Alert archive / Maryland / Coastal Flood Statements in 2011
Coastal Flood Statement 41, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this coastal flood statement at Sep 30, 2011, 5:33 PM EDT for 4 counties in Maryland. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Sep 30, 2011, 5:33 PM EDT (21:33 UTC)
- Expired
- Sep 30, 2011, 6:21 PM EDT
- In force
- 48 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 55 km from the middle of the area, began a volume at 21:34 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.6 hours before the alert went out and 55 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
- 1205 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
536 WHUS41 KPHI 302133 CFWPHI COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 533 PM EDT FRI SEP 30 2011 NJZ015-018-019-PAZ069-071-302300- /O.CON.KPHI.CF.W.0007.000000T0000Z-110930T2300Z/ MERCER-CAMDEN-NORTHWESTERN BURLINGTON-BUCKS-PHILADELPHIA- 533 PM EDT FRI SEP 30 2011 ...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * LOCATION...THE TIDAL DELAWARE RIVER AND TIDAL TRIBUTARIES ON BOTH SIDES OF THE RIVER FROM PHILADELPHIA NORTH. * COASTAL FLOODING...MODERATE TIDAL FLOODING IS FORECAST. * TIMING...HIGH TIDE AT NEWBOLD...PA OCCURS AT 540 PM EDT. * IMPACTS...ROADS AND LOCATIONS PRONE TO TIDAL FLOODING DURING SIGNIFICANT EVENTS ARE EXPECTED TO FLOOD AROUND THE TIME OF HIGH TIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS COASTAL FLOOD WARNING INDICATES THAT MODERATE TIDAL FLOODING IS EXPECTED. BE PREPARED FOR RISING WATER LEVELS AND TAKE APPROPRIATE ACTION TO PROTECT LIFE AND PROPERTY. FOLLOW THE RECOMMENDATIONS OF LOCAL EMERGENCY MANAGEMENT OFFICIALS. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED...LEADING TO COSTLY REPAIR. FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR COUNTY...PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER CASE). && $$ MDZ012-015-019-020-010300- /O.NEW.KPHI.CF.S.0041.110930T2133Z-111001T0300Z/ KENT MD-QUEEN ANNES-TALBOT-CAROLINE- 533 PM EDT FRI SEP 30 2011 * LOCATION...EASTERN SHORE OF CHESAPEAKE BAY * COASTAL FLOODING...SPOTTY MINOR TIDAL FLOODING IS POSSIBLE AROUND THE TIME OF HIGH TIDE. * TIMING...HIGH TIDE AT CAMBRIDGE OCCURS AT 714 PM. HIGH TIDE AT TOLCHESTER BEACH OCCURS AT 1014 PM. * IMPACTS...MINOR IMPACTS ARE POSSIBLE IN THOSE AREA MOST SUSCEPTIBLE TO TIDAL FLOODING. $$
1 follow-up statement
948 WHUS41 KPHI 302221 CFWPHI COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 621 PM EDT FRI SEP 30 2011 MDZ012-015-019-020-010300- /O.CAN.KPHI.CF.S.0041.000000T0000Z-111001T0300Z/ /O.NEW.KPHI.CF.Y.0051.110930T2221Z-111001T0300Z/ KENT MD-QUEEN ANNES-TALBOT-CAROLINE- 621 PM EDT FRI SEP 30 2011 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A COASTAL FLOOD ADVISORY...WHICH IS IN EFFECT UNTIL 11 PM EDT THIS EVENING. * LOCATION...EASTERN SHORE OF CHESAPEAKE BAY * COASTAL FLOODING...MINOR TIDAL FLOODING IS EXPECTED AROUND THE TIME OF HIGH TIDE. * TIMING...HIGH TIDE AT CAMBRIDGE OCCURS AT 714 PM. HIGH TIDE AT TOLCHESTER BEACH OCCURS AT 1014 PM. * IMPACTS...ROADWAY FLOODING IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS ANTICIPATED. MINOR TIDAL FLOODING OFTEN RESULTS IN SOME ROADS CLOSURES. USUALLY...THE MOST VULNERABLE ROADWAYS WILL FLOOD. DO NOT LEAVE YOUR VEHICLE AT A LOCATION THAT IS PRONE TO TIDAL FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED...LEADING TO COSTLY REPAIR. FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR COUNTY PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER CASE). && $$ NJZ015-018-019-PAZ069-071-302330- /O.CON.KPHI.CF.W.0007.000000T0000Z-110930T2300Z/ MERCER-CAMDEN-NORTHWESTERN BURLINGTON-BUCKS-PHILADELPHIA- 621 PM EDT FRI SEP 30 2011 ...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * LOCATION...THE TIDAL DELAWARE RIVER AND TIDAL TRIBUTARIES ON BOTH SIDES OF THE RIVER FROM PHILADELPHIA NORTH. * COASTAL FLOODING...MODERATE TIDAL FLOODING IS FORECAST. * TIMING...HIGH TIDE HAS CRESTED AND IS BEGINNING TO RECEDE. * IMPACTS...ROADS AND LOCATIONS PRONE TO TIDAL FLOODING DURING SIGNIFICANT EVENTS ARE EXPECTED TO FLOOD AROUND THE TIME OF HIGH TIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS COASTAL FLOOD WARNING INDICATES THAT MODERATE TIDAL FLOODING IS EXPECTED. BE PREPARED FOR RISING WATER LEVELS AND TAKE APPROPRIATE ACTION TO PROTECT LIFE AND PROPERTY. FOLLOW THE RECOMMENDATIONS OF LOCAL EMERGENCY MANAGEMENT OFFICIALS. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED...LEADING TO COSTLY REPAIR. FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR COUNTY...PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER CASE). && $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 6:21 PM EDT | Coastal Flood Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 3 hr |
Nearby
Coastal Flood Statements in Maryland, 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.