Alert archive / Wisconsin / Flash Flood Warnings in 2016
Flash Flood Warning 8, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jul 21, 2016, 9:51 PM CDT for Crawford County, Grant County, Wisconsin. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 21, 2016, 9:51 PM CDT (02:51 UTC)
- Expired
- Jul 22, 2016, 12:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, WI, Grant County, WI
The radar
The La Crosse radar (KARX), 87 km from the middle of the area, began a volume at 02:51 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 21, 11:18 PM CDT | HEAVY RAIN 2.1 | 3 Sse Steuben, WI | . |
| Jul 21, 11:23 PM CDT | HEAVY RAIN 2.8 | 4 S Blue River, WI | 2.80 INCHES OF RAIN OVER 4 HOURS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 2.9 hours before the alert went out and 170 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.
076
WGUS53 KARX 220251
FFWARX
WIC023-043-220545-
/O.NEW.KARX.FF.W.0008.160722T0251Z-160722T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
951 PM CDT THU JUL 21 2016
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN CRAWFORD COUNTY IN SOUTHWESTERN WISCONSIN...
NORTHEASTERN GRANT COUNTY IN SOUTHWESTERN WISCONSIN...
* UNTIL 1245 AM CDT
* AT 948 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. TWO TO THREE INCHES OF RAIN
HAVE ALREADY FALLEN AND UP TO ANOTHER INCH IS POSSIBLE. FLASH
FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BOSCOBEL...FENNIMORE...MUSCODA...PRESTON...MONTFORT...WAUZEKA...
LIVINGSTON...HICKORY GROVE...BLUE RIVER...WOODMAN...
HIGHWAYS 60 AND 61...MAPLE RIDGE...HIGHWAY 61 AND COUNTY T...
BOYDTOWN...COUNTY ROADS K AND T.
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.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4308 9090 4325 9076 4323 9067 4317 9066
4318 9061 4321 9055 4319 9043 4290 9043
$$
LAWRENCE2 follow-up statements
061
WGUS73 KARX 220345
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1045 PM CDT THU JUL 21 2016
WIC023-043-220545-
/O.CON.KARX.FF.W.0008.000000T0000Z-160722T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD WI-GRANT WI-
1045 PM CDT THU JUL 21 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR
SOUTHEASTERN CRAWFORD AND NORTHEASTERN GRANT COUNTIES...
AT 1043 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS GRADUALLY
ENDING ACROSS THE AREA. HOWEVER...BETWEEN 3 AND 4 INCHES OF RAIN
HAVE FALLEN IN SOME AREAS...WHICH IS LIKELY TO RESULT IN FLASH
FLOODING.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BOSCOBEL...FENNIMORE...MUSCODA...PRESTON...MONTFORT...WAUZEKA...
LIVINGSTON...HICKORY GROVE...BLUE RIVER...WOODMAN...
HIGHWAYS 60 AND 61...MAPLE RIDGE...HIGHWAY 61 AND COUNTY T...
BOYDTOWN...AND COUNTY ROADS K AND T.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 4308 9090 4325 9076 4323 9067 4317 9066
4318 9061 4321 9055 4319 9043 4290 9043
$$
LAWRENCE587
WGUS73 KARX 220507
FFSARX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
1207 AM CDT FRI JUL 22 2016
WIC023-043-220516-
/O.CAN.KARX.FF.W.0008.000000T0000Z-160722T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD WI-GRANT WI-
1207 AM CDT FRI JUL 22 2016
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN CRAWFORD AND NORTHEASTERN
GRANT COUNTIES IS CANCELLED...
HEAVY RAIN HAS ENDED ACROSS SOUTHEAST CRAWFORD AND NORTHEAST GRANT
COUNTIES. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT, THOUGH
SOME HIGH WATER REMAINS POSSIBLE IN LOW LYING AREAS. PLEASE CONTINUE
TO HEED ANY ROAD CLOSURES.
LAT...LON 4308 9090 4325 9076 4323 9067 4317 9066
4318 9061 4321 9055 4319 9043 4290 9043
$$
LAWRENCEThe 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, 10:31 PM CDT | Flash Flood Warning | ARX | 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.