Alert archive / Iowa / Flash Flood Watches in 2008
Flash Flood Watch 2, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood watch at Jun 7, 2008, 4:02 AM CDT for 7 counties in Minnesota; 8 counties in Iowa; 8 counties in Wisconsin. It took effect at Jun 7, 2008, 6:00 PM CDT. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Jun 7, 2008, 4:02 AM CDT (09:02 UTC)
- In effect from
- Jun 7, 2008, 6:00 PM CDT
- Expired
- Jun 9, 2008, 12:00 AM CDT
- In force
- 30 hr
- Issued by
- NWS La Crosse, WI
- Flood severity
- None
All 23 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, Crawford County, WI, Grant County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 46 km from the middle of the area, began a volume at 09:03 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 00:00Z, 9.0 hours before the alert went out and 217 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.
- Mixed-layer CAPE
- 56 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1164 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS63 KARX 070902 FFAARX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 402 AM CDT SAT JUN 7 2008 ...HEAVY RAIN EXPECTED TO OCCUR TONIGHT... .A SLOW MOVING COLD FRONT WILL BE OVER THE AREA TONIGHT. SEVERAL ROUNDS OF WIDESPREAD THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG THE FRONT AND THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAINS. WIDESPREAD RAINFALL AMOUNTS OF 1 TO 1.5 INCHES ARE EXPECTED WITH LOCAL AMOUNTS OF 3 INCHES OF MORE POSSIBLE. AREAS WEST OF THE MISSISSIPPI RIVER HAVE RECENTLY RECEIVED ENOUGH RAIN THAT THE EXPECTED RAINFALL AMOUNTS TONIGHT COULD LEAD TO SOME FLASH FLOODING...ESPECIALLY IN STEEPER TERRAIN AND POOR DRAINAGE AREAS. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ061-071715- /O.NEW.KARX.FF.A.0002.080608T0000Z-080608T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...PLATTEVILLE 402 AM CDT SAT JUN 7 2008 ...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND SOUTHWEST 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 SOUTHWEST WISCONSIN...GRANT. * FROM THIS EVENING THROUGH SUNDAY MORNING * SEVERAL ROUNDS OF WIDESPREAD THUNDERSTORMS ARE EXPECTED TO DEVELOP TONIGHT ALONG A SLOW MOVING COLD FRONT. THESE STORMS WILL HAVE THE POTENTIAL TO PRODUCE WIDESPREAD RAINFALL AMOUNTS OF 1 TO 1.5 INCHES WITH LOCALIZED AMOUNTS UP TO 3 INCHES. THIS MAY RESULT IN FLASH FLOODING IN STEEPER TERRAIN AND POOR DRAINAGE AREAS. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ 04
9 follow-up statements
000 WGUS63 KARX 071707 FFAARX FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 1207 PM CDT SAT JUN 7 2008 ...WAVES OF THUNDERSTORMS COULD LEAD TO FLOODING TONIGHT... .THUNDERSTORMS FROM THIS MORNING PRODUCED SOME HEAVY RAIN...UP TO A HALF INCH IN PLACES...ACROSS PARTS OF SOUTHEAST MINNESOTA. THERE ARE MORE THUNDERSTORMS ACROSS NORTHEAST IOWA EARLY THIS AFTERNOON AND MORE COULD REDEVELOP AS THE DAY WEARS ON. IN ADDITION...THUNDERSTORMS ARE EXPECTED TO FORM TO THE WEST OF THE AREA HEADING INTO TONIGHT THAT COULD MOVE ACROSS THESE SAME AREAS AND INCREASE THE FLOOD THREAT. ANYONE IN VALLEYS OR LOW AREAS THAT COULD EASILY FLASH FLOOD SHOULD MONITOR WEATHER CONDITIONS CLOSELY TONIGHT. IF YOU ARE CAMPING...HAVE AN ACTION PLAN AHEAD OF TIME. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ061-080115- /O.CON.KARX.FF.A.0002.080608T0000Z-080608T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...PLATTEVILLE 1207 PM CDT SAT JUN 7 2008 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND SOUTHWEST 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 SOUTHWEST WISCONSIN...GRANT. * FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING * SEVERAL ROUNDS OF THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND AGAIN TONIGHT THAT COULD LEAD TO FLOODING. RAINFALL AMOUNTS OF 1 TO 1.5 INCHES WITH LOCALIZED AMOUNTS UP TO 3 INCHES ARE POSSIBLE. THIS MAY RESULT IN FLASH FLOODING IN STEEPER TERRAIN AND POOR DRAINAGE AREAS. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ SHEA
