Alert archive / New Jersey / Coastal Flood Advisories in 2011

Coastal Flood Advisory 20, NWS Philadelphia/Mount Holly

May 18, 201110 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this coastal flood advisory at May 18, 2011, 4:00 AM EDT for 10 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania. It took effect at May 18, 2011, 8:00 PM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: May 18, 2011, 4:00 AM EDT (08:00 UTC)
In effect from: May 18, 2011, 8:00 PM EDT
Expired: May 19, 2011, 5:00 AM EDT
In force: 9 hr
Issued by: NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 08:03 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 coastal 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 coastal flood advisory went out at May 18, 3:49 AM EDT, 11 minutes earlier.

Area forecast discussion, May 18, 3:49 AM EDT, 11 minutes before

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Hazardous weather outlook, May 18, 12:08 AM EDT, 3 hours 52 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
May 18, 12:39 PM EDT	Special Weather Statement	PHI	Atlantic, Ocean	66 min
May 18, 1:01 PM EDT	Special Weather Statement	PHI	Mercer	59 min
May 18, 2:14 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Middlesex, Somerset	4 hr
May 18, 2:45 PM EDT	Areal Flood Advisory	PHI	Morris, Sussex, Warren	6 hr
May 18, 4:12 PM EDT	River Flood Warning	PHI	Morris	32 hr
May 18, 4:12 PM EDT	River Flood Warning	PHI	Morris	72 hr
May 18, 4:13 PM EDT	River Flood Warning	PHI	Morris, Passaic	36 hr
May 18, 4:34 PM EDT	Flash Flood Warning	PHI	Morris, Sussex, Warren	4 hr
May 18, 1:52 PM EDT	Tornado Warning	PHI	Bucks, Montgomery, Philadelphia	24 min
May 18, 3:05 PM EDT	Areal Flood Advisory	PHI	Bucks, Montgomery	115 min
May 18, 2:29 PM EDT	Special Weather Statement	PHI	Talbot	61 min
May 18, 2:39 PM EDT	Tornado Warning	PHI	Queen Anne's, Talbot	51 min
May 18, 3:22 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's, Talbot	47 min
May 18, 4:01 PM EDT	Coastal Flood Statement	PHI	Kent, Queen Anne's, Talbot	5 hr

Nearby

Coastal Flood Advisories in New Jersey, 2011 Coastal Flood Advisories in Pennsylvania, 2011 Every coastal flood advisory in 2011

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.