Alert archive / Minnesota / Tornado Warnings in 1996

Tornado Warning 26, NWS Twin Cities, MN

September 2, 1996Blue Earth County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 2, 1996, 7:23 PM CDT for Blue Earth County, Minnesota. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 2, 1996, 7:23 PM CDT (00:23 UTC)
Expired
Sep 2, 1996, 7:55 PM CDT
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Blue Earth County, MN

The radar

The Minneapolis radar (KMPX), 99 km from the middle of the area, began a volume at 00:26 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.4 hours before the alert went out and 98 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 1996-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2025 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 1996-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939Sfc1 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
2025 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
910 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
58 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 030024
TORMSP
MNC013-030055-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
723 PM CDT MON SEP 2 1996

* TORNADO WARNING FOR
  NORTHERN BLUE EARTH COUNTY - SOUTH CENTRAL MINNESOTA

* UNTIL 755 PM CDT
 
* SOME LOCATIONS AFFECTED
    RAPIDAN
    LAKE CRYSTAL
    MANKATO

* AT 717 PM CDT THE PUBLIC REPORTED A TORNADO AT RAPIDAN OR 2 MILES
  SOUTH OF MANKATO MOVING NORTHEAST AT 10 MPH.


 GO TO THE BBASEMENT 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
Sep 2, 7:44 PM CDTFlash Flood WarningMPXBlue Earth, Nicollet3 hr
Sep 3, 3:21 PM CDTSevere Thunderstorm WarningMPXTodd39 min

Nearby

Tornado Warnings in Minnesota, 1996Every tornado warning in 1996Tornadoes in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.