Coastal flood warning
From Wikipedia, the free encyclopedia
A Coastal Flood Warning is issued by the National Weather Service of the United States when coastal flooding is either imminent or occurring along the coast of the Atlantic Ocean, Pacific Ocean, or the Gulf of Mexico. The flooding must be due to water being forced from the nearby body of water onto the land, and not from rainfall. Nor'easters, hurricanes, tropical storms, and thunderstorms can all lead to the issuance of a Coastal Flood Warning.[1]
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[edit] Example
The following is an example of a Coastal Flood Warning issued by the National Weather Service office in Taunton, Massachusetts.[2]
613 WHUS41 KBOX 262050 CFWBOX URGENT - IMMEDIATE BROADCAST REQUESTED COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE TAUNTON MA 350 PM EST WED JAN 26 2011 ...POCKETS OF LOW END MODERATE COASTAL FLOODING POSSIBLE DURING THE EARLY THURSDAY MORNING HIGH TIDE CYCLE... MAZ007-015-016-019-022-270500- /O.UPG.KBOX.CF.A.0001.110127T0600Z-110127T1300Z/ /O.NEW.KBOX.CF.W.0001.110127T0600Z-110127T1300Z/ EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA- EASTERN PLYMOUTH MA-BARNSTABLE MA- 350 PM EST WED JAN 26 2011 ...COASTAL FLOOD WARNING IN EFFECT FROM 1 AM TO 8 AM EST THURSDAY... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A COASTAL FLOOD WARNING...WHICH IS IN EFFECT FROM 1 AM TO 8 AM EST THURSDAY. THE COASTAL FLOOD WATCH IS NO LONGER IN EFFECT. STRONG NORTHEAST WINDS WILL CAUSE SEAS TO BUILD RAPIDLY TONIGHT. THIS IS EXPECTED TO RESULT IN A STORM SURGE OF 2.0 TO 2.5 FEET AROUND THE TIME OF HIGH TIDE EARLY THURSDAY MORNING. THIS WILL RESULT IN MINOR COASTAL FLOODING...WITH THE POSSIBILITY OF LOW END MODERATE COASTAL FLOODING IN A FEW LOCATIONS. THERE IS ALSO THE POTENTIAL FOR BEACH EROSION...ESPECIALLY ALONG OUTER CAPE COD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A COASTAL FLOOD WATCH MEANS THAT THE POTENTIAL EXISTS FOR MODERATE COASTAL FLOODING. MODERATE COASTAL FLOODING PRODUCES WIDESPREAD FLOODING OF VULNERABLE SHORE ROADS AND/OR BASEMENTS DUE TO THE HEIGHT OF STORM TIDE AND/OR WAVE ACTION. SOME ROAD CLOSURES MAY BE NEEDED. && ALL TIDE HEIGHTS ARE RELATIVE TO MEAN LOWER LOW WATER. TIME OF HIGH TOTAL TIDES ARE APPROXIMATE TO THE NEAREST HOUR. BOSTON HARBOR TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 9.5 26/04 PM 9.4 0.1 1-2 NONE 11.7 27/05 AM 10.4 1.3 2-3 NONE 9.0 27/06 PM 8.9 0.1 1 NONE 10.3 28/06 AM 10.2 0.1 1 NONE 8.7 29/07 PM 8.6 0.1 1 NONE 10.3 29/07 AM 10.1 0.2 1 NONE NEWBURYPORT TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 7.9 26/05 PM 7.8 0.1 1-4 NONE 9.6 27/05 AM 8.5 1.1 8 NONE 7.6 27/06 PM 7.4 0.2 