Alert archive / Minnesota / Tornado Warnings in 1997

Tornado Warning 33, NWS Twin Cities, MN

August 14, 1997Goodhue County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 14, 1997, 6:55 PM CDT for Goodhue County, Minnesota. It was in force for 35 min. 2 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
Aug 14, 1997, 6:55 PM CDT (23:55 UTC)
Expired
Aug 14, 1997, 7:30 PM CDT
In force
35 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Goodhue County, MN

The radar

The Minneapolis radar (KMPX), 83 km from the middle of the area, began a volume at 23:55 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
Aug 14, 7:30 PM CDTTornado F1Wanamingo, MNSeveral barns destroyed. Roof ripped off home on farmstead. Wall knocked down and roof ripped off storage facility at Soil Center. Damage estimated at $100,000.
Aug 14, 7:40 PM CDTTornado F0Goodhue, 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, 11.9 hours before the alert went out and 85 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 1997-08-14Temperature 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 1997-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897Sfc1 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
1284 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
128 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.

000 
TTAA00 KMSP 142357 RRA
TORMSP
MNC049-150030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
655 PM CDT THU AUG 14 1997

* TORNADO WARNING FOR
  EASTERN GOODHUE COUNTY - SOUTHEASTERN MINNESOTA

* UNTIL 730 PM CDT

* SOME LOCATIONS AFFECTED
    GOODHUE
    BELVIDERE HILLS
    HAYCREEK
    RED WING

* AT 655 PM CDT THE PUBLIC REPORTED A TORNADO NEAR GOODHUE OR 12
  MILES SOUTH OF RED WING.  THE STORM WAS MOVING NORTHEAST AT 25
  MPH.

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

MCBEATH PETERS


&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 5:19 PM CDTSevere Thunderstorm WarningMPXLe Sueur51 min
Aug 14, 5:43 PM CDTTornado WarningMPXLe Sueur32 min
Aug 14, 6:15 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice45 min
Aug 14, 6:25 PM CDTTornado WarningMPXGoodhue35 min
Aug 14, 6:37 PM CDTTornado WarningMPXDakota, Rice38 min

Nearby

Tornado Warnings in Minnesota, 1997Every tornado warning in 1997Tornadoes in 1997

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.