Category 4 Hurricane Dorian May Not Make Landfall in Florida

The Category 4 Hurricane may stay offshore as the track continues to shift eastward as predicted by some models.

Saturday, August 31, 2019 11:53:42 AM +00:00

ContactRelief Recommendations for Florida and Georgia

ContactRelief has issued a Tropical Weather Strategy alert and recommendation for parts of Florida and Georgia. Our current recommendation is to suspend non-essential contact through close of business Saturday 9/7.  An extension of this recommendation may be required in certain heavily hit areas if the storm makes landfall as predicted. In areas with no damage or less damage, contact may be resumed early.

Dorian is now a major hurricane at Category 4 strength.  Dorian is expected to approach the Florida coastline on Tuesday.  The storm is now predicted to track up the coastline and according to some models may never make actual landfall.  However, the track is still uncertain and as a major hurricane, the coastal areas will be severely impacted even if the storm fails to make landfall.  We are holding the recommended suspension area constant until the track stabilizes.

Residents are actively preparing for the upcoming storm.  As the storm nears landfall, these preparations will intensify further.  You can promote and protect your brand image implementing a proactive customer care policy now.  You should consider messaging opportunities before and after the storm, suspension of non-essential contact, financial relief programs or other services, creating specialized IVRs and trained agent groups to handle interaction with disaster victims, and routing calls based on the caller's location.

To obtain a complete list of the affected Zip Codes and get real-time updates on the recovery efforts by Zip Code after the storm hits, become a ContactRelief subscriber. 

National Hurricane Center Tropical Storm Dorian Forecast Discussion (Saturday 5AM AST)

Hurricane Dorian Discussion Number  28
NWS National Hurricane Center Miami FL       AL052019
500 AM EDT Sat Aug 31 2019

Dorian continues to look impressive in satellite imagery this morning, with a fairly symmetric area of cold cloud tops surrounding a 10-15 n mi wide eye.  There have been no new aircraft data from the storm since the last advisory.  However, the satellite appearance has changed little since the aircraft were last in the storm, and the various subjective and objective satellite intensity estimates have changed little over the past several hours.  Based on this, the initial intensity remains 120 kt.

The initial motion is now 290/10.  A low- to mid-level subtropical ridge to the north of the hurricane should steer it west- northwestward to westward for the next 48 h or so, with the forward speed becoming very slow as the center passes near or over the Abacos and Grand Bahama. The track guidance for this part of the track is tightly clustered, and the new forecast track is near the ECMWF, UKMET, and HCCA corrected consensus models.  The track forecast becomes much more problematic after 48 h.  The global models the NHC normally uses, along with the regional HWRF and HMON models, have made another shift to the east to the point where none of them forecast Dorian to make landfall in Florida.  However, the UKMET ensemble mean still brings the hurricane over the Florida peninsula, as do several GFS and ECMWF ensemble members.  The new track forecast for 72-120 h will be moved eastward to stay east of the coast of Florida, and it lies between the old forecast and the various consensus models.  Additional adjustments to the forecast track may be necessary later today if current model trends continue. It should be noted that the new forecast track does not preclude Dorian making landfall on the Florida coast, as large portions of the coast remain in the track cone of uncertainty.  Also, significant impacts could occur even if the center stays offshore.

Dorian should remain in a generally favorable environment for the next 3-4 days, and the intensity guidance indicates it will remain a powerful hurricane during this time.  The new intensity forecast calls for a little more strengthening today, then it shows a slow weakening that follows the trend of the intensity guidance.  During this time, the biggest intensity changes may come from hard-to- forecast eyewall replacement cycles.  Late in the forecast period, increased vertical shear and proximity to land is expected to cause some weakening.

 Key Messages:

1. A prolonged period of life-threatening storm surge and devastating hurricane-force winds are likely in portions of the northwestern Bahamas, particularly on the Abaco Islands and Grand Bahama Island.  A hurricane warning is in effect for these areas, and residents should listen to advice given by local emergency officials and have their hurricane preparations completed today.

2. Life-threatening storm surge and devastating hurricane-force winds are still possible along portions of the Florida east coast by the early to middle part of next week, but since Dorian is forecast to slow down and turn northward near the coast, it is too soon to determine when or where the highest surge and winds will occur. Residents should have their hurricane plan in place, know if they are in a hurricane evacuation zone, and listen to advice given by local emergency officials.

3. The risk of strong winds and life-threatening storm surge is increasing along the coasts of Georgia and South Carolina during the middle of next week.  Residents in those areas should continue to monitor the progress of Dorian.

4. Heavy rains, capable of life-threatening flash floods, are expected over portions of the Bahamas and coastal sections of the southeastern United States this weekend through much of next week.

 FORECAST POSITIONS AND MAX WINDS

INIT  31/0900Z 25.8N  72.6W  120 KT 140 MPH

 12H  31/1800Z 26.1N  74.0W  125 KT 145 MPH

 24H  01/0600Z 26.5N  75.8W  125 KT 145 MPH

 36H  01/1800Z 26.7N  77.2W  125 KT 145 MPH

 48H  02/0600Z 26.9N  78.1W  120 KT 140 MPH

 72H  03/0600Z 27.5N  79.4W  115 KT 130 MPH

 96H  04/0600Z 29.5N  80.5W  110 KT 125 MPH

 

120H  05/0600Z 32.0N  80.5W   95 KT 110 MPH

 

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