Alert archive / Michigan / Flash Flood Warnings in 1994

Flash Flood Warning 1, NWS Gaylord, MI

February 20, 1994Alpena County, Michigan

NWS Gaylord, MI issued this flash flood warning at Feb 20, 1994, 6:05 AM EST for Alpena County, Michigan. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 20, 1994, 6:05 AM EST (11:05 UTC)
Expired
Feb 20, 1994, 12:00 PM EST
In force
6 hr
Issued by
NWS Gaylord, MI
Area
Whole counties

County Alpena County, MI

The nearest sounding before it

Sault Ste Marie, MI (KY62), launched 00:00Z, 11.1 hours before the alert went out and 169 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, Sault Ste Marie, MI at 00:00Z on 1994-02-20Temperature 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, Sault Ste Marie, MI at 00:00Z on 1994-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 319 square meters per square second.1939587897117136Sfc1 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
517 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
319 m²/s²
0-3 km storm-relative helicity
416 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Flash Flood Warnings in Michigan, 1994Every flash flood warning in 1994

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.