Alert archive / New York / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 9, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Jun 18, 1990, 9:50 AM EDT for Onondaga County, New York. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1990, 9:50 AM EDT (13:50 UTC)
- Expired
- Jun 18, 1990, 10:45 AM EDT
- In force
- 55 min
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County Onondaga 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, 1.8 hours before the alert went out and 196 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.
- Mixed-layer CAPE
- 18 J/kg
- Mixed-layer CIN
- -301 J/kg
- Mixed-layer LCL
- 824 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSYR 181350
SVRSYR
NYC049-053-065-067-181445-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SYRACUSE NY
950 AM EDT MON JUN 18 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1045 AM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE STATE OF NEW YORK
LEWIS...MADISON...ONEIDA...ONONDAGA
AT 9 45 AM EDT RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM
EASTERN JEFFERSON COUNTY SOUTH TO SYRACUSE MOVING EAST AT 40 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
BARTHOLFWhat 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 18, 8:01 AM EDT, 1 hour 49 minutes before
VTZ001-NYZ011-181500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 759 AM EDT MON JUN 18 1990 ...BOATERS ON LAKE CHAMPLAIN SHOULD KEEP A CLOSE EYE ON THE WEATHER TODAY... A LAKE WIND ADVISORY IS IN EFFECT FOR SOUTH WINDS OF 15 TO 30 KNOTS. IN ADDITION...THUNDERSTORMS WILL BE DEVELOPING TODAY...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS. THESE THUNDERSTORMS COULD CONTAIN HEAVY RAIN...GUSTY AND SHIFTING WINDS...FREQUENT LIGHTNING ...AND POSSIBLY SOME HAIL. THE THUNDERSTORMS WILL BE DEVELOPING IN WESTERN NEW YORK AND IN THE ADIRONDACKS...AND WILL BE MOVING INTO THE CHAMPLAIN VALLEY...AND ONTO THE LAKE. IF YOU ARE BOATING ON THE LAKE TODAY...KEEP A VERY CLOSE WATCH ON THE WEATHER TODAY...AND BE PREPARED TO HEAD TO SHORE IF THREATENING WEATHER APPROACHES. IF YOU HAVE ACTIVITIES PLANNED ON THE LAKE SHORE...YOU SHOULD BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. REYNOLDS
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:50 AM EDT | Severe Thunderstorm Warning | BTV | Cayuga, Oswego | 55 min |
| Jun 18, 8:50 AM EDT | Severe Thunderstorm Warning | BTV | Jefferson | 55 min |
| Jun 18, 9:50 AM EDT | Severe Thunderstorm Warning | BTV | Lewis, Madison, Oneida | 55 min |
| Jun 18, 11:37 AM EDT | Severe Thunderstorm Warning | BTV | Clinton | 68 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.