Alert archive / New York / Flash Flood Warnings in 1996

Flash Flood Warning 17, NWS Buffalo, NY

June 12, 1996Monroe County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 12, 1996, 2:40 PM EDT for Monroe County, New York. It was in force for 65 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 12, 1996, 2:40 PM EDT (18:40 UTC)
Expired
Jun 12, 1996, 3:45 PM EDT
In force
65 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 18:41 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.7 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 12:00Z on 1996-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 1996-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.193958Sfc1 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
12 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
657 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 121851 COR
FFWBUF
NYC055-121845-

BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING...CORRECTED FOR TIME
NATIONAL WEATHER SERVICE BUFFALO NY
240 PM EDT WED JUN 12 1996

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A FLOOD WARNING
FOR URBAN AND SMALL STREAM FLOODING EFFECTIVE UNTIL 345 PM EDT FOR
PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN NEW YORK

   ...MONROE COUNTY
 
AT 235 PM DOPPLER RADAR DETECTED A LINE OF THUNDERSTORMS WITH
TORRENTIAL DOWNPOURS ENTERING THE WESTERN HALF OF MONROE
COUNTY. THE STORMS WERE MOVING NORTHEAST AT 15 TO 20 MPH.
THEY WILL PASS THROUGH BROCKPORT BETWEEN 245 AND 300PM AND INTO THE
CITY OF ROCHESTER AROUND 300PM.

THESE AREAS HAVE ALREADY BEEN INUNDATED BY HEAVY RAINFALL TODAY AND THE
ADDITIONAL HEAVY RAIN WILL PRODUCE FLOODING OF STREETS...BASEMENTS
AND LOW LYING AREAS. USE EXTREME CAUTION WHEN DRIVING. THESE STORMS
MAY ALSO PRODUCE HAIL FREQUENT LIGHTNING AND STRONG WINDS.
 
IF THREATENING WEATHER (APPROACHES TAKE SHELTER IMMEDIATELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 6:42 PM EDTFlash Flood WarningBUFWyoming78 min

Nearby

Flash Flood Warnings in New York, 1996Every flash flood warning in 1996

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.