Dr. Jeff Masters' WunderBlog

Beneficial Barry
Posted by: Dr. Jeff Masters, 04:43 PM GMT am 03. Juni 2007 +3
Tropical Storm Barry is no more. Its remnants, now an extratropical storm with top winds of 40 mph over the ocean, are over the Mid-Atlantic coast, moving north-northeastward at 10 mph. Barry's remnants are expected to bring 1-3 inches of rain along the Mid-Atlantic and New England states through Monday. Was Barry really a tropical storm? I think it should have been named "Subtropical Storm Barry", and I hope NHC looks at the storm carefully to consider redesignating it after the season is over. Read Margie Kieper's View From the Surface blog for more on this.

On Saturday, Barry brought up to seven inches of rain to drought-parched Florida, including an official 6.99" to West Palm Beach, 4.07" to Jacksonville, 5.91" to Savannah Georgia, and 3.17" to Tampa. Barry's rains probably provided tens of millions of dollars of benefit--quite the opposite of what we're used to saying about tropical storms! The fire area near the Florida-Georgia border got between 1-5 inches of rain from Barry, which has dampened but not extinguished the fires. Barry's rains also helped a bit with the Florida drought. However, Barry's rains were only 1-2 inches over central Florida, and they need about 30 inches of rain to pull them out of drought conditions. The summer rainy season typically begins in June, so there is hope that substantial rains are on the way. There doesn't appear to be much rain coming this week, though.


Figure 1. Total rainfall from Barry for northern Florida, estimated by radar.

June outlook
My outlook for the first two weeks of June was posted Friday. I don't see anything on the horizon for the remainder of this week--wind shear is expected to be high most of this week over the favored breeding grounds for June storms--the Gulf of Mexico and Western Caribbean. Wind shear may drop enough over the Western Caribbean early next week to allow tropical storm formation, but that is too far in the future to guess at the probability of such an event.

This will be my last "live" blog until Monday June 11; it's time to grab a week of summer vacation while the tropics are quiet. I'm off to see Niagara Falls and the "Grand Canyon of the East", New York's awesome Letchworth State Park. I hope to get some good waterfall rainbow shots to add to my wunderphotos. I've written two canned blogs that will be posted Tuesday and Friday while I'm gone:

Tuesday--We've all used NHC's Tropical Weather Outlook, which most often this time of year says, "Tropical cyclone formation is not expected during the next 48 hours." How accurate are these outlooks? I'll present some verification statistics from 2005 and 2006.

Friday--The NHC made it's best track forecasts ever last year. How good are their forecasts now? Which of the various computer models performed the best last year? I'll have a breakdown of the numbers.

Arrogance
Our Climate Change blog by Dr. Ricky Rood has an interesting commentary on what the chief of NASA said last week in an NPR interview when asked, "Do you have any doubt that climate change is a problem that mankind has to wrestle with?"

Strongest tropical cyclone ever seen in Arabian Sea
Follow The View From the Surface blog this week to track Tropical Cyclone Gonu. Gonu is the strongest storm ever seen in the Arabian Sea, and could cause big trouble for the Persian Gulf oil rigs and tankers.

Jeff Masters
Categories: Fire
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951. RL3AO 04:20 AM GMT am 05. Juni 2007    
Gonu will approach the capital of Oman, which is a city of 600,000 right on the coast of the Gulf of Oman.
952. moonlightcowboy 04:30 AM GMT am 05. Juni 2007    
Posted By: Jedkins at 2:06 AM GMT on June 05, 2007.

…“ya well say what you want, but unless that SST map is not accurate or they are probably releasing that because its easier for the public to understand....And since the general public realy doesn't care about all the details and never will, all they need to do is make general statements like, "cooler water temps in its path" or "deep moisture moving into place" or "sharp temp contrast.” Hope you get my point.”

