Alert archive / Minnesota / Flash Flood Warnings in 2008

Flash Flood Warning 7, NWS La Crosse, WI

June 7, 2008Mower County, Minnesota

NWS La Crosse, WI issued this flash flood warning at Jun 7, 2008, 5:16 PM CDT for Mower County, Minnesota. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 7, 2008, 5:16 PM CDT (22:16 UTC)
Expired: Jun 7, 2008, 9:19 PM CDT
In force: 4 hr
Issued by: NWS La Crosse, WI
Area: Storm-based polygon
Flood severity: None

County Mower County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.3 hours before the alert went out and 148 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 131 J/kg
Mixed-layer CIN: -253 J/kg
Mixed-layer LCL: 1341 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 318 m²/s²
0-3 km storm-relative helicity: 357 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KARX 072219
FFWARX
MNC099-080415-
/O.NEW.KARX.FF.W.0007.080607T2216Z-080608T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
516 PM CDT SAT JUN 7 2008

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MOWER COUNTY IN SOUTHEAST MINNESOTA...
  THIS INCLUDES THE CITY OF AUSTIN...

* UNTIL 1115 PM CDT

* AT 515 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. RADAR
  ESTIMATES OF 1 TO 2 INCHES PER HOUR RAINFALL RATES FROM THESE 
  STORMS. WITH THE RAIN THAT HAS ALREADY FALLEN THIS WILL RESULT IN
  FLASH FLOODING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSE
  CREEK...GRAND MEADOW...BROWNSDALE AND ADAMS

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. DO
NOT ATTEMPT TO CROSS FLOODED ROADWAYS BY FOOT OR AUTOMOBILE.
REMEMBER...TURN AROUND DONT DROWN.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS. REMEMBER...TURN AROUND DONT DROWN.

LAT...LON 4377 9306 4382 9245 4350 9245 4350 9303
      4349 9305 4350 9306
TIME...MOT...LOC 2216Z 180DEG 0KT 4354 9282

$$

RABERDING

4 follow-up statements

000 
WGUS73 KARX 072326
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
624 PM CDT SAT JUN 7 2008

MNC099-080415-
/O.CON.KARX.FF.W.0007.000000T0000Z-080608T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOWER MN-
624 PM CDT SAT JUN 7 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
MOWER COUNTY...

AT 621 PM CDT...A THUNDERSTORMS WITH VERY HEAVY RAIN WERE DETECTED 
ACROSS THE SOUTHERN THIRD OF THE COUNTY. RAINFALL RATES HAVE 
DECREASED TO ONE HALF INCH PER HOUR WITH THESE STORMS. THESE STORMS 
WILL CONTINUE TO SLOWLY MOVE TO THE SOUTH OF THE AREA THIS EVENING.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSE CREEK...
GRAND MEADOW...BROWNSDALE...AUSTIN AND ADAMS

AT 621 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW
MOVING THUNDERSTORMS WITH TORRENTIAL RAINFALL ACROSS THE WARNED AREA.
LOCATIONS WITH THE GREATEST RISK OF FLASH FLOODING INCLUDE AUSTIN...
ROSE CREEK...LYLE...LE ROY...GRAND MEADOW...BROWNSDALE AND ADAMS.

IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. DO
NOT ATTEMPT TO CROSS FLOODED ROADWAYS BY FOOT OR AUTOMOBILE.
REMEMBER...TURN AROUND DONT DROWN.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS. REMEMBER...TURN AROUND DONT DROWN.

LAT...LON 4377 9306 4382 9245 4350 9245 4350 9303
      4349 9305 4350 9306
TIME...MOT...LOC 2324Z 180DEG 0KT 4354 9282

$$

RABERDING

000 
WGUS73 KARX 072355
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
655 PM CDT SAT JUN 7 2008

MNC099-080415-
/O.CON.KARX.FF.W.0007.000000T0000Z-080608T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOWER MN-
655 PM CDT SAT JUN 7 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
MOWER COUNTY...

AT 652 PM CDT...RADAR SHOWED THAT TORRENTIAL RAIN PRODUCING 
THUNDERSTORMS WERE LARGELY SOUTH OF THE AREA. HOWEVER...THAT DOES 
NOT MEAN THAT FLASH FLOODING CANNOT STILL OCCUR. GIVE TIME FOR WATER 
TO RUN OFF INTO THE STREAMS AND CREEKS...AND MONITOR RAPIDLY RISING 
WATER CLOSELY.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSE CREEK...
GRAND MEADOW...BROWNSDALE...AUSTIN AND ADAMS

IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. DO 
NOT ATTEMPT TO CROSS FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. 
REMEMBER...TURN AROUND DONT DROWN.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE
INTO AREAS WHERE THE WATER COVERS THE ROAD. TWO FEET OF RUSHING WATER
CAN CARRY AWAY MOST VEHICLES INCLUDING SPORT UTILITY VEHICLES AND
PICKUPS. REMEMBER...TURN AROUND DONT DROWN.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4377 9306 4382 9245 4350 9245 4350 9303
      4349 9305 4350 9306
TIME...MOT...LOC 2355Z 180DEG 0KT 4354 9282

$$

BINAU

000 
WGUS73 KARX 080110
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
807 PM CDT SAT JUN 7 2008

MNC099-080415-
/O.CON.KARX.FF.W.0007.000000T0000Z-080608T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOWER MN-
807 PM CDT SAT JUN 7 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR
MOWER COUNTY...

AT 802 PM CDT...LAW ENFORCEMENT OFFICIALS STILL REPORTING FLOODING 
IN THE  AREAS AROUND ADAMS AND LYLE. THE HEAVIEST RAIN HAS SHIFTED 
SOUTH OF THE AREA WITH LIGHTER SHOWERS AND THUNDERSTORMS STILL 
POSSIBLE ACROSS THE WARNED AREA THROUGH THE EVENING HOURS. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ROSE CREEK...
GRAND MEADOW...BROWNSDALE...AUSTIN AND ADAMS

IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. DO 
NOT ATTEMPT TO CROSS FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. 
REMEMBER...TURN AROUND DONT DROWN.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS. MOST FLOOD RELATED DEATHS OCCUR AT NIGHT. IF
FLOODING IS OBSERVED ACT QUICKLY.

PLEASE REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT OFFICE
AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4377 9306 4382 9245 4350 9245 4350 9303
      4349 9305 4350 9306
TIME...MOT...LOC 0107Z 180DEG 0KT 4354 9282

$$

RABERDING

000 
WGUS73 KARX 080219
FFSARX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
919 PM CDT SAT JUN 7 2008

MNC099-080229-
/O.CAN.KARX.FF.W.0007.000000T0000Z-080608T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOWER MN-
919 PM CDT SAT JUN 7 2008

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MOWER COUNTY...

THE THREAT FOR FLASH FLOODING HAS DIMINISHED ACROSS THE WARNED AREA.
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 4377 9306 4382 9245 4350 9245 4350 9303
      4349 9305 4350 9306
TIME...MOT...LOC 0219Z 180DEG 0KT 4354 9282

$$

RABERDING

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 4:02 AM CDT	Flash Flood Watch	ARX	Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and 1 more	44 hr
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, 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

Nearby

Flash Flood Warnings in Minnesota, 2008 Every flash flood warning 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.