Alert archive / Pennsylvania / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 367

June 1, 20044 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 1, 2004, 12:25 PM EDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 1, 2004, 12:25 PM EDT (16:25 UTC)
Expired
Jun 1, 2004, 6:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
All 97 counties

Bergen County, NJ, Burlington County, NJ, Camden County, NJ, Essex 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, Albany County, NY, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Jefferson County, NY, Lewis County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Orange County, NY, Oswego County, NY, Otsego County, NY, Rensselaer County, NY, Rockland County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Wayne County, NY, Yates County, NY, Adams County, PA, Bedford County, PA, Berks County, PA, Blair County, PA, Bradford County, PA, Bucks County, PA, Carbon County, PA, Centre County, PA, Chester County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Delaware County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lackawanna County, PA, Lancaster County, PA, Lebanon County, PA, Lehigh County, PA, Luzerne County, PA, Lycoming County, PA, Mifflin County, PA, Monroe County, PA, Montgomery County, PA, Montour County, PA, Northampton County, PA, Northumberland County, PA, Perry County, PA, Philadelphia County, PA, Pike County, PA, Potter County, PA, Schuylkill County, PA, Snyder County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Union County, PA, Wayne County, PA, Wyoming County, PA, York County, PA, Bennington County, VT, Rutland County, VT

The radar

The Binghamton radar (KBGM), 87 km from the middle of the area, began a volume at 16:27 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 1, 1:18 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery27 min
Jun 1, 1:26 PM EDTSevere Thunderstorm WarningCTPAdams49 min
Jun 1, 1:53 PM EDTSevere Thunderstorm WarningCTPPerry22 min
Jun 1, 2:29 PM EDTSevere Thunderstorm WarningALYFulton, Saratoga46 min
Jun 1, 3:08 PM EDTSevere Thunderstorm WarningCTPSchuylkill52 min
Jun 1, 3:10 PM EDTSevere Thunderstorm WarningCTPHuntingdon35 min
Jun 1, 3:31 PM EDTSevere Thunderstorm WarningPHIBurlington44 min
Jun 1, 3:36 PM EDTSevere Thunderstorm WarningPHISussex69 min
Jun 1, 4:01 PM EDTSevere Thunderstorm WarningOKXOrange44 min
Jun 1, 4:10 PM EDTSevere Thunderstorm WarningOKXPassaic50 min
Jun 1, 4:11 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean79 min
Jun 1, 4:17 PM EDTSevere Thunderstorm WarningALYDutchess43 min
Jun 1, 4:20 PM EDTSevere Thunderstorm WarningBGMChenango, Otsego25 min
Jun 1, 4:22 PM EDTSevere Thunderstorm WarningCTPCumberland23 min
Jun 1, 4:25 PM EDTSevere Thunderstorm WarningCTPFranklin50 min
Jun 1, 4:42 PM EDTSevere Thunderstorm WarningOKXBergen63 min
Jun 1, 4:44 PM EDTSevere Thunderstorm WarningPHISussex46 min
Jun 1, 4:59 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset61 min
Jun 1, 5:16 PM EDTSevere Thunderstorm WarningBGMOneida29 min
Jun 1, 5:17 PM EDTTornado WarningOKXBergen43 min
Jun 1, 5:17 PM EDTSevere Thunderstorm WarningBUFOswego13 min
Jun 1, 5:34 PM EDTSevere Thunderstorm WarningPHIMiddlesex41 min
Jun 1, 5:37 PM EDTSevere Thunderstorm WarningOKXUnion53 min
Jun 1, 5:38 PM EDTSevere Thunderstorm WarningCTPJuniata, Mifflin52 min
Jun 1, 5:39 PM EDTSevere Thunderstorm WarningPHIMorris36 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 4.4 hours before the alert went out and 247 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, Albany, NY at 12:00Z on 2004-06-01Temperature 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, Albany, NY at 12:00Z on 2004-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.1939587897Sfc1 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
492 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
172 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 
WWUS20 KWNS 011624
SEL7  
SPC WW 011625
NJZ000-NYZ000-PAZ000-LOZ000-012200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 367
NWS STORM PREDICTION CENTER NORMAN OK
1225 PM EDT TUE JUN 1 2004

CORRECTED TO ADD YATES CNTY NY

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 

  NEW JERSEY
  NEW YORK
  PENNSYLVANIA
  LAKE ONTARIO

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 1225 PM UNTIL
600 PM EDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 110 STATUTE MILES
EAST AND WEST OF A LINE FROM 65 MILES NORTH NORTHEAST OF UTICA NEW
YORK TO 35 MILES SOUTH SOUTHEAST OF HARRISBURG PENNSYLVANIA.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 365...WW 366...WW 367...

DISCUSSION...

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM
MOTION VECTOR 26030.


...CORFIDI

440,0724 394,0743 394,0784 440,0770

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 1, 11:11 AM EDTMesoscale DiscussionSPCCamden, Cumberland, Gloucester, Hunterdon, Mercer, Morris and 4 more64 min
Jun 1, 11:45 AM EDTSevere Thunderstorm WatchSPCAtlantic, Cape May, Cumberland, Gloucester, Salem6 hr
Jun 1, 4:22 PM EDTMesoscale DiscussionSPCAtlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more53 min
Jun 1, 3:55 PM EDTSevere Thunderstorm WatchSPCAllegheny, Beaver, Washington7 hr
Jun 1, 4:56 PM EDTMesoscale DiscussionSPCAllegheny, Beaver, Fayette, Greene, Washington34 min
Jun 1, 5:15 PM EDTSevere Thunderstorm WatchSPCBedford, Blair, Cambria, Fayette, Fulton, Greene and 6 more5 hr

Nearby

Severe Thunderstorm Watches in Pennsylvania, 2004Severe Thunderstorm Watches in New York, 2004Severe Thunderstorm Watches in New Jersey, 2004Every severe thunderstorm watch in 2004

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.