Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 158, NWS Twin Cities, MN

June 25, 2002Le Sueur County, Rice County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 25, 2002, 11:44 PM CDT for Le Sueur County, Rice County, Minnesota. It was in force for 36 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 25, 2002, 11:44 PM CDT (04:44 UTC)
Expired
Jun 26, 2002, 12:20 AM CDT
In force
36 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Le Sueur County, MN, Rice County, MN

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 25, 6:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.7 hours before the alert went out and 48 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 2002-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4448 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 2002-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.193958Sfc1 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
4448 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1086 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
2.4
Supercell composite
16.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 260444
SVRMSP
MNC079-131-260520-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1140 PM CDT TUE JUN 25 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA
  RICE COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1220 AM CDT

* AT 1140 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED DIME     
  SIZE HAIL AT ST THOMAS...IN NORTHERN LE SUEUR COUNTY...ABOUT 10    
  MILES NORTH OF LE CENTER.  WEATHER RADAR INDICATES A SEVERE        
  THUNDERSTORMS NEAR MONTGOMERY MOVING SOUTHEAST AT 30 MPH. 

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  DUNDAS.
  FARIBAULT.
  HEIDELBERG.
  LONSDALE.
  MONTGOMERY.

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

LAT...LON 4453 9368 4442 9381 4422 9317 4442 9309

&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:20 PM CDTTornado WarningMPXAnoka, Isanti25 min
Jun 25, 7:27 PM CDTTornado WarningMPXChisago33 min
Jun 25, 7:34 PM CDTTornado WarningMPXLac qui Parle26 min
Jun 25, 7:49 PM CDTSevere Thunderstorm WarningMPXKanabec, Washington41 min
Jun 25, 7:59 PM CDTTornado WarningMPXLac qui Parle, Yellow Medicine31 min
Jun 25, 8:05 PM CDTSevere Thunderstorm WarningMPXAnoka, Isanti40 min
Jun 25, 8:32 PM CDTSevere Thunderstorm WarningMPXRedwood, Yellow Medicine43 min
Jun 26, 12:43 AM CDTSevere Thunderstorm WarningMPXWaseca47 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.