Alert archive / Michigan / Flash Flood Warnings in 1996

Flash Flood Warning 11, NWS Grand Rapids, MI

May 16, 1996Berrien County, Michigan

NWS Grand Rapids, MI issued this flash flood warning at May 16, 1996, 4:40 PM EDT for Berrien County, Michigan. It was in force for 12 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 16, 1996, 4:40 PM EDT (20:40 UTC)
Expired
May 17, 1996, 5:00 AM EDT
In force
12 hr
Issued by
NWS Grand Rapids, MI
Area
Whole counties

County Berrien County, MI

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.7 hours before the alert went out and 262 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 1996-05-16Temperature 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 1996-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.19395878Sfc1 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
495 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
108 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 KGRR 162044
FFWGRR
MIC021-170845-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
440 PM EDT THU MAY 16 1996
 
THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 500 AM EDT FRIDAY MORNING
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST LOWER MICHIGAN
 
   ...SOUTHERN BERRIEN COUNTY
 
AT 440 PM EDT... WEATHER SERVICE DOPPLER RADAR SHOWED AN AREA OF
THUNDERSTORMS EXTENDING FROM SOUTH CENTRAL LAKE MICHIGAN... SOUTHEAST
THROUGH SOUTHERN BERRIEN COUNTY TO NORTH INDIANA. THESE STORMS WILL
BRING ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES TO AN AREA THAT HAS
ALREADY SEEN 2 TO 3 INCHES OF RAIN SINCE NOON. THE GROUND IN SOUTH
BERRIEN COUNTY IS ALREADY SATURATED FROM HEAVY RAINFALL LAST WEEK.
NUMEROUS ROADS THAT WERE WASHED OUT THIS PAST WEEKEND AND WERE
TEMPORARILY REPAIRED... MAY AGAIN BE WASHED OUT. MOTORISTS SHOULD USE
EXTREME CAUTION ON SOUTH BERRIEN COUNTY ROADS.
 
THIS WARNING REPLACES THE FLOOD WARNING FOR SOUTH BERRIEN COUNTY ISSUED
EARLIER THIS AFTERNOON.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLhY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AN AREA
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
MJK

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 12:17 PM EDTSevere Thunderstorm WarningGRRBerrien28 min
May 16, 1:16 PM EDTSevere Thunderstorm WarningGRRBerrien29 min
May 16, 2:53 PM EDTFlash Flood WarningGRRBerrien2 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.