIVERS AND STREAMS.

* IN ADDITION TO RISES ON AREA RIVERS AND STREAMS...PONDING OF
  WATER ON ROADWAYS AND LOCALIZED URBAN FLOODING WILL ALSO BE
  POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

04
133 
WGUS63 KARX 221512
FFAARX

FLOOD WATCH
NATIONAL WEATHER SERVICE LA CROSSE WI
1012 AM CDT TUE MAR 22 2011

...PERIODS OF HEAVY RAIN EXPECTED...

.SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS THE REGION THROUGH
THIS EVENING WITH PERIODS OF HEAVY RAIN EXPECTED. THROUGH THIS
EVENING...WIDESPREAD RAINFALL AMOUNTS AROUND AN INCH WILL BE
POSSIBLE. THE SHOWERS AND STORMS WILL SHIFT SOUTH OF THE AREA
OVERNIGHT AND BE REPLACED BY LIGHT RAIN WHICH WILL EVENTUALLY
CHANGE OVER TO OR MIX WITH LIGHT SNOW THROUGH WEDNESDAY. BY THE
TIME ALL THE PRECIPITATION ENDS...RAINFALL AMOUNTS OF 1 TO 2
INCHES WILL BE POSSIBLE IN THE WATCH AREA.

THIS RAIN IS EXPECTED TO QUICKLY SATURATE THE GROUND AND LEAD TO
RUN OFF INTO AREA RIVERS AND STREAMS. THIS RUN OFF WILL RESULT IN
RISES ON THE RIVERS AND STREAMS. WITH WATER LEVELS ALREADY HIGH
FROM RECENT SNOW MELT AND PREVIOUS RAINS...THE ADDITIONAL RISES
ARE EXPECTED TO LEAD TO FLOODING ON MANY OF THE RIVERS AND
STREAMS ACROSS THE AREA.

IN ADDITION...THE RAINFALL COULD LEAD TO PONDING OF WATER ON
ROADWAYS...ALONG WITH LOCALIZED URBAN FLOODING.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-
041>044-053>055-061-222315-
/O.CON.KARX.FA.A.0001.000000T0000Z-110324T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...BLACK RIVER FALLS...
LA CROSSE...SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN...
RICHLAND CENTER...PLATTEVILLE
1012 AM CDT TUE MAR 22 2011

...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND WISCONSIN...
 INCLUDING THE FOLLOWING AREAS...IN IOWA...ALLAMAKEE...
 CHICKASAW...CLAYTON...FAYETTE...FLOYD...HOWARD...MITCHELL AND 
 WINNESHIEK. IN SOUTHEAST MINNESOTA...DODGE...FILLMORE...
 HOUSTON...MOWER...OLMSTED...WABASHA AND WINONA. IN WISCONSIN...
 ADAMS...BUFFALO...CRAWFORD...GRANT...JACKSON...JUNEAU...LA 
 CROSSE...MONROE...RICHLAND...TREMPEALEAU AND VERNON.

* THROUGH WEDNESDAY EVENING

* RAINFALL OF 1 TO 2 INCHES IS EXPECTED THROUGH WEDNESDAY 
 EVENING. WITH GROUNDS SATURATED FROM RECENT RAINS AND SNOW 
 MELT...THE RUNOFF FROM THE RAIN IS EXPECTED TO LEAD TO RISES 
 AND POSSIBLY SOME FLOODING ON AREA RIVERS AND STREAMS. 

* IN ADDITION TO RISES ON AREA RIVERS AND STREAMS...PONDING OF 
 WATER ON ROADWAYS AND LOCALIZED URBAN FLOODING WILL ALSO BE 
 POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

JW/04
544 
WGUS63 KARX 222037
FFAARX

FLOOD WATCH
NATIONAL WEATHER SERVICE LA CROSSE WI
337 PM CDT TUE MAR 22 2011

...PERIODS OF HEAVY RAIN POSSIBLE TONIGHT...

.SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS THE REGION THIS
EVENING WITH PERIODS OF HEAVY RAIN EXPECTED. THROUGH THIS
EVENING...WIDESPREAD RAINFALL AMOUNTS AROUND AN INCH WILL BE
POSSIBLE. THE SHOWERS AND STORMS WILL SHIFT SOUTH OF THE AREA
OVERNIGHT AND BE REPLACED BY LIGHT RAIN WHICH WILL EVENTUALLY
CHANGE OVER TO OR MIX WITH LIGHT SNOW THROUGH WEDNESDAY. BY THE
TIME ALL THE PRECIPITATION ENDS...RAINFALL AMOUNTS OF 1 TO 2
INCHES WILL BE POSSIBLE IN THE WATCH AREA.

THIS RAIN IS EXPECTED TO QUICKLY SATURATE THE GROUND AND LEAD TO
RUN OFF INTO AREA RIVERS AND STREAMS. THIS RUN OFF WILL RESULT IN
RISES ON THE RIVERS AND STREAMS. WITH WATER LEVELS ALREADY HIGH
FROM RECENT SNOW MELT AND PREVIOUS RAINS...THE ADDITIONAL RISES
ARE EXPECTED TO LEAD TO FLOODING ON MANY OF THE RIVERS AND
STREAMS ACROSS THE AREA.

IN ADDITION...THE RAINFALL COULD LEAD TO PONDING OF WATER ON
ROADWAYS...ALONG WITH LOCALIZED URBAN FLOODING.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-
041>044-053>055-061-230445-
/O.CON.KARX.FA.A.0001.000000T0000Z-110324T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...BLACK RIVER FALLS...
LA CROSSE...SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN...
RICHLAND CENTER...PLATTEVILLE
337 PM CDT TUE MAR 22 2011

...FLOOD WATCH REMAINS IN EFFECT THROUGH WEDNESDAY EVENING...

THE FLOOD WATCH CONTINUES FOR

* PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND WISCONSIN...
 INCLUDING THE FOLLOWING AREAS...IN IOWA...ALLAMAKEE...
 CHICKASAW...CLAYTON...FAYETTE...FLOYD...HOWARD...MITCHELL AND 
 WINNESHIEK. IN SOUTHEAST MINNESOTA...DODGE...FILLMORE...
 HOUSTON...MOWER...OLMSTED...WABASHA AND WINONA. IN WISCONSIN...
 ADAMS...BUFFALO...CRAWFORD...GRANT...JACKSON...JUNEAU...LA 
 CROSSE...MONROE...RICHLAND...TREMPEALEAU AND VERNON.

* THROUGH WEDNESDAY EVENING

* RAINFALL OF 1 TO 2 INCHES IS EXPECTED THROUGH WEDNESDAY 
 EVENING. WITH GROUNDS SATURATED FROM RECENT RAINS AND SNOW 
 MELT...THE RUNOFF FROM THE RAIN IS EXPECTED TO LEAD TO RISES 
 AND POSSIBLY SOME FLOODING ON AREA RIVERS AND STREAMS. 

* IN ADDITION TO RISES ON AREA RIVERS AND STREAMS...PONDING OF 
 WATER ON ROADWAYS AND LOCALIZED URBAN FLOODING WILL ALSO BE 
 POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

&&

$$

WETENKAMP
396 
WGUS63 KARX 230838
FFAARX

FLOOD WATCH
NATIONAL WEATHER SERVICE LA CROSSE WI
338 AM CDT WED MAR 23 2011

...THE THREAT FOR HEAVY RAIN HAS ENDED...

.THE THREAT FOR HEAVY RAIN HAS SHIFTED WELL TO SOUTHEAST OF THE
REGION. SOME PRECIPITATION WILL STILL OCCUR ACROSS THE AREA
TODAY...BUT THIS WILL MAINLY BE LIGHT SNOW. LIQUID PRECIPITATION
AMOUNTS TODAY SHOULD BE AROUND A TENTH OF AN INCH OR LESS AND THIS
WILL NOT BE ENOUGH TO PRODUCE ANY ADDITIONAL FLOODING CONCERNS.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-
041>044-053>055-061-230945-
/O.CAN.KARX.FA.A.0001.000000T0000Z-110324T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...BLACK RIVER FALLS...
LA CROSSE...SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN...
RICHLAND CENTER...PLATTEVILLE
338 AM CDT WED MAR 23 2011

...FLOOD WATCH IS CANCELLED...

