News & Media

15 September, 2020

Hurricane Sally Update

Sally has been upgraded to hurricane status, and is moving WNW at 7 mph (11.2 kmh). The hurricane is expected to strengthen as it slowly moves inland.

According to Reuters, 21% of offshore crude oil production, and 25% of natural gas output has been shut down in preparation for the hurricane. The Louisiana Offshore Oil Port (LOOP) has ceased loading tanker operations Sunday, prior to closure of the port of New Orleans. LOOP is the only offshore terminal in the United States.

Port Conditions

New Orleans & Baton Rouge – Currently port condition Yankee, however Port Condition Zulu will be set as of 12:00 local time today.

Mobile, AL – Port Condition Zulu

Port of Mobile is closing at 1800 today – please note attached.

All vessels have departed from Panama City to Gulfport.

As Tropical Storm Sally approaches, please see the attached MSIB 37-20 for Port Status ZULU (ORDERED for 1200 14SEP2020) for the Ports of Pensacola, Mobile, Pascagoula, Gulfport and the GICWW west of MM 187 (Pensacola Bay Bridge).

a. GICWW west of MM 187 :       ZULU

b. GICWW east of MM 187:        XRAY

c. Port of Panama City:               XRAY

d. Port of Pensacola:                 ZULU

e. Port of Mobile:                        ZULU

f. Port of Pascagoula:                 ZULU

g. Port of Gulfport:                     ZULU

Hurricane Port Condition YANKEE means condition set when weather advisories indicate that sustained gale force winds (39-54 mph/34-47 knots) from a tropical or hurricane force storm are predicted to make landfall at the port within 24 hours.

Hurricane Port Condition ZULU means condition set when weather advisories indicate that sustained gale force winds (39-54 mph/34-47 knots) from a tropical or hurricane force storm are predicted to make landfall at the port within 12 hours.

The NHS has issued the following watches and warnings:

SALLY MEANDERING OVER THE NORTH-CENTRAL GULF OF MEXICO...

...EXPECTED TO RESUME A SLOW WEST-NORTHWESTWARD MOTION...

SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION

----------------------------------------------

LOCATION...28.7N 87.1W

ABOUT 125 MI...200 KM ESE OF THE MOUTH OF THE MISSISSIPPI RIVER

ABOUT 160 MI...260 KM SE OF BILOXI MISSISSIPPI

MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H

PRESENT MOVEMENT...WNW OR 285 DEGREES AT 7 MPH...11 KM/H

MINIMUM CENTRAL PRESSURE...986 MB...29.12 INCHES


WATCHES AND WARNINGS

--------------------

CHANGES WITH THIS ADVISORY:

None
 

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

 

A STORM SURGE WARNING IS IN EFFECT FOR...

* PORT FOURCHON LOUISIANA TO THE ALABAMA/FLORIDA BORDER

* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND LAKE BORGNE

* MOBILE BAY

 

A HURRICANE WARNING IS IN EFFECT FOR...

* MORGAN CITY LOUISIANA TO THE ALABAMA/FLORIDA BORDER

* LAKE PONTCHARTRAIN AND LAKE MAUREPAS INCLUDING METROPOLITAN NEW

ORLEANS

 

A TROPICAL STORM WARNING IS IN EFFECT FOR...

* ALABAMA/FLORIDA BORDER TO INDIAN PASS FLORIDA

* INTRACOASTAL CITY LOUISIANA TO WEST OF MORGAN CITY

 

A TROPICAL STORM WATCH IS IN EFFECT FOR...

* INDIAN PASS TO OCHLOCKONEE RIVER FLORIDA


PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT   6 KT

 

ESTIMATED MINIMUM CENTRAL PRESSURE  986 MB

MAX SUSTAINED WINDS  80 KT WITH GUSTS TO 100 KT.

64 KT....... 20NE  15SE   0SW  15NW.

50 KT....... 50NE  30SE   0SW  30NW.

34 KT.......110NE 110SE  20SW 100NW.

12 FT SEAS..120NE  90SE  60SW 100NW.

WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

 

REPEAT...CENTER LOCATED NEAR 28.7N  87.0W AT 14/1630Z

AT 14/1200Z CENTER WAS LOCATED NEAR 28.4N  86.9W

 

FORECAST VALID 15/0000Z 28.8N  87.8W

MAX WIND  85 KT...GUSTS 105 KT.

64 KT... 20NE  15SE   0SW   0NW.

50 KT... 50NE  30SE   0SW  40NW.

34 KT...110NE 110SE  30SW 100NW.

 

FORECAST VALID 15/1200Z 29.2N  88.8W

MAX WIND  90 KT...GUSTS 110 KT.

64 KT... 20NE  15SE   0SW  15NW.

50 KT... 50NE  40SE  20SW  30NW.

34 KT...110NE 100SE  50SW  80NW.

 

FORECAST VALID 16/0000Z 29.8N  89.1W

MAX WIND  90 KT...GUSTS 110 KT.

64 KT... 20NE  15SE  10SW  15NW.

50 KT... 40NE  30SE  20SW  30NW.

34 KT... 90NE  90SE  50SW  60NW.

 

FORECAST VALID 16/1200Z 30.8N  88.7W...INLAND

MAX WIND  65 KT...GUSTS  80 KT.

50 KT... 30NE  30SE  10SW  10NW.

34 KT... 60NE  90SE  40SW  40NW.

 

FORECAST VALID 17/0000Z 31.8N  87.7W...INLAND

MAX WIND  30 KT...GUSTS  40 KT.

 

FORECAST VALID 17/1200Z 32.6N  86.5W...INLAND

MAX WIND  25 KT...GUSTS  35 KT.

 

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

 

OUTLOOK VALID 18/1200Z 33.1N  84.0W...POST-TROP/REMNT LOW 
MAX WIND  20 KT...GUSTS  30 KT.

 

OUTLOOK VALID 19/1200Z...DISSIPATED

 

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.7N  87.0W

 

INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 14/1800Z

 

Other Informative Links

Upper Steering Map : HERE

Peak Storm Surge: HERE

Surface Analysis: HERE

Wind/Wave Analysis: HERE