Alert archive / New York / Flash Flood Warnings in 2003
Flash Flood Warning 19, NWS Buffalo, NY
NWS Buffalo, NY issued this flash flood warning at Aug 12, 2003, 2:36 PM EDT for Jefferson County, Lewis County, New York. It was in force for 114 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 12, 2003, 2:36 PM EDT (18:36 UTC)
- Expired
- Aug 12, 2003, 4:30 PM EDT
- In force
- 114 min
- Issued by
- NWS Buffalo, NY
- Area
- Counties, with a storm outline in the text
Counties Jefferson County, NY, Lewis County, NY
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 6.6 hours before the alert went out and 217 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.
- Mixed-layer CAPE
- 572 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 491 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
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KBUF 121837
FFWBUF
NYC045-049-122030-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
236 PM EDT TUE AUG 12 2003
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
JEFFERSON COUNTY IN CENTRAL NEW YORK
LEWIS COUNTY IN CENTRAL NEW YORK
* UNTIL 430 PM EDT
* AT 234 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
RAIN FROM HENDERSON HARBOR TO BARNES CORNERS...OR FROM 18 MILES
SOUTHWEST OF WATERTOWN TO 13 MILES SOUTHEAST OF WATERTOWN...MOVING
NORTH AT 5 MPH.
* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL BE...
OVER HENDERSON HARBOR AT 255 PM EDT
4-8 MILES SOUTHWEST OF WATERTOWN AT 330 PM EDT
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. IF
YOU LIVE ALONG A STREAM OR CREEK ACT NOW TO PROTECT LIFE AND
PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF
UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
BUFFALO.
LAT...LON 4370 7621 4369 7606 4368 7585 4391 7574
4403 7597 4388 7625
$$2 follow-up statements
000 WGUS71 KBUF 122020 FFSBUF NYC045-049-122030- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 416 PM EDT TUE AUG 12 2003 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS CONTINUED A FLASH FLOOD WARNING FOR... JEFFERSON COUNTY IN CENTRAL NEW YORK LEWIS COUNTY IN CENTRAL NEW YORK UNTIL 430 PM EDT. AT 410 PM EDT...VERY HEAVY RAIN WAS INDICATED JUST WEST OF LOWVILLE...OR ABOUT 19 MILES SOUTHEAST OF WATERTOWN. IN ADDITION...HEAVY RAIN WAS SHOWN ON DOPPLER RADAR OVER JEFFERSON COUNTY BETWEEN WATERTOWN AND ADAMS. THE AREAS OF HEAVY RAIN WERE NEARLY STATIONARY...AND HAD BEGUN TO SHOW SIGNS OF WEAKENING BETWEEN 4 AND 415 PM. REPORTS FROM THE LEWIS COUNTY SHERIFF WERE THAT THERE WAS A ROAD WASHOUT AT THE INTERSECTION OF NUMBER 4 ROAD AND ERIE CANAL ROAD. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU LIVE ALONG A STREAM OR CREEK ACT NOW TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT CROSS BRIDGES DIPS OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. $$ DJF
000 WGUS71 KBUF 122042 FFSBUF NYC045-049-122100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BUFFALO NY 440 PM EDT TUE AUG 12 2003 THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR LEWIS AND JEFFERSON COUNTIES IN CENTRAL NEW YORK EXPIRED AS OF 430 PM. AT 430 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS CONTINUING OVER JEFFERSON AND LEWIS COUNTIES...MAINLY BETWEEN WATERTOWN AND LEYDEN. OTHER SHOWERS WERE INDICATED NORTHEAST TOWARD PHILADELPHIA AND HARRISVILLE. THE INTENSITY OF THE SHOWERS AND ISOLATED THUNDERSTORMS HAD DIMINISHED BETWEEN 4 AND 430 PM. AS A RESULT...THE FLASH FLOOD WARNING WAS ALLOWED TO EXPIRE AT 430 PM. EARLIER...AT 305 PM...SKYWARN SPOTTERS IN BARNES CORNERS REPORTED THREE INCHES OF RAIN IN ONE HOUR. AT 330 PM...THE LEWIS COUNTY SHERIFF INDICATED A ROAD WASHOUT IN NEW BREMEN AT THE INTERSECTION OF NUMBER FOUR ROAD AND ERIE CANAL ROAD. STANDING WATER MAY STILL EXIST ON SOME ROADWAYS...AS WELL AS IN POOR DRAINAGE AND LOW LYING AREAS. REMAIN AWAY FROM ANY CREEKS OR STREAMS THAT ARE RUNNING HIGH AND FLOWING FAST. STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION. $$ DJF
Nearby
Flash Flood Warnings in New York, 2003Every flash flood warning in 2003
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.