Alert archive / Pennsylvania / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 367
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:18 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Montgomery | 27 min |
| Jun 1, 1:26 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 49 min |
| Jun 1, 1:53 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 22 min |
| Jun 1, 2:29 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Saratoga | 46 min |
| Jun 1, 3:08 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 52 min |
| Jun 1, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 35 min |
| Jun 1, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 44 min |
| Jun 1, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 69 min |
| Jun 1, 4:01 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 44 min |
| Jun 1, 4:10 PM EDT | Severe Thunderstorm Warning | OKX | Passaic | 50 min |
| Jun 1, 4:11 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 79 min |
| Jun 1, 4:17 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 43 min |
| Jun 1, 4:20 PM EDT | Severe Thunderstorm Warning | BGM | Chenango, Otsego | 25 min |
| Jun 1, 4:22 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 23 min |
| Jun 1, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 50 min |
| Jun 1, 4:42 PM EDT | Severe Thunderstorm Warning | OKX | Bergen | 63 min |
| Jun 1, 4:44 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 46 min |
| Jun 1, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 61 min |
| Jun 1, 5:16 PM EDT | Severe Thunderstorm Warning | BGM | Oneida | 29 min |
| Jun 1, 5:17 PM EDT | Tornado Warning | OKX | Bergen | 43 min |
| Jun 1, 5:17 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 13 min |
| Jun 1, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 41 min |
| Jun 1, 5:37 PM EDT | Severe Thunderstorm Warning | OKX | Union | 53 min |
| Jun 1, 5:38 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 52 min |
| Jun 1, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 36 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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 11:11 AM EDT | Mesoscale Discussion | SPC | Camden, Cumberland, Gloucester, Hunterdon, Mercer, Morris and 4 more | 64 min |
| Jun 1, 11:45 AM EDT | Severe Thunderstorm Watch | SPC | Atlantic, Cape May, Cumberland, Gloucester, Salem | 6 hr |
| Jun 1, 4:22 PM EDT | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more | 53 min |
| Jun 1, 3:55 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Beaver, Washington | 7 hr |
| Jun 1, 4:56 PM EDT | Mesoscale Discussion | SPC | Allegheny, Beaver, Fayette, Greene, Washington | 34 min |
| Jun 1, 5:15 PM EDT | Severe Thunderstorm Watch | SPC | Bedford, Blair, Cambria, Fayette, Fulton, Greene and 6 more | 5 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.