Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 99, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 3, 1998, 3:31 PM CDT for Iowa County, Wisconsin. It was in force for 59 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
- Jul 3, 1998, 3:31 PM CDT (20:31 UTC)
- Expired
- Jul 3, 1998, 4:30 PM CDT
- In force
- 59 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Iowa County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 3, 3:48 PM CDT | Thunderstorm Wind | Mifflan, 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, 8.5 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
- 497 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1035 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 032031 RRA SVRMKE WIC049-032135- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 331 PM CDT FRI JUL 3 1998 THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN WI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN IOWA COUNTY IN SOUTH CENTRAL WISCONSIN * UNTIL 430 PM CDT * AT 328 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ALONG HIGHWAY 18 JUST WEST OF COBB...42 MILES WEST OF MADISON... MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... COBB AT 335 PM CDT EDMUND AT 340 PM CDT LINDEN AT 340 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. TH/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, Jul 3, 11:08 AM CDT, 4 hours 23 minutes before
WIZ046-047-051-052-056>060-062>072-032330- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1107AM CDT FRI JUL 3 1998 ...NO RISK OF SEVERE THUNDERSTORMS TODAY OR TONIGHT... ...FOR SOUTH CENTRAL AND SOUTHEAST WISCONSIN... DISCUSSION... THE AIRMASS OVER SOUTHERN WISCONSIN WILL REMAIN UNSTABLE TODAY AND THIS EVENING FOR THUNDERSTORM DEVELOPMENT. HOWEVER...SEVERE THUNDERSTORMS ARE NOT EXPECTED. SPOTTER ACTION... STORM SPOTTER GROUPS WILL NOT BE NEEDED FOR ACTIVATION TODAY OR TONIGHT ACROSS SOUTH CENTRAL AND SOUTHEAST WISCONSIN. TZ
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 4:52 PM CDT | Tornado Warning | MKX | Green | 33 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.