Alert archive / New Jersey / Special Weather Statements in 2014

Special Weather Statement, NWS Philadelphia/Mount Holly

September 6, 2014Hunterdon County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 6, 2014, 3:32 PM EDT for Hunterdon County, New Jersey. 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: Sep 6, 2014, 3:32 PM EDT (19:32 UTC)
Expired: Sep 6, 2014, 4:30 PM EDT
In force: 58 min
Issued by: NWS Philadelphia/Mount Holly

County Hunterdon County, NJ

The radar

The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 172 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: 1867 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 709 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.0

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at Sep 6, 2:28 PM EDT, 1 hour 4 minutes earlier.

Area forecast discussion, Sep 6, 2:28 PM EDT, 1 hour 4 minutes before

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Hazardous weather outlook, Sep 6, 2:22 PM EDT, 1 hour 10 minutes before

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In the hours before

Special weather statement, Sep 6, 2:13 PM EDT, 1 hour 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
213 PM EDT SAT SEP 6 2014

DEZ001-PAZ101-102-061915-
EASTERN CHESTER PA-NEW CASTLE DE-WESTERN CHESTER PA-
213 PM EDT SAT SEP 6 2014

...A STRONG THUNDERSTORM WILL AFFECT CHESTER AND NORTHWESTERN NEW
CASTLE COUNTIES...

AT 211 PM EDT...A STRONG THUNDERSTORM WAS NEAR ATGLEN...MOVING EAST
AT 10 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. DO
NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.

THIS STORM WILL BE NEAR PARKESBURG AROUND 230 PM...ELVERSON AROUND
250 PM...MODENA AROUND 300 PM...THORNDALE AROUND 310 PM AND
MARSHALLTON AROUND 320 PM.

LAT...LON 3988 7599 3997 7600 4004 7594 4011 7595
      4017 7583 4021 7558 4019 7557 4020 7555
      4014 7552 3988 7558 3988 7560 3985 7559
      3966 7563 3985 7602

FORECASTER: SFJ

Special weather statement, Sep 6, 3:19 PM EDT, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
319 PM EDT SAT SEP 6 2014

NJZ010-012-013-061945-
MIDDLESEX NJ-SOMERSET NJ-WESTERN MONMOUTH NJ-
319 PM EDT SAT SEP 6 2014

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL SOMERSET...
MIDDLESEX AND NORTH CENTRAL MONMOUTH COUNTIES...

AT 314 PM EDT...A STRONG THUNDERSTORM WAS NEAR EDISON...MOVING EAST
AT 20 MPH.

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

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. DO
NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS.

THIS STORM WILL BE NEAR SOUTH AMBOY AROUND 330 PM...CLIFFWOOD BEACH
AROUND 340 PM AND UNION BEACH AROUND 350 PM.

LAT...LON 4042 7403 4035 7449 4052 7457 4061 7425
      4061 7421 4058 7420 4055 7424 4049 7426
      4047 7426 4046 7421 4047 7417 4046 7416
      4047 7414

FORECASTER: SFJ

Special weather statement, Sep 6, 3:21 PM EDT, 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
321 PM EDT SAT SEP 6 2014

PAZ060-061-101-103>106-062015-
BERKS PA-EASTERN MONTGOMERY PA-LEHIGH PA-LOWER BUCKS PA-
UPPER BUCKS PA-WESTERN CHESTER PA-WESTERN MONTGOMERY PA-
321 PM EDT SAT SEP 6 2014

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT EASTERN BERKS...
LEHIGH...MONTGOMERY...NORTHEASTERN CHESTER AND NORTHWESTERN BUCKS
COUNTIES...

AT 314 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
LAURELDALE TO POTTSTOWN...MOVING NORTHEAST AT 20 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. DO
NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS.

THESE STORMS WILL BE NEAR GILBERTSVILLE AROUND 330 PM...FLEETWOOD
AROUND 340 PM...LYONS AROUND 350 PM...TOPTON AROUND 400 PM...
CLAUSSVILLE AROUND 410 PM AND ZIONSVILLE AROUND 420 PM.

LAT...LON 4070 7560 4033 7497 4008 7552 4044 7610

FORECASTER: SFJ

Special weather statement, Sep 6, 3:25 PM EDT, 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
325 PM EDT SAT SEP 6 2014

NJZ012-013-015-062030-
MERCER NJ-MIDDLESEX NJ-WESTERN MONMOUTH NJ-
325 PM EDT SAT SEP 6 2014

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL MONMOUTH...MERCER AND
SOUTHERN MIDDLESEX COUNTIES...

