Alert archive / Pennsylvania / Special Weather Statements in 2018
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Sep 6, 2018, 7:51 PM EDT for Delaware County, Pennsylvania. It was in force for 39 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, 2018, 7:51 PM EDT (23:51 UTC)
- Expired
- Sep 6, 2018, 8:30 PM EDT
- In force
- 39 min
- Issued by
- NWS Philadelphia/Mount Holly
County Delaware County, PA
The radar
The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 23:51 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, 11.9 hours before the alert went out and 227 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.
- Mixed-layer CAPE
- 1443 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 719 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted.
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</html>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, 7:42 PM EDT, 9 minutes earlier.
Area forecast discussion, Sep 6, 7:42 PM EDT, 9 minutes before
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<body>
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Hazardous weather outlook, Sep 6, 7:05 PM EDT, 46 minutes before
Hazardous Weather Outlook National Weather Service Mount Holly NJ 705 PM EDT Thu Sep 6 2018 NJZ001-007>010-PAZ054-055-060>062-103-105-072315- Sussex-Warren-Morris-Hunterdon-Somerset-Carbon-Monroe-Berks-Lehigh- Northampton-Western Montgomery-Upper Bucks- 705 PM EDT Thu Sep 6 2018 This Hazardous Weather Outlook is for northern New Jersey, northwest New Jersey, east central Pennsylvania, northeast Pennsylvania and southeast Pennsylvania. .DAY ONE...Tonight. The probability of widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a chance for heavy rainfall and localized flooding with one or more rounds of storms later Friday through early next week. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. PAZ101-102-104-072315- Western Chester-Eastern Chester-Eastern Montgomery- 705 PM EDT Thu Sep 6 2018 This Hazardous Weather Outlook is for southeast Pennsylvania. .DAY ONE...Tonight. Some heavy rain may result in localized flooding this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a chance for heavy rainfall and localized flooding with one or more rounds of storms Friday through early next week. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MDZ008-012-015-019-020-072315- Cecil-Kent MD-Queen Annes-Talbot-Caroline- 705 PM EDT Thu Sep 6 2018 This Hazardous Weather Outlook is for northeast Maryland. .DAY ONE...Tonight. Some heavy rain may result in localized flooding this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a chance for heavy rainfall and localized flooding with one or more rounds of storms Friday through early next week. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. DEZ004-NJZ014-024>026-072315- Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May- Coastal Atlantic-Coastal Ocean- 705 PM EDT Thu Sep 6 2018 This Hazardous Weather Outlook is for southern Delaware, central New Jersey and southern New Jersey. .DAY ONE...Tonight. There is a moderate risk for the formation of dangerous rip currents today on the New Jersey coast. Some heavy rain may result in localized flooding later this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. The risk for dangerous rip currents will be elevated Friday through much of next week. Spotty minor coastal flooding is possible with the evening high tide Friday, but coastal flooding is more likely with the high tides Saturday, Sunday, and Monday due to higher astronomical tides associated with the new moon on Sunday, and an onshore flow starting Friday, and increasing into the weekend. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. DEZ001>003-NJZ012-013-016-020>023-027-072315- New Castle-Kent-Inland Sussex-Middlesex-Western Monmouth-Salem-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington- 705 PM EDT Thu Sep 6 2018 This Hazardous Weather Outlook is for central Delaware, northern Delaware, southern Delaware, central New Jersey, northern New Jersey and southern New Jersey. .DAY ONE...Tonight. Some heavy rain may result in localized flooding this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a chance for heavy rainfall and localized flooding with one or more rounds of storms Friday through early next week. Spotty minor coastal flooding is possible with the evening high tide Friday, but coastal flooding is more likely with the high tides Saturday, Sunday, and Monday due to higher astronomical tides associated with the new moon on Sunday, and an onshore flow starting Friday, and increasing into the weekend. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ015-017>019-PAZ070-071-106-072315- Mercer-Gloucester-Camden-Northwestern Burlington-Delaware- Philadelphia-Lower Bucks- 705 PM EDT Thu Sep 6 2018 This Hazardous Weather Outlook is for central New Jersey, southern New Jersey and southeast Pennsylvania. .DAY ONE...Tonight. Some heavy rain may result in localized flooding this evening. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. There is a chance for heavy rainfall and localized flooding with one or more rounds of storms Friday through early next week. Spotty minor coastal flooding is possible with the evening high tide Friday, but coastal flooding is more likely with the high tides Saturday, Sunday, and Monday due to higher astronomical tides associated with the new moon on Sunday, and an onshore flow starting Friday, and increasing into the weekend. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ430-431-450>455-072315- 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- 705 PM EDT Thu Sep 6 2018 This Hazardous Weather Outlook is for Atlantic coastal waters and Delaware Bay Waters. .DAY ONE...Tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Gale force wind gusts are possible Sunday and Sunday night, especially on the Atlantic coastal waters. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures.
In the hours before
Special weather statement, Sep 6, 4:02 PM EDT, 3 hours 49 minutes before
Special Weather Statement
National Weather Service MOUNT HOLLY NJ
402 PM EDT THU SEP 6 2018
PAZ054-062030-
Carbon-
402 PM EDT THU SEP 6 2018
...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT CARBON COUNTY...
At 401 PM EDT, a cluster of strong thunderstorms was over
Nesquehoning, or near Lehighton, moving east at 5 mph.
Winds up to 40 mph are possible with these storm.
Locations impacted include...
