Alert archive / Michigan / Flash Flood Warnings in 1989

Flash Flood Warning 1, NWS Grand Rapids, MI

May 31, 1989Clinton County, Eaton County, Ingham County, Michigan

NWS Grand Rapids, MI issued this flash flood warning at May 31, 1989, 5:50 PM EDT for Clinton County, Eaton County, Ingham County, Michigan. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 31, 1989, 5:50 PM EDT (21:50 UTC)
Expired
May 31, 1989, 8:07 PM EDT
In force
2 hr
Issued by
NWS Grand Rapids, MI
Area
Whole counties

Counties Clinton County, MI, Eaton County, MI, Ingham County, MI

The radar

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

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 9.8 hours before the alert went out and 96 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 1989-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1989-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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 flash flood 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 31, 4:38 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING, MI
435 PM EDT WED MAY 31 1989

...SEVERE THUNDERSTORM WATCH FOR SOUTHERN LOWER MICHIGAN TILL 10 PM...

AT 430 PM EDT THUNDERSTORMS WERE AGAIN OVER SOUTHWEST LOWER MICHIGAN...
SOME WITH VERY HEAVY RAIN.  THESE STORMS WERE MOVING EAST NORTHEAST AT
30 MPH.  THUNDERSTORMS WERE 12 MILES SOUTH OF BATTLE CREEK EXTENDING
SOUTHWEST TO NEAR SOUTH BEND INDIANA.  THESE STORMS WILL MOVE ACROSS
SOUTHERN CALHOUN COUNTY AND BRANCH COUNTY BETWEEN 430 AND 530 PM EDT.

ANOTHER CLUSTER OF THUNDERSTORMS WERE 30 MILES WEST AND NORTHWEST OF
BATTLE CREEK.  THESE WILL MOVE INTO THE BATTLE CREEK AREA BETWEEN
5 AND 6PM EDT.

A LINE OF THUNDERSTORMS EXTENDED -FROM HOLLAND MICHIGAN...60 MILES
NORTHWEST OF BATTLE CREEK... TO CHICAGO ILLINOIS.

THESE THUNDERSTORMS CAN PRODUCE HEAVY RAIN...GUSTY WINDS AND SMALL HAIL.
FORTUNE
Special weather statement, May 31, 5:17 PM EDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING, MI
508 PM EDT WED MAY 31 1989

...SEVERE THUNDERSTORM WATCH FOR SOUTHERN LOWER MICHIGAN TILL 10 PM...

AT 505 PM EDT THUNDERSTORMS...WITH HEAVY RAIN AND FREQUENT LIGHTNING...
WERE OVER SOUTHWEST LOWER.  ONE STRONG THUNDERSTORM WAS 40 MILES SOUTH
WEST OF JACKSON...NEAR COLDWATER. HEAVY RAIN AND FREQUENT LIGHTNING
WAS REPORTED AT COLDWATER.  THE STORM WILL MOVE INTO NORTHERN HILLSDALE
COUNTY NEAR LITCHFIELD.  ANOTHER STRONG THUNDERSTORM WAS 40 MILES
SOUTHWEST OF LANSING...NEAR NASHVILLE MICHIGAN.  THE STORM WILL MOVE INTO
EATON COUNTY BY 530 AND TO THE CHARLOTTE AREA...15 MILES SOUTHWEST OF
LANSING...BETWEEN 530 AND 545 PM THEN INTO THE= GREATER LANSING AREA
BETWEEN 6 AND 630 PM EDT.

FORTUNE
Special weather statement, May 31, 5:46 PM EDT, 4 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 8:06 PM EDTTornado WarningGRRAllegan, Kalamazoo46 min
May 31, 5:19 PM EDTSevere Thunderstorm WarningGRREaton41 min
May 31, 5:33 PM EDTSevere Thunderstorm WarningGRRBranch, Hillsdale57 min
May 31, 6:11 PM EDTSevere Thunderstorm WarningGRRIngham64 min
May 31, 6:12 PM EDTSevere Thunderstorm WarningGRRIngham63 min
May 31, 6:15 PM EDTSevere Thunderstorm WarningGRRClinton45 min
May 31, 6:23 PM EDTSevere Thunderstorm WarningGRRIonia24 min
May 31, 6:43 PM EDTSevere Thunderstorm WarningGRRCalhoun32 min
May 31, 6:48 PM EDTSevere Thunderstorm WarningGRRJackson57 min
May 31, 7:15 PM EDTSevere Thunderstorm WarningGRRHillsdale60 min

Nearby

Flash Flood Warnings in Michigan, 1989Every flash flood warning in 1989

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.