Alert archive / New York / Flash Flood Warnings in 1992

Flash Flood Warning 54, NWS New York, NY

December 11, 1992Bronx County, Westchester County, New York

NWS New York, NY issued this flash flood warning at Dec 11, 1992, 10:07 PM EST for Bronx County, Westchester County, New York. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Dec 11, 1992, 10:07 PM EST (03:07 UTC)
Expired
Dec 12, 1992, 1:00 AM EST
In force
3 hr
Issued by
NWS New York, NY
Area
Whole counties

Counties Bronx County, NY, Westchester County, NY

The nearest sounding before it

Albany, NY (KALB), launched 00:00Z, 3.1 hours before the alert went out and 189 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, Albany, NY at 00:00Z on 1992-12-12Temperature 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, Albany, NY at 00:00Z on 1992-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 669 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
0 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
669 m²/s²
0-3 km storm-relative helicity
1010 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Dec 11, 6:35 PM EST, 3 hours 32 minutes before
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The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 12, 1:00 AM ESTFlash Flood WarningOKXWestchester4 hr

Nearby

Flash Flood Warnings in New York, 1992Every flash flood warning in 1992

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.