Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 160, NWS Buffalo, NY

September 7, 1998Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 7, 1998, 12:07 AM EDT for Monroe County, New York. It was in force for 63 min. 3 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
Sep 7, 1998, 12:07 AM EDT (04:07 UTC)
Expired
Sep 7, 1998, 1:10 AM EDT
In force
63 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 04:07 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

TimeReportWhereRemark
Sep 7, 12:15 AM EDTThunderstorm Wind 78Rochester Arpt, NY
Sep 7, 12:20 AM EDTThunderstorm WindBrockport, NY
Sep 7, 12:30 AM EDTThunderstorm WindPittsford, 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.

IssuedProductOfficeLasted
Sep 6, 11:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.1 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 1998-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1469 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 1998-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1469 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1188 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.4
Supercell composite
3.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBUF 070407 RRA
SVRBUF
NYC055-NYZ523-524-070510-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1207 AM EDT MON SEP 7 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MONROE COUNTY INCLUDING ADJACENT COASTAL WATERS IN WESTERN NEW YORK

* UNTIL 110 AM EDT

* AT 1200 MIDNIGHT...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A SEVERE THUNDERSTORM OVER ORLEANS COUNTY 5 MILES
  SOUTHEAST OF ALBION...MOVING SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BROCKPORT AT 1215 AM
  ROCHESTER AT 1220 AM
  CHURCHVILLE AT 1220 AM

IF YOU ARE IN THESE AREAS...SEEK SAFETY IN A SMALL INTERIOR ROO\M
AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION.

BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY DAMAGING
WINDS...FREQUENT LIGHTNING AND HAIL. LOCALLY HEAVY RAINFALL
MAY ALSO PRODUCE DRAINAGE FLOODING.

TAN

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 6, 11:23 PM EDTTornado WarningBUFNiagara47 min
Sep 6, 11:41 PM EDTSevere Thunderstorm WarningBUFOrleans49 min
Sep 6, 11:52 PM EDTSevere Thunderstorm WarningBUFGenesee63 min
Sep 6, 11:58 PM EDTSevere Thunderstorm WarningBUFErie32 min
Sep 7, 12:22 AM EDTSevere Thunderstorm WarningBUFWayne63 min
Sep 7, 12:29 AM EDTSevere Thunderstorm WarningBUFErie, Wyoming66 min
Sep 7, 12:36 AM EDTSevere Thunderstorm WarningBUFLivingston64 min
Sep 7, 12:46 AM EDTSevere Thunderstorm WarningBUFCayuga64 min
Sep 7, 1:01 AM EDTSevere Thunderstorm WarningBUFOswego64 min
Sep 7, 1:13 AM EDTSevere Thunderstorm WarningBUFOntario67 min
Sep 7, 1:16 AM EDTSevere Thunderstorm WarningBUFAllegany34 min
Sep 7, 2:40 AM EDTSevere Thunderstorm WarningBUFAllegany65 min
Sep 7, 8:27 AM EDTSevere Thunderstorm WarningBUFErie63 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.