Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 156, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 25, 2002, 9:49 PM CDT for Pierce County, Wisconsin. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 25, 2002, 9:49 PM CDT (02:49 UTC)
- Expired
- Jun 25, 2002, 10:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Pierce County, WI
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 9:50 PM CDT | Hail 0.75 | Ellsworth, 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 25, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.8 hours before the alert went out and 96 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
- 4448 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 16.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 260249 SVRMSP WIC093-260330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 949 PM CDT TUE JUN 25 2002 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PIERCE COUNTY IN WEST CENTRAL WISCONSIN * UNTIL 1030 PM CDT * AT 949 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL 3 MILES EAST OF ELLSWORTH...MOVING EAST AT 30 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... ELLSWORTH. PLUM CITY. ROCK ELM. EL PASO. THIS IS A DANGEROUS STORM WITH LARGE HAIL...STAY INDOORS AWAY FROM WINDOWS. LAT...LON 4476 9258 4458 9246 4456 9215 4484 9226
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 8:00 PM CDT | Tornado Warning | MPX | Polk, Saint Croix | 30 min |
| Jun 25, 8:19 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 41 min |
| Jun 25, 8:34 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn, Polk, Saint Croix | 56 min |
| Jun 25, 9:00 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 60 min |
| Jun 25, 9:07 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 38 min |
| Jun 25, 9:08 PM CDT | Severe Thunderstorm Warning | MPX | Rusk | 52 min |
| Jun 25, 9:29 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 46 min |
| Jun 25, 9:37 PM CDT | Flash Flood Warning | MPX | Chippewa | 4 hr |
| Jun 25, 9:53 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire, Pepin | 37 min |
| Jun 25, 10:23 PM CDT | Flash Flood Warning | MPX | Dunn | 3 hr |
| Jun 25, 10:50 PM CDT | Flash Flood Warning | MPX | Eau Claire, Pepin | 3 hr |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2002Every severe thunderstorm warning in 2002
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.