Alert archive / Delaware / Coastal Flood Statements in 2022
Coastal Flood Statement 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this coastal flood statement at May 11, 2022, 9:07 AM EDT for Sussex County, Delaware; Ocean County, New Jersey. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- May 11, 2022, 9:07 AM EDT (13:07 UTC)
- Expired
- May 12, 2022, 8:48 AM EDT
- In force
- 24 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, DE, Ocean County, NJ
The radar
The Dover AFB radar (KDOX), 75 km from the middle of the area, began a volume at 13:05 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, 1.1 hours before the alert went out and 158 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
- 1176 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
854 WHUS41 KPHI 111307 CFWPHI Coastal Hazard Message National Weather Service Mount Holly NJ 907 AM EDT Wed May 11 2022 NJZ020-026-120000- /O.EXP.KPHI.CF.S.0005.000000T0000Z-220511T1300Z/ /O.NEW.KPHI.CF.S.0006.220511T1307Z-220512T0000Z/ Ocean-Coastal Ocean- 907 AM EDT Wed May 11 2022 ...COASTAL FLOOD STATEMENT IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. * WHERE...Barnegat Bay and the tidal waterways that flow into it. * WHEN...Until 8 PM EDT this evening. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ DEZ003-004-120000- /O.EXP.KPHI.CF.S.0005.000000T0000Z-220511T1300Z/ /O.NEW.KPHI.CF.S.0006.220511T1307Z-220512T0000Z/ Inland Sussex-Delaware Beaches- 907 AM EDT Wed May 11 2022 ...COASTAL FLOOD STATEMENT IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. * WHERE...Little Assawoman Bay and the tidal waterways that flow into it. * WHEN...Until 8 PM EDT this evening. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. $$
3 follow-up statements
139 WHUS41 KPHI 112322 CFWPHI Coastal Hazard Message National Weather Service Mount Holly NJ 722 PM EDT Wed May 11 2022 NJZ020-026-121230- /O.EXT.KPHI.CF.S.0006.000000T0000Z-220512T1300Z/ Ocean-Coastal Ocean- 722 PM EDT Wed May 11 2022 ...COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY MORNING... * WHAT...Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. * WHERE...Barnegat Bay and the tidal waterways that flow into it. * WHEN...Through Thursday morning. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$ DEZ003-004-121230- /O.EXT.KPHI.CF.S.0006.000000T0000Z-220512T1300Z/ Inland Sussex-Delaware Beaches- 722 PM EDT Wed May 11 2022 ...COASTAL FLOOD STATEMENT NOW IN EFFECT THROUGH THURSDAY MORNING... * WHAT...Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. * WHERE...Little Assawoman Bay and the tidal waterways that flow into it. * WHEN...Through Thursday morning. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Do not drive through flooded roadways. && $$
904
WHUS41 KPHI 120843
CFWPHI
Coastal Hazard Message
National Weather Service Mount Holly NJ
443 AM EDT Thu May 12 2022
NJZ020-026-121300-
/O.CON.KPHI.CF.S.0006.000000T0000Z-220512T1300Z/
Ocean-Coastal Ocean-
443 AM EDT Thu May 12 2022
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 9 AM EDT THIS
MORNING...
* WHAT...Up to one half foot of inundation above ground level in
low-lying areas near shorelines and tidal waterways.
* WHERE...Barnegat Bay and the tidal waterways that flow into it.
* WHEN...Until 9 AM EDT this morning.
* IMPACTS...At this level, flooding begins on the most vulnerable
roads in coastal and bayside communities, and along inland
tidal waterways. Some partial or full road closures are
possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
Time of high total tides are approximate to the nearest hour.
Barnegat Bay at Barnegat Light
MLLW Categories - Minor 3.5 ft, Moderate 4.5 ft, Major 5.5 ft
MHHW Categories - Minor 1.0 ft, Moderate 2.0 ft, Major 3.0 ft
Total Total Departure
Day/Time Tide Tide from Norm Flood
ft MLLW ft MHHW ft Impact
-------- --------- --------- --------- --------
12/05 AM 2.8 0.3 0.6 None
12/06 PM 2.7 0.2 0.3 None
13/06 AM 2.4 -0.1 0.2 None
13/07 PM 2.8 0.3 0.2 None
14/07 AM 2.3 -0.2 0.0 None
14/07 PM 2.9 0.4 0.0 None
&&
$$
DEZ003-004-121300-
/O.CON.KPHI.CF.S.0006.000000T0000Z-220512T1300Z/
Inland Sussex-Delaware Beaches-
443 AM EDT Thu May 12 2022
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT UNTIL 9 AM EDT THIS
MORNING...
* WHAT...Up to one half foot of inundation above ground level in
low-lying areas near shorelines and tidal waterways.
* WHERE...Little Assawoman Bay and the tidal waterways that flow
into it.
* WHEN...Until 9 AM EDT this morning.
* IMPACTS...At this level, flooding begins on the most vulnerable
roads in coastal and bayside communities, and along inland
tidal waterways. Some partial or full road closures are
possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Do not drive through flooded roadways.
&&
Time of high total tides are approximate to the nearest hour.
Delaware Bay at Lewes
MLLW Categories - Minor 6.0 ft, Moderate 7.0 ft, Major 8.0 ft
MHHW Categories - Minor 1.3 ft, Moderate 2.3 ft, Major 3.3 ft
Total Total Departure
Day/Time Tide Tide from Norm Flood
ft MLLW ft MHHW ft Impact
-------- --------- --------- --------- --------
12/06 AM 5.2 0.5 1.1 None
12/07 PM 5.0 0.3 0.6 None
13/07 AM 4.7 0.0 0.5 None
13/07 PM 5.1 0.5 0.3 None
14/08 AM 4.5 -0.2 0.3 None
14/08 PM 5.4 0.8 0.2 None
&&
$$
MPS838 WHUS41 KPHI 121248 CFWPHI Coastal Hazard Message National Weather Service Mount Holly NJ 848 AM EDT Thu May 12 2022 DEZ003-004-NJZ020-026-121400- /O.CAN.KPHI.CF.S.0006.000000T0000Z-220512T1300Z/ Inland Sussex-Delaware Beaches-Ocean-Coastal Ocean- 848 AM EDT Thu May 12 2022 ...COASTAL FLOOD STATEMENT IS CANCELLED... Water levels have remained below flood thresholds in the back bays, therefore this coastal flood statement has been cancelled. $$
Nearby
Coastal Flood Statements in Delaware, 2022Coastal Flood Statements in New Jersey, 2022Every coastal flood statement in 2022
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.