Alert archive / New Jersey / Coastal Flood Statements in 2010

Coastal Flood Statement 2, NWS Philadelphia/Mount Holly

August 8, 2010Sussex County, Delaware; 4 counties in New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Aug 8, 2010, 11:20 AM EDT for Sussex County, Delaware; 4 counties in New Jersey. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Aug 8, 2010, 11:20 AM EDT (15:20 UTC)
Expired
Aug 8, 2010, 11:00 PM EDT
In force
12 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, DE, Atlantic County, NJ, Cape May County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 15:23 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 3.3 hours before the alert went out and 184 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-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2010-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2010-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
127 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1253 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
10 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.

068 
WHUS41 KPHI 081520
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1120 AM EDT SUN AUG 8 2010

DEZ004-NJZ014-024>026-090200-
/O.NEW.KPHI.CF.S.0002.100808T1520Z-100809T0300Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
1120 AM EDT SUN AUG 8 2010

...MODERATE RISK FOR RIP CURRENTS TODAY...
...HIGH ASTRONOMICAL TIDES THIS EVENING...

ONSHORE WINDS AND A LONG PERIOD SOUTHEAST SWELL FROM MINIMAL
TROPICAL STORM COLIN ARE PRODUCING MODERATE ENHANCED RIP CURRENT
RISKS TODAY. A MODERATE RISK OF RIP CURRENTS IMPLIES THAT
INDIVIDUALS PLANNING TO ENTER THE SURF SHOULD CHECK WITH LOCAL
BEACH PATROLS FIRST. BE SURE TO SWIM WITHIN SIGHT OF A LIFEGUARD,
AND NEVER SWIM ALONE OR AT NIGHT.

WITH ASTRONOMICAL TIDES ALREADY HIGH BECAUSE OF THE NEW MOON ON
MONDAY, A LIGHT ONSHORE FLOW COULD CAUSE WATER LEVELS TO APPROACH
MINOR TIDAL FLOOD HEIGHTS AROUND THE TIME OF THE HIGH TIDE CYCLE
THIS EVENING. HIGH TIDES ALONG THE NEW JERSEY AND DELAWARE COASTS
WILL OCCUR BETWEEN 6 AND 8 PM. WHILE WIDESPREAD FLOODING IS NOT
ANTICIPATED, SOME MINOR SPILLOVER MAY OCCUR IN THE MOST SUSCEPTIBLE
AREAS.

IT IS POSSIBLE THAT THESE CONDITIONS COULD CONTINUE INTO MONDAY.
ADDITIONAL STATEMENTS WILL BE ISSUED IF THIS OCCURS.

$$

RPW
1 follow-up statement
312 
WHUS41 KPHI 082329
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
729 PM EDT SUN AUG 8 2010

DEZ004-NJZ014-024>026-090100-
/O.CON.KPHI.CF.S.0002.000000T0000Z-100809T0300Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
729 PM EDT SUN AUG 8 2010

...MODERATE RISK FOR RIP CURRENTS...
...HIGH ASTRONOMICAL TIDES THIS EVENING...

ONSHORE WINDS AND A LONG PERIOD SOUTHEAST SWELL FROM FORMER AND
NOW DISSIPATED TROPICAL STORM COLIN WERE PRODUCING MODERATE
ENHANCED RIP CURRENT RISKS TODAY. A MODERATE RISK OF RIP CURRENTS
IMPLIES THAT INDIVIDUALS PLANNING TO ENTER THE SURF SHOULD CHECK
WITH LOCAL BEACH PATROLS FIRST. BE SURE TO SWIM WITHIN SIGHT OF A
LIFEGUARD... AND NEVER SWIM ALONE OR AT NIGHT.

WITH ASTRONOMICAL TIDES ALREADY HIGH BECAUSE OF THE NEW MOON ON
MONDAY... A LIGHT ONSHORE FLOW IS CONTRIBUTING TO WATER LEVELS 
NEAR MINOR TIDAL FLOOD HEIGHTS AROUND THE TIME OF THE HIGH TIDE
CYCLE THIS EVENING. HIGH TIDES ALONG THE NEW JERSEY AND DELAWARE
COASTS ARE OCCURRING BETWEEN NOW AND 8 PM. WHILE WIDESPREAD
FLOODING IS NOT ANTICIPATED... SOME MINOR SPILLOVER MAY OCCUR IN
THE MOST SUSCEPTIBLE AREAS.

IT IS POSSIBLE THAT THESE CONDITIONS COULD OCCUR AT THE HIGH TIDE
CYCLES MONDAY...TUESDAY AND WEDNESDAY EVENINGS.

ADDITIONAL STATEMENTS WILL BE ISSUED IF THIS OCCURS.

$$

Nearby

Coastal Flood Statements in New Jersey, 2010Coastal Flood Statements in Delaware, 2010Every coastal flood statement in 2010

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.