Alert archive / New Jersey / Coastal Flood Statements in 2011
Coastal Flood Statement 13, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this coastal flood statement at Apr 18, 2011, 4:05 PM EDT for 9 counties in New Jersey; Delaware County, Philadelphia County, Pennsylvania; Kent County, New Castle County, Sussex County, Delaware. It took effect at Apr 18, 2011, 8:00 PM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 18, 2011, 4:05 PM EDT (20:05 UTC)
- In effect from
- Apr 18, 2011, 8:00 PM EDT
- Expired
- Apr 19, 2011, 3:54 AM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 20:03 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.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.1 hours before the alert went out and 188 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
- 2327 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
591 WHUS41 KPHI 182005 CFWPHI URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 405 PM EDT MON APR 18 2011 DEZ002>004-NJZ013-014-020>027-190400- /O.NEW.KPHI.CF.S.0013.110419T0000Z-110419T0400Z/ KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH- EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- 405 PM EDT MON APR 18 2011 ...SPOTTY MINOR TIDAL FLOODING MAY OCCUR AROUND THE TIME OF HIGH TIDE TONIGHT... WITH ASTRONOMICAL TIDES STILL RUNNING HIGH BECAUSE OF THE RECENT FULL MOON, WATER LEVELS WILL REMAIN QUITE HIGH THROUGH THE EVENING HOURS AND SOME SPOTTY MINOR TIDAL FLOODING IS POSSIBLE IN THE MOST SUSCEPTIBLE AREAS AROUND THE TIME OF HIGH TIDE. HIGH TIDE WILL OCCUR BETWEEN 830 PM AND 1000 PM ALONG THE NEW JERSEY AND DELAWARE OCEAN FRONTS AND UP TO SEVERAL HOURS LATER ON RARITAN BAY, THE LOWER DELAWARE BAY, AND THE BACK BAYS. THIS WILL NOT BE A MAJOR FLOOD EVENT, BUT, NEVERTHELESS, VEHICLES SHOULD NOT BE PARKED IN FLOOD PRONE AREAS. $$ DEZ001-NJZ016>019-PAZ070-071-190800- /O.NEW.KPHI.CF.S.0013.110419T0300Z-110419T0800Z/ NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- DELAWARE-PHILADELPHIA- 405 PM EDT MON APR 18 2011 ...SPOTTY MINOR TIDAL FLOODING MAY OCCUR AROUND THE TIME OF HIGH TIDE TONIGHT... WITH ASTRONOMICAL TIDES STILL RUNNING HIGH BECAUSE OF THE RECENT FULL MOON, WATER LEVELS WILL REMAIN QUITE HIGH THROUGH THE LATE EVENING AND EARLY OVERNIGHT HOURS AND SOME SPOTTY MINOR TIDAL FLOODING IS POSSIBLE IN THE MOST SUSCEPTIBLE AREAS AROUND THE TIME OF HIGH TIDE. HIGH TIDE WILL OCCUR BETWEEN 1100 PM AND 300 AM ON THE UPPER DELAWARE BAY AND THE LOWER DELAWARE RIVER. THIS WILL NOT BE A MAJOR FLOOD EVENT, BUT, NEVERTHELESS, VEHICLES SHOULD NOT BE PARKED IN FLOOD PRONE AREAS. $$
1 follow-up statement
717 WHUS41 KPHI 190754 CFWPHI URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 354 AM EDT TUE APR 19 2011 DEZ001-NJZ016>019-PAZ070-071-190900- /O.CAN.KPHI.CF.S.0013.000000T0000Z-110419T0800Z/ NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- DELAWARE-PHILADELPHIA- 354 AM EDT TUE APR 19 2011 ...SPOTTY MINOR TIDAL FLOODING HAS ENDED... THE HIGH TIDE HAS PASSED ALONG THE TIDAL DELAWARE...DELAWARE BAY AND THE SHORE. THERE IS NO LONGER A THREAT FOR TIDAL FLOODING THIS MORNING. THERE IS ONLY A SMALL POTENTIAL FOR FURTHER MINOR TIDAL FLOODING TUESDAY NIGHT AND EARLY WEDNESDAY MORNING. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 10:35 PM EDT | Coastal Flood Statement | PHI | Burlington, Camden, Gloucester, Salem | 5 hr |
| Apr 18, 8:28 AM EDT | Areal Flood Warning | PHI | Morris | 31 hr |
| Apr 18, 10:39 AM EDT | Small Craft Advisory for Hazardous Seas | PHI | 5 hr | |
| Apr 18, 3:50 PM EDT | Small Craft Advisory | PHI | 19 hr |
Nearby
Coastal Flood Statements in New Jersey, 2011Coastal Flood Statements in Delaware, 2011Coastal Flood Statements in Pennsylvania, 2011Every 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.