Local Statement for Cristobal (Mobile, AL / Pensacola, FL)



000
WTUS84 KMOB 060953
HLSMOB
ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-061800-

Tropical Storm Cristobal Local Statement Advisory Number 19
National Weather Service Mobile AL  AL032020
453 AM CDT Sat Jun 6 2020

This product covers portions of southwest Alabama...northwest Florida...south 
central Alabama...and inland southeast Mississippi.

CRISTOBAL CONTINUES MOVING NORTHWARD ACROSS THE SOUTHERN AND 
CENTRAL GULF OF MEXICO

NEW INFORMATION
---------------

* CHANGES TO WATCHES AND WARNINGS:
    - None

* CURRENT WATCHES AND WARNINGS:
    - A Tropical Storm Warning is in effect for Baldwin Central, 
      Baldwin Coastal, Escambia Coastal, George, Mobile Central, 
      Mobile Coastal, Mobile Inland, Okaloosa Coastal, Santa Rosa 
      Coastal, and Stone

* STORM INFORMATION:
    - About 490 miles south-southwest of Mobile AL or about 500 miles 
      south-southwest of Pensacola FL
    - 23.8N 90.2W
    - Storm Intensity 45 mph
    - Movement North or 350 degrees at 14 mph

SITUATION OVERVIEW
------------------

Tropical Storm Cristobal continues moving northward across the south-central 
Gulf of Mexico early this morning. Cristobal is forecast to approach the 
southeast Louisiana coast Sunday evening, and then move northwestward across 
Louisiana on Monday.

Tropical Storm Force winds will be possible along the coastal sections
of Alabama, portions of interior southeast Mississippi, and portions of the 
western Florida Panhandle from late Saturday night through early Monday 
morning.

Coastal Flooding is possible along coastal Alabama and the western Florida
Panhandle with inundation of 1 to 3 feet Sunday through Monday
afternoon, especially around the time of high tide. This also includes all 
area bays and sounds. High Surf is likely with breaker heights of 9 to 13 feet 
developing Saturday and continuing through Monday morning.

Rainfall amounts between 3 and 6 inches are expected along and south of the
Interstate 10 corridor, with isolated higher amounts up to 10 inches possible, 
especially across southern portions of Mobile and Baldwin counties and inland 
sections of southeast Mississippi. This may lead to flash flooding, especially
in poor drainage and urban areas.

A few tornadoes will also be possible from Sunday through Monday morning 
along and south of Interstate 10, including coastal Alabama and coastal
portions of the western Florida Panhandle.

Prepare now for potentially damaging winds, minor coastal flooding,
strong rip currents, periods of heavy rainfall, and a few tornadoes
across locations within the Tropical Storm Warning area.

POTENTIAL IMPACTS
-----------------

* WIND:
Protect against hazardous wind having possible limited impacts across 
portions of interior southeast Mississippi, coastal Alabama, and portions 
of the western Florida Panhandle. Potential impacts in this area include:
    - Damage to porches, awnings, carports, sheds, and unanchored 
      mobile homes. Unsecured lightweight objects blown about.
    - Many large tree limbs broken off. A few trees snapped or 
      uprooted, but with greater numbers in places where trees are 
      shallow rooted. Some fences and roadway signs blown over.
    - A few roads impassable from debris, particularly within urban 
      or heavily wooded places. Hazardous driving conditions on 
      bridges and other elevated roadways.
    - Scattered power and communications outages.

Elsewhere across portions of southwest Alabama...northwest 
Florida...south central Alabama...and inland southeast Mississippi., 
little to no impact is anticipated.

* FLOODING RAIN:
Protect against life-threatening rainfall flooding having possible 
extensive impacts across interior southeast Mississippi and coastal 
Alabama. Potential impacts include:
    - Major rainfall flooding may prompt many evacuations and rescues.
    - Rivers and tributaries may rapidly overflow their banks in 
      multiple places. Small streams, creeks, canals, and ditches may 
      become dangerous rivers. In mountain areas, destructive runoff 
      may run quickly down valleys while increasing susceptibility to 
      rockslides and mudslides. Flood control systems and barriers 
      may become stressed.
    - Flood waters can enter many structures within multiple 
      communities, some structures becoming uninhabitable or washed 
      away. Many places where flood waters may cover escape routes. 
      Streets and parking lots become rivers of moving water with 
      underpasses submerged. Driving conditions become dangerous. 
      Many road and bridge closures with some weakened or washed out.

Protect against dangerous rainfall flooding having possible limited 
to significant impacts across the remainder of southwest Alabama, northwest 
Florida, and south central Alabama.

