Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 198, NWS Twin Cities, MN

August 17, 2001Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 17, 2001, 7:08 PM CDT for Todd County, Minnesota. It was in force for 37 min. No storm report in the archive falls 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.

The facts

Issued: Aug 17, 2001, 7:08 PM CDT (00:08 UTC)
Expired: Aug 17, 2001, 7:45 PM CDT
In force: 37 min
Issued by: NWS Twin Cities, MN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Todd County, MN

The radar

The Minneapolis radar (KMPX), 166 km from the middle of the area, began a volume at 00:09 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
Aug 17, 5:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.1 hours before the alert went out and 165 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: 478 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1766 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

271 
WUUS53 KMPX 180008
SVRMSP
MNC153-180045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
708 PM CDT FRI AUG 17 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TODD COUNTY IN CENTRAL MINNESOTA

* UNTIL 745 PM CDT

* AT 708 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL AND DAMAGING WINDS 3 MILES SOUTH OF BROWERVILLE...OR ABOUT 4
  MILES NORTH OF LONG PRAIRIE...MOVING EAST AT 40 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  LONG PRAIRIE.
  BURTRUM.
  BROWERVILLE.
  ROUND PRAIRIE.

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

LAT...LON 4606 9504 4589 9510 4585 9467 4620 9469

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 7:14 PM CDT	Severe Thunderstorm Warning	MPX	Renville	46 min
Aug 17, 7:17 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	58 min
Aug 17, 7:32 PM CDT	Severe Thunderstorm Warning	MPX	Pope	43 min
Aug 17, 7:44 PM CDT	Severe Thunderstorm Warning	MPX	Stearns, Todd	61 min
Aug 17, 7:59 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	46 min
Aug 17, 8:11 PM CDT	Severe Thunderstorm Warning	MPX	Benton	49 min
Aug 17, 8:43 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Stearns	47 min
Aug 17, 9:00 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Watonwan	60 min
Aug 17, 9:31 PM CDT	Severe Thunderstorm Warning	MPX	Wright	44 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.