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 Jul 5, 2012, 1:34 AM EDT for Lehigh County, Pennsylvania. It was in force for 56 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 5, 2012, 1:34 AM EDT (05:34 UTC)
- Expired
- Jul 5, 2012, 2:30 AM EDT
- In force
- 56 min
- Issued by
- NWS Philadelphia/Mount Holly
County Lehigh County, PA
The radar
The Philadelphia radar (KDIX), 127 km from the middle of the area, began a volume at 05:37 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, 5.6 hours before the alert went out and 234 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
- 1802 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
106
WWUS81 KPHI 050534
SPSPHI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
ISSUED BY NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
134 AM EDT THU JUL 5 2012
PAZ054-060>062-068-069-050630-
BERKS PA-BUCKS PA-CARBON PA-LEHIGH PA-MONTGOMERY PA-NORTHAMPTON PA-
134 AM EDT THU JUL 5 2012
...A STRONG THUNDERSTORM WILL AFFECT BERKS...BUCKS...CARBON...
LEHIGH...MONTGOMERY AND NORTHAMPTON COUNTIES...
AT 133 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES SOUTHWEST OF SLATINGTON...MOVING
SOUTHEAST AT 50 MPH. THE THUNDERSTORM WILL BE NEAR EMMAUS...MACUNGIE
AROUND 145 AM...TRUMBAUERSVILLE...QUAKERTOWN AROUND 200 AM...TELFORD
AND SELLERSVILLE AROUND 215 AM.
WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
LAT...LON 4046 7510 4014 7547 4067 7591 4070 7586
4070 7584 4074 7577 4081 7587 4091 7565
$$
FORECASTER:The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 10:23 PM EDT | Special Weather Statement | PHI | Mercer | 37 min |
| Jul 4, 10:52 PM EDT | Special Weather Statement | PHI | Ocean | 38 min |
| Jul 4, 11:01 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 29 min |
| Jul 4, 11:14 PM EDT | Special Weather Statement | PHI | Mercer | 46 min |
| Jul 5, 12:08 AM EDT | Special Weather Statement | PHI | Burlington, Mercer | 37 min |
| Jul 5, 12:34 AM EDT | Special Weather Statement | PHI | Burlington, Ocean | 41 min |
| Jul 5, 12:35 AM EDT | Special Weather Statement | PHI | Burlington, Ocean | 40 min |
| Jul 5, 1:00 AM EDT | Special Marine Warning | PHI | 51 min | |
| Jul 5, 1:15 AM EDT | Special Weather Statement | PHI | Atlantic, Ocean | 60 min |
| Jul 5, 1:39 AM EDT | Special Weather Statement | PHI | Cape May, Cumberland | 66 min |
| Jul 5, 4:28 AM EDT | Excessive Heat Watch | PHI | Atlantic, Cape May, Cumberland, Salem | 24 hr |
| Jul 5, 3:53 PM EDT | Coastal Flood Statement | PHI | Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more | 9 hr |
| Jul 4, 9:18 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 57 min |
| Jul 4, 10:37 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 38 min |
| Jul 4, 11:07 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 27 min |
| Jul 4, 11:37 PM EDT | Special Weather Statement | PHI | Montgomery | 38 min |
| Jul 4, 11:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 28 min |
| Jul 5, 1:41 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Lehigh, Montgomery, Northampton | 34 min |
| Jul 5, 6:49 PM EDT | Special Weather Statement | PHI | Kent | 41 min |
| Jul 5, 7:28 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 47 min |
| Jul 5, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 39 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.