Alert archive / Maryland / Coastal Flood Statements in 2011
Coastal Flood Statement 40, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this coastal flood statement at Sep 29, 2011, 3:34 AM EDT for Caroline County, Talbot County, Maryland. It took effect at Sep 29, 2011, 5:00 AM EDT. It was in force for 89 min.
The area
The counties it named.
The facts
- Issued
- Sep 29, 2011, 3:34 AM EDT (07:34 UTC)
- In effect from
- Sep 29, 2011, 5:00 AM EDT
- Expired
- Sep 29, 2011, 6:29 AM EDT
- In force
- 89 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 49 km from the middle of the area, began a volume at 07:37 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 00:00Z, 7.6 hours before the alert went out and 111 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
- 831 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 760 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
544 WHUS41 KPHI 290734 CFWPHI COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 334 AM EDT THU SEP 29 2011 DEZ002>004-NJZ012>014-020>027-291600- /O.NEW.KPHI.CF.Y.0048.110929T1200Z-110929T1600Z/ KENT-INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH- EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- 334 AM EDT THU SEP 29 2011 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO NOON EDT TODAY... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A COASTAL FLOOD ADVISORY...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO NOON EDT TODAY. * LOCATION...THE COASTAL AREAS OF DELAWARE AND NEW JERSEY INCLUDING THE BACK BAYS. THE LOWER DELAWARE BAY. * COASTAL FLOODING...WIDESPREAD MINOR COASTAL FLOODING WILL OCCUR WITHIN AN HOUR OF THIS MORNINGS HIGH TIDE. * TIMING...NEXT HIGH TIDE AT SANDY HOOK NJ AND ATLANTIC CITY NJ IS AROUND 930 AM. THE BACK BAYS AND THE LOWER DELAWARE RIVER WILL BE CLOSER TO 1030 AM. * IMPACTS...VULNERABLE ROADWAYS WILL FLOOD WITH THE LATE MORNING HIGH TIDE CYCLE. 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). && $$ DEZ001-NJZ015>019-PAZ069>071-291000- /O.CON.KPHI.CF.Y.0047.000000T0000Z-110929T1000Z/ NEW CASTLE-MERCER-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- BUCKS-DELAWARE-PHILADELPHIA- 334 AM EDT THU SEP 29 2011 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... * LOCATION...THE TIDAL DELAWARE RIVER * COASTAL FLOODING...MINOR TIDAL FLOODING IS OCCURRING WITH THE PREDAWN HIGH TIDE CYCLE NEAR PHILADELPHIA THOUGH TIDES ARE BEGINNING TO RECEDE FURTHER SOUTH ALONG SALEM AND NEW CASTLE COUNTIES. ANOTHER WIDESPREAD MINOR FLOOD EPISODE WILL OCCUR THIS AFTERNOON AND AN ADVISORY WILL BE ISSUED AFTER 6 AM. * TIMING...HIGH TIDE ON THE DELAWARE RIVER AT PHILADELPHIA OCCURRED AT 314 AM TODAY. * IMPACTS...LOCALIZED ROADWAY FLOODING WILL OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS ANTICIPATED. MINOR TIDAL FLOODING OFTEN RESULTS IN SOME ROADS CLOSURES. USUALLY...THE MOST VULNERABLE ROADWAYS WILL FLOOD. DO NOT LEAVE YOUR VEHICLE AT A LOCATION THAT IS PRONE TO TIDAL FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED...LEADING TO COSTLY REPAIR. FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR COUNTY PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER CASE). && $$ MDZ019-020-291600- /O.NEW.KPHI.CF.S.0040.110929T0900Z-110930T1300Z/ TALBOT-CAROLINE- 334 AM EDT THU SEP 29 2011 * LOCATION...TALBOT AND CAROLINE COUNTIES ALONG MARYLAND'S EASTERN SHORE. * COASTAL FLOODING...SPOTTY MINOR FLOODING WITHIN 30 MINUTES OF THE MORNING HIGH TIDE. * TIMING...HIGH TIDE AT CAMBRIDGE IS AROUND 530 AM WITH HIGH TIDE ON THE CHOPTANK RIVER AT DENTON AROUND 830 AM. $$ DRAG
1 follow-up statement
211 WHUS41 KPHI 291029 CFWPHI COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 629 AM EDT THU SEP 29 2011 DEZ001-NJZ016>019-PAZ070-071-291830- /O.EXP.KPHI.CF.Y.0047.000000T0000Z-110929T1000Z/ /O.EXB.KPHI.CF.Y.0048.110929T1600Z-110929T2200Z/ NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- DELAWARE-PHILADELPHIA- 629 AM EDT THU SEP 29 2011 ...COASTAL FLOOD ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING... ...COASTAL FLOOD ADVISORY HAS EXPIRED... THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A COASTAL FLOOD ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING. * COASTAL FLOODING...WIDESPREAD MINOR TIDAL FLOODING WILL OCCUR THIS AFTERNOON AND THIS ADVISORY REPLACES THE JUST EXPIRED EARLY MORNING ADVISORY FOR THIS REGION. * TIMING...HIGH TIDE ON THE DELAWARE RIVER AT REEDY POINT OCCURS AT 103 PM TODAY AND IN PHILADELPHIA AROUND 350 PM. * IMPACTS...ROADWAY FLOODING WILL OCCUR. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS ANTICIPATED. MINOR TIDAL FLOODING OFTEN RESULTS IN SOME ROADS CLOSURES. USUALLY...THE MOST VULNERABLE ROADWAYS WILL FLOOD. DO NOT LEAVE YOUR VEHICLE AT A LOCATION THAT IS PRONE TO TIDAL FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED...LEADING TO COSTLY REPAIR. FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR COUNTY PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER CASE). && $$ NJZ015-PAZ069-291130- /O.EXP.KPHI.CF.Y.0047.000000T0000Z-110929T1000Z/ MERCER-BUCKS- 629 AM EDT THU SEP 29 2011 ...COASTAL FLOOD ADVISORY HAS BEEN DISCONTINUED... $$ MDZ019-020-291130- /O.CAN.KPHI.CF.S.0040.000000T0000Z-110930T1300Z/ TALBOT-CAROLINE- 629 AM EDT THU SEP 29 2011 * LOCATION...TALBOT AND CAROLINE COUNTIES ALONG MARYLAND'S EASTERN SHORE. * COASTAL FLOODING...SPOTTY MINOR FLOODING PROBABLY WONT OCCUR THIS MORNING. $$ DEZ002>004-NJZ012>014-020>027-291600- /O.CON.KPHI.CF.Y.0048.110929T1200Z-110929T1600Z/ KENT-INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH- EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN- SOUTHEASTERN BURLINGTON- 629 AM EDT THU SEP 29 2011 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL NOON EDT TODAY... * LOCATION...THE COASTAL AREAS OF DELAWARE AND NEW JERSEY INCLUDING THE BACK BAYS. THE LOWER DELAWARE BAY. * COASTAL FLOODING...WIDESPREAD MINOR COASTAL FLOODING WILL OCCUR WITHIN AN HOUR OF THIS MORNINGS HIGH TIDE. * TIMING...NEXT HIGH TIDE AT SANDY HOOK NJ AND ATLANTIC CITY NJ IS AROUND 930 AM. THE BACK BAYS AND THE LOWER DELAWARE RIVER WILL BE CLOSER TO 1030 AM. * IMPACTS...VULNERABLE ROADWAYS WILL FLOOD WITH THE LATE MORNING HIGH TIDE CYCLE. 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). && $$ DRAG
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.