Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 186, NWS Twin Cities, MN

July 23, 2001Meeker County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2001, 3:13 AM CDT for Meeker County, Stearns County, Minnesota. It was in force for 47 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: Jul 23, 2001, 3:13 AM CDT (08:13 UTC)
Expired: Jul 23, 2001, 4:00 AM CDT
In force: 47 min
Issued by: NWS Twin Cities, MN
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Meeker County, MN, Stearns County, MN

The radar

The Minneapolis radar (KMPX), 101 km from the middle of the area, began a volume at 08:13 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
Jul 23, 2:30 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.2 hours before the alert went out and 99 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: 2234 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 1124 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 200 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 230815
SVRMSP

MNC093-145-230900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
313 AM CDT MON JUL 23 2001

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  STEARNS COUNTY IN CENTRAL MINNESOTA
  MEEKER COUNTY IN CENTRAL MINNESOTA

* UNTIL 400 AM CDT

* AT 313 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING
  WINDS 14 MILES WEST OF GROVE CITY...OR ABOUT 7 MILES NORTHEAST     
  OF WILLMAR. SEVERE THUNDERSTORMS WERE ALSO INDICATED 12 WEST OF    
  MELROSE. THESE THUNDERSTORMS WERE MOVING EAST AT 35 MPH.  

* SOME LOCATIONS AFFECTED BY THIS STORM INCLaUDE...
  PAYNESVILLE.
  LITCHFIELD.
  ALBANY.
  ST CLOUD.
  GROVE CITY.
  DASSEL.

LAT...LON 4570 9479 4503 9468 4502 9432 4567 9425

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 9:29 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle	46 min
Jul 23, 1:48 AM CDT	Severe Thunderstorm Warning	MPX	Stevens, Swift	42 min
Jul 23, 2:29 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns, Swift	61 min
Jul 23, 5:11 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet	49 min
Jul 23, 5:17 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Isanti	28 min
Jul 23, 5:42 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth	48 min
Jul 23, 6:04 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur	41 min
Jul 23, 7:31 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue	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.