Alert archive / Wisconsin / Flash Flood Warnings in 2017
Flash Flood Warning 13, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jul 20, 2017, 3:00 AM CDT for 4 counties in Wisconsin. It was in force for 6 hr. 9 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 20, 2017, 3:00 AM CDT (08:00 UTC)
- Expired
- Jul 20, 2017, 9:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Crawford County, WI, Juneau County, WI, Richland County, WI, Vernon County, WI
The radar
The La Crosse radar (KARX), 48 km from the middle of the area, began a volume at 08:00 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 20, 4:00 AM CDT | FLASH FLOOD | Ontario, WI | MAJOR FLOODING IN ONTARIO. INTERSECTION OF HIGHWAY 33 AND 131 CLOSED. |
| Jul 20, 6:35 AM CDT | FLASH FLOOD | 2 S Rockbridge, WI | STATE HIGHWAY 80 IS CLOSED AT COUNTY ROAD D BECAUSE OF FLOODING ALONG THE PINE RIVER. |
| Jul 20, 6:35 AM CDT | HEAVY RAIN 7 | Hillsboro, WI | RELAYED VIA WKBT. |
| Jul 20, 7:43 AM CDT | FLASH FLOOD | Richland Center, WI | PINE RIVER HAS RISEN OUT OF ITS BANKS |
| Jul 20, 7:43 AM CDT | FLASH FLOOD | Richland Center, WI | PINE RIVER HAS RISEN OUT OF ITS BANKS. |
| Jul 20, 7:43 AM CDT | FLASH FLOOD | Yuba, WI | SANDBAGGING GOING ON IN YUBA. |
| Jul 20, 8:00 AM CDT | FLOOD | Ontario, WI | TOWN UNDER WATER DUE TO FLOODING ALONG KICKAPOO RIVER...REFLECTED IN PICTURES RECEIVED AND FROM LAW ENFORCEMENT REPORTS. |
| Jul 20, 8:27 AM CDT | HEAVY RAIN 5.5 | 3 Nne Westby, WI | |
| Jul 20, 8:27 AM CDT | HEAVY RAIN 5.5 | 4 Ssw Cashton, WI |
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, 8.0 hours before the alert went out and 221 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
- 1032 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1506 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
095
WGUS53 KARX 200800
FFWARX
WIC023-057-103-123-201100-
/O.NEW.KARX.FF.W.0013.170720T0800Z-170720T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service La Crosse WI
300 AM CDT THU JUL 20 2017
The National Weather Service in La Crosse has issued a
* Flash Flood Warning for...
Southwestern Juneau County in central Wisconsin...
Vernon County in southwestern Wisconsin...
Richland County in southwestern Wisconsin...
Northeastern Crawford County in southwestern Wisconsin...
* Until 600 AM CDT
* At 259 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Richland Center, Viroqua, Westby, Elroy, Hillsboro, Wonewoc,
Stoddard, Coon Valley, La Farge, Clayton, Brownsville, Germantown,
Newton, Springville, Rockbridge, Viola, Ithaca, Soldiers Grove,
Sylvan and Ontario.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding. Never attempt to cross flood waters by vehicle
or on foot!
&&
LAT...LON 4364 9031 4355 9031 4355 9019 4325 9019
4351 9122 4354 9125 4358 9123 4361 9127
4371 9127 4373 9126 4373 9043 4375 9025
4364 9010
$$
Wetenkamp3 follow-up statements
045
WGUS73 KARX 200836
FFSARX
Flash Flood Statement
National Weather Service La Crosse WI
336 AM CDT THU JUL 20 2017
WIC023-057-103-123-201100-
/O.CON.KARX.FF.W.0013.000000T0000Z-170720T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Juneau WI-Vernon WI-Richland WI-Crawford WI-
336 AM CDT THU JUL 20 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR
SOUTHWESTERN JUNEAU...VERNON...RICHLAND AND NORTHEASTERN CRAWFORD
COUNTIES...
At 333 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to three inches of rain have already
fallen. Flash flooding is expected.
Those heading out for the morning commute, be aware of water over
roadways and don't drive through flood waters. Please heed road
closures. Some roads may be washed out.
Excessive rainfall over the warned area will cause mud slides near
steep terrain. The mud slide can consist of rock, mud, vegetation
and other loose materials.
Some locations that will experience flooding include...
Richland Center, Viroqua, Westby, Elroy, Hillsboro, Wonewoc,
Stoddard, Coon Valley, La Farge, Clayton, Brownsville, Germantown,
Newton, Springville, Rockbridge, Viola, Ithaca, Soldiers Grove,
Sylvan and Ontario.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4364 9031 4355 9031 4355 9019 4325 9019
4351 9122 4354 9125 4358 9123 4361 9127
4371 9127 4373 9126 4373 9043 4375 9025
4364 9010
$$
Wetenkamp000
WGUS53 KARX 201057
FFWARX
WIC023-057-103-123-201400-
/O.EXT.KARX.FF.W.0013.000000T0000Z-170720T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service La Crosse WI
557 AM CDT THU JUL 20 2017
The National Weather Service in La Crosse has extended the
* Flash Flood Warning for...
Far southwestern Juneau County in central Wisconsin...
Vernon County in southwestern Wisconsin...
Richland County in southwestern Wisconsin...
Far northeastern Crawford County in southwestern Wisconsin...
* Until 900 AM CDT
* At 551 AM CDT, local law enforcement reported some roads closed,
along with other roads with mudslides and water on them. The
Kickapoo River area, from Ontario to La Farge, has been especially
hard hit. The flooding issues are a result of 3 to 6 inches of
rain that fell overnight.
* Some locations that will experience flooding include...
Richland Center, Viroqua, Westby, Elroy, Hillsboro, Wonewoc,
Stoddard, Coon Valley, La Farge, Clayton, Brownsville, Germantown,
Newton, Springville, Rockbridge, Viola, Ithaca, Soldiers Grove,
Sylvan and Ontario.
For those commuting this morning, be prepared to take alternate
routes as some roads are either closed or impassible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4364 9031 4355 9031 4355 9019 4325 9019
4351 9122 4354 9125 4358 9123 4361 9127
4371 9127 4373 9126 4373 9043 4375 9025
4364 9010
$$
AJ776
WGUS73 KARX 201248
FFSARX
Flash Flood Statement
National Weather Service La Crosse WI
748 AM CDT THU JUL 20 2017
WIC023-057-103-123-201400-
/O.CON.KARX.FF.W.0013.000000T0000Z-170720T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Juneau WI-Vernon WI-Richland WI-Crawford WI-
748 AM CDT THU JUL 20 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 AM CDT FOR
SOUTHWESTERN JUNEAU...VERNON...RICHLAND AND NORTHEASTERN CRAWFORD
COUNTIES...
At 743 AM CDT, local law enforcement in Richand County reported that
the Pine River is out of its banks, sandbagging was occurring near
Yuba, and state highway 80 is closed at County Road D. Elsewhere,
numerous roads remain closed, with the Ontario to La Farge area
particularly hard hit because of major flooding on the Kickapoo
River. The flooding is a result of 3 to 7 inches of rain that fell
overnight.
Some locations that will experience flooding include...
Richland Center, Viroqua, Westby, Elroy, Hillsboro, Wonewoc,
Stoddard, Coon Valley, La Farge, Clayton, Brownsville, Germantown,
Newton, Springville, Rockbridge, Viola, Ithaca, Soldiers Grove,
Sylvan and Ontario.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4364 9031 4355 9031 4355 9019 4325 9019
4351 9122 4354 9125 4358 9123 4361 9127
4371 9127 4373 9126 4373 9043 4375 9025
4364 9010
$$
AJThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:02 PM CDT | Severe Thunderstorm Warning | ARX | Richland, Vernon | 58 min |
| Jul 19, 7:20 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant, Richland | 55 min |
| Jul 19, 8:03 PM CDT | Severe Thunderstorm Warning | ARX | Richland | 27 min |
| Jul 19, 9:44 PM CDT | Flash Flood Watch | ARX | Buffalo, Jackson, La Crosse, Monroe, Trempealeau | 9 hr |
| Jul 19, 10:15 PM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 6 days |
| Jul 19, 10:59 PM CDT | Special Weather Statement | ARX | Buffalo, Trempealeau | 61 min |
| Jul 19, 11:38 PM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 3 hr |
| Jul 19, 11:42 PM CDT | Special Weather Statement | ARX | La Crosse, Vernon | 48 min |
| Jul 20, 12:09 AM CDT | Severe Thunderstorm Warning | ARX | Buffalo, La Crosse, Trempealeau | 51 min |
| Jul 20, 12:39 AM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Monroe, Vernon | 34 min |
| Jul 20, 1:28 AM CDT | River Flood Warning | ARX | Monroe, Vernon | 52 hr |
| Jul 20, 2:02 AM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 6 hr |
| Jul 20, 2:13 AM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Trempealeau | 47 min |
| Jul 20, 2:20 AM CDT | Flash Flood Warning | ARX | Jackson, La Crosse, Monroe | 6 hr |
| Jul 20, 2:50 AM CDT | Special Weather Statement | ARX | Vernon | 40 min |
| Jul 20, 3:01 AM CDT | River Flood Warning | ARX | Richland, Vernon | 51 hr |
| Jul 20, 3:01 AM CDT | River Flood Warning | ARX | Richland, Vernon | 4 days |
| Jul 20, 3:01 AM CDT | River Flood Warning | ARX | Vernon | 5 days |
| Jul 20, 3:01 AM CDT | River Flood Warning | ARX | Crawford | 5 days |
| Jul 20, 3:01 AM CDT | River Flood Warning | ARX | Crawford | 7 days |
| Jul 20, 3:01 AM CDT | River Flood Warning | ARX | Crawford | 8 days |
| Jul 20, 3:03 AM CDT | River Flood Warning | ARX | Buffalo, Trempealeau | 47 hr |
| Jul 20, 8:17 AM CDT | Areal Flood Warning | ARX | Jackson, La Crosse, Monroe | 6 hr |
| Jul 20, 8:28 AM CDT | Areal Flood Warning | ARX | Buffalo, Trempealeau | 6 hr |
| Jul 20, 8:59 AM CDT | Areal Flood Warning | ARX | Crawford, Juneau, Richland, Vernon | 12 hr |
| Jul 20, 11:31 AM CDT | Flash Flood Watch | ARX | Adams, Buffalo, Crawford, Grant, Jackson, Juneau and 5 more | 40 hr |
| Jul 20, 2:17 PM CDT | Areal Flood Warning | ARX | Jackson, La Crosse, Monroe | 6 hr |
| Jul 20, 2:26 PM CDT | Areal Flood Warning | ARX | Buffalo, Trempealeau | 6 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2017Every flash flood warning in 2017
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.