THE FLOOD WATCH FOR PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND
WISCONSIN HAS BEEN CANCELLED. THE THREAT FOR HEAVY RAIN HAS
SHIFTED WELL TO THE SOUTHEAST OF THE AREA. RAINFALL AMOUNTS ACROSS
THE WATCH AREA TUESDAY RANGED FROM AROUND THREE QUARTERS OF AN
INCH UP TO TWO AND A QUARTER INCHES. THIS RAINFALL WILL LEAD TO
ADDITIONAL RISES ON AREA RIVERS AND STREAMS.

$$

04

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS La Crosse, WI wrote its last area forecast discussion before this flood watch went out at Mar 21, 3:39 AM CDT, 7 hours 12 minutes earlier.

Area forecast discussion, Mar 21, 3:39 AM CDT, 7 hours 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
339 AM CDT MON MAR 21 2011

.SHORT TERM...THROUGH WEDNESDAY NIGHT

MAIN FORECAST CONCERN IS WITH THE PRECIPITATION CHANCES...TYPES
AND AMOUNTS FROM TONIGHT THROUGH WEDNESDAY.

SURFACE ANALYSIS THIS MORNING SHOWS AN AREA OF LOW PRESSURE OVER
THE MINNESOTA ARROWHEAD. THE COLD FRONT WITH THE LOW STRETCHES
SOUTHEAST FROM THE LOW ACROSS LAKE MICHIGAN AND THEN BACK ACROSS
ILLINOIS AND NORTHERN MISSOURI TO ANOTHER LOW FORMING OVER EASTERN
COLORADO.

WEAK UPPER LEVEL RIDGING WILL BE OVER THE REGION TODAY BUT THIS
WILL QUICKLY SLIDE OFF TO THE EAST TONIGHT ALLOWING SOUTHWEST FLOW
TO RETURN. THE SURFACE FRONT WILL BECOME STATIONARY TO THE SOUTH
OF THE AREA TODAY AND THEN QUICKLY BEGIN TO LIFT BACK TO THE NORTH
TONIGHT AS THE FLOW ALOFT BECOMES SOUTHWEST. THE 21.00Z GFS
INDICATES STRONG LOW LEVEL WARM AIR ADVECTION WILL SPREAD ACROSS
THE REGION TONIGHT IN THE SOUTHWEST FLOW. THE RESULTING ISENTROPIC
UP GLIDE WILL RANGE FROM 3 TO 7 UBAR/S ON THE 295K SURFACE AND WITH
LITTLE DRYING EXPECTED TODAY...IT WILL TAKE VERY LITTLE LIFT TO
ALLOW SATURATION TO OCCUR. THE GFS AND BOTH THE 20.12Z AND 21.00Z
ECMWF QUICKLY DEVELOP SHOWERS ALONG AND NORTH OF THE FRONT WITH
THESE SPREADING INTO THE AREA MAINLY SOUTH OF THE IOWA/MINNESOTA
BORDER THIS EVENING. RAISED THE RAIN CHANCES WITH 20 ALONG I94 TO
60 IN THE SOUTHWEST. THE ISENTROPIC UP GLIDE WILL BE THE
STRONGEST AFTER 06Z AND WITH SOME WEAK MOISTURE TRANSPORT INTO THE
AREA ON THIS SURFACE...WENT AHEAD AND RAISED THE PRECIPITATION
CHANCES WITH MOST OF THE AREA BETWEEN 70 AND 90 PERCENT. MOST OF
THE AREA SHOULD REMAIN WARM ENOUGH FOR JUST RAIN BUT DID MAINTAIN
THE CHANCE OF A RAIN/SNOW MIX FOR AREAS NORTH OF I94. ALSO ADDED
SOME THUNDER CHANCES ACROSS THE SOUTHWEST SECTIONS WHERE THE GFS
SHOWS UP TO 250 J/KG OF ELEVATED CAPE ABOVE 1 KM.

