Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 31, NWS Twin Cities, MN

July 10, 2008Goodhue County, Minnesota; Pierce County, Wisconsin

NWS Twin Cities, MN issued this tornado warning at Jul 10, 2008, 1:35 PM CDT for Goodhue County, Minnesota; Pierce County, Wisconsin. It was in force for 25 min. 7 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
Jul 10, 2008, 1:35 PM CDT (18:35 UTC)
Expired
Jul 10, 2008, 2:00 PM CDT
In force
25 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Goodhue County, MN, Pierce County, WI

What was reported inside it

TimeReportWhereRemark
Jul 10, 1:35 PM CDTTSTM WND DMG6 Sw Welch, MNTREES BLOCKING ROAD AT HIGHWY 19 AND 135TH ST. TIME ESTIMATED BY RADAR.
Jul 10, 1:40 PM CDTTSTM WND DMG5 N Goodhue, MNBARN AND TWO TURKEY BARNS DETROYED NEAR INTERSECTION OF COUNTY ROAD 1 AND 6. TIME ESTIMATED FROM RADAR.
Jul 10, 1:40 PM CDTTORNADO 06 Sse Welch, MNEF0 TORNADO DETERMINED TO HAVE OCCURRED BY AN NWS SURVEY TEAM. THE 1 MILE LONG PATH BEGAN 3 MILES EAST OF THE COMMUNITY OF VASA AND ENDED 4 MILES EAST OF VASA. SCATTERED TREES WERE DOWNED...AS WELL AS MINOR HOUSE AND SHED DAMAGE. THE TORNADO DAMAGE WAS ACCOMPA
Jul 10, 1:45 PM CDTTSTM WND DMG7 Sw Red Wing, MNLOCATIONS ALL A FEW MILES SOUTH AND WEST OF HAY CREEK. INTERSECTION OF HWY 58 AND CO RD 4 TREES DOWN. CO RD 1 AND CO RD 53 POWER LINES DOWN. TREES DOWN AT CO RD 6 AND CO RD 1. TIME ESTIMATED BY RADAR.
Jul 10, 1:45 PM CDTHAIL 0.885 Se Red Wing, MNNICKEL SIZED HAIL COVERED THE GROUND AT RED WING HIGH SCHOOL.
Jul 10, 1:47 PM CDTHAIL 0.75Red Wing, MN
Jul 10, 1:51 PM CDTHAIL 0.75Red Wing, MN

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
Jul 10, 12:06 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 6.6 hours before the alert went out and 90 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 2008-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1956 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
100 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 
WFUS53 KMPX 101835
TORMPX
MNC049-WIC093-101900-
/O.NEW.KMPX.TO.W.0031.080710T1835Z-080710T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
135 PM CDT THU JUL 10 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  SOUTH CENTRAL PIERCE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 200 PM CDT

* AT 132 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 4 MILES NORTHWEST
  OF WELCH...OR ABOUT 2 MILES EAST OF MIESVILLE...AND MOVING EAST AT
  44 MPH.

* SOME LOCATIONS INCLUDE...
  WELCH...
  DIAMOND BLUFF...
  RED WING...
  HAGER CITY...
  BAY CITY...
  FRONTENAC...

WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

LAT...LON 4446 9240 4437 9243 4453 9289 4455 9280
      4463 9280 4464 9273 4469 9272 4460 9234
      4454 9233 4446 9227
TIME...MOT...LOC 1835Z 290DEG 38KT 4459 9272

$$

TRH
1 follow-up statement
000 
WWUS53 KMPX 101853
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
153 PM CDT THU JUL 10 2008

MNC049-WIC093-101900-
/O.CON.KMPX.TO.W.0031.000000T0000Z-080710T1900Z/
GOODHUE MN-PIERCE WI-
153 PM CDT THU JUL 10 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR SOUTH
CENTRAL PIERCE AND NORTHEASTERN GOODHUE COUNTIES...

AT 149 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO.  THE MOST DANGEROUS PART OF THE STORM
WAS LOCATED 5 MILES SOUTH OF BAY CITY...AND MOVING SOUTHEAST AT 48
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE HAGER CITY...FRONTENAC...RED
WING AND BAY CITY.

WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

LAT...LON 4446 9240 4437 9243 4447 9272 4465 9251
      4463 9248 4463 9245 4460 9234 4454 9233
      4446 9227
TIME...MOT...LOC 1853Z 296DEG 42KT 4449 9242

$$

TRH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 8:21 AM CDTSevere Thunderstorm WarningMPXStevens54 min
Jul 10, 9:25 AM CDTSevere Thunderstorm WarningMPXDouglas48 min
Jul 10, 11:55 AM CDTSevere Thunderstorm WarningMPXCarver, Meeker, Wright50 min
Jul 10, 12:04 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod56 min
Jul 10, 12:11 PM CDTAreal Flood AdvisoryMPXDakota, Hennepin2 hr
Jul 10, 12:17 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Scott43 min
Jul 10, 12:46 PM CDTSevere Thunderstorm WarningMPXDakota, Washington44 min
Jul 10, 12:56 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Ramsey, Scott, Washington49 min
Jul 10, 1:03 PM CDTSevere Thunderstorm WarningMPXDakota, Rice57 min
Jul 10, 1:15 PM CDTTornado WarningMPXDakota30 min
Jul 10, 1:24 PM CDTSevere Thunderstorm WarningMPXGoodhue41 min
Jul 10, 1:27 PM CDTSevere Thunderstorm WarningMPXScott33 min
Jul 10, 2:00 PM CDTSevere Thunderstorm WarningMPXGoodhue15 min
Jul 10, 1:31 PM CDTSevere Thunderstorm WarningMPXDunn, Pierce, Saint Croix44 min
Jul 10, 2:15 PM CDTSevere Thunderstorm WarningMPXDunn, Pepin34 min
Jul 10, 2:24 PM CDTSevere Thunderstorm WarningMPXEau Claire51 min
Jul 10, 6:29 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn, Polk, Saint Croix61 min

Nearby

Tornado Warnings in Minnesota, 2008Tornado Warnings in Wisconsin, 2008Every tornado warning in 2008Tornadoes 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.