On average, 75% of tornado warnings in the United States are false alarms
. The southeastern United States experiences frequent, short-lived tornadoes and the highest tornado fatalities in the nation.
He was finishing a round of golf in Florida when he was told of Hawaii's false alarm
. The president has 46.6 million followers on Twitter, and could have provided quick reassurance to people in Hawaii and on the mainland.
Basketball game interrupted by message urging Hawaii residents to 'seek immediate shelter' during missile threat false alarm
A spokesman for Holyhead Coastguard said the incident was being treated as a "false alarm
with good intent".
"But Kilrush RNLI would rather launch to a false alarm
, rather than be called out too late to an emergency situation."
On 1 June EgyptAir received a false alarm
suggesting that there was a bomb on board flight MS960 heading to Bangkok.
"The call-out was a false alarm
due to the activation of an intruder alarm.
This resulted in fire engines being mobilised on blue lights 18,000 times - almost ten a day - to what turned out to be a false alarm
This resulted in fire engines being mobilised on blue lights 18,000 times -- almost ten a day - to what turned out to be a false alarm
After weeks of testing and thousands of samples, the customer informed us that the QS-B220 had the lowest false alarm
rate out of all of the tested systems.
The new Magic PDM-IXx12/T and PDM-IXx18/T dual motion detectors offer reliable detection of intruders and high false alarm
The official definition of a false alarm
is "a fire signal resulting from a cause other than fire".
PATIENTS and staff at the Jidhafs Health Centre were yesterday evacuated following a false alarm
The alert prompted a response from Eastbourne and Hastings inshore RNLI lifeboats at around 8.30am this morning - only for them to find it was a false alarm
"The images from the two cameras [infra-red and RGB] are combined using computer classification software to produce real-time alerts with the lowest possible false alarm