Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 219, NWS Twin Cities, MN

August 29, 2001Lac qui Parle County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 29, 2001, 8:33 PM CDT for Lac qui Parle County, Minnesota. It was in force for 27 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
Aug 29, 2001, 8:33 PM CDT (01:33 UTC)
Expired
Aug 29, 2001, 9:00 PM CDT
In force
27 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Lac qui Parle County, MN

The radar

The Sioux Falls radar (KFSD), 163 km from the middle of the area, began a volume at 01:35 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.

IssuedProductOfficeLasted
Aug 29, 3:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.6 hours before the alert went out and 176 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 00:00Z on 2001-08-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2001-08-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
22 J/kg
Mixed-layer CIN
-433 J/kg
Mixed-layer LCL
2046 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

311 
WUUS53 KMPX 300133
SVRMSP
MNC073-300200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
833 PM CDT WED AUG 29 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 900 PM CDT

* AT 833 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL AND DAMAGING WINDS 5 MILES EAST OF DAWSON...OR ABOUT 11 MILES
  WEST OF MONTEVIDEO...MOVING EAST AT 25 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  DAWSON
  RURAL AREAS OF EASTERN LAC QUI PARLE COUNTIES.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 7:19 PM CDTSevere Thunderstorm WarningMPXDouglas, Todd41 min
Aug 29, 7:46 PM CDTSevere Thunderstorm WarningMPXPope, Stearns44 min
Aug 29, 8:00 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Swift45 min
Aug 29, 8:29 PM CDTSevere Thunderstorm WarningMPXStearns46 min
Aug 29, 10:31 PM CDTSevere Thunderstorm WarningMPXGoodhue, Rice59 min
Aug 29, 10:31 PM CDTSevere Thunderstorm WarningMPXSteele, Waseca59 min
Aug 29, 10:46 PM CDTSevere Thunderstorm WarningMPXWashington29 min
Aug 29, 11:02 PM CDTSevere Thunderstorm WarningMPXAnoka, Sherburne43 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001Every 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.