Hurricane Michael – Navigation Restoration Conference Report

Highlights from today’s conference:  
 
NWS/NOAA
  • Hurricane Michael is now a Category 2 hurricane and is expected to strengthen to a Category 3 Hurricane this afternoon.
  • Landfall is expected early Wednesday afternoon near Panama City, Florida.
  • Tropical watches are not out for our area at this time.
  • Possible gusty winds and rain fall for the Louisiana coast.


USACE
  • Monitoring. Not looking at RNA impacts or lock closures at this time.


USCG
  • Monitoring. No actions taken at this time.
 
 
PORTS
  • No Reports.
 
Pilots
 
BAR – Monitoring. Experiencing 6’ seas off SWP. Watching closely. No plans to shutdown operations at this time.
 
CRPPA – Monitoring. Ops normal. No plans to shutdown at this time.
 
NOBRA – No report.
 
Federal – Monitoring. Ops normal. Don’t anticipate shutting down given current path.


TOWING INDUSTRY
GICA – Ops normal at this time for New Orleans area.
GNOBFA – Monitoring.
Attachments:
  • None.
Tropicswatch Hurricane Michael Advisory 17 shown below.
Hurricane Michael Track Chart, Advisory #17

Current Location: 24.6N, 86.2W
Geographic Reference: 380 miles south of Panama City, FL
Movement: North at 14 mph
Max Winds: 105 mph gusting to 125 mph
Current Hurricane Severity Index: 18 out of a possible 50 points (9 size, 9 intensity)
Max Predicted Hurricane Severity Index: 23 out of a possible 50 points (10 size, 13 intensity)
Current Radius of Tropical Storm-Force Winds: 165 miles
Max Predicted Radius of Tropical Storm-Force Winds: 270 miles
Organizational Trend: Strengthening
Forecast Confidence: Average

Key Points
1. There are no significant changes in this advisory.
2. We are forecasting landfall to occur early Wednesday afternoon near Panama City, Florida with winds of 110 mph to 120 mph.
3. There is the potential for additional flooding in the Carolinas.

Our Forecast
There are no significant changes in this advisory. A reconnaissance plane inside the storm has found a dropping pressure and increasing winds. Satellite imagery indicates that the eye is beginning to clear out. We think that Michael will strengthen to a category 3 hurricane this afternoon. Winds may peak around 125 mph tonight, though we do expect that Michael will weaken a little prior to landfall. Our forecast takes the center of Michael inland into the Panama City area early tomorrow afternoon as a category 3 hurricane with max sustained winds near 120 mph.

Once inland, Michael’s winds will drop below hurricane strength as it tracks across southwestern Georgia Wednesday evening. However, Michael will maintain tropical storm-force winds as it tracks across the Carolinas on Thursday. Michael’s rapid forward speed as it tracks through the Carolinas will limit its capacity to produce heavy rain, but we are still expecting several inches of rain to fall there on Thursday. Once Michael emerges off the East U.S. Coast early Friday morning, it should begin a transition to a larger extratropical storm. Tropical storm-force winds may extend as far north as the southern coast of New Jersey.

Expected Impacts Offshore
Lund, Atwater, and Mississippi Canyon Eastward: Squalls are forecast to reach the deepwater areas off the southeast Louisiana coast during the afternoon. Tropical storm conditions are possible across eastern parts of these lease areas tonight and tomorrow morning.

Expected Impacts Inland
Florida Panhandle / Extreme Southeast Alabama / SW Georgia: Severe damage due to wind and tidal surge is expected near where the center tracks. This includes well-built structures. Widespread power outages are expected. These power outages could last for an extended period of time. Flooding rains are also likely.

Georgia and the Carolinas: Inland flooding will be possible, including for some of the areas that were flooded in Florence. Power outages due to wind are also possible.

An intermediate advisory will be issued by 12 PM CDT. Our next full advisory will be issued by 3 PM CDT

Meteorologists: Chris Hebert / Derek Ortt


Forecast Confidence:   Average Hurricane Severity Index
Fcst Hour Valid Lat. Lon. Max Sustained Winds Max Gusts Category Size Intensity Total
0 9AM CDT Tue Oct 09 24.60N 86.20W 105 mph 125 mph Category 2 9 9 18
12 9PM CDT Tue Oct 09 27.10N 86.50W 120 mph 145 mph Category 3 10 12 22
24 9AM CDT Wed Oct 10 29.20N 86.00W 125 mph 150 mph Category 3 10 13 23
28 1PM CDT Wed Oct 10 30.00N 85.50W 120 mph 145 mph Category 3 11 12 23
36 9PM CDT Wed Oct 10 31.50N 84.30W 80 mph 100 mph Category 1 4 5 9
48 9AM CDT Thu Oct 11 33.80N 81.50W 50 mph 65 mph Tropical Storm 1 2 3
60 9PM CDT Thu Oct 11 36.20N 77.10W 50 mph 65 mph Tropical Storm 2 2 4
72 9AM CDT Fri Oct 12 38.90N 70.80W 65 mph 75 mph Extratropical Storm 4 3 7
84 9PM CDT Fri Oct 12 42.00N 62.00W 65 mph 80 mph Extratropical Storm 6 3 9
96 9AM CDT Sat Oct 13 45.40N 51.90W 65 mph 80 mph Extratropical Storm 6 3 9

The yellow cone represents track error from the previous five hurricane seasons. Over the past five hurricane seasons, the center of the storm tracked within the yellow cone 75% of the time. The cone does not represent the forecast uncertainty in the current advisory for this storm. In addition, hurricane-force winds, very high tides, large waves, and heavy rainfall can often extend well outside the yellow cone.