...yeah, well Jed, maybe your “point” should be that in most newscasts, weather only gets a couple of minutes to make their case. It isn't that the "general public" doesn't totally understand, or care. It's more of a time factor for explaining the "details" as you put it, than the public’s capacity to digest and discern information! There is news, sports and stuff called “commercials” that require time to pay the bills that all limit time. This is why “members” come to this site.
Member Since: Juli 9, 2006 Posts: 179 Comments: 28120
953. fldoughboy 04:47 AM GMT am 05. Juni 2007    
Gonu seems to be winding down from 160 to now 105. It seems to made it's way into the dust and dry air and is getting entrained in the storm.
I saw one model and it was suppose to nip Oman and go into Iran. The models then changed again to right around where it was this morning. Very strange.
954. thunder01 05:19 AM GMT am 05. Juni 2007    
Gonu is still cat 5. Wunderground maps have reverted 24 hours for some reason. Most recent fix has the storm at 155 mph sustained (not 105). Forecast to brush Oman as a cat 4, and hit Iran as a cat 1/2. Pretty incredible.
955. H2PV 05:22 AM GMT am 05. Juni 2007    
The navy, at this minute, says that Gonu is a cat 4/5 borderline hurricane.

Embedded in the image name is the windspeed, 135kts, and the datestamp of the image.


Gonu 135 kts, borderline Cat 4/5 hurricane.

I don't know why somebody would think this is a borderline cat 2/3 hurricane, 105 kts?

http://www.nrlmry.navy.mil/htdocs_dyn/tc_pages/
thumbs/IO/02A.GONU/pacific/southern_hemisphere/
vis/geo/vis/geo/1km_zoom/
20070605.0430.meteo7.x.vis1km_high.02AGONU.
135kts-904mb-209N-625E.100pc.jpg
956. sullivanweather 05:22 AM GMT am 05. Juni 2007    
Thunder, Gonu will be lucky to still be a CAT2 by the time it brushes Oman with all the dry air it is running into
Member Since: März 8, 2007 Posts: 269 Comments: 12491
957. H2PV 05:47 AM GMT am 05. Juni 2007    
Navy is predicting that Gonu will be a cat 3 or higher for the next 24 hours right up to it's brush with Onan.

Then, with at least a third of the storm overland cut off from it's fuel, it is predicted to plunge to high Cat 1.

Link

Fortunately it is hitting with it's soft left shoulder instead of the hard right. On the right shoulder the surge would still be cat 5 strength at landfall with 40 foot waves on top, basically as high as an eight-story building. They won't get most of that because they are on the left shoulder.
958. HOWIEEE 04:15 AM GMT am 08. Juni 2007    
BARRY WAS NEVER A TROPICAL STORM AT ALL ...ITS PURE BALONY . JUST PLAYING ALONG WITH THE CORRUPT MEDIA FOR NO GOOD REASON...LETS STICK TO REAL WEATHER SCIENCE. AND STOP TH B.S.
Member Since: Oktober 10, 2002 Posts: 3 Comments: 2
959. HOWIEEE 04:37 AM GMT am 08. Juni 2007    
THE HURRICNE SEASON IN THE SOUTHEN HEMISPHERE WAS VERY QUIET. I WATCHED THE WHOLE SEASON WITH ALL MY BEST SATTELLITES AND SAW ONE STRONG HURRICANE HIT MADAGASCAR WITH 130 MPH WINDS FOR TWO DAYS AND TWO OTHER CAT.ONE HURR. HIT THE SAME AREA. THERE WERE ABOUT FOUR OTHER SMALL STORMS THAT HIT NORTHERN AUSTRALIA THE REST WERE HARMLESS. IF WE ARE TO SEE THE SAME TAME HURR SEASON, THEN WE SHOULD SEE 10 NAMED STORMS, 3 HURR CAT 2 , AND ONE OR 2 CAT. 3 -- AND THE REST SMALL TS.OR CAT. ONE ...BASICALLY A MILD HURR SEASON. .I WAS RIGHT ON THE MONEY LAST YEAR 2006 BY GOING THE OPPOSITE OF THE BIGGIES FORECAST.. LETS HOPE IM RIGHT AGAIN THIS YEAR. OH YES THE GULF OF MEXICO SHOULD SEE THE MOST ACTION. I LIVE IN BOYNTON BEACH FL.AND SAW THE EYE OF WILMA COME RIGHT SMACK OVER MY HEAD, WITH THE LOWEST PRESS. OF 27.98 " hg. AND WIND EST,AT 120-125 AT THE WEST EYEWALL. WOW WHAT A THRILL. THAT WAS THE FIFTH EYE FOR ME IN THE LAST 55 YEARS. HAZEL IN 1954 WAS FANTASTIC 115 MPH ON MY BEACH. 16 FOOT WAVES. WOW.....HOWIE
Member Since: Oktober 10, 2002 Posts: 3 Comments: 2

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About JeffMasters
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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