Alert archive / New Jersey / Areal Flood Advisories in 2018
Areal Flood Advisory 10, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Feb 11, 2018, 2:27 AM EST for Atlantic County, Cape May County, Cumberland County, New Jersey; Kent County, Sussex County, Delaware. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Feb 11, 2018, 2:27 AM EST (07:27 UTC)
- Expired
- Feb 11, 2018, 6:30 AM EST
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Kent County, DE, Sussex County, DE, Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 46 km from the middle of the area, began a volume at 07:29 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, 7.5 hours before the alert went out and 200 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
- 568 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 216 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 Feb 11, 12:45 AM EST, 1 hour 42 minutes earlier.
Area forecast discussion, Feb 11, 12:45 AM EST, 1 hour 42 minutes before
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Special weather statement, Feb 10, 8:52 PM EST, 5 hours 35 minutes before
Special Weather Statement National Weather Service Mount Holly NJ 852 PM EST Sat Feb 10 2018 DEZ001-MDZ008-012-NJZ001-007>010-012>027-PAZ054-055-060>062-070- 071-101>106-110800- New Castle-Cecil-Kent MD-Sussex-Warren-Morris-Hunterdon-Somerset- Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem- Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Coastal Ocean-Southeastern Burlington-Carbon-Monroe-Berks-Lehigh- Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Elkton, Chestertown, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Long Beach Island, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 852 PM EST Sat Feb 10 2018 ... WIDESPREAD FOG AND PATCHY DENSE FOG THROUGH THE OVERNIGHT... Areas of fog across Eastern Pennsylvania, New Jersey and northern Delmarva will become more widespread heading into the overnight and become locally dense. Visibilities will fall below a mile in many spots. Watch for reduced visibilities and exercise caution if traveling overnight. DEZ002>004-MDZ015-019-020-110800- Kent-Inland Sussex-Delaware Beaches-Queen Annes-Talbot-Caroline- Including the cities of Dover, Georgetown, Rehoboth Beach, Centreville, Easton, and Denton 852 PM EST Sat Feb 10 2018 ...AREAS OF FOG AND PATCHY DENSE FOG DEVELOPING OVERNIGHT... Areas of fog are likely develop through the remainder of the evening into the overnight. Fog may become locally dense with visibilities falling to a mile or less in many spots. Watch for reduced visibilities and exercise caution if traveling overnight. MWG
Local storm report, Feb 11, 12:29 AM EST, 1 hour 58 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 |
|---|---|---|---|---|
| Feb 10, 9:01 PM EST | Marine Dense Fog Advisory | PHI | 31 hr | |
| Feb 10, 10:58 PM EST | Areal Flood Advisory | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 4 hr |
| Feb 10, 11:01 PM EST | Dense Fog Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 8 hr |
| Feb 11, 6:01 AM EST | Areal Flood Advisory | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 18 hr |
| Feb 11, 7:53 AM EST | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Salem | 16 hr |
| Feb 11, 10:00 AM EST | Areal Flood Advisory | PHI | Burlington, Monmouth, Ocean | 4 hr |
| Feb 11, 10:04 AM EST | Special Weather Statement | PHI | Atlantic | 26 min |
| Feb 11, 10:38 AM EST | Areal Flood Advisory | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 2 more | 14 hr |
| Feb 11, 10:57 AM EST | Areal Flood Advisory | PHI | Salem | 12 hr |
| Feb 11, 12:24 PM EST | Areal Flood Warning | PHI | Hunterdon | 4 hr |
| Feb 11, 12:33 PM EST | River Flood Warning | PHI | Somerset | 40 hr |
| Feb 11, 12:37 PM EST | River Flood Warning | PHI | Burlington | 67 hr |
| Feb 11, 2:07 PM EST | Areal Flood Advisory | PHI | Burlington, Monmouth, Ocean | 4 hr |
| Feb 11, 5:57 PM EST | Areal Flood Advisory | PHI | Burlington, Monmouth, Ocean | 6 hr |
| Feb 11, 6:47 PM EST | Dense Fog Advisory | PHI | Sussex, Warren | 8 hr |
| Feb 11, 10:51 AM EST | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 8 hr |
| Feb 11, 3:15 PM EST | River Flood Warning | PHI | Bucks | 17 hr |
| Feb 11, 5:07 AM EST | Areal Flood Advisory | PHI | Kent, New Castle, Sussex | 4 hr |
| Feb 11, 6:58 AM EST | Areal Flood Warning | PHI | Kent | 18 hr |
Nearby
Areal 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.