Dr. Jeff Masters' WunderBlog |
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| Posted by: Dr. Jeff Masters, 1:41 PM GMT on September 09, 2010 | +5 |




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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.
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Captain Jeff...There's only enough lifeboats for half the bloggers!
Oh. The hoax. Got it.
Definitions from the NHC's glossary - some interesting reading:
Direct Hit:
A close approach of a tropical cyclone to a particular location. For locations on the left-hand side of a tropical cyclone's track (looking in the direction of motion), a direct hit occurs when the cyclone passes to within a distance equal to the cyclone's radius of maximum wind. For locations on the right-hand side of the track, a direct hit occurs when the cyclone passes to within a distance equal to twice the radius of maximum wind. Compare indirect hit, strike.
Indirect Hit:
Generally refers to locations that do not experience a direct hit from a tropical cyclone, but do experience hurricane force winds (either sustained or gusts) or tides of at least 4 feet above normal.
Landfall:
The intersection of the surface center of a tropical cyclone with a coastline. Because the strongest winds in a tropical cyclone are not located precisely at the center, it is possible for a cyclone's strongest winds to be experienced over land even if landfall does not occur. Similarly, it is possible for a tropical cyclone to make landfall and have its strongest winds remain over the water. Compare direct hit, indirect hit, and strike.
Strike:
For any particular location, a hurricane strike occurs if that location passes within the hurricane's strike circle, a circle of 125 n mi diameter, centered 12.5 n mi to the right of the hurricane center (looking in the direction of motion). This circle is meant to depict the typical extent of hurricane force winds, which are approximately 75 n mi to the right of the center and 50 n mi to the left.
Well you're just full of good news!
Hi Dixie.
Yep. Same thing.
So global warming causes cold winters? Interesting....
AOI
AOI
AOI
AOI
AOI
TS BUSTED FORECAST ALIBI
Looks like the merger is done.
Take it easy on him. He just flushed his fish down the toilet.
Here I was, enjoying a Gaston free morning, but nooooo! DJeff has to go get the Gastonaphiles riled up!
yeah, where 92L is, there's no shot of fish. It will affect somebody somewhere. We probably gotta root for a track that keeps to the south. Or hope that 92L got organizational advice from Gaston.
I'am not stormw but if you don't mind i can throw out my 2cents...
One of the more consistent things in modeling the past few days has been the rebuilding of ridging in TX/western Gulf in the wake of TS Hermine. H5 should approach 594 dam, just as we see a rising tendency in the EPO owing to the negative AAM tendency that is occurring presently. Additionally, models indicate the -AO wave bottom circa the 18th as well. This setup, to me, suggests that the ridging in TX is unlikely to shift westward and more pac jet energy comes into the west coast circa day 18th. With high pressures over the pole, I would expect the ridge in Texas to be shunted into the south, not likely to see the H5 anomaly migrate north. All these factors to me suggest that the ridge in TX/Gulf will likely be stout and not shift around enough to allow the Carib wave (92L) to come westward into the the yucantan/mexico.
As far as intensity goes this thing can really take pretty quickly as the low level winds look great and that combined with the extreme heat content down there may result in a power cyclone in the coming days.
Here a look at the 12z intensity plots.
Surprised there has been no Ernesto comparison
rip sir reginald poopums iii
If the blog goes GW today...I am catching the first boat.
She's going to be a very organized cook. If she comes your way, get out of her kitchen!
Not sure timing is the main problem. :^)
Save me a seat too!
I think it causes hair loss and bad breath too.
Hiding behind JFV's shower curtain
yes i saw it on the news and that is also what my teacher says
LOL
bahahahahhaha!
I'm interested in the fact that you have 2 of the top 4 hottest summers in 2006 and 2010, and the other 2 are 1934 and 1936. And directly in the middle of these 2 time periods you have the late 70's when there was the global cooling scare.
Is this evidence of a cycle? What were the atmospheric conditions in the mid-30's/late-70's? How does the solar activity of these 2 time periods compare to now?
Thanks.
Yeah...but you throw a second storm in there and we automatically get a FujiFilms effect. ;-) Next thing you know, Barney's Bowl-O-Rama is on top of Forbidding Widow's Peak!
As you can tell, I'm no Cantore!
the ice age was likely caused by global warming
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