Alert archive / Wisconsin / Flash Flood Warnings in 2020
Flash Flood Warning 1, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Jun 9, 2020, 9:38 PM CDT for Chippewa County, Eau Claire County, Rusk County, Wisconsin. It was in force for 4 hr. 3 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
- Jun 9, 2020, 9:38 PM CDT (02:38 UTC)
- Expired
- Jun 10, 2020, 1:19 AM CDT
- In force
- 4 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Chippewa County, WI, Eau Claire County, WI, Rusk County, WI
The radar
The La Crosse radar (KARX), 154 km from the middle of the area, began a volume at 02:40 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 9, 10:00 PM CDT | HEAVY RAIN 1.53 | 1 Nnw Augusta, WI | |
| Jun 9, 10:15 PM CDT | HEAVY RAIN 3.6 | Cadott, WI | PHONED IN SPOTTER REPORT. |
| Jun 10, 12:35 AM CDT | FLASH FLOOD | 9 Ssw Fall Creek, WI | TWEET FROM EAU CLAIRE COUNTY EM SAYING THAT CTH D WAS CLOSED IN ALLEN BY MARSHALL AVENUE DUE TO FLOODING. |
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, 2.6 hours before the alert went out and 214 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
- 5 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 1498 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.3
The text
As transmitted.
874
WGUS53 KMPX 100238
FFWMPX
WIC017-035-107-100845-
/O.NEW.KMPX.FF.W.0001.200610T0238Z-200610T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
938 PM CDT Tue Jun 9 2020
The National Weather Service in The Twin Cities has issued a
* Flash Flood Warning for...
Rusk County in northwestern Wisconsin...
Chippewa County in west central Wisconsin...
Eau Claire County in west central Wisconsin...
* Until 345 AM CDT Wednesday.
* At 937 PM CDT, Doppler radar indicated heavy rain across the warned
area. Up to two inches of rain have already fallen. Flash flooding
is expected to begin shortly.
* Some locations that will experience flooding include...
Eau Claire, Ladysmith, Chippewa Falls, Altoona, Lake Hallie,
Stanley, Lake Wissota, Augusta, Cornell, Cadott, Fall Creek and
Boyd.
Additional rainfall amounts of one to two inches are possible in the
warned area through early Wednesday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.
&&
LAT...LON 4538 9069 4537 9092 4468 9091 4460 9094
4460 9157 4564 9116 4564 9068 4544 9067
$$
JLT1 follow-up statement
695
WGUS73 KMPX 100619
FFSMPX
Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
119 AM CDT Wed Jun 10 2020
WIC017-035-107-100628-
/O.CAN.KMPX.FF.W.0001.000000T0000Z-200610T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Rusk WI-Chippewa WI-Eau Claire WI-
119 AM CDT Wed Jun 10 2020
...THE FLASH FLOOD WARNING FOR RUSK...CHIPPEWA AND EAU CLAIRE
COUNTIES IS CANCELLED...
Widespread heavy rain has ended...and any additional flooding is no
longer expected to pose an imminent threat. Scattered showers and
isolated thunderstorms remain possible into this afternoon.
Please continue to heed any remaining road closures.
LAT...LON 4538 9069 4537 9092 4468 9091 4460 9094
4460 9157 4564 9116 4564 9068 4544 9067
$$Nearby
Flash Flood Warnings in Wisconsin, 2020Every flash flood warning in 2020
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.