THE MEAN UPPER LEVEL TROUGH WILL APPROACH FROM THE WEST TUESDAY
WITH AN UPPER LEVEL LOW EXPECTED TO BE OVER MONTANA. A SHORT WAVE
TROUGH IS EXPECTED TO ROTATE AROUND THE LOW AND MOVE ACROSS THE
REGION TUESDAY AFTERNOON AND EVENING. THIS WAVE IS EXPECTED TO
PUSH UP TO 30 PVU/S OF VORTICITY ADVECTION IN THE 500-300 MB LAYER
ACROSS THE REGION. THE ISENTROPIC UP GLIDE WILL INCREASE AHEAD OF
THE WAVE AND SHOULD BE ON THE ORDER OF 10 UBAR/S ON THE 295K
SURFACE. THE MOISTURE TRANSPORT WILL ALSO INCREASE AND SHOULD BE
POINTED RIGHT INTO THE AREA DURING THE AFTERNOON. THE GFS SHOWS A
GOOD FRONTOGENESIS SIGNAL DEVELOPING DURING THE AFTERNOON BUT THEN
LOSES IT DURING THE EVENING WHERE AS THE 21.00Z NAM CONTINUES IS
FROM CENTRAL MINNESOTA TO SOUTHEAST WISCONSIN...ESPECIALLY IN THE
850-700 MB LAYER. THIS SHOULD RESULT IN WIDESPREAD PRECIPITATION
THROUGH THE ENTIRE DAY TUESDAY FOR THE ENTIRE AREA WITH THUNDER
REMAINING A POSSIBILITY ACROSS THE SOUTHWEST HALF.

AS THE SHORT WAVE TROUGH PASSES BY ALOFT...THE LOW OVER COLORADO
WILL BE MOVING ALONG THE FRONT AND WILL START TO BRING COLDER AIR
INTO THE REGION. THE BEST ISENTROPIC UP GLIDE WILL BE TRANSLATING
EAST OF THE AREA...BUT THE GFS STILL SUGGESTS UP TO 4 UBAR/S
CONTINUING THROUGH TUESDAY NIGHT. THE GFS REDEVELOPS THE
FRONTOGENESIS SIGNAL DURING THE OVERNIGHT FROM CENTRAL MINNESOTA
TO SOUTHEAST WISCONSIN AND IS THE STRONGEST WITH IT IN THE
PREFERRED 500-700 MB LAYER. THERE IS ALSO EXPECTED TO BE GOOD FN
VECTOR CONVERGENCE ASSOCIATED WITH THE FRONTOGENESIS WITH THE NAM
SHOWING THIS TO BE STRONGEST IN THE 750-650 MB LAYER. THE
PRECIPITATION TYPE WILL BE TRANSITIONING FROM RAIN OR THE
RAIN/SNOW MIX TO ALL SNOW...ESPECIALLY ACROSS THE NORTH. THE
UNKNOWN IS HOW MANY OTHER PRECIPITATION TYPES WILL ALSO OCCUR. THE
THERMAL PROFILES FROM BOTH THE NAM AND GFS NO LONGER SUPPORT MUCH
SLEET BUT CAN NOT TOTALLY RULE IT OUT. SO DID NOT REMOVE THE SLEET
BUT DID LOWER THE PROBABILITIES SOME FROM THE PREVIOUS FORECAST.
THERE COULD ALSO BE A SHORT PERIOD OF SOME FREEZING RAIN OR SOME
FREEZING DRIZZLE IF THE NAM IS CORRECT AND THE ICE CRYSTAL CLOUDS
ARE LOST FOR A WHILE. WENT AHEAD AND ADDED SOME LOW PROBABILITIES
FOR FREEZING DRIZZLE ACROSS THE NORTH TO COVER THIS POSSIBILITY.
WITH THE AMPLE FORCING...A PERIOD OF SOME HEAVY SNOW LOOKS TO BE
POSSIBLE ACROSS THE NORTH AS WELL WITH ACCUMULATIONS AROUND 6
INCHES POSSIBLE FOR AREAS NORTH OF HIGHWAY 29. THE FORCING WILL
START TO WEAKEN AND MOVE OFF TO THE EAST WEDNESDAY BUT STILL
SHOULD BE STRONG ENOUGH TO PRODUCE MORE ACCUMULATING SNOWS ACROSS
THE NORTH. WILL ISSUE A WINTER STORM WATCH WITH THIS PACKAGE FOR
TAYLOR AND CLARK COUNTIES.