000 WGUS63 KARX 071835 FFAARX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 135 PM CDT SAT JUN 7 2008 ...ADDITIONAL THUNDERSTORM DEVELOPMENT EXPECTED TONIGHT... .ROUNDS OF THUNDERSTORMS HAVE ALREADY IMPACTED PARTS OF THE REGION TODAY DROPPING UP TO TWO INCHES OF RAIN IN SHORT PERIODS OF TIME AND MINOR FLOODING. ADDITIONAL THUNDERSTORMS ARE EXPECTED TO FORM PERHAPS AS EARLY AS THIS EVENING...AND CERTAINLY OVERNIGHT THAT MAY BRING MORE HEAVY RAIN AND LEAD TO FLOODING. ANYONE IN VALLEYS OR LOW AREAS THAT COULD EASILY FLASH FLOOD SHOULD MONITOR WEATHER CONDITIONS CLOSELY TONIGHT. IF YOU ARE CAMPING...HAVE AN ACTION PLAN AHEAD OF TIME. WIZ041-042-053>055-080245- /O.EXA.KARX.FF.A.0002.080608T0000Z-080608T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LA CROSSE-MONROE-VERNON-CRAWFORD-RICHLAND- INCLUDING THE CITIES OF...LA CROSSE...SPARTA/TOMAH...VIROQUA... PRAIRIE DU CHIEN...RICHLAND CENTER 135 PM CDT SAT JUN 7 2008 ...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE PORTIONS OF SOUTHWEST WISCONSIN AND WEST CENTRAL WISCONSIN...INCLUDING THE FOLLOWING AREAS... IN SOUTHWEST WISCONSIN...CRAWFORD...RICHLAND AND VERNON. IN WEST CENTRAL WISCONSIN...LA CROSSE AND MONROE. * FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING * THUNDERSTORMS HAVE BROUGHT HEAVY RAIN TO THIS PART OF WISCONSIN SO FAR TODAY. ADDITIONAL STORMS ARE POSSIBLE OVERNIGHT THAT COULD CERTAINLY MAKE THE FLOODING POTENTIAL A LOT WORSE. THIS MAY RESULT IN FLASH FLOODING IN STEEPER TERRAIN AND POOR DRAINAGE AREAS. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ061-080245- /O.CON.KARX.FF.A.0002.080608T0000Z-080608T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...PLATTEVILLE 135 PM CDT SAT JUN 7 2008 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND SOUTHWEST WISCONSIN...INCLUDING THE FOLLOWING AREAS...IN IOWA... ALLAMAKEE...CHICKASAW...CLAYTON...FAYETTE...FLOYD...HOWARD... MITCHELL AND WINNESHIEK. IN SOUTHEAST MINNESOTA...DODGE... FILLMORE...HOUSTON...MOWER...OLMSTED...WABASHA AND WINONA. IN SOUTHWEST WISCONSIN...GRANT. * FROM 7 PM CDT THIS EVENING THROUGH SUNDAY MORNING * ALTHOUGH THUNDERSTORMS ARE POSSIBLE THROUGH THE REST OF THE DAY...ADDITIONAL DEVELOPMENT IS POSSIBLE TONIGHT. THESE STORMS WILL ALL HAVE THE POTENTIAL TO PRODUCE HEAVY RAIN AND COULD LEAD TO FLOODING PROBLEMS. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ SHEA
000 WGUS63 KARX 072306 FFAARX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 606 PM CDT SAT JUN 7 2008 ...ROUNDS OF HEAVY RAIN CONTINUE TO HIT THE AREA... .THUNDERSTORMS EXTEND FROM NORTHERN IOWA ACROSS SOUTHEAST MINNESOTA AND INTO CENTRAL WISCONSIN EARLY THIS EVENING. SOME AREAS HAVE RECEIVED 3 TO 4 INCHES OF RAIN AND WITH THESE ADDITIONAL STORMS YET TO MOVE THROUGH...THE THREAT FOR FLASH FLOODING IS RELATIVELY HIGH. HARDEST HIT AREAS WILL LIKELY RUN THE MINNESOTA AND IOWA STATE LINE INTO MONROE AND VERNON COUNTIES IN WESTERN WISCONSIN. ANYONE IN VALLEYS OR LOW AREAS THAT COULD EASILY FLASH FLOOD SHOULD MONITOR WEATHER CONDITIONS CLOSELY TONIGHT. IF YOU ARE CAMPING...HAVE AN ACTION PLAN AHEAD OF TIME. WIZ043-044-080715- /O.EXB.KARX.FF.A.0002.080607T2306Z-080608T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ JUNEAU-ADAMS- INCLUDING THE CITY OF...MAUSTON 606 PM CDT SAT JUN 7 2008 ...FLASH FLOOD WATCH IN EFFECT THROUGH SUNDAY MORNING... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE A PORTION OF CENTRAL WISCONSIN... INCLUDING THE FOLLOWING AREAS...ADAMS AND JUNEAU. * THROUGH SUNDAY MORNING * EARLIER HEAVY RAIN COMBINED WITH NEW THUNDERSTORMS APPROACHING WILL LIKELY CAUSE WATER PROBLEMS...ESPECIALLY CLOSER TO INTERSTATE 90 AND 94. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ041-042- 053>055-061-080715- /O.EXT.KARX.FF.A.0002.080607T2300Z-080608T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- LA CROSSE-MONROE-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...LA CROSSE... SPARTA/TOMAH...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER... PLATTEVILLE 606 PM CDT SAT JUN 7 2008 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY MORNING... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND WISCONSIN... INCLUDING THE FOLLOWING AREAS...IN IOWA...ALLAMAKEE... CHICKASAW...CLAYTON...FAYETTE...FLOYD...HOWARD...MITCHELL AND WINNESHIEK. IN SOUTHEAST MINNESOTA...DODGE...FILLMORE... HOUSTON...MOWER...OLMSTED...WABASHA AND WINONA. IN WISCONSIN... CRAWFORD...GRANT...LA CROSSE...MONROE...RICHLAND AND VERNON. * THROUGH SUNDAY MORNING * THUNDERSTORMS WITH TORRENTIAL RAINS CONTINUE TO PLAGUE THE REGION. SEVERAL INCHES OF RAIN MAY FALL VERY QUICKLY AND COULD LEAD TO FLASH FLOODING. BE VERY CAUTIOUS IN STEEP TERRAIN AREAS. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ SHEA
