Alert archive / Pennsylvania / Special Weather Statements in 2013

Special Weather Statement, NWS Philadelphia/Mount Holly

September 12, 2013Berks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 12, 2013, 3:43 PM EDT for Berks 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: Sep 12, 2013, 3:43 PM EDT (19:43 UTC)
Expired: Sep 12, 2013, 4:45 PM EDT
In force: 62 min
Issued by: NWS Philadelphia/Mount Holly

County Berks County, PA

The radar

The Philadelphia radar (KDIX), 126 km from the middle of the area, began a volume at 19:43 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.7 hours before the alert went out and 90 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: 1009 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 970 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 39 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.

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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 12, 3:31 PM EDT, 12 minutes earlier.

Area forecast discussion, Sep 12, 3:31 PM EDT, 12 minutes before

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Hazardous weather outlook, Sep 12, 3:38 PM EDT, 5 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
338 PM EDT THU SEP 12 2013

DEZ001>003-MDZ008-012-015-019-020-NJZ001-007>010-012-013-015>023-027-
PAZ054-055-060>062-070-071-101>106-131945-
NEW CASTLE-KENT-INLAND SUSSEX-CECIL-KENT MD-QUEEN ANNES-TALBOT-
CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-CAMDEN-
NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
338 PM EDT THU SEP 12 2013

...SEVERE THUNDERSTORM WATCH 525 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN
DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW
JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW
JERSEY...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND
SOUTHEAST PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

DEZ004-NJZ014-024>026-131945-
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
338 PM EDT THU SEP 12 2013

...SEVERE THUNDERSTORM WATCH 525 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN DELAWARE...CENTRAL
NEW JERSEY AND SOUTHERN NEW JERSEY.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

IN ADDITION, THERE IS A MODERATE RISK OF RIP CURRENTS ON FRIDAY AS
LONG-PERIOD SWELLS FROM TROPICAL STORM GABRIELLE REACH THE NJ AND
DE SHORE. OTHERWISE, NO HAZARDOUS WEATHER IS EXPECTED AT THIS
TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

ANZ430-431-450>455-131945-
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM-
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM-
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM-
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM-
338 PM EDT THU SEP 12 2013

...SEVERE THUNDERSTORM WATCH 525 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND
DELAWARE BAY WATERS.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Special weather statement, Sep 12, 1:19 PM EDT, 2 hours 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
119 PM EDT THU SEP 12 2013

NJZ012>014-121815-
EASTERN MONMOUTH NJ-MIDDLESEX NJ-WESTERN MONMOUTH NJ-
119 PM EDT THU SEP 12 2013

...A STRONG THUNDERSTORM WILL AFFECT MONMOUTH AND SOUTHEASTERN
MIDDLESEX COUNTIES...

AT 115 PM EDT...A STRONG THUNDERSTORM WAS NEAR MANALAPAN...MOVING
NORTHEAST 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 MARLBORO AROUND 130 PM...HOLMDEL AROUND 140
PM...MIDDLETOWN AROUND 150 PM AND SANDY HOOK AROUND 200 PM.

LAT...LON 4017 7433 4017 7438 4026 7449 4028 7449
      4047 7425 4046 7421 4047 7414 4043 7405
      4043 7400 4047 7403 4048 7402 4048 7401
      4045 7396 4034 7396

MEOLA

Local storm report, Sep 12, 2:08 PM EDT, 1 hour 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
208 PM EDT THU SEP 12 2013

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

0155 PM     MARINE TSTM WIND SANDY HOOK              40.44N  73.99W
09/12/2013  M41 MPH          MONMOUTH           NJ   WEATHER FLOW

&&

EVENT NUMBER PHI1300422

BUNKER

Special weather statement, Sep 12, 2:21 PM EDT, 1 hour 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
221 PM EDT THU SEP 12 2013

MDZ012-015-121915-
KENT MD-QUEEN ANNE'S MD-
221 PM EDT THU SEP 12 2013

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL QUEEN ANNE'S AND
SOUTHERN KENT COUNTIES...

AT 219 PM EDT...A STRONG THUNDERSTORM WAS 6 MILES NORTHWEST OF ROCK
HALL...MOVING EAST AT 20 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM.

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 ROCK HALL AROUND 240 PM...LANGFORD AROUND 250
PM...OLD TOWN AROUND 300 PM...STARKEY CORNER AROUND 310 PM AND CHURCH
HILL AROUND 320 PM.

LAT...LON 3917 7627 3918 7628 3928 7621 3927 7589
      3899 7601 3905 7624 3913 7626 3914 7629
      3917 7629

FORECASTER: HEAVENER

Special weather statement, Sep 12, 2:26 PM EDT, 1 hour 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
226 PM EDT THU SEP 12 2013

PAZ054-055-121930-
CARBON PA-MONROE PA-
226 PM EDT THU SEP 12 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CARBON AND NORTHERN
MONROE COUNTIES...

AT 222 PM EDT...A STRONG THUNDERSTORM WAS NEAR ARROWHEAD LAKE...
MOVING NORTHEAST AT 30 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM.

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 TOBYHANNA AROUND 240 PM...CRESCO AROUND 250
PM AND SKYTOP AROUND 300 PM.

LAT...LON 4125 7512 4116 7515 4114 7508 4109 7503
      4089 7569 4100 7576 4102 7574 4105 7578
      4108 7578 4111 7575 4114 7569 4113 7564
      4123 7554 4126 7517

MEOLA

Special weather statement, Sep 12, 3:13 PM EDT, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
313 PM EDT THU SEP 12 2013

NJZ013-014-020-026-122015-
COASTAL OCEAN NJ-EASTERN MONMOUTH NJ-OCEAN NJ-WESTERN MONMOUTH NJ-
313 PM EDT THU SEP 12 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN OCEAN AND
SOUTHEASTERN MONMOUTH COUNTIES...

AT 309 PM EDT...A STRONG THUNDERSTORM WAS NEAR JACKSON...MOVING
NORTHEAST AT 30 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 BRICK TOWNSHIP AROUND 320 PM...SPRING LAKE
HEIGHTS AROUND 330 PM...SPRING LAKE AROUND 340 PM AND LONG BRANCH
AROUND 350 PM.

LAT...LON 4014 7402 4010 7402 4008 7403 4006 7402
      4004 7404 3999 7405 3999 7409 4000 7410
      3998 7410 3994 7435 4016 7440 4031 7397
      4028 7397

MEOLA

Special weather statement, Sep 12, 3:43 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 12, 6:43 AM EDT	Special Weather Statement	PHI	Hunterdon	62 min
Sep 12, 7:38 AM EDT	Areal Flood Advisory	PHI	Hunterdon	3 hr
Sep 12, 8:16 AM EDT	Flash Flood Warning	PHI	Hunterdon	3 hr
Sep 12, 11:15 AM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset	60 min
Sep 12, 11:35 AM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset	55 min
Sep 12, 1:19 PM EDT	Special Weather Statement	PHI	Monmouth	56 min
Sep 12, 3:13 PM EDT	Special Weather Statement	PHI	Monmouth	62 min
Sep 12, 5:38 PM EDT	Small Craft Advisory	PHI		7 hr
Sep 12, 6:00 PM EDT	Special Weather Statement	PHI	Morris, Sussex, Warren	90 min
Sep 12, 6:07 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Sussex, Warren	68 min
Sep 12, 6:35 PM EDT	Special Weather Statement	PHI	Middlesex	55 min
Sep 12, 6:43 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Somerset	62 min
Sep 12, 7:28 PM EDT	Special Weather Statement	PHI	Burlington, Middlesex, Monmouth	62 min
Sep 12, 2:26 PM EDT	Special Weather Statement	PHI	Carbon, Monroe	64 min
Sep 12, 4:21 PM EDT	Special Weather Statement	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	84 min
Sep 12, 4:40 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more	95 min
Sep 12, 5:47 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	58 min
Sep 12, 6:40 PM EDT	Special Weather Statement	PHI	Kent	65 min
Sep 12, 7:26 PM EDT	Special Weather Statement	PHI	Sussex	64 min
Sep 12, 2:21 PM EDT	Special Weather Statement	PHI	Kent, Queen Anne's	54 min
Sep 12, 5:58 PM EDT	Special Weather Statement	PHI	Queen Anne's, Talbot	62 min
Sep 12, 6:21 PM EDT	Severe Thunderstorm Warning	PHI	Talbot	39 min

Nearby

Special Weather Statements in Pennsylvania, 2013 Every special weather statement in 2013

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.