Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 9, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jul 21, 2016, 10:31 PM CDT for Grant 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
- Jul 21, 2016, 10:31 PM CDT (03:31 UTC)
- Expired
- Jul 22, 2016, 2:00 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
County Grant County, WI
The radar
The Quad Cities radar (KDVN), 121 km from the middle of the area, began a volume at 03:33 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 00:00Z, 3.5 hours before the alert went out and 121 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
- 4571 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 17.9
The text
As transmitted.
066
WGUS53 KARX 220331
FFWARX
WIC043-220700-
/O.NEW.KARX.FF.W.0009.160722T0331Z-160722T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
1031 PM CDT THU JUL 21 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN GRANT COUNTY IN SOUTHWESTERN WISCONSIN...
* UNTIL 200 AM CDT
* AT 1030 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS GRANT COUNTY. AROUND TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PLATTEVILLE...LANCASTER...FENNIMORE...CUBA CITY...HAZEL GREEN...
DICKEYVILLE...BEETOWN...POTOSI...MOUNT IDA...TENNYSON...UNION...
MOUNT HOPE...SINSINAWA...AND ROCKVILLE.
EXCESSIVE RAINFALL OVER THE WARNED AREA MAY CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4254 9064 4258 9068 4263 9070 4264 9071
4268 9091 4307 9090 4307 9088 4290 9043
4251 9043 4251 9064
$$
MW2 follow-up statements
876
WGUS73 KARX 220453
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1153 PM CDT THU JUL 21 2016
WIC043-220700-
/O.CON.KARX.FF.W.0009.000000T0000Z-160722T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRANT WI-
1153 PM CDT THU JUL 21 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR
EASTERN GRANT COUNTY...
AT 1151 PM CDT...THUNDERSTORMS CONTINUE TO END ACROSS THE AREA.
HOWEVER, WITH RAINFALL AMOUNTS OF TWO TO THREE INCHES FALLING
EARLIER, FLASH FLOODING REMAINS LIKELY.
EXCESSIVE RAINFALL OVER THE WARNED AREA MAY CAUSE MUD SLIDES NEAR
STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION
AND OTHER LOOSE MATERIALS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PLATTEVILLE...LANCASTER...FENNIMORE...CUBA CITY...HAZEL GREEN...
DICKEYVILLE...GEORGETOWN...BEETOWN...ARTHUR...POTOSI...LIVINGSTON...
MOUNT IDA...ELLENBORO...TENNYSON...UNION...MOUNT HOPE...CORNELIA...
SINSINAWA...ROCKVILLE AND KLONDYKE SECLUDED ACRES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4254 9064 4258 9068 4263 9070 4264 9071
4268 9091 4307 9090 4307 9088 4290 9043
4251 9043 4251 9064
$$
LAWRENCE378
WGUS73 KARX 220632
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
132 AM CDT FRI JUL 22 2016
WIC043-220639-
/O.CAN.KARX.FF.W.0009.000000T0000Z-160722T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GRANT WI-
132 AM CDT FRI JUL 22 2016
...THE FLASH FLOOD WARNING FOR EASTERN GRANT COUNTY IS CANCELLED...
THE HEAVY RAIN HAS ENDED ACROSS EASTERN GRANT COUNTY. WHILE THE
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT...SOME HIGH WATER
REMAINS POSSIBLE IN LOW LYING AREAS. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.
LAT...LON 4254 9064 4258 9068 4263 9070 4264 9071
4268 9091 4307 9090 4307 9088 4290 9043
4251 9043 4251 9064
$$
JSBThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:36 PM CDT | Special Weather Statement | ARX | Richland | 24 min |
| Jul 21, 8:54 PM CDT | Special Weather Statement | ARX | Crawford, Grant | 51 min |
| Jul 21, 9:13 PM CDT | Areal Flood Advisory | ARX | Crawford, Grant | 3 hr |
| Jul 21, 9:51 PM CDT | Flash Flood Warning | ARX | Crawford, Grant | 3 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2016Every flash flood warning in 2016
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.