Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 75, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 25, 1998, 4:33 PM CDT for Iowa County, Wisconsin. It was in force for 57 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 25, 1998, 4:33 PM CDT (21:33 UTC)
- Expired
- Jun 25, 1998, 5:30 PM CDT
- In force
- 57 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Iowa County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 4:45 PM CDT | Thunderstorm Wind | Clyde, 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, 9.6 hours before the alert went out and 156 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
- 1709 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1088 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
408 WUUS1 KMKE 252134 RRA SVRMKE WIC049-252230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 433 PM CDT THU JUN 25 1998 THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN WI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN IOWA COUNTY IN SOUTH CENTRAL WISCONSIN * UNTIL 530 PM CDT * AT 433 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR BOSCOBEL... MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HIGHLAND AT 445 PM CDT AVOCA AT 450 PM CDT CLDYE AT 455 PM CDT IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION. SEVERE THUNDERSTORMS WILL OCCASIONALLY PRODUCE TORNADOES. THE MAIN THREAT FROM THIS STORM WILL BE LARGE HAIL. PUMA/BROWNING
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 25, 11:15 AM CDT, 5 hours 18 minutes before
WIZ046-047-051-052-056>060-062>072-252100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1115 AM CDT THU JUN 25 1998 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT... ...FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN... THREAT... DAMAGING WINDS TO 60 MPH. DISCUSSION... AN APPROACHING UPPER LEVEL TROUGH OF LOW PRESSURE MAY COMBINE WITH A WEAK WARM FRONT OVER CENTRAL WISCONSIN TO INITIATE THUNDERSTORMS THAT COULD REACH INTO THE SOUTH LATER THIS AFTERNOON AND EARLY THIS EVENING SPOTTER ACTIVATION... STORM SPOTTER GROUPS MAY BE NEEDED AFTER 2PM THIS AFTERNOON. DAVIS
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 6:33 PM CDT | Severe Thunderstorm Warning | MKX | Iowa | 57 min |
| Jun 25, 6:38 PM CDT | Severe Thunderstorm Warning | MKX | Green | 62 min |
| Jun 25, 6:40 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 65 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1998Every severe thunderstorm warning in 1998
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.