Alert archive / New York / Flash Flood Warnings in 2007

Flash Flood Warning 3, NWS Buffalo, NY

June 3, 2007Jefferson County, New York

NWS Buffalo, NY issued this flash flood warning at Jun 3, 2007, 4:42 PM EDT for Jefferson County, New York. It was in force for 2 hr. 1 report 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
Jun 3, 2007, 4:42 PM EDT (20:42 UTC)
Expired
Jun 3, 2007, 6:45 PM EDT
In force
2 hr
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 20:43 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
Jun 3, 5:00 PM EDTFLASH FLOODRedwood, NYFLOODED BASEMENTS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.7 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 032046
FFWBUF
NYC045-032245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
442 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 645 PM EDT

* AT 439 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL RATES OF AROUND 2      
  INCHES PER HOUR. RADAR ESTIMATES THAT 3 TO 4 INCHES OF RAIN HAVE   
  FALLEN OVER THE PAST 3 HOURS IN NORTHERN JEFFERSON COUNTY...WITH   
  ADDITIONAL RAINFALL AMOUNTS OF UP TO 2 INCHES POSSIBLE.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO            
  LAFARGEVILLE...DEPAUVILLE...THERESA...AND REDWOOD.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS. MOVE TO HIGHER GROUND IMMEDIATELY.

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. REMEMBER TURN AROUND DONT DROWN.

LAT...LON 4427 7558 4401 7612 4418 7632 4423 7614
      4427 7616 4431 7608 4431 7608 4424 7609
      4425 7606 4428 7602 4434 7605 4438 7592
      4436 7590 4439 7586

$$

HITCHCOCK
1 follow-up statement
000 
WGUS71 KBUF 032141
FFSBUF

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

NYC045-032245-
JEFFERSON NY-
542 PM EDT SUN JUN 3 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR
NORTHERN JEFFERSON COUNTY...

AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS 
INDICATING THAT 5 TO 6 INCHES OF RAIN HAD FALLEN SINCE 2 PM ACROSS 
PORTIONS OF NORTHERN JEFFERSON COUNTY. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ALEXANDRIA 
BAY...LAFARGEVILLE...DEPAUVILLE...THERESA...AND REDWOOD.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS. MOVE TO HIGHER GROUND IMMEDIATELY.

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.

THE RAINFALL INTENSITY WAS BEGINNING TO DIMINISH AND WILL TAPER OFF 
BY 7 PM.

LAT...LON 4427 7558 4401 7612 4418 7632 4423 7614
      4427 7616 4431 7608 4431 7608 4424 7609
      4425 7606 4428 7602 4434 7605 4438 7592
      4436 7590 4439 7586

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 2:49 PM EDTFlash Flood WarningBUFJefferson116 min
Jun 3, 2:59 PM EDTSpecial Marine WarningBUF91 min
Jun 3, 3:18 PM EDTFlash Flood WarningBUFOntario117 min
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.