000 WGUS63 KARX 080150 FFAARX FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 850 PM CDT SAT JUN 7 2008 ...FLASH FLOODING THREAT TO CONTINUE OVERNIGHT... .ONE TO FOUR INCHES OF RAINFALL HAS ALREADY OCCURRED ALONG AND SOUTH OF INTERSTATE 90...CENTERED ON THE IOWA AND MINNESOTA STATE LINE...EAST TOWARD THE JUNCTION OF INTERSTATES 90 AND 94. FLASH FLOODING HAS ALREADY OCCURRED AND NUMEROUS ROADS HAVE BEEN FLOODED AND CREEKS ARE OUT OF THEIR BANKS. THROUGH THE OVERNIGHT HOURS...WHILE THIS WATER CONTINUES TO RUN OFF AND CONTINUE TO POSE A FLASH FLOOD THREAT...THE THREAT FOR ADDITIONAL FLASH FLOODING WILL DEVELOP FOR AREAS OF NORTHEAST IOWA INTO EXTREME SOUTHWEST WISCONSIN AS THE VERY SLOW MOVING LINE OF THUNDERSTORMS CONTINUES TO AFFECT THE AREA. THEREFORE...A LARGE AREA OF POTENTIALLY DANGEROUS FLASH FLOODING IS POSSIBLE THROUGH THE HOURS OF DARKNESS...WHEN THE MOST FLASH FLOODING FATALITIES OCCUR. AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL IS POSSIBLE OVER PORTIONS OF NORTHEAST IOWA INTO EXTREME SOUTHEAST WISCONSIN...LOCALLY MORE. WHILE AREAS WHICH SAW THE EXCESSIVE RAINS ON SATURDAY AFTERNOON MAY SEE A RESPITE THROUGH MUCH OF THE NIGHT...CONTINUED RUNOFF COULD CONTINUE FLASH FLOOD THREATS. ANYONE IN VALLEYS OR LOW AREAS THAT COULD EASILY FLASH FLOOD SHOULD MONITOR WEATHER CONDITIONS CLOSELY TONIGHT. IF YOU ARE CAMPING...HAVE AN ACTION PLAN AHEAD OF TIME. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ041>044- 053>055-061-081000- /O.CON.KARX.FF.A.0002.000000T0000Z-080608T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...LA CROSSE... SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN... RICHLAND CENTER...PLATTEVILLE 850 PM CDT SAT JUN 7 2008 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT SUNDAY... THE FLASH 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...CRAWFORD...GRANT...JUNEAU...LA CROSSE...MONROE... RICHLAND AND VERNON. * UNTIL 7 AM CDT SUNDAY * THUNDERSTORMS WITH TORRENTIAL RAINS CONTINUE TO PLAGUE PORTIONS OF THE REGION. ONE TO FOUR INCHES OF RAIN MAY FALL VERY QUICKLY AND COULD LEAD TO FLASH FLOODING OVER PORTIONS OF NORTHEAST IOWA AND EXTREME SOUTHWEST WISCONSIN. FURTHER NORTH...RUNOFF FROM CURRENT FLASH FLOODING ALONG AND SOUTH OF INTERSTATE 90 TOWARD THE INTERSTATE 90/94 JUNCTION WILL CONTINUE. BE VERY CAUTIOUS IN STEEP TERRAIN AREAS. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ BINAU
000 WGUS63 KARX 080913 FFAARX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 413 AM CDT SUN JUN 8 2008 ...FLASH FLOODING THREAT WILL CONTINUE THROUGH THE DAY... .DOPPLER RADAR ESTIMATES INDICATE THAT BETWEEN 2 AND 5 INCHES OF RAIN HAS ALREADY FALLEN ACROSS ALL OF NORTHEAST IOWA INTO SOUTHWEST AND CENTRAL WISCONSIN. NUMEROUS ROADS HAVE ALREADY BEEN CLOSED ACROSS THE AREA AND SEVERAL STREAMS ARE OUT OF THEIR BANKS. SEVERAL MORE ROUNDS OF THUNDERSTORMS WILL OCCUR THROUGH THE DAY AHEAD OF A SLOW MOVING COLD FRONT. THESE THUNDERSTORMS WILL HAVE THE POTENTIAL TO DROP AN ADDITIONAL WIDESPREAD 1 TO 1.5 INCHES OF RAIN ACROSS THE AREA. SOME LOCALIZED SPOTS COULD RECEIVE UP TO ANOTHER 3 INCHES OF RAIN TODAY. ALL OF THIS WATER WILL CONTINUE TO RUN OFF AND WILL AGGRAVATE EXISTING FLOODING AND PRODUCE NEW FLASH FLOODING THREATS. PEOPLE WHO LIVE IN VALLEYS OR LOW LYING AREAS THAT ARE PRONE TO FLASH FLOODING SHOULD MONITOR WEATHER CONDITIONS THROUGH THE DAY AND BE PREPARED TO MOVE TO HIGHER GROUND. PLAN AHEAD AND KNOW WHAT ACTIONS TO TAKE IF A WARNING IS ISSUED FOR YOUR AREA. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ041>044- 053>055-061-081715- /O.EXT.KARX.FF.A.0002.000000T0000Z-080609T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...LA CROSSE... SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN... RICHLAND CENTER...PLATTEVILLE 413 AM CDT SUN JUN 8 2008 ...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS EVENING... THE FLASH FLOOD WATCH IS NOW IN EFFECT 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...CRAWFORD...GRANT...JUNEAU...LA CROSSE...MONROE... RICHLAND AND VERNON. * THROUGH THIS EVENING * SEVERAL MORE ROUNDS OF THUNDERSTORMS WITH HEAVY RAIN WILL MOVE ACROSS THE AREA TODAY. ADDITIONAL WIDESPREAD RAINFALL AMOUNTS OF 1 TO 1.5 INCHES WITH LOCALLY HIGHER AMOUNTS WILL OCCUR. THIS WILL AGGRAVATE EXISTING FLOODING AND CREATE NEW FLASH FLOODING THREATS. PEOPLE WHO LIVE IN VALLEYS OR LOW LYING AREAS PRONE TO FLOODING SHOULD BE PREPARED TO MOVE TO HIGHER GROUND. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ 04
