Alert archive / New York / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 92, NWS New York, NY

August 14, 1994Westchester County, New York

NWS New York, NY issued this severe thunderstorm warning at Aug 14, 1994, 12:56 PM EDT for Westchester County, New York. It was in force for 34 min.

The area

The counties it named.

The facts

Issued
Aug 14, 1994, 12:56 PM EDT (16:56 UTC)
Expired
Aug 14, 1994, 1:30 PM EDT
In force
34 min
Issued by
NWS New York, NY
Area
Whole counties

County Westchester County, NY

The nearest sounding before it

Atlantic City In, NJ (KACY), launched 12:00Z, 4.9 hours before the alert went out and 200 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, Atlantic City In, NJ at 12:00Z on 1994-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 243 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, Atlantic City In, NJ at 12:00Z on 1994-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 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
243 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1037 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 3:57 PM EDTSevere Thunderstorm WarningOKXMonmouth33 min

Nearby

Severe Thunderstorm Warnings in New York, 1994Every severe thunderstorm 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.