Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

May 4, 2012Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at May 4, 2012, 4:37 AM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 53 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
May 4, 2012, 4:37 AM EDT (08:37 UTC)
Expired
May 4, 2012, 5:30 AM EDT
In force
53 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 08:40 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, 8.6 hours before the alert went out and 221 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-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2012-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2012-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
436 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

143 
WWUS81 KPHI 040837
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
437 AM EDT FRI MAY 4 2012

PAZ054-055-040930-
CARBON PA-MONROE PA-
437 AM EDT FRI MAY 4 2012

...STRONG THUNDERSTORMS WILL AFFECT CARBON AND MONROE COUNTIES...

AT 433 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 14 MILES NORTHEAST
OF MOUNT POCONO TO 37 MILES WEST OF LEHIGHTON...MOVING EAST SOUTHEAST
AT 35 MPH. ONE OF THE THUNDERSTORMS WILL BE NEAR POCONO RACEWAY AND 
PARADISE VALLEY AROUND 445 AM...SCOTRUN AND REEDERS AROUND 500 AM... 
STORMVILLE AND NEW MAHONING AROUND 515 AM...SAYLORSBURG AND ROSSLAND 
AROUND 530 AM.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS 
ALONG WITH BRIEF HEAVY DOWNPOURS AND DANGEROUS CLOUD TO GROUND 
LIGHTNING.

LAT...LON 4119 7513 4115 7514 4115 7510 4105 7502
      4085 7533 4078 7568 4073 7576 4091 7600
      4101 7575 4105 7578 4109 7577 4113 7570
      4113 7564 4121 7557 4124 7551 4125 7519

$$

RPW

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 4:21 AM EDTSpecial Weather StatementPHISussex54 min
May 4, 5:41 AM EDTSpecial Weather StatementPHIMorris, Sussex, Warren64 min
May 4, 6:07 PM EDTSpecial Weather StatementPHISussex, Warren113 min
May 4, 4:45 PM EDTSpecial Weather StatementPHICarbon45 min
May 4, 1:02 AM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot58 min
May 4, 12:56 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot15 min
May 4, 1:34 PM EDTSpecial Weather StatementPHITalbot26 min
May 4, 2:07 PM EDTSpecial Weather StatementPHICaroline38 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.