Alert archive / New York / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 8, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 2, 1989, 11:55 AM EDT for Niagara County, New York. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Aug 2, 1989, 11:55 AM EDT (15:55 UTC)
- Expired
- Aug 2, 1989, 1:00 PM EDT
- In force
- 65 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Niagara 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.9 hours before the alert went out and 27 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
- 104 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBUF 021555
SVRBUF
NYC063-021700-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1155 AM EDT WED AUG 2 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 100 PM EDT FOR
PEOPLE IN THE FOLLOWING COUNTY
IN THE STATE OF NEW YORK
NIAGARA
...THIS WARNING ALSO INCLUDES THE ADJACENT LAKE WATERS FOR THE
COUNTY JUST MENTIONED
AT 1150 AM BUFFALO RADAR DETECTED A SEVERE THUNDERSTORM OVER LAKE
ONTARIO ABOUT 15 MILES NORTH OF WILSON. THIS STORM HAS A HISTORY
OF PRODUCING STRONG DAMAGING WINDS AND HAIL.
THE STORM WAS MOVING SOUTHEAST AT 30 TO 40 MPH AND WILL CROSS
NIAGARA COUNTY DURING THE NEXT HOUR.
BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY FREQUENT LIGHTNING
STRONG DAMAGING WINDS AND LARGE HAIL. LOCALLY HEAVY RAIN MAY ALSO
CAUSE DRAINAGE FLOODING.
.
IF THREATENING WEATHER APPROACHES GO TVO A SAFE PLACE IMMEDIATELY.
IN HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION.
ALL MARINE INTERESTS SHOULD REMAIN ALERT AND SMALL BOATS TAKE
SHELTER IMMEDIATELY.
NIZIOLWhat 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, Aug 2, 10:49 AM EDT, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER NY 1050 AM EDT WED AUG 2 1989 ...RAIN MOVING INTO THE GREATER ROCHESER AREA... A LARGE AREA OF RAIN COVERING WESTERN LAKE ONTARIO AND EXTENDING NORTH WEST INTO ONTARIO CANADA HAS BEEN MOVING SOUTHEAST AT 35 MILES AN HOUR. RAIN WILL OVERSPREAD THE GREATER ROCHESTER AREA BY NOON. ENGLISH
Special weather statement, Aug 2, 11:48 AM EDT, 7 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 1145 AM EDT WED AUG 2 1989 ... THUNDERSTORMS AFFECTING WESTERN LAKE ONTARIO... AT 1135AM... WEATHER SERVICE RADAR INDICATED A THUNDERSTORM ALONG THE NORTH SHORE OF LAKE ONTARIO NEAR TORONTO. AMATEUR RADIO SPOTTERS REPORTED ONE HALF INCH DIAMETER HAIL WITH THIS STORM NEAR AURORA ONTARIO AT ABOUT 11 AM. THERE HAVE ALSO BEEN REPORTS OF WIND DAMAGE ASSOCIATED WITH THIS STORM THE THUNDERSTORM WAS MOVING SOUTHEAST AT 35 MILES AN HOUR... AND MAY CONTAIN STRONG GUSTY WINDS... VERY HEAVY RAINS... FREQUENT LIGHTNING... AND POSSIBLY HAIL. THE STORM MAY REACH PARTS OF THE NIAGARA AND ORLEANS COUNTY SHORELINES BETWEEN NOON AND 1230 PM. ELSEWHERE... SHOWERS AND SCATTERED THUNDERSTORMS WERE OVER PORTIONS OF NIAGARA... ORLEANS... GENESEE... WESTERN MONROE... AND NORTHERN ERIE COUNTIES... MUCH OF LAKE ONTARIO... PORTIONS OF THE NIAGARA PENINSULA... AND SOUTHERN ONTAORIO BETWEEN LAKE SIMCOE... TORONTO... AND KINGSTON. THE SHOWERS AND THUNDERSTORMS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR. SHOULD THREATENING WEATHER APPROACH... GO TO A SAFE PLACE IMMEDIATELY. WEBBER
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.