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NASA launched a weather satellite called NOAA-M, later renamed (NOAA)-17(M). I suspect that the map you saw simply was data gathered from this craft which was launched in 2002. Satellites are named in order of production, not necessarily order of launch date.
Depending on its location and strength, a tropical cyclone is referred to by names such as hurricane, typhoon, tropical storm, cyclonic storm, tropical depression, and simply cyclone. None of these types begin with "M".
The person releasing the map must have overlooked giving the storm it's proper designation on the website.
Source(s):
http://www.gsfc.nasa.gov/topstory/20020624noaam.html
http://en.wikipedia.org/wiki/Tropical_cyclone
Tags: satellite, hurricane, storm, noaa
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Source(s):
http://www.nhc.noaa.gov/graphics_at3.shtml?5-daynl#contents
Tags: noaa
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If instead of M was a H the sustained wind speed would have been bigger than 73 mph but lower than 100 mph.
"The area experiencing hurricane force (one-minute average wind speeds of at least 74 mph) and tropical storm force (one-minute average wind speeds of 39-73 mph) winds can extend well beyond the white areas shown enclosing the most likely track area of the center. "
In this case you see a powerful hurricane because of the wind speed that is bigger than 100 mph.
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M$1.05
August 18, 2009 01:38 AM
When looking at NOAA's hurricane tracker, what is the "M" designation?
I often track hurricanes at NOAA's website, but I am seeing something new for the first time in regards to Hurricane Bill and can find no explanation on the website nor via a search. So, I am hoping someone will know what it means.
In additional to the usual "S" for tropical storm and "H" for hurricane, Hurricane Bill has a designation of "M". But the projected sustained winds are Category 3 Hurricane according to NOAA itself.
Can you shed light on the "M"? Here is a link directly to Hurricane Bill where you can see the "M" in the 3 and 5 day projected cones.
http://www.nhc.noaa.gov/graphics_at3.shtml?5-daynl#contents
In additional to the usual "S" for tropical storm and "H" for hurricane, Hurricane Bill has a designation of "M". But the projected sustained winds are Category 3 Hurricane according to NOAA itself.
Can you shed light on the "M"? Here is a link directly to Hurricane Bill where you can see the "M" in the 3 and 5 day projected cones.
http://www.nhc.noaa.gov/graphics_at3.shtml?5-daynl#contents
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| August 18, 2009 04:51 AM |
Depending on its location and strength, a tropical cyclone is referred to by names such as hurricane, typhoon, tropical storm, cyclonic storm, tropical depression, and simply cyclone. None of these types begin with "M".
The person releasing the map must have overlooked giving the storm it's proper designation on the website.
Source(s):
http://www.gsfc.nasa.gov/topstory/20020624noaam.html
http://en.wikipedia.org/wiki/Tropical_cyclone
| Asker's Rating: |
• Thanks so much for your answer. After further research, I also believe that the "M" is somehow a glitch or typo that is persisting since I can find no explanation for the sudden usage of it when it was never used before for large storms.
Tags: satellite, hurricane, storm, noaa
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Helpful: beyre
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August 18, 2009 01:52 AM
I found this on the link you submitted seems the M designation means, Tropical cyclone with sustained winds > 110mph. Source(s):
http://www.nhc.noaa.gov/graphics_at3.shtml?5-daynl#contents
Tags: noaa
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Helpful: badaspie, topaz5433, videopia
Tip buddawiggi for this answer
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August 18, 2009 06:35 AM
In the provided map you can see a legend where you see that M means a sustained wind speed bigger than 100 miles per hour(mph). If instead of M was a H the sustained wind speed would have been bigger than 73 mph but lower than 100 mph.
"The area experiencing hurricane force (one-minute average wind speeds of at least 74 mph) and tropical storm force (one-minute average wind speeds of 39-73 mph) winds can extend well beyond the white areas shown enclosing the most likely track area of the center. "
In this case you see a powerful hurricane because of the wind speed that is bigger than 100 mph.
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August 18, 2009 08:41 PM
I tend to watch hurricanes on NOAA, and this is the first time I've seen the "M" designation, hence my original question. Typically, as the storm becomes a Category 3, 4, and 5 ... the number would be in the circle, instead of the usual "H".
Do you think this is something new they are doing, instead of the numbering system ... just doing "M" for major category storm?
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Do you think this is something new they are doing, instead of the numbering system ... just doing "M" for major category storm?
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It is very plausible that there was some over-sight on the labeling of the storm.
Just so you all know - I'm still researching and am curious to see who has come closest to the correct answer. However, regardless of right or wrong, I have gotten some very good answers and it will be a difficult job in deciding the Best Answer ... you have all done a great job thus far. =)