Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

August 15, 2012Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 15, 2012, 1:28 AM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 62 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, 1:28 AM EDT (05:28 UTC)
Expired: Aug 15, 2012, 2:30 AM EDT
In force: 62 min
Issued by: NWS Philadelphia/Mount Holly

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 133 km from the middle of the area, began a volume at 05:28 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, 5.5 hours before the alert went out and 220 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

451 
WWUS81 KPHI 150528
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
128 AM EDT WED AUG 15 2012

PAZ054-055-150630-
CARBON PA-MONROE PA-
128 AM EDT WED AUG 15 2012

...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT CARBON AND MONROE 
COUNTIES...

AT 127 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
CLUSTER OF STRONG THUNDERSTORMS 7 MILES NORTHEAST OF LEHIGHTON... 
MOVING NORTHEAST AT 20 MPH. THE THUNDERSTORMS WILL BE NEAR 
MECKESVILLE...JONAS AROUND 145 AM...POCONO RACEWAY...SUN VALLEY 
AROUND 200 AM...LONG POND...SCOTRUN AROUND 215 AM...MOUNT POCONO AND 
PARADISE VALLEY AROUND 230 AM.

VERY HEAVY RAIN WILL FALL FROM THE 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.

LAT...LON 4118 7514 4115 7514 4115 7511 4107 7500
      4099 7513 4095 7514 4074 7574 4084 7592
      4090 7600 4094 7595 4101 7575 4107 7578
      4114 7569 4113 7564 4120 7557 4124 7550
      4125 7525

$$

HAYES

The 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, 1:26 AM EDT	Special Weather Statement	PHI	Bucks, Montgomery	94 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, 2012 Every 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.