Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 28, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 6, 1999, 3:19 PM CDT for Columbia County, Wisconsin. It was in force for 56 min. 4 reports 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 6, 1999, 3:19 PM CDT (20:19 UTC)
- Expired
- Jun 6, 1999, 4:15 PM CDT
- In force
- 56 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Columbia County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 3:50 PM CDT | Thunderstorm Wind | Fall River, WI | |
| Jun 6, 4:08 PM CDT | Thunderstorm Wind | Wisconsin Dells, WI | |
| Jun 6, 4:18 PM CDT | Thunderstorm Wind | Arlington, WI | |
| Jun 6, 4:25 PM CDT | Thunderstorm Wind | Columbus, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 6, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.3 hours before the alert went out and 150 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
- 1488 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 803 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.9
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 6, 11:35 AM CDT, 3 hours 44 minutes before
WIZ046-047-051-052-056>060-062>072-062100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1135 AM CDT SUN JUN 6 1999 ...HAZARDOUS WEATHER OUTLOOK... ...FOR SOUTH CENTRAL AND SOUTHEASTERN WISCONSIN... THREAT... A SLIGHT TO MODERATE RISK OF SEVERE THUNDERSTORMS...THIS AFTERNOON INTO TONIGHT. LARGE HAIL UP TO GOLF BALL SIZE...AND DAMAGING WINDS OF 60 TO 80 MPH. DISCUSSION...A VERY WARM AND UNSTABLE AIRMASS IS IN PLACE OVER WISCONSIN THIS AFTERNOON. A COLD FRONT IS APPROACHING THE REGION FROM THE PLAINS. IN ADDITION...A BAND OF STRONG UPPER AIR WINDS...WILL PUSH INTO THE STATE LATER THIS AFTERNOON AND TONIGHT. THE COMBINATION OF THE VERY UNSTABLE AIRMASS...AND FAVORABLE UPPER WINDS...WILL MEAN ANY THUNDERSTORMS THAT DEVELOP...COULD BE SEVERE. THE THREAT OF SEVERE WEATHER SHOULD CONTINUE INTO TONIGHT. SPOTTER ACTIVATION... STORM SPOTTER GROUPS WILL LIKELY NEED TO BE ACTIVATED LATER THIS AFTERNOON INTO TONIGHT.
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 3:17 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Rock | 58 min |
| Jun 6, 3:36 PM CDT | Tornado Warning | MKX | Green, Rock | 54 min |
| Jun 6, 3:51 PM CDT | Severe Thunderstorm Warning | MKX | Dodge | 54 min |
| Jun 6, 3:59 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson | 61 min |
| Jun 6, 4:06 PM CDT | Severe Thunderstorm Warning | MKX | Walworth | 54 min |
| Jun 6, 4:09 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Marquette | 66 min |
| Jun 6, 4:09 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 66 min |
| Jun 6, 4:12 PM CDT | Tornado Warning | MKX | Walworth | 63 min |
| Jun 6, 4:16 PM CDT | Tornado Warning | MKX | Dane, Jefferson | 59 min |
| Jun 6, 4:19 PM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac | 56 min |
| Jun 6, 4:28 PM CDT | Tornado Warning | MKX | Jefferson | 32 min |
| Jun 6, 4:30 PM CDT | Severe Thunderstorm Warning | MKX | Waukesha | 60 min |
| Jun 6, 4:35 PM CDT | Severe Thunderstorm Warning | MKX | Green Lake | 55 min |
| Jun 6, 4:39 PM CDT | Tornado Warning | MKX | Waukesha | 66 min |
| Jun 6, 4:42 PM CDT | Severe Thunderstorm Warning | MKX | Washington | 63 min |
| Jun 6, 4:43 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Racine | 62 min |
| Jun 6, 4:43 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha | 62 min |
| Jun 6, 4:45 PM CDT | Severe Thunderstorm Warning | MKX | Ozaukee, Sheboygan | 75 min |
| Jun 6, 4:51 PM CDT | Severe Thunderstorm Warning | MKX | Dodge | 24 min |
| Jun 6, 5:10 PM CDT | Tornado Warning | MKX | Ozaukee | 35 min |
| Jun 6, 6:51 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 54 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.