Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 109, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 30, 1998, 4:51 PM EDT for Wyoming County, New York. It was in force for 64 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1998, 4:51 PM EDT (20:51 UTC)
- Expired
- Jun 30, 1998, 5:55 PM EDT
- In force
- 64 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Wyoming County, NY
The radar
The Buffalo radar (KBUF), 50 km from the middle of the area, began a volume at 20:54 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.
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, 8.9 hours before the alert went out and 46 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.
000 TTAA00 KBUF 302052 RRA SVRBUF NYC121-302155- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 451 PM EDT TUE JUN 30 1998 THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WYOMING COUNTY IN WESTERN NEW YORK * UNTIL 555 PM EDT * AT 445 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTH ALDEN...MOVING SOUTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... VARYSBURG AT 510 PM EDT WARSAW AT 525 PM 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.
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, Jun 30, 11:36 AM EDT, 5 hours 15 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, 5 hours 15 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, 2:59 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 61 min |
| 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.