Alert archive / Pennsylvania / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

May 7, 2011Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at May 7, 2011, 12:03 PM EDT for Monroe County, Pennsylvania. It was in force for 57 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 7, 2011, 12:03 PM EDT (16:03 UTC)
Expired
May 7, 2011, 1:00 PM EDT
In force
57 min
Issued by
NWS Philadelphia/Mount Holly

County Monroe County, PA

The radar

The Binghamton radar (KBGM), 129 km from the middle of the area, began a volume at 16:05 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, 4.1 hours before the alert went out and 211 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 2011-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 2011-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
9 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1218 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
104 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.

783 
WWUS81 KPHI 071603
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1203 PM EDT SAT MAY 7 2011

NJZ001-007-PAZ054-055-071700-
CARBON PA-MONROE PA-SUSSEX NJ-WARREN NJ-
1203 PM EDT SAT MAY 7 2011

...SCATTERED SHOWERS AND POSSIBLE THUNDERSTORMS WITH SMALL HAIL WILL
CARBON...MONROE...SUSSEX AND WARREN COUNTIES...

AT 1158 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREA OF SCATTERED SHOWERS AND POSSIBLE THUNDERSTORMS 13 MILES WEST 
OF MOUNT POCONO...MOVING EAST AT 25 MPH. THE SHOWERS AND POSSIBLE 
THUNDERSTORMS WILL BE NEAR POCONO PINES...TOBYHANNA AROUND 1215 
PM...MOUNT POCONO...SCOTRUN AROUND 1230 PM...ALPINE MOUNTAIN... 
PARADISE VALLEY AROUND 1245 PM...ECHO LAKE AND FLATBROOKVILLE AROUND 
100 PM.

THE SHOWERS AND POSSIBLE THUNDERSTORMS MAY PRODUCE SMALL HAIL...AS 
WELL AS GUSTY WINDS.

LAT...LON 4124 7513 4116 7516 4115 7509 4109 7503
      4114 7491 4094 7497 4102 7576 4103 7576
      4112 7573 4114 7570 4113 7564 4121 7557
      4125 7550 4126 7522

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 9:54 PM EDTSpecial Marine WarningPHI96 min
May 7, 3:00 PM EDTSpecial Weather StatementPHISussex90 min
May 7, 3:11 PM EDTSpecial Weather StatementPHIWarren64 min
May 7, 5:20 PM EDTSpecial Weather StatementPHICamden, Hunterdon, Mercer, Somerset85 min
May 7, 6:52 PM EDTSpecial Marine WarningPHI53 min
May 7, 1:13 PM EDTSpecial Weather StatementPHICarbon, Monroe92 min
May 7, 4:29 PM EDTSpecial Weather StatementPHIBucks, Delaware, Montgomery, Philadelphia91 min
May 6, 9:17 PM EDTSpecial Weather StatementPHIKent, Queen Anne's58 min

Nearby

Special Weather Statements in Pennsylvania, 2011Every special weather statement in 2011

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.