Alert archive / Wisconsin / Flash Flood Warnings in 2018
Flash Flood Warning 8, NWS La Crosse, WI
NWS La Crosse, WI issued this flash flood warning at Jun 18, 2018, 4:37 AM CDT for Clark County, Jackson County, Wisconsin. It was in force for 3 hr. 1 report 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
- Jun 18, 2018, 4:37 AM CDT (09:37 UTC)
- Expired
- Jun 18, 2018, 7:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clark County, WI, Jackson County, WI
The radar
The La Crosse radar (KARX), 90 km from the middle of the area, began a volume at 09:36 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 |
|---|---|---|---|
| Jun 18, 5:08 AM CDT | FLASH FLOOD | 2 Wnw Christie, WI | THE BLACK RIVER WAS REPORTED OVER COUNTY ROAD H. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 9.6 hours before the alert went out and 219 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
- 2040 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 954 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.1
The text
As transmitted.
980
WGUS53 KARX 180937
FFWARX
WIC019-053-181230-
/O.NEW.KARX.FF.W.0008.180618T0937Z-180618T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service La Crosse WI
437 AM CDT MON JUN 18 2018
The National Weather Service in La Crosse has issued a
* Flash Flood Warning for...
Southern Clark County in central Wisconsin...
Northwestern Jackson County in west central Wisconsin...
* Until 730 AM CDT
* At 436 AM CDT, local law enforcement reported several roads with
water over them across southern Clark County. Up to three inches
of rain have already fallen. Flash flooding is already occurring.
* Some locations that will experience flooding include...
Neillsville, Loyal, Fairchild, Price, Humbird, Lynn, Levis,
Granton, Highway 73 And 98, Wildcat Mound, Tioga, Christie, Highway
10 And Bald Peak Road, Globe, Chili, Hog Corners, Highway 10 And
12, Chili Corners, Veefkind and Sidney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4448 9117 4460 9116 4460 9092 4468 9092
4479 9032 4457 9032
$$
Wetenkamp1 follow-up statement
722
WGUS73 KARX 181036
FFSARX
Flash Flood Statement
National Weather Service La Crosse WI
536 AM CDT MON JUN 18 2018
WIC019-053-181230-
/O.CON.KARX.FF.W.0008.000000T0000Z-180618T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clark WI-Jackson WI-
536 AM CDT MON JUN 18 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR
SOUTHERN CLARK AND NORTHWESTERN JACKSON COUNTIES...
At 530 AM CDT, local law enforcement reported flash flooding over
portions of southern Clark County. Water was reported over County
Highway H near Christie and water was reported over County K south
of Loyal.
Some locations that will experience flooding include...
Neillsville, Loyal, Fairchild, Price, Humbird, Lynn, Levis, Granton,
Highway 73 And 98, Wildcat Mound, Tioga, Christie, Highway 10 And
Bald Peak Road, Globe, Chili, Hog Corners, Highway 10 And 12, Chili
Corners, Veefkind and Sidney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4448 9117 4460 9116 4460 9092 4468 9092
4479 9032 4457 9032
$$
WetenkampThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:01 PM CDT | Severe Thunderstorm Warning | ARX | Taylor | 50 min |
| Jun 17, 8:38 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 52 min |
| Jun 17, 11:39 PM CDT | Special Weather Statement | ARX | Monroe | 36 min |
| Jun 18, 1:58 AM CDT | Special Weather Statement | ARX | Jackson | 32 min |
| Jun 18, 2:41 AM CDT | Special Weather Statement | ARX | Buffalo, Clark, Jackson, Trempealeau | 49 min |
| Jun 18, 3:41 AM CDT | Flash Flood Warning | ARX | Buffalo, Trempealeau | 4 hr |
| Jun 18, 7:28 AM CDT | Areal Flood Warning | ARX | Clark, Jackson | 6 hr |
| Jun 18, 7:32 AM CDT | Areal Flood Warning | ARX | Buffalo, Trempealeau | 6 hr |
| Jun 18, 10:14 AM CDT | River Flood Warning | ARX | Adams, Juneau | 5 days |
| Jun 18, 1:36 PM CDT | Areal Flood Warning | ARX | Clark | 6 hr |
| Jun 18, 6:41 PM CDT | Special Weather Statement | ARX | Grant | 79 min |
Nearby
Flash Flood Warnings in Wisconsin, 2018Every flash flood warning in 2018
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.