Alert archive / Wisconsin / Flash Flood Warnings in 2007
Flash Flood Warning 17, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Aug 19, 2007, 7:50 AM CDT for Grant County, Wisconsin. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 19, 2007, 7:50 AM CDT (12:50 UTC)
- Expired
- Aug 19, 2007, 10:00 AM CDT
- In force
- 2 hr
- Issued by
- NWS La Crosse, WI
- Area
- Whole counties
County Grant County, WI
The radar
The La Crosse radar (KARX), 113 km from the middle of the area, began a volume at 12:53 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
Davenport, (KDVN), launched 12:00Z, 0.8 hours before the alert went out and 140 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
- 132 J/kg
- Mixed-layer CIN
- -265 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KARX 191251 FFWARX WIC043-191500- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 750 AM CDT SUN AUG 19 2007 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * FLASH FLOOD WARNING FOR... GRANT COUNTY IN SOUTHWEST WISCONSIN * UNTIL 1000 AM CDT * AT 745 AM CDT...NATIONAL WEATHER SERVICE RADAR DETECTED THUNDERSTORMS PRODUCING VERY HEAVY RAIN ONCE AGAIN HEADED TOWARD THE WARNED AREA. ESTIMATES FROM RADAR INDICATED THAT AS MUCH AS 3 TO 5 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. * THIS FLASH FLOOD WARNING IS AN EXTENSION OF THE EARLIER FLASH FLOOD WARNING FOR NORTHEAST GRANT COUNTY. SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BOSCOBEL... FENNIMORE...MUSCODA. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO FORGE FLOODED ROADWAYS BY FOOT OR AUTOMOBILE. REMEMBER...TURN AROUND DONT DROWN. LAT...LON 4319 9043 4288 9041 4302 9100 4321 9054 $$ RRS
1 follow-up statement
000 WGUS73 KARX 191500 FFSARX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 1000 AM CDT SUN AUG 19 2007 WIC043-191510- GRANT WI- 1000 AM CDT SUN AUG 19 2007 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR NORTHERN GRANT COUNTY... THE THREAT FOR FLASH FLOODING HAS DIMINISHED ACROSS THE WARNED AREA. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. PLEASE REPORT ANY FLOODING TO YOUR LOCAL LAW ENFORCEMENT OFFICE AND TELL THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 4319 9043 4288 9041 4302 9100 4321 9054 $$ THOMPSON
The office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:43 PM CDT | Flash Flood Warning | ARX | La Crosse, Vernon | 3 hr |
| Aug 18, 9:42 PM CDT | Flash Flood Warning | ARX | Richland | 3 hr |
| Aug 18, 11:39 PM CDT | Flash Flood Warning | ARX | Richland, Vernon | 6 hr |
| Aug 19, 1:39 AM CDT | Flash Flood Warning | ARX | Crawford | 4 hr |
| Aug 19, 3:48 AM CDT | River Flood Warning | ARX | Richland, Vernon | 8 days |
| Aug 19, 4:41 AM CDT | Flash Flood Warning | ARX | Grant | 3 hr |
| Aug 19, 7:12 AM CDT | River Flood Warning | ARX | Crawford | 11 days |
| Aug 19, 7:15 AM CDT | River Flood Warning | ARX | Richland, Vernon | 22 hr |
| Aug 19, 7:15 AM CDT | River Flood Warning | ARX | Crawford, Vernon | 10 days |
| Aug 19, 7:15 AM CDT | River Flood Warning | ARX | Crawford | 13 days |
| Aug 19, 7:50 AM CDT | River Flood Warning | ARX | Vernon | 5 hr |
| Aug 19, 9:22 AM CDT | River Flood Warning | ARX | Crawford, Vernon | 7 days |
Nearby
Flash Flood Warnings in Wisconsin, 2007Every flash flood warning in 2007
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.