* SURGE:
Protect against locally hazardous surge having possible limited 
impacts across coastal Alabama and coastal portions of the western
Florida Panhandle, including all local bays and sounds. Potential impacts in 
this area include:
    - Localized inundation with storm surge flooding mainly along 
      immediate shorelines and in low-lying spots, or in areas 
      farther inland near where higher surge waters move ashore.
    - Sections of near-shore roads and parking lots become overspread 
      with surge water. Driving conditions dangerous in places where 
      surge water covers the road.
    - Moderate beach erosion. Heavy surf also breaching dunes, mainly 
      in usually vulnerable locations. Strong rip currents.
    - Minor to locally moderate damage to marinas, docks, boardwalks, 
      and piers. A few small craft broken away from moorings.

Elsewhere across portions of southwest Alabama...northwest 
Florida...south central Alabama...and inland southeast Mississippi., 
little to no impact is anticipated.

* TORNADOES:
Protect against a tornado event having possible limited impacts 
across interior southeast Mississippi, coastal Alabama, and the western
Florida Panhandle. Potential impacts include:
    - The occurrence of isolated tornadoes can hinder the execution 
      of emergency plans during tropical events.
    - A few places may experience tornado damage, along with power 
      and communications disruptions.
    - Locations could realize roofs peeled off buildings, chimneys 
      toppled, mobile homes pushed off foundations or overturned, 
      large tree tops and branches snapped off, shallow-rooted trees 
      knocked over, moving vehicles blown off roads, and small boats 
      pulled from moorings.

* OTHER COASTAL HAZARDS:
There will also be the continued threat for life threatening rip currents,
high surf, and coastal erosion along area beaches.

PRECAUTIONARY/PREPAREDNESS ACTIONS
----------------------------------

* EVACUATIONS:
Listen to local official for recommended preparedness actions, including 
possible evacuation. If ordered to evacuate, do so immediately. 

* OTHER PREPAREDNESS INFORMATION:
Now is the time to complete all preparations to protect life and 
property in accordance with your emergency plan. Ensure you are in a 
safe location before the onset of strong winds or possible flooding.

If you are a visitor, be sure to know the name of the city or town in 
which you are staying and the name of the county or parish in which 
it resides. Listen for these locations in local news updates. Pay 
attention for instructions from local authorities.

Rapidly rising flood waters are deadly. If you are in a flood-prone 
area, consider moving to higher ground. Never drive through a flooded 
roadway. Remember, turn around don't drown!

If a Tornado Warning is issued for your area, be ready to shelter 
quickly, preferably away from windows and in an interior room not 
prone to flooding. If driving, scan the roadside for quick shelter 
options.

* ADDITIONAL SOURCES OF INFORMATION:
- For the latest detailed evacuation and shelter information...please 
refer to your local emergency management agency at the phone number 
or website listed below.
- Coastal Alabama:
- Baldwin County: 251-972-6807 or 
www.baldwincountyal.gov/departments/EMA
- Mobile County: 251-460-8000 or www.mcema.net
- Northwest Florida:
- Escambia County: 850-471-6400 or bereadyescambia.com
- Santa Rosa County: 850-983-5360 www.santarosa.fl.gov/emergency
- Okaloosa County: 850-651-7150 or www.co.okaloosa.fl.us/ps/home
- For information on appropriate preparations see ready.gov
- For additional disaster preparedness information see redcross.org

NEXT UPDATE
-----------

The next local statement will be issued by the National Weather 
Service in Mobile AL around 10 AM CDT, or sooner if conditions 
warrant.

$$

JLH



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TROPICAL STORM AMANDA







TROPICAL STORM AMANDA


Coastal Watches/Warnings and Forecast Cone for Storm Center

cone graphic

* If the storm is forecast to dissipate within 3 days, the “Full Forecast” and “3 day” graphic will be identical

Click Here for a 5-day Cone Printer Friendly Graphic

How to use the cone graphic (video):

Link to video describing cone graphic

About this product:

This graphic shows an approximate representation of coastal areas under a hurricane warning (red), hurricane watch (pink),
tropical storm warning (blue) and tropical storm watch (yellow). The orange circle indicates the current position of the
center of the tropical cyclone. The black line, when selected, and dots show the National Hurricane Center (NHC) forecast track of the center
at the times indicated. The dot indicating the forecast center location will be black if the cyclone is forecast to be
tropical and will be white with a black outline if the cyclone is forecast to be extratropical. If only an L is displayed,
then the system is forecast to be a remnant low. The letter inside the dot indicates the NHC’s forecast intensity for that time:

