Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 99, NWS Twin Cities, MN

June 12, 2001Martin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 12, 2001, 9:51 PM CDT for Martin County, Minnesota. It was in force for 54 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 12, 2001, 9:51 PM CDT (02:51 UTC)
Expired: Jun 12, 2001, 10:45 PM CDT
In force: 54 min
Issued by: NWS Twin Cities, MN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Martin County, MN

What was reported inside it

Time	Report	Where	Remark
Jun 12, 10:15 PM CDT	Hail 0.75	Ceylon, 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, 2.9 hours before the alert went out and 171 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1421 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 804 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

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

204 
WUUS53 KMPX 130252
SVRMSP
MNC091-130345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
951 PM CDT TUE JUN 12 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1045 PM CDT

* AT 951 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL 8 MILES SOUTHWEST OF DUNNELL...OR ABOUT 25 MILES SOUTHWEST OF
  FAIRMONT...MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  FAIRMONT.
  WILBERT.
  GRANADA.
  DUNNELL.
  CEYLON.

LAT...LON 4353 9503 4337 9493 4353 9425 4376 9437

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 11:07 PM CDT	Severe Thunderstorm Warning	MPX	Faribault	53 min
Jun 13, 12:00 AM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	60 min
Jun 13, 12:17 AM CDT	Severe Thunderstorm Warning	MPX	Freeborn	58 min
Jun 13, 3:19 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	41 min
Jun 13, 5:12 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	48 min
Jun 13, 5:55 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	35 min
Jun 13, 6:19 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	26 min
Jun 13, 6:26 PM CDT	Tornado Warning	MPX	Douglas	34 min
Jun 13, 6:36 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	54 min
Jun 13, 6:57 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Stearns	63 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001 Every severe thunderstorm warning in 2001

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.