Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 135, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 17, 2001, 7:51 PM CDT for Dunn County, Pepin County, Wisconsin. It was in force for 39 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jun 17, 2001, 7:51 PM CDT (00:51 UTC)
- Expired
- Jun 17, 2001, 8:30 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Dunn County, WI, Pepin County, WI
The radar
The La Crosse radar (KARX), 109 km from the middle of the area, began a volume at 00:53 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 |
|---|---|---|---|
| Jun 17, 8:36 PM CDT | Thunderstorm Wind 54 E | Mondovi, 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
Minneapolis, MN (KMPX), launched 00:00Z, 0.9 hours before the alert went out and 134 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
- 38 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 1536 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 180052 SVRMSP WIC033-091-180130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 751 PM CDT SUN JUN 17 2001 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PEPIN COUNTY IN WEST CENTRAL WISCONSIN SOUTHERN DUNN COUNTY IN WEST CENTRAL WISCONSIN * UNTIL 830 PM CDT * AT 751 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 8 MILES WEST OF DURAND...MOVING EAST AT 25 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... DURAND. ARKANSAW. EAU GALLE. ROCK FALLS. LAT...LON 4472 9208 4450 9213 4451 9166 4478 9168
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:35 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 40 min |
| Jun 18, 6:06 AM CDT | Severe Thunderstorm Warning | MPX | Polk | 54 min |
| Jun 18, 6:15 AM CDT | Severe Thunderstorm Warning | MPX | Dunn, Saint Croix | 45 min |
| Jun 18, 6:29 AM CDT | Severe Thunderstorm Warning | MPX | Barron | 46 min |
| Jun 18, 6:58 AM CDT | Severe Thunderstorm Warning | MPX | Polk | 32 min |
| Jun 18, 7:15 AM CDT | Severe Thunderstorm Warning | MPX | Barron | 30 min |
| Jun 18, 8:55 AM CDT | Severe Thunderstorm Warning | MPX | Dunn | 35 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2001Every severe thunderstorm warning in 2001
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.