Alert archive / New York / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 9, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 3, 1999, 6:33 PM EDT for Monroe County, New York. It was in force for 57 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
- Jul 3, 1999, 6:33 PM EDT (22:33 UTC)
- Expired
- Jul 3, 1999, 7:30 PM EDT
- In force
- 57 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Monroe County, NY
The radar
The Buffalo radar (KBUF), 93 km from the middle of the area, began a volume at 22:35 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 3, 7:05 PM EDT | Thunderstorm Wind | Greece, 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.6 hours before the alert went out and 90 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
- 1884 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 166 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 032237 RRA SVRBUF NYC055-032330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 633 PM EDT SAT JUL 3 1999 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... MONROE COUNTY IN WESTERN NEW YORK THIS INCLUDES THE CITIES OF...BRIGHTON...GATES-NORTH GATES... GREECE...IRONDEQUOIT...ROCHESTER UNTIL 730 PM EDT * AT 629 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM 13 MILES NORTHWEST OF SPENCERPORT...OR ABOUT 9 MILES NORTHWEST OF HILTON...MOVING EAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE... 7 MILES NORTHEAST OF SPENCERPORT AT 640 PM EDT 3 MILES NORTHEAST OF GREECE...6 MILES NORTHEAST OF GATES-NORTH GATES AT 645 PM EDT OVER IRONDEQUOIT...3 MILES NORTHEAST OF ROCHESTER...5 MILES NORTHEAST OF BRIGHTON AT 650 PM EDT IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY. IN HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BUFFALO.
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 5:53 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 52 min |
| Jul 3, 6:01 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Erie | 29 min |
| Jul 3, 6:08 PM EDT | Severe Thunderstorm Warning | BUF | Niagara, Orleans | 67 min |
| Jul 3, 6:14 PM EDT | Severe Thunderstorm Warning | BUF | Wyoming | 46 min |
| Jul 3, 6:39 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Livingston | 66 min |
| Jul 3, 7:11 PM EDT | Severe Thunderstorm Warning | BUF | Ontario, Wayne | 49 min |
| Jul 3, 7:38 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 52 min |
Nearby
Severe Thunderstorm Warnings in New York, 1999Every severe thunderstorm warning in 1999
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; radar from the NEXRAD Level II archive.