Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 208, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 23, 1997, 4:56 PM CDT for Barron County, Dunn County, Wisconsin. It was in force for 49 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
- Aug 23, 1997, 4:56 PM CDT (21:56 UTC)
- Expired
- Aug 23, 1997, 5:45 PM CDT
- In force
- 49 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Barron County, WI, Dunn County, WI
The radar
The Minneapolis radar (KMPX), 138 km from the middle of the area, began a volume at 21:56 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 |
|---|---|---|---|
| Aug 23, 5:15 PM CDT | Hail 1.75 | Ridgeland, WI | |
| Aug 23, 5:15 PM CDT | Hail 1.75 | Prairie Farm, WI | |
| Aug 23, 5:20 PM CDT | Hail 1 | Hillsdale, WI | |
| Aug 23, 5:55 PM CDT | Hail 1.75 | Meridean, WI | Severe hail damage to thousands of acres of crops around Spring Brook township. Car damage also reported. |
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
Minneapolis, MN (KMPX), launched 12:00Z, 9.9 hours before the alert went out and 141 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 320 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMSP 232158 RRA
SVRMSP
WIC005-033-232240-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
456 PM CDT SAT AUG 23 1997
* SEVERE THUNDERSTORM WARNING FOR
SOUTHERN BARRON COUNTY - NORTHWESTERN WISCONSIN
NORTHERN DUNN COUNTY - WEST CENTRAL WISCONSIN
* UNTIL 545 PM CDT
* SOME LOCATIONS AFFECTED
CHETEK
HILLSDALE
PRAIRIE FARM
RIDGELAND
* AT 455 PM CDT DOPPLER RADAR INDICATED A SEVERE STORM NEAR BARRON
OR ABOUT 10 MILES SOUTHWEST OF RICE LAKE. THE STORM WAS MOVING
SOUTHEAST AT 35 MPH. DIME SIZE HAIL WAS REPORTED AT 453 PM 3
MILES NORTH OF ALMENA.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.
MBK
&The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 63 min |
| Aug 23, 6:09 PM CDT | Severe Thunderstorm Warning | MPX | Pepin | 46 min |
| Aug 23, 6:13 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 42 min |
| Aug 23, 6:31 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 44 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.