Alert archive / New York / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 21, NWS Albany, NY

July 10, 1989Hamilton County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 10, 1989, 12:16 PM EDT for Hamilton County, New York. It was in force for 74 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1989, 12:16 PM EDT (16:16 UTC)
Expired
Jul 10, 1989, 1:30 PM EDT
In force
74 min
Issued by
NWS Albany, NY
Area
Whole counties

County Hamilton 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, 4.3 hours before the alert went out and 121 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 1989-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 111 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, Albany, NY at 12:00Z on 1989-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
111 J/kg
Mixed-layer CIN
-212 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KALB 101616 RRA
SVRALB
NYC041-101730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE ALBANY NY
1216 PM EDT MON JUL 10 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 130 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE STATE OF NEW YORK
      HAMILTON

WEATHER RADAR INDICATED THAT A SEVERE THUNDERSTORM WILL BE
ENTERING NORTHERN HAMILTON COUNTY BY 1230 PM. IT/LL CROSS THE
COUNTY LINE AROUND SABATTIS. THE STORM WAS MOVING TO THE SOUTHEAST
AT 35 MPH.  IT/LL CROSS THE TUPPER LAKE AREA BETWEEN 1240 AND
1250 PM.

IF YOU ARE IN AN AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...VERY HEAVY
RAIN AND LIGHTNING.

INTENSE LIGHTNING WAS REPORTED WITH THIS STORM.  IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS.  MOVE INDOORS IF POSSIBLE.  WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.

 KANE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 7:00 AM EDTSevere Thunderstorm WarningALYHamilton60 min
Jul 10, 7:50 AM EDTSevere Thunderstorm WarningALYFulton, Montgomery55 min
Jul 10, 8:05 AM EDTSevere Thunderstorm WarningALYHamilton55 min
Jul 10, 8:22 AM EDTSevere Thunderstorm WarningALYSchenectady53 min
Jul 10, 8:39 AM EDTSevere Thunderstorm WarningALYAlbany66 min
Jul 10, 9:13 AM EDTSevere Thunderstorm WarningALYRensselaer22 min
Jul 10, 10:02 AM EDTSevere Thunderstorm WarningALYRensselaer43 min
Jul 10, 11:14 AM EDTSevere Thunderstorm WarningALYFranklin61 min
Jul 10, 12:34 PM EDTSevere Thunderstorm WarningALYHerkimer56 min
Jul 10, 1:34 PM EDTSevere Thunderstorm WarningALYSaratoga, Washington56 min
Jul 10, 2:21 PM EDTSevere Thunderstorm WarningALYMontgomery, Schenectady, Schoharie69 min
Jul 10, 2:40 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer65 min
Jul 10, 3:12 PM EDTSevere Thunderstorm WarningALYGreene63 min
Jul 10, 3:33 PM EDTSevere Thunderstorm WarningALYColumbia57 min
Jul 10, 4:20 PM EDTSevere Thunderstorm WarningALYDutchess55 min
Jul 10, 5:12 PM EDTSevere Thunderstorm WarningALYSullivan63 min
Jul 10, 5:25 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster65 min
Jul 10, 5:46 PM EDTSevere Thunderstorm WarningALYPutnam44 min
Jul 10, 5:46 PM EDTSevere Thunderstorm WarningALYColumbia44 min
Jul 10, 6:53 PM EDTSevere Thunderstorm WarningALYOrange37 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.