Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 2, NWS Twin Cities, MN

May 7, 2000Chippewa County, Lac qui Parle County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 7, 2000, 7:59 PM CDT for Chippewa County, Lac qui Parle County, Yellow Medicine County, Minnesota. It was in force for 46 min. 6 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
May 7, 2000, 7:59 PM CDT (00:59 UTC)
Expired
May 7, 2000, 8:45 PM CDT
In force
46 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

Counties Chippewa County, MN, Lac qui Parle County, MN, Yellow Medicine County, MN

The radar

The Sioux Falls radar (KFSD), 162 km from the middle of the area, began a volume at 01:00 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

TimeReportWhereRemark
May 7, 8:05 PM CDTHail 1Boyd, MN
May 7, 8:05 PM CDTHail 1.5Clarkfield, MNWind driven hail produced major damage to numerous houses and other property.
May 7, 8:05 PM CDTThunderstorm Wind 78 EClarkfield, MNEstimated winds. Damage survey indicated damage to numerous barns, sheds, power lines, and trees. Downburst swath was approximately 5 miles wide and 7 miles long.
May 7, 8:15 PM CDTThunderstorm Wind 75 EGranite Falls, MNEstimated winds. Numerous trees, a few sheds, and two barns toppled.
May 7, 8:15 PM CDTThunderstorm Wind 70 EGranite Falls, MNEstimated winds. Barns down and 18 inch diameter tree felled.
May 7, 8:15 PM CDTHail 1.75Granite Falls, MNWind driven hail caused significant damage to houses and other property.

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, 1.0 hours before the alert went out and 179 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2000-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 998 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2000-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

000 
WUUS53 KMPX 080100
SVRMSP
MNC023-073-173-080145-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA
  EASTERN YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA
  LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 845 PM CDT

* AT 759 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL 3 MILES NORTH OF CLARKFIELD...
  OR ABOUT 9 MILES SOUTHWEST OF MONTEVIDEO...MOVING NORTHEAST AT 20
  MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  MONTEVIDEO
  CLARKFIELD
  BOYD
  CLARA CITY
  HAZEL RUN

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.

IssuedProductOfficeCountiesLasted
May 7, 7:33 PM CDTSevere Thunderstorm WarningMPXYellow Medicine27 min
May 7, 8:40 PM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Renville50 min
May 7, 9:08 PM CDTTornado WarningMPXKandiyohi37 min
May 7, 9:27 PM CDTSevere Thunderstorm WarningMPXMeeker48 min
May 7, 9:44 PM CDTTornado WarningMPXMeeker31 min
May 7, 10:12 PM CDTSevere Thunderstorm WarningMPXIsanti, Mille Lacs48 min
May 7, 10:14 PM CDTTornado WarningMPXMeeker, Stearns46 min
May 7, 10:30 PM CDTSevere Thunderstorm WarningMPXWright60 min
May 7, 10:33 PM CDTTornado WarningMPXWright57 min
May 7, 10:58 PM CDTSevere Thunderstorm WarningMPXBenton, Sherburne47 min
May 7, 11:09 PM CDTSevere Thunderstorm WarningMPXStearns51 min
May 8, 1:08 AM CDTSevere Thunderstorm WarningMPXCarver, Sibley52 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2000Every 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.