Florida Weather

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FlaWeatherDude
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Re: Florida Weather

#13621 Postby FlaWeatherDude » Thu Dec 20, 2018 7:53 pm

Melbourne NWS is the only jurisdiction that has not declared a high wind advisory for Friday. Strange.
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Re: Florida Weather

#13622 Postby northjaxpro » Thu Dec 20, 2018 7:54 pm

The squall line out of the Gulf has held up all afternoon into this evening. But Iagree with Psyclone that it looks as if all the juice and energy the atmosphere had has seemingly gave it all up at this point. The storms along that line are not anywhere near any severe criteria. It will provide some more downpours hopefully later on tonight for the parched areas of South Central and South Florida.hopefully.

However, I think the severe weather chapter of this particular storm system looks to be done..
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Re: Florida Weather

#13623 Postby northjaxpro » Thu Dec 20, 2018 8:14 pm

Wind has been gradually increasing tonight as the tight pressure gradient with the intensifying Low Pressure area, currently over Southeast Alabama at 995 mb and moving northeast.

Wind is blowing between 10 -15 mph currently, but will increase to 20-25mph with gusts to over 30 mph by.early tomorrow morning. Wind advisory is in effect across all of North Florida now through tomorrow afternoon. There could be wind gusts to near 40 mph in some areas, especially tomorrow morning as the intense Low Pressure area moves northeast away from the region.
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Re: Florida Weather

#13624 Postby gatorcane » Thu Dec 20, 2018 8:30 pm

Winds at my locale right now are weak, I guess they will pick up tonight and tomorrow.
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Re: Florida Weather

#13625 Postby boca » Thu Dec 20, 2018 10:15 pm

For this area this was some moderate rain which we needed and no just sprinkles here. This won’t dent the drought at all because we didn’t have the prolonged rain that Tampa and Orlando received and points north of there. I’m hoping in January these system will dig further south that we can finally benefit from a good stratiform rain event. I was hoping I was wrong with this system, but I wasn’t.
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Re: Florida Weather

#13626 Postby HurricaneBelle » Thu Dec 20, 2018 10:38 pm

As promised, winds starting to pick up - both KTPA and KPIE are currently gusting over 30 MPH, and it should pick up even more overnight into morning.
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Re: Florida Weather

#13627 Postby FLpanhandle91 » Thu Dec 20, 2018 11:19 pