Alert archive / Michigan / Tornado Warnings in 1996

Tornado Warning 3, NWS Grand Rapids, MI

May 20, 1996Clinton County, Michigan

NWS Grand Rapids, MI issued this tornado warning at May 20, 1996, 11:04 PM EDT for Clinton County, Michigan. It was in force for 26 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
May 20, 1996, 11:04 PM EDT (03:04 UTC)
Expired
May 20, 1996, 11:30 PM EDT
In force
26 min
Issued by
NWS Grand Rapids, MI
Area
Whole counties

County Clinton County, MI

The radar

The Grand Rapids radar (KGRR), 77 km from the middle of the area, began a volume at 03:05 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

Detroit, MI (KDTX), launched 00:00Z, 3.1 hours before the alert went out and 99 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 1996-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 1996-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 333 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
18 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
873 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
333 m²/s²
0-3 km storm-relative helicity
370 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRR 210305
TORGRR
MIC037-210330-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1104 PM EDT MON MAY 20 1996
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1130 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL LOWER MICHIGAN
 
   ...SOUTHEASTERN CLINTON COUNTY
 
AT 11 PM... A WEATHER OBSERVER OBSERVED A FUNNEL CLOUD ONE MILE
SOUTH OF THE AIRPORT.  THIS FUNNEL WAS EXTENDING TO THE GROUHD. TOWNS
IN THE PATH OF THIS TORNADO ARE BATH AND PARK LAKE.
 
IF YOU ARE IN THE PATH OF A TORNADO THE SAFEST SHELTER IS IN A
BASEMENT. GET UNDER A WORKBENCH OR A PIECE OF STURDY FURNITURE. IF
NO BASEMENT IS AVAILABvLE 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.

What forecasters said that day

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

In the hours before

Special weather statement, May 20, 5:06 PM EDT, 5 hours 58 minutes before
MIZ066-067-073-074-079>081-210100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
507 PM EDT MON MAY 20 1996

...TORNADO THUNDERSTORM WATCH IN EFFECT UNTIL 1000 PM EDT FOR MOST OF
SOUTH CENTRAL LOWER MICHIGAN...

A TORNADO WATCH HAS BEEN ISSUED... AND IS IN EFFECT UNTIL 1000 PM
EDT... FOR THE FOLLOWING COUNTIES IN SOUTH CENTRAL LOWER MICHIGAN:
BRANCH... CALHOUN... EATON... HILLSDALE... INGHAM... JACKSON... AND
ST JOSEPH. A FEW COMMUNITIES INCLUDED IN THE WATCH ARE BATTLE
CREEK... JACKSON... LANSING... COLDWATER... AND HILLSDALE.

AT 500 PM EDT... DOPPLER RADAR INDICATED AN AREA OF SHOWERS... WITH
IMBEDDED THUNDERSTORMS... FROM LAKE MICHIGAN EAST-NORTHEAST THROUGH
CENTRAL LOWER MICHIGAN. IN ADDITION... INDIVIDUAL THUNDERSTORMS WERE
LOCATED SOUTH OF THIS... ACROSS SOUTHEAST LOWER MICHIGAN. ADDITIONAL
THUNDERSTORMS COULD DEVELOP ACROSS THE WATCH AREA THIS EVENING...
AND SOME OF THESE STORMS MAY BE SEVERE WITH THE POSSIBILITY OF
TORNADOES.

REMEMBER... A TORNADO WATCH MEANS TORNADOES ARE POSSIBLE IN AND NEAR
THE WATCH AREA. BE ON THE WATCH FOR THREATENING WEATHER AND LISTEN TO
NOAA WEATHER RADIO... COMMERCIAL RADIO OR TELEVISION FOR FURTHER
INFORMATION.

TRH
Special weather statement, May 20, 6:26 PM EDT, 4 hours 38 minutes before
MIZ066-067-073-074-079>081-210100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
628 PM EDT MON MAY 20 1996

...TORNADO WATCH CANCELLED...

THE TORNADO WATCH THAT WAS IN EFFECT FOR BRANCH... CALHOUN...
EATON... HILLSDALE... INGHAM... JACKSON... AND ST JOSEPH COUNTIES
HAS BEEN CANCELLED.

AT 625 PM EDT... DOPPLER RADAR INDICATED AN AREA OF SHOWERS... WITH
EMBEDDED THUNDERSTORMS... FROM LAKE MICHIGAN EAST-NORTHEAST THROUGH
CENTRAL LOWER MICHIGAN. THE STRONG TO SEVERE THUNDERSTORMS THAT WERE
OVER THE WATCH AREA HAVE MOVED OUT OF LOWER MICHIGAN... THEREFORE
THE TORNADO WATCH HAS BEEN CANCELLED.

ALTHOUGH THE WATCH HAS BEEN CANCELLED... ADDITIONAL THUNDERSTORMS
COULD DEVELOP ACROSS THE AREA LATER THIS EVENING. STAY TUNNED TO
NOAA WEATHER RADIO FOR FURTHER UPDATES.

TRH

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 8:16 PM EDTFlash Flood WarningGRRKent4 hr
May 20, 10:23 PM EDTTornado WarningGRRIngham37 min

Nearby

Tornado Warnings in Michigan, 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.