Alert archive / Minnesota / Tornado Warnings in 2000

Tornado Warning 29, NWS Twin Cities, MN

August 7, 2000Martin County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 7, 2000, 9:34 PM CDT for Martin County, Minnesota. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 7, 2000, 9:34 PM CDT (02:34 UTC)
Expired
Aug 7, 2000, 10:15 PM CDT
In force
41 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Martin County, MN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 7, 6:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.6 hours before the alert went out and 151 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 2000-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1134 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 2000-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
1134 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1449 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.3
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 080235
TORMSP

MNC091-080315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
934 PM CDT MON AUG 7 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1015 PM CDT

* AT 934 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  POSSIBLE TORNADO 10 MILES WEST OF TRIMONT...OR ABOUT 20 MILES
  SOUTHWEST OF ST JAMES...MOVING EAST AT 15 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  TRIMONT
  RURAL AREAS OF NORTHWEST MARTIN COUNTY

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 8:34 PM CDTSevere Thunderstorm WarningMPXBrown41 min
Aug 7, 8:56 PM CDTSevere Thunderstorm WarningMPXRedwood49 min
Aug 7, 9:11 PM CDTSevere Thunderstorm WarningMPXBrown, Martin, Watonwan64 min
Aug 7, 9:14 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Nicollet61 min
Aug 7, 9:38 PM CDTSevere Thunderstorm WarningMPXRenville, Sibley52 min
Aug 7, 9:58 PM CDTSevere Thunderstorm WarningMPXMcLeod62 min
Aug 7, 10:14 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet46 min
Aug 7, 10:21 PM CDTSevere Thunderstorm WarningMPXCarver, Scott54 min
Aug 7, 10:21 PM CDTSevere Thunderstorm WarningMPXWright54 min
Aug 7, 10:41 PM CDTSevere Thunderstorm WarningMPXHennepin64 min
Aug 7, 10:58 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice62 min
Aug 8, 5:47 PM CDTSevere Thunderstorm WarningMPXKanabec28 min

Nearby

Tornado Warnings in Minnesota, 2000Every tornado warning in 2000Tornadoes in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.