Alert archive / Pennsylvania / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 502

June 25, 200013 counties in New Jersey; 12 counties in New York; 21 counties in Pennsylvania

The Storm Prediction Center issued this severe thunderstorm watch at Jun 25, 2000, 8:00 PM EDT for 13 counties in New Jersey; 12 counties in New York; 21 counties in Pennsylvania. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Jun 25, 2000, 8:00 PM EDT (00:00 UTC)
Expired
Jun 25, 2000, 11:00 PM EDT
In force
3 hr
Issued by
the Storm Prediction Center
All 46 counties

Bergen County, NJ, Essex County, NJ, Gloucester County, NJ, Hudson County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Morris County, NJ, Passaic County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Bronx County, NY, Dutchess County, NY, Kings County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Sullivan County, NY, Ulster County, NY, Westchester County, NY, Adams County, PA, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Cumberland County, PA, Dauphin County, PA, Delaware County, PA, Lackawanna County, PA, Lancaster County, PA, Lebanon County, PA, Lehigh County, PA, Luzerne County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA, Pike County, PA, Schuylkill County, PA, Wayne County, PA, York County, PA

Warnings issued inside it

11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 25, 8:01 PM EDTSevere Thunderstorm WarningALYDutchess59 min
Jun 25, 8:02 PM EDTTornado WarningCTPLancaster28 min
Jun 25, 8:04 PM EDTSevere Thunderstorm WarningALYUlster41 min
Jun 25, 8:29 PM EDTTornado WarningCTPLancaster31 min
Jun 25, 8:43 PM EDTSevere Thunderstorm WarningALYDutchess47 min
Jun 25, 8:50 PM EDTSevere Thunderstorm WarningCTPAdams40 min
Jun 25, 9:03 PM EDTSevere Thunderstorm WarningCTPYork57 min
Jun 25, 9:05 PM EDTTornado WarningCTPLancaster25 min
Jun 25, 9:30 PM EDTSevere Thunderstorm WarningCTPLancaster60 min
Jun 25, 10:30 PM EDTFlash Flood WarningCTPLancaster, Lebanon4 hr
Jun 25, 10:58 PM EDTFlash Flood WarningPHIBerks3 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.0 hours before the alert went out and 225 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 2000-06-26Temperature 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 2000-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.193958Sfc1 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
1426 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Watches in Pennsylvania, 2000Severe Thunderstorm Watches in New Jersey, 2000Severe Thunderstorm Watches in New York, 2000Every severe thunderstorm watch 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.