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Hurricane Warning flags (U.S.)

Last modified: 2015-04-04 by rick wyatt
Keywords: united states | storm signals | gale | hurricane |
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image by Rick Wyatt, 6 August 1999

Hurricane Flag
image by Antonio Martins, 15 August 1999
Gale Pennant

• Description
• Coast Guard Usage
• Reintroduction of flags

See also:

• U.S. Weather Flags
• Former U.S. Signal Service
• United States of America

Description

Each U.S. Storm Signal Set consists of 2 Hurricane Flags and 2 Gale Pennants. They are used as follows:

	Type	Wind Speed
1 pennant	small craft warning	up to 38 mph
2 pennants	gale warning	39-54 mph
1 flag	storm/whole gale warning	55-73 mph
2 flags	hurricane warning	74+ mph

In this day and age of satellite communications and instant information, these flags are no longer used by the government. However, individuals and marinas still use them.
Rick Wyatt, 6 August 1999

Coast Guard Usage

The storm warning flags were formerly used by the U.S. National Weather Service to warn ships and boats of bad weather. Although the NWS discontinued posting flag warnings on 15 February 1989, the announcement of that cessation said "U.S. Coast Guard and other stations may continue to display warning signals without the direct participation of the National Weather Service."

According to a Coast Guard message to all stations on 22 February 2001 (ALCOAST 069/01), some stations did indeed maintain the tradition of displaying these signals as a service to their local communities. The purpose of the message was to provide instructions for the continued use of the warning flags and directed that "Weather flags shall not be displayed by Coast Guard units except as provided for in this message." The guidelines now governing Coast Guard use of the weather flags:

• Only displayed where the Coast Guard district commander deems appropriate.
• Must be in accordance with warnings in force for the area as established by the National Weather Service.
• The unit's entry in the United States Coast Pilot (a detailed guide to coastal navigation published by the National Oceanic and Atmospheric Administration) will indicate whether the unit displays the flag signals. The fact will also be indicated on NOAA charts. [In other words, the station cannot decide to display the flags only some of the time--if it ever displays them, it must do so whenever a warning is in effect.]
• The flags must be displayed from one hour before sunrise to one hour after sunset, except at stations authorized to fly the ensign 24 hours a day. In that case, the storm flags need not be taken in at night.
• The flags must be visible from a navigable waterway.

Reintroduction of flags

www.navytimes.com/news/2007/05/coastguard_flags_070530w/

Coasties revive foul-weather warning flags
By Patricia Kime - Staff writer
Posted : Wednesday May 30, 2007 18:19:14 EDT

Double red-and-black storm-warning flags once heralded an impending hurricane, urging mariners to take cover and seaside residents to flee. The flags disappeared from common use in 1989, when the National Weather Service discontinued the program.

This summer, the Coast Guard officially is bringing them back. Starting June 1, select Coast Guard stations will hoist storm flags in foul weather: red triangle for small craft warning; double red triangle for gale warning; single red-and-black square for storm warning; and the feared double flags for hurricane warning.

"[This is] a Coast Guard initiative to reinforce the Coast Guard's role as lifesavers, reaffirm to local communities the Coast Guard's role as experts concerning local boating matters and visually communicate ... the lesson of Hurricane Katrina to take personal responsibility for individual safety," said Rear Adm. David Pekoske in an announcement May 30.

Some marinas and stations voluntarily have carried on the tradition of hoisting such flags, but participation was spotty. The Coast Guard hopes that residents in storm-prone areas will see the flags and listen to National Oceanographic and Atmospherics Administration radio broadcasts for further details, officials say.

David C. Fowler, 31 May 2007

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