Alert archive / New York / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 56, NWS Albany, NY

October 15, 1989Columbia County, Greene County, New York

NWS Albany, NY issued this severe thunderstorm warning at Oct 15, 1989, 12:23 AM EDT for Columbia County, Greene County, New York. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Oct 15, 1989, 12:23 AM EDT (04:23 UTC)
Expired
Oct 15, 1989, 1:30 AM EDT
In force
67 min
Issued by
NWS Albany, NY
Area
Whole counties

Counties Columbia County, NY, Greene 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

Chatham, MA (KCHH), launched 00:00Z, 4.4 hours before the alert went out and 330 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, Chatham, MA at 00:00Z on 1989-10-15Temperature 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, Chatham, MA at 00:00Z on 1989-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
2424 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
172 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 12:23 AM EDTSevere Thunderstorm WarningALYSchoharie67 min

Nearby

Severe Thunderstorm Warnings in New York, 1989Every severe thunderstorm warning in 1989

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.