Alert archive / Pennsylvania / Special Weather Statements in 2012
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 15, 2012, 1:26 AM EDT for Bucks County, Montgomery County, Pennsylvania. It was in force for 94 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 15, 2012, 1:26 AM EDT (05:26 UTC)
- Expired
- Aug 15, 2012, 3:00 AM EDT
- In force
- 94 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Bucks County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 05:27 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 5.4 hours before the alert went out and 205 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
- 69 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1158 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
307
WWUS81 KPHI 150526
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
126 AM EDT WED AUG 15 2012
PAZ068-069-150700-
BUCKS PA-MONTGOMERY PA-
126 AM EDT WED AUG 15 2012
...STRONG THUNDERSTORMS WILL AFFECT BUCKS AND MONTGOMERY COUNTIES...
AT 122 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES SOUTH OF
ALLENTOWN TO 7 MILES SOUTHEAST OF READING...MOVING EAST AT 20 MPH.
THE THUNDERSTORMS WILL BE NEAR TRUMBAUERSVILLE...GREEN LANE AROUND
145 AM...QUAKERTOWN...RICHLANDTOWN AROUND 200 AM...TRAPPE...TELFORD
AROUND 215 AM...BEDMINSTER...PIPERSVILLE AROUND 230 AM...ERWINNA AND
LUMBERVILLE AROUND 245 AM.
VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. DO
NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.
LAT...LON 4016 7534 4012 7549 4013 7550 4044 7547
4054 7533 4060 7520 4057 7518 4057 7515
4052 7507 4050 7506 4042 7506 4040 7503
4041 7499 4029 7491
$$
HAYESThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 1:57 AM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 63 min |
| Aug 15, 2:00 AM EDT | Special Weather Statement | PHI | Warren | 90 min |
| Aug 15, 2:13 AM EDT | Special Weather Statement | PHI | Sussex | 62 min |
| Aug 15, 3:10 AM EDT | Areal Flood Advisory | PHI | Sussex | 111 min |
| Aug 15, 3:22 AM EDT | Special Weather Statement | PHI | Sussex | 53 min |
| Aug 15, 2:38 PM EDT | Special Weather Statement | PHI | Monmouth | 52 min |
| Aug 15, 2:53 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 52 min |
| Aug 15, 2:58 PM EDT | Special Weather Statement | PHI | Atlantic | 62 min |
| Aug 15, 3:17 PM EDT | Special Marine Warning | PHI | 43 min | |
| Aug 15, 3:23 PM EDT | Special Weather Statement | PHI | Sussex | 52 min |
| Aug 15, 3:25 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 65 min |
| Aug 15, 4:14 PM EDT | Areal Flood Warning | PHI | Monmouth | 3 hr |
| Aug 15, 4:24 PM EDT | Special Weather Statement | PHI | Atlantic | 66 min |
| Aug 15, 4:33 PM EDT | Special Weather Statement | PHI | Morris, Sussex, Warren | 87 min |
| Aug 15, 4:45 PM EDT | Special Weather Statement | PHI | Ocean | 90 min |
| Aug 15, 5:22 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth | 38 min |
| Aug 15, 5:28 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 34 min |
| Aug 15, 5:48 PM EDT | Special Weather Statement | PHI | Middlesex | 57 min |
| Aug 15, 5:58 PM EDT | Special Weather Statement | PHI | Mercer | 62 min |
| Aug 15, 6:06 PM EDT | Special Weather Statement | PHI | Monmouth | 84 min |
| Aug 15, 6:19 PM EDT | Areal Flood Warning | PHI | Mercer, Middlesex, Monmouth, Ocean | 118 min |
| Aug 15, 6:50 PM EDT | Areal Flood Warning | PHI | Morris | 87 min |
| Aug 15, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland, Gloucester | 62 min |
| Aug 14, 11:10 PM EDT | Special Weather Statement | PHI | Berks | 80 min |
| Aug 14, 11:40 PM EDT | Special Weather Statement | PHI | Berks, Chester | 95 min |
| Aug 15, 12:28 AM EDT | Special Weather Statement | PHI | Berks, Lehigh, Montgomery | 92 min |
| Aug 15, 12:49 AM EDT | Areal Flood Advisory | PHI | Berks, Chester, Lehigh, Montgomery | 3 hr |
| Aug 15, 1:28 AM EDT | Special Weather Statement | PHI | Carbon, Monroe | 62 min |
| Aug 15, 1:48 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 85 min |
| Aug 14, 10:37 PM EDT | Special Weather Statement | PHI | Kent | 53 min |
| Aug 15, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 49 min |
| Aug 15, 7:16 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 35 min |
Nearby
Special Weather Statements in Pennsylvania, 2012Every special weather statement in 2012
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.