Alert archive / Minnesota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 2, NWS Twin Cities, MN

June 5, 1997Freeborn County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 5, 1997, 11:30 AM CDT for Freeborn County, Minnesota. It was in force for 30 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
Jun 5, 1997, 11:30 AM CDT (16:30 UTC)
Expired
Jun 5, 1997, 12:00 PM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Freeborn County, MN

What was reported inside it

TimeReportWhereRemark
Jun 5, 11:35 AM CDTHail 1Albert Lea, MN
Jun 5, 11:45 AM CDTHail 0.75Twin Lakes, 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, 4.5 hours before the alert went out and 132 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 1997-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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 12:00Z on 1997-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
14 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1278 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
92 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.

913 
WUUS1 KMSP 051632 RRA
SVRMSP
MNC047-051700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1130 AM CDT THU JUN 5 1997

* SEVERE THUNDERSTORM WARNING FOR
  FREEBORN COUNTY - SOUTH CENTRAL MINNESOTA

* UNTIL 1200 PM CDT
 
* SOME LOCATIONS AFFECTED
    GLENVILLE
    TWIN LAKES

* AT 1126 AM CDT...LOCAL LAW ENFORCEMENT REPORTED A SEVERE STORM
WITH LARGE HAIL ABOUT 5 MILES SOUTH OF ALBERT LEA.  THE STORM WAS
MOVING SOUTHEAST AT 25 MPH.

QUARTER SIZED HAIL WASL WAS REPORTED JUST SOUTH OF ALBERT LEA AT
1125 AM. THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.


MILLER
 

&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 12:37 PM CDTSevere Thunderstorm WarningMPXGoodhue33 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 1997Every severe thunderstorm warning 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.