.LONG TERM...THURSDAY THROUGH SUNDAY

ANOTHER SYSTEM LOOKS TO CROSS THE CENTRAL PART OF THE COUNTRY LATE
IN THE WEEK. IT APPEARS THE BULK OF THE PRECIPITATION FROM THIS
SYSTEM SHOULD PASS BY TO THE SOUTH BUT COULD STILL SEE THE
NORTHERN EDGE OF THE PRECIPITATION BRUSH PARTS OF THE AREA THURSDAY
NIGHT AND FRIDAY. DIFFERENCES THEN SHOW UP FOR THE WEEKEND WITH
THE GFS SHOWING A STRONG SURFACE LOW MOVING FROM KANSAS TOWARD THE
OHIO RIVER VALLEY WITH LOTS OF PRECIPITATION ON THE NORTH SIDE OF
THE LOW TRACKING ACROSS THE REGION. THE ECMWF WHILE SHOWING A
LITTLE BIT OF PRECIPITATION FOR THE REGION SUGGESTS A CANADIAN
HIGH WILL BE THE DOMINANT FEATURE FOR THE REGION. USED THE MODEL
CONSENSUS GRIDS FOR NOW UNTIL THERE IS BETTER AGREEMENT ON WHICH
SOLUTION IS CORRECT.

&&

.AVIATION...

LIFR TO MVFR STRATUS OVER THE TAF SITES WILL BE SLOWER TO SCATTER OUT
THIS MORNING. GRADUAL IMPROVEMENT IS EXPECTED AS DRIER AIR ADVECTS
INTO THE AREA. VFR CONDITIONS ARE THEN EXPECTED BY LATER THIS
MORNING AND WILL CONTINUE THROUGH THIS AFTERNOON AS HIGH PRESSURE MOVES
ACROSS THE TAF SITES. THE PERIOD OF VFR CONDITIONS LOOKS TO BE
SHORT-LIVED AS A WARM FRONT OVER THE CENTRAL PLAINS LIFTS NORTH.
PLENTIFUL MOISTURE RETURNING NORTH OVER THE FRONT WILL FIRST BE
NOTICED BY THICKENING ALTOSTRATUS THIS EVENING...WHICH COULD EVEN
PRODUCE SOME LIGHT RAIN AT KRST. FURTHER LOWERING OF THE CEILINGS IS
EXPECTED AFTER MIDNIGHT WITH MVFR AND EVEN IFR CONDITIONS POSSIBLE
BETWEEN 09-12Z TUESDAY. RAIN IS LIKELY TOO AFTER MIDNIGHT...WHICH
COULD BE ENOUGH TO PRODUCE SOME MVFR BR DURING THAT 09-12Z PERIOD.
PLAN ON IFR TO MVFR CONDITIONS FOR TUESDAY AS WELL...ALONG WITH MORE
RAIN.

&&

.HYDROLOGY...

THE STREAMS QUICKLY JUMPED SUNDAY FROM THE RAIN THAT FELL ACROSS
THE AREA. EXPECTING ANOTHER RISE TO OCCUR FROM MONDAY NIGHT
THROUGH TUESDAY NIGHT WITH THE ADDITIONAL PRECIPITATION THAT IS
EXPECTED OCCUR. CURRENT INDICATIONS ARE THAT AMOUNTS OF 1.25 TO
1.75 INCHES WITH LOCALLY HIGHER AMOUNTS WILL BE POSSIBLE. THIS
SHOULD PUSH QUITE A FEW OF THE RIVERS HIGHER AND POSSIBLY OUT OF
THEIR BANKS. AT THIS TIME...EXPECT ANY FLOODING TO PRIMARILY BE
LIMITED TO THE RIVERS AND NOT PLANNING TO ISSUE A FLOOD WATCH.

