Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 2, NWS Philadelphia/Mount Holly

January 13, 2011Salem County, New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jan 13, 2011, 12:30 AM EST for Salem County, New Jersey; New Castle County, Delaware. It was in force for 90 min.

The area

The counties it named.

The facts

Issued: Jan 13, 2011, 12:30 AM EST (05:30 UTC)
Expired: Jan 13, 2011, 2:00 AM EST
In force: 90 min
Issued by: NWS Philadelphia/Mount Holly

Counties New Castle County, DE, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 84 km from the middle of the area, began a volume at 05:28 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, 5.5 hours before the alert went out and 178 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1383 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 225 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

682 
WHUS41 KPHI 130530
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1230 AM EST THU JAN 13 2011


DEZ001-NJZ016-130700-
/O.NEW.KPHI.CF.S.0002.110113T0530Z-110113T0700Z/
NEW CASTLE-SALEM-
1230 AM EST THU JAN 13 2011

TIDES IN PORTIONS OF UPPER DELAWARE BAY ARE MARGINALLY VERY LOW
JUST AFTER MIDNIGHT THIS MORNING. 

THESE LOW WATER CONDITIONS AT LOW TIDE AS INDICATED BY THE REEDY
POINT TIDE GAGE WILL RETURN TO WITHIN NORMAL VALUES BY 2AM AS THE
TIDES INCREASE FROM THEIR LOWEST CURRENT VALUES.

$$
DRAG

1 follow-up statement

526 
WHUS41 KPHI 130723
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
223 AM EST THU JAN 13 2011

DEZ001-NJZ016-130830-
/O.EXP.KPHI.CF.S.0002.000000T0000Z-110113T0700Z/
NEW CASTLE-SALEM-
223 AM EST THU JAN 13 2011

TIDES ON PORTIONS OF THE DELAWARE RIVER FROM TRENTON TO MARCUS
HOOK INCLUDING PHILADELPHIA ARE MARGINALLY VERY LOW JUST AFTER
2 AM THIS MORNING.

THESE LOW WATER CONDITIONS AT LOW TIDE AS INDICATED BY THE 
PHILADELPHIA TIDE GAGE...WILL RETURN TO WITHIN NORMAL VALUES
BETWEEN 3 AM AND 4 AM AS THE TIDES INCREASE FROM THEIR LOWEST
CURRENT VALUES.


$$

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 13, 2:26 AM EST	Coastal Flood Statement	PHI	Burlington, Camden, Gloucester, Mercer	94 min
Jan 13, 9:45 AM EST	Coastal Flood Statement	PHI	Burlington, Camden, Gloucester, Mercer, Salem	27 min

Nearby

Coastal Flood Statements in New Jersey, 2011 Coastal Flood Statements in Delaware, 2011 Every coastal flood statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.