Alert archive / New York / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 10, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 27, 1987, 2:23 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Jun 27, 1987, 2:23 PM EDT (18:23 UTC)
- Expired
- Jun 27, 1987, 3:30 PM EDT
- In force
- 67 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
Counties Allegany County, NY, Cattaraugus 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, 6.4 hours before the alert went out and 80 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
- 151 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 976 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 22 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 271823 SVRBUF NYC009-003-271930- BULLETIN IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 223 PM EDT SAT JUN 27 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE 330 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES IN WESTERN NEW YORK...CATTARAUGUS AND ALLEGANY AT 220 PM EDT BUFFALO RADAR INDICATED A SEVERE THUNDERSTORM LOCATED JUST SOUTH OF SALAMANCA NEW YORK MOVING NORTHEAST AT 35 MPH. 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 TO A SAFE PLACE IMMEDIATELY. IN HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION. DUNHAM
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 27, 11:50 AM EDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 1130 AM EDT SAT JUN 27 1987 DO NOT USE AFTER 1 PM AT 1130 AM...VERY HEAVY THUNDERSTORMS WERE BEING DETECTED OVER PORTIONS OF GENESEE AND MONROE COUNTIES. HAIL HAD BEEN REPORTED WITH THESE THUNDERSTORMS WITHIN THE PAST HOUR. THESE THUNDERSTORMS WERE PART OF A LARGE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS OVER WESTERN NEW YORK...LAKE ERIE..SOUTHERN ONTARIO...AND WESTERN LAKE ONTARIO. THESE STORMS MAY CONTAIN GUSTY WINDS..FREQUENT LIGHTNING..HEAVY RAIN AND HAIL. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 25 MPH. LEVAN
Special weather statement, Jun 27, 12:50 PM EDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 1230 PM EDT SAT JUN 27 1987 DO NOT USE AFTER 2 PM AT 1230 PM...NUMEROUS HEAVY THUNDERSTORMS WERE BEING DETECTED BY THE BUFFALO RADAR. THE HEAVIEST OF THESE WERE LOCATED OVER MONROE COUNTY OF NEW YORK...THE NIAGARA PENINSULA...THE SOUTH SHORE OF LAKE ONTARIO NORTH OF ROCHESTER...AND SOUTHERN ONTARIO JUST EAST OF LAKE SIMCOE. THESE THUNDERSTORMS WERE PART OF A LARGE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING OVER WESTERN NEW YORK...LAKE ERIE...SOUTHERN ONTARIO AND WESTERN LAKE ONTARIO. THESE STORMS MAY CONTAIN GUSTY WINDS..FREQUENT LIGHTNING..HEAVY RAIN AND HAIL. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 30 MPH. LEVAN
Special weather statement, Jun 27, 1:43 PM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 130 PM EDT SAT JUN 27 1987 DO NOT USE AFTER 3 PM AT 130 PM...NUMEROUS HEAVY THUNDERSTORMS WERE BEING DETECTED BY THE BUFFALO RADAR. THE HEAVIEST OF THESE WERE LOCATED OVER THE EASTERN END OF LAKE ONTARIO NORTH OF NIAGARA ON THE LAKE...OVER SOUTHERN CHAUTAUQUA COUNTY JUST SOUTH OF JAMESTOWN...OVER SOUTHERN WYOMING COUNTY EAST OF ARCADE...AND OVER SOUTHERN ONTARIO JUST SOUTH OF HAMILTON. THESE THUNDERSTORMS WERE PART OF AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS EXTENDING FROM NORTHWEST PENNSYLVANIA TO GEORGIAN BAY. THESE STORMS MAY CONTAIN GUSTY WINDS..FREQUENT LIGHTNING..HEAVY RAIN AND HAIL. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 30 MPH. LEVAN
Nearby
Severe Thunderstorm Warnings in New York, 1987Every severe thunderstorm warning in 1987
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.