Alert archive / New Jersey / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 60, NWS Philadelphia/Mount Holly

May 24, 2000Warren County, New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 24, 2000, 5:04 PM EDT for Warren County, New Jersey; Northampton County, Pennsylvania. It was in force for 26 min. 2 reports came from 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, with what was reported inside it.

The facts

Issued
May 24, 2000, 5:04 PM EDT (21:04 UTC)
Expired
May 24, 2000, 5:30 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Warren County, NJ, Northampton County, PA

What was reported inside it

TimeReportWhereRemark
May 24, 5:05 PM EDTHail 1.25Glendon, PA
May 24, 5:12 PM EDTHail 1Phillipsburg, NJ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 24, 4:30 PM EDTSevere Thunderstorm WatchSPC6 hr
May 24, 3:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.1 hours before the alert went out and 157 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, Phillips Aaf/Abe, MD at 12:00Z on 2000-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 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, Phillips Aaf/Abe, MD at 12:00Z on 2000-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
89 J/kg
Mixed-layer CIN
-178 J/kg
Mixed-layer LCL
816 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
45 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.

944 
WUUS51 KPHI 242105
SVRPHL
NJC041-PAC095-242130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
504 PM EDT WED MAY 24 2000

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA.   
  SOUTHWESTERN WARREN COUNTY IN NORTHWEST NEW JERSEY.

* UNTIL 530 PM EDT.

* AT 501 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM... 3 MILES SOUTH OF NAZARETH...OR ABOUT 6 MILES
  NORTHEAST OF BETHLEHEM...MOVING SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  EASTON AT 510 PM EDT...
  ALPHA AT 515 PM EDT...

HAIL UP TO THE SIZE OF QUARTERS IS EXPECTED FROM THIS STORM. IF YOU
ARE IN THE STORMS PATH...SEEK SHELTER INDOORS.

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

MPD
NNNN

LAT...LON 4081 7534 4065 7543 4062 7516 4072 7500

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 5:15 PM EDTSevere Thunderstorm WarningPHIHunterdon30 min
May 24, 6:08 PM EDTSevere Thunderstorm WarningPHIMiddlesex32 min
May 24, 3:29 PM EDTSevere Thunderstorm WarningPHICarbon31 min
May 24, 3:54 PM EDTSevere Thunderstorm WarningPHIMonroe36 min
May 24, 4:11 PM EDTSevere Thunderstorm WarningPHINorthampton24 min
May 24, 4:57 PM EDTSevere Thunderstorm WarningPHIBerks33 min
May 24, 7:19 PM EDTSevere Thunderstorm WarningPHILehigh26 min
May 24, 7:24 PM EDTSevere Thunderstorm WarningPHIBerks36 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2000Severe Thunderstorm Warnings in Pennsylvania, 2000Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.