Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 139, NWS Twin Cities, MN

June 24, 2002Chippewa County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 24, 2002, 11:23 PM CDT for Chippewa County, Minnesota. It was in force for 52 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
Jun 24, 2002, 11:23 PM CDT (04:23 UTC)
Expired
Jun 25, 2002, 12:15 AM CDT
In force
52 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Chippewa County, MN

What was reported inside it

TimeReportWhereRemark
Jun 24, 11:27 PM CDTHail 0.75Watson, MN

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.4 hours before the alert went out and 169 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 2002-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2853 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2002-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939Sfc1 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
2853 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1414 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.8
Supercell composite
9.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 250423
SVRMSP
MNC023-250515-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1122 PM CDT MON JUN 24 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 1215 AM CDT

* AT 1122 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL OVER WATSON...OR ABOUT 6 MILES NORTHWEST OF MONTEVIDEO...
  MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  WATSON AND MONTEVIDEO.

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. 
LAT...LON 4507 9590 4494 9571 4502 9548 4513 9565

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:17 PM CDTSevere Thunderstorm WarningMPXWright58 min
Jun 24, 7:42 PM CDTSevere Thunderstorm WarningMPXWright33 min
Jun 24, 7:51 PM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker39 min
Jun 24, 8:30 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright60 min
Jun 24, 8:57 PM CDTFlash Flood WarningMPXCarver, Hennepin, McLeod, Wright3 hr
Jun 24, 10:26 PM CDTSevere Thunderstorm WarningMPXLac qui Parle49 min
Jun 24, 10:33 PM CDTSevere Thunderstorm WarningMPXWright42 min
Jun 24, 10:55 PM CDTTornado WarningMPXCarver, Wright35 min
Jun 24, 11:11 PM CDTFlash Flood WarningMPXMeeker5 hr
Jun 24, 11:48 PM CDTFlash Flood WarningMPXHennepin, Meeker, Wright4 hr
Jun 25, 12:46 AM CDTSevere Thunderstorm WarningMPXMeeker44 min
Jun 25, 1:37 AM CDTFlash Flood WarningMPXCarver, McLeod2 hr
Jun 25, 5:03 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine57 min
Jun 25, 5:50 PM CDTSevere Thunderstorm WarningMPXKanabec40 min
Jun 25, 6:17 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs43 min
Jun 25, 6:28 PM CDTSevere Thunderstorm WarningMPXKanabec47 min
Jun 25, 6:40 PM CDTSevere Thunderstorm WarningMPXIsanti50 min
Jun 25, 6:41 PM CDTSevere Thunderstorm WarningMPXLac qui Parle64 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2002Every severe thunderstorm warning in 2002

Sources

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