Alert archive / Maryland / Coastal Flood Statements in 2011
Coastal Flood Statement 20, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this coastal flood statement at May 18, 2011, 4:01 PM EDT for Kent County, Queen Anne's County, Talbot County, Maryland. It took effect at May 19, 2011, 5:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- May 18, 2011, 4:01 PM EDT (20:01 UTC)
- In effect from
- May 19, 2011, 5:00 AM EDT
- Expired
- May 18, 2011, 9:10 PM EDT
- In force
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 62 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
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.0 hours before the alert went out and 51 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
- 79 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
982 WHUS41 KPHI 182001 CFWPHI URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 401 PM EDT WED MAY 18 2011 DEZ002>004-NJZ012>014-020>027-190415- /O.CON.KPHI.CF.Y.0020.110519T0000Z-110519T0500Z/ 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- 401 PM EDT WED MAY 18 2011 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 1 AM EDT THURSDAY... A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 1 AM EDT THURSDAY. * AREAS AFFECTED...COASTAL AREAS OF NEW JERSEY AND DELAWARE AND ALONG DELAWARE BAY. * COASTAL FLOODING...MINOR FLOODING IS ANTICIPATED AROUND THE TIME OF THIS EVENING'S HIGH TIDE. * TIMING...HIGH TIDE ON THE NEW JERSEY AND DELAWARE OCEANFRONT OCCURS BETWEEN 830 PM AND 1000 PM. HIGH TIDE ON THE BACK BAYS... ALONG DELAWARE BAY AND ALONG RARITAN BAY OCCURS LATER THAN THE HIGH TIDE ON THE OCEANFRONT. * SEAS...3 TO 5 FOOT. * IMPACTS...LOCALIZED ROADWAY FLOODING IS ANTICIPATED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS EXPECTED. MINOR TIDAL FLOODING OFTEN RESULTS IN ROADWAY FLOODING. 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 REPAIRS. 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). && $$ DEZ001-NJZ016>019-PAZ070-071-190415- /O.CON.KPHI.CF.Y.0020.110519T0300Z-110519T0800Z/ NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- DELAWARE-PHILADELPHIA- 401 PM EDT WED MAY 18 2011 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 4 AM EDT THURSDAY... A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 4 AM EDT THURSDAY. * AREAS AFFECTED...THE TIDAL PORTION OF THE DELAWARE RIVER AND ITS TIDAL TRIBUTARIES. * COASTAL FLOODING...MINOR FLOODING IS ANTICIPATED AROUND THE TIME OF TONIGHT'S HIGH TIDE. * TIMING...HIGH TIDE ON THE LOWER DELAWARE RIVER WORKS ITS WAY UP RIVER BETWEEN ABOUT 1130 PM AND 330 AM. * IMPACTS...LOCALIZED ROADWAY FLOODING IS ANTICIPATED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS EXPECTED. MINOR TIDAL FLOODING OFTEN RESULTS IN ROADWAY FLOODING. DO NOT LEAVE YOUR VEHICLE AT A LOCATION THAT IS PRONE TO TIDAL FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED... LEADING TO COSTLY REPAIRS. FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR COUNTY PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER CASE). && $$ MDZ012-015-019-190415- /O.NEW.KPHI.CF.S.0020.110519T0900Z-110519T1500Z/ KENT MD-QUEEN ANNES-TALBOT- 401 PM EDT WED MAY 18 2011 ...MARGINAL COASTAL FLOODING MAY OCCUR ALONG PORTIONS OF MARYLAND'S UPPER EASTERN SHORE BETWEEN 5 AM AND 11 AM EDT THURSDAY... * AREAS AFFECTED...THE UPPER EASTERN SHORE OF CHESAPEAKE BAY...MAINLY THE CAMBRIDGE TO TOLCHESTER BEACH SECTION. * TIDES MAY BRIEFLY EXCEED THE MINOR TIDAL INUNDATION THRESHOLD FOR AN HOUR OR SO THURSDAY MORNING. * TIMING...HIGH TIDE WORKS ITS WAY UP THE UPPER EASTERN SHORE OF CHESAPEAKE BAY ROUGHLY BETWEEN ABOUT 530 AM AND 930 AM. * IMPACTS...LOCALIZED ROADWAY FLOODING MAY OCCUR. * IF IT BECOMES MORE CERTAIN THAT TIDAL FLOODING WILL OCCUR EARLY THURSDAY...THEN THIS STATEMENT WOULD BE UPGRADED TO AN ADVISORY. $$ DRAG
1 follow-up statement
446 WHUS41 KPHI 190110 CFWPHI URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 910 PM EDT WED MAY 18 2011 MDZ012-015-019-191000- /O.CAN.KPHI.CF.S.0020.110519T0900Z-110519T1500Z/ /O.NEW.KPHI.CF.Y.0021.110519T0900Z-110519T1500Z/ KENT MD-QUEEN ANNES-TALBOT- 910 PM EDT WED MAY 18 2011 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 AM TO 11 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE HAS ISSUED A COASTAL FLOOD ADVISORY. IT IS IN EFFECT FROM 500 AM UNTIL 1100 AM THURSDAY. * AREAS AFFECTED...THE UPPER EASTERN SHORE OF CHESAPEAKE BAY. * COASTAL FLOODING...MINOR FLOODING IS ANTICIPATED AROUND THE TIME OF THURSDAY MORNING'S HIGH TIDE. * TIMING...HIGH TIDE WORKS ITS WAY UP THE UPPER EASTERN SHORE OF CHESAPEAKE BAY BETWEEN ABOUT 600 AM AND 1100 AM THURSDAY. * IMPACTS...LOCALIZED ROADWAY FLOODING IS ANTICIPATED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS EXPECTED. MINOR TIDAL FLOODING OFTEN RESULTS IN ROADWAY FLOODING. DO NOT LEAVE YOUR VEHICLE AT A LOCATION THAT IS PRONE TO TIDAL FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED, LEADING TO COSTLY REPAIRS. FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR COUNTY PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER CASE). && $$ MDZ008-020-191000- /O.NEW.KPHI.CF.Y.0021.110519T0900Z-110519T1500Z/ CECIL-CAROLINE- 910 PM EDT WED MAY 18 2011 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 5 AM TO 11 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE HAS ISSUED A COASTAL FLOOD ADVISORY. IT IS IN EFFECT FROM 500 AM UNTIL 1100 AM THURSDAY. * AREAS AFFECTED...THE UPPER EASTERN SHORE OF CHESAPEAKE BAY. * COASTAL FLOODING...MINOR FLOODING IS ANTICIPATED AROUND THE TIME OF THURSDAY MORNING'S HIGH TIDE. * TIMING...HIGH TIDE WORKS ITS WAY UP THE UPPER EASTERN SHORE OF CHESAPEAKE BAY BETWEEN ABOUT 600 AM AND 1100 AM THURSDAY. * IMPACTS...LOCALIZED ROADWAY FLOODING IS ANTICIPATED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS EXPECTED. MINOR TIDAL FLOODING OFTEN RESULTS IN ROADWAY FLOODING. 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 REPAIRS. 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). && $$ DEZ001-NJZ016>019-PAZ070-071-190900- /O.EXT.KPHI.CF.Y.0020.110519T0300Z-110519T0900Z/ NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON- DELAWARE-PHILADELPHIA- 910 PM EDT WED MAY 18 2011 ...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 5 AM EDT THURSDAY... THE COASTAL FLOOD ADVISORY IS NOW IN EFFECT UNTIL 500 AM THURSDAY. * AREAS AFFECTED...THE TIDAL PORTION OF THE DELAWARE RIVER AND ITS TIDAL TRIBUTARIES. * COASTAL FLOODING...MINOR FLOODING IS ANTICIPATED AROUND THE TIME OF TONIGHT'S HIGH TIDE. * TIMING...HIGH TIDE ON THE LOWER DELAWARE RIVER WORKS ITS WAY UP RIVER BETWEEN ABOUT 1230 AM AND 430 AM THURSDAY. * IMPACTS...LOCALIZED ROADWAY FLOODING IS ANTICIPATED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS EXPECTED. MINOR TIDAL FLOODING OFTEN RESULTS IN ROADWAY FLOODING. DO NOT LEAVE YOUR VEHICLE AT A LOCATION THAT IS PRONE TO TIDAL FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOUR VEHICLE MAY BE DAMAGED, LEADING TO COSTLY REPAIRS. FOR A LIST OF THE IMPACT OF DIFFERENT TIDE HEIGHTS IN YOUR COUNTY PLEASE GO TO WWW.WEATHER.GOV/PHI/TIDES.HTM (ALL IN LOWER CASE). && $$ DEZ002>004-NJZ012>014-020>027-190500- /O.CON.KPHI.CF.Y.0020.000000T0000Z-110519T0500Z/ 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- 910 PM EDT WED MAY 18 2011 ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT THURSDAY... A COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 100 AM THURSDAY. * AREAS AFFECTED...COASTAL AREAS OF NEW JERSEY AND DELAWARE AND ALONG DELAWARE BAY. * COASTAL FLOODING...MINOR FLOODING IS ANTICIPATED AROUND THE TIME OF THIS EVENING'S HIGH TIDE. * TIMING...HIGH TIDE ON THE NEW JERSEY AND DELAWARE OCEANFRONT OCCURS BETWEEN 900 PM AND 1000 PM. HIGH TIDE ON THE BACKS BAYS, ALONG DELAWARE BAY AND ALONG RARITAN BAY OCCURS LATER THAN THE HIGH TIDE ON THE OCEANFRONT. * SEAS...4 TO 7 FEET ON THE OCEAN WATERS. * IMPACTS...LOCALIZED ROADWAY FLOODING IS ANTICIPATED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD ADVISORY INDICATES THAT MINOR TIDAL FLOODING IS EXPECTED. MINOR TIDAL FLOODING OFTEN RESULTS IN ROADWAY FLOODING. 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 REPAIRS. 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). && $$ IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 2:29 PM EDT | Special Weather Statement | PHI | Talbot | 61 min |
| May 18, 2:39 PM EDT | Tornado Warning | PHI | Queen Anne's, Talbot | 51 min |
| May 18, 3:22 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 47 min |
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.