Alert archive / New York / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 22, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 26, 1986, 2:00 PM EDT for Chautauqua County, New York. It was in force for 60 min. 1 report 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
- Sep 26, 1986, 2:00 PM EDT (18:00 UTC)
- Expired
- Sep 26, 1986, 3:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Chautauqua 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 26, 2:30 PM EDT | Thunderstorm Wind 0 | Chautauqua, 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, 6.0 hours before the alert went out and 91 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
- 888 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBUF 261752 SVRBUF NYC013-261900- BULLETIN IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 200 PM EDT FRI SEP 26 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES IN WESTERN NEW YORK...CHAUTAUQUA AT 200 PM...BUFFALO WEATHER RADAR SHOWED AN INTENSE THUNDERSTORM OVER EXTREME NORTHWEST PENNSYLVANIA..JUST EAST OF ERIE. THE THUNDERSTORM WAS MOVING EAST AT 35 MILES AN HOUR AND WILL BE MOVING INTO SOUTHERN CHAUTAUQUA COUNTY WITHIN THE 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 TO A SAFE PLACE IMMEDIATELY. IN HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION. LEVAN
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, Sep 26, 8:37 AM EDT, 5 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 840 AM EDT FRI SEP 26 1986 ...HEAVY THUNDERSTORMS MOVING INTO CHAUTAUQUA COUNTY... AT 830 AM...BUFFALO RADAR SHOWED HEAVY THUNDERSTORMS OCCURRING OVER EXTREME NORTHWEST PENNSYLVANIA AND THE ADJACENT WATERS OF LAKE ERIE. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 40 MPH..AND SHOULD ENTER CHAUTAUQUA COUNTY WITHIN THE NEXT HOUR. SOME OF THESE THUNDERSTORMS MAY PRODUCE VERY HEAVWY RAIN AND FLOODING OF SOME LOW LYING AREAS..ROADS AND UNDERPASSES MAY OCCUR. LEVAN
Special weather statement, Sep 26, 1:44 PM EDT, 16 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
135 PM EDT FRI SEP 26 1986
DO NOT USE AFTER 3PM
... A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM FOR THE WESTERN
SOUTHERN TIER AND CENTRAL SOUTHERN TIER COUNTIES...
AT 130PM AN INTENSE THUNDERSTORM WAS DETECTED JUST NORTH OF ERIE
PENNSYLVANIA. THIS STORM WAS EMBEDDED IN AN AREA OF SHOWERS AND
THUNDERSTORMS ABOUT 70 MILES WIDE THAT EXTENDED FROM NORTHWEST
PENNSYLVANIA..ACROSS LAKE ERIE..AND OVER SOUTHERN ONTARIO BETWEEN
HAMILTON AND LONDON.
THE ACTIVITY WAS MOVING EAST AT 35 MILES AN HOUR.
SOME OF THIS ACTIVITY MAY CONTAIN VERY HEAVY RAIN..FREQUENT LIGHTNING
AND STRONG GUSTY WINDS. BE ON THE9 LOOKOUT FOR THREATENING WEATHER..
AND LISTEN FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 6:55 PM EDT | Severe Thunderstorm Warning | BUF | Niagara, Orleans | 65 min |
Nearby
Severe Thunderstorm Warnings in New York, 1986Every severe thunderstorm warning in 1986
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.