Alert archive / New York / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 40, NWS New York, NY

August 4, 1992Putnam County, New York

NWS New York, NY issued this severe thunderstorm warning at Aug 4, 1992, 6:19 AM EDT for Putnam County, New York. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Aug 4, 1992, 6:19 AM EDT (10:19 UTC)
Expired
Aug 4, 1992, 7:00 AM EDT
In force
41 min
Issued by
NWS New York, NY
Area
Whole counties

County Putnam County, NY

The nearest sounding before it

Albany, NY (KALB), launched 00:00Z, 10.3 hours before the alert went out and 141 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 1992-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 812 joules per kilogram.LCLEL10008507005003002001001 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 1992-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939587897Sfc1 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
812 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
1218 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.6

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 4, 3:47 PM EDTSevere Thunderstorm WarningOKXMiddlesex43 min
Aug 4, 4:14 PM EDTSevere Thunderstorm WarningOKXMonmouth61 min
Aug 4, 6:19 AM EDTSevere Thunderstorm WarningOKXRockland, Westchester41 min
Aug 4, 5:51 PM EDTSevere Thunderstorm WarningOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region54 min

Nearby

Severe Thunderstorm Warnings in New York, 1992Every severe thunderstorm 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.