Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 39, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 6, 1999, 4:43 PM CDT for Kenosha County, Wisconsin. It was in force for 62 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 6, 1999, 4:43 PM CDT (21:43 UTC)
- Expired
- Jun 6, 1999, 5:45 PM CDT
- In force
- 62 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Kenosha County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 4:55 PM CDT | Thunderstorm Wind | Twin Lakes, 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, 9.7 hours before the alert went out and 213 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 062144 RRB SVRMKE WIC059-079-101-062245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 443 PM CDT SUN JUN 6 1999 THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... KENOSHA COUNTY IN SOUTHEASTERN WISCONSIN MILWAUKEE COUNTY IN SOUTHEASTERN WISCONSIN RACINE COUNTY IN SOUTHEASTERN WISCONSIN * UNTIL 545 PM CDT * AT 442 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM WAUKESHA TO LAKE GENEVA...MOVING EAST/NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MILWAUKEE AT 530 PM CDT RACINE AT 530 PM CDT KENOSHA AT 530 PM CDT SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! KAPELA
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, 5 hours 8 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.
Local storm report, Jun 6, 4:19 PM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
419 PM CDT SUN JUN 06 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0225 PM MENDOTA WI 1 INCH HAIL
06/06/99 DANE
0345 PM MONROE MUNI ARPT WI 70 MPH TSTM GUST
06/06/99 GREEN
0348 PM HANOVER WI WIND DAMAGE
06/06/99 ROCK
0356 PM EVANSVILLE WI 60 MPH TSTM GUST
06/06/99 ROCKLocal storm report, Jun 6, 4:19 PM CDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
419 PM CDT SUN JUN 06 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0225 PM MENDOTA WI 1 INCH HAIL
06/06/99 DANE
0345 PM MONROE MUNI ARPT WI 70 MPH TSTM GUST
06/06/99 GREEN
0348 PM HANOVER WI WIND DAMAGE
06/06/99 ROCK
0356 PM EVANSVILLE WI 60 MPH TSTM GUST
06/06/99 ROCKThe 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, 3:19 PM CDT | Severe Thunderstorm Warning | MKX | Columbia | 56 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, 4:45 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.