Alert archive / Wisconsin / Flash Flood Warnings in 2014
Flash Flood Warning 19, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Aug 4, 2014, 1:51 PM CDT for La Crosse County, Wisconsin. It was in force for 3 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
- Aug 4, 2014, 1:51 PM CDT (18:51 UTC)
- Expired
- Aug 4, 2014, 4:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
County La Crosse County, WI
The radar
The La Crosse radar (KARX), 3 km from the middle of the area, began a volume at 18:54 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, 6.9 hours before the alert went out and 222 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
- 767 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1046 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
127
WGUS53 KARX 041851
FFWARX
WIC063-042145-
/O.NEW.KARX.FF.W.0019.140804T1851Z-140804T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
151 PM CDT MON AUG 4 2014
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN LA CROSSE COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 445 PM CDT
* AT 148 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN IN LA CROSSE AND ONALASKA. UP TO ONE INCH OF RAIN HAS
ALREADY FALLEN. FLASH FLOODING WILL BE OCCURRING IN FLOOD PRONE
AREAS OF THESE CITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE IN AREAS WHERE WATER COVER THE ROAD.
&&
LAT...LON 4372 9109 4372 9126 4378 9125 4380 9127
4385 9129 4387 9131 4390 9132 4394 9108
$$
BOYNE1 follow-up statement
225
WGUS73 KARX 042001
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
301 PM CDT MON AUG 4 2014
WIC063-042010-
/O.CAN.KARX.FF.W.0019.000000T0000Z-140804T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LA CROSSE WI-
301 PM CDT MON AUG 4 2014
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN LA CROSSE COUNTY IS
CANCELLED...
THE HEAVY RAINS HAVE ENDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.
LAT...LON 4372 9109 4372 9126 4378 9125 4380 9127
4385 9129 4387 9131 4390 9132 4394 9108
$$
BOYNEThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:26 PM CDT | Special Weather Statement | ARX | Clark | 34 min |
| Aug 4, 3:40 AM CDT | Special Weather Statement | ARX | Jackson | 35 min |
| Aug 4, 4:05 AM CDT | Special Weather Statement | ARX | Jackson | 25 min |
| Aug 4, 9:03 AM CDT | Special Weather Statement | ARX | Jackson | 27 min |
| Aug 4, 6:37 PM CDT | Special Weather Statement | ARX | Taylor | 53 min |
Nearby
Flash Flood Warnings in Wisconsin, 2014Every flash flood warning in 2014
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.