Alert archive / Michigan / Flash Flood Warnings in 1989

Flash Flood Warning 2, NWS Grand Rapids, MI

June 23, 1989Gratiot County, Michigan

NWS Grand Rapids, MI issued this flash flood warning at Jun 23, 1989, 4:25 PM EDT for Gratiot County, Michigan. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 23, 1989, 4:25 PM EDT (20:25 UTC)
Expired
Jun 23, 1989, 6:30 PM EDT
In force
2 hr
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.

The nearest sounding before it

Detroit, MI (KFNT), launched 12:00Z, 8.4 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 1989-06-23Temperature 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 1989-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
125 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 KLAN 232027
FFWLAN
MIC057-232230-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LANSING MI
425 PM EDT FRI JUN 23 1989
 
THE NATIONAL WEATHER SERVICE IN LANSING HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  630 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL MICHIGAN
          ...GRATIOT
 
AT 425 PM EDT RADAR INDICATED SEVERAL STRONG THUNDERSTORMS WITH VERY
HEAVY RAIN OVER GRATIOT COUNTY NEAR ITHACA. GRATIOT COUNTY SHERIFF
REPORTED 2 INCHES OF RAIN IN LESS THAN ONE HOUR ALONG FILLMORE ROAD 3
MILES SOUTHEAST OF ITHACA. THE STORMS WERE NEARLY STATIONARY OVER
GRATIOT COUNTY AND WILL CONTINUE TO PRODUCE HEAVY RAIN.
 
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

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, Jun 23, 2:10 PM EDT, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING, MI
157 PM EDT FRI JUN 23 1989

        ...TEMPERATURE BREAKS THE 90 DEGREE BARRIER...

AT 155 PM EDT THE TEMPERATURE AT THE CAPITAL CITY AIRPORT IN LANSING
HIT THE 90 DEGREE MARK. THE LAST TIME THE LANSING AREA HIT 90 DEGREES
OR HIGHER WAS AUGUST 17TH OF LAST YEAR. DURING A NORMAL YEAR THE LANSING
AREA SHOULD REACH 90+ DEGREES 12 TIMES. IN 1988 LANSING SET A RECORD
WITH 37 TIMES IN WHICH 90 DEGREES WAS EQUALLED OR SURPASSED.

WITH THE TEMPERATURE GETTING THIS WARM AND THE HUMIDITY LEVELS REMAINING
HIGH...THE HEAT INDEX BECOMES AN IMPORTANT VALUE. SOME SIMPLE RULES TO
GO BY IN THIS WEATHER INCLUDE:
1) REDUCE STRENUOUS ACTIVITY,
2) MAKE SURE YOU DRINK PLENTY OF NON-ACHOLIC BEVERAGES,
3) REDUCE AMOUNT OF TIME IN THE SUN,
4) DRESS LIGHTLY.

KALLAS
Special weather statement, Jun 23, 2:13 PM EDT, 2 hours 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  MUSKEGON MI
210 PM EDT FRI JUN 23 1989

...THUNDERSTORM AND HEAVY RAIN OVER EXTREME SOUTHEAST GRAND TRAVERSE
COUNTY...

AN ISOLATED THUNDERSTORM WAS OVER FIFE LAKE IN EXTREME SOUTHEAST GRAND
TRAVERSE COUNTY. THIS STORM IS CAPABLE OF PRODUCING STRONG WINDS ..
BRIEF HEAVY RAINS..SMALL HAIL AND FREQUENT LIGHTNING.
BOATERS AND FISHERMAN ON FIFE LAKE SHOULD SEEK SAFE HARBOR AND
SHELTER UNTIL THE THUNDERSTORMS PASSES.

MOVEMENT WAS TOWARDS THE NORTHEAST AT 10 TO 15 MPH.

HYNES
Special weather statement, Jun 23, 3:15 PM EDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
305 PM EDT FRI JUN 23 1989

...STRONG THUNDERSTORMS MOVING THROUGH THE GRAND RAPIDS AREA...

AT 3 PM  EDT WEATHER RADAR INDICATED A DEVELOPING LINE OF
THUNDERSTORMS EXTENDING FROM AROUND CEDAR SPRINGS SOUTHWEST
TO BURNIPS...I.E. FROM ABOUT 20 MILES NORTHEAST OF GRAND RAPIDS
SOUTHWEST THROUGH GRAND RAPIDS TO ABOUT 20 MILES SOUTHWEST OF GRAND
RAPIDS.

STRONG WIND GUSTS OVER 40 MPH WERE OCCURRING AS THE THUNDERSTORMS
APPROACHED.  WOTV IN DOWNTOWN GRAND RAPIDS REPORTED WIND GUSTS TO
42 MPH AND 3/4 INCH OF RAIN IN 10 MINUTES.  THE HEAVY RAIN REDUCED
VISIBILITY TO NEAR ZERO AND PRODUCED SOME BRIEF STREET FLOODING.

THESE THUNDERSTORMS APPEAR TO BE MOVING NORTHEAST AROUND 30 MPH.
PERSONS IN THE PATH OF THESE DEVELOPING AND INTENSIFYING THUNDERSTORMS
SHOULD BE ON THE ALERT FOR HEAVY RAIN REDUCING VISIBILITY TO NEAR ZERO
...BRIEF FLOODING AND STRONG GUSTY WINDS THAT COULD BR>ING DOWN
SMALL LIMBS, TWIGS AND BRANCHES.
COOLEY
Special weather statement, Jun 23, 3:28 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING, MI
327 PM EDT FRI JUN 23 1989

   ...STRONG THUNDERSTORMS POPPING UP IN CENTRAL LOWER MICHIGAN...

AT 320 PM EDT RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING ACROSS
CENTRAL LOWER MICHIGAN. THESE THUNDERSTORMS WERE SCATTERED THROUGH
ISABELLA AND GRATIOT COUNTIES WITH THE STRONGEST STORM WAS LOCATED
5 MILES SOUTHWEST OF ITHACA IN GRATIOT COUNTY OR ABOUT 30 MILES DUE
NORTH OF LANSING.

STFRONG GUSTY WINDS AND BRIEF HEAVY RAINS ARE POSSIBLE WITH THESE
THUNDERSTORMS AS THEY MOVE TO THE SOUTHEAST AT ABOUT 10 MPH.

IF YOU ARE IN THE PATH OF THESE DEVELOPING THUNDERSTORMS PREPARE TO
TAKE SHELTER IMMEDIATELY.

KALLAS
Special weather statement, Jun 23, 4:00 PM EDT, 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
350 PM EDT FRI JUN 23 1989

...STRONG THUNDERSTORMS MOVING THROUGH SOUTHWEST MICHIGAN...

AT 350 PM EDT WEATHER RADAR INDICATED A SCATTERED LINE OF
THUNDERSTORMS EXTENDING FROM AROUND GOWEN...SOME 30 MILES
NORTHEAST OF GRAND RAPIDS...SOUTHWEST THROUGH GRAND RAPIDS TO
THE SOUTH BEND AREA.

REPORTS ASSOCIATED WITH THESE THUNDERSTORMS HAVE INDICATED WIND GUSTS
OVER 40 MPH...BRIEF HEAVY RAIN REDUCING VISIBILITY TO NEAR ZERO...
AND SMALL PEA SIZED HAIL.

THE THUNDERSTORMS WERE MOVING NORTHEAST AROUND 30 MPH.
PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD BE ON THE ALERT
FOR HEAVY RAIN REDUCING VISIBILITY TO NEAR ZERO...BRIEF FLOODING
OF STREETS...ROADS AND INTERSECTIONS AND STRONG GUSTY WINDS THAT
COULD BRING DOWN SMALL LIMBS...TWIGS AND BRANCHES. ALSO BE ON THE
ALERT FOR AND SECURE FLYAWAY ITEMS SUCH AS GARBAGE CANS, LAWN
FURNITURE...FREE STANDING SIGNS LOOSE BUILDIgNG MATERIALS ETC.
COOLEY
Special weather statement, Jun 23, 4:17 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LANSING, MI
417 PM EDT FRI JUN 23 1989

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

AT 410 PM EDT RADAR INDICATED STRONG THUNDERSTORMS CONTINUING ACROSS
CENTRAL LOWER MICHIGAN. THESE THUNDERSTORMS WERE MAINLY OVER GRATIOT
COUNTY WITH THE STRONGEST STORMS LOCATED 8 MILES WEST OF ITHACA AND
5 MILES SOUTHEAST OF ITHACA BOTH IN GRATIOT COUNTY OR ABOUT 30 MILES
NORTH OF LANSING.

HEAVY RAIN IS POSSIBLE WITH THESE THUNDERSTORMS DUE TO THE VERY SLOW
MOVEMENT. PEA SIZE HAIL HAS BEEN REPORTED ALONG WITH GUSTY WINDS IN
THE TOWN OF ITHACA. MOVEMENT OF THE THUNDERSTORMS WAS TO THE SOUTHEAST
AT ONLY 10 MPH.

IF YOU ARE IN THE xPATH OF THESE VERY STRONG THUNDERSTORMS PREPARE TO
TAKE SHELTER IMMEDIATELY.

KALLAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 6:35 PM EDTFlash Flood WarningGRRGratiot115 min
Jun 23, 7:48 PM EDTSevere Thunderstorm WarningGRRAllegan27 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.