Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 7, NWS Twin Cities, MN

May 7, 2000Benton County, Sherburne County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 7, 2000, 10:58 PM CDT for Benton County, Sherburne County, Minnesota. It was in force for 47 min. 1 report 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: May 7, 2000, 10:58 PM CDT (03:58 UTC)
Expired: May 7, 2000, 11:45 PM CDT
In force: 47 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Benton County, MN, Sherburne County, MN

The radar

The Minneapolis radar (KMPX), 84 km from the middle of the area, began a volume at 03:57 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
May 7, 11:05 PM CDT	Hail 0.88	Clear Lake, 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
May 7, 9:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.0 hours before the alert went out and 83 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: 998 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1468 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 212 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.0

Open this sounding in Storm Lab

The text

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

831 
WUUS53 KMPX 080358
SVRMSP
MNC009-141-080445-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1058 PM CDT SUN MAY 7 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BENTON COUNTY IN CENTRAL MINNESOTA
  SHERBURNE COUNTY IN CENTRAL MINNESOTA

* UNTIL 1145 PM CDT

* AT 1058 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 5 MILES
  NORTHWEST OF CLEAR LAKE...OR ABOUT 7 MILES SOUTHEAST OF ST CLOUD...
  MOVING NORTHEAST AT 20 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  RONNEBY
  FOLEY
  CLEAR LAKE
  ELK RIVER
  SAUK RAPIDS
  
THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS.

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

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 7:33 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	27 min
May 7, 7:59 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Yellow Medicine	46 min
May 7, 8:40 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville	50 min
May 7, 9:08 PM CDT	Tornado Warning	MPX	Kandiyohi	37 min
May 7, 9:27 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	48 min
May 7, 9:44 PM CDT	Tornado Warning	MPX	Meeker	31 min
May 7, 10:12 PM CDT	Severe Thunderstorm Warning	MPX	Isanti, Mille Lacs	48 min
May 7, 10:14 PM CDT	Tornado Warning	MPX	Meeker, Stearns	46 min
May 7, 10:30 PM CDT	Severe Thunderstorm Warning	MPX	Wright	60 min
May 7, 10:33 PM CDT	Tornado Warning	MPX	Wright	57 min
May 7, 11:09 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	51 min
May 8, 1:08 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Sibley	52 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2000 Every severe thunderstorm warning 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.