Alert archive / Michigan / Flash Flood Warnings in 2000

Flash Flood Warning 1, NWS Gaylord, MI

May 12, 2000Manistee County, Wexford County, Michigan

NWS Gaylord, MI issued this flash flood warning at May 12, 2000, 4:46 PM EDT for Manistee County, Wexford County, Michigan. It was in force for 5 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 12, 2000, 4:46 PM EDT (20:46 UTC)
Expired
May 12, 2000, 10:00 PM EDT
In force
5 hr
Issued by
NWS Gaylord, MI
Area
Whole counties

Counties Manistee County, MI, Wexford County, MI

The radar

The NCL Michigan radar (KAPX), 118 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 174 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 2000-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2000-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
15 J/kg
Mixed-layer CIN
-508 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KAPX 122045
FFWAPX
MIC101-165-130200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
446 PM EDT FRI MAY 12 2000

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MANISTEE COUNTY IN NORTHERN LOWER MICHIGAN
  WEXFORD COUNTY IN NORTHERN LOWER MICHIGAN

* UNTIL 1000 PM EDT

* WIDEPSREAD FLOODING HAS BEEN REPORTED ACROSS SOUTHERN PORTIONS OF
  MANISTEE AND WEXFORD COUNTIES...WITH UP TO 6 INCHES OF WATER COVERING
  SOME AREA ROADWAYS.

* DOPPLER RADAR RAINFALL ESTIMATES BETWEEN 1 AND 2 INCHES OF RAIN IN
  LESS THAN AN HOUR FELL OVER THIS REGION.  ADDITIONAL RAINFALL IS
  POSSIBLE AS MORE SHOWERS AND THUNDERSTORMS MOVE IN FROM WISCONSIN.
  ONE TO TWO ADDITIONAL INCHES OF RAINFALL IS POSSIBLE DURING THE
  EARLY EVENING.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE RAPID FLOODING OF SMALL
CREEKS AND STREAMS...ROADWAYS AND UNDERPASSES...AS WELL AS OTHER
DRAINAGE AREAS AND LOW LYING SPOTS.  MOTORISTS SHOULD AVOID AREAS
WHERE WATER COVERS THE ROAD.

JPB

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 1:44 PM EDTSevere Thunderstorm WarningAPXManistee61 min
May 12, 2:25 PM EDTSevere Thunderstorm WarningAPXWexford50 min
May 12, 2:57 PM EDTSevere Thunderstorm WarningAPXMissaukee48 min
May 12, 3:27 PM EDTSevere Thunderstorm WarningAPXRoscommon48 min
May 12, 4:16 PM EDTSevere Thunderstorm WarningAPXOgemaw44 min
May 12, 4:23 PM EDTTornado WarningAPXArenac, Gladwin37 min
May 12, 4:33 PM EDTSevere Thunderstorm WarningAPXIosco42 min
May 12, 4:40 PM EDTTornado WarningAPXIosco35 min
May 12, 5:10 PM EDTSevere Thunderstorm WarningAPXMissaukee, Roscommon50 min
May 12, 6:11 PM EDTSevere Thunderstorm WarningAPXAntrim49 min
May 12, 6:11 PM EDTSevere Thunderstorm WarningAPXLeelanau49 min
May 12, 6:29 PM EDTSevere Thunderstorm WarningAPXCharlevoix, Emmet46 min
May 12, 7:06 PM EDTSevere Thunderstorm WarningAPXAlcona24 min

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.