Alert archive / New York / Flash Flood Warnings in 1990

Flash Flood Warning 19, NWS Albany, NY

August 10, 1990Putnam County, New York

NWS Albany, NY issued this flash flood warning at Aug 10, 1990, 9:47 PM EDT for Putnam County, New York. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Aug 10, 1990, 9:47 PM EDT (01:47 UTC)
Expired: Aug 11, 1990, 1:45 AM EDT
In force: 4 hr
Issued by: NWS Albany, NY
Area: Whole counties

County Putnam County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Albany, NY (KALB), launched 00:00Z, 1.8 hours before the alert went out and 141 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: NaN m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 144 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 110203 COR
FFWALB
NYC079-110545-

BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE ALBANY NY...................CORRECTED
947 PM EDT FRI AUG 10 1990

THE NATIONAL WEATHER SERVICE IN ALBANY NY  HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  145 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......

IN SOUTHEAST NEW YORK

   ...PUTNAM COUNTY

TORRENTIAL RAIN WAS OVER PUTNAM COUNTY THIS EVENING. PUTNAM COUNTY
SHERIFF REPORTS MANY ROADWAYS FLOODED AND ALL STREAMS AND CREEKS WERE
AT BANKFUL AND READY TO OVERFLOW. THE CARMEL AND KENT AREAS IN
PARTICULAR HAD MANY STREETS AND BASEMENTS FLOODED.

MORE HEAVY RAIN IS ON THE WAY FOR PUTNAM COUNTY...AT LEAST TIL ABOUT
MIDNIGHT. SEVERAL STREAMS AND CREEKS WILL GO OVER THEIR BANKS.

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.

CORRECTED TO ADD WORDS LOST IN TRANSMISSION.

KANE

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

Local storm report, Aug 10, 7:42 PM EDT, 2 hours 5 minutes before

NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP K
0746PM EDT FRI AUG 10 1990
KPSO WLSR APTS
02980        FILE 28   PUTNAM COUNTY SO CARMEL NY    AUG-10-90
TO           NATIONAL WEATHER SERVICE
                   THUNDERSTORM/HIGH WIND

LOCATION (INCLUDING TOWN AND NEAREST ROAD): PATTERSON/CARMEL
PHILIPSTOWN/KENT/SOUTHEAST AND PUTNAM VALLEY
DATE AND TIME CONDITION STARTED: 08/10/90    @1530 HRS
EXTENT OF DAMAGE OR AREAS IN DANGER: LOCALIZED FLOODING/DAMAGING WINDS

CHECK ONE:
HAIL SIZE REPORTED
(X) - NO HAIL REPORTED    ( ) - LESS THAN 1/2" (PEA)
( ) - 1/2" (MARBLE)       ( ) - 1/2" TO 3/4" (PENNY)
( ) - 3/4" TO 1" (DIME)   ( ) - 1.25" (HALF DOLLAR)
( ) - 1.50" (WALNUT)      ( ) - 1.75" (GOLFBALL)
( ) - 2.00" (HENS EGG)    ( ) - 2.50" (TENNISBALL)
( ) - 2.75" (BASEBALL)    ( ) - 3.00" (TEA CUP)
( ) - 4.00" (GRAPEFRUIT)  ( ) - 4.50" (SOFTBALL)
NUMBER KILLED: 0        NUMBER INJURED: 0

CHECK ONE OR MORE AS APPLICABLE:
LIGHTNING REPORTED AS (X) - CLOUD TO CLOUD  (X) - CLOUD TO GROUND
LIGHTNING DAMAGE TO:            ( ) - TREES
(X) - POWER/TELCO POLES   (X) - POWER/TELCO LINES
( ) - COMM. BUILDINGS     ( ) - PRIVATE HOMES
( ) - OUT/FARM BUILDINGS  ( ) - CROPS
NUMBER KILLED:          NUMBER INJURED:

CHECK ONE OR MORE AS APPLICABLE:
HIGH WIND/T'STORM WIND DAMAGE   ( ) - CROPS
(X) - SMALL TREES/SHRUBS  ( ) - LARGE TREES
( ) - COMM. BUILDINGS     ( ) - PRIVATE HOMES
( ) - OUT/FARM BUILDINGS  ( ) - POWER/TELCO POLES
( ) - POWER/TELCO LINES

RELIABLE WIND SPEED REPORTS:     MPH OR    KNOTS
NUMBER KILLED: 0        NUMBER INJURED: 0

FLOODING (IF EXTENSIVE, SEND SEPARATE FLOOD MESSAGE FROM MENU)
(X) - STORM SEWER OVERFLOWS, UNDERPASSES, STREET FLOODING
(X) - LOCAL SMALL CREEKS OVERFLOWING
( ) - STREAMS AND LARGE CREEKS FLOODING (COMPLETE REMARKS W/DAMAGE

