Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 15, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 31, 1998, 4:08 AM EDT for Niagara County, New York. It was in force for 62 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
- May 31, 1998, 4:08 AM EDT (08:08 UTC)
- Expired
- May 31, 1998, 5:10 AM EDT
- In force
- 62 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Niagara County, NY
The radar
The Buffalo radar (KBUF), 25 km from the middle of the area, began a volume at 08:05 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 |
|---|---|---|---|
| May 31, 5:20 AM EDT | Hail 0.75 | Lockport, 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
Pittsburgh, PA (KPIT), launched 00:00Z, 8.1 hours before the alert went out and 329 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
- 989 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1247 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBUF 310808 RRA SVRBUF NYC063-310910- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 408 AM EDT SUN MAY 31 1998 THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NIAGARA COUNTY IN WESTERN NEW YORK * UNTIL 510 AM EDT * AT 405 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES WEST OF NIAGARA FALLS...MOVING EAST NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NIAGARA FALLS AT 415 AM EDT LOCKPORT AT 430 AM EDT 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. DON'T 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, May 30, 10:10 PM EDT, 5 hours 58 minutes before
NYZ001>008-010>014-019>021-310900- SPECIAL WEATHER STATEMENT...SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BUFFALO NY 1010 PM EDT SAT MAY 30 1998 ...THE POTENTIAL EXISTS FOR SEVERE WEATHER ACROSS WESTERN AND CENTRAL NEW YORK SUNDAY AFTERNOON AND EVENING... DEEPENING LOW PRESSURE OVER THE UPPER MISSISSIPPI VALLEY SATURDAY EVENING WILL MOVE RAPIDLY ACROSS THE UPPER GREAT LAKES AND ONTARIO ON SUNDAY. THIS STORM WILL PUSH A WARM FRONT ACROSS THE STATE DURING SUNDAY MORNING. THE FRONT WILL BE ACCOMPANIED BY SOME SHOWER AND THUNDERSTORM ACTIVITY. WARM HUMID WINDY WEATHER WILL FOLLOW FOR SEVERAL HOURS BEFORE THE TRAILING COLD FRONT SWEEPS ACROSS THE STATE FROM WEST TO EAST DURING THE LATE AFTERNOON AND EVENING. MORE THUNDERSTORMS WILL PRECEDE AND ACCOMPANY THIS FRONT AND SOME OF THESE COULD BE STRONG TO SEVERE. THE GREATEST THREAT FROM THESE STORMS WOULD BE FROM WINDS OF OVER 60 MPH. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST INFORMATION ON THIS POTENTIAL SEVERE WEATHER SITUATION. ANOTHER STATEMENT WILL BE ISSUED BY 5 AM SUNDAY. MCLAUGHLIN
Special weather statement, May 30, 10:10 PM EDT, 5 hours 58 minutes before
NYZ001>008-010>014-019>021-310900- SPECIAL WEATHER STATEMENT...SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BUFFALO NY 1010 PM EDT SAT MAY 30 1998 ...THE POTENTIAL EXISTS FOR SEVERE WEATHER ACROSS WESTERN AND CENTRAL NEW YORK SUNDAY AFTERNOON AND EVENING... DEEPENING LOW PRESSURE OVER THE UPPER MISSISSIPPI VALLEY SATURDAY EVENING WILL MOVE RAPIDLY ACROSS THE UPPER GREAT LAKES AND ONTARIO ON SUNDAY. THIS STORM WILL PUSH A WARM FRONT ACROSS THE STATE DURING SUNDAY MORNING. THE FRONT WILL BE ACCOMPANIED BY SOME SHOWER AND THUNDERSTORM ACTIVITY. WARM HUMID WINDY WEATHER WILL FOLLOW FOR SEVERAL HOURS BEFORE THE TRAILING COLD FRONT SWEEPS ACROSS THE STATE FROM WEST TO EAST DURING THE LATE AFTERNOON AND EVENING. MORE THUNDERSTORMS WILL PRECEDE AND ACCOMPANY THIS FRONT AND SOME OF THESE COULD BE STRONG TO SEVERE. THE GREATEST THREAT FROM THESE STORMS WOULD BE FROM WINDS OF OVER 60 MPH. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST INFORMATION ON THIS POTENTIAL SEVERE WEATHER SITUATION. ANOTHER STATEMENT WILL BE ISSUED BY 5 AM SUNDAY. MCLAUGHLIN
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 10:13 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 62 min |
| May 31, 10:45 AM EDT | Severe Thunderstorm Warning | BUF | Genesee, Orleans | 45 min |
| May 31, 10:50 AM EDT | Severe Thunderstorm Warning | BUF | Wyoming | 70 min |
| May 31, 10:50 AM EDT | Severe Thunderstorm Warning | BUF | Monroe | 70 min |
| May 31, 11:10 AM EDT | Severe Thunderstorm Warning | BUF | Livingston | 80 min |
| May 31, 11:15 AM EDT | Severe Thunderstorm Warning | BUF | Erie | 60 min |
| May 31, 11:26 AM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 79 min |
| May 31, 11:30 AM EDT | Severe Thunderstorm Warning | BUF | Ontario, Wayne | 80 min |
| May 31, 11:45 AM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 80 min |
| May 31, 11:50 AM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 85 min |
| May 31, 12:06 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus | 99 min |
| May 31, 12:15 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 45 min |
| May 31, 12:35 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 65 min |
| May 31, 1:00 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 45 min |
| May 31, 1:27 PM EDT | Severe Thunderstorm Warning | BUF | Livingston | 63 min |
| May 31, 2:25 PM EDT | Severe Thunderstorm Warning | BUF | Wyoming | 45 min |
| May 31, 2:45 PM EDT | Severe Thunderstorm Warning | BUF | Livingston | 45 min |
| May 31, 3:04 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus | 61 min |
| May 31, 3:30 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 65 min |
| May 31, 4:02 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 33 min |
| May 31, 4:05 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 65 min |
| May 31, 4:11 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua, Erie | 79 min |
| May 31, 4:11 PM EDT | Severe Thunderstorm Warning | BUF | Niagara | 79 min |
| May 31, 4:49 PM EDT | Tornado Warning | BUF | Allegany | 46 min |
| May 31, 5:08 PM EDT | Tornado Warning | BUF | Chautauqua | 47 min |
| May 31, 5:17 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Wyoming | 63 min |
| May 31, 5:24 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 61 min |
| May 31, 5:53 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 62 min |
| May 31, 6:02 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 63 min |
| May 31, 6:17 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Orleans | 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.