Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

June 23, 2011Warren County, New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 23, 2011, 11:28 PM EDT for Warren County, New Jersey; Northampton County, Pennsylvania. It was in force for 62 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: Jun 23, 2011, 11:28 PM EDT (03:28 UTC)
Expired: Jun 24, 2011, 12:30 AM EDT
In force: 62 min
Issued by: NWS Philadelphia/Mount Holly

Counties Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 115 km from the middle of the area, began a volume at 03:30 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, 3.5 hours before the alert went out and 191 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: 3 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 442 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

906 
WWUS81 KPHI 240328
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1128 PM EDT THU JUN 23 2011

NJZ007>009-PAZ062-240430-
HUNTERDON NJ-MORRIS NJ-NORTHAMPTON PA-WARREN NJ-
1128 PM EDT THU JUN 23 2011

...A CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT HUNTERDON... 
MORRIS...NORTHAMPTON AND WARREN COUNTIES...

AT 1126 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
CLUSTER OF STRONG THUNDERSTORMS 9 MILES NORTHWEST OF EASTON...MOVING 
NORTHEAST AT 15 MPH. THE THUNDERSTORMS WILL BE NEAR OLD ORCHARD 
AROUND 1130 PM...BELFAST...EASTLAWN GARDENS AROUND 1145 PM...WIND 
GAP...PEN ARGYL AROUND MIDNIGHT...ROXBURG...HARMONY AROUND 1215 
AM...BELVIDERE AND OXFORD AROUND 1230 AM.

VERY HEAVY RAIN WILL FALL FROM THE STORMS...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 THESE STORMS.

LAT...LON 4076 7486 4063 7525 4082 7545 4086 7531
      4092 7524 4102 7501

$$

HAYES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 12:08 AM EDT	Areal Flood Advisory	PHI	Warren	112 min
Jun 24, 12:24 AM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Warren	66 min
Jun 24, 12:45 AM EDT	Areal Flood Advisory	PHI	Morris, Sussex, Warren	2 hr
Jun 24, 1:22 AM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset	53 min
Jun 24, 1:36 AM EDT	River Flood Warning	PHI	Morris, Passaic	11 hr
Jun 24, 3:41 AM EDT	Flash Flood Watch	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more	16 hr
Jun 24, 5:48 AM EDT	Areal Flood Warning	PHI	Morris	10 hr
Jun 24, 11:42 AM EDT	Special Weather Statement	PHI	Monmouth	93 min
Jun 24, 12:09 PM EDT	Special Marine Warning	PHI		86 min
Jun 24, 12:34 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	26 min
Jun 24, 1:17 PM EDT	Special Weather Statement	PHI	Ocean	58 min
Jun 24, 1:32 PM EDT	Special Marine Warning	PHI		88 min
Jun 24, 1:33 PM EDT	Special Weather Statement	PHI	Hunterdon	57 min
Jun 24, 2:01 PM EDT	Areal Flood Advisory	PHI	Ocean	119 min
Jun 24, 2:01 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	43 min
Jun 24, 3:00 PM EDT	Special Weather Statement	PHI	Hunterdon, Somerset	60 min
Jun 24, 3:03 PM EDT	Special Weather Statement	PHI	Ocean	57 min
Jun 24, 3:57 PM EDT	Areal Flood Advisory	PHI	Ocean	2 hr
Jun 24, 4:20 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Somerset	55 min
Jun 24, 4:54 PM EDT	Areal Flood Advisory	PHI	Mercer, Middlesex, Somerset	2 hr
Jun 24, 5:03 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Middlesex, Monmouth, Ocean, Somerset	72 min
Jun 24, 5:33 PM EDT	Special Marine Warning	PHI		117 min
Jun 24, 6:27 PM EDT	Special Weather Statement	PHI	Hunterdon	63 min
Jun 24, 7:13 PM EDT	Special Weather Statement	PHI	Warren	62 min
Jun 24, 7:16 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	38 min
Jun 23, 9:59 PM EDT	Special Weather Statement	PHI	Berks	61 min
Jun 23, 10:41 PM EDT	Special Weather Statement	PHI	Lehigh	64 min
Jun 23, 10:47 PM EDT	Special Weather Statement	PHI	Carbon	58 min
Jun 23, 10:56 PM EDT	Special Weather Statement	PHI	Lebanon	64 min
Jun 23, 10:58 PM EDT	Special Weather Statement	PHI	Berks	62 min
Jun 23, 11:19 PM EDT	Areal Flood Advisory	PHI	Lehigh, Northampton	116 min
Jun 23, 11:30 PM EDT	Special Weather Statement	PHI	Monroe	60 min
Jun 23, 11:37 PM EDT	Special Weather Statement	PHI	Berks, Lehigh	53 min
Jun 23, 11:46 PM EDT	Special Weather Statement	PHI	Berks	59 min
Jun 24, 12:26 PM EDT	Special Weather Statement	PHI	Berks	64 min
Jun 24, 1:41 PM EDT	Special Weather Statement	PHI	Carbon, Monroe	64 min
Jun 24, 2:32 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	43 min
Jun 24, 3:54 PM EDT	Special Weather Statement	PHI	Monroe	66 min
Jun 24, 3:35 PM EDT	Special Weather Statement	PHI	Sussex	55 min

Nearby

Special Weather Statements in New Jersey, 2011 Special Weather Statements in Pennsylvania, 2011 Every 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.