Alert archive / New York / Tornado Warnings in 1990

Tornado Warning 1, NWS Burlington, VT

August 28, 1990Cayuga County, Onondaga County, New York

NWS Burlington, VT issued this tornado warning at Aug 28, 1990, 7:30 PM EDT for Cayuga County, Onondaga County, New York. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 28, 1990, 7:30 PM EDT (23:30 UTC)
Expired
Aug 28, 1990, 8:15 PM EDT
In force
45 min
Issued by
NWS Burlington, VT
Area
Whole counties

Counties Cayuga County, NY, Onondaga County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Aug 28, 7:40 PM EDTThunderstorm Wind 0Onondaga, NY
Aug 28, 8:01 PM EDTTornado F0Onondaga, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.5 hours before the alert went out and 189 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, Buffalo Intl Airport, NY at 12:00Z on 1990-08-28Temperature 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, Buffalo Intl Airport, NY at 12:00Z on 1990-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 293 square meters per square second.193958Sfc1 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
1420 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
293 m²/s²
0-3 km storm-relative helicity
313 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 tornado 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, Aug 28, 6:57 PM EDT, 33 minutes before
VTZALL-NY011-280300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
700 PM EDT TUE AUG 28 1990

THUNDERSTORMS WITH HEAVY RAIN AND STRONG GUSTY WINDS ARE SPEEDING TOWARD
NORTHEAST NEW YORK AND NORTHWEST VERMONT.

AT 7 PM A GROUP OF THUNDERSTORMS WERE MOVING RAPIDLY EAST FROM EXTREME
NORTHWEST NEW YORK STATE. THESE STORMS WILL CONTAIN VERY HEAVY DOWNPOURS
...STRONG GUSTY WIND AND FREQUENT LIGHTNING.

THUNDERSTORMS WILL MOVE INTO nFRANKLIN AND ESSEX COUNTIES OF NEW YORK BY
730 PM AND INTO CLINTON COUNTY NEW YORK BETWEEN 745 AND 8 PM.

IF STROMS APPROACH YOU...SEEK SHELTER INDOORS AND REMAIN THERE UNTIL THE
STORMS PASS.

END/ADAMSON...

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 28, 6:43 PM EDTSevere Thunderstorm WarningBTVOnondaga, Oswego62 min
Aug 28, 7:39 PM EDTSevere Thunderstorm WarningBTVMadison, Oneida66 min
Aug 28, 7:47 PM EDTSevere Thunderstorm WarningBTVOnondaga, Oswego58 min

Nearby

Tornado Warnings in New York, 1990Every tornado warning in 1990Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.