Alert archive / Wisconsin / Flash Flood Warnings in 2002
Flash Flood Warning 7, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at Aug 12, 2002, 7:42 PM CDT for Milwaukee County, Waukesha 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 12, 2002, 7:42 PM CDT (00:42 UTC)
- Expired
- Aug 12, 2002, 11:45 PM CDT
- In force
- 4 hr
- Issued by
- NWS Milwaukee, WI
- Area
- Counties, with a storm outline in the text
Counties Milwaukee County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 26 km from the middle of the area, began a volume at 00:43 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 00:00Z, 0.7 hours before the alert went out and 166 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
- 804 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1372 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KMKX 130042 FFWMKE WIC079-133-130445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 740 PM CDT MON AUG 12 2002 THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A * FLASH FLOOD WARNING FOR... MILWAUKEE COUNTY IN SOUTHEAST WISCONSIN THIS INCLUDES THE CITIES OF...WHITEFISH BAY...WEST ALLIS... WAUWATOSA... MILWAUKEE...HALES CORNERS...GREENFIELD. WAUKESHA COUNTY IN SOUTHEAST WISCONSIN THIS INCLUDES THE CITIES OF...WAUKESHA...WALES...NEW BERLIN...ELM GROVE...BROOKFIELD * UNTIL 1145 PM CDT * AT 740 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN WAS OCCURRING OVER MUCH OF THE WARNING AREA. * WEATHER SERVICE DOPPLER RADAR ESTIMATES ARE THAT 3 TO 5 INCHES OF RAIN FELL DURING THE PAST 2 HOURS. THIS RAIN...AND THE ADDITIONAL 1 TO 2 INCHES POSSIBLE...WILL CAUSE LOCAL STREAMS AND RIVERS TO RISE RAPIDLY AND OVERFLOW THEIR BANKS. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES...AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. KEEP CHILDREN FROM PLAYING IN FLOODED CULVERTS. THEY CAN BE QUICKLY WASHED AWAY IN THE RAPIDLY FLOWING WATERS. LAT...LON 4298 8846 4285 8843 4296 8789 4319 8791 GEHRING
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 8:48 PM CDT | Flash Flood Warning | MKX | Walworth | 3 hr |
| Aug 12, 8:57 PM CDT | Special Marine Warning | MKX | 3 hr | |
| Aug 12, 8:57 PM CDT | Special Marine Warning | MKX | 3 hr | |
| Aug 13, 5:16 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson | 59 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.