Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 45, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 8, 1999, 5:15 PM CDT for Iowa County, Lafayette County, Wisconsin. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 8, 1999, 5:15 PM CDT (22:15 UTC)
- Expired
- Jun 8, 1999, 6:15 PM CDT
- In force
- 60 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
Counties Iowa County, WI, Lafayette County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 8, 5:44 PM CDT | Hail 1 | Dodgeville, WI |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 10.3 hours before the alert went out and 138 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
- 1122 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- -5 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 severe thunderstorm 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 8, 3:05 PM CDT, 2 hours 10 minutes before
WIZ046-047-056-057-062-063-067>069-082300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 305 PM CDT TUE JUN 8 1999 ...HAZARDOUS WEATHER OUTLOOK... ...FOR SOUTH CENTRAL WISCONSIN... THREAT... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE REST OF THIS AFTERNOON INTO TONIGHT. DISCUSSION... VERY UNSTABLE AIR COMBINED WITH DEVELOPING SURFACE CONVERGENCE WILL BE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. SPOTTER ACTION... STORM SPOTTER GROUPS MAY NEED TO BE ACTIVATED THIS AFTERNOON INTO TONIGHT ACROSS SOUTH CENTRAL WISCONSIN. EISE
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 5:13 PM CDT | Severe Thunderstorm Warning | MKX | Marquette | 57 min |
| Jun 8, 5:44 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 56 min |
| Jun 8, 6:13 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane | 62 min |
| Jun 8, 6:33 PM CDT | Flash Flood Warning | MKX | Columbia, Sauk | 2 hr |
| Jun 8, 6:42 PM CDT | Severe Thunderstorm Warning | MKX | Green Lake | 63 min |
| Jun 8, 6:49 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac | 61 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1999Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.