Alert archive / Wisconsin / Flash Flood Warnings in 2018
Flash Flood Warning 16, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at Aug 28, 2018, 4:21 PM CDT for Fond du Lac County, Sheboygan County, Wisconsin. It was in force for 9 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
- Aug 28, 2018, 4:21 PM CDT (21:21 UTC)
- Expired
- Aug 29, 2018, 1:13 AM CDT
- In force
- 9 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Flood severity
- None
Counties Fond du Lac County, WI, Sheboygan County, WI
The radar
The Green Bay radar (KGRB), 81 km from the middle of the area, began a volume at 21:19 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 |
|---|---|---|---|
| Aug 28, 5:15 PM CDT | HEAVY RAIN 5.5 | Sheboygan Falls, WI | STORM TOTAL SO FAR. REPORTED VIA SOCIAL MEDIA. |
| Aug 29, 12:00 AM CDT | HEAVY RAIN 2.42 | Fond Du Lac, WI | 24 HOUR TOTAL ENDING AT MIDNIGHT. |
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, 9.4 hours before the alert went out and 79 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
- 41 J/kg
- Mixed-layer CIN
- -407 J/kg
- Mixed-layer LCL
- 1253 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
809
WGUS53 KMKX 282121
FFWMKX
WIC039-117-290315-
/O.NEW.KMKX.FF.W.0016.180828T2121Z-180829T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Milwaukee/Sullivan WI
421 PM CDT TUE AUG 28 2018
The National Weather Service in Milwaukee/Sullivan has issued a
* Flash Flood Warning for...
Fond du Lac County in east central Wisconsin...
Sheboygan County in east central Wisconsin...
* Until 1015 PM CDT.
* At 419 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is expected to
begin shortly.
* Some locations that will experience flooding include...
Sheboygan, Fond Du Lac, Waupun, Plymouth, Sheboygan Falls, Ripon,
North Fond Du Lac, Howards Grove, Oostburg, Kohler, Cedar Grove,
Campbellsport, Random Lake, Oakfield, Rosendale, Elkhart Lake,
Brandon, Southern Lake Winnebago, Taycheedah and Ashford.
Additional rainfall amounts of 2 to 3 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Do not
drive around barricades.
&&
LAT...LON 4367 8770 4353 8779 4354 8840 4363 8841
4363 8888 4390 8889 4389 8841 4394 8840
4394 8834 4393 8816 4389 8816 4389 8772
4379 8769
$$
MRC2 follow-up statements
541
WGUS53 KMKX 290149
FFWMKX
WIC039-117-291115-
/O.EXT.KMKX.FF.W.0016.000000T0000Z-180829T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Milwaukee/Sullivan WI
849 PM CDT TUE AUG 28 2018
The National Weather Service in Milwaukee/Sullivan has extended the
* Flash Flood Warning for...
Fond du Lac County in east central Wisconsin...
Sheboygan County in east central Wisconsin...
* Until 615 AM CDT Wednesday.
* At 848 PM CDT, Emergency management reported flash flooding across
the warned area. Many roads are closed and impassable. As runoff
continues overnight, water may still rise in some locations.
* Some locations that will experience flooding include...
Sheboygan, Fond Du Lac, Waupun, Plymouth, Sheboygan Falls, Ripon,
North Fond Du Lac, Howards Grove, Oostburg, Kohler, Cedar Grove,
Campbellsport, Random Lake, Oakfield, Rosendale, Elkhart Lake,
Brandon, Southern Lake Winnebago, Taycheedah and Ashford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4367 8770 4353 8779 4354 8840 4363 8841
4363 8888 4390 8889 4389 8841 4394 8840
4394 8834 4393 8816 4389 8816 4389 8772
4379 8769
$$
BOXELL353
WGUS73 KMKX 290613
FFSMKX
Flash Flood Statement
National Weather Service Milwaukee/Sullivan WI
113 AM CDT WED AUG 29 2018
WIC039-117-290622-
/O.CAN.KMKX.FF.W.0016.000000T0000Z-180829T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fond du Lac WI-Sheboygan WI-
113 AM CDT WED AUG 29 2018
...THE FLASH FLOOD WARNING FOR FOND DU LAC AND SHEBOYGAN COUNTIES IS
CANCELLED...
The heavy rain has ended and flash flooding is no longer occurring.
Please continue to heed any remaining road closures.
LAT...LON 4367 8770 4353 8779 4354 8840 4363 8841
4363 8888 4390 8889 4389 8841 4394 8840
4394 8834 4393 8816 4389 8816 4389 8772
4379 8769
$$
GEHRINGThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 9:12 PM CDT | Severe Thunderstorm Warning | MKX | Green Lake, Marquette | 48 min |
| Aug 27, 10:43 PM CDT | Special Marine Warning | MKX | 92 min | |
| Aug 27, 10:47 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 43 min |
| Aug 27, 11:22 PM CDT | Tornado Warning | MKX | Sauk | 23 min |
| Aug 27, 11:36 PM CDT | Tornado Warning | MKX | Columbia, Marquette, Sauk | 24 min |
| Aug 27, 11:51 PM CDT | Flash Flood Warning | MKX | Columbia, Sauk | 3 hr |
| Aug 27, 11:55 PM CDT | Flash Flood Warning | MKX | Green Lake, Marquette | 6 hr |
| Aug 27, 11:57 PM CDT | Tornado Warning | MKX | Columbia, Green Lake, Marquette | 33 min |
| Aug 28, 12:00 AM CDT | Flash Flood Warning | MKX | Fond du Lac, Sheboygan | 6 hr |
| Aug 28, 12:51 AM CDT | Flash Flood Warning | MKX | Fond du Lac, Sheboygan | 6 hr |
| Aug 28, 1:45 AM CDT | Flash Flood Warning | MKX | Dodge, Ozaukee, Washington | 3 hr |
| Aug 28, 2:43 AM CDT | Flash Flood Warning | MKX | Columbia, Sauk | 3 hr |
| Aug 28, 5:45 AM CDT | Areal Flood Warning | MKX | Columbia, Sauk | 6 hr |
| Aug 28, 5:53 AM CDT | Areal Flood Warning | MKX | Green Lake, Marquette | 6 hr |
| Aug 28, 11:33 AM CDT | River Flood Watch | MKX | Ozaukee | 7 hr |
| Aug 28, 12:11 PM CDT | River Flood Warning | MKX | Sauk | 13 days |
| Aug 28, 12:11 PM CDT | River Flood Warning | MKX | Sauk | 16 days |
| Aug 28, 2:29 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Marquette, Sauk | 46 min |
| Aug 28, 2:46 PM CDT | Tornado Warning | MKX | Marquette | 44 min |
| Aug 28, 3:01 PM CDT | Flash Flood Warning | MKX | Columbia, Green Lake, Marquette, Sauk | 10 hr |
| Aug 28, 3:06 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Green Lake, Marquette | 39 min |
| Aug 28, 3:12 PM CDT | Tornado Warning | MKX | Green Lake, Marquette | 33 min |
| Aug 28, 3:35 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Green Lake | 55 min |
| Aug 28, 3:38 PM CDT | Tornado Warning | MKX | Fond du Lac, Green Lake | 37 min |
| Aug 28, 3:44 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge | 33 min |
| Aug 28, 3:59 PM CDT | Tornado Warning | MKX | Dodge, Fond du Lac | 31 min |
| Aug 28, 4:10 PM CDT | Tornado Warning | MKX | Dodge, Fond du Lac | 35 min |
| Aug 28, 4:13 PM CDT | Special Marine Warning | MKX | 92 min | |
| Aug 28, 4:15 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac, Ozaukee, Sheboygan, Washington | 60 min |
| Aug 28, 4:26 PM CDT | Tornado Warning | MKX | Fond du Lac, Sheboygan | 34 min |
| Aug 28, 4:38 PM CDT | Flash Flood Warning | MKX | Ozaukee, Washington | 7 hr |
| Aug 28, 4:41 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Milwaukee, Ozaukee, Washington, Waukesha | 27 min |
| Aug 28, 6:55 PM CDT | River Flood Warning | MKX | Sauk | 63 hr |
| Aug 28, 6:55 PM CDT | River Flood Warning | MKX | Ozaukee | 36 hr |
| Aug 28, 6:55 PM CDT | River Flood Warning | MKX | Jefferson | 20 days |
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.