000 WGUS63 KARX 081629 FFAARX FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 1129 AM CDT SUN JUN 8 2008 ...FLASH FLOODING THREAT WILL CONTINUE INTO TONIGHT... .HEAVY RAIN FELL ACROSS PORTIONS OF THE AREA YESTERDAY AND EARLY THIS MORNING...WITH DOPPLER RADAR 24 HOUR ESTIMATES LAYING A 6 OR MORE INCH BAND OF RAINFALL FROM A ST. ANSGAR IOWA TO HILLSBORO AND PLAINVILLE WISCONSIN LINE. NUMEROUS ROADS ARE CLOSED ACROSS THE REGION DUE TO WATER OVER THE ROADWAYS...WASHOUTS...OR MUDSLIDES. MANY RIVERS AND STREAMS ARE RISING...OR OUT OF THEIR BANKS. ADDITIONAL RAINFALL IS EXPECTED THIS AFTERNOON AND EVENING...AS MORE THUNDERSTORMS CAPABLE OF PRODUCING HEAVY RAIN REDEVELOP. THESE THUNDERSTORMS WILL HAVE THE POTENTIAL TO DROP AN ADDITIONAL WIDESPREAD 1 TO 1 1/2 INCHES OF RAIN ACROSS THE AREA...WITH SOME LOCALIZED SPOTS UP TO 3 INCHES. ALL OF THIS WATER WILL CONTINUE TO RUN OFF AND WILL AGGRAVATE EXISTING FLOODING AND PRODUCE NEW FLASH FLOODING THREATS. PEOPLE WHO LIVE IN VALLEYS OR LOW LYING AREAS THAT ARE PRONE TO FLASH FLOODING SHOULD MONITOR WEATHER CONDITIONS THROUGH THE DAY AND BE PREPARED TO MOVE TO HIGHER GROUND. PLAN AHEAD AND KNOW WHAT ACTIONS TO TAKE IF A WARNING IS ISSUED FOR YOUR AREA. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ041>044- 053>055-061-090000- /O.CON.KARX.FF.A.0002.000000T0000Z-080609T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...LA CROSSE... SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN... RICHLAND CENTER...PLATTEVILLE 1129 AM CDT SUN JUN 8 2008 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE FLASH 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...CRAWFORD...GRANT...JUNEAU...LA CROSSE...MONROE... RICHLAND AND VERNON. * UNTIL 7 PM CDT THIS EVENING * SEVERAL MORE ROUNDS OF THUNDERSTORMS WITH HEAVY RAIN WILL MOVE ACROSS THE AREA TODAY. ADDITIONAL WIDESPREAD RAINFALL AMOUNTS OF 1 TO 1.5 INCHES WITH LOCALLY HIGHER AMOUNTS WILL OCCUR. THIS WILL AGGRAVATE EXISTING FLOODING AND CREATE NEW FLASH FLOODING THREATS. PEOPLE WHO LIVE IN VALLEYS OR LOW LYING AREAS PRONE TO FLOODING SHOULD BE PREPARED TO MOVE TO HIGHER GROUND. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ RIECK
000 WGUS63 KARX 082011 FFAARX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 311 PM CDT SUN JUN 8 2008 ...HEAVY RAIN AND FLASH FLOOD THREAT CONTINUES THROUGH THE EVENING... .IN THE WAKE OF THE HEAVY TO EXCESSIVE RAINS THAT FELL LAST NIGHT SOUTH OF INTERSTATE 90...MORE SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL RATES WILL CONTINUE INTO THE EVENING HOURS ACROSS FLOOD WEARY AREAS. WIDESPREAD RAINFALL AMOUNTS ACROSS THE WATCH AREA ARE EXPECTED TO RANGE FROM A HALF INCH TO AN INCH...WITH SOME LOCATIONS SEEING HEAVIER AND MORE PROLONGED THUNDERSTORM ACTIVITY EXPECTED TO SEE AMOUNTS TO 2 INCHES. GIVEN THE EXTREMELY SATURATED SOILS AND HIGH WATER ALREADY BEING REPORTED...RAPID FLASH FLOODING WILL BE POSSIBLE. MUDSLIDES WILL BE A PROBLEM IN THE HIGHER TERRAIN. THE CHANCE OF FLASH FLOOD PRODUCING STORMS WILL DECREASE LATER IN THE EVENING INTO THE OVERNIGHT AS A WEAK COOL FRONT SHIFTS THROUGH THE AREA. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ041>044- 053>055-061-090415- /O.EXT.KARX.FF.A.0002.000000T0000Z-080609T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...LA CROSSE... SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN... RICHLAND CENTER...PLATTEVILLE 311 PM CDT SUN JUN 8 2008 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... THE FLASH FLOOD WATCH IS NOW IN EFFECT 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...CRAWFORD...GRANT...JUNEAU...LA CROSSE...MONROE... RICHLAND AND VERNON. * UNTIL MIDNIGHT CDT TONIGHT * SEVERAL MORE ROUNDS OF THUNDERSTORMS WITH HEAVY RAIN WILL MOVE ACROSS THE AREA THROUGH THIS EVENING. ADDITIONAL WIDESPREAD RAINFALL AMOUNTS OF A HALF INCH TO INCH WITH LOCALLY HIGHER AMOUNTS WILL OCCUR. THIS WILL AGGRAVATE EXISTING FLOODING AND CREATE NEW FLASH FLOODING THREATS. PEOPLE WHO LIVE IN VALLEYS OR LOW LYING AREAS PRONE TO FLOODING SHOULD BE PREPARED TO MOVE TO HIGHER GROUND. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ BINAU
