Alert archive / Michigan / Tornado Warnings in 1994

Tornado Warning 15, NWS Detroit, MI

July 17, 1994Clare County, Michigan

NWS Detroit, MI issued this tornado warning at Jul 17, 1994, 6:59 PM EDT for Clare County, Michigan. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Jul 17, 1994, 6:59 PM EDT (22:59 UTC)
Expired
Jul 17, 1994, 7:30 PM EDT
In force
31 min
Issued by
NWS Detroit, MI
Area
Whole counties

County Clare County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 11.0 hours before the alert went out and 182 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, Detroit, MI at 12:00Z on 1994-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Detroit, MI at 12:00Z on 1994-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
3 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
1295 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
21 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 KHTL 172259
TORHTL
MIC035-172330-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUGHTON LAKE MI
659 PM EDT SUN JUL 17 1994
 
THE NATIONAL WEATHER SERVICE IN HOUGHTON LAKE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  730 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL MICHIGAN
 
   ...NORTHERN CLARE COUNTY
 
AT 656 PM EDT SHERIFFS DEPARTMENT PERSONNEL IN CLARE COUNTY REPORTED
CONTINUED TORNADIC ACTIVITY IN NORTHERN CLARE COUNTY BETWEEN HARRISON
AND LEOTA IN NORTHERN CLARE COUNTY.
 
THE THUNDERSTORMS PRODUCING THE TORNADO ACTIVITY IS MOVING VERY SLOWLY
NORTHEAST AT ABOUT 5 MPH. PERSONS IN NORTHERN CLARE COUNTY...IN AND
NEAR THE COMMUNITIES OF HARRISON AND LEOTA SHOULD REMAIN IN SHELTERED
LOCATIONS.
 
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 O~N THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
 
 
NNNN

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 17, 5:57 PM EDTSevere Thunderstorm WarningDTXRoscommon33 min

Nearby

Tornado Warnings in Michigan, 1994Every tornado warning in 1994Tornadoes in 1994

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.