D: Tropical Depression – wind speed less than 39 MPH
S: Tropical Storm – wind speed between 39 MPH and 73 MPH
H: Hurricane – wind speed between 74 MPH and 110 MPH
M: Major Hurricane – wind speed greater than 110 MPH

NHC tropical cyclone forecast tracks can be in error. This forecast
uncertainty is conveyed by the track forecast “cone”, the solid white
and stippled white areas in the graphic. The solid white area depicts
the track forecast uncertainty for days 1-3 of the forecast, while the
stippled area depicts the uncertainty on days 4-5. Historical data
indicate that the entire 5-day path of the center of the tropical
cyclone will remain within the cone about 60-70% of the time. To
form the cone, a set of imaginary circles are placed along the
forecast track at the 12, 24, 36, 48, 72, 96, and 120 h positions,
where the size of each circle is set so that it encloses 67% of the
previous five years official forecast errors. The cone is then formed
by smoothly connecting the area swept out by the set of circles.

It is also important to realize that a tropical cyclone is not a point. Their
effects can span many hundreds of miles from the center. The area
experiencing hurricane force (one-minute average wind speeds of at least
74 mph) and tropical storm force (one-minute average wind speeds of
39-73 mph) winds can extend well beyond the white areas shown enclosing
the most likely track area of the center. The distribution of hurricane
and tropical storm force winds in this tropical cyclone can be seen in
the Wind History graphic linked above.

Considering the combined forecast uncertainties in track, intensity, and size, the
chances that any particular location will experience winds of 34 kt (tropical storm force),
50 kt, or 64 kt (hurricane force) from this tropical cyclone are presented in

tabular form for selected locations and forecast positions
. This information is also presented in
graphical form for the 34 kt, 50 kt,
and 64 kt thresholds.

Note:  A detailed definition of the NHC track forecast cone is also available.




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TROPICAL STORM ARTHUR







TROPICAL STORM ARTHUR


Coastal Watches/Warnings and Forecast Cone for Storm Center

cone graphic

* If the storm is forecast to dissipate within 3 days, the “Full Forecast” and “3 day” graphic will be identical

Click Here for a 5-day Cone Printer Friendly Graphic

How to use the cone graphic (video):

Link to video describing cone graphic

About this product:

This graphic shows an approximate representation of coastal areas under a hurricane warning (red), hurricane watch (pink),
tropical storm warning (blue) and tropical storm watch (yellow). The orange circle indicates the current position of the
center of the tropical cyclone. The black line, when selected, and dots show the National Hurricane Center (NHC) forecast track of the center
at the times indicated. The dot indicating the forecast center location will be black if the cyclone is forecast to be
tropical and will be white with a black outline if the cyclone is forecast to be extratropical. If only an L is displayed,
then the system is forecast to be a remnant low. The letter inside the dot indicates the NHC’s forecast intensity for that time:

D: Tropical Depression – wind speed less than 39 MPH
S: Tropical Storm – wind speed between 39 MPH and 73 MPH
H: Hurricane – wind speed between 74 MPH and 110 MPH
M: Major Hurricane – wind speed greater than 110 MPH

NHC tropical cyclone forecast tracks can be in error. This forecast
uncertainty is conveyed by the track forecast “cone”, the solid white
and stippled white areas in the graphic. The solid white area depicts
the track forecast uncertainty for days 1-3 of the forecast, while the
stippled area depicts the uncertainty on days 4-5. Historical data
indicate that the entire 5-day path of the center of the tropical
cyclone will remain within the cone about 60-70% of the time. To
form the cone, a set of imaginary circles are placed along the
forecast track at the 12, 24, 36, 48, 72, 96, and 120 h positions,
where the size of each circle is set so that it encloses 67% of the
previous five years official forecast errors. The cone is then formed
by smoothly connecting the area swept out by the set of circles.

It is also important to realize that a tropical cyclone is not a point. Their
effects can span many hundreds of miles from the center. The area
experiencing hurricane force (one-minute average wind speeds of at least
74 mph) and tropical storm force (one-minute average wind speeds of
39-73 mph) winds can extend well beyond the white areas shown enclosing
the most likely track area of the center. The distribution of hurricane
and tropical storm force winds in this tropical cyclone can be seen in
the Wind History graphic linked above.

Considering the combined forecast uncertainties in track, intensity, and size, the
chances that any particular location will experience winds of 34 kt (tropical storm force),
50 kt, or 64 kt (hurricane force) from this tropical cyclone are presented in

tabular form for selected locations and forecast positions
. This information is also presented in
graphical form for the 34 kt, 50 kt,
and 64 kt thresholds.

Note:  A detailed definition of the NHC track forecast cone is also available.




Source link