Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 233, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 25, 2008, 4:45 PM CDT for Pepin County, Pierce County, Wisconsin. It was in force for 45 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
- Jul 25, 2008, 4:45 PM CDT (21:45 UTC)
- Expired
- Jul 25, 2008, 5:30 PM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Pepin County, WI, Pierce County, WI
The radar
The La Crosse radar (KARX), 110 km from the middle of the area, began a volume at 21:47 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 25, 5:10 PM CDT | TSTM WND DMG | 7 Nne Pepin, WI | FEW TREES DOWN NEAR ELLA AND LITTLE PLUM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 25, 1:19 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.8 hours before the alert went out and 123 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
- 1404 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 503 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 252145
SVRMPX
WIC091-093-252230-
/O.NEW.KMPX.SV.W.0233.080725T2145Z-080725T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
445 PM CDT FRI JUL 25 2008
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...
PEPIN COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 530 PM CDT
* AT 443 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING PENNY SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 3 MILES SOUTHWEST OF PLUM CITY...OR ABOUT 12
MILES NORTH OF LAKE CITY...AND MOVING SOUTHEAST AT 35 MPH.
* SOME LOCATIONS INCLUDE...
STOCKHOLM...
ARKANSAW...
PORCUPINE...
DURAND...
PEPIN...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
LAT...LON 4459 9201 4445 9205 4441 9211 4442 9220
4451 9232 4453 9231 4462 9245 4476 9215
4467 9212 4468 9201 4460 9177 4458 9179
TIME...MOT...LOC 2145Z 315DEG 29KT 4460 9222
$$
TRH1 follow-up statement
000
WWUS53 KMPX 252203
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
503 PM CDT FRI JUL 25 2008
WIC093-252213-
/O.CAN.KMPX.SV.W.0233.000000T0000Z-080725T2230Z/
PIERCE WI-
503 PM CDT FRI JUL 25 2008
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PIERCE COUNTY IS
CANCELLED...
RADAR INDICATED THAT THE SEVERE STORM HAD MOVED OUT OF THE WARNED
AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY
EVENING FOR SOUTHEAST MINNESOTA AND NORTHWESTERN WISCONSIN.
LAT...LON 4458 9179 4459 9201 4444 9206 4454 9227
4455 9214 4467 9213 4468 9212 4460 9177
TIME...MOT...LOC 2203Z 315DEG 29KT 4451 9209
$$
WIC091-252230-
/O.CON.KMPX.SV.W.0233.000000T0000Z-080725T2230Z/
PEPIN WI-
503 PM CDT FRI JUL 25 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR PEPIN COUNTY...
AT 500 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING PENNY SIZE HAIL AND DAMAGING WINDS IN EXCESS OF
60 MPH. THE SEVERE STORM WAS LOCATED 4 MILES SOUTHWEST OF
PORCUPINE...OR ABOUT 3 MILES WEST OF ELLA...AND MOVING SOUTHEAST AT
30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE PORCUPINE...ARKANSAW AND
DURAND.
PREPARE IMMEDIATELY FOR DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
REPORT ANY DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY
TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4458 9179 4459 9201 4444 9206 4454 9227
4455 9214 4467 9213 4468 9212 4460 9177
TIME...MOT...LOC 2203Z 315DEG 29KT 4451 9209
$$
TRHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 2:16 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 41 min |
| Jul 25, 3:31 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn | 59 min |
| Jul 25, 3:36 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 54 min |
| Jul 25, 3:51 PM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 54 min |
| Jul 25, 4:22 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 38 min |
| Jul 25, 5:35 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 25 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2008Every severe thunderstorm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.