Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

July 15, 2012Carbon County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 15, 2012, 2:50 PM EDT for Carbon County, Pennsylvania. It was in force for 55 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 15, 2012, 2:50 PM EDT (18:50 UTC)
Expired
Jul 15, 2012, 3:45 PM EDT
In force
55 min
Issued by
NWS Philadelphia/Mount Holly

County Carbon County, PA

The radar

The Binghamton radar (KBGM), 148 km from the middle of the area, began a volume at 18:50 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 12:00Z, 6.8 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.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2012-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2012-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
88 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
97 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.

115 
WWUS81 KPHI 151850 CCA
SPSPHI

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
250 PM EDT SUN JUL 15 2012

PAZ054-151945-
CARBON PA-
250 PM EDT SUN JUL 15 2012

...A STRONG THUNDERSTORM WILL AFFECT CARBON COUNTY...

AT 234 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES NORTHEAST OF LEHIGHTON...MOVING EAST AT
10 MPH. THE THUNDERSTORM WILL BE NEAR TRACHSVILLE AROUND 305 PM.

VERY HEAVY RAINFALL WILL OCCUR OVER AREAS THAT RECEIVED HEAVY RAINS 
EARLIER. BE ALERT FOR THE POSSIBILITY OF LOCALIZED FLOODING. RADAR 
INDICATES TOTAL RAINFALL UP TO AROUND TWO INCHES OVER THE PAST 
COUPLE OF HOURS IN THE AREA AROUND JIM THORPE AND BELTZVILLE STATE 
PARK.

LAT...LON 4096 7558 4082 7549 4081 7577 4093 7579

$$

FORECASTER: AMC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 3:44 PM EDTExcessive Heat WarningPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Morris and 1 more4 days
Jul 15, 4:01 PM EDTSpecial Weather StatementPHIMercer59 min
Jul 15, 4:59 PM EDTSpecial Weather StatementPHIOcean61 min
Jul 15, 6:10 PM EDTSpecial Marine WarningPHI65 min
Jul 15, 6:54 PM EDTSpecial Marine WarningPHI24 min
Jul 15, 7:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren56 min
Jul 15, 7:44 PM EDTSpecial Weather StatementPHIHunterdon, Somerset61 min
Jul 15, 12:51 PM EDTSpecial Weather StatementPHILehigh39 min
Jul 15, 1:31 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Monroe, Northampton59 min
Jul 15, 2:34 PM EDTSpecial Weather StatementPHIBucks56 min
Jul 15, 2:41 PM EDTSpecial Weather StatementPHICarbon64 min
Jul 15, 3:29 PM EDTSpecial Weather StatementPHIBucks61 min
Jul 15, 5:07 PM EDTSpecial Weather StatementPHICarbon, Monroe53 min
Jul 15, 5:58 PM EDTSpecial Weather StatementPHIMonroe62 min
Jul 15, 6:13 PM EDTSevere Thunderstorm WarningPHICarbon62 min
Jul 15, 6:40 PM EDTSevere Thunderstorm WarningPHILehigh, Northampton65 min
Jul 15, 7:58 PM EDTSpecial Weather StatementPHIBerks, Bucks62 min
Jul 15, 5:47 PM EDTSevere Thunderstorm WarningPHIKent, Sussex58 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.