Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 143, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 18, 2001, 6:15 AM CDT for Dunn County, Saint Croix County, Wisconsin. It was in force for 45 min. 2 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
- Jun 18, 2001, 6:15 AM CDT (11:15 UTC)
- Expired
- Jun 18, 2001, 7:00 AM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Dunn County, WI, Saint Croix County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 6:45 AM CDT | Hail 0.75 | Hammond, WI | Ground turned white. |
| Jun 18, 6:50 AM CDT | Hail 1 | Baldwin, 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 |
|---|---|---|---|
| Jun 18, 5:15 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 11.3 hours before the alert went out and 113 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 181116 SVRMSP MNC163-WIC033-109-181200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 615 AM CDT MON JUN 18 2001 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN DUNN COUNTY IN WEST CENTRAL WISCONSIN * UNTIL 700 AM CDT * AT 615 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS WITH LARGE HAIL EXTENDING FROM STILLWATER TO 12 MILES SOUTH OF MENOMONIE...MOVING NORTHEAST AT 30 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... STILLWATER. NEW RICHMOND. MENOMONIE. THIS IS A DANGEROUS STORM WITH LARGE HAIL...STAY INDOORS AWAY FROM WINDOWS.
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 17, 7:51 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin | 39 min |
| Jun 18, 6:06 AM CDT | Severe Thunderstorm Warning | MPX | Polk | 54 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.