storm warning
noun
1.
a showing of storm signals.
2.
Meteorology.
a National Weather Service warning of winds having speeds of 48 knots (55 mph, 25 m/sec) or greater.
Compare
hurricane warning
,
warning
(def 3).
3.
any sign of approaching trouble:
The troops on the border were a storm warning, and we prepared for war. His angry look was a storm warning.
Origin
1865-70
Examples from the web for
storm warning
One of the square flags warns mariners that a
storm warning
has been posted.
When one of these red flags are hanging, that warns mariners that a
storm warning
has been posted.
The funds will be used to purchase a
storm warning
siren and turn out gear for the volunteer fire department.
British Dictionary definitions for
storm warning
storm warning
noun
1.
a pattern of lights, flags, etc, displayed at certain ports as a warning to shipping of an approaching storm
2.
an announcement on radio or television of an approaching storm
3.
any warning of approaching danger or trouble