Alert archive / Wisconsin / Flash Flood Warnings in 2018
Flash Flood Warning 2, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at Jun 16, 2018, 6:18 PM CDT for Columbia 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 16, 2018, 6:18 PM CDT (23:18 UTC)
- Expired
- Jun 16, 2018, 9:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Flood severity
- None
County Columbia County, WI
The radar
The Milwaukee radar (KMKX), 90 km from the middle of the area, began a volume at 23:21 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 16, 8:30 PM CDT | FLASH FLOOD | 5 S Portage, WI | SHERIFF'S OFFICE REPORTS PORTIONS OF COUNTY HIGHWAYS U AND W IN WEST CENTRAL COLUMBIA COUNTY WEST OF THE WISCONSIN RIVER ARE IMPASSABLE AND CLOSED DUE TO FLOODING AND BEING WASHED OUT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.3 hours before the alert went out and 153 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
- 823 J/kg
- Mixed-layer CIN
- -222 J/kg
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
248 WGUS53 KMKX 162318 FFWMKX WIC021-170215- /O.NEW.KMKX.FF.W.0002.180616T2318Z-180617T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Milwaukee/Sullivan WI 618 PM CDT SAT JUN 16 2018 The National Weather Service in Milwaukee/Sullivan has issued a * Flash Flood Warning for... Central Columbia County in south central Wisconsin... * Until 915 PM CDT. * At 616 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Around 4 inches of rain have fallen. Flash flooding may be ongoing or is expected to begin shortly. * Some locations that will experience flooding include... Lake Wisconsin, Wyocena and Interstate 90/94 Interchange. Additional rainfall amounts of 1 to 2 inches are possible in the warned area through 730 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, country roads, farmland, and other low lying spots. && LAT...LON 4352 8932 4345 8925 4340 8960 4351 8960 $$ GEHRING
1 follow-up statement
570 WGUS73 KMKX 170039 FFSMKX Flash Flood Statement National Weather Service Milwaukee/Sullivan WI 739 PM CDT SAT JUN 16 2018 WIC021-170215- /O.CON.KMKX.FF.W.0002.000000T0000Z-180617T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Columbia WI- 739 PM CDT SAT JUN 16 2018 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR CENTRAL COLUMBIA COUNTY... At 737 PM CDT, Doppler radar indicated approximately 3 to 5 inches of rain had fallen over the warned area. The rain has ended but runoff will continue. No flash flooding has been reported, however it still remains possible. Some locations that will experience flooding include... Lake Wisconsin, Wyocena and Interstate 90/94 Interchange. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, country roads, farmland, and other low lying spots. && LAT...LON 4352 8932 4345 8925 4340 8960 4351 8960 $$ GEHRING
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 7:59 PM CDT | Special Weather Statement | MKX | Marquette | 31 min |
| Jun 15, 8:24 PM CDT | Special Weather Statement | MKX | Green Lake, Marquette | 36 min |
| Jun 15, 8:54 PM CDT | Special Weather Statement | MKX | Fond du Lac, Green Lake | 36 min |
| Jun 15, 9:27 PM CDT | Special Weather Statement | MKX | Columbia, Fond du Lac | 33 min |
| Jun 15, 10:00 PM CDT | Special Weather Statement | MKX | Columbia, Dodge, Fond du Lac, Ozaukee, Sheboygan | 30 min |
| Jun 15, 10:40 PM CDT | Special Weather Statement | MKX | Dane, Jefferson, Milwaukee, Waukesha | 35 min |
| Jun 15, 11:08 PM CDT | Special Weather Statement | MKX | Dane, Jefferson, Kenosha, Milwaukee, Racine, Rock and 2 more | 22 min |
| Jun 15, 11:21 PM CDT | Special Weather Statement | MKX | Dane, Jefferson, Kenosha, Milwaukee, Racine, Rock and 2 more | 24 min |
| Jun 15, 11:28 PM CDT | Special Weather Statement | MKX | Sauk | 62 min |
| Jun 15, 11:40 PM CDT | Special Weather Statement | MKX | Dane, Jefferson, Kenosha, Milwaukee, Racine, Rock and 2 more | 35 min |
| Jun 16, 12:11 AM CDT | Areal Flood Advisory | MKX | Dane | 3 hr |
| Jun 16, 12:12 AM CDT | Special Weather Statement | MKX | Dane, Green, Iowa, Kenosha, Rock, Walworth | 48 min |
| Jun 16, 12:21 AM CDT | Flash Flood Warning | MKX | Dane | 3 hr |
| Jun 16, 12:55 AM CDT | Areal Flood Advisory | MKX | Iowa | 3 hr |
| Jun 16, 1:53 AM CDT | Areal Flood Advisory | MKX | Rock | 112 min |
| Jun 16, 5:51 AM CDT | Special Marine Warning | MKX | 54 min | |
| Jun 16, 6:43 AM CDT | Special Marine Warning | MKX | 62 min | |
| Jun 16, 3:58 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 32 min |
| Jun 16, 4:02 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Green Lake, Marquette | 28 min |
| Jun 16, 4:47 PM CDT | Severe Thunderstorm Warning | MKX | Columbia | 43 min |
| Jun 16, 5:06 PM CDT | Areal Flood Advisory | MKX | Columbia, Sauk | 3 hr |
| Jun 16, 5:38 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 52 min |
| Jun 16, 6:28 PM CDT | Severe Thunderstorm Warning | MKX | Columbia | 47 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.