Alert archive / New York / Flash Flood Warnings in 2000

Flash Flood Warning 46, NWS Albany, NY

December 17, 2000Greene County, Ulster County, New York; Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this flash flood warning at Dec 17, 2000, 10:33 AM EST for Greene County, Ulster County, New York; Northwest Hills Planning Region, Connecticut. It was in force for 6 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
Dec 17, 2000, 10:33 AM EST (15:33 UTC)
Expired
Dec 17, 2000, 4:30 PM EST
In force
6 hr
Issued by
NWS Albany, NY
Area
Whole counties

Counties Northwest Hills Planning Region, CT, Greene County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 67 km from the middle of the area, began a volume at 15:34 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, 3.6 hours before the alert went out and 76 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 2000-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 141 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2000-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
141 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
497 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 171538
FFWALY
CTC005-NYC039-111-172130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
1033 AM EST SUN DEC 17 2000

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GREENE COUNTY IN EAST CENTRAL NEW YORK
  ULSTER COUNTY IN EAST CENTRAL NEW YORK
  LITCHFIELD COUNTY IN NORTHERN CONNECTICUT

* UNTIL 430 PM EST

* AT 1028 AM EST...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN MOVING OUT OF NORTHEAST PENNSYLVANIA AND NORTHERN NEW JERSEY
  INTO ULSTER AND GREENE COUNTIES WITH HEAVY RAIN ALSO OVER
  LITCHFIELD COUNTY.

THE FLASH FLOOD WARNING FOR LITCHFIELD COUNTY HAS BEEN EXTENDED TO
INCLUDE THE ENTIRE COUNTY.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 9:50 AM ESTFlash Flood WarningALYColumbia, Dutchess6 hr
Dec 17, 9:59 AM ESTFlash Flood WarningALYColumbia, Dutchess6 hr
Dec 17, 11:50 AM ESTFlash Flood WarningALYAlbany, Fulton, Hamilton, Montgomery, Rensselaer, Saratoga and 4 more6 hr
Dec 17, 3:55 PM ESTFlash Flood WarningALYColumbia, Dutchess, Greene, Ulster3 hr

Nearby

Flash Flood Warnings in New York, 2000Flash Flood Warnings in Connecticut, 2000Every flash flood warning in 2000

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.