Alert archive / New York / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 21, NWS Albany, NY

June 21, 1990Fulton County, Montgomery County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 1990, 6:44 PM EDT for Fulton County, Montgomery County, New York. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1990, 6:44 PM EDT (22:44 UTC)
Expired
Jun 21, 1990, 7:45 PM EDT
In force
61 min
Issued by
NWS Albany, NY
Area
Whole counties

Counties Fulton County, NY, Montgomery 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

Albany, NY (KALB), launched 12:00Z, 10.7 hours before the alert went out and 60 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 12:00Z on 1990-06-21Temperature 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 12:00Z on 1990-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
850 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KALB 212245
SVRALB
NYC035-057-212345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
644 PM EDT THU JUN 21 1990
 
THE NATIONAL WEATHER SERVICE IN ALBANY NY  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN EAST NEW YORK
 
   ...SOUTHERN FULTON COUNTY...NORTHERN MONTGOMERY COUNTY
 
A SEVERE THUNDERSTORM WAS BEARING DOWN ON SAINT JOHNSVILLE AT 645 PM
EDT. THE EPHRATAH AND FORT PLAIN AREAS WILL BE AFFECTED BETWEEN 655
AND 705 PM EDT.
 
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 3:32 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer, Montgomery58 min
Jun 21, 3:32 PM EDTSevere Thunderstorm WarningALYHamilton58 min
Jun 21, 4:50 PM EDTSevere Thunderstorm WarningALYMontgomery40 min
Jun 21, 5:03 PM EDTSevere Thunderstorm WarningALYFulton42 min
Jun 21, 5:30 PM EDTSevere Thunderstorm WarningALYGreene, Ulster60 min
Jun 21, 7:15 PM EDTSevere Thunderstorm WarningALYOrange, Putnam60 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.