Alert archive / Wisconsin / Flash Flood Warnings in 1999
Flash Flood Warning 7, NWS Milwaukee, WI
NWS Milwaukee, WI issued this flash flood warning at Jun 10, 1999, 2:23 PM CDT for Sauk County, Wisconsin. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 10, 1999, 2:23 PM CDT (19:23 UTC)
- Expired
- Jun 10, 1999, 3:30 PM CDT
- In force
- 67 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Sauk County, WI
The radar
The La Crosse radar (KARX), 109 km from the middle of the area, began a volume at 19:26 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, 7.4 hours before the alert went out and 189 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
- 1348 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1077 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 10, 11:30 AM CDT, 2 hours 53 minutes before
WIZ046-047-051-052-056>060-062>072-101600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1130 AM CDT THU JUN 10 1999 ...SLIGHT RISK OF HAZARDOUS WEATHER THIS AFTERNOON AND TONIGHT... ...FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN... DISCUSSION... WARM...HUMID...SUNNY CONDITIONS ARE LEADING TO RAPID DESTABILIZATION OF THE ATMOSPHERE OVER SOUTHERN WISCONSIN. A CONVECTIVELY INDUCED DISTURBANCE OVER SOUTH CENTRAL IOWA WILL TRACK NORTHEAST INTO WISCONSIN LATER THIS AFTERNOON AND EVENING. THE COMBINATION OF THIS DISTURBANCE AND THE DESTABILIZING ATMOSPHERE WILL LIKELY LEAD TO THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. SOME OF THESE STORMS MAY PRODUCE DAMAGING WINDS...LARGE HAIL AND TORRENTIAL RAINFALL. SPOTTER ACTIVATION... STORM SPOTTER GROUPS WILL LIKELY BE NEEDED TODAY OR TONIGHT. DAVIS
Special weather statement, Jun 10, 11:30 AM CDT, 2 hours 53 minutes before
WIZ046-047-051-052-056>060-062>072-101600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1130 AM CDT THU JUN 10 1999 ...SLIGHT RISK OF HAZARDOUS WEATHER THIS AFTERNOON AND TONIGHT... ...FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN... DISCUSSION... WARM...HUMID...SUNNY CONDITIONS ARE LEADING TO RAPID DESTABILIZATION OF THE ATMOSPHERE OVER SOUTHERN WISCONSIN. A CONVECTIVELY INDUCED DISTURBANCE OVER SOUTH CENTRAL IOWA WILL TRACK NORTHEAST INTO WISCONSIN LATER THIS AFTERNOON AND EVENING. THE COMBINATION OF THIS DISTURBANCE AND THE DESTABILIZING ATMOSPHERE WILL LIKELY LEAD TO THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. SOME OF THESE STORMS MAY PRODUCE DAMAGING WINDS...LARGE HAIL AND TORRENTIAL RAINFALL. SPOTTER ACTIVATION... STORM SPOTTER GROUPS WILL LIKELY BE NEEDED TODAY OR TONIGHT. DAVIS
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 1:33 PM CDT | Severe Thunderstorm Warning | MKX | Washington | 42 min |
| Jun 10, 1:46 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 59 min |
| Jun 10, 2:23 PM CDT | Flash Flood Warning | MKX | Sauk | 3 hr |
| Jun 10, 2:38 PM CDT | Severe Thunderstorm Warning | MKX | Racine, Walworth, Waukesha | 67 min |
| Jun 10, 2:44 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson | 61 min |
| Jun 10, 3:16 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Washington | 59 min |
| Jun 10, 3:53 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Ozaukee | 67 min |
| Jun 10, 4:21 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 64 min |
| Jun 10, 4:58 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson, Waukesha | 62 min |
| Jun 10, 5:56 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge | 64 min |
| Jun 10, 6:23 PM CDT | Severe Thunderstorm Warning | MKX | Walworth | 62 min |
| Jun 10, 6:35 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 65 min |
Nearby
Flash Flood Warnings in Wisconsin, 1999Every flash flood warning in 1999
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.