The sentence, Emergency managers have more than one means of receiving watches and warnings, requires no apostrophes. With a little rewording it does:
The emergency managers' watches and warnings were but one way for them to be alerted of danger.
watches and warnings, evacuation routes, & protective actions
The National Weather Service issues Tornado Warnings as well as Watches. This is also true for Severe Thunderstorm Warnings and Watches.
In the United States most severe weather watches are issued by the Storm Prediction Center in Norman, Oklahoma. Warnings are usually issued by the local National Weather Service offices of the area affected. Hurricane watches and warnings are issued by the National Hurricane Center in Miami, Florida.
Any sort of condition in the weather, be it snow, rain, wind, sleet, tornado watches or warnings, hurricane watches or warnings, flooding, etc etc... you get the picture.
Knowing the difference between storm watches and storm warnings can save you life. A storm watch means that the current conditions are right for dangerous weather and to watch for them. A storm warning means that the dangerous weather is threatening the area at that moment.
In the United States, the National Weather Service issues tornado watches through the Storm Prediction Center, and tornado warnings through its local offices. The National Weather Service is a branch of the National Oceanic and Atmospheric Administration.
In the United States, tornado warnings are issued by local offices of the National Weather Service. Tornado watches are issued by the Storm Prediction Center in Norman, Oklahoma, a subdivision of the National Weather Service.
Local NWS Weather Forecast Offices
Three types of hazardous weather forecasts are weather advisories, weather watches, and weather warnings.
No. They occur almost all the time in many areas an are generally not considered dangerous.
Probably not. As of my writing this, there are no active tornado warnings in the United States, but that could change by the time you read this. For actual up-to-date information check out the website of the National Weather Service for current weather watches and warnings in the US.
The MLB prohibits players and coaches from wearing various electronic communication devices, such as Fitbits and smart watches, on the field during games. So they can track the timing of the game and Other gadgets are allowed too.