Alert archive / Michigan / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 14, NWS Detroit, MI

April 26, 1994Gladwin County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Apr 26, 1994, 9:50 PM EDT for Gladwin County, Michigan. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1994, 9:50 PM EDT (01:50 UTC)
Expired
Apr 26, 1994, 10:15 PM EDT
In force
25 min
Issued by
NWS Detroit, MI
Area
Whole counties

County Gladwin County, MI

The nearest sounding before it

Detroit, MI (KFNT), launched 00:00Z, 1.8 hours before the alert went out and 161 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 00:00Z on 1994-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 513 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 00:00Z on 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
513 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
2058 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 26, 4:17 PM EDT, 5 hours 33 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE DETROIT, MI
415 PM EDT TUE APR 26 1994

EVENTS FROM 1230 PM TO 130 PM EDT THIS DATE

TIME       LOCATION AND EVENT
(EDT)

1250 PM    3 MILES WEST OF DEXTER...NEjAR ISLAND LAKE (45W DOWNTOWN
           DETROIT). 60 MPH WIND GUST DOWNED TREE LIMBS.

110 PM     WIND GUSTS TO 55 MPH AT BRIGHTON IN LIVINGSTON COUNTY
           AND HIGHLAND IN OAKLAND COUNTY.

YORK/BAILEY
Special weather statement, Apr 26, 9:15 PM EDT, 35 minutes before
MIZ047-048-053-060-270215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLINT  MI
916 PM EDT TUE APR 26 1994

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF EAST
CENTRAL LOWER MICHIGAN UNTIL 200 AM EDT WEDNESDAY...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE FOLLOWING COUNTIES
UNTIL 200 AM EDT WEDNESDAY.  THESE COUNTIES ARE BAY... MIDLAND...
SAGINAW AND SHIAWASSEE.

AT 914 PM EDT...RADAR INDICATED A LINE OF THUNDERSTORMS FROM BIG RAPIDS
TO JUST NORTH OF GRAND RAPIDS.  THIS LINE OF STORMS WAS MOVING TO THE
NORTHEAST AT 45 MILES AN HOUR AND SHOULD BEGIN TO AFFECT THE WESTERN
PORTIONS OF MIDLAND AND SHIAWASSEE COUNTIES BETWEEN 1000 PM AND
1030 PM.

IF A THUNDERSTORM APPROACHES...MOVE INDOORS AND STAY AWAY FROM
WINDOWS.

TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION ON THIS DANGEROUS WEATHER SITUATION.
Special weather statement, Apr 26, 9:27 PM EDT, 23 minutes before
MIZ016>083-270600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
925 PM EDT TUE APR 26 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 2 AM FOR MUCH OF CENTRAL
AND SOUTHWEST LOWER MICHIGAN...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR A LARGE PART OF CENTRAL AND SOUTHWEST LOWER MICHIGAN.  THE WATCH
IS IN EFFECT UNTIL 2 AM EDT.

THE WATCH COVERS AN AREA ROUGHLY SOUTH OF A LINE FROM OSCODA TO
CADILLAC AND WEST OF A LINE FROM BAY CITY TO MARSHALL. THIS INCLUDES
THE CITIES OF BAY CITY... SAGINAW... MIDLAND... LANSING...
GRAND RAPIDS... MUSKEGON... BATTLE CREEK... KALAMAZOO... AND BENTON
HARBOR.

A SEVERE THUNDERSTORM WATCH MEANS THAT SEVERE THUNDERSTORMS ARE POSSIBLE
IN AND NEAR THE WATCH AREA.  SEVERE THUNDERSTORMS PRODUCE HAIL WITH A
DIAMETER OF AT LEAST 3/4 INCH... OR WINDS OF AT LEAST 58 MILES AN HOUR.

IF ANY THUNDERSTORM SHOULD APPROACH... TAKE COVER IMMEDIATELY.  EVEN
N4ON-SEVERE THUNDERSTORMS CAN KILL.  SEEK SHELTER INSIDE A WELL-
CONSTRUCTED HOUSE OR BUILDING.

WTB

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 9:43 PM EDTSevere Thunderstorm WarningDTXMidland47 min
Apr 26, 10:29 PM EDTSevere Thunderstorm WarningDTXBay46 min
Apr 26, 11:06 PM EDTSevere Thunderstorm WarningDTXHuron54 min
Apr 27, 12:11 AM EDTSevere Thunderstorm WarningDTXGenesee39 min
Apr 27, 12:31 AM EDTSevere Thunderstorm WarningDTXLapeer59 min
Apr 27, 1:08 AM EDTSevere Thunderstorm WarningDTXLivingston26 min
Apr 27, 2:49 AM EDTSevere Thunderstorm WarningDTXOakland, Wayne41 min

Nearby

Severe Thunderstorm Warnings in Michigan, 1994Every severe thunderstorm warning 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.