Alert archive / New York / Flash Flood Warnings in 1999

Flash Flood Warning 3, NWS Albany, NY

January 19, 1999Dutchess County, New York

NWS Albany, NY issued this flash flood warning at Jan 19, 1999, 4:13 AM EST for Dutchess County, New York. It was in force for 8 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
Jan 19, 1999, 4:13 AM EST (09:13 UTC)
Expired
Jan 19, 1999, 12:00 PM EST
In force
8 hr
Issued by
NWS Albany, NY
Area
Whole counties

County Dutchess County, NY

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 9.2 hours before the alert went out and 124 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, Brookhaven, NY at 00:00Z on 1999-01-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Brookhaven, NY at 00:00Z on 1999-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
484 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
194 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 
TTAA00 KALB 190914
FFWALB
NYC027-191700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY
413 AM EST TUE JAN 19 1999

THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLOOD WARNING FOR THE
WASSAIC CREEK IN EASTERN DUTCHESS COUNTY THROUGH NOON.

AN ICE JAM CONTINUES ALONG THE WASSAIC CREEK AND HAS CAUSED WATER
TO BACK UP ONTO COUNTY ROUTE 81 IN THE TOWN OF AMENIA. HOMES IN THE
AREA HAVE BEEN EVACUATED. THE AREA OF FLOODING IS LOCATED
APPROXIMATELY HALF WAY BETWEEN STATE ROUTE 22 AND SOUTH AMENIA RD
IN THE TOWN OF AMENIA.

AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS... AND BE PREPARED
TO MOVE TO HIGHER GROUND... SHOULD FLOOD WATERS THREATEN. IF FLASH
FLOODING IS OBSERVED... ACT QUICKLY. MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jan 18, 11:23 PM EST, 4 hours 50 minutes before
CTZ001-MAZ001-NYZ032-033-038>043-047>054-058>061-063>066-VTZ013-
014-190725-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
1123 PM EST MON JAN 18 1999

...WATER ON ROADS WILL FREEZE UP OVERNIGHT CAUSING ICY TRAVEL IN
PLACES...

TEMPERATURES OVERNIGHT WILL DROP TO NEAR OR BELOW FREEZING IN
PLACES.  WITH STANDING WATER FROM RAIN AND SNOWMELT IN MANY AREAS...
ICE WILL FORM IN SPOTS. IF YOU/RE TRAVELING OVERNIGHT USE EXTRA
CAUTION AND ADJUST YOUR SPEED TO ROAD CONDITIONS.
Local storm report, Jan 18, 11:58 PM EST, 4 hours 15 minutes before
NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP D
1156PM     MON JAN 18 1999
DNHT WLSR APTS AP30 TSYR
00322    FILE 28   SP MARCY  NY1320100                       JAN 18-99
TO       APB

ROAD CONDITION REPORT FOR DATE: 01/18/99     TIME:  11:30PM

COUNTY AFFECTED: ONEIDA COUNTY

HIGHWAY(S) AFFECTED: I-790W FROM RIVER RD TO ST-12

CONDITIONS:ROAD CLOSED UNTIL FURTHER NOTICE DUE TO FATAL MVA
CAUSED BY ICING CONDITIONS ON ROADWAY- FURTHER INFORMATION TO FOLLOW
WHEN AVAILABLE

AUTH CAPT JOHN W VANSTEENBURG                    SENT HENRY  11-45PM
OPER - HENRY,HARRY A                  2356

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 11:00 PM ESTFlash Flood WarningALYDutchess5 hr
Jan 19, 1:44 AM ESTFlash Flood WarningALYColumbia7 hr

Nearby

Flash Flood Warnings in New York, 1999Every flash flood warning in 1999

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.