FOR A MORE COMPLETE EXPLANATION OF THE ONGOING HYDROLOGY CONCERNS
AND FORECASTS...PLEASE REFER TO THE LATEST HYDROLOGIC STATEMENT
/MKERVSARX FGUS83/...HYDROLOGIC OUTLOOK /MKEESFARX FGUS73/ AND
FLOOD STATEMENT /MKEFLSARX WGUS83/ PRODUCTS.

&&

.ARX WATCHES/WARNINGS/ADVISORIES...
WI...WINTER STORM WATCH FROM TUESDAY EVENING THROUGH WEDNESDAY
EVENING FOR WIZ017-WIZ029.

MN...NONE.
IA...NONE.
&&

SHORT/LONG TERM...04
AVIATION...DAS/AJ
HYDROLOGY...04
Hazardous weather outlook, Mar 21, 5:57 AM CDT, 4 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
557 AM CDT MON MAR 21 2011

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-041>044-
053>055-061-221100-
ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CLAYTON-CRAWFORD-DODGE-FAYETTE-
FILLMORE-FLOYD-GRANT-HOUSTON-HOWARD-JACKSON-JUNEAU-LA CROSSE-
MITCHELL-MONROE-MOWER-OLMSTED-RICHLAND-TREMPEALEAU-VERNON-WABASHA-
WINNESHIEK-WINONA-
557 AM CDT MON MAR 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA AND SOUTHWEST INTO CENTRAL WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

WARM TEMPERATURES AND RUNOFF FROM RECENT RAINFALL AND SNOWMELT WILL
KEEP RIVER LEVELS ON THE RISE AT MANY LOCATIONS. STREAMS AND
RIVERS COULD REACH OR EXCEED FLOOD STAGE IN SOME LOCATIONS OVER THE
NEXT FEW DAYS. THOSE WITH RIVER INTERESTS SHOULD CONTINUE TO PAY
CLOSE ATTENTION TO THE LATEST FORECASTS THROUGH THIS COMING WEEK.

THERE WILL BE A CHANCE FOR SOME THUNDERSTORMS TONIGHT FOR AREAS
SOUTH OF A LINE FROM DODGE CENTER MINNESOTA TO BOSCOBEL WISCONSIN.
OCCASIONAL HEAVY RAIN...SMALL HAIL AND LIGHTNING LOOK TO BE THE MAIN
THREATS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

PRECIPITATION WILL CONTINUE INTO WEDNESDAY. TEMPERATURES WILL
BE WARM ENOUGH FOR MAINLY RAIN TO FALL THROUGH TUESDAY EVENING...
BUT SNOW OR A MIXTURE OF RAIN...SNOW WILL BE LIKELY LATER TUESDAY
NIGHT INTO WEDNESDAY. SOME SLEET COULD ALSO FALL TUESDAY NIGHT FOR
AREAS NORTH OF INTERSTATE 90. SOME THUNDERSTORMS WITH SMALL HAIL
WILL CONTINUE TO BE POSSIBLE TUESDAY FOR AREAS SOUTH OF THE DODGE
CENTER MINNESOTA TO BOSCOBEL WISCONSIN LINE. HEAVY RAINFALL IS ALSO
POSSIBLE TUESDAY INTO TUESDAY NIGHT...WHICH WOULD RESULT IN MORE
RISES ON AREA RIVERS AND STREAMS. IN ADDITION...SOME SNOW AND SLEET
ACCUMULATION IS POSSIBLE LATER TUESDAY NIGHT INTO WEDNESDAY...MAINLY
NORTH OF INTERSTATE 90.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF RAINFALL OR ANY HIGH RIVER LEVELS WOULD BE APPRECIATED THE
NEXT FEW DAYS.

.EMERGENCY MANAGEMENT COORDINATION...

