Alert archive / New York / Flash Flood Warnings in 2003

Flash Flood Warning 1, NWS Albany, NY

June 21, 2003Herkimer County, New York

NWS Albany, NY issued this flash flood warning at Jun 21, 2003, 8:36 PM EDT for Herkimer County, New York. It was in force for 4 hr. 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 21, 2003, 8:36 PM EDT (00:36 UTC)
Expired
Jun 22, 2003, 12:30 AM EDT
In force
4 hr
Issued by
NWS Albany, NY
Area
Whole counties

County Herkimer County, NY

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 0.6 hours before the alert went out and 123 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 00:00Z on 2003-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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, Albany, NY at 00:00Z on 2003-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
54 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
182 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 KALY 220036
FFWALY
NYC043-220430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
836 PM EDT SAT JUN 21 2003

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN HERKIMER COUNTY IN EASTERN NEW YORK

* UNTIL 1230 AM EDT

* AT 824 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED MORE HEAVY 
RAIN IN SOUTHERN HERKIMER COUNTY FALLING OVER AREAS WHICH HAVE 
ALREADY RECEIVED HEAVY RAIN.

IN THE PAST 38 HOURS ENDING AT 830 PM...WEATHER RADAR ESTIMATES 
SHOWED THAT BETWEEN 2 TO 4 INCHES OF RAIN HAD FALLEN IN AN AREA 
BETWEEN LITTLE FALLS AND THE BLACK CREEK RESERVOIR.  THE AREAS WITH 
THE HEAVIEST TOTAL RAINFALL HAS INCREASED IN SIZE.

AT 545 PM THERE WAS A REPORT OF STANDING WATER ON ROUTE 5 NEAR 
LITTLE FALLS...AND THAT SOME MUD AND ROCKS HAD COLLECTED ON THE ROAD.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 4327 7474 4289 7477 4288 7523 4323 7510

GG

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.