000 WGUS63 KARX 090249 FFAARX FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 949 PM CDT SUN JUN 8 2008 ...RAIN COMING TO AN END BUT LIFE THREATENING FLOODING PERSISTS... .WHILE RAIN WILL CONTINUE TO END FROM WEST TO EAST THROUGH THE REST OF THE EVENING...THE DANGEROUS AND LIFE THREATENING FLOOD POTENTIAL WILL CONTINUE THROUGH THE NIGHT...PARTICULARLY SOUTH OF INTERSTATE 90. WHILE THE FLOODED AREAS WILL REMAIN UNDER AREAL FLOOD WARNINGS THROUGH THE NIGHT...THERE IS A POTENTIAL FOR FLASH FLOODING FOR A WHILE YET VIA DAM BREAKS...WATER BUILDING UP BEHIND BRIDGES AND OTHER MAN-MADE STRUCTURES CAUSING RAPID RISES IN WATER IN AREAS THAT USUALLY DO NOT FLOOD...OR BLOCKED DRAINAGE AREAS. OTHERWISE...AS THE NIGHT GOES ON...THE FLASH FLOOD THREAT WILL CONTINUE TO DECREASE. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ041>044- 053>055-061-090500- /O.CON.KARX.FF.A.0002.000000T0000Z-080609T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...LA CROSSE... SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN... RICHLAND CENTER...PLATTEVILLE 949 PM CDT SUN JUN 8 2008 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... THE FLASH 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...CRAWFORD...GRANT...JUNEAU...LA CROSSE...MONROE... RICHLAND AND VERNON. * UNTIL MIDNIGHT CDT TONIGHT * WHILE RAIN IS COMING TO AN END...THE POTENTIAL FOR FLASH FLOODING WILL CONTINUE THROUGH MIDNIGHT. DAMBREAKS MAY OCCUR...AND WATER MAY BUILD UP BEHIND MAN-MADE STRUCTURES CAUSING FLOODING IN AREAS WHICH TYPICALLY DO NOT FLOOD. WATCH FOR BLOCKED DRAINAGE AREAS CAUSING RAPID INCREASES IN WATER LEVELS. A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ BINAU
000 WGUS63 KARX 090447 FFAARX FLOOD WATCH NATIONAL WEATHER SERVICE LA CROSSE WI 1147 PM CDT SUN JUN 8 2008 ...HEAVY RAIN THREAT HAS COME TO AN END... .THE WEATHER PATTERN IS SHIFTING JUST ENOUGH TO KEEP THE HEAVY RAIN THREAT EAST AND SOUTH OF THE AREA THROUGH THE REST OF TONIGHT AND THROUGH MONDAY. BECAUSE OF THIS THE FLASH FLOOD WATCH WILL BE ALLOWED TO EXPIRE ON TIME...AT MIDNIGHT. EVEN THOUGH THE WATCH IS ENDING...RAINFALL THIS WEEKEND HAS CAUSED SERIOUS FLOODING OVER A LARGE PART OF THE REGION...WHICH CONTINUES OVERNIGHT. FLOOD WARNINGS ARE OUT FOR MANY AREAS SO PLEASE USE CAUTION IF DRIVING AND NEVER TRY TO CROSS HIGH WATER. CONDITIONS WILL BE SLOW TO IMPROVE OVERNIGHT AND COULD ACTUALLY WORSEN AS WATERS CONTINUE TO RISE. DO NOT PUT YOURSELF IN HARMS WAY. IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ041>044- 053>055-061-090600- /O.EXP.KARX.FF.A.0002.000000T0000Z-080609T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON- LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT- INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY... OELWEIN...ROCHESTER...WINONA...AUSTIN...LA CROSSE... SPARTA/TOMAH...MAUSTON...VIROQUA...PRAIRIE DU CHIEN... RICHLAND CENTER...PLATTEVILLE 1147 PM CDT SUN JUN 8 2008 ...FLASH FLOOD WATCH WILL EXPIRE AT MIDNIGHT CDT TONIGHT... THE FLASH FLOOD WATCH FOR PORTIONS OF IOWA...SOUTHEAST MINNESOTA AND WISCONSIN WILL EXPIRE AT MIDNIGHT CDT TONIGHT. THE HEAVY RAIN THREAT HAS ENDED. REMAIN ALERT THOUGH FOR ON GOING FLOODING AND STAY ON HIGH GROUND. $$ SHEA
What forecasters said that day
The local office's own words before this flash 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 flash flood watch went out at Jun 7, 3:32 AM CDT, 30 minutes earlier.
Area forecast discussion, Jun 7, 3:32 AM CDT, 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
332 AM CDT SAT JUN 7 2008
.SHORT TERM...THROUGH MONDAY
MAIN FORECAST CONCERNS ARE WITH THE RAIN CHANCES AND POTENTIAL FOR
HEAVY RAIN AND FLOODING.
SURFACE ANALYSIS THIS MORNING SHOWS ONE AREA OF LOW PRESSURE JUST
MOVING INTO WESTERN ONTARIO FROM MANITOBA WITH A SECOND AREA OVER
EASTERN COLORADO. A WEAK FRONTAL BOUNDARY CONNECTS THE TWO AREAS
OF LOW PRESSURE.