A WEBINAR IS SCHEDULED FOR 11 AM. THIS WEBINAR WILL ADDRESS THE HEAVY
RAINFALL POTENTIAL FROM TONIGHT INTO TUESDAY NIGHT AND THE RESULTING
FLOODING THREATS. IT WILL ALSO ADDRESS THE WINTER STORM POTENTIAL
ACROSS NORTH CENTRAL WISCONSIN.

WIZ017-029-221100-
CLARK-TAYLOR-
557 AM CDT MON MAR 21 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

WARM TEMPERATURES AND RUNOFF FROM RECENT RAINFALL AND SNOWMELT WILL
KEEP RIVER LEVELS ON THE RISE AT MANY LOCATIONS. STREAMS AND
RIVERS COULD REACH OR EXCEED FLOOD STAGE IN SOME LOCATIONS OVER THE
NEXT FEW DAYS. THOSE WITH RIVER INTERESTS SHOULD CONTINUE TO PAY
CLOSE ATTENTION TO THE LATEST FORECASTS THROUGH THIS COMING WEEK.

RAIN SHOWERS WILL MOVE INTO THE AREA AFTER MIDNIGHT. TEMPERATURES
COULD GET COLD ENOUGH FOR SOME SNOW TO MIX IN WITH THE RAIN. NO
SNOW ACCUMULATION IS EXPECTED TO OCCUR.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A MIXTURE OF RAIN AND SNOW WILL CONTINUE TUESDAY BEFORE CHANGING
OVER TO SNOW TUESDAY NIGHT. A PERIOD OF HEAVY SNOW LOOKS TO BE
POSSIBLE TUESDAY NIGHT. MORE SNOW IS EXPECTED TO FALL WEDNESDAY
BEFORE TAPERING OFF WEDNESDAY NIGHT. ACCUMULATIONS OF 6 INCHES OR
MORE ARE POSSIBLE AND A WINTER STORM WATCH IS IN EFFECT FOR TUESDAY
NIGHT AND WEDNESDAY. SOME SLEET OR FREEZING DRIZZLE COULD ALSO FALL
FOR A WHILE TUESDAY NIGHT INTO WEDNESDAY MORNING BUT LITTLE IF ANY
ICE ACCUMULATION IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF SNOW ACCUMULATIONS...RAINFALL OR ANY HIGH RIVER LEVELS
WOULD BE APPRECIATED THE NEXT FEW DAYS.

.EMERGENCY MANAGEMENT COORDINATION...

A WEBINAR IS SCHEDULED FOR 11 AM. THIS WEBINAR WILL ADDRESS THE HEAVY
RAINFALL POTENTIAL FROM TONIGHT INTO TUESDAY NIGHT AND THE RESULTING
FLOODING THREATS. IT WILL ALSO ADDRESS THE WINTER STORM POTENTIAL
ACROSS NORTH CENTRAL WISCONSIN.

04

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 20, 7:14 PM CDTDense Fog AdvisoryARXAdams, Buffalo, Clark, Jackson, Juneau, La Crosse and 3 more8 hr
Mar 20, 7:26 PM CDTRiver Flood WarningARXCrawford7 days
Mar 20, 8:28 PM CDTRiver Flood WarningARXRichland, Vernon4 days
Mar 20, 8:28 PM CDTRiver Flood WarningARXCrawford, Vernon5 days
Mar 20, 8:28 PM CDTRiver Flood WarningARXCrawford, Vernon5 days
Mar 20, 8:28 PM CDTRiver Flood WarningARXCrawford8 days
Mar 20, 10:34 PM CDTRiver Flood WarningARXJackson70 hr
Mar 21, 3:58 AM CDTWinter Storm WatchARXClark, Taylor24 hr
Mar 21, 11:02 AM CDTRiver Flood WarningARXLa Crosse, Trempealeau4 days
Mar 20, 9:20 PM CDTRiver Flood WarningARXAllamakee3 days
Mar 21, 11:40 AM CDTRiver Flood WarningARXFloyd, Mitchell4 days

Nearby

Flood Watches in Wisconsin, 2011Flood Watches in Iowa, 2011Flood Watches in Minnesota, 2011Every flood watch in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.