Alert archive / Michigan / Flash Flood Warnings in 1996
Flash Flood Warning 6, NWS Grand Rapids, MI
NWS Grand Rapids, MI issued this flash flood warning at May 10, 1996, 8:30 AM EDT for Berrien County, Cass County, Michigan. It was in force for 7 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
- May 10, 1996, 8:30 AM EDT (12:30 UTC)
- Expired
- May 10, 1996, 3:00 PM EDT
- In force
- 7 hr
- Issued by
- NWS Grand Rapids, MI
- Area
- Whole counties
Counties Berrien County, MI, Cass County, MI
The nearest sounding before it
Detroit, MI (KDTX), launched 12:00Z, 0.5 hours before the alert went out and 245 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
- 946 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 130 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 101232 FFWGRR MIC021-027-101900- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE GRAND RAPIDS MI 830 AM EDT FRI MAY 10 1996 THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 300 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST LOWER MICHIGAN ...CENTRAL AND SOUTHERN BERRIEN AND CASS COUNTIES THE FLOOD WARNING FOR BOTH CENTRAL AND SOUTHERN BERRIEN AND CENTRAL AND SOUTHERN CASS COUNTIES HAS BEEN EXTENDED THROUGH THE DAY TODAY...AS FLOODING IS STILL OCCURRING THIS MORNING. THE HEAVIEST PRECIPITATION HAS FALLEN ACROSS SOUTHERN BERRIEN COUNTY...WHERE 4.8 INCHES HAS FALLEN AT GLENDORA AND 5.0 INCHES AT NILES. LESSER AMOUNTS WERE NOTED ACROSS NORTHERN BERRIEN COUNTY...WITH 2.5 INCHES OF RAIN BEING REPORTED AT COLOMA. ALL OF THESE PRECIPITATION TOTALS WERE FOR THE PAST 24 HOURS. NUMEROUS ROADS HAVE BEEN REPORTED AS WATER COVERED ACROSS SOUTHERN BERRIEN COUNTY...WITH ROADS WASHED OUT AS WELL. AT 825 AM EDT...GRAND RAPIDS DOPPLER RADAR SHOWED THE AREA OF THUNDERSTORMS THAT MOVED THROUGH SOUTHWEST LOWER MICHIGAN EARLIER THIS MORNING HAD NOW MOVED INTO SOUTH CENTRAL LOWER MICHIGAN. NO PRECIPITATION IS BEING REPORTED ACROSS NORTHERN ILLINOIS...SO RAINFALL IS NOT EXPECTED THROUGH MIDDAY. SHOWERS AND THUNDERSTORMS COULD REDEVELOP LATER THIS AFTERNOON...SO YOU ARE URGED TO MONITOR YOUR LOCAL MEDIA STATION AND NOAA WEATHER RADAR FOR FURTHER UPDATES ON THIS FLOODING SITUATION. 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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. IF FLOOD WATERS THREATEN YOUR LOCATION YOU SHOULD MOVE TO HIGHER GROUND. RJD &
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 10, 5:45 AM EDT, 2 hours 45 minutes before
MIZ064-065-071>073-077>080-101200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND RAPIDS MI 545 AM EDT FRI MAY 10 1996 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF SOUTHWEST AND SOUTH CENTRAL LOWER MICHIGAN UNTIL 1000 AM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE COUNTIES OF ALLEGAN... BARRY... VAN BUREN... KALAMAZOO... CALHOUN... BERRIEN... CASS... ST. JOSEPH... AND BRANCH UNTIL 1000 AM FRIDAY MORNING. THIS INCLUDES THE COMMUNITIES OF SAUGATUCK... HASTINGS... SOUTH HAVEN... KALAMAZOO... BATTLE CREEK... NEW BUFFALO... THREE RIVERS... AND COLDWATER. AT 540 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED STRONG SHOWERS AND THUNDERSTORMS STRETCHING FROM MUSKEGON AND HOLLAND... SOUTHEAST THROUGH GRAND RAPIDS AND IONIA... TO THE LANSING AREA. SOME OF THESE STORMS CONTAINED VERY HEAVY RAINFALL. NORTH AND SOUTH OF THAT LINE... SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED... BUT MUCH WEAKER IN INTENSITY. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT 40 MPH. A LINE OF VERY STRONG THUNDERSTORMS WAS JUST DEPARTING THE MILWAUKEE AND CHICAGO AREAS AND HEADING OUT OVER SOUTHWEST LAKE MICHIGAN AT 540 AM. THIS LINE OF STORMS SHOULD REACH NEW BUFFALO BY 615 AM... THEN CONTINUE EAST TO HOPKINS... KALAMAZOO... AND THREE RIVERS BY 645 AM. THIS LINE OF STORMS COULD CONTAIN LARGE HAIL... DAMAGING WINDS... AND VERY HEAVY RAINFALL. LOCALIZED FLOODING IS LIKELY WITH SOME OF THESE STORMS. IF SEVERE WEATHER IS OBSERVED... REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. DURING A SEVERE THUNDERSTORM WATCH... BE READY TO MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR* POSSIBLE... IF A WARNING IS ISSUED. THE KEY TO SURVIVAL IS ADVANCE PLANNING. KNOW WHERE THE SAFEST AREAS OF YOUR HOME OR BUSINESS ARE... SUCH AS INTERIOR ROOMS ON THE LOWEST FLOOR POSSIBLE. MJK
The office that day
Everything else NWS Grand Rapids, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 12:03 AM EDT | Severe Thunderstorm Warning | GRR | Berrien | 42 min |
| May 10, 12:11 AM EDT | Flash Flood Warning | GRR | Berrien, Cass | 3 hr |
| May 10, 3:08 AM EDT | Flash Flood Warning | GRR | Berrien, Cass | 5 hr |
| May 10, 2:40 PM EDT | Flash Flood Warning | GRR | Berrien, Cass | 6 hr |
Nearby
Flash Flood Warnings in Michigan, 1996Every flash flood warning 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.