Alert archive / Pennsylvania / Areal Flood Advisories in 2018
Areal Flood Advisory 25, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Mar 2, 2018, 6:29 AM EST for Mercer County, New Jersey; 5 counties in Pennsylvania; New Castle County, Delaware. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Mar 2, 2018, 6:29 AM EST (11:29 UTC)
- Expired
- Mar 2, 2018, 10:30 AM EST
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties New Castle County, DE, Mercer County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 76 km from the middle of the area, began a volume at 11:29 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 11.5 hours before the alert went out and 217 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Mar 2, 6:01 AM EST, 28 minutes earlier.
Area forecast discussion, Mar 2, 6:01 AM EST, 28 minutes before
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</html>Hazardous weather outlook, Mar 2, 4:20 AM EST, 2 hours 9 minutes before
Hazardous Weather Outlook National Weather Service Mount Holly NJ 420 AM EST Fri Mar 2 2018 DEZ001-MDZ008-NJZ016-017-PAZ060-070-101-102-030930- New Castle-Cecil-Salem-Gloucester-Berks-Delaware-Western Chester- Eastern Chester- 420 AM EST Fri Mar 2 2018 ...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 AM EST SATURDAY... This Hazardous Weather Outlook is for northern Delaware, northeast Maryland, southern New Jersey, east central Pennsylvania and southeast Pennsylvania. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Wind Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NJZ007-008-PAZ062-030930- Warren-Morris-Northampton- 420 AM EST Fri Mar 2 2018 ...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 4 AM EST SATURDAY... This Hazardous Weather Outlook is for northern New Jersey and east central Pennsylvania. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Winter Weather Advisory. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NJZ015-018-019-PAZ061-071-103>106-030930- Mercer-Camden-Northwestern Burlington-Lehigh-Philadelphia- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- 420 AM EST Fri Mar 2 2018 ...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... ...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 AM EST SATURDAY... This Hazardous Weather Outlook is for central New Jersey, southern New Jersey, east central Pennsylvania and southeast Pennsylvania. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. High Wind Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. MDZ012-015-019-020-030930- Kent MD-Queen Annes-Talbot-Caroline- 420 AM EST Fri Mar 2 2018 ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM EST SATURDAY... This Hazardous Weather Outlook is for northeast Maryland. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Wind Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NJZ001-PAZ054-055-030930- Sussex-Carbon-Monroe- 420 AM EST Fri Mar 2 2018 ...WINTER STORM WARNING IN EFFECT UNTIL 4 AM EST SATURDAY... This Hazardous Weather Outlook is for northern New Jersey and northeast Pennsylvania. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Winter Storm Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NJZ009-010-030930- Hunterdon-Somerset- 420 AM EST Fri Mar 2 2018 ...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 AM EST SATURDAY... This Hazardous Weather Outlook is for northern New Jersey and northwest New Jersey. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Wind Advisory. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NJZ012>014-020-026-027-030930- Middlesex-Western Monmouth-Eastern Monmouth-Ocean-Coastal Ocean- Southeastern Burlington- 420 AM EST Fri Mar 2 2018 ...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... ...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 AM EST SUNDAY... ...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 AM EST SATURDAY... This Hazardous Weather Outlook is for central New Jersey, northern New Jersey and southern New Jersey. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. Coastal Flood Warning. High Wind Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NJZ021>025-030930- Cumberland-Atlantic-Cape May-Atlantic Coastal Cape May- Coastal Atlantic- 420 AM EST Fri Mar 2 2018 ...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 AM EST SUNDAY... ...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 AM EST SATURDAY... This Hazardous Weather Outlook is for southern New Jersey. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Coastal Flood Warning. High Wind Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. DEZ002>004-030930- Kent-Inland Sussex-Delaware Beaches- 420 AM EST Fri Mar 2 2018 ...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 AM EST SUNDAY... ...HIGH WIND WARNING IN EFFECT UNTIL 6 AM EST SATURDAY... This Hazardous Weather Outlook is for central Delaware and southern Delaware. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Coastal Flood Warning. High Wind Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Coastal Flood Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ431-450>455-030930- 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- 420 AM EST Fri Mar 2 2018 ...STORM WARNING IN EFFECT UNTIL 6 AM EST SATURDAY... This Hazardous Weather Outlook is for Atlantic coastal waters and Delaware Bay Waters. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Storm Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ANZ430-030930- Delaware Bay waters north of East Point NJ to Slaughter Beach DE- 420 AM EST Fri Mar 2 2018 ...STORM WARNING IN EFFECT UNTIL 1 AM EST SATURDAY... This Hazardous Weather Outlook is for Delaware Bay Waters. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Storm Warning. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The probability for widespread hazardous weather is low. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Mar 2, 3:36 AM EST, 2 hours 53 minutes before
Special Weather Statement
National Weather Service Mount Holly NJ
336 AM EST FRI MAR 2 2018
DEZ001-NJZ016>019-021-022-PAZ070-071-101>106-020930-
New Castle-Salem-Camden-Atlantic-Northwestern
Burlington-Cumberland-Gloucester-Lower Bucks-Eastern
Montgomery-Western Chester-Philadelphia-Upper Bucks-Western
Montgomery-Delaware-Eastern Chester-
336 AM EST FRI MAR 2 2018
...A LINE OF SHOWERS WILL AFFECT NORTHEASTERN NEW CASTLE...NORTHERN
SALEM...CAMDEN...WEST CENTRAL ATLANTIC...NORTHWESTERN
BURLINGTON...BUCKS...NORTH CENTRAL CUMBERLAND...GLOUCESTER...
MONTGOMERY...CHESTER...PHILADELPHIA...AND DELAWARE COUNTIES...
At 332 AM EST, radar indicated a band of heavy rain located along a
line extending from near Schwenksville to Newtown Square to near
Beckett. Winds will become gusty along and behind this band
of rain. Movement was east at 20 mph.
Winds up to 50 mph are possible once this band of heavy rain passes.
Locations impacted include...
Philadelphia, Camden, Vineland, Gloucester City, Cherry Hill, Mount
Laurel, Norristown, Chester, Deptford, Voorhees, West Deptford,
Glassboro, Lindenwold, Phoenixville, Lansdale, West Norriton, East
Norriton, Bellmawr, Yeadon and Woodbury.
Heavy rainfall may cause localized flooding. Do not drive your
vehicle through flooded roadways.
LAT...LON 4032 7510 3992 7491 3947 7489 3967 7546
4002 7548 4033 7562
TIME...MOT...LOC 0832Z 286DEG 18KT 4026 7553 4001 7542 3973 7540
CMSLocal storm report, Mar 2, 6:24 AM EST, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
624 AM EST FRI MAR 02 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0458 AM NON-TSTM WND DMG BROOKFIELD 39.10N 75.54W
03/02/2018 KENT DE DEPT OF HIGHWAYS
DOWNED WIRES ON PEACHTREE RUN BETWEEN LOCHMEATH WAY AND
WALNUT SHADE ROAD.
&&
EVENT NUMBER PHI1800137
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 12:43 AM EST | Areal Flood Advisory | PHI | Hunterdon, Warren | 4 hr |
| Mar 2, 1:19 AM EST | Areal Flood Advisory | PHI | Middlesex, Monmouth, Morris, Somerset | 4 hr |
| Mar 2, 2:26 AM EST | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Monmouth and 2 more | 4 hr |
| Mar 2, 3:25 AM EST | Areal Flood Warning | PHI | Hunterdon | 6 hr |
| Mar 2, 3:36 AM EST | Special Weather Statement | PHI | Camden, Gloucester | 54 min |
| Mar 2, 4:43 AM EST | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 3 hr |
| Mar 2, 7:40 AM EST | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 5 hr |
| Mar 2, 8:45 AM EST | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Monmouth, Ocean | 4 hr |
| Mar 2, 10:11 AM EST | Areal Flood Advisory | PHI | Burlington, Ocean | 4 hr |
| Mar 2, 10:23 AM EST | Areal Flood Advisory | PHI | Mercer | 4 hr |
| Mar 2, 1:25 PM EST | Areal Flood Warning | PHI | Hunterdon | 4 hr |
| Mar 2, 4:37 AM EST | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 3 hr |
Nearby
Areal Flood Advisories in Pennsylvania, 2018Areal Flood Advisories in New Jersey, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.