Alert archive / New York / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 16, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 27, 1993, 9:35 PM EDT for Niagara County, Orleans County, New York. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Jun 27, 1993, 9:35 PM EDT (01:35 UTC)
- Expired
- Jun 27, 1993, 10:30 PM EDT
- In force
- 55 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
Counties Niagara County, NY, Orleans County, NY
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.6 hours before the alert went out and 38 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
- 691 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1210 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBUF 280138 RRA SVRBUF NYC063-073-280230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 935 PM EDT SUN JUN 27 1993 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...S... IN NEW YORK ...NIAGARA COUNTY...ORLEANS COUNTY AT 930 PM BUFFALO RADAR DETECTED A SEVERE THUNDERSTORM OVER SOUTHEASTERN NIAGARA COUNTY. THE STORM HAS A HISTORY OF PRODUCING 1 INCH DIAMETER HAIL OVER THE NIAGARA PENINSULA OF ONTARIO. THE STORM WAS MOVING EAST NORTHEAST AT 35 MILES AN 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. NIZIOL
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
Local storm report, Jun 27, 7:59 PM EDT, 1 hour 36 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
758 PM EDT SUN JUNE 27 1993
TIME/EDT LOCATION/EVENT
755 PM SUN... 3/4 INCH DIAMETER HAIL REPORTED BY SKYWARN OBSERVER
IN THE TOWN OF RIPLEY...SW CHAUTAUQUA COUNTY.
TANLocal storm report, Jun 27, 7:59 PM EDT, 1 hour 36 minutes before
PRELIMINARY STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
758 PM EDT SUN JUNE 27 1993
TIME/EDT LOCATION/EVENT
755 PM SUN... 3/4 INCH DIAMETER HAIL REPORTED BY SKYWARN OBSERVER
IN THE TOWN OF RIPLEY...SW CHAUTAUQUA COUNTY.
TANLocal storm report, Jun 27, 8:09 PM EDT, 1 hour 26 minutes before
PRELIMINARY STORM REPORT UPDATED
NATIONAL WEATHER SERVICE BUFFALO NY
810 PM EDT SUN JUNE 27 1993
TIME/EDT LOCATION/EVENT
755 PM SUN... 3/4 INCH DIAMETER HAIL REPORTED BY SKYWARN OBSERVER
IN THE TOWN OF RIPLEY...SW CHAUTAUQUA COUNTY.
800 PM SUN... SKYWARN OBSERVER IN THE TOWN OF RIPLEY MEASURED
HAIL DENSITY AT 86 PIECES PER SQUARE FOOT.
FISHERLocal storm report, Jun 27, 8:09 PM EDT, 1 hour 26 minutes before
PRELIMINARY STORM REPORT UPDATED
NATIONAL WEATHER SERVICE BUFFALO NY
810 PM EDT SUN JUNE 27 1993
TIME/EDT LOCATION/EVENT
755 PM SUN... 3/4 INCH DIAMETER HAIL REPORTED BY SKYWARN OBSERVER
IN THE TOWN OF RIPLEY...SW CHAUTAUQUA COUNTY.
800 PM SUN... SKYWARN OBSERVER IN THE TOWN OF RIPLEY MEASURED
HAIL DENSITY AT 86 PIECES PER SQUARE FOOT.
FISHERSpecial weather statement, Jun 27, 8:35 PM EDT, 1 hour before
NYZ001-002-003-004-005-021-022-280200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 735 PM EDT SUN JUN 27 1993 ...A SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE CENTRAL SOUTHERN TIER COUNTIES OF NEW YORK...BUT A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE WESTERN SOUTHERN TIER COUNTIES UNTIL 10 PM... AT 835 PM...SHOWERS AND THUNDERSTORMS CONTINUED OVER EASTERN LAKE ERIE...CHAUTAUQUA COUNTY...AND NORTHWESTERN PENNSYLVANIA. SOME HAIL HAS BEEN PREVIOUSLY REPORTED WITH THESE THUNDERSTORMS. THIS ACTIVITY IS STILL MOVING EAST AND SHOULD PASS OVER CHAUTAUQUA COUNTY DURING THE NEXT HOUR. OTHER SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER ORLEANS COUNTY AND NORTHWESTERN MONROE COUNTY AND IN ONTARIO BETWEEN LONDON AND HAMILTON...OVER THE SOUTHERN END OF LAKE SIMCOE...AND NORTH OF PETERBOROUGH. MOVEMENT OF ALL OF THE ACTIVITY WAS EAST AT 35 MILES AN HOUR. THE SHOWERS AND THUNDERSTORMS OVER LAKE ERIE WILL REACH CHAUTAUQUA COUNTY BEFORE 9 PM. SHOWERS AND THUNDERSTORMS NOW OCCURRING OVER BUFFALO ARE EXPECTED TO MOVE EAST OF THE METRO AREA SHORTLY. REMINGTON
Special weather statement, Jun 27, 9:09 PM EDT, 26 minutes before
NYZ002-280200- SPECIAL WEATHER STATEMENT - THUNDERSTORMS NATIONAL WEATHER SERVICE ROCHESTER NY 905 PM EDT SUN JUN 27 1993 ...THUNDERSTORMS MOVING ACROSS NORTHWEST MONROE COUNTY... AT 900 PM RADAR INDICATED A CLUSTER OF THUNDERSTORMS OVER NORTHWESTERN MONROE COUNTY AND ADJACENT LAKESHORE WATERS. THESE STORMS ARE PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING ALONG WITH HEAVY DOWNPOURS FROM HAMLIN EASTWARDS TO GREECE AND SOUTH TO SPENCERPORT. THHESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT ABOUT 35 MPH. BASIL
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 8:50 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 70 min |
| Jun 27, 9:15 PM EDT | Severe Thunderstorm Warning | BUF | Genesee | 45 min |
Nearby
Severe Thunderstorm Warnings in New York, 1993Every severe thunderstorm warning in 1993
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.