REMARKS:                                                     h

AUTH PHONE #: 914 225-4300
AUTH SHERIFF ROBERT D THOUBBORON    YANNI         1940HRS

Local storm report, Aug 10, 9:01 PM EDT, 46 minutes before

NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP F
0905PM EDT FRI AUG 10 1990
FRSO WLSR APTS
06324    FILE 28   ROCKLAND CO SO NY0430000         AUG 10-90
TO           NATIONAL WEATHER SERVICE
                          FLOOD EVENT
CHECK ONE OR MORE AS APPROPRIATE:
( ) - STREAM/RIVER NEAR BANKFUL
(X) - STREAM/RIVER AT BANKFULL READY TO FLOOD
( ) - FLOODING ACTUALLY OCCURING
( ) - FLOODING IS CONFINED TO FLOOD PLAIN, NO IMMENIENT DAMAGE
( ) - FLOODING IS/ABOUT TO EFFECT REAL PROPERTY
LOCATION (INCLUDING TOWN AND NEAREST ROAD): HAMLET OF WEST NYACK NY
WEST NYACK ROAD AND WESTERN HIGHWAY
DATE AND TIME CONDITION STARTED: 8/10/90-2000 HOURS
NAME OF STREAM/RIVER:HACKENSACK RIVER
EXTENT OF DAMAGE OR AREAS IN DANGER:

REMARKS: ALSO STATE ROUTE 59 IN WEST NYACK NEAR BESSO STREET IS
BARELY PASSABLE AT THIS POINT EAST & WEST BOUND
AUTH PHONE #: 354    -8300
AUTH COMMUNICATIONS                 J BRITNEY     9-00 PM

Local storm report, Aug 10, 9:34 PM EDT, 13 minutes before

NEW YORK STATEWIDE POLICE INFORMATION NETWORK
TROOP K
0938PM EDT FRI AUG 10 1990
KPSO WLSR APTS
02981        FILE 28   PUTNAM COUNTY SO  CARMEL NY0390000    081090
TO           NATIONAL WEATHER SERVICE
                   THUNDERSTORM/HIGH WIND

LOCATION (INCLUDING TOWN AND NEAREST ROAD): CARMEL/KENT/PHILIPSTOWN/
PATTERSON
DATE AND TIME CONDITION STARTED: 08/10/90  1530 HOURS
EXTENT OF DAMAGE OR AREAS IN DANGER: LOCALIZED STREET FLOODING
STREAMS AND BROOKS REACHING CAPACITY

CHECK ONE:
HAIL SIZE REPORTED
(X) - NO HAIL REPORTED    ( ) - LESS THAN 1/2" (PEA)
( ) - 1/2" (MARBLE)       ( ) - 1/2" TO 3/4" (PENNY)
( ) - 3/4" TO 1" (DIME)   ( ) - 1.25" (HALF DOLLAR)
( ) - 1.50" (WALNUT)      ( ) - 1.75" (GOLFBALL)
( ) - 2.00" (HENS EGG)    ( ) - 2.50" (TENNISBALL)
( ) - 2.75" (BASEBALL)    ( ) - 3.00" (TEA CUP)
( ) - 4.00" (GRAPEFRUIT)  ( ) - 4.50" (SOFTBALL)
NUMBER KILLED: 0        NUMBER INJURED: 0

CHECK ONE OR MORE AS APPLICABLE:
LIGHTNING REPORTED AS ( ) - CLOUD TO CLOUD  ( ) - CLOUD TO GROUND
LIGHTNING DAMAGE TO:            ( ) - TREES
( ) - POWER/TELCO POLES   ( ) - POWER/TELCO LINES
( ) - COMM. BUILDINGS     ( ) - PRIVATE HOMES
( ) - OUT/FARM BUILDINGS  ( ) - CROPS
NUMBER KILLED: 0        NUMBER INJURED: 0

CHECK ONE OR MORE AS APPLICABLE:
HIGH WIND/T'STORM WIND DAMAGE   ( ) - CROPS
(X) - SMALL TREES/SHRUBS  (X) - LARGE TREES
( ) - COMM. BUILDINGS     ( ) - PRIVATE HOMES
( ) - OUT/FARM BUILDINGS  ( ) - POWER/TELCO POLES
( ) - POWER/TELCO LINES

RELIABLE WIND SPEED REPORTS:     MPH OR    KNOTS
NUMBER KILLED: 0        NUMBER INJURED: 0

FLOODING (IF EXTENSIVE, SEND SEPARATE FLOOD MESSAGE FROM MENU)
(X) - STORM SEWER OVERFLOWS, UNDERPASSES, STREET FLOODING
(X) - LOCAL SMALL CREEKS OVERFLOWING
(X) - STREAMS AND LARGE CREEKS FLOODING (COMPLETE REMARKS W/DAMAGE

REMARKS: TREE BRANCHES DOWN IN ROADWAY / CONTINUED TORRENTIAL
DOWNPOURS THROUGHOUT THE COUNTY / FIRE DEPARTMENTS RESPONDING TO
NUMEROUS FLOODED BASEMENTS
AUTH PHONE #: 914 225-4300
AUTH SHERIFF ROBERT D THOUBBORON    HOSMER        2135

Nearby

Flash Flood Warnings in New York, 1990 Every flash flood warning in 1990

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.