Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 348, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 13, 2007, 12:21 PM CDT for Pierce County, Wisconsin. It was in force for 24 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
- Sep 13, 2007, 12:21 PM CDT (17:21 UTC)
- Expired
- Sep 13, 2007, 12:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Pierce County, WI
The radar
The Minneapolis radar (KMPX), 105 km from the middle of the area, began a volume at 17:25 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 |
|---|---|---|---|
| Sep 13, 12:23 PM CDT | HAIL 1.25 | 5 N Maiden Rock, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 5.4 hours before the alert went out and 108 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
- 1290 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 418 m²/s²
- 0-3 km storm-relative helicity
- 456 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 131721 SVRMPX WIC093-131745- /O.NEW.KMPX.SV.W.0348.070913T1721Z-070913T1745Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1221 PM CDT THU SEP 13 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 1245 PM CDT * AT 1215 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING NICKEL SIZE HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES WEST OF ELMWOOD TO BAY CITY...AND MOVING EAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... ELMWOOD... PLUM CITY... STAY INDOORS...AND AWAY FROM WINDOWS. LAT...LON 4484 9215 4455 9215 4457 9246 4485 9233 TIME...MOT...LOC 1721Z 270DEG 50KT 4478 9220 4458 9230 $$ JPR
1 follow-up statement
000 WWUS53 KMPX 131740 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1236 PM CDT THU SEP 13 2007 WIC093-131746- /O.EXP.KMPX.SV.W.0348.000000T0000Z-070913T1745Z/ PIERCE WI- 1236 PM CDT THU SEP 13 2007 ...THE SEVERE THUNDERSTORM WARNING FOR PIERCE COUNTY EXPIRES AT 1245 PM CDT... AT 1223 PM CDT...HALF DOLLAR SIZE HAIL WAS REPORTED 5 MILES NORTH OF MAIDEN ROCK. THE SEVERE STORMS HAVE WEAKENED AND MOVED OUT OF THE COUNTY...BUT A WEAKER THUNDERSTORM WAS JUST WEST OF ELMWOOD. LAT...LON 4484 9215 4455 9215 4457 9246 4485 9233 TIME...MOT...LOC 1736Z 270DEG 50KT 4477 9191 4457 9201 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 12:55 PM CDT | Severe Thunderstorm Warning | MPX | Pepin | 35 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2007Every severe thunderstorm warning in 2007
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.