Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 83, NWS Twin Cities, MN

August 7, 2000Brown County, Martin County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 7, 2000, 9:11 PM CDT for Brown County, Martin County, Watonwan County, Minnesota. It was in force for 64 min. 7 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Aug 7, 2000, 9:11 PM CDT (02:11 UTC)
Expired: Aug 7, 2000, 10:15 PM CDT
In force: 64 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Brown County, MN, Martin County, MN, Watonwan County, MN

What was reported inside it

Time	Report	Where	Remark
Aug 7, 9:25 PM CDT	Thunderstorm Wind 52 E	Trimont, MN	Large tree limbs down.
Aug 7, 9:35 PM CDT	Thunderstorm Wind 50 E	Lewisville, MN	Trees down across road.
Aug 7, 9:40 PM CDT	Thunderstorm Wind 55 E	Lewisville, MN	Roof partially off.
Aug 7, 9:45 PM CDT	Thunderstorm Wind 52 E	St James, MN	Scattered trees down.
Aug 7, 9:48 PM CDT	Thunderstorm Wind 50 E	New Ulm, MN	Several trees toppled.
Aug 7, 10:00 PM CDT	Thunderstorm Wind 52 E	Madelia, MN	Several large trees down, including one on a truck.
Aug 7, 10:00 PM CDT	Thunderstorm Wind 60 E	Darfur, MN	Numerous trees down. Fifty percent of crops flattened over portions of the extreme northwest portion of the county.

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 watch it was issued in

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

Issued	Product	Office	Lasted
Aug 7, 6:45 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.2 hours before the alert went out and 128 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: 1134 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1449 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 258 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 080212
SVRMSP
MNC015-091-165-080315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
911 PM CDT MON AUG 7 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 1015 PM CDT

* AT 911 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS ALONG A LINE
  EXTENDING FROM 21 MILES NORTHWEST OF BUTTERFIELD TO 10 MILES SOUTH
  OF ORMSBY...OR ALONG A LINE EXTENDING FROM 22 MILES SOUTH OF
  REDWOOD FALLS TO 16 MILES WEST OF FAIRMONT...MOVING NORTHEAST AT 60
  MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  ST JAMES
  ORMSBY
  ODIN
  MADELIA
  LA SALLE
  HANSKA
  BUTTERFIELD

LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER
IN A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 7, 8:34 PM CDT	Severe Thunderstorm Warning	MPX	Brown	41 min
Aug 7, 8:56 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	49 min
Aug 7, 9:14 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Nicollet	61 min
Aug 7, 9:34 PM CDT	Tornado Warning	MPX	Martin	41 min
Aug 7, 9:38 PM CDT	Severe Thunderstorm Warning	MPX	Renville, Sibley	52 min
Aug 7, 9:58 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	62 min
Aug 7, 10:14 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet	46 min
Aug 7, 10:21 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott	54 min
Aug 7, 10:21 PM CDT	Severe Thunderstorm Warning	MPX	Wright	54 min
Aug 7, 10:41 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	64 min
Aug 7, 10:58 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	62 min
Aug 8, 5:47 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	28 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2000 Every severe thunderstorm warning in 2000

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.