Alert archive / Pennsylvania / Special Weather Statements in 2015

Special Weather Statement, NWS Philadelphia/Mount Holly

July 26, 2015Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 26, 2015, 9:39 PM EDT for Monroe County, Pennsylvania. It was in force for 36 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 26, 2015, 9:39 PM EDT (01:39 UTC)
Expired
Jul 26, 2015, 10:15 PM EDT
In force
36 min
Issued by
NWS Philadelphia/Mount Holly

County Monroe County, PA

The radar

The Philadelphia radar (KDIX), 144 km from the middle of the area, began a volume at 01:41 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, 1.7 hours before the alert went out and 223 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 2015-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 35 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 00:00Z on 2015-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.19395878Sfc1 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
35 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1409 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

702 
WWUS81 KPHI 270139
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
939 PM EDT SUN JUL 26 2015
 
PAZ054-055-270215-
CARBON-MONROE-
939 PM EDT SUN JUL 26 2015

...A STRONG THUNDERSTORM WILL AFFECT EASTERN CARBON AND SOUTHWESTERN 
MONROE COUNTIES...

AT 938 PM EDT...A STRONG THUNDERSTORM WAS OVER LAKE HARMONY...OR 11
MILES WEST OF MOUNT POCONO...MOVING SOUTHEAST AT 15 MPH.

WIND GUSTS UP TO 50 MPH AND HALF INCH HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
PALMERTON...WIND GAP...CHRISTMANS...ROSSLAND...POCONO PINES...LONG
POND...BELTZVILLE STATE PARK...BRODHEADSVILLE...MCMICHAEL...
KUNKLETOWN...MECKESVILLE...BLAKESLEE...PENN FOREST RESERVOIR...SUN
VALLEY...JONAS...ALBRIGHTSVILLE...POCONO RACEWAY...GILBERT...LAKE
HARMONY AND KRESGEVILLE.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS. A FLOOD ADVISORY HAS ALREADY BEEN ISSUED FOR THE AREA.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. 
LIGHTNING CAN STRIKE MORE THAN 15 MILES AWAY FROM A THUNDERSTORM. 
SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 4090 7524 4086 7529 4086 7532 4083 7538
      4081 7554 4079 7560 4100 7577 4101 7573
      4103 7574 4105 7577 4117 7551
TIME...MOT...LOC 0138Z 333DEG 15KT 4106 7558 
$$

JRK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 8:00 PM EDTSpecial Weather StatementPHISussex30 min
Jul 26, 8:10 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 26, 8:42 PM EDTFlash Flood WarningPHISussex4 hr
Jul 26, 10:02 PM EDTFlash Flood WarningPHISussex, Warren7 hr
Jul 26, 10:43 PM EDTSpecial Weather StatementPHIMorris, Warren92 min
Jul 26, 11:05 PM EDTAreal Flood AdvisoryPHIWarren4 hr
Jul 27, 12:54 AM EDTAreal Flood AdvisoryPHIHunterdon3 hr
Jul 27, 3:19 AM EDTAreal Flood AdvisoryPHICamden, Cumberland, Gloucester, Salem3 hr
Jul 27, 5:20 PM EDTAreal Flood AdvisoryPHIMiddlesex, Somerset4 hr
Jul 27, 7:13 PM EDTAreal Flood AdvisoryPHIMercer4 hr
Jul 26, 8:57 PM EDTSpecial Weather StatementPHIMonroe48 min
Jul 26, 9:33 PM EDTAreal Flood AdvisoryPHICarbon, Monroe3 hr
Jul 26, 10:10 PM EDTSpecial Weather StatementPHILehigh35 min
Jul 26, 10:24 PM EDTSpecial Weather StatementPHICarbon36 min
Jul 26, 10:40 PM EDTSpecial Weather StatementPHIBerks95 min
Jul 26, 11:33 PM EDTAreal Flood AdvisoryPHIBerks3 hr
Jul 27, 1:58 AM EDTAreal Flood AdvisoryPHIBerks, Chester, Lehigh, Montgomery3 hr
Jul 27, 2:33 AM EDTAreal Flood AdvisoryPHIBucks, Chester, Delaware, Montgomery, Philadelphia3 hr
Jul 27, 2:31 AM EDTAreal Flood AdvisoryPHICaroline, Cecil, Kent, Queen Anne's, Talbot3 hr
Jul 27, 5:03 PM EDTSpecial Weather StatementPHIQueen Anne's57 min
Jul 27, 5:18 PM EDTAreal Flood AdvisoryPHICaroline, Queen Anne's4 hr
Jul 27, 7:16 PM EDTAreal Flood AdvisoryPHICaroline, Queen Anne's, Talbot4 hr
Jul 27, 3:24 AM EDTAreal Flood AdvisoryPHIKent2 hr

Nearby

Special Weather Statements in Pennsylvania, 2015Every special weather statement in 2015

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.