Alert archive / Wisconsin / Flash Flood Warnings in 2004
Flash Flood Warning 3, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at May 20, 2004, 7:57 PM CDT for Kenosha County, Wisconsin. It was in force for 2 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
- May 20, 2004, 7:57 PM CDT (00:57 UTC)
- Expired
- May 20, 2004, 10:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Counties, with a storm outline in the text
County Kenosha County, WI
The radar
The Milwaukee radar (KMKX), 72 km from the middle of the area, began a volume at 00:58 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 |
|---|---|---|---|
| May 20, 8:30 PM CDT | FLASH FLOOD | 5 Ne Paddock Lake, WI | 12 INCHES OF STANDING WATER AT INTERSECTION OF HWYS 45 AND 142. |
| May 20, 8:50 PM CDT | FLASH FLOOD | 5 Nw Kenosha, WI | 1/3 TO 1/2 OF ROADS IN SOMERS TOWNSHIP ARE UNDERWATER. |
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 00:00Z, 1.0 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
- 12 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 758 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 294 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KMKX 210100 FFWMKX WIC059-210300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 757 PM CDT THU MAY 20 2004 THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A * FLASH FLOOD WARNING FOR... KENOSHA COUNTY IN SOUTHEAST WISCONSIN THIS INCLUDES THE CITIES OF...PLEASANT PRAIRIE...KENOSHA * UNTIL 1000 PM CDT * AT 753 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING WAS LIKELY FROM A THUNDERSTORM 5 MILES WEST OF PLEASANT PRAIRIE...MOVING EAST AT 10 MPH. RADAR ESTIMATES INDICATE THAT NEARLY 1 1/2 TO 2 INCHES RAIN HAS FALLEN FROM PADDOCK LAKE TO BRISTOL TO JUST WEST OF KENOSHA AND PLEASANT PRAIRIE. ANOTHER INCH OR SO RAIN IS POSSIBLE UNTIL THE STORMS EXIT BY 9 PM CDT. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING. LAT...LON 4264 8808 4246 8809 4240 8752 4267 8752 $$ DAVIS
2 follow-up statements
000 WGUS73 KMKX 210112 FFSMKX WIC059-210300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 810 PM CDT THU MAY 20 2004 ...FLASH FLOOD WARNING CONTINUES FOR KENOSHA COUNTY UNTIL 10 PM CDT... RADAR ESTIMATES INDICATE SEVERE THUNDERSTORMS HAVE DUMPED UP TO 2 INCHES OF RAIN FROM PADDOCK LAKE EAST TO KENOSHA. ALSO...RAINFALL OF 1 1/2 INCHES HAS FALLEN TO THE WEST OF PADDOCK LAKE. THESE STORMS ARE MOVING EAST AT 30 MPH AND SHOULD EXIT THE COUNTY BETWEEN 830 AND 9 PM. AN ADDITIONAL INCH OR SO OF RAIN IS STILL POSSIBLE UNTIL THE STORMS EXIT THE AREA. SIGNIFICANT FLOODING OF ROADS AND LOW LYING AREAS WAS REPORTED IN THE TOWN OF PADDOCK LAKE. $$ DAVIS
000 WGUS73 KMKX 210152 FFSMKX WIC059-210300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 850 PM CDT THU MAY 20 2004 ...FLASH FLOOD WARNING CONTINUES FOR KENOSHA COUNTY UNTIL 10 PM CDT... THUNDERSTORMS CONTINUE ACROSS KENOSHA COUNTY WHICH WILL ONLY AGGRAVATE THE FLOODING SITUATION ACROSS THE COUNTY. RADAR ESTIMATES SHOW BETWEEN 2 TO 2 1/2 INCHES OF RAIN HAS FALLEN ACROSS MUCH OF THE COUNTY THIS EVENING. AN ADDITIONAL 1/2 TO 1 INCH OF RAIN IS POSSIBLE IN ISOLATED SPOTS BEFORE THE STORMS END. SIGNIFICANT FLOODING OF ROADS AND LOW LYING AREAS WAS REPORTED IN THE TOWN OF PADDOCK LAKE. STREAMS AND RIVERS ALREADY HIGH COULD RISE RAPIDLY ABOVE THEIR FLOOD STAGES. $$ DAVIS
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 7:11 PM CDT | Special Marine Warning | MKX | 2 hr | |
| May 20, 7:11 PM CDT | Special Marine Warning | MKX | 2 hr | |
| May 20, 7:26 PM CDT | Special Marine Warning | MKX | 64 min | |
| May 20, 8:02 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha | 28 min |
| May 20, 8:14 PM CDT | Severe Thunderstorm Warning | MKX | Racine | 31 min |
| May 20, 8:23 PM CDT | Flash Flood Warning | MKX | Racine | 97 min |
| May 20, 8:26 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 49 min |
| May 21, 8:23 AM CDT | Special Marine Warning | MKX | 112 min | |
| May 21, 8:23 AM CDT | Special Marine Warning | MKX | 112 min | |
| May 21, 8:23 AM CDT | Special Marine Warning | MKX | 112 min | |
| May 21, 8:51 AM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 39 min |
| May 21, 9:05 AM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Milwaukee, Racine | 25 min |
| May 21, 9:29 AM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 31 min |
| May 21, 3:16 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 29 min |
| May 21, 3:41 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane | 49 min |
| May 21, 5:15 PM CDT | Special Marine Warning | MKX | 2 hr | |
| May 21, 5:15 PM CDT | Special Marine Warning | MKX | 2 hr | |
| May 21, 5:15 PM CDT | Special Marine Warning | MKX | 2 hr | |
| May 21, 5:15 PM CDT | Special Marine Warning | MKX | 2 hr | |
| May 21, 6:17 PM CDT | Flash Flood Warning | MKX | Kenosha, Racine, Walworth | 4 hr |
Nearby
Flash Flood Warnings in Wisconsin, 2004Every flash flood warning in 2004
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.