Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 42, NWS Buffalo, NY

July 18, 1997Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 18, 1997, 7:05 PM EDT for Erie County, New York. It was in force for 45 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
Jul 18, 1997, 7:05 PM EDT (23:05 UTC)
Expired
Jul 18, 1997, 7:50 PM EDT
In force
45 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Erie County, NY

The radar

The Buffalo radar (KBUF), 21 km from the middle of the area, began a volume at 23:04 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.

IssuedProductOfficeLasted
Jul 18, 1:45 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.1 hours before the alert went out and 20 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 12:00Z on 1997-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 12:00Z on 1997-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
7 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1353 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
132 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 182304 RRA
SVRBUF
NYC029-NYZ521-522-182350-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
705 PM EDT FRI JUL 18 1997

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 750 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST NEW YORK

   ...SOUTHERN ERIE COUNTY
 
A SEVERE THUNDERSTORM MOVING ONSHORE FROM LAKE ERIE TO STURGEON POINT
WILL MOVE SOUTHEAST. IT WILL PASS NORTH OF ANGOLA AND ACROSS THE TOWN
OF EVANS TO NORTH COLLINS AND EDEN BY 745 PM. LARGE HAIL AND GUSTY
WINDS WILL ACCOMPANY THE STORM.
 
WHEN THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE A STURDY
BUILDING.  DO NOT STAND BY WINDOWS...AND DON'T USE TELEPHONES OR
ELECTRICAL APPLIANCES...UNLESS IT'S AN EMERGENCY...UNTIL THE STORM
HAS PASSED.  HEAVY RAINS MAY FLOOD ROADS QUICKLY. MOTORISTS SHOULD NOT
DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 1:51 PM EDTSevere Thunderstorm WarningBUFChautauqua59 min
Jul 18, 2:30 PM EDTSevere Thunderstorm WarningBUFJefferson60 min
Jul 18, 2:55 PM EDTSevere Thunderstorm WarningBUFCattaraugus80 min
Jul 18, 3:11 PM EDTSevere Thunderstorm WarningBUFAllegany79 min
Jul 18, 3:30 PM EDTSevere Thunderstorm WarningBUFLewis60 min
Jul 18, 4:39 PM EDTSevere Thunderstorm WarningBUFNiagara, Orleans66 min
Jul 18, 4:50 PM EDTSevere Thunderstorm WarningBUFErie95 min
Jul 18, 5:22 PM EDTSevere Thunderstorm WarningBUFGenesee63 min
Jul 18, 6:03 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Wyoming62 min
Jul 18, 7:49 PM EDTSevere Thunderstorm WarningBUFCattaraugus61 min

Nearby

Severe Thunderstorm Warnings in New York, 1997Every severe thunderstorm warning in 1997

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.