AT 322 PM EDT...A STRONG THUNDERSTORM WAS NEAR EWING...MOVING EAST AT
25 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. DO
NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS.

THIS STORM WILL BE NEAR LAWRENCEVILLE...AND MERCERVILLE-HAMILTON
SQUARE AROUND 330 PM...PRINCETON JUNCTION...EDINBURG...EDINBURG...AND
PRINCETON AROUND 340 PM...HIGHTSTOWN...WINDSOR...WINDSOR AND MONMOUTH
JUNCTION AROUND 350 PM.

LAT...LON 4019 7424 4019 7476 4021 7477 4027 7485
      4038 7486 4039 7473 4038 7471 4039 7466
      4038 7461 4038 7460 4041 7459 4044 7429

FORECASTER: SFJ

Local storm report, Sep 6, 3:28 PM EDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
328 PM EDT SAT SEP 06 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0312 PM     TSTM WND GST     READING AIRPORT         40.38N  75.97W
09/06/2014  M52 MPH          BERKS              PA   ASOS

&&

EVENT NUMBER PHI1400720

GORSE

Special weather statement, Sep 6, 3:32 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
332 PM EDT SAT SEP 6 2014

NJZ009-015-PAZ105-106-062030-
HUNTERDON NJ-LOWER BUCKS PA-MERCER NJ-UPPER BUCKS PA-
332 PM EDT SAT SEP 6 2014

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BUCKS...NORTHWESTERN
MERCER AND SOUTHERN HUNTERDON COUNTIES...

AT 329 PM EDT...A STRONG THUNDERSTORM WAS NEAR LUMBERVILLE...MOVING
EAST AT 10 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. DO
NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS.

THIS STORM WILL BE NEAR STOCKTON AROUND 340 PM...SERGEANTSVILLE
AROUND 350 PM...SAND BROOK AROUND 400 PM...FLEMINGTON AROUND 420 PM
AND PENNINGTON AROUND 430 PM.

LAT...LON 4056 7473 4051 7477 4051 7479 4045 7476
      4030 7479 4035 7513 4053 7511 4061 7472

FORECASTER: SFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 6, 1:37 PM EDT	Special Weather Statement	PHI	Warren	53 min
Sep 6, 1:46 PM EDT	Special Weather Statement	PHI	Sussex	59 min
Sep 6, 2:58 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Middlesex, Somerset	4 hr
Sep 6, 3:19 PM EDT	Special Weather Statement	PHI	Middlesex	26 min
Sep 6, 3:25 PM EDT	Special Weather Statement	PHI	Mercer	65 min
Sep 6, 3:45 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer	60 min
Sep 6, 4:03 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Middlesex, Monmouth	57 min
Sep 6, 4:19 PM EDT	Special Marine Warning	PHI		56 min
Sep 6, 4:45 PM EDT	Special Weather Statement	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset	60 min
Sep 6, 4:47 PM EDT	Special Weather Statement	PHI	Burlington	58 min
Sep 6, 4:52 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	36 min
Sep 6, 4:54 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	43 min
Sep 6, 4:58 PM EDT	Special Marine Warning	PHI		62 min
Sep 6, 5:09 PM EDT	Special Marine Warning	PHI		66 min
Sep 6, 5:26 PM EDT	Special Marine Warning	PHI		64 min
Sep 6, 5:31 PM EDT	Special Weather Statement	PHI	Burlington	59 min
Sep 6, 5:44 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	35 min
Sep 6, 6:41 PM EDT	Special Weather Statement	PHI	Salem	64 min
Sep 6, 7:41 PM EDT	Special Marine Warning	PHI		64 min
Sep 6, 7:45 PM EDT	Special Weather Statement	PHI	Cape May	60 min
Sep 6, 2:13 PM EDT	Special Weather Statement	PHI	Chester	62 min
Sep 6, 2:19 PM EDT	Severe Thunderstorm Warning	PHI	Chester	43 min
Sep 6, 2:43 PM EDT	Areal Flood Advisory	PHI	Chester	4 hr
Sep 6, 3:21 PM EDT	Special Weather Statement	PHI	Berks, Bucks, Lehigh, Montgomery	54 min
Sep 6, 3:51 PM EDT	Flash Flood Warning	PHI	Chester	4 hr
Sep 6, 7:36 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	54 min
Sep 6, 4:56 PM EDT	Special Weather Statement	PHI	Cecil	64 min
Sep 6, 7:43 PM EDT	Special Weather Statement	PHI	Caroline	62 min

Nearby

Special Weather Statements in New Jersey, 2014 Every special weather statement in 2014

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.