Gert brushing Bermuda; a new all-time 1-day rainfall record for NYC
Tropical Storm Gert, the 7th named storm of the Atlantic hurricane season, is here. Gert's formation on August 14 marks the 4th earliest date for the season's 7th storm. Only 2005, 1995, and 1936 have had an earlier formation of the season's 7th storm. Gert will pass very close to Bermuda today, but thus far the island has had no wind or rain from Gert, with top winds at the Bermuda Airport of just 9 mph as of 10 am EDT. Radar out of Bermuda shows the rains from Gert are staying just offshore, moving northward, parallel to the island. An Air Force hurricane hunter aircraft is in the storm, and has found that Gert has not changed much in intensity since last night. Top surface winds seen by their SFMR instrument this morning as of 10am EDT were 48 mph, though higher winds of 58 mph that may be erroneous due to rain interference were measured. It currently appears that Gert's northerly motion will keep virtually all of the storm's rains just offshore from from Bermuda. Gert should not trouble any land areas after moving past Bermuda.

Figure 1. Morning radar image of Gert from the Bermuda radar .
Elsewhere in the tropics
The disturbance we've been tracking over the past few days in the open Atlantic between Africa and the Lesser Antilles, Invest 93L, has regenerated a modest amount of heavy thunderstorms and will bring heavy rain showers and gusty winds to the Lesser Antilles today and Tuesday as it moves westwards through the islands at 15 - 20 mph. Dry air surrounds 93L, and is interfering with development. However, the disturbance is steadily moistening its environment and is under low wind shear of 5 - 10 knots, so could begin to organize over the next few days as it tracks across the Caribbean. The latest 06Z run of the NOGAPS model is showing weak development of 93L once it reaches the western Caribbean, with a track over Mexico's Yucatan Peninsula and into the Gulf of Mexico by this weekend. Stay tuned.

Figure 2. Radar-estimated rainfall for the past 2 days from the Long Island, NY radar.
New York City sets an all-time 1-day rainfall record
A long series of "training" thunderstorms that each moved along the same path deluged the New York City and Newark areas yesterday, smashing an all-time 1-day rainfall record at New York City's JFK Airport, which recorded 7.80 inches of rain. It was the most rain at JFK since record keeping began in 1948. The previous record was a 6.3" deluge on June 30, 1984. New York City's official measuring site, Central Park, got 5.81" yesterday, the fifth wettest day on record there. The 6.40" that fell on Newark, NJ yesterday was that city's 2nd heaviest 1-day rainfall in history, next to the 6.73" that fell on November 3, 1977.
Jeff Masters
Reader Comments
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LOL
Whoppa Choppa
Correct, I was referring to the lack of expansion of the upper levels in relation to the lower levels. Emily never seemed to mature proportionately. Really!!!
TS BUSTED FORECAST ALIBI
No that shows it raining on the east side of Houston again. :P
It's kind of a double-edged sword. On one hand, high temperatures are usually accompanied by strong subsidence, which promotes sinking air and inhibits convection. On the other hand, continuous cloudless heat significantly warms the ocean, thereby promoting instability whenever the dry air is eradicated.
No rain in my part of Houston either :o(
32.7n62.9w, 33.9n62.2w are now the most recent positions
Starting 15August_12amGMT and ending 16August_12amGMT
The 4 short line-segments represent TS.Gert's path and
the longest line-segment is its straightline projection.
TropicalStormGert's travel-speed was 15.3mph(24.7k/h) on a heading of 25.9degrees(NNE)
Using straightline projection of the travel-speed&heading derived from the ATCF coordinates spanning the 6hours between 6pmGMT then 12amGMT :
TS.Gert was headed toward passage over Melasveitarvegur,Iceland ~1week6hours from now
Copy&paste 29.6n63.2w-30.6n63.4w, 30.6n63.4w-31.5n63.3w, 31.5n63.3w-32.7n62.9w, 32.7n62.9w-33.9n62.2w, bda, rkv, 32.7n62.9w-64.41n22.04w into the GreatCircleMapper for more info
The previous mapping (for 15August_6pmGMT)
*wink wink*
HA. I gotta see this......
Blink fast enough, and he stands still. :)
All in all, I don't think heat is a cause, more so its the dry air causing the air to warm up and therefore that is the problem, dry air is the problem over hot air.
But mostly a bust.
Return from a short trip to the see the Grand Kids and get home to find the tropics fired up while I was off-netted.
We got an inch here from the remnants of Fay. A few other notable storms that I can remember was Hanna and Ernesto, which caused flooding problems though not as bad as Gaston. Hanna came and gone quite quickly. I only remember bits and pieces of Floyd though.
Hope you don't lose sleep over this!
"The Hebert Box was "discovered" in the late 1970s by Paul Hebert. This former NWS & NHC forecaster found many major Hurricanes that hit South Florida had to first pass through these boxes. The first box is located east of Puerto Rico and the second box is located over the Cayman Islands. Every Major Hurricane that passed through Box 2 late in the year, hit the Florida Peninsula prior to 1950. Hebert says that a Hurricane does not have to pass through these boxes to hit, but if they do "you better pay attention". The 1935 Labor day Hurricane that devastated the Florida Keys developed west of this box and Hurricane Andrew passed NE of this box, so there are exceptions to the rule.
If Floridians want an indication of a possible hit they need to keep an eye on any hurricane that passes through these boxes. Nearly every major Hurricane that hit S Florida since 1900 passed through these boxes. When major Hurricanes miss these boxes,they virtually always miss South Florida. If a major Hurricane moves into these boxes South Florida really needs to watch out. These boxes approx 335 miles x 335 miles includes the Virgin Islands but not Puerto Rico. The pattern has proven accurate for 9 out of 10 storms storms that developed & hit Dade,Broward & Palm Bch Counties."
LOL!!!
Presslord,,the Church looks familiar ?
Need to know list? Where does that come from? BTW, me and Grothar talk often, so I know plenty, bub.
By far though the worst storm for me was Isabel, and I can tell that yours was Ivan.
Very cool!!
I'm not sure that there is an exact temperature at which instability becomes maximized over the ocean. However, I will say that instability, even over land, is driven largely by temperature gradients. Thus, temperature differences drive convection, all parameters being equal.
And a very Empty NOLA fer sure.
She was in the Street for all that footage press.
fact or none this site is not Gospel ,, always and i repeat always follow the NHC.. for anykind of info on storms forming and or in your area do not take any of this info on this site from bloggers for more than just blogs and guess/s as to were storms may go..
I went through Katrina while living on the MS gulf coast... that was HELL ON EARTH!!!
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