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Mission & Vision
Naval Oceanographic Office
Fleet Numerical Meteorology & Oceanography Center
United States Naval Observatory
News from the Naval Observatory
Earth Orientation Department
USNO Earth Orientation Products
Contents of Bulletin A
USNO GPS Products
GPS User Information
USNO VLBI-based Products
VLBI Correlator Data
VLBI-based Earth Orientation Parameters (EOP)
Earth Orientation Information Center
General Information about Earth Orientation
Frequently Asked Questions About Earth Orientation
What Is Earth Orientation?
What Is Polar Motion?
What does the Earth rotation coordinate measure?
What is the Celestial Pole Offset?
What is a Leap Second?
How do we measure Earth Orientation?
What causes variations in the Earth's orientation?
Who uses Earth orientation information?
Publications About Earth Orientation Products
Earth Orientation Software
Precise Time Department
The USNO Master Clock
The USNO Master Clock
Time Dissemination at the USNO
USNO Alternate Master Clock (AMC)
Cesium Atomic Clocks
Hydrogen Masers at the USNO
Rubidium Fountain Clocks
USNO Time Scales
International Time Scales and the BIPM
Definitions of Systems of Time
Global Positioning System
Global Positioning System Overview
USNO GPS Data Categories Explanation
CGGTTS Data Format
USNO GPS Time Transfer
GPS Information: SA, DGPS, Leap Seconds, etc.
GPS Week Number Rollover
GPS Timing Data and Information
USNO Format Explanation
USNO Computer Display Clocks
Two-Way Satellite Time Transfer (TWSTT)
Network Time Protocol (NTP)
US Eastern Time Zone NTP Servers
US Mountain Time Zone Servers
DoD Customer Servers
Astronomical Applications Department
Celestial Reference Frame Department
Senior Enlisted Advisor
Naval Oceanography Operations Command
Fleet Weather Center - Norfolk
Fleet Weather Center - San Diego
Joint Typhoon Warning Center
Public Use of Limitations
Naval Meteorology and Oceanography Command
Commander Angela S. Francis
Commanding Officer, Joint Typhoon Warning Center
06 June 2022
A native of Bartlesville, Oklahoma, CDR Francis was commissioned in May, 2003 upon graduation from Texas A&M University with a B.S. in Economics with a Minor in Biology. She was designated a Surface Warfare Officer with an Ocean Option and reported to her first command in Mayport in June 2003.
At Sea, she served as the Auxiliaries Officer onboard the USS HUE CITY (CG 66) and deployed in support of Operation IRAQI FREEDOM; the Damage Control Assistant onboard the USS THE SULLIVANS (DDG 68); and the OA Division Officer onboard the USS THEODORE ROOSEVELT (CVN 71).
Ashore, she served as the N31 Assistant Operations Officer and N3 Deputy Operations Officer at Fleet Numerical Meteorology and Oceanography Center (FNMOC); the N3 Operations Officer at the Naval Oceanography Operations Command (NOOC); the Executive Officer at the Naval Oceanography Mine Warfare Center (NOMWC), and the Senior METOC Officer at INDO-PACIFIC COMMAND (INDOPACOM).
In between tours, she earned her M.S. in Meteorology and Physical Oceanography from the Naval Postgraduate School, where she was recognized for graduating With Distinction from the Naval War College’s Joint Professional Military Education Phase I program.
In command, CDR Francis is currently serving at Joint Typhoon Warning Center in Pearl
CDR Francis has also earned an MBA in Management & Economics from the Forbes School of Business at Ashford University. Awards include the Junior Shiphandler of the Year award for Carrier Strike Group 6 (2004), the Joint Meritorious Service Medal, the Navy Commendation Medal (6), the Navy Achievement Medal (3), and other unit, campaign and service awards. She is married to CWO4 Kyle Francis and has a 6-year-old son, Jacob.
joint typhoon warning center
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