Alert archive / Michigan / Flash Flood Warnings in 1986
Flash Flood Warning 2, NWS Gaylord, MI
NWS Gaylord, MI issued this flash flood warning at Sep 10, 1986, 11:02 PM EDT for Muskegon County, Newaygo County, Oceana County, Michigan. It was in force for 118 min.
The area
The counties it named.
The facts
- Issued
- Sep 10, 1986, 11:02 PM EDT (03:02 UTC)
- Expired
- Sep 11, 1986, 1:00 AM EDT
- In force
- 118 min
- Issued by
- NWS Gaylord, MI
- Area
- Whole counties
Counties Muskegon County, MI, Newaygo County, MI, Oceana 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
Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.0 hours before the alert went out and 194 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
- 7 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 664 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 65 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 KMKG 110302 FFWMKG MIC127-121-123-110500- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MUSKEGON MI 1102 PM EDT WED SEP 10 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 100 AM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WEST CENTRAL LOWER MICHIGAN...OCEANA...NORTHERN MUSKEGON AND NEWAYGO AT 1055PM EDT RADAR INDICATED NUMEROUS RAINSHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN OVER WEST CENTRAL LOWER MICHIGAN. THE STORMS STRETCHES ACROSS LAKE MICHIGAN INTO WISCONSIN AND WERE MOVING EAST AT 35 MILES AN HOUR. THIS EASTWARD MOVEMENT..WITH NEW STORMS DEVELOPING OVER WISCONSIN WILL CONTINUE TO DUMP RAIN ON SATURATED GROUND. RADAR INDICATES SOME AREAS IN OCEANA..NORTHERN MUSKEGON..AND NEWAYGO COUNTIES TO HAVE RECEIVED IN EXCESS OF 6 INCHES OF RAINFALL. SMALL STREAMS AND NORMALLY DRY CREEKBEDS WILL RAPIDLY BECOME FLOODED. A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR HAS BEEN REPORTED. TAKE ACTION TO SAFEGUARD LIFE AND PROPERTY. PERSONS ALONG CREEKS AND SMALL STREAMS SHOULD BE ALERT FOR THE RAPIDLY RISING WATER THAT NORMALLY LAGS BEHIND THE HEAVIEST RAINFALL AND BE PREPARED TO MOVE TO SAFETY. REMEMBER...DO NOT ATTEMPT TO CROSS WATER COVERED ROADWAYS. GALLOWAY
The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 8:16 PM EDT | Severe Thunderstorm Warning | APX | Muskegon, Newaygo | 59 min |
| Sep 10, 9:10 PM EDT | Flash Flood Warning | APX | Muskegon, Newaygo | 110 min |
| Sep 11, 3:35 AM EDT | Flash Flood Warning | APX | Lake, Mecosta, Osceola | 4 hr |
| Sep 11, 3:35 AM EDT | Flash Flood Warning | APX | Mason | 4 hr |
| Sep 11, 6:15 AM EDT | Flash Flood Warning | APX | Muskegon | 105 min |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Muskegon, Newaygo, Oceana | 4 hr |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Lake, Mecosta, Osceola | 4 hr |
| Sep 11, 7:37 AM EDT | Flash Flood Warning | APX | Mason | 4 hr |
| Sep 11, 11:40 AM EDT | Flash Flood Warning | APX | Oceana | 3 hr |
| Sep 11, 7:49 PM EDT | Flash Flood Warning | APX | Oceana | 2 hr |
Nearby
Flash Flood Warnings in Michigan, 1986Every flash flood warning in 1986
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.