Alert archive / New Jersey / Flash Flood Warnings in 2000

Flash Flood Warning 20, NWS Philadelphia/Mount Holly

July 16, 2000Warren County, New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 16, 2000, 5:56 PM EDT for Warren County, New Jersey; Northampton County, Pennsylvania. 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 counties it named.

The facts

Issued
Jul 16, 2000, 5:56 PM EDT (21:56 UTC)
Expired
Jul 16, 2000, 8:00 PM EDT
In force
2 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Warren County, NJ, Northampton County, PA

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 193 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 2000-07-16Temperature 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 2000-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
905 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
60 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 162159
FFWPHI
NJC041-PAC095-170000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
556 PM EDT SUN JUL 16 2000

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA
  WARREN COUNTY IN NORTHWEST NEW JERSEY

* UNTIL 800 PM EDT.

* AT 551 PM EDT...A BRIDGE GUARDS ON THE RIVER CROSSINGS REPORTED
VERY HEAVY RAINFALL AND RADAR ESTIMATED IN EXCESS OF 3 INCHES OF
RAINFALL IN THE LAST HOUR..

* SOME LOCATIONS AFFECTED INCLUDE...
  EAST BANGOR...
  OXFORD...
  BLAIRSTOWN...
  BELVIDERE...

FOR THE LATEST STORM INFORMATION...PLEASE TUNE ~TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

$$

LAT...LON 4087 7520 4074 7503 4098 7490 4100 7510

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 2:46 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden44 min
Jul 16, 2:56 PM EDTSevere Thunderstorm WarningPHIGloucester34 min
Jul 16, 3:39 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer36 min
Jul 16, 2:40 PM EDTSevere Thunderstorm WarningPHIChester35 min
Jul 16, 3:27 PM EDTSevere Thunderstorm WarningPHIPhiladelphia33 min

Nearby

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