Alert archive / New York / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 17, NWS Albany, NY

June 21, 1990Hamilton County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 1990, 3:32 PM EDT for Hamilton County, New York. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1990, 3:32 PM EDT (19:32 UTC)
Expired
Jun 21, 1990, 4:30 PM EDT
In force
58 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, 7.5 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 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

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, Jun 21, 3:06 PM EDT, 26 minutes before
NYZ006>012-019-020-212100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
305 PM EDT THU JUN 21 1990

...A SEVERE THUNDERSTORM WATCH WAS IN EFFECT UNTIL 8 O/CLOCK THIS
EVENING IN MUCH OF UPSTATE EASTERN NEW YORK...

A SEVERE THUNDERSTORM WATCH WAS IN EFFECT UNTIL 8 O/CLOCK THIS
EVENING IN ALL OF UPSTATE EASTERN NEW YORK EXCEPT FOR MOST OF THE
HUDSON VALLEY...AND THE SOUTHEASTERN CATSKILLS.  HOWEVER IN THE UPPER
PART OF THE HUDSON VALLEY AREA...THE WATCH WAS IN EFFECT FOR THE LAKE
GEORGE REGION...AND SARATOGA COUNTY IN THE CAPITAL DISTRICT.

AT 3 O/CLOCK...AN AREA OF THUNDERSTORMS ASSOCIATED WITH DOWNPOURS AND
FREQUENT LIGHTNING WAS MOVING ACROSS CENTRAL NEW YORK AT MID AFTERNOON.
SOME OF THESE STORMS MAY GENERATE DAMAGING WIND IN EXCESS OF 60 MILES
AN HOUR...AND LARGE HAIL.

THE THUNDERSTORMS COVERED A LARGE AREA FROM NEAR WATERTOWN...IN
CENTRAL JEFFERSON COUNTY TO NORTHERN PENNSYLVANIA...JUST SOUTH OF
BINGHAMTON.  THE EASTERN EDGE OF THE AREA WAS FROM THE LEWIS/HERKIMER
COUNTY LINE TO NEAR BINGHAMTON.  THESE THUNDERSTORMS WERE MOVING
EAST...ABOUT 40 MILES AN HOUR.  AT 4 O/CLOCK...THUNDERSTORMS WILL BE
APPROACHING RAQUETTE LAKE...IN NORTHERN HAMILTON COUNTY ANDU ENTERING
FULTON AND MONTGOMERY COUNTIES.

HEMMERICH
Special weather statement, Jun 21, 3:27 PM EDT, 5 minutes before
NYZ006>012-019-020-212100-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE ALBANY NY
330 PM EDT THU JUN 21 1990

...A SEVERE THUNDERSTORM WATCH WAS IN EFFECT UNTIL 8 O/CLOCK THIS
EVENING IN MUCH OF UPSTATE EASTERN NEW YORK...

A SEVERE THUNDERSTORM WATCH WAS IN EFFECT UNTIL 8 O/CLOCK THIS
EVENING IN ALL OF UPSTATE EASTERN NEW YORK EXCEPT FOR MOST OF THE
HUDSON VALLEY...AND THE SOUTHEASTERN CATSKILLS.  HOWEVER IN THE UPPER
PART OF THE HUDSON VALLEY AREA...THE WATCH WAS IN EFFECT FOR THE LAKE
GEORGE REGION...AND SARATOGA COUNTY IN THE CAPITAL DISTRICT.

AT 3 O/CLOCK...AN AREA OF THUNDERSTORMS ASSOCIATED WITH DOWNPOURS AND
FREQUENT LIGHTNING WAS MOVING ACROSS CENTRAL NEW YORK.  SOME OF THESE
STORMS MAY GENERATE DAMAGING WIND IN EXCESS OF 60 MILES  AN HOUR...AND
LARGE HAIL.

THE THUNDERSTORMS COVERED A LARGE AREA FROM NEAR WATERTOWN...IN
CENTRAL JEFFERSON COUNTY TO NORTHERN PENNSYLVANIA...JUST SOUTH OF
BINGHAMTON.  THE EASTERN EDGE OF THE AREA WAS FROM THE LEWIS/HERKIMER
COUNTY LINE TO NEAR BINGHAMTON.  THESE THUNDERSTORMS WERE MOVING
EAST...ABOUT 40 MILES AN HOUR.  AT 4 O/CLOCK...THUNDERSTORMS WILL BE
APPROACHING RAQUETTE LAKE...IN NORTHERN HAMILTON COUNTY AND ENTERING
FULTON AND MONTGOMERY COUNTIES.

HEMMERICH

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, 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, 6:44 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery61 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.