COMPLEX PATTERN SETTING UP OVER THE REGION FOR THE WEEKEND WITH
THE POTENTIAL FOR SEVERE WEATHER AND FLOODING BOTH TO OCCUR. UPPER
LEVEL LOW OVER MANITOBA WILL CONTINUE TO LIFT NORTHEAST INTO
ONTARIO TODAY. ELONGATED LONG WAVE TROUGH AXIS WILL REMAIN TO THE
SOUTHWEST OF THE LOW WITH ENOUGH SHORT WAVE ENERGY TO EVENTUALLY
FORM ANOTHER UPPER LEVEL LOW OVER SOUTHERN SASKATCHEWAN BY 00Z
SUNDAY. A SHORT WAVE TROUGH WILL GET EJECTED FROM THE LONG WAVE
TROUGH TODAY AND ADVANCE INTO THE WESTERN SECTIONS OF MINNESOTA BY
00Z SUNDAY. GENERAL HEIGHT RISES ARE EXPECTED TO OCCUR ACROSS THE
AREA FOR TODAY AS THE UPPER LEVEL LOW DEPARTS ALLOWING FOR SOME
WEAK RIDGING AHEAD OF THE SHORT WAVE TROUGH. THESE HEIGHT RISES
BRING SOME DOUBT TO THE SEVERE POTENTIAL. HOWEVER...LOOKS LIKE
ENOUGH VERTICAL MOTION FROM THE SHORT WAVE AND AGEOSTROPHIC
MOTIONS IN THE RIGHT ENTRANCE REGION OF THE 110 KNOT 300 MB JET
SHOULD BE ENOUGH TO OVER COME THE HEIGHT RISES. THE WEAK SURFACE
BOUNDARY IS EXPECTED TO PROGRESS EAST INTO NORTHWEST
WISCONSIN...EASTERN MINNESOTA AND NORTHWEST IOWA BY 00Z SUNDAY.
THE GFS SHOWS MODERATE TO STRONG LOW LEVEL FRONTOGENESIS IN THE
1000-850 MB LAYER TO HELP INITIATE STORMS. THE 0-6 KM SHEAR IS
EXPECTED TO RANGE FROM 45 TO 60 KNOTS WITH ML CAPE OF 2000-3000
J/KG. LOOKS AS IF SUPER CELLS WITH AN ISOLATED TORNADO THREAT WILL
BE POSSIBLE INITIALLY THIS AFTERNOON BEFORE TRANSITIONING INTO A
LINEAR SYSTEM WITH DAMAGING WINDS AND HAIL BECOMING THE MAIN
THREATS AS THERE WILL BE STRONG 0-3 KM SHEAR OF 35 TO 40 KNOTS.
THE SEVERE THREAT WILL CARRY INTO THE EVENING BEFORE TRANSITIONING
TO MORE A HEAVY RAIN THREAT. THE FRONTAL BOUNDARY WILL IS
EXPECTED TO SLOW TO A CRAWL AS IT WORKS EAST ACROSS THE AREA. AS
THE LOW LEVEL JET CRANKS UP AND IMPINGES ON THE FRONT...WIDESPREAD
RAINS ARE EXPECTED TO DEVELOP TONIGHT AND WITH PRECIPITABLE WATER
VALUES APPROACHING 2 INCHES...THE THREAT FOR HEAVY RAIN WILL BE
PRESENT. SOME WHAT CONCERNED THOUGH THE HIGH RESOLUTION MESO
MODELS SUCH AS THE EASTNMM4 AND EASTARW4 DO NOT GENERATE AN MCS
TONIGHT ACROSS THE AREA LIKE THE GFS AND ECMWF DO. THIS IS
ESPECIALLY TROUBLING CONCERNING HOW WELL THE EASTARW4 HAS BEEN
DOING LATELY WITH THE CONVECTION. GIVEN THE STRENGTH OF THE
MOISTURE TRANSPORT INTO THE FRONT HARD TO BELIEVE THE STORMS WILL
NOT DEVELOP TONIGHT.
A VERY SIMILAR SET UP FOR SUNDAY AS THE NEXT SHORT WAVE TROUGH IS
EXPECTED TO REMAIN WEST OF THE REGION BUT CLOSE ENOUGH TO PRODUCE
LARGE SCALE RISING MOTIONS OVER THE AREA. THE NEXT JET CORE WILL
ALSO BE OVER THE AREA GENERATING ANOTHER ROUND OF AGEOSTROPHIC
MOTIONS IN THE RIGHT ENTRANCE REGION. THE SURFACE FRONT WILL STILL
BE HUNG UP OVER THE AREA ALLOWING ML CAPES OF 1500-2000 J/KG TO
DEVELOP OVER THE SOUTHEAST HALF OF THE FORECAST AREA. THE 0-6 KM
SHEAR IS STILL RESPECTABLE...AROUND 50 KNOTS...BUT THE 0-3 KM
SHEAR REMAINS HIGH WITH AT LEAST 40 KNOTS OF SHEAR EXPECTED. WOULD
EXPECT DAMAGING WINDS AND LARGE HAIL TO BE THE MAIN THREATS FOR
SUNDAY AFTERNOON AND EVENING.
THE FRONT WILL SAG SOUTH OF THE AREA LATE SUNDAY NIGHT INTO MONDAY
BEFORE THE NEXT WEAK BOUNDARY STARTS TO COME IN FROM THE NORTHWEST
MONDAY AFTERNOON. RAISED POPS TO LIKELY ACROSS THE SOUTHEAST FOR
SUNDAY EVENING AND THEN DROPPING BACK TO CHANCE FOR AFTER 06Z
MONDAY. CONTINUED WITH THE LOW CHANCE POPS FOR ALL OF MONDAY AS
TOO MUCH UNCERTAINTY RIGHT NOW TO START TRYING TO FIGURE OUT WHEN
THERE MAY BE SOME DRY PERIODS.
.LONG TERM...MONDAY NIGHT THROUGH FRIDAY
THE LATEST GFS AND ECMWF CONTINUE TO SHOW WEAK SURFACE BOUNDARIES
OVER THE AREA THROUGH MUCH OF THE WEEK. THIS WILL CONTINUE THE
CHANCE OF RAIN FOR THE AREA AND NO CHANGES MADE TO THE OUTER
PERIODS OF THE FORECAST.
