Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 251, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 26, 2006, 1:55 AM EDT for Bucks County, Pennsylvania. It was in force for 50 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
- Aug 26, 2006, 1:55 AM EDT (05:55 UTC)
- Expired
- Aug 26, 2006, 2:45 AM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Bucks County, PA
The radar
The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 05:57 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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 5.9 hours before the alert went out and 251 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
- 979 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1772 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 260556
SVRPHI
PAC017-260645-
/O.NEW.KPHI.SV.W.0251.060826T0555Z-060826T0645Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
155 AM EDT SAT AUG 26 2006
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA
* UNTIL 245 AM EDT
* AT 153 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
DOYLESTOWN...OR ABOUT 20 MILES WEST OF TRENTON...AND MOVING
SOUTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
IVYLAND BY 205 AM EDT...
RICHBORO BY 210 AM EDT...
NEWTOWN AND FEASTERVILLE BY 215 AM EDT...
LANGHORNE AND WOODSIDE BY 220 AM EDT...
LEVITTOWN BY 230 AM EDT...
LAT...LON 4042 7516 4027 7528 4009 7490 4017 7477
4027 7488
$$
EBERWINEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 10:43 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 32 min |
| Aug 25, 11:05 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 40 min |
| Aug 25, 11:43 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 47 min |
| Aug 25, 11:53 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 52 min |
| Aug 26, 12:00 AM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 45 min |
| Aug 26, 2:12 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh | 48 min |
| Aug 26, 3:05 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh | 55 min |
| Aug 26, 3:30 AM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 45 min |
| Aug 26, 4:11 AM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 49 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.