Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 56, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 2, 1997, 12:08 AM CDT for Lafayette 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
- Jul 2, 1997, 12:08 AM CDT (05:08 UTC)
- Expired
- Jul 2, 1997, 1:10 AM CDT
- In force
- 62 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Lafayette County, WI
The radar
The Quad Cities radar (KDVN), 122 km from the middle of the area, began a volume at 05:08 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 |
|---|---|---|---|
| Jul 2, 1:00 AM CDT | Hail 2 | Belmont, 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 |
|---|---|---|---|
| Jul 1, 10:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 5.1 hours before the alert went out and 120 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
- 1089 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 1458 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 020510 RRA SVRMKE WIC065-020610- BULLETIN - IMMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 1208 AM CDT WED JUL 2 1997 * SEVERE THUNDERSTORM WARNING FOR LAFAYETTE COUNTY - SOUTH CENTRAL WISCONSIN * UNTIL 110 AM CDT * SOME LOCATIONS AFFECTED BENTON BY 1213 AM CDT LEADMINE BY 1217 AM CDT NEW DIGGING BY 1219 AM CDT SHULLSBURG BY 1233 AM CDT DUNBARTON BY 1246 AM CDT * AT 1207 AM CDT...DOPPLER RADAR AT SULLIVAN INDICATED A SEVERE THUNDERSTORM 15 MILES NORTHEAST OF DUBUQUE IA OR 3 MILES SOUTHWEST OF BENTON MOVING EAST AT 25 MPH. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER...THUNDERSTORMS 2CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. COLLAR/DAVIS
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 11:58 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 62 min |
| Jul 2, 12:57 AM CDT | Tornado Warning | MKX | Iowa, Lafayette | 63 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 1997Every severe thunderstorm warning in 1997
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.