Alert archive / New Jersey / Flash Flood Warnings in 1999

Flash Flood Warning 22, NWS New York, NY

January 18, 1999Bergen County, New Jersey

NWS New York, NY issued this flash flood warning at Jan 18, 1999, 7:37 PM EST for Bergen County, New Jersey. It was in force for 4 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 18, 1999, 7:37 PM EST (00:37 UTC)
Expired
Jan 18, 1999, 11:35 PM EST
In force
4 hr
Issued by
NWS New York, NY
Area
Whole counties

County Bergen County, NJ

The radar

The Brookhaven radar (KOKX), 102 km from the middle of the area, began a volume at 00:40 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

Brookhaven, NY (KOKX), launched 00:00Z, 0.6 hours before the alert went out and 102 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 KNYC 190038
FFWNYC
NJC003-190435-

BULLETIN - EAS ACTIVATION/IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
737 PM EST MON JAN 18 1999

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR...
  BERGEN COUNTY IN NORTHEASTERN NEW JERSEY

* UNTIL 1135 PM EST

* HEAVY RAINS THAT OCCURRED THIS EVENING HAVE CAUSED STREAMS TO
OVERFLOW THEIR BANKS. THE HEAVY RAIN HAS NOW ENDED...BUT SMALL
STREAMS WILL CONTINUE TO RISE FOR THE NEXT COUPLE OF HOURS BEFORE
CRESTING. THE RIVER GAGE AT HOHOKUS IS NOW AT 3.08 FT...FLOOD STAGE
IS AT 3.00 FT.

* BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
  DANGER OF FLOODINGl.

  EKH/IAA

Nearby

Flash Flood Warnings in New Jersey, 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; radar from the NEXRAD Level II archive.