Alert archive / New York / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 17, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 11, 1987, 5:40 PM EDT for Cattaraugus County, Chautauqua County, Erie County, New York. It was in force for 60 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
- Sep 11, 1987, 5:40 PM EDT (21:40 UTC)
- Expired
- Sep 11, 1987, 6:40 PM EDT
- In force
- 60 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
Counties Cattaraugus County, NY, Chautauqua County, NY, Erie 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 11, 5:55 PM EDT | Thunderstorm Wind 0 | Chautauqua, NY | |
| Sep 11, 5:55 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, 9.7 hours before the alert went out and 59 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1492 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 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 11, 3:44 PM EDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 340PM EDT FRI SEP 11 1987 STRONG THUNDERSTORMS ALONG THE CHAUTAUQUA COUNTY SHORES OF LAKE ERIE... AT 335PM... BUFFALO WEATHER RADAR OBSERVED STRONG THUNDERSTORMS OVER LAKE ERIE BETWEEN ERIE PENNSYLVANIA AND WESTFIELD NEW YORK. SOME OF THESE STORMS MAY CONTAIN FREQUENT LIGHTNING... GUSTY WINDS... HEAVY RAIN AND POSSIBLY HAIL. THESE STORMS COULD AFFECT PORTIONS OF CHAUTAUQUA AND SOUTHERN ERIE COUNTIES DURING THE NEXT HOUR. ANOTHER HEAVY THUNDERSTORM WAS JUST WEST OF NIAGARA FALLS. SHOWERS AND SCATTERED THUNDERSTORMS CONTINUED OVER ONTARIO BETWEEN LONDON AND LAKE SIMCOE... AND OVER PORTIONS OF NORTHWEST PENNSYLV}ANIA AND NORTHEAST OHIO. THE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR. WEBBER
Special weather statement, Sep 11, 4:48 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 445PM EDT FRI SEP 11 1987 STRONG THUNDERSTORMS ACROSS PORTIONS OF WESTERN NEW YORK AND NORTHWEST PENNSYLVANIA... AT 435PM... BUFFALO WEATHER RADAR OBSERVED STRONG THUNDERSTORMS OVER LAKE ERIE ABOUT 10 MILES NORTHWEST OF SILVER CREEK. A PILOT REPORTED SOME HAIL WITH THIS STORM AT ABOUT 415PM. OTHER STRONG THUNDERSTORMS WERE OVER SOUTHEASTERN NIAGARA COUNTY... ABOUT 7 MILES SOUTHWEST OF BROCKPORT... AND NEAR ERIE PENNSYLVANIA. SOME OF THESE THUNDERSTORMS MAY CONTAIN FREQUENT LIGHTNING... GUSTY WINDS... HEAVY DOWNPOURS WHICH MAY CAUSE POOR DRAINAGE FLOODING AND POSSIBLY HAIL. THE THUNDERSTORMS MAY MOVE INTO PORTIONS OF CHAUTAUQUA AND ERIE COUNTIES DURONG THE NEXT HOUR. THE THUNDERSTORMS WERE MOVING EAST AT 20 MILES AN HOUR. SHOULD THREATENING WEATHER APPROACH GO TO A PLACE OF SAFETY IMMEDIATELY. WEBBER
Special weather statement, Sep 11, 4:48 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ROCHESTER NY 448 PM EDT FRI SEP 11 1987 ...THUNDERSTORM MOVING INTO MONROE COUNTY AN ISOLATED THUNDERSTORM IS MOVING ACROSS NORTHWESTERN MONROE COUNTY AND IS MOVING NORTHEASTWARD AT 25 MPH. THIS THUNDERSTORM IS EXPECTED TO MOVE OVER BROCKPORT AND THEN OVER LAKE ONTARIO DURING THE NEXT 15 TO 30 MINUTES. $$REC
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 6:45 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Erie, Wyoming | 60 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.