Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 7, NWS Twin Cities, MN

March 25, 2007Dunn County, Pepin County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Mar 25, 2007, 5:24 PM CDT for Dunn County, Pepin County, Wisconsin. It was in force for 51 min. 2 reports 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
Mar 25, 2007, 5:24 PM CDT (22:24 UTC)
Expired
Mar 25, 2007, 6:15 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Dunn County, WI, Pepin County, WI

The radar

The La Crosse radar (KARX), 125 km from the middle of the area, began a volume at 22:27 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

TimeReportWhereRemark
Mar 25, 5:45 PM CDTTSTM WND DMG4 Sw Colfax, WITREE DOWN ACROSS ROAD.
Mar 25, 5:55 PM CDTTSTM WND DMG2 Sw Sand Creek, WITREE DOWN ACROSS ROAD.

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.

IssuedProductOfficeLasted
Mar 25, 2:54 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.4 hours before the alert went out and 130 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2007-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2007-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
33 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KMPX 252225
SVRMPX
WIC033-091-252315-
/O.NEW.KMPX.SV.W.0007.070325T2224Z-070325T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
524 PM CDT SUN MAR 25 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DUNN COUNTY IN WEST CENTRAL WISCONSIN...
  PEPIN COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 615 PM CDT

* AT 523 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 65
  MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES
  NORTHWEST OF MENOMONIE TO 8 MILES NORTHWEST OF DURAND TO 11 MILES
  WEST OF DURAND...AND MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MENOMONIE...
  DURAND...
  EAU GAULLE...
  MENOMONIE...
  KNAPP...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4512 9213 4467 9213 4449 9215 4449 9208
      4460 9202 4461 9167 4488 9164 4521 9168

$$
RJN/MDB
3 follow-up statements
000 
WWUS53 KMPX 252240
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
538 PM CDT SUN MAR 25 2007

WIC033-091-252315-
/O.CON.KMPX.SV.W.0007.000000T0000Z-070325T2315Z/
DUNN WI-PEPIN WI-
538 PM CDT SUN MAR 25 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR PEPIN AND DUNN COUNTIES...

AT 536 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE 
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL ANDDAMAGING WINDS IN 
EXCESS OF 65 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM BOYCEVILLE TO 6 MILES NORTHEAST OF EAU GALLE TO EAU 
GALLE...AND MOVING NORTHEAST AT 55 MPH.

THE BEST CHANCE FOR LARGE HAIL WILL BE ACROSS SOUTHERN DUNN COUNTY.

OTHER LOCATIONS IN THE WARNING INCLUDE SAND CREEK...ROCK 
FALLS...PORCUPINE...EAU 
GALLE...CARYVILLE...ARKANSAW...WHEELER...TAINT  ER 
LAKE...MENOMONIE...KNAPP...ELK MOUND...DURAND...COLFAX AND 
BOYCEVILLE.

LAT...LON 4512 9213 4467 9213 4449 9215 4449 9208
      4460 9202 4461 9167 4488 9164 4521 9168

$$

MDB
000 
WWUS53 KMPX 252259
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
559 PM CDT SUN MAR 25 2007

WIC033-091-252315-
/O.CON.KMPX.SV.W.0007.000000T0000Z-070325T2315Z/
DUNN WI-PEPIN WI-
559 PM CDT SUN MAR 25 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR PEPIN AND DUNN COUNTIES...

AT 557 PM CDT...A LINE OF STORMS WAS LOCATED FROM 5 MILES WEST OF 
SAND CREEK TO ELK MOUND TO DURAND...AND MOVING NORTHEAST AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE SAND CREEK...ROCK 
FALLS...PORCUPINE...EAU GAULLE...CARYVILLE...ELK MOUND...DURAND AND 
COLFAX.

LAT...LON 4512 9187 4473 9194 4466 9206 4462 9212
      4449 9215 4449 9208 4460 9202 4461 9167
      4488 9164 4521 9168

$$

MDB
000 
WWUS53 KMPX 252315
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
615 PM CDT SUN MAR 25 2007

WIC033-091-252325-
/O.EXP.KMPX.SV.W.0007.000000T0000Z-070325T2315Z/
DUNN WI-PEPIN WI-
615 PM CDT SUN MAR 25 2007

...THE SEVERE THUNDERSTORM WARNING FOR PEPIN AND DUNN COUNTIES
EXPIRES AT 615 PM CDT...

SMALL HAIL REMAINS POSSIBLE...UNTIL 630 PM...FOR EASTERN PEPIN...AND 
SOUTHEASTERN DUNN COUNTIES.

LAT...LON 4512 9187 4473 9194 4466 9206 4462 9212
      4449 9215 4449 9208 4460 9202 4461 9167
      4488 9164 4521 9168

$$
RJN/MDB

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 25, 4:25 PM CDTTornado WarningMPXPierce50 min
Mar 25, 5:51 PM CDTSevere Thunderstorm WarningMPXChippewa, Eau Claire54 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.