Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 56, NWS Twin Cities, MN

June 10, 2001McLeod County, Meeker County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 2001, 12:23 AM CDT for McLeod County, Meeker County, Minnesota. It was in force for 52 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 10, 2001, 12:23 AM CDT (05:23 UTC)
Expired: Jun 10, 2001, 1:15 AM CDT
In force: 52 min
Issued by: NWS Twin Cities, MN
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties McLeod County, MN, Meeker County, MN

The radar

The Minneapolis radar (KMPX), 68 km from the middle of the area, began a volume at 05:26 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.

What was reported inside it

Time	Report	Where	Remark
Jun 10, 12:40 AM CDT	Hail 0.75	Hutchinson, 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, 5.4 hours before the alert went out and 65 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: 141 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1787 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 229 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 100524
SVRMSP

MNC085-093-100615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1223 AM CDT SUN JUN 10 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCLEOD COUNTY IN CENTRAL MINNESOTA
  SOUTHERN MEEKER COUNTY IN CENTRAL MINNESOTA

* UNTIL 115 AM CDT

* AT 1223 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL AND DAMAGING WINDS OVER HUTCHINSON...MOVING NORTHEAST AT 20
  MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  SILVER LAKE.
  HUTCHINSON.
  GREENLEAF.
  DARWIN.

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

LAT...LON 4489 9458 4476 9440 4491 9415 4507 9439

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 11:17 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Renville, Sibley	58 min
Jun 10, 12:09 AM CDT	Severe Thunderstorm Warning	MPX	Stearns, Todd	51 min
Jun 10, 12:22 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift, Yellow Medicine	53 min
Jun 10, 12:53 AM CDT	Tornado Warning	MPX	Lac qui Parle, Yellow Medicine	37 min
Jun 10, 1:20 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Redwood, Renville, Yellow Medicine	55 min
Jun 10, 1:20 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Swift	55 min
Jun 10, 2:05 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	55 min
Jun 10, 2:05 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet	55 min
Jun 10, 2:05 AM CDT	Severe Thunderstorm Warning	MPX	McLeod, Sibley	55 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; radar from the NEXRAD Level II archive.