Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 136, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 24, 1998, 6:58 AM EDT for Ontario County, New York. It was in force for 67 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
- Aug 24, 1998, 6:58 AM EDT (10:58 UTC)
- Expired
- Aug 24, 1998, 8:05 AM EDT
- In force
- 67 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Ontario County, NY
The radar
The Buffalo radar (KBUF), 118 km from the middle of the area, began a volume at 11:02 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 |
|---|---|---|---|
| Aug 24, 7:05 AM EDT | Thunderstorm Wind | Farmington, 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 00:00Z, 11.0 hours before the alert went out and 114 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
- 616 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1260 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
502 WUUS1 KBUF 241100 RRA SVRBUF NYC069-241200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 658 AM EDT MON AUG 24 1998 THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ONTARIO COUNTY IN WESTERN NEW YORK * UNTIL 805 AM EDT * AT 655 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES NORTHWEST OF VICTOR...MOVING EAST SOUTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... VICTOR AND BLOOMFIELD BETWEEN 700 AND 710 AM CANADAIGUA NEAR 715 AM SENECA AND GENEVA BETWEEN 720 AND 745 AM IF YOU ARE IN THESE AREAS...SEEK SAFETY IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH AND/OR HAIL 3/4 INCH OR LARGER. FOR YOUR PROTECTION FROM POTENTIALLY DAMAGING WINDS...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS MAY ALSO CAUSE RAPID FLOODING OF SMALL STREAMS AND POOR DRAINAGE AREAS. DONT ATTEMPT TO CROSS FLOODED ROADWAYS. 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, Aug 24, 4:45 AM EDT, 2 hours 13 minutes before
NYZ001>008-010>014-019>021-250000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BUFFALO NY 445 AM EDT MON AUG 24 1998 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS WESTERN AND NORTHERN NEW YORK THIS AFTERNOON AND TONIGHT. A SOUTHWEST FLOW OF WARM HUMID AIR WILL CONTINUE ACROSS WESTERN NEW YORK TODAY AND TONIGHT. AN UPPER LEVEL DISTURBANCE PASSING TO THE NORTH OF THE REGION LATER TODAY COULD BE THE IMPETUS NEEDED TO TRIGGER SEVERE THUNDERSTORMS OVER THE AREA. THESE THUNDERSTORMS COULD CONTAIN DAMAGING WINDS AND LARGE HAIL. BECAUSE OF THE AMOUNT OF MOISTURE IN THE AIR...THE THUNDERSTORMS WOULD ALSO PRODUCE HEAVY DOWNPOURS WHICH MAY RESULT IN LOWLAND AND POOR DRAINAGE FLOODING. LISTEN TO NOAA WEATHER RADIO...OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION...FOR THE LATEST INFORMATION ON THIS DEVELOPING SEVERE WEATHER SITUATION. SKYWARN ACTIVITATION IS POSSIBLE TODAY. SKYWARN SPOTTERS AND EMERGENCY MANAGMENT OFFICIALS SHOULD BE READY TO BE ACTIVATED. LEVAN
Special weather statement, Aug 24, 4:45 AM EDT, 2 hours 13 minutes before
NYZ001>008-010>014-019>021-250000- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BUFFALO NY 445 AM EDT MON AUG 24 1998 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS WESTERN AND NORTHERN NEW YORK THIS AFTERNOON AND TONIGHT. A SOUTHWEST FLOW OF WARM HUMID AIR WILL CONTINUE ACROSS WESTERN NEW YORK TODAY AND TONIGHT. AN UPPER LEVEL DISTURBANCE PASSING TO THE NORTH OF THE REGION LATER TODAY COULD BE THE IMPETUS NEEDED TO TRIGGER SEVERE THUNDERSTORMS OVER THE AREA. THESE THUNDERSTORMS COULD CONTAIN DAMAGING WINDS AND LARGE HAIL. BECAUSE OF THE AMOUNT OF MOISTURE IN THE AIR...THE THUNDERSTORMS WOULD ALSO PRODUCE HEAVY DOWNPOURS WHICH MAY RESULT IN LOWLAND AND POOR DRAINAGE FLOODING. LISTEN TO NOAA WEATHER RADIO...OR YOUR FAVORITE SOURCE OF WEATHER INFORMATION...FOR THE LATEST INFORMATION ON THIS DEVELOPING SEVERE WEATHER SITUATION. SKYWARN ACTIVITATION IS POSSIBLE TODAY. SKYWARN SPOTTERS AND EMERGENCY MANAGMENT OFFICIALS SHOULD BE READY TO BE ACTIVATED. LEVAN
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 8:10 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 60 min |
| Aug 23, 9:45 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 60 min |
| Aug 24, 5:37 AM EDT | Severe Thunderstorm Warning | BUF | Monroe | 63 min |
| Aug 24, 9:17 AM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 78 min |
| Aug 24, 10:15 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus | 65 min |
| Aug 24, 10:42 AM EDT | Severe Thunderstorm Warning | BUF | Allegany | 63 min |
| Aug 24, 11:52 AM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 93 min |
| Aug 24, 4:20 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 60 min |
| Aug 24, 5:44 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 61 min |
| Aug 24, 6:44 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 61 min |
| Aug 24, 6:52 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 63 min |
Nearby
Severe Thunderstorm Warnings in New York, 1998Every severe thunderstorm warning in 1998
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.