4-6 NONE 8.4 28/06 AM 8.3 0.1 2-3 NONE 7.3 29/07 PM 7.2 0.1 1 NONE 8.4 29/07 AM 8.2 0.2 1 NONE GLOUCESTER HARBOR TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 8.7 26/04 PM 8.6 0.1 2-4 NONE 10.8 27/05 AM 9.6 1.2 9-10 NONE 8.4 27/06 PM 8.2 0.2 5-7 NONE 9.5 28/06 AM 9.4 0.1 3-4 NONE 8.1 29/07 PM 8.0 0.1 2 NONE 9.5 29/07 AM 9.3 0.2 2 NONE REVERE TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 9.0 26/04 PM 8.9 0.1 3 NONE 11.2 27/05 AM 9.9 1.3 7-8 NONE 8.6 27/06 PM 8.5 0.1 4-6 NONE 9.8 28/06 AM 9.7 0.1 2-3 NONE 8.3 29/07 PM 8.2 0.1 2 NONE 9.8 29/07 AM 9.6 0.2 1 NONE SANDWICH HARBOR TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 9.3 26/05 PM 9.0 0.3 2-3 NONE 11.3 27/05 AM 10.0 1.3 7-9 MINOR 8.8 27/06 PM 8.6 0.2 3-4 NONE 9.9 28/06 AM 9.8 0.1 2-3 NONE 8.4 29/07 PM 8.3 0.1 1-2 NONE 9.8 29/07 AM 9.7 0.1 1 NONE PROVINCETOWN HARBOR TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 9.2 26/05 PM 9.0 0.2 1-3 NONE 11.3 27/05 AM 9.9 1.4 5-6 NONE 8.7 27/06 PM 8.5 0.2 3-4 NONE 9.8 28/06 AM 9.7 0.1 2-3 NONE 8.3 29/07 PM 8.2 0.1 1 NONE 9.7 29/07 AM 9.5 0.2 1-2 NONE CHATHAM - EAST COAST TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 6.8 26/05 PM 6.6 0.2 3-5 NONE 8.6 27/05 AM 7.2 1.4 12-13 MINOR 6.4 27/06 PM 6.2 0.2 6-8 NONE 7.0 28/06 AM 7.0 0.0 3-4 NONE 6.1 29/07 PM 6.0 0.1 1-2 NONE 7.2 29/08 AM 7.0 0.2 1-2 NONE CHATHAM - SOUTH COAST TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 6.1 26/05 PM 5.8 0.3 2 NONE 7.6 27/05 AM 6.3 1.3 4 NONE 5.6 27/06 PM 5.5 0.1 2 NONE 6.2 28/07 AM 6.2 0.0 1 NONE 5.4 29/07 PM 5.3 0.1 1 NONE 6.3 29/07 AM 6.1 0.2 1 NONE BUZZARDS BAY - WOODS HOLE TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 1.1 26/03 PM 1.0 0.1 2 NONE 3.1 27/02 AM 2.1 1.0 3 NONE 1.9 27/02 PM 1.3 0.6 2 NONE 1.8 28/03 AM 2.0 -0.2 1 NONE 1.2 28/03 PM 1.2 0.0 1-2 NONE 2.1 29/04 AM 2.0 0.1 1 NONE SCITUATE TOTAL ASTRO TIDE DAY/TIME TIDE SURGE WAVES FLOOD /FT/ /FT/ /FT/ /FT/ CATEGORY ------- ---------- ------- ------- ------- ---------- 9.0 26/04 PM 8.9 0.1 3-4 NONE 11.2 27/05 AM 9.9 1.3 9-10 MINOR 8.5 27/06 PM 8.4 0.1 5-7 NONE 9.8 28/06 AM 9.7 0.1 3-4 NONE 8.3 29/07 PM 8.2 0.1 2 NONE 9.8 29/07 AM 9.6 0.2 2 NONE $$
[edit] See also
[edit] References
- ^ National Weather Service. "Coastal Flood Warning". Glossary - JetStream - Online School for Weather. http://www.srh.noaa.gov/jetstream//append/glossary_c.htm#cfwarning. Retrieved 17 May 2011.
- ^ National Weather Service. "Coastal Flood Warning". Iowa Environmental Mesonet NWS Product Archive. http://mesonet.agron.iastate.edu/vtec/2011-O-NEW-KBOX-CF-S-0004.html#2011-O-NEW-KBOX-CF-W-0001. Retrieved 17 May 2011.
[edit] External links
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