Lehighton, Palmerton, Jim Thorpe, Nesquehoning, Weatherly, New
Mahoning, Beltzville State Park, Penn Forest Reservoir,
Albrightsville, Christmans, Summit Hill, Bowmanstown, Beaver Meadows,
Parryville, Weissport, Trachsville, Weissport East and Tresckow.
Torrential rainfall is also occurring with these storm, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 4108 7562 4096 7555 4095 7557 4083 7548
4078 7567 4075 7575 4091 7599 4096 7586
4098 7582 4098 7580 4101 7573 4103 7574
TIME...MOT...LOC 2001Z 255DEG 5KT 4087 7579
amcSpecial weather statement, Sep 6, 4:16 PM EDT, 3 hours 35 minutes before
Special Weather Statement
National Weather Service MOUNT HOLLY NJ
416 PM EDT THU SEP 6 2018
NJZ001-062045-
Sussex-
416 PM EDT THU SEP 6 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN SUSSEX COUNTY...
At 415 PM EDT, a strong thunderstorm was located over Dingmans Ferry,
or near Montague, moving east at 15 mph.
Winds up to 40 mph are possible with this storm.
Locations impacted include...
Port Jervis, Montague, Sussex, Vernon Valley, High Point and
Hainesville.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4121 7438 4113 7493 4121 7486 4123 7487
4128 7484 4132 7479 4133 7476 4135 7475
4135 7472 4136 7470
TIME...MOT...LOC 2015Z 267DEG 11KT 4125 7487
amcSpecial weather statement, Sep 6, 4:35 PM EDT, 3 hours 16 minutes before
Special Weather Statement
National Weather Service MOUNT HOLLY NJ
435 PM EDT THU SEP 6 2018
PAZ054-055-062115-
Monroe-Carbon-
435 PM EDT THU SEP 6 2018
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CARBON AND MONROE
COUNTIES...
At 434 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Werry Lake to Nesquehoning. The
storms are nearly stationary.
Winds up to 40 mph are possible with these storms.
Locations impacted include...
Lehighton, Mount Pocono, East Stroudsburg, Palmerton, Jim Thorpe,
Nesquehoning, Weatherly, Delaware Water Gap, Stormville, Werry Lake,
Pocono Pines, Lake Harmony, Tannersville, Long Pond, Kresgeville, Sun
Valley, Reeders, Beltzville State Park, Saylorsburg and McMichael.
Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4117 7515 4115 7515 4114 7510 4108 7503
4108 7500 4086 7532 4078 7562 4078 7567
4074 7577 4083 7590 4091 7599 4101 7573
4102 7573 4121 7520
TIME...MOT...LOC 2034Z 295DEG 4KT 4113 7509 4087 7586
amcSpecial weather statement, Sep 6, 5:21 PM EDT, 2 hours 30 minutes before
Special Weather Statement
National Weather Service MOUNT HOLLY NJ
521 PM EDT THU SEP 6 2018
NJZ001-007-PAZ062-062145-
Sussex-Warren-Northampton-
521 PM EDT THU SEP 6 2018
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SUSSEX...WARREN AND
NORTHEASTERN NORTHAMPTON COUNTIES...
At 520 PM EDT, radar indicated strong thunderstorms were located
along a line extending from Crandon Lakes to Bangor. Movement was
southeast at 15 mph.
Winds up to 40 mph are possible with these storms.
Locations impacted include...
Easton, Newton, Hackettstown, Washington, Blairstown, Bangor,
Franklin, Pen Argyl, Hamburg, Wind Gap, Belvidere, Harmony, Oxford,
Ogdensburg, Alpha, Hope, East Bangor, Branchville, Delaware Water Gap
and Andover.
Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4116 7443 4062 7516 4086 7530 4094 7520
4097 7512 4100 7512 4104 7503 4109 7497
4109 7499 4110 7499 4124 7481
TIME...MOT...LOC 2120Z 324DEG 12KT 4113 7483 4086 7518
amcSpecial weather statement, Sep 6, 7:51 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service MOUNT HOLLY NJ
751 PM EDT THU SEP 6 2018
NJZ017-018-PAZ070-071-070030-
Camden-Gloucester-Delaware-Philadelphia-
751 PM EDT THU SEP 6 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CAMDEN...NORTH
CENTRAL GLOUCESTER...SOUTHWESTERN PHILADELPHIA AND EASTERN DELAWARE
COUNTIES...
At 750 PM EDT, a strong thunderstorm was located over Broomall, or 12
miles west of Philadelphia, moving east at 20 mph.
Heavy rain and winds up to 30 mph are possible with this storm.
Locations impacted include...
Philadelphia, Camden, Gloucester City, Chester, Deptford, West
Deptford, Bellmawr, Yeadon, Woodbury, Folcroft, Swarthmore,
Paulsboro, Westville, Woodbury Heights, National Park, East
Lansdowne, Brooklawn, Audubon Park, Darby Township and Morris Park.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4002 7538 4001 7530 3998 7527 4001 7522
3999 7505 3977 7514 3988 7543
TIME...MOT...LOC 2350Z 285DEG 18KT 3995 7536
AMCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 4:16 PM EDT | Special Weather Statement | PHI | Sussex | 29 min |
| Sep 6, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 31 min |
| Sep 6, 5:21 PM EDT | Special Weather Statement | PHI | Sussex, Warren | 24 min |
| Sep 6, 4:02 PM EDT | Special Weather Statement | PHI | Carbon | 28 min |
| Sep 6, 4:35 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 40 min |
Nearby
Special Weather Statements in Pennsylvania, 2018Every special weather statement in 2018
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.