Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

July 27, 2012Carbon County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 27, 2012, 6:02 PM EDT for Carbon County, Pennsylvania. It was in force for 58 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 27, 2012, 6:02 PM EDT (22:02 UTC)
Expired
Jul 27, 2012, 7:00 PM EDT
In force
58 min
Issued by
NWS Philadelphia/Mount Holly

County Carbon County, PA

The radar

The Binghamton radar (KBGM), 140 km from the middle of the area, began a volume at 22:05 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, 10.0 hours before the alert went out and 238 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 2012-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 227 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 2012-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
227 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
658 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

019 
WWUS81 KPHI 272202
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
602 PM EDT FRI JUL 27 2012

PAZ054-272300-
CARBON PA-
602 PM EDT FRI JUL 27 2012

...A THUNDERSTORM WITH DOWNPOURS WILL AFFECT CARBON COUNTY...

AT 554 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 17 MILES SOUTHWEST OF WILKES-BARRE...MOVING EAST 
AT 20 MPH. THE THUNDERSTORM WILL BE NEAR TRESCKOW AROUND 630 PM... 
BEAVER MEADOWS AROUND 635 PM...LANSFORD AROUND 645 PM... 
WEATHERLY...EAST SIDE...NESQUEHONING AND SUMMIT HILL AROUND 650 PM 
AND THEN NEW MAHONING AROUND 700 PM.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.

LAT...LON 4099 7550 4094 7557 4082 7547 4078 7568
      4074 7577 4091 7599 4099 7583 4101 7575
      4103 7574 4105 7578 4109 7577 4113 7567

$$

FORECASTER:PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 10:59 PM EDTSpecial Weather StatementPHICamden, Gloucester, Salem91 min
Jul 26, 11:25 PM EDTAreal Flood AdvisoryPHIGloucester, Salem107 min
Jul 26, 11:44 PM EDTAreal Flood AdvisoryPHIAtlantic, Cumberland, Gloucester, Salem2 hr
Jul 26, 11:55 PM EDTSpecial Weather StatementPHIOcean65 min
Jul 27, 12:02 AM EDTSpecial Weather StatementPHIOcean58 min
Jul 27, 12:35 AM EDTAreal Flood AdvisoryPHIBurlington, Ocean117 min
Jul 26, 10:19 PM EDTAreal Flood AdvisoryPHIChester3 hr
Jul 27, 7:00 PM EDTSpecial Weather StatementPHICarbon60 min
Jul 26, 10:01 PM EDTSpecial Weather StatementPHICecil59 min
Jul 26, 10:24 PM EDTSpecial Weather StatementPHIKent, Queen Anne's96 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.