St. Marys Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Wind Chill Advisory
Issued: 12:47 PM EST Jan. 20, 2019 – National Weather Service

... Wind Chill Advisory remains in effect from 10 PM this evening
to 11 am EST Monday...

* what... very cold wind chills expected. Wind chills from negative
5 to negative 15 degrees expected.

* Where... the District of Columbia, portions of central and
southern Maryland, and central and northern Virginia.

* When... from 10 PM this evening to 11 am EST Monday. The lowest
wind chills will occur Monday morning.

* Additional details... the cold wind chills could result in
hypothermia and frostbite if precautions are not taken.

Precautionary/preparedness actions...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.




Coastal Flood Advisory
Issued: 12:04 PM EST Jan. 20, 2019 – National Weather Service

... Coastal flood advisory remains in effect until 4 PM EST this
afternoon...

* locations... shoreline in St. Marys County.

* Tidal departure... 1.5 to 2 feet above normal.

* Timing... around the time of high tide. The next high tide will
be at 12:38 PM at Point Lookout, 1:18 PM at Piney Point, and
1:54 PM at Coltons Point.

* Impacts... water is expected to go over a portion of The
Bulkhead near The Straits Point Bridge, and also cover yards
in the St Georges creek and St Marys River areas. Minor
shoreline inundation up to one foot above ground is possible
elsewhere.

Precautionary/preparedness actions...

A coastal flood advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.


Forecast tides are referenced to mean lower low water
(mllw) and mean higher high water (mhhw) unless
otherwise noted. Time of high total tide is
approximate to nearest hour. Total tide combines the
normal tide and departure from normal. Flood impact
is based on the total tide and waves where applicable.

Straits Point MD
MLLW categories - minor 3.0 ft, moderate 3.5 ft, major 5.0 ft
mhhw categories - minor 1.4 ft, moderate 1.9 ft, major 3.4 ft

             total total departure
day/time tide tide from norm waves flood
            ft MLLW ft mhhw ft ft impact
-------- --------- --------- --------- ------- --------
20/01 PM 3.3 1.7 1.8 2.0 minor
21/02 am 1.4 -0.2 0.1 2.0 none
21/02 PM 1.3 -0.3 -0.2 2.0 none
22/02 am 0.9 -0.7 -0.4 1.0 none
22/03 PM 1.6 -0.0 0.1 0.5 none
23/04 am 1.8 0.2 0.4 1.0 none



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Wind Advisory
Issued: 12:32 PM EST Jan. 20, 2019 – National Weather Service

... Wind Advisory remains in effect until 7 PM EST this evening...

* timing... through this evening.

* Winds... northwest 20 to 30 mph with gusts up to 50 mph.

* Impacts... strong winds may blow down limbs, trees, and power
lines. Scattered power outages are expected.

Precautionary/preparedness actions...

A Wind Advisory means that winds of 45 to 55 mph are expected.
Winds this strong can make driving difficult, especially for high
profile vehicles.




Coastal Flood Advisory
Issued: 12:04 PM EST Jan. 20, 2019 – National Weather Service

... Coastal flood advisory remains in effect until 4 PM EST this
afternoon...

* locations... shoreline in St. Marys County.

* Tidal departure... 1.5 to 2 feet above normal.

* Timing... around the time of high tide. The next high tide will
be at 12:38 PM at Point Lookout, 1:18 PM at Piney Point, and
1:54 PM at Coltons Point.

* Impacts... water is expected to go over a portion of The
Bulkhead near The Straits Point Bridge, and also cover yards
in the St Georges creek and St Marys River areas. Minor
shoreline inundation up to one foot above ground is possible
elsewhere.

Precautionary/preparedness actions...

A coastal flood advisory indicates that onshore winds and tides
will combine to generate flooding of low areas along the shore.


Forecast tides are referenced to mean lower low water
(mllw) and mean higher high water (mhhw) unless
otherwise noted. Time of high total tide is
approximate to nearest hour. Total tide combines the
normal tide and departure from normal. Flood impact
is based on the total tide and waves where applicable.

Straits Point MD
MLLW categories - minor 3.0 ft, moderate 3.5 ft, major 5.0 ft
mhhw categories - minor 1.4 ft, moderate 1.9 ft, major 3.4 ft

             total total departure
day/time tide tide from norm waves flood
            ft MLLW ft mhhw ft ft impact
-------- --------- --------- --------- ------- --------
20/01 PM 3.3 1.7 1.8 2.0 minor
21/02 am 1.4 -0.2 0.1 2.0 none
21/02 PM 1.3 -0.3 -0.2 2.0 none
22/02 am 0.9 -0.7 -0.4 1.0 none
22/03 PM 1.6 -0.0 0.1 0.5 none
23/04 am 1.8 0.2 0.4 1.0 none



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