Alert archive / Michigan / Tornado Warnings in 1988

Tornado Warning 2, NWS Grand Rapids, MI

July 25, 1988Gratiot County, Michigan

NWS Grand Rapids, MI issued this tornado warning at Jul 25, 1988, 7:03 PM EDT for Gratiot County, Michigan. It was in force for 42 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 25, 1988, 7:03 PM EDT (23:03 UTC)
Expired
Jul 25, 1988, 7:45 PM EDT
In force
42 min
Issued by
NWS Grand Rapids, MI
Area
Whole counties

County Gratiot County, MI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 25, 7:10 PM EDTThunderstorm Wind 0Gratiot, MI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 11.1 hours before the alert went out and 115 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 1988-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 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 1988-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
48 J/kg
Mixed-layer CIN
-74 J/kg
Mixed-layer LCL
786 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 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, Jul 25, 2:35 PM EDT, 4 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  MUSKEGON MI
230 PM EDT MON JUL 25 1988

...STRONG THUNDERSTORMS DEVELOPING RAPIDLY OVER NORTHWEST
   LOWER MICHIGAN...

AT 230 PM EDT SCATTERED THUNDERSTORMS WERE DEVELOPING RAPIDLY
OVER NORTHWEST LOWER MICHIGAN FROM SOUTHEAST OF TRAVERSE CITY TO WEST
OF HOUGHTON LAKE.

THUNDERSTORMS WERE ALSO DEVELOPING IN MASON COUNTY NORTHEAST AND
SOUTHEAST OF SCOTTVILLE.

NO SEVERE WEATHER WAS NOTED WITH THESE THUNDERSTORMS...HOWEVER...SMALL
HAIL...VERY HEAVY RAINS...DEADLY LIGHTNING AND STRONG WIND MAY ACCOMPANY
SOME OF THE STORMS.  THE THUNDERSTORMS WERE MOVING VERY SLOWLY...HEAVY
RAINS MAY PRODUCE SOME FLOODING OF LOW LYING AREAS AS THE STORMS MO	VE
OVERHEAD.
Special weather statement, Jul 25, 5:45 PM EDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING, MI
545 PM EDT MON JUL 25 1988

...STRONG THUNDERSTORMS MOVING INTO CENTRAL LOWER MICHIGAN...

AT 535 PM A LINE OF STRONG THUNDERSTORMS MOVING INTO CENTRAL MICHIGAN.
RADAR INDICATED STRONG THUNDERSTORMS WERE ABOUT 10 MILES NORTHWEST AND
NORTH OF MT. PLEASANT MOVING TO THE SOUTHEAST AT AROUND 15 MILES PER HOUR.
THIS WILL PUT THE THUNDERSTORMS IN THE CITY OF MT. PLEASANT WITHIN 30
MINUTES. VERY HEAVY RAIN...DANGEROUS LIGHTNING...SMALL HAIL AND STRONG
WIND GUSTS MAY ACCOMPANY SOME OF THE STORMS.

IF THREATENING WEATHER APPROACHES PLEASE SEEK SHELTER IMMEDIATELY AND
STAY ALERT FOR FURTHER WEATHER UPDATES.

KALLAS
Special weather statement, Jul 25, 6:40 PM EDT, 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING, MI
629 PM EDT MON JUL 25 1988

...VERY STRONG THUNDERSTORMS CONTINUE IN CENTRAL LOWER MICHIGAN...

AT 630 PM RADAR INDICATED A LINE OF SHOWERS AND VERY STRONG THUNDERSTORMS
LOCATED 15 MILES NORTHWEST OF ITHACA IN GRATIOT COUNTY. VERY HEAVY RAIN
HAS BEEN REPORTED NORTHWEST OF ITHACA AS THESE THUNDERSTORMS MOVE TO THE
EAST-SOUTHEAST AT ABOUT 20 MILES PER HOUR. THIS LINE OF THUNDERSTORMS WILL
MOVE INTO THE CITY OF ITHACA BY 700 PM AND MAY CONTAIN VERY HEAVY RAIN...
DANGEROUS LIGHTNING...SMALL HAIL AND STRONG WIND GUSTS.

PERSONS IN OR NEAR THE PATH OF THESE STORMS SHOULD SEEK SHELTER IMMEDIATELY
IF THREATENING WEATHER APPROACHES. STAY TUNED TO YOUR NOAA WEATHER RADIO
FOR FURTHER UPDATES ON THE THUNDERSTORM ACTIVITY.

KALLAS
Special weather statement, Jul 25, 6:45 PM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
645 PM EDT MON JUL 25 1988

...STRONG THUNDERSTORMS OVER MONTCALM COUNTY...

AT 635 PM EDT...THE MONTCALM COUNTY SHERIFFS DEPARTMENT REPORTED MARBLE
SIZE HAIL AND FREQUENT LIGHTNING IN THE CITY OF SIX LAKES...ABOUT 40
MILES NORTHEAST OF GRAND RAPIDS. THE THUNDERSTORMS WERE MOVING TO THE
SOUTHEAST AT 20 MPH.

PERSONS IN EASTERN MONTCALM COUNTY SHOULD BE ON THE LOOKOUT FOR LARGE
HAIL...STRONG GUSTY WINDS AND HEAVY RAINFALL AS THE STORMS MOVE THROUGH
THE AREA. IF ANY SEVERE WEATHER IS SIGHTED...NOTIFY YOUR LOCAL LAW
ENFORCEMENT OFFICE.
MJK

Nearby

Tornado Warnings in Michigan, 1988Every tornado warning in 1988Tornadoes in 1988

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.