Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 106, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 30, 1998, 2:59 PM EDT for Ontario County, New York. It was in force for 61 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
- Jun 30, 1998, 2:59 PM EDT (18:59 UTC)
- Expired
- Jun 30, 1998, 4:00 PM EDT
- In force
- 61 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 18:58 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 |
|---|---|---|---|
| Jun 30, 3:30 PM EDT | Thunderstorm Wind | Canandaigua, NY | |
| Jun 30, 3:50 PM EDT | Thunderstorm Wind | Phelps, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 30, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.0 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
- 3 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 865 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
605 WUUS1 KBUF 301859 RRA SVRBUF NYC069-302000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 259 PM EDT TUE JUN 30 1998 THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ONTARIO COUNTY IN WESTERN NEW YORK * UNTIL 400 PM EDT * AT 255 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR VICTOR...MOVING SOUTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CANANDAIGUA AT 315 PM EDT GENEVA AT 330 PM EDT IF YOU ARE IN THESE AREAS...SEEK SAFETY IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION.
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 30, 10:32 AM EDT, 4 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NEW YORK
1032 AM EDT TUE JUN 30 1998
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0750 AM LYNDONVILLE NY WIND DAMAGE
06/30/98 ORLEANS TREE AND WIRES DOWN
SHERIFFS DEPT.Special weather statement, Jun 30, 11:36 AM EDT, 3 hours 23 minutes before
NYZ001>008-010>014-019>021-010000- SEVERE WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BUFFALO NY 1136 AM EDT TUE JUN 30 1998 ...SEVERE THUNDERSTORMS POSSIBLE ACROSS THE AREA THIS AFTERNOON... THE NATIONAL SEVERE STORMS FORECAST CENTER INDICATES THERE IS A SLIGHT RISK FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS ACROSS THE AREA THIS AFTERNOON. AN APPROACHING COLD FRONT WILL TRIGGER SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS AFTERNOON. SOME OF THESE THUNDERSTORMS COULD REACH SEVERE LIMITS. THE GREATEST THREAT IS THE POSSIBILITY OF DAMAGING WINDS. LARGE HAIL IS ALSO POSSIBLE. VERY HUMID CONDITIONS CONTINUE ACROSS THE AREA AND ANY THUNDERSTORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS. RAINFALL AMOUNTS OF UP TO 2 INCHES AN HOUR ARE POSSIBLE. A FLASH FLOOD WATCH REMAINS IN EFFECT THIS AFTERNOON FOR THE ENTIRE REGION. SKYWARN ACTIVATION MAY BE NEEDED THIS AFTERNOON. REMEMBER...SEVERE THUNDERSTORMS CONTAIN HAIL OF NICKEL DIAMETER OR LARGER AND/OR WINDS GUSTS OVER 58 MPH. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE SITUATION. STAY TUNED TO YOUR FAVORITE SOURCE FOR WEATHER INFORMATION FOR FURTHER UPDATES ON THIS SITUATION. TMA
Special weather statement, Jun 30, 11:36 AM EDT, 3 hours 23 minutes before
NYZ001>008-010>014-019>021-010000- SEVERE WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE BUFFALO NY 1136 AM EDT TUE JUN 30 1998 ...SEVERE THUNDERSTORMS POSSIBLE ACROSS THE AREA THIS AFTERNOON... THE NATIONAL SEVERE STORMS FORECAST CENTER INDICATES THERE IS A SLIGHT RISK FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS ACROSS THE AREA THIS AFTERNOON. AN APPROACHING COLD FRONT WILL TRIGGER SHOWERS AND THUNDERSTORMS ACROSS THE REGION THIS AFTERNOON. SOME OF THESE THUNDERSTORMS COULD REACH SEVERE LIMITS. THE GREATEST THREAT IS THE POSSIBILITY OF DAMAGING WINDS. LARGE HAIL IS ALSO POSSIBLE. VERY HUMID CONDITIONS CONTINUE ACROSS THE AREA AND ANY THUNDERSTORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING TORRENTIAL DOWNPOURS. RAINFALL AMOUNTS OF UP TO 2 INCHES AN HOUR ARE POSSIBLE. A FLASH FLOOD WATCH REMAINS IN EFFECT THIS AFTERNOON FOR THE ENTIRE REGION. SKYWARN ACTIVATION MAY BE NEEDED THIS AFTERNOON. REMEMBER...SEVERE THUNDERSTORMS CONTAIN HAIL OF NICKEL DIAMETER OR LARGER AND/OR WINDS GUSTS OVER 58 MPH. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE SITUATION. STAY TUNED TO YOUR FAVORITE SOURCE FOR WEATHER INFORMATION FOR FURTHER UPDATES ON THIS SITUATION. TMA
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 6:46 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 49 min |
| Jun 30, 7:32 AM EDT | Severe Thunderstorm Warning | BUF | Orleans | 33 min |
| Jun 30, 2:51 PM EDT | Flash Flood Warning | BUF | Monroe | 2 hr |
| Jun 30, 3:35 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 55 min |
| Jun 30, 4:26 PM EDT | Severe Thunderstorm Warning | BUF | Erie | 44 min |
| Jun 30, 4:51 PM EDT | Severe Thunderstorm Warning | BUF | Wyoming | 64 min |
| Jun 30, 6:00 PM EDT | Severe Thunderstorm Warning | BUF | Livingston | 20 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.