Alert archive / New Jersey / Flash Flood Warnings in 1999

Flash Flood Warning 13, NWS New York, NY

January 15, 1999Hudson County, New Jersey; New York County, New York

NWS New York, NY issued this flash flood warning at Jan 15, 1999, 8:53 AM EST for Hudson County, New Jersey; New York County, New York. It was in force for 5 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 15, 1999, 8:53 AM EST (13:53 UTC)
Expired: Jan 15, 1999, 2:00 PM EST
In force: 5 hr
Issued by: NWS New York, NY
Area: Whole counties

Counties Hudson County, NJ, New York County, NY

The radar

The Philadelphia radar (KDIX), 95 km from the middle of the area, began a volume at 13:52 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 12:00Z, 1.9 hours before the alert went out and 98 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: 370 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 396 m²/s²
0-3 km storm-relative helicity: 431 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 151352
FFWNYC
NJC013-017-039-NYC005-047-059-061-081-085-103-151900-

BULLETIN - EAS ACTIVIATION/IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
853 AM EST FRI JAN 15 1999

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A

* FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS FOR...
  THE FOLLOWING COUNTIES IN SOUTHEAST NEW YORK
  NEW YORK
  BRONX
  RICHMOND
  KINGS
  QUEENS
  NASSAU
  SUFFOLK
  AND IN NORTHEAST NEW JERSEY
  ESSEX
  HUDSON
  UNION

* UNTIL 200 PM EST

* AT 845 AM...  NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATES HEAVY RAINS WILL CONTINUE TO MOVE NORTHEAST ACROSS
  THE AREA INTO EARLY THIS AFTERNOON. THESE RAINS WILL PRODUCE
  WIDESPREAD ROADWAY FLOODING AND SIGNIFICANT PONDING OF WATER IN
  POOR DRAINAGE AND LOW-LYING AREAS.

* DO NOT DRIVE YOUR AUTOMOBILE THROUGH FLOODED ROADWAYS OR
  UNDERPASSES. NEVER DRIVE THROUGH WATER OF UNKNOWN DEPTH. YOU
  ENDANGER THE LIVES OF ALL OCCUPANTS IN YOUR VEHICLE. FIND AN
  ALTERNATE ROUTE. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS
  DIFFICULT TO SEE PONDING WATER ON THE ROADWAY.

  IAA/SDR


&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 15, 8:53 AM EST	Flash Flood Warning	OKX	Essex, Union	5 hr
Jan 15, 9:41 AM EST	Flash Flood Warning	OKX	Bergen, Passaic	4 hr
Jan 15, 8:53 AM EST	Flash Flood Warning	OKX	Nassau, Queens, Suffolk	5 hr
Jan 15, 8:53 AM EST	Flash Flood Warning	OKX	Bronx	5 hr
Jan 15, 8:53 AM EST	Flash Flood Warning	OKX	Kings	5 hr
Jan 15, 8:53 AM EST	Flash Flood Warning	OKX	Richmond	5 hr
Jan 15, 9:19 AM EST	Severe Thunderstorm Warning	OKX	Suffolk	61 min
Jan 15, 9:41 AM EST	Flash Flood Warning	OKX	Westchester	4 hr
Jan 15, 10:35 AM EST	Flash Flood Warning	OKX	Westchester	4 hr

Nearby

Flash Flood Warnings in New Jersey, 1999 Flash Flood Warnings in New York, 1999 Every 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.