Alert archive / New York / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Burlington, VT

July 12, 2004Clinton County, New York

NWS Burlington, VT issued this flash flood warning at Jul 12, 2004, 4:30 PM EDT for Clinton County, New York. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 12, 2004, 4:30 PM EDT (20:30 UTC)
Expired
Jul 12, 2004, 6:30 PM EDT
In force
2 hr
Issued by
NWS Burlington, VT
Area
Counties, with a storm outline in the text

County Clinton County, NY

The radar

The Burlington radar (KCXX), 50 km from the middle of the area, began a volume at 20:33 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, 8.5 hours before the alert went out and 219 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 2004-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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 2004-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
41 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KBTV 122030
FFWBTV
NYC019-122230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
430 PM EDT MON JUL 12 2004

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN CLINTON COUNTY IN NORTHERN NEW YORK

* UNTIL 630 PM EDT

* AT 428 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORMS NEAR CLAYBURG...OR ABOUT 14
  MILES SOUTHWEST OF PLATTSBURGH...MOVING SOUTH AT 5 MPH.

* THE THUNDERSTORMS PRODUCING FLASH FLOODING WILL BE...
  9 MILES EAST OF RIVERVIEW BY 435 PM EDT
  8 MILES EAST OF HAWKEYE BY 530 PM EDT

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.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 4472 7397 4446 7394 4454 7344 4484 7353

$$

SISSON
2 follow-up statements
000 
WGUS71 KBTV 122139
FFSBTV
NYC019-122230-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
538 PM EDT MON JUL 12 2004


...A FLASH FLOOD WARNING CONTINUES UNTIL 630 PM EDT FOR...

  CLINTON COUNTY IN NORTHERN NEW YORK

AT 536 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL 21 MILES
SOUTHWEST OF PLATTSBURGH...OR ABOUT 3 MILES SOUTHEAST OF RIVERVIEW...
MOVING EAST AT 10 MPH.

THE THUNDERSTORMS PRODUCING HEAVY RAIN WILL BE NEAR...
  MOFFITTSVILLE AT 600 PM.
  PEASLEEVILLE AT 620 PM.
  PERU AND SCHUYLER FALLS AT 630 PM.

SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
WARNED AREA.

SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT
ROADS AND FLOODING NEARBY LOW AREAS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

LAT...LON 4474 7349 4465 7394 4443 7390 4452 7350

$$
000 
WGUS71 KBTV 122240
FFSBTV
NYC019-122300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
640 PM EDT MON JUL 12 2004

...THE FLASH FLOOD WARNING FOR CLINTON COUNTY IN NORTHERN NEW YORK 
HAS EXPIRED...

AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
WEAKENING AND STATIONARY CLUSTER OF THUNDERSTORMS OVER SOUTHWEST 
CLINTON COUNTY NEAR HAWKEYE AND BLACK BROOK.

NO REPORTS OF FLOODING HAVE BEEN RECEIVED AT THE NATIONAL WEATHER 
SERVICE IN BURLINGTON. RADAR ESTIMATED OVER 4 INCHES OF RAIN HAD 
FALLEN OVER ELLENBURG MOUNTAIN AND JUST SOUTHWEST OF DANNEMORA.

PLEASE RELAY ANY REPORTS OF FLOODING TO YOUR LOCAL LAW ENFORCEMENT 
AGENCY OR TO THE NATIONAL WEATHER SERVICE IN BURLINGTON.

NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

LAT...LON 4475 7397 4444 7389 4449 7354 4480 7351

$$

Nearby

Flash Flood Warnings in New York, 2004Every flash flood warning in 2004

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.