Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 154, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 6, 2005, 8:00 PM EST for Bucks County, Northampton County, Pennsylvania; Hunterdon County, Warren County, New Jersey. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Nov 6, 2005, 8:00 PM EST (01:00 UTC)
- Expired
- Nov 6, 2005, 9:00 PM EST
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Warren County, NJ, Bucks County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 96 km from the middle of the area, began a volume at 01:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 6, 8:15 PM EST | TSTM WND DMG | 4 W Washington, NJ | TREES DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 6, 4:00 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.0 hours before the alert went out and 189 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
- 1297 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 254 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 070100
SVRPHI
NJC019-041-PAC017-095-070200-
/O.NEW.KPHI.SV.W.0154.051107T0100Z-051107T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
800 PM EST SUN NOV 6 2005
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY
SOUTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY
NORTHWESTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA
* UNTIL 900 PM EST
* AT 756 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 7 MILES NORTHWEST OF
QUAKERTOWN...OR ABOUT 6 MILES SOUTHEAST OF ALLENTOWN...AND MOVING
EAST AT 55 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ALPHA BY 810 PM EST
MILFORD...BLOOMSBURY AND FRENCHTOWN BY 815 PM EST
HIGH BRIDGE...GLEN GARDNER...FLEMINGTON AND WASHINGTON BY 825 PM
EST
LEBANON BY 830 PM EST
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS
LAT...LON 4077 7507 4068 7522 4042 7545 4039 7512
4050 7480 4091 7490
$$
MPD1 follow-up statement
000
WWUS51 KPHI 070138
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
837 PM EST SUN NOV 6 2005
PAC095-070147-
/O.CAN.KPHI.SV.W.0154.000000T0000Z-051107T0200Z/
NORTHAMPTON PA-
837 PM EST SUN NOV 6 2005
...THE SEVERE THUNDERSTORM WARNING FOR NORTHAMPTON COUNTY IS
CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EST
SUNDAY EVENING FOR NORTHWESTERN NEW JERSEY AND NORTHEASTERN
PENNSYLVANIA.
LAT...LON 4077 7500 4063 7513 4040 7528 4039 7512
4050 7480 4091 7490
$$
NJC019-041-PAC017-070200-
/O.CON.KPHI.SV.W.0154.000000T0000Z-051107T0200Z/
WARREN NJ-HUNTERDON NJ-BUCKS PA-
837 PM EST SUN NOV 6 2005
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EST
FOR NORTH CENTRAL BUCKS...HUNTERDON AND CENTRAL WARREN COUNTIES...
AT 835 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EST
SUNDAY EVENING FOR NORTHWESTERN NEW JERSEY AND NORTHEASTERN
PENNSYLVANIA.
LAT...LON 4077 7500 4063 7513 4040 7528 4039 7512
4050 7480 4091 7490
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 6, 8:08 PM EST | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 67 min |
| Nov 6, 8:25 PM EST | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 47 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2005Severe Thunderstorm Warnings in New Jersey, 2005Every severe thunderstorm warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.