Coastal flood advisory
A coastal flood advisory is issued by the National Weather Service of the United States when coastal flooding along the coast of the Atlantic Ocean, Pacific Ocean, or the Gulf of Mexico is occurring or imminent, but does not pose a serious threat to lives or property, but rather will simply pose a nuisance to people in the affected area. The flooding must be due to water being forced from the nearby body of water onto land, and not from rainfall. Nor'easters, hurricanes, tropical storms, and thunderstorms can all lead to the issuance of a coastal flood advisory.[1]
Example
The following is an example of a coastal flood advisory issued by the National Weather Service office in Taunton, Massachusetts.[2]
785
WHUS41 KBOX 262051
CFWBOX
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TAUNTON MA
351 PM EST WED DEC 26 2012
...MINOR COASTAL FLOODING IS POSSIBLE ALONG THE EASTERN
MASSACHUSETTS COAST DURING THE MID MORNING HIGH TIDE...
MAZ007-015-016-019-022-024-270500-
/O.NEW.KBOX.CF.Y.0015.121227T1300Z-121227T1700Z/
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
EASTERN PLYMOUTH MA-BARNSTABLE MA-NANTUCKET MA-
351 PM EST WED DEC 26 2012
...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 AM TO NOON EST
THURSDAY...
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO NOON EST
THURSDAY.
* LOCATION...EAST FACING BEACHES.
* COASTAL FLOODING...EXPECT SPLASHOVER WITH SOME MINOR COASTAL
FLOODING.
* TIMING...DURING MID MORNING HIGH TIDE.
* IMPACTS...MINOR COASTAL FLOODING AND SPLASHOVER IS POSSIBLE AT
TYPICALLY PRONE LOCATIONS. THIS INCLUDES PORTIONS OF SCITUATE
AND COHASSET AS WELL AS MORRISSEY BOULEVARD IN BOSTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A COASTAL FLOOD ADVISORY IS ISSUED FOR MINOR COASTAL FLOODING OF
THE MOST VULNERABLE SHORE ROADS AND/OR BASEMENTS DUE TO THE
HEIGHT OF STORM TIDE OR WAVE SPLASHOVER. THE MAJORITY OF ROADS
REMAIN PASSABLE WITH ONLY ISOLATED CLOSURES. THERE IS NO
SIGNIFICANT THREAT TO LIFE AND ANY IMPACT ON PROPERTY IS MINIMAL.
&&
&&
ALL TIDE HEIGHTS ARE RELATIVE TO MEAN LOWER LOW WATER.
TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR.
NEWBURYPORT
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
7.9 26/11 PM 7.3 0.6 3-6 NONE
9.2 27/11 AM 8.4 0.8 11-12 NONE
7.8 27/11 PM 7.4 0.4 7-8 NONE
8.8 28/11 AM 8.5 0.3 3-4 NONE
7.8 29/12 AM 7.5 0.3 2 NONE
8.8 29/12 PM 8.5 0.3 1 NONE
GLOUCESTER HARBOR
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
8.7 26/10 PM 8.0 0.7 4-7 NONE
10.4 27/10 AM 9.1 1.3 14-15 NONE
8.6 27/11 PM 8.1 0.5 8-9 NONE
9.6 28/11 AM 9.3 0.3 4-5 NONE
8.4 28/11 PM 8.1 0.3 2 NONE
9.5 29/12 PM 9.2 0.3 1 NONE
REVERE
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
8.9 26/10 PM 8.4 0.5 3-5 NONE
10.4 27/10 AM 9.6 0.8 8-10 NONE
9.0 27/11 PM 8.6 0.4 5-6 NONE
10.1 28/11 AM 9.8 0.3 3-4 NONE
8.9 29/12 AM 8.6 0.3 2 NONE
10.1 29/12 PM 9.8 0.3 1 NONE
