Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

June 3, 2012Carbon County, Lehigh County, Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 3, 2012, 4:21 PM EDT for Carbon County, Lehigh County, Northampton County, Pennsylvania. It was in force for 54 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 3, 2012, 4:21 PM EDT (20:21 UTC)
Expired: Jun 3, 2012, 5:15 PM EDT
In force: 54 min
Issued by: NWS Philadelphia/Mount Holly

Counties Carbon County, PA, Lehigh County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 117 km from the middle of the area, began a volume at 20:24 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.

What was reported inside it

Time	Report	Where	Remark
Jun 3, 4:31 PM EDT	HAIL 0.75	Schnecksville, PA	DIME SIZE HAIL IN SCHNECKSVILLE
Jun 3, 4:50 PM EDT	HAIL 0.75	Allentown, PA
Jun 3, 4:55 PM EDT	HAIL 0.88	Allentown, PA
Jun 3, 5:07 PM EDT	HAIL 0.5	Springtown, PA

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.4 hours before the alert went out and 213 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 2 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.

113 
WWUS81 KPHI 032021
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
421 PM EDT SUN JUN 3 2012

NJZ007-PAZ054-055-061-062-069-032115-
BUCKS PA-CARBON PA-LEHIGH PA-MONROE PA-NORTHAMPTON PA-WARREN NJ-
421 PM EDT SUN JUN 3 2012

...A STRONG THUNDERSTORM WILL AFFECT BUCKS...CARBON...LEHIGH...
MONROE...NORTHAMPTON AND WARREN COUNTIES...

AT 416 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES SOUTH OF LEHIGHTON...MOVING SOUTHEAST AT
25 MPH. THE THUNDERSTORM WILL BE NEAR EMERALD...NEFFS AROUND 430
PM...NORTH CATASAUQUA...COPLAY AROUND 445 PM...BETHLEHEM...FOUNTAIN
HILL AROUND 500 PM...FREEMANSBURG AND HELLERTOWN AROUND 515 PM.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.

LAT...LON 4073 7505 4063 7512 4063 7514 4058 7519
      4056 7517 4044 7527 4068 7588 4074 7577
      4086 7594 4099 7565

$$

NIERENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 3:57 AM EDT	Coastal Flood Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more	23 hr
Jun 3, 12:33 PM EDT	Special Weather Statement	PHI	Warren	57 min
Jun 3, 1:32 PM EDT	Special Weather Statement	PHI	Camden, Gloucester, Hunterdon, Mercer, Middlesex, Morris and 4 more	118 min
Jun 3, 1:50 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Middlesex, Somerset	31 min
Jun 3, 2:47 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more	118 min
Jun 3, 4:53 PM EDT	Special Weather Statement	PHI	Hunterdon	52 min
Jun 3, 5:38 PM EDT	Special Weather Statement	PHI	Mercer, Middlesex, Monmouth	67 min
Jun 3, 5:59 PM EDT	Special Marine Warning	PHI		91 min
Jun 3, 7:20 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Ocean and 1 more	85 min
Jun 3, 6:05 PM EDT	Special Weather Statement	PHI	Berks, Bucks, Chester, Delaware, Lehigh, Montgomery	85 min

Nearby

Special Weather Statements in Pennsylvania, 2012 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.