Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 222, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 28, 2006, 4:03 PM EDT for Bucks County, Montgomery County, Pennsylvania. It was in force for 57 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
- Jul 28, 2006, 4:03 PM EDT (20:03 UTC)
- Expired
- Jul 28, 2006, 5:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Bucks County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 20:04 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 |
|---|---|---|---|
| Jul 28, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.1 hours before the alert went out and 114 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
- 411 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1201 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 282003 SVRPHI PAC017-091-282100- /O.NEW.KPHI.SV.W.0222.060728T2003Z-060728T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 403 PM EDT FRI JUL 28 2006 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA CENTRAL MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA * UNTIL 500 PM EDT * AT 359 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SPRING MOUNT...AND MOVING EAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LANSDALE BY 415 PM EDT... CHALFONT BY 420 PM EDT... IVYLAND BY 430 PM EDT... RICHBORO BY 435 PM EDT... LANGHORNE AND NEWTOWN BY 440 PM EDT... WOODSIDE BY 445 PM EDT... IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. LAT...LON 4028 7549 4020 7549 4016 7478 4031 7491 $$ TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 10:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 65 min |
| Jul 27, 11:32 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery | 88 min |
| Jul 28, 12:32 AM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 43 min |
| Jul 28, 12:40 AM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 3 hr |
| Jul 28, 12:40 AM EDT | Severe Thunderstorm Warning | PHI | Bucks | 65 min |
| Jul 28, 2:28 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 62 min |
| Jul 28, 2:49 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 56 min |
| Jul 28, 3:07 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 53 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2006Every severe thunderstorm warning in 2006
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.