Alert archive / New York / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 68, NWS Binghamton, NY

July 20, 1990Steuben County, New York

NWS Binghamton, NY issued this severe thunderstorm warning at Jul 20, 1990, 12:35 PM EDT for Steuben County, New York. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 20, 1990, 12:35 PM EDT (16:35 UTC)
Expired
Jul 20, 1990, 1:30 PM EDT
In force
55 min
Issued by
NWS Binghamton, NY
Area
Whole counties

County Steuben County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.6 hours before the alert went out and 130 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, Buffalo Intl Airport, NY at 12:00Z on 1990-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 34 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, Buffalo Intl Airport, NY at 12:00Z on 1990-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
34 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1104 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Binghamton, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 20, 3:07 PM EDTSevere Thunderstorm WarningBGMOtsego68 min
Jul 20, 3:11 PM EDTSevere Thunderstorm WarningBGMChemung64 min
Jul 20, 4:17 PM EDTSevere Thunderstorm WarningBGMDelaware58 min

Nearby

Severe Thunderstorm Warnings in New York, 1990Every severe thunderstorm warning in 1990

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.