BOSTON HARBOR
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
9.0 26/10 PM 8.4 0.6 3 NONE
10.4 27/10 AM 9.6 0.8 3 NONE
8.9 27/11 PM 8.5 0.4 3 NONE
10.1 28/11 AM 9.8 0.3 3 NONE
8.9 29/12 AM 8.6 0.3 2 NONE
10.1 29/12 PM 9.8 0.3 1 NONE
SCITUATE
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
8.9 26/10 PM 8.2 0.7 4-7 NONE
10.6 27/10 AM 9.4 1.2 10-12 MINOR
8.9 27/11 PM 8.4 0.5 7-8 NONE
9.9 28/11 AM 9.6 0.3 4-5 NONE
8.7 29/12 AM 8.4 0.3 2 NONE
9.9 29/12 PM 9.6 0.3 1 NONE
SANDWICH HARBOR
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
8.8 26/10 PM 8.0 0.8 3-6 NONE
10.9 27/10 AM 9.2 1.7 3-4 NONE
8.7 27/11 PM 8.2 0.5 3-5 NONE
9.7 28/11 AM 9.4 0.3 3-4 NONE
8.6 29/12 AM 8.3 0.3 2 NONE
9.8 29/12 PM 9.5 0.3 1 NONE
PROVINCETOWN HARBOR
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
8.6 26/10 PM 8.1 0.5 3-5 NONE
10.5 27/11 AM 9.4 1.1 5-7 NONE
8.8 27/11 PM 8.3 0.5 4-6 NONE
9.9 28/11 AM 9.6 0.3 4 NONE
8.8 29/12 AM 8.5 0.3 2 NONE
9.9 29/12 PM 9.6 0.3 1 NONE
CHATHAM - EAST COAST
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
6.6 26/11 PM 5.4 1.2 5-9 NONE
8.2 27/11 AM 6.3 1.9 9-10 NONE
5.9 27/11 PM 5.4 0.5 8-9 NONE
6.5 28/11 AM 6.2 0.3 5 NONE
5.9 29/12 AM 5.6 0.3 3 NONE
6.6 29/12 PM 6.3 0.3 2 NONE
CHATHAM - SOUTH COAST
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
6.2 26/11 PM 5.3 0.9 4-7 NONE
7.3 27/11 AM 6.2 1.1 4-6 NONE
5.7 28/12 AM 5.4 0.3 5 NONE
6.5 28/12 PM 6.2 0.3 3 NONE
5.8 29/12 AM 5.5 0.3 2 NONE
6.5 29/12 PM 6.2 0.3 1 NONE
BUZZARDS BAY - WOODS HOLE
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
1.9 27/07 PM 1.4 0.5 2-4 NONE
3.2 27/07 AM 2.1 1.1 3-5 NONE
1.9 28/07 PM 1.5 0.4 3 NONE
2.4 28/08 AM 2.1 0.3 3 NONE
1.9 28/08 PM 1.6 0.3 1-2 NONE
2.4 29/09 AM 2.1 0.3 1 NONE
NANTUCKET HARBOR
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
3.4 26/11 PM 2.5 0.9 4-7 NONE
5.0 27/11 AM 3.4 1.6 4-5 MINOR
2.8 28/12 AM 2.5 0.3 5 NONE
3.7 28/12 PM 3.4 0.3 3-4 NONE
2.9 29/01 AM 2.6 0.3 1-2 NONE
3.7 29/12 PM 3.4 0.3 1 NONE
NANTUCKET EAST COAST
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
3.5 26/11 PM 2.7 0.8 5-9 NONE
4.7 27/11 AM 3.7 1.0 9 NONE
3.0 28/12 AM 2.7 0.3 8-9 NONE
3.9 28/11 AM 3.6 0.3 5-6 NONE
3.0 29/12 AM 2.7 0.3 3 NONE
3.9 29/12 PM 3.6 0.3 2 NONE
NANTUCKET SOUTH COAST
TOTAL ASTRO
TIDE DAY/TIME TIDE SURGE WAVES FLOOD
/FT/ /FT/ /FT/ /FT/ CATEGORY
------- ---------- ------- ------- ------- ----------
3.5 26/11 PM 2.5 1.0 6-10 NONE
4.5 27/11 AM 3.4 1.1 9 NONE
2.8 28/12 AM 2.5 0.3 9-10 NONE
3.7 28/12 PM 3.4 0.3 5-6 NONE
2.8 29/12 AM 2.5 0.3 3 NONE
3.7 29/12 PM 3.4 0.3 2 NONE
$$
References
- Baltimore/Washington National Weather Service Forecast Office. "Coastal Flood Advisory". erh.noaa.gov. Retrieved 17 May 2011.
- National Weather Service. "Coastal Flood Advisory". Iowa Environmental Mesonet NWS Product Archive. Retrieved 17 May 2011.
External links
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