Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 35, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 24, 2004, 5:08 PM EDT for Bucks County, Pennsylvania; Hunterdon County, New Jersey. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 24, 2004, 5:08 PM EDT (21:08 UTC)
- Expired
- May 24, 2004, 6:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 91 km from the middle of the area, began a volume at 21:08 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 24, 4:55 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.1 hours before the alert went out and 153 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
- 15 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1572 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
588 WUUS51 KPHI 242108 SVRPHI NJC019-PAC017-242200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 508 PM EDT MON MAY 24 2004 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY NORTH CENTRAL BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA * UNTIL 600 PM EDT * AT 502 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED 13 MILES WEST OF MILFORD...OR ABOUT OVER BETHLEHEM...AND MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MILFORD AND 7 MILES NORTH OF FRENCHTOWN BY 525 PM EDT HIGH BRIDGE BY 540 PM EDT 7 MILES NORTH OF FLEMINGTON BY 545 PM EDT LEBANON BY 550 PM EDT WHITE HOUSE STATION BY 555 PM EDT LAT...LON 4062 7520 4051 7536 4049 7480 4073 7475 $$ RPW
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 3:58 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 47 min |
| May 24, 4:46 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 44 min |
| May 24, 5:22 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 53 min |
| May 24, 6:04 PM EDT | Tornado Warning | PHI | Bucks | 26 min |
| May 24, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 63 min |
| May 24, 7:41 PM EDT | Special Marine Warning | PHI | 64 min | |
| May 24, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 59 min |
| May 24, 7:25 PM EDT | Severe Thunderstorm Warning | PHI | Somerset | 35 min |
| May 24, 7:32 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 43 min |
| May 24, 7:44 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 61 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2004Severe Thunderstorm Warnings in New Jersey, 2004Every severe thunderstorm warning 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.