Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 148, NWS Twin Cities, MN

July 7, 20085 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2008, 8:34 PM CDT for 5 counties in Minnesota. 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
Jul 7, 2008, 8:34 PM CDT (01:34 UTC)
Expired
Jul 7, 2008, 9:15 PM CDT
In force
41 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Carver County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN

What was reported inside it

TimeReportWhereRemark
Jul 7, 8:45 PM CDTTSTM WND DMGChaska, MNSMALL TREE DOWNED ON HIGHWAY 212 NEAR 146.

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 00:00Z, 1.6 hours before the alert went out and 12 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 00:00Z on 2008-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 822 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2008-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
822 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1035 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 080134
SVRMPX
MNC019-037-053-123-139-080215-
/O.NEW.KMPX.SV.W.0148.080708T0134Z-080708T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
834 PM CDT MON JUL 7 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  EXTREME SOUTHWESTERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN CARVER COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHWESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHEASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 915 PM CDT

* AT 831 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING PENNY SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  THE LAKE MINNETONKA AREA TO 3 MILES SOUTH OF COLOGNE...AND MOVING
  EAST AT 30 MPH.

* SOME LOCATIONS INCLUDE...
  MINNETONKA...
  THE LAKE MINNETONKA AREA...
  CHANHASSEN...
  CHASKA...
  HOPKINS...
  ST LOUIS PARK...
  CARVER...
  EDEN PRAIRIE...
  EDINA...
  JORDAN...
  SHAKOPEE...
  RICHFIELD...

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.

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.

LAT...LON 4489 9312 4457 9348 4477 9399 4501 9356
TIME...MOT...LOC 0134Z 284DEG 26KT 4496 9344 4472 9376

$$
2 follow-up statements
000 
WWUS53 KMPX 080153
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
852 PM CDT MON JUL 7 2008

MNC019-037-053-123-139-080215-
/O.CON.KMPX.SV.W.0148.000000T0000Z-080708T0215Z/
HENNEPIN MN-RAMSEY MN-CARVER MN-DAKOTA MN-SCOTT MN-
852 PM CDT MON JUL 7 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR NORTHEASTERN SCOTT...NORTHWESTERN DAKOTA...SOUTHEASTERN CARVER...
EXTREME SOUTHWESTERN RAMSEY AND SOUTHEASTERN HENNEPIN COUNTIES...

AT 850 PM CDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING PENNY SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE SEVERE STORMS WERE LOCATED ALONG A
LINE EXTENDING FROM RICHFIELD TO JORDAN...AND MOVING EAST AT 33 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MENDOTA...MARYSTOWN...CREDIT
RIVER...SHAKOPEE...SAVAGE...RICHFIELD...PRIOR LAKE...MENDOTA
HEIGHTS...JORDAN AND EDINA.

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. IF YOU ARE ON THE WATER
HEAD TO SHORE IMMEDIATELY.

LAT...LON 4461 9359 4462 9359 4462 9361 4464 9363
      4467 9373 4494 9331 4489 9313 4457 9348
TIME...MOT...LOC 0152Z 287DEG 28KT 4489 9322 4467 9357

$$
000 
WWUS53 KMPX 080215
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
914 PM CDT MON JUL 7 2008

MNC019-037-053-123-139-080224-
/O.EXP.KMPX.SV.W.0148.000000T0000Z-080708T0215Z/
HENNEPIN MN-RAMSEY MN-CARVER MN-DAKOTA MN-SCOTT MN-
914 PM CDT MON JUL 7 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SCOTT...
NORTHWESTERN DAKOTA...SOUTHEASTERN CARVER...EXTREME SOUTHWESTERN
RAMSEY AND SOUTHEASTERN HENNEPIN COUNTIES EXPIRES AT 915 PM CDT...

AT 845 PM COUNTY OFFICIAL IN CARVER COUNTY REPORTED A TREE DOWN
NEAR HIGHWAYS 212 AND 147 BETWEEN THE CITIES OF CARVER AND CHASKA.

LAT...LON 4461 9359 4462 9359 4462 9361 4464 9363
      4467 9373 4494 9331 4489 9313 4457 9348
TIME...MOT...LOC 0214Z 287DEG 28KT 4484 9299 4462 9334

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 9:59 PM CDTSevere Thunderstorm WarningMPXGoodhue46 min
Jul 7, 10:28 PM CDTSevere Thunderstorm WarningMPXGoodhue32 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 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.