Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 155, NWS Twin Cities, MN

June 18, 2001Benton County, Mille Lacs County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 18, 2001, 6:11 PM CDT for Benton County, Mille Lacs County, Minnesota. It was in force for 49 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: Jun 18, 2001, 6:11 PM CDT (23:11 UTC)
Expired: Jun 18, 2001, 7:00 PM CDT
In force: 49 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Benton County, MN, Mille Lacs County, MN

The radar

The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 23:11 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 18, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.2 hours before the alert went out and 109 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: 476 J/kg
Mixed-layer CIN: -265 J/kg
Mixed-layer LCL: 672 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 258 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -2.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 182312
SVRMSP

MNC009-095-190000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
611 PM CDT MON JUN 18 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BENTON COUNTY IN CENTRAL MINNESOTA
  MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 700 PM CDT

* AT 611 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL OVER GILMAN...OR ABOUT 13 MILES WEST OF MILACA...MOVING EAST
  AT 25 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  RONNEBY.
  PEASE.
  MILACA.
  GILMAN.
  FORESTON.
  FOLEY.

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:11 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	49 min
Jun 17, 7:46 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Washington	44 min
Jun 18, 3:08 AM CDT	Severe Thunderstorm Warning	MPX	Todd	52 min
Jun 18, 4:36 AM CDT	Severe Thunderstorm Warning	MPX	Morrison	39 min
Jun 18, 4:55 AM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs	50 min
Jun 18, 5:03 AM CDT	Severe Thunderstorm Warning	MPX	Benton	42 min
Jun 18, 5:11 AM CDT	Severe Thunderstorm Warning	MPX	Kanabec	49 min
Jun 18, 5:30 AM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	60 min
Jun 18, 6:15 AM CDT	Severe Thunderstorm Warning	MPX	Washington	45 min
Jun 18, 6:20 AM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod	40 min
Jun 18, 6:20 AM CDT	Severe Thunderstorm Warning	MPX	Renville	40 min
Jun 18, 6:41 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet	49 min
Jun 18, 6:41 AM CDT	Severe Thunderstorm Warning	MPX	Sibley	49 min
Jun 18, 7:05 AM CDT	Severe Thunderstorm Warning	MPX	McLeod	25 min
Jun 18, 7:23 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott	52 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.