Alert archive / Minnesota / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 18, NWS Twin Cities, MN

May 17, 2000Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 17, 2000, 1:06 PM CDT for Watonwan County, Minnesota. It was in force for 39 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 17, 2000, 1:06 PM CDT (18:06 UTC)
Expired
May 17, 2000, 1:45 PM CDT
In force
39 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Watonwan County, MN

What was reported inside it

TimeReportWhereRemark
May 17, 1:20 PM CDTHail 1La Salle, 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 12:00Z, 6.1 hours before the alert went out and 126 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 12:00Z on 2000-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2000-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
994 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

620 
WUUS53 KMPX 171808
SVRMSP
MNC165-171845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
106 PM CDT WED MAY 17 2000

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 145 PM CDT

* AT 106 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 2 MILES WEST
  OF LA SALLE...OR ABOUT 6 MILES NORTH OF ST JAMES...MOVING EAST AT
  40 MPH.

* SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE...
  ST JAMES
  LA SALLE
  MADELIA
   
THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 10:31 AM CDTSevere Thunderstorm WarningMPXFreeborn29 min
May 17, 11:36 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood54 min
May 17, 12:22 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood68 min
May 17, 12:47 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Nicollet58 min
May 17, 1:28 PM CDTSevere Thunderstorm WarningMPXLe Sueur62 min
May 17, 1:46 PM CDTSevere Thunderstorm WarningMPXBlue Earth39 min
May 17, 2:12 PM CDTSevere Thunderstorm WarningMPXRice48 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.