Alert archive / New York / Flash Flood Warnings in 2000

Flash Flood Warning 5, NWS New York, NY

May 18, 2000Richmond County, New York; Union County, New Jersey

NWS New York, NY issued this flash flood warning at May 18, 2000, 9:17 PM EDT for Richmond County, New York; Union County, New Jersey. 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
May 18, 2000, 9:17 PM EDT (01:17 UTC)
Expired
May 18, 2000, 11:30 PM EDT
In force
2 hr
Issued by
NWS New York, NY
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Union County, NJ, Richmond County, NY

The radar

The Philadelphia radar (KDIX), 78 km from the middle of the area, began a volume at 01:16 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 00:00Z, 1.3 hours before the alert went out and 231 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 2000-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 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 00:00Z on 2000-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
19 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
696 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
58 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 KOKX 190124
FFWOKX
NJC039-NYC085-190330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
917 PM EDT THU MAY 18 2000

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES...

  IN NORTHEASTERN NEW JERSEY...
     UNION...

  IN SOUTHEASTERN NEW YORK STATE...
     RICHMOND (STATEN ISLAND)...

* UNTIL 1130 PM EDT...

* AT 917 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. RAINFALL
RATES OF ONE INCH AN HOUR HAVE BEEN INDICATED BY RADAR.

AREAS ALONG THE FOLLOWING SMALL RIVERS AND STREAMS WILL BE
AFFECTED...THE RAHWAY RIVER IN UNION COUNTY NEW JERSEY

ROUTE 27 IN RAHWAY IS ESPECIALLY FLOOD PRONE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

$d$

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN UPTON NY.

LAT...LON 4066 7403 4053 7403 4055 7448 4073 7438

Nearby

Flash Flood Warnings in New York, 2000Flash Flood Warnings in New Jersey, 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.