Alert archive / Minnesota / Tornado Warnings in 2000

Tornado Warning 21, NWS Twin Cities, MN

July 25, 2000McLeod County, Renville County, Sibley County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 25, 2000, 7:29 PM CDT for McLeod County, Renville County, Sibley County, Minnesota. It was in force for 46 min. 3 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: Jul 25, 2000, 7:29 PM CDT (00:29 UTC)
Expired: Jul 25, 2000, 8:15 PM CDT
In force: 46 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties McLeod County, MN, Renville County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 74 km from the middle of the area, began a volume at 00:28 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
Jul 25, 7:45 PM CDT	Hail 0.75	Hector, MN
Jul 25, 7:49 PM CDT	Hail 1.5	Fairfax, MN
Jul 25, 8:02 PM CDT	Hail 0.75	Winsted, 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 25, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 71 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: 1668 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1176 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 260031
TORMSP

MNC085-129-143-260115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
729 PM CDT TUE JUL 25 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SIBLEY COUNTY IN CENTRAL MINNESOTA
  MCLEOD COUNTY IN CENTRAL MINNESOTA
  RENVILLE COUNTY IN CENTRAL MINNESOTA

* UNTIL 815 PM CDT

* AT 729 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO OVER HECTOR...OR ABOUT 13 MILES EAST OF
  OLIVIA. ANOTHER DEVELOPING TORNADO WAS REPORTED BY SEVERE WEATHER 
  SPOTTERS JUST NORTH OF HUTCHINSON. THUNDERSTORMS IN THESE AREAS WERE 
  MOVING EAST AT 25 MPH.
6
* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  BUFFALO LAKE
  GLENCOE
  SILVER LAKE

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 7:01 PM CDT	Tornado Warning	MPX	Benton, Mille Lacs	44 min
Jul 25, 7:09 PM CDT	Tornado Warning	MPX	Renville	36 min
Jul 25, 7:56 PM CDT	Tornado Warning	MPX	Carver, Wright	49 min
Jul 25, 8:13 PM CDT	Tornado Warning	MPX	Nicollet, Sibley	47 min
Jul 25, 8:25 PM CDT	Tornado Warning	MPX	Hennepin	50 min
Jul 25, 8:53 PM CDT	Tornado Warning	MPX	Blue Earth, Brown, Nicollet	67 min
Jul 25, 9:13 PM CDT	Tornado Warning	MPX	Hennepin	32 min
Jul 25, 9:59 PM CDT	Tornado Warning	MPX	Blue Earth	31 min
Jul 25, 10:23 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Watonwan	67 min
Jul 25, 11:25 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault	50 min

Nearby

Tornado Warnings in Minnesota, 2000 Every tornado warning in 2000 Tornadoes 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; radar from the NEXRAD Level II archive.