&&
.AVIATION...
CURRENTLY WATCHING THE CONVECTION CURRENTLY TAKING PLACE FROM
SOUTHWEST MINNESOTA NORTHEAST INTO NORTH CENTRAL WISCONSIN. THIS
PRECIPITATION IS NOT BEING HANDLED THAT WELL BY THE 07.00Z MODELS.
TYPICALLY...THIS ACTIVITY WEAKENS DURING THE MORNING AS THE LOW
LEVEL JET WEAKENS. WITH THIS IN MIND...I WOULD SUSPECT THAT THIS
PRECIPITATION WOULD WEAKEN. HOWEVER THE LOW LEVEL BOUNDARIES MAY
LEAD TO THE DEVELOPMENT OF LATER CONVECTION TODAY.
SOUTHERLY WINDS WILL BRING ABUNDANT LOW LEVEL MOISTURE INTO THE
REGION THIS MORNING. THE COMBINATION OF THIS MOISTURE AND DIURNAL
HEATING WILL RESULT IN THE ATMOSPHERE BECOMING VERY UNSTABLE
LATE THIS MORNING AND AFTERNOON. THIS WILL EVENTUALLY LEAD TO THE
DEVELOPMENT OF SHOWERS AND THUNDERSTORMS. CURRENT THOUGHTS IS THAT
IT SHOULD START TO DEVELOP AFTER 07.15Z. WITH VARYING MODEL
SOLUTIONS...IT IS HARD TO PIN POINT THE LOCATION OF WHERE THE
SCATTERED CONVECTION WILL INITIALLY DEVELOP AND ITS COVERAGE. WITH
LITTLE CAPPING ACROSS THE AREA...THE PRECIPITATION SHOULD BECOME
MORE WIDESPREAD THIS AFTERNOON AS THE INSTABILITY CONTINUES TO
INCREASE. FOR THE TAFS...IT LOOKS LIKE KRST WILL START TO SEE
PRECIPITATION AROUND 07.16Z AND KLSE WILL SEE IT ABOUT AN HOUR LATER.
THERE WILL LIKELY BE SUFFICIENT DEEP SHEAR FOR SEVERE THUNDERSTORM
DEVELOPMENT THIS AFTERNOON AND EVENING. LARGE HAIL AND DAMAGING
WINDS ARE THE PRIMARY THREATS. HOWEVER THERE COULD ALSO BE ISOLATED
TORNADOES TOO. WITH WARM CLOUD DEPTHS OF GREATER THAN 4 KM...THERE
WILL ALSO BE VERY HEAVY RAIN FROM LATE AFTERNOON THROUGH TONIGHT.
THE MODELS CONTINUE TO HINT THAT A MESOSCALE CONVECTIVE COMPLEX WILL
DEVELOP ACROSS THE AREA TONIGHT. AS A RESULT...THE PRECIPITATION
PROBABILITIES ARE IN THE CATEGORICAL RANGE.
&&
.HYDROLOGY...
WITH THE THUNDERSTORM DEVELOPMENT EXPECTED TO OCCUR TONIGHT ALONG
THE FRONT AS THE LOW LEVEL JET IMPINGES ON IT...THE POTENTIAL FOR
WIDESPREAD QPF AMOUNTS OF 1 TO 1.5 INCHES EXISTS ACROSS THE
WESTERN SECTIONS OF THE FORECAST AREA. SOME LOCAL AMOUNTS COULD
APPROACH 3 INCHES. THE GFS SUGGESTS THAT THE WARM CLOUD DEPTH WILL
BE AT LEAST 4 KM OVER MOST OF THE FORECAST AREA SUGGESTING THAT
THE STORMS WILL BE EXCELLENT RAIN PRODUCERS WITH HIGH PRECIPITATION
EFFICIENCY FROM COLLISION AND COALESCENCE. MOST COUNTIES WEST OF
THE MISSISSIPPI RIVER HAVE SEEN ENOUGH RAIN RECENTLY TO PUSH THE 6
HOUR FLASH FLOOD GUIDANCE VALUES BELOW 3 INCHES. WILL ISSUE A
FLASH FLOOD WATCH FOR TONIGHT FOR THE WESTERN SECTIONS ALONG WITH
GRANT COUNTY IN SOUTHWEST WISCONSIN.
&&
.ARX WATCHES/WARNINGS/ADVISORIES...
WI...FLASH FLOOD WATCH FROM THIS EVENING THROUGH SUNDAY MORNING FOR
WIZ061.
MN...FLASH FLOOD WATCH FROM THIS EVENING THROUGH SUNDAY MORNING FOR
MNZ079-MNZ086-MNZ087-MNZ088-MNZ094-MNZ095-MNZ096.
IA...FLASH FLOOD WATCH FROM THIS EVENING THROUGH SUNDAY MORNING FOR
IAZ008-IAZ009-IAZ010-IAZ011-IAZ018-IAZ019-IAZ029-IAZ030.
&&
SHORT/LONG TERM/HYDROLOGY...04
AVIATION...BOYNEHazardous weather outlook, Jun 6, 6:00 PM CDT, 10 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 600 PM CDT FRI JUN 6 2008 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034- 041>044-053>055-061-071100- ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CLARK-CLAYTON-CRAWFORD-DODGE- FAYETTE-FILLMORE-FLOYD-GRANT-HOUSTON-HOWARD-JACKSON-JUNEAU-LA CROSSE- MITCHELL-MONROE-MOWER-OLMSTED-RICHLAND-TAYLOR-TREMPEALEAU-VERNON- WABASHA-WINNESHIEK-WINONA- 600 PM CDT FRI JUN 6 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST MINNESOTA... NORTHEAST IOWA AND WESTERN INTO CENTRAL WISCONSIN. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A SLOW MOVING COLD FRONT WILL SAG ACROSS THE AREA SATURDAY AND SUNDAY. CONDITIONS LOOK FAVORABLE FOR THE DEVELOPMENT OF SEVERE STORMS SATURDAY AFTERNOON AND EVENING. SEVERE STORMS WILL AGAIN BE POSSIBLE SUNDAY AFTERNOON AND EVENING. DAMAGING WINDS AND LARGE HAIL WILL BE THE MAIN THREATS BOTH SATURDAY AND SUNDAY. HEAVY RAINFALL WILL ALSO BE POSSIBLE WHICH COULD LEAD TO SOME FLOODING PROBLEMS. ANOTHER WEAK COLD FRONT WILL MOVE INTO THE AREA NEXT WEEK AND WILL KEEP THUNDERSTORMS IN THE FORECAST FROM MONDAY THROUGH THURSDAY. AT THIS TIME...SEVERE WEATHER IS NOT EXPECTED WITH ANY OF THESE STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED OVER THE WEEKEND...ESPECIALLY SATURDAY AFTERNOON AND EVENING...AND AGAIN SUNDAY AFTERNOON AND EVENING. IN ADDITION...RAINFALL REPORTS WOULD BE APPRECIATED OVER THE NEXT COUPLE DAYS...AND SHOULD THE THREAT OF FLOODING MATERIALIZE... REPORTS OF RIVER LEVELS WOULD ALSO BE APPRECIATED. .EMERGENCY MANAGEMENT COORDINATION... NO CALL IS SCHEDULED. MW/BOYNE
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 8:47 AM CDT | Severe Thunderstorm Warning | ARX | Dodge, Mower, Olmsted | 43 min |
| Jun 7, 8:55 AM CDT | Severe Thunderstorm Warning | ARX | Wabasha | 50 min |
| Jun 7, 3:33 PM CDT | Tornado Warning | ARX | Fillmore, Mower, Olmsted | 42 min |
| Jun 7, 3:37 PM CDT | Tornado Warning | ARX | Mower | 38 min |
| Jun 7, 4:16 PM CDT | Tornado Warning | ARX | Fillmore, Mower | 45 min |
| Jun 7, 4:26 PM CDT | Areal Flood Advisory | ARX | Winona | 3 hr |
| Jun 7, 4:35 PM CDT | Tornado Warning | ARX | Mower | 40 min |
| Jun 7, 4:58 PM CDT | Flash Flood Warning | ARX | Winona | 3 hr |
| Jun 7, 5:13 PM CDT | Tornado Warning | ARX | Fillmore, Mower | 62 min |
| Jun 7, 5:16 PM CDT | Flash Flood Warning | ARX | Mower | 4 hr |
| Jun 7, 6:05 PM CDT | Severe Thunderstorm Warning | ARX | Fillmore, Houston | 55 min |
| Jun 7, 6:18 PM CDT | Flash Flood Warning | ARX | Fillmore, Houston | 6 hr |
| Jun 7, 12:52 PM CDT | Tornado Warning | ARX | Clayton | 23 min |
| Jun 7, 1:17 PM CDT | Tornado Warning | ARX | Allamakee, Clayton | 43 min |
| Jun 7, 2:49 PM CDT | Tornado Warning | ARX | Chickasaw | 26 min |
| Jun 7, 3:35 PM CDT | Tornado Warning | ARX | Chickasaw, Howard | 40 min |
| Jun 7, 3:41 PM CDT | Tornado Warning | ARX | Chickasaw, Floyd | 34 min |
| Jun 7, 5:22 PM CDT | Tornado Warning | ARX | Mitchell | 38 min |
| Jun 7, 6:00 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 30 min |
| Jun 7, 6:03 PM CDT | Flash Flood Warning | ARX | Mitchell | 6 hr |
| Jun 7, 6:21 PM CDT | Severe Thunderstorm Warning | ARX | Howard | 54 min |
| Jun 7, 11:55 AM CDT | Severe Thunderstorm Warning | ARX | Monroe | 50 min |
| Jun 7, 12:33 PM CDT | Tornado Warning | ARX | Juneau, Monroe, Vernon | 42 min |
| Jun 7, 1:12 PM CDT | Tornado Warning | ARX | Adams, Juneau | 48 min |
| Jun 7, 1:43 PM CDT | Tornado Warning | ARX | Grant | 47 min |
| Jun 7, 2:04 PM CDT | Tornado Warning | ARX | Crawford | 26 min |
| Jun 7, 2:19 PM CDT | Tornado Warning | ARX | Richland | 41 min |
| Jun 7, 2:32 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 33 min |
| Jun 7, 3:00 PM CDT | Severe Thunderstorm Warning | ARX | Richland | 30 min |
| Jun 7, 3:51 PM CDT | River Flood Warning | ARX | Monroe, Vernon | 46 hr |
| Jun 7, 5:19 PM CDT | Flash Flood Warning | ARX | Juneau, Monroe, Vernon | 7 hr |
| Jun 7, 5:22 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse | 23 min |
| Jun 7, 5:43 PM CDT | Tornado Warning | ARX | La Crosse, Monroe | 32 min |
| Jun 7, 5:59 PM CDT | Tornado Warning | ARX | Richland, Vernon | 61 min |
| Jun 7, 6:35 PM CDT | River Flood Warning | ARX | Vernon | 26 hr |
| Jun 7, 6:46 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 44 min |
| Jun 7, 6:55 PM CDT | River Flood Warning | ARX | Richland, Vernon | 67 hr |
Nearby
Flash Flood Watches in Iowa, 2008Flash Flood Watches in Wisconsin, 2008Flash Flood Watches in Minnesota, 2008Every flash flood watch in 2008
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.