Alert archive / New York / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 31, NWS Albany, NY

July 4, 1990Franklin County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 4, 1990, 3:45 PM EDT for Franklin County, New York. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1990, 3:45 PM EDT (19:45 UTC)
Expired
Jul 4, 1990, 4:45 PM EDT
In force
60 min
Issued by
NWS Albany, NY
Area
Whole counties

County Franklin 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

Gray, ME (KGYX), launched 12:00Z, 7.8 hours before the alert went out and 331 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, Gray, ME at 12:00Z on 1990-07-04Temperature 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, Gray, ME at 12:00Z on 1990-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
3605 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
198 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 4, 1:27 PM EDT, 2 hours 18 minutes before
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Special weather statement, Jul 4, 3:24 PM EDT, 21 minutes before
NYZ007-008-011-012-018-052100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
325 PM EDT WED JUL 4 1990

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR NORTHEASTERN NEW
YORK AND NORTHERN VERMONT...

A SEVERE THUNDERSTORM WATCH WAS ISSUED FOR NORTHEASTERN NEW YORK AND
NORTHERN VERMONT.  THE WATCH WAS IN EFFECT FROM 3 O/CLOCK UNTIL 10
O/CLOCK TONIGHT.  THE WATCH MEANS THAT WIND IN EXCESS OF 58 MILES AN
HOUR AND LARGE HAIL IS POSSIBLE IN SOME OF THE THUNDERSTORMS.

AT 315 PM EDT...A LINE OF THUNDERSTORMS WAS FROM NORTHERN ST LAWRENCE
COUNTY...NEAR MASSENA...TO CENTRAL ESSEX COUNTY IN NORTHERN VERMONT.
MANY OF THE STORMS WERE ASSOCIATED WITH DOWNPOURS...NONE OF THE STORMS
APPREARED TO HAVE STRONG WIND OR HAIL.  THE STORMS ARE MOVING EAST
SOUTHEAST AT ABOUT 20 MILES AN HOUR.

IF YOU/RE BOATING...HEAD FOR SHORE AT THE FIRST SIGN OF THREATENING
WEATHER.  MOTORISTS SHOULD BE PREPARED FOR BLINDING RAIN.  IF YOU
ENCOUNTER VERY HEAVY RAIN...PULL OVER AND WAIT TIL IT LETS UP BEFORE
DRIVING.

IT ALMOST GOES WITHOUT SAYING...BUT LIGHTNING IS EXTREMELY DANGEROUS.
IT/S THE NUMBER ONE KILLER IN A THUNDERSTORM.  SO DON/T REMAIN OUT OF
DOORS IF A THUNDERSTORM THREATENS YOUR AREA.

HEMMERICH

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.