Alert archive / New Jersey / Flash Flood Warnings in 2000

Flash Flood Warning 41, NWS Philadelphia/Mount Holly

August 13, 20004 counties in New Jersey

NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 13, 2000, 10:50 AM EDT for 4 counties in New Jersey. It was in force for 6 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
Aug 13, 2000, 10:50 AM EDT (14:50 UTC)
Expired
Aug 13, 2000, 4:45 PM EDT
In force
6 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Hunterdon County, NJ, Morris County, NJ, Sussex County, NJ, Warren County, NJ

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 2.8 hours before the alert went out and 162 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 12:00Z on 2000-08-13Temperature 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 12:00Z on 2000-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
610 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
98 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 KPHI 131454
FFWPHI
NJC019-027-037-041-132045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1050 AM EDT SUN AUG 13 2000

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN MORRIS COUNTY
  EASTERN WARREN COUNTY
  NORTHWEST HUNTERDON COUNTY
  EXTREME SOUTHERN SUSSEX COUNTY

* UNTIL 445 PM EDT.

* AROUND 1040 AM EDT...THE NATIONAL WEATHER SERVICE RECEIVED REPORTS
OF A CHANNEL BREAK AT STANHOPE ALONG THE MUSCONETCONG RIVER.  WATER IS
REPORTEDLY MOVING DOWN THE RIVER TOWARD HACKETTSTOWN AND WASHINGTON.
EVACUATIONS ARE BECOMING NECESSARY.

IF YOU LIVE IN THE AREA AFFECTED BY THE WARNING...FOLLOW THE
INSTRUCTIONS OF LOCAL OFFICIALS.
$$

IOVINO/GIGI/MILLER

LAT...LON 4089 7467 4060 7508 4066 7514 4095 7473

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 10:44 PM EDTFlash Flood WarningPHIAtlantic3 hr
Aug 13, 3:54 PM EDTFlash Flood WarningPHIHunterdon, Morris, Sussex, Warren6 hr

Nearby

Flash 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.