Alert archive / Minnesota / Tornado Warnings in 1992

Tornado Warning 18, NWS Twin Cities, MN

September 16, 1992Mille Lacs County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 16, 1992, 5:09 PM CDT for Mille Lacs County, Minnesota. It was in force for 18 min.

The area

The counties it named.

The facts

Issued
Sep 16, 1992, 5:09 PM CDT (22:09 UTC)
Expired
Sep 16, 1992, 5:27 PM CDT
In force
18 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Mille Lacs County, MN

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 10.2 hours before the alert went out and 121 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 1992-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1874 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 1992-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
1874 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
-2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTC 162209
TORSTC
MNC095-162245-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST CLOUD MINNESOTA
509 PM CDT WED SEP 16 1992
 
THE NATIONAL WEATHER SERVICE IN ST CLOUD MINNESOTA  HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MINNESOTA...THE NORTH HALF
 
   ...MILLE LACS COUNTY
 
AT 505 PM CDT A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS
LOCATED ALONG THE SOUTHEAST SHORE OF LAKE MILLE LACS AT ISLE.
 
THIS IS A DANGEROUS STORM. IT WAS MOVING EAST AT 25 TO 35 MPH.
TAKE IMMEDIATE COVER NOW.
 
VC
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 7:22 PM CDTSevere Thunderstorm WarningMPXRice38 min
Sep 15, 9:16 PM CDTSevere Thunderstorm WarningMPXRice29 min
Sep 15, 10:11 PM CDTFlash Flood WarningMPXDakota, Hennepin, Scott4 hr
Sep 16, 2:04 AM CDTFlash Flood WarningMPXDakota, Hennepin, Scott116 min
Sep 16, 3:22 AM CDTFlash Flood WarningMPXGoodhue38 min
Sep 16, 3:47 AM CDTSevere Thunderstorm WarningMPXOlmsted43 min

Nearby

Tornado Warnings in Minnesota, 1992Every tornado warning in 1992Tornadoes in 1992

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.