Alert archive / Wisconsin / Flash Flood Warnings in 2004
Flash Flood Warning 5, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at May 21, 2004, 6:17 PM CDT for Kenosha County, Racine County, Walworth County, Wisconsin. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 21, 2004, 6:17 PM CDT (23:17 UTC)
- Expired
- May 21, 2004, 10:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Counties, with a storm outline in the text
Counties Kenosha County, WI, Racine County, WI, Walworth County, WI
The radar
The Milwaukee radar (KMKX), 36 km from the middle of the area, began a volume at 23:17 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.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.3 hours before the alert went out and 200 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1440 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 196 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 212322 FFWMKX WIC059-101-127-220315- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 617 PM CDT FRI MAY 21 2004 THE NATIONAL WEATHER SERVICE IN MILWAUKEE HAS ISSUED A * FLASH FLOOD WARNING FOR... KENOSHA COUNTY IN SOUTHEAST WISCONSIN RACINE COUNTY IN SOUTHEAST WISCONSIN WALWORTH COUNTY IN SOUTHEAST WISCONSIN * UNTIL 1015 PM CDT * AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN FROM A LINE OF THUNDERSTORMS EXTENDING FROM NEAR WIND POINT...TO SALEM COULD CAUSE FLASH FLOODING IN AREAS THAT HAVE RECEIVED LARGE AMOUNTS OF RAIN OVER THE PAST 2 DAYS. A SECOND LINE OF THUNDERSTORMS APPROACHING FROM THE NORTHWEST COULD BRING ADDITIONAL RAINFALL AMOUNTS OF ONE AND ONE HALF INCH TO THREE INCHES IN THE WARNED AREA BETWEEN 630 PM AND 9PM CDT. DO NOT DRIVE ON WATER COVERED ROADS. RESIDENTS NEAR FAST RESPONDING RIVERS AND STREAMS SHOULD BE ALLERT FOR RAPID CHANGES IN WATER LEVELS. LAT...LON 4281 8867 4253 8868 4251 8780 4280 8778 $$ REM
2 follow-up statements
000 WGUS73 KMKX 220141 FFSMKX WIC059-101-127-220315- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 841 PM CDT FRI MAY 21 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1015 PM CDT FOR KENOSHA...RACINE AND WALWORTH COUNTIES... AT 830 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED BETWEEN THREE-QUARTERS OF AN INCH TO 1 1/2 INCHES OF RAIN HAVE FALLEN IN THE LAST 3 HOURS OVER WALWORTH...RACINE AND KENOSHA COUNTIES. THIS RAIN IS IN ADDITION TO HEAVY RAINFALL THAT HAS FALLEN OVER THE PAST 24 HOURS IN THE SAME LOCATIONS. SOME FLOODING IN PADDOCK LAKE HAS BEEN REPORTED. A LINE OF THUNDERSTORMS...DEVELOPING FROM GREEN COUNTY IN SOUTH CENTRAL WISCONSIN...WEST THROUGH NORTHERN IOWA...IS EXPECTED TO REACH SOUTHEAST WISCONSIN BETWEEN 930 PM AND 1030 PM CDT. THESE STORMS ARE GENERATING RAINFALL AT RATES BETWEEN 3/4 TO 1 INCH PER HOUR. THIS ADDITIONAL RAIN OVER ALREADY SATURATED GROUND COULD POTENTIALLY CAUSE FLASH FLOODING. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR FURTHER STATEMENTS OR A POSSIBLE EXTENSION OF THE CURRENT FLASH FLOOD WARNING. LAT...LON 4281 8867 4253 8868 4251 8780 4280 8778 $$ REM
000 WGUS73 KMKX 220208 FFSMKX WIC059-101-127-220315- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 908 PM CDT FRI MAY 21 2004 ...THE FLASH FLOOD WARNING FOR FOR KENOSHA...RACINE AND CENTRAL WALWORTH COUNTIES IS CANCELED... WHILE SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE OVER SOUTHEAST WISCONSIN...THE RAINFALL HAS NOT CAUSED FLASH FLOODING. COUNTY SHERIFF DEPUTIES REPORT STANDING WATER IN LOW-LYING AREAS AND ROADS ACROSS RACINE AND KENOSHA COUNTIES...BUT NO PROBLEMS FROM RUSHING WATER. THEREFORE THE FLASH FLOOD WARNING HAS BEEN CANCELED. HOWEVER...MORE SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE THROUGH SOUTHEAST WISCONSIN OVERNIGHT. WHILE FORECAST RAINFALL AMOUNTS ARE NOT EXPECTED TO CAUSE FLASH FLOODING...THE AMOUNT OF STANDING WATER WILL EXPAND WITH THE ADDITIONAL RAINFALL. AN URBAN AND SMALL STREAM FLOOD ADVISORY WILL BE ISSUED SHORTLY. LAT...LON 4281 8867 4253 8868 4251 8780 4280 8778 $$ REM
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, 7:57 PM CDT | Flash Flood Warning | MKX | Kenosha | 2 hr |
| 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 |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.