Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 109, NWS Twin Cities, MN

June 7, 2002Hennepin County, Scott County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2002, 3:51 PM CDT for Hennepin County, Scott County, Minnesota. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 7, 2002, 3:51 PM CDT (20:51 UTC)
Expired
Jun 7, 2002, 4:30 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Hennepin County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 13 km from the middle of the area, began a volume at 20:52 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.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 8.9 hours before the alert went out and 386 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, Aberdeen, SD at 12:00Z on 2002-06-07Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2002-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -129 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
2358 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-129 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 072051
SVRMSP
MNC053-139-072130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
350 PM CDT FRI JUN 7 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 430 PM CDT

* AT 350 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL 13 MILES WEST OF SHAKOPEE...OR ABOUT 23 MILES WEST OF
  BURNSVILLE...MOVING EAST AT 40 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  EDEN PRAIRIE.
  PRIOR LAKE.
  SAVAGE.
  SHAKOPEE.

THIS IS A DANGEROUS STORM WITH LARGE HAIL...STAY INDOORS AWAY FROM
WINDOWS.

LAT...LON 4467 9370 4463 9333 4487 9331 4487 9351

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:15 PM CDTSevere Thunderstorm WarningMPXWright45 min
Jun 6, 7:23 PM CDTSevere Thunderstorm WarningMPXStearns37 min
Jun 6, 7:47 PM CDTSevere Thunderstorm WarningMPXKandiyohi43 min
Jun 6, 7:55 PM CDTSevere Thunderstorm WarningMPXMeeker50 min
Jun 6, 8:05 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Wright40 min
Jun 6, 8:49 PM CDTSevere Thunderstorm WarningMPXMeeker41 min
Jun 6, 8:50 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod40 min
Jun 6, 9:06 PM CDTSevere Thunderstorm WarningMPXStearns39 min
Jun 6, 9:29 PM CDTSevere Thunderstorm WarningMPXCarver46 min
Jun 6, 9:44 PM CDTSevere Thunderstorm WarningMPXMeeker46 min
Jun 6, 9:51 PM CDTSevere Thunderstorm WarningMPXChippewa39 min
Jun 6, 10:13 PM CDTSevere Thunderstorm WarningMPXWright47 min
Jun 7, 3:29 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Sibley46 min
Jun 7, 4:31 PM CDTSevere Thunderstorm WarningMPXAnoka, Sherburne, Wright44 min
Jun 7, 6:34 PM CDTSevere Thunderstorm WarningMPXMartin41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.