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 Table 2. DoD STORM WARNINGS
Warning
Definition
WIND WARNINGS
Small Craft Warning Harbor and inland waters warning for winds 33 knots
or less of concern to small craft.
Gale Warning Warning for harbor, inland waters and ocean areas for
winds 34 to 47 knots.
Storm Warning Warning for harbor, inland waters and ocean areas for
winds 48 knots or greater.
TROPICAL CYCLONE WARNINGS
Tropical Depression Warning for land, harbor, inland waters and ocean
areas for winds 33 knots or less.
Tropical Storm Warning for land, harbor, inland waters and ocean
areas for winds 34 to 63 knots.
Hurricane/Typhoon Warning for land, harbor, inland waters and ocean
areas for winds 64 knots or greater.
THUNDERSTORM/TORNADO
WARNINGS
Thunderstorm Warning Thunderstorms are forecast to impact the warning
area.
Severe Thunderstorm Warning Severe thunderstorms with wind gusts to 50 knots or
greater and/or hail of 3/4 inch diameter or greater are
forecast to impact the area.
Tornado Warning Tornados have been sighted or detected by RADAR in
or adjacent to the warning area, or have a strong
potential to develop in the warning area.
(after OPNAVINST 3140.24E of 21 Dec 1993)
7
NFESC TR-6012-OCN Rev B
U.S. NAVY HEAVY WEATHER
MOORING SAFETY REQUIREMENTS
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