Alert archive / New York / Flash Flood Warnings in 2007

Flash Flood Warning 1, NWS Buffalo, NY

June 3, 2007Jefferson County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 3, 2007, 2:49 PM EDT for Jefferson County, New York. It was in force for 116 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 3, 2007, 2:49 PM EDT (18:49 UTC)
Expired
Jun 3, 2007, 4:45 PM EDT
In force
116 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 40 km from the middle of the area, began a volume at 18:50 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

Albany, NY (KALY), launched 12:00Z, 6.8 hours before the alert went out and 231 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, Albany, NY at 12:00Z on 2007-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 179 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, Albany, NY at 12:00Z on 2007-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
179 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
799 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
47 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 
WGUS51 KBUF 031851
FFWBUF
NYC045-032045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
249 PM EDT SUN JUN 3 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON COUNTY IN CENTRAL NEW YORK

* UNTIL 445 PM EDT

* AT 246 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A STRONG THUNDERSTORM PRODUCING TORRENTIAL DOWNPOURS 13 MILES
  SOUTH OF CLAYTON...OR ABOUT 8 MILES NORTHWEST OF WATERTOWN...
  MOVING NORTHWEST AT 5 MPH. THIS THUNDERSTORM HAS ALREADY PRODUCED
  OVER 2 INCHES OF RAINFALL BETWEEN WATERTOWN AND CHAUMONT SINCE 145 
  PM.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PERCH
  RIVER...LA FARGEVILLE AND DEPAUVILLE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
BUFFALO.

LAT...LON 4399 7604 4407 7589 4428 7595 4419 7619

$$

TMA
1 follow-up statement
000 
WGUS71 KBUF 031954
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
351 PM EDT SUN JUN 3 2007

NYC045-032045-
JEFFERSON NY-
351 PM EDT SUN JUN 3 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM EDT FOR
CENTRAL JEFFERSON COUNTY...

AT 350 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE STRONG THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL RATES OF 
UP TO 2 INCHES PER HOUR OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CLAYTON... 
DEPAUVILLE AND FARGEVILLE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

LAT...LON 4399 7604 4407 7589 4428 7595 4419 7619

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 2:59 PM EDTSpecial Marine WarningBUF91 min
Jun 3, 3:18 PM EDTFlash Flood WarningBUFOntario117 min
Jun 3, 4:42 PM EDTFlash Flood WarningBUFJefferson2 hr
Jun 3, 4:48 PM EDTSevere Thunderstorm WarningBUFErie33 min
Jun 3, 5:24 PM EDTSpecial Marine WarningBUF58 min
Jun 3, 5:31 PM EDTSevere Thunderstorm WarningBUFNiagara29 min

Nearby

Flash Flood Warnings in New York, 2007Every flash flood warning in 2007

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.