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Low in W. Carib now up to a 70% chance of development. Parts of FL will be on the wet side of the system N Gulf and Florida should watch.
Days since last H. Landfall - US: Any 228 (Nate) , Major: 246 (Maria) Florida - Any: 255 (Irma) Major: 255 (Irma)
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Expansive Hybrid Invest 90L a Flood Threat and Could Get Named

Posted: 03:17 AM 24 May 2018 | | Add Comment



A Central American Gyre (CAG) interacting with a stubborn mid-upper level trof over the southern states and Gulf is producing an area of disturbed weather that is gradually organizing in the northwest Caribbean. This expansive hybrid system is being tracked as Invest 90L - not to be confused with the similar, but less coherent, hybrid feature we were watching in the GOM just ten days ago.

What is truly remarkable, is how stubborn this pattern continues to be, already having flipped the Florida dry season on its head in next to no time, and now with even greater chances of a named system, one possibly lingering for several days to come.

With nearly all subtropical and tropical cyclones in general, and certainly the slower moving ones in particular, inland flooding is by far the greatest threat to life and property, and that would be no surprise here, especially given how saturated much of the area already is, and how long this system - and its parents, the Upper Trof and/or the Central American Gyre, may stick around.

According to Dr. Klotzbach, since 1950 only 8 named storms have formed during the last week of May in the Atlantic. In fact, no named storms on record have formed in the GOM at all during this time, so should 90L become Alberto here (very possible), it would indeed be something for the books.

Tropical or subtropical cyclogenesis could happen as soon as later today, with odds forecast to be increasing heading into the weekend. Recent ship and buoy reports suggest that maximum sustained winds associated with 90L may already be on the rise, and based on satellite imagery, so is deep convection. Thus, it would not be inconceivable to see NHC begin advisories on this "Potential Tropical Cyclone" prior to formation given how close it is to land. (In fact, at the time of this entry, 90L's "center" appears to be inland or just barely offshore of the Yucatan).

Invest 90L Model Discussions and Speculations 90L Lounge

Northeast Gulf Links Southeast Composite Radar Loop (Latest Static)

Tampa Bay, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Key West, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Mobile, AL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Tallahassee FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Northwest Florida Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Gulf of Mexico Satellite Imagery

SFWMD Full Florida Radar (Includes east LA, MS,AL) Loop with Storm Track

Area Forecast Discussions: New Orleans - Mississippi/Alabama/Pensacola - Panhandle/Tallahassee - Tampa/West Central Florida

East Florida Links Southeast Composite Radar Loop (Latest Static) South to North:

Key West, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Miami, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Melbourne, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Jacksonville, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)


Caribbean/South East Coast Satellite Imagery


SFWMD Radar Loop of South Florida with storm Track


SFWMD Full Florida Radar Loop with Storm Track


Area Forecast Discussions: FLorida Keys - Miami/South Florida - Melbourne/East Central Florida - Jacksonville/Northeast Florida -


90L Event Related Links


Animated Skeetobite Model Plot of 90L


stormplotthumb_1.gif

SFWMD Model Plot (Animated Model Plot) SFWMD Hurricane Page
Clark Evans Track Model Plot of 90L (Animated!) Model Plots in Google Earth - In Google Maps
Clark Evans Intensity Model Plot of 90L (Animated!)

Clark Evans Track Plot of 90L

Other Model Charts from Clark

Clark Evans Top 10 Analog Storms for 90L
More model runs on from RAL/Jonathan Vigh's page
NRL Info on 90L -- RAMMB Info

Floater Satellite Images: Visible (Loop), IR (Loop), WV (Loop), Dvorak (Loop), AVN (Loop), RGB (Loop), Rainbow (Loop), Funktop (Loop), RB Top Loop)

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Rain For Florida and Early Development Possible

Posted: 04:45 PM 13 May 2018 | 6 Comments | Add Comment | Newest: 06:24 PM 21-May EDT

This area in the Gulf of Mexico has gotten itself together fairly quickly, and the NHC issued a special tropical weather outlook with a 40% chance for tropical or subtropical development.

The biggest story here will be rainfall, upwards of 5-6 inches in parts of the Florida peninsula.

This system isn't purely tropical now, but it could become a small tropical storm before it would eventually landfall (probably somewhere in the Panhandle Wednesday or Thursday) However, most of the rainfall energy will be well to the east, which should drive the rainy weather toward the Florida peninsula. 5-6 inches in a few places, possibly.

There are signals of increased divergence aloft, which is what would be needed for something tropical or subtropical to form in the system. Shear is still fairly strong, but weakening a bit, with both the GFS and European models showing this area developing into a tropical or subtropical storm in 3 days or so



No invest area currently exists, but likely will soon.

Speculation can be found in The Forecast Lounge

Report what you are seeing where you are at here if you would like.

Northeast Gulf Links Southeast Composite Radar Loop (Latest Static)

Tampa Bay, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Key West, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Mobile, AL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Tallahassee FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Northwest Florida Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Gulf of Mexico Satellite Imagery

SFWMD Full Florida Radar (Includes east LA, MS,AL) Loop with Storm Track

Area Forecast Discussions: New Orleans - Mississippi/Alabama/Pensacola - Panhandle/Tallahassee - Tampa/West Central Florida
test
East Florida Links Southeast Composite Radar Loop (Latest Static) South to North:

Key West, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Miami, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Melbourne, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)

Jacksonville, FL Radar Long Range Radar Loop (Latest Static) Base (Static) 1 HR Rainfall (Static) Storm Total Rainfall (Static)


Caribbean/South East Coast Satellite Imagery


SFWMD Radar Loop of South Florida with storm Track


SFWMD Full Florida Radar Loop with Storm Track


Area Forecast Discussions: FLorida Keys - Miami/South Florida - Melbourne/East Central Florida - Jacksonville/Northeast Florida -

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CFHC 2018 The Year Ahead

Posted: 12:19 AM 01 January 2018 | 3 Comments | Add Comment | Newest: 06:58 AM 09-Apr EDT

This is our 23rd year tracking storms, and the season starts June 1st, 2018.

This coming year is expected to be above average again, but hopefully not like Harvey, Irma, Maria and Nate were this past year.

We'll be watching the tropics once again.

More to come later!

Facebook Update Posted
03:17 am 24-May-2018 EDT

New Article: Expansive Hybrid Invest 90L a Flood Threat and Could Get Named https://t.co/A1iFilgcud

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