Alert archive / New York / Flash Flood Warnings in 2000

Flash Flood Warning 39, NWS Albany, NY

August 2, 2000Rensselaer County, New York

NWS Albany, NY issued this flash flood warning at Aug 2, 2000, 5:00 PM EDT for Rensselaer 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 counties it named.

The facts

Issued
Aug 2, 2000, 5:00 PM EDT (21:00 UTC)
Expired
Aug 2, 2000, 7:00 PM EDT
In force
2 hr
Issued by
NWS Albany, NY
Area
Whole counties

County Rensselaer County, NY

The radar

The Albany radar (KENX), 47 km from the middle of the area, began a volume at 21:00 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, 9.0 hours before the alert went out and 26 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 2000-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 278 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 2000-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
278 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
628 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KALY 022101
FFWALY
NYC083-022300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
500 PM EDT WED AUG 2 2000

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN RENSSELAER COUNTY IN EAST CENTRAL NEW YORK

* UNTIL 700 PM EDT

* AT 454 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY
  HEAVY RAIN FROM SOUTH OF MECHANICVILLE TO JUST SOUTHWEST OF HOOSICK
  FALLS MOVING EAST AT 15 MPH.

SOME LOCATIONS AFFECTED WILL INCLUDE SCAGHTICOKE...VALLEY FALLS...
JOHNSONVILLE...AND HOOSICK FALLS.

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, ABANDO	N IT IMMEDIATELY AND SEEK
HIGHER GROUND.
1 follow-up statement
000 
RWUS32 KALY 022201
NYC083-022300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
601 PM EDT WED AUG 2 2000


THE NATIONAL WEATHER SERVICE HAS CANCELLED THE FLASH FLOOD WARNING
FOR NORTHERN RENSSELAER COUNTY.

THUNDERSTORMS WITH HEAVY RAIN HAVE MOVED OUT OF NORTHERN RENNSELAER
COUNTY AND THE THREAT OF FLASH FLOODING HAS ENDED..  GENERALLY UP TO
3 INCHES OF RAIN HAS FALLEN IN SOME ISOLATED AREAS.  THERE STILL IS
THE CHANCE OF SHOWERS AND THUNDERSTORMS THIS EVENING...SO PEOPLE
SHOULD STILL BE ALERT FOR QUICKLY RISING STREAMS AND CREEKS...AND
PONDING OF WATER IN LOW LYING AREAS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 9:16 PM EDTFlash Flood WarningALYHerkimer2 hr
Aug 2, 2:43 PM EDTFlash Flood WarningALYRensselaer, Saratoga, Washington2 hr

Nearby

Flash Flood Warnings in New York, 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.