Alert archive / Pennsylvania / Areal Flood Advisories in 2018
Areal Flood Advisory 251, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Aug 19, 2018, 2:05 PM EDT for Chester County, Delaware County, Pennsylvania; New Castle County, Delaware. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Aug 19, 2018, 2:05 PM EDT (18:05 UTC)
- Expired
- Aug 19, 2018, 9:37 PM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties New Castle County, DE, Chester County, PA, Delaware County, PA
The radar
The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 18:05 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 forecasters said that day
The local office's own words before this areal flood advisory 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 areal flood advisory went out at Aug 19, 9:40 AM EDT, 4 hours 25 minutes earlier.
Area forecast discussion, Aug 19, 9:40 AM EDT, 4 hours 25 minutes before
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</html>Hazardous weather outlook, Aug 19, 3:53 AM EDT, 10 hours 12 minutes before
Hazardous Weather Outlook National Weather Service Mount Holly NJ 353 AM EDT Sun Aug 19 2018 DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012-013-015>023-027- PAZ054-055-060>062-070-071-101>106-200800- New Castle-Kent-Inland Sussex-Delaware Beaches-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- 353 AM EDT Sun Aug 19 2018 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...Today and Tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Showers and thunderstorms may produce heavy rain and localized flooding Tuesday afternoon and Tuesday night. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. ANZ430-431-450>455-200800- 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- 353 AM EDT Sun Aug 19 2018 This Hazardous Weather Outlook is for Atlantic coastal waters and Delaware Bay Waters. .DAY ONE...Today and Tonight. The probability for widespread hazardous weather is low. .DAYS TWO THROUGH SEVEN...Monday through Saturday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. NJZ014-024>026-200800- Eastern Monmouth-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean- 353 AM EDT Sun Aug 19 2018 This Hazardous Weather Outlook is for central New Jersey and southern New Jersey. .DAY ONE...Today and Tonight. There is a moderate risk for the development of dangerous rip currents at New Jersey beaches through this evening. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Showers and thunderstorms may produce heavy rain and localized flooding Tuesday afternoon and Tuesday night. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. MPS
In the hours before
Local storm report, Aug 19, 1:57 PM EDT, 8 minutes before
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</html>The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 8:52 PM EDT | Special Weather Statement | PHI | Ocean | 23 min |
| Aug 18, 9:07 PM EDT | Special Marine Warning | PHI | 83 min | |
| Aug 18, 9:23 PM EDT | Special Marine Warning | PHI | 97 min | |
| Aug 19, 1:03 AM EDT | Areal Flood Advisory | PHI | Cape May | 4 hr |
| Aug 19, 3:31 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Ocean | 101 min |
| Aug 19, 4:11 AM EDT | Areal Flood Warning | PHI | Ocean | 4 hr |
| Aug 19, 10:00 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 110 min |
| Aug 18, 9:49 PM EDT | Special Weather Statement | PHI | Kent | 26 min |
| Aug 19, 1:11 AM EDT | Areal Flood Advisory | PHI | Kent, Sussex | 3 hr |
Nearby
Areal Flood Advisories in Pennsylvania, 2018Areal Flood Advisories in Delaware, 2018Every areal flood advisory 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; radar from the NEXRAD Level II archive.