Alert archive / Michigan / Flash Flood Warnings in 2000

Flash Flood Warning 4, NWS Gaylord, MI

September 1, 2000Leelanau County, Michigan

NWS Gaylord, MI issued this flash flood warning at Sep 1, 2000, 6:52 PM EDT for Leelanau County, Michigan. It was in force for 4 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
Sep 1, 2000, 6:52 PM EDT (22:52 UTC)
Expired
Sep 1, 2000, 11:00 PM EDT
In force
4 hr
Issued by
NWS Gaylord, MI
Area
Whole counties

County Leelanau County, MI

The radar

The NCL Michigan radar (KAPX), 107 km from the middle of the area, began a volume at 22:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.9 hours before the alert went out and 179 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, Green Bay/Straub, WI at 12:00Z on 2000-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 350 joules per kilogram.LCLLFCEL10008507005003002001001 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, Green Bay/Straub, WI at 12:00Z on 2000-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.193958Sfc1 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
350 J/kg
Mixed-layer CIN
-302 J/kg
Mixed-layer LCL
823 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS53 KAPX 012252
FFWAPX
MIC089-020245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
652 PM EDT FRI SEP 1 2000

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LEELANAU COUNTY IN NORTHERN LOWER MICHIGAN

* UNTIL 1100 PM EDT

* AT 644 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING 4
  MILES SOUTHWEST OF SUTTONS BAY...OR ABOUT 15 MILES NORTHWEST OF
  TRAVERSE CITY.

* DOPPLER RADAR RAINFALL ESTIMATES BETWEEN 3.0 AND 3.5 INCHES
  WERE RECORDED OVER THIS REGION BETWEEN 400 PM AND 630PM
  WITH ADDITIONAL RAINFALL EXPECTED.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TOW
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.

LUTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 5:52 PM EDTSevere Thunderstorm WarningAPXGrand Traverse38 min
Sep 1, 6:36 PM EDTFlash Flood WarningAPXGrand Traverse3 hr

Nearby

Flash Flood Warnings in Michigan, 2000Every flash flood warning in 2000

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; radar from the NEXRAD Level II archive.