Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 49, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 8, 1999, 6:49 PM CDT for Fond du Lac County, Wisconsin. It was in force for 61 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, 6:49 PM CDT (23:49 UTC)
- Expired
- Jun 8, 1999, 7:50 PM CDT
- In force
- 61 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Fond du Lac County, WI
The radar
The Milwaukee radar (KMKX), 88 km from the middle of the area, began a volume at 23:52 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 8, 7:00 PM CDT | Thunderstorm Wind | Ripon, 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.8 hours before the alert went out and 86 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
- 7 J/kg
- Mixed-layer CIN
- -323 J/kg
- Mixed-layer LCL
- 1346 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 082351 SVRMKE WIC039-090050- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 649 PM CDT TUE JUN 8 1999 THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN * UNTIL 750 PM CDT * AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR FAIRWATER...20 MILES WEST OF FOND DU LAC...MOVING EAST NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RIPON AT 655 PM CDT ROSENDALE AT 700 PM CDT ELDORADO AT 705 PM CDT DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY BUILDING A\ND STAY AWAY FROM WINDOWS! MK/TZ
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, 3 hours 44 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, 5:15 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 60 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 |
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; radar from the NEXRAD Level II archive.