Alert archive / Michigan / Flash Flood Warnings in 1997
Flash Flood Warning 13, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this flash flood warning at Feb 21, 1997, 10:20 PM EST for Jackson County, Michigan. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 21, 1997, 10:20 PM EST (03:20 UTC)
- Expired
- Feb 22, 1997, 7:00 AM EST
- In force
- 9 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
County Jackson County, MI
The nearest sounding before it
Detroit, MI (KDTX), launched 00:00Z, 3.3 hours before the alert went out and 97 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 474 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KGRR 220324 COR
FFWGRR
MIC073-037-045-057-065-075-005-015-021-027-067-077-081-117-139-
159-107-121-123-127-221200-
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING... RETRANSMISSION
NATIONAL WEATHER SERVICE GRAND RAPIDS MICHIGAN
1020 PM EST FRI FEB 21 1997
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS EXTENDED
A FLOOD WARNING UNTIL 700 AM EST SATURDAY FOR PEOPLE IN THE
FOLLOWING LOCATIONS...
IN CENTRAL LOWER MICHIGAN
...ISABELLA COUNTY
IN SOUTH CENTRAL LOWER MICHIGAN
...CLINTON...EATON...GRATIOT...INGHAM...AND JACKSON COUNTIES
IN SOUTHWEST LOWER MICHIGAN
...ALLEGAN...BARRY...BERRIEN...CASS...IONIA...KALAMAZOO...KENT...
MONTCALM...OTTAWA...AND VAN BUREN COUNTIES
IN WEST CENTRAL LOWER MICHIGAN
...MECOSTA...MUSKEGON...NEWAYGO...AND OCEANA COUNTIES
THIS INCLUDES THE CITIES OF BIG RAPIDS...MOUNT PLEASANT...MUSKEGON...
GRAND RAPIDS...HOLLAND...LANSING...KALAMAZOO...AND BENTON HARBOR.
RAINFALL AMOUNTS OF 1.5 TO 4 INCHES FROM THURSDAY AFTERNOON THROUGH
FRIDAY EVENING HAVE CAUSED FLOODING OF SEVERAL ROADS...IN ADDITION
TO SMALL CREEKS AND STREAMS ACROSS THE WARNING AREA.
LOCAL LAW ENFORCEMENT OFFICIALS ACROSS MUCH OF CENTRAL AND SOUTHWEST
MICHIGAN REPORTED MANY ROAD CLOSURES DUE TO FLOODING. THE WORST
FLOODING IS OCCURRING ACROSS ALLEGAN...EATON...GRATIOT...IONIA...
ISABELLA...KENT AND OTTAWA COUNTIES...WHERE RAINFALL AMOUNTS OF 3
TO 4 INCHES WERE COMMON.
IN KENT COUNTY...BUCK CREEK HAS FLOODED THE INTERSECTION OF 54TH
STREET NEAR CLAY IN WYOMING. PLASTER CREEK HAS FLOODED BACK YARDS
AND PASTURES NEAR 68TH STREET IN GAINES TOWNSHIP.
AT 1000 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
WIDESPREAD PRECIPITATION COVERING MOST OF LOWER MICHIGAN. RAIN HAD
CHANGED TO SLEET AND SNOW ALONG AND NORTH OF A LINE FROM BENTON
HARBOR TO KALAMAZOO TO LANSING. BY MIDNIGHT...ALL COUNTIES IN THE
WARNING AREA WILL HAVE SNOW FALLING AND TEMPERATURES AT OR BELOW
FREEZING. SNOWFALL WILL BRING ANOTH 0.20 TO 0.40 INCH OF LIQUID
EQUIVALENT PRECIPITATION TO THE WARNING AREA OVERNIGHT.
RUNOFF FROM THE RECENT HEAVY RAINS WILL CONTINUE TO ADD WATER TO LOW
LYING AREAS...CREEKS AND STREAMS OVERNIGHT. GROUND TEMPERATURES WILL
LIKELY STAY ABOVE FREEZING UNTIL AROUND DAYBREAK SATURDAY. WITH THE
RAIN CHANGING TO SNOW TONIGHT...MOST CREEKS AND STREAMS WILL CREST
OVERNIGHT EARLY SATURDAY MORNING...BEFORE RECEEDING SATURDAY
AFTERNOON. LARGER RIVERS WILL NOT REACH CREST UNTIL LATE SATURDAY
INTO EARLY NEXT WEEK.
PLEASE REPORT ANY FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY...THEN
ASK THEM TO RELAY THE INFORMATION TO THE NATIONAL WEATHER SERVICE.
FLOODING DANGERS ARE GREATEST AT NIGHT. ICE AND SNOW MAY MASK AREAS
WHERE WATER COVERS THE ROAD. DO NOT DRIVE YOUR VEHICLE INTO AREAS
WHERE THE WATER COVERS THE ROAD. THE WATER DEPTH MAY BE TOO GREAT TO
ALLOW YOU TO CROSS SAFELY.
THE NATIONAL WEATHER SERVICE OFFICE IN GRAND RAPIDS WILL CLOSELY
MONITOR THIS FLOOD EVENT AND PROVIDE FREQUENT UPDATES TO LOCAL
TELEVISION AND RADIO MEDIA AND CABLE TV OUTLETS.
GREENE
&
RETRANSMISSIONThe office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 10:20 PM EST | Flash Flood Warning | GRR | Berrien, Cass, Van Buren | 9 hr |
| Feb 21, 10:20 PM EST | Flash Flood Warning | GRR | Clinton, Eaton, Gratiot, Ingham | 9 hr |
| Feb 21, 10:20 PM EST | Flash Flood Warning | GRR | Kalamazoo | 9 hr |
| Feb 21, 10:20 PM EST | Flash Flood Warning | GRR | Isabella, Mecosta | 9 hr |
| Feb 21, 10:20 PM EST | Flash Flood Warning | GRR | Muskegon, Newaygo, Oceana | 9 hr |
| Feb 21, 10:20 PM EST | Flash Flood Warning | GRR | Allegan, Barry, Ionia, Kent, Montcalm, Ottawa | 9 hr |
Nearby
Flash Flood Warnings in Michigan, 1997Every flash flood warning in 1997
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.