Alert archive / Wisconsin / Flash Flood Warnings in 2002
Flash Flood Warning 9, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at Aug 21, 2002, 6:25 PM CDT for Fond du Lac 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
- Aug 21, 2002, 6:25 PM CDT (23:25 UTC)
- Expired
- Aug 21, 2002, 10:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Counties, with a storm outline in the text
County Fond du Lac County, WI
The radar
The Green Bay radar (KGRB), 81 km from the middle of the area, began a volume at 23:27 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, 11.4 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 973 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KMKX 212325 FFWMKE WIC039-220315- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 622 PM CDT WED AUG 21 2002 THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A * FLASH FLOOD WARNING FOR... FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN THIS INCLUDES THE CITIES OF...NORTH FOND DU LAC...FOND DU LAC * UNTIL 1015 PM CDT * AT 622 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL WERE EXITING EASTERN FOND DU LAC COUNTY. ANOTHER ROUND OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN WILL MOVE INTO THE COUNTY AFTER 645 PM. * WEATHER SERVICE DOPPLER RADAR ESTIMATES ARE THAT 1 TO 2 INCHES OF RAINFALL FELL DURING THE PAST 2 HOURS. THIS RAIN...AND THE ADDITIONAL EXPECTED...WILL CAUSE LOCAL STREAMS AND RIVERS TO RISE RAPIDLY AND OVERFLOW THEIR BANKS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND QUICKLY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. KEEP CHILDREN FROM PLAYING IN FLOODED CULVERTS. THE RAPIDLY FLOWING WATER CAN QUICKLY CARRY THEM AWAY. LAT...LON 4393 8818 4365 8818 4368 8886 4387 8884 ZAJDEL
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 5:10 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 65 min |
| Aug 21, 5:16 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Green Lake | 29 min |
| Aug 21, 5:18 PM CDT | Tornado Warning | MKX | Fond du Lac, Green Lake | 57 min |
| Aug 21, 5:25 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 50 min |
| Aug 21, 5:54 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Marquette | 51 min |
| Aug 21, 6:17 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Green Lake | 43 min |
| Aug 21, 6:24 PM CDT | Severe Thunderstorm Warning | MKX | Green | 51 min |
| Aug 21, 6:42 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 48 min |
| Aug 21, 6:57 PM CDT | Special Marine Warning | MKX | 93 min | |
| Aug 21, 6:57 PM CDT | Special Marine Warning | MKX | 93 min |
Nearby
Flash Flood Warnings in Wisconsin, 2002Every flash flood warning in 2002
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.