Alert archive / Maryland / Coastal Flood Statements in 2012

Coastal Flood Statement 16, NWS Philadelphia/Mount Holly

June 12, 20124 counties in Maryland

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jun 12, 2012, 1:18 PM EDT for 4 counties in Maryland. It took effect at Jun 12, 2012, 11:00 PM EDT. It was in force for .

The area

The counties it named.

The facts

Issued: Jun 12, 2012, 1:18 PM EDT (17:18 UTC)
In effect from: Jun 12, 2012, 11:00 PM EDT
Expired: Jun 12, 2012, 7:23 PM EDT
In force
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 17:21 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, 5.3 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 21 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 470 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

143 
WHUS41 KPHI 121718
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
118 PM EDT TUE JUN 12 2012

MDZ012-015-019-020-130900-
/O.NEW.KPHI.CF.S.0016.120613T0300Z-120613T0900Z/
KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
118 PM EDT TUE JUN 12 2012

...HIGH TIDE COULD APPROACH THE MINOR TIDAL FLOODING BENCHMARK
EARLY WEDNESDAY MORNING...

* LOCATION...ALONG THE CHESAPEAKE BAY AND TIDAL SECTIONS OF 
  WATERWAYS THAT EMPTY INTO THE BAY ALONG THE MARYLAND EASTERN 
  SHORE. 

* COASTAL FLOODING...SPOTTY MINOR TIDAL FLOODING IS POSSIBLE
  AROUND THE TIME OF HIGH TIDE EARLY WEDNESDAY MORNING.

* TIMING...HIGH TIDE OCCURS AT CAMBRIDGE AROUND 1230 AM...AND HIGH
  TIDE OCCURS AT TOLCHESTER BEACH AROUND 330 AM WEDNESDAY.

* IMPACTS...LOCATIONS MOST SUSCEPTIBLE TO TIDAL FLOODING COULD SEE
  WATER OF ROADWAYS AROUND THE TIME OF HIGH TIDE.

$$

1 follow-up statement

218 
WHUS41 KPHI 122323
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
723 PM EDT TUE JUN 12 2012

MDZ012-015-019-020-130730-
/O.CAN.KPHI.CF.S.0016.120613T0300Z-120613T0900Z/
/O.NEW.KPHI.CF.Y.0013.120613T0300Z-120613T0900Z/
KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
723 PM EDT TUE JUN 12 2012

...COASTAL FLOOD ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
5 AM EDT WEDNESDAY...

* LOCATION...ALONG THE CHESAPEAKE BAY AND TIDAL SECTIONS OF 
  WATERWAYS THAT EMPTY INTO THE BAY ALONG THE MARYLAND EASTERN 
  SHORE. 

* COASTAL FLOODING...MINOR TIDAL FLOODING IS EXPECTED AROUND THE
  TIME OF HIGH TIDE EARLY WEDNESDAY MORNING.

* TIMING...HIGH TIDE OCCURS AT CAMBRIDGE AROUND 1230 AM...AND 
  HIGH TIDE OCCURS AT TOLCHESTER BEACH AROUND 330 AM WEDNESDAY. 

* IMPACTS....ROADWAY FLOODING IS POSSIBLE AROUND THE TIME OF HIGH
  TIDE.

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).

&&

$$

HAYES

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 12, 7:23 PM EDT	Coastal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	8 hr

Nearby

Coastal Flood Statements in Maryland, 2012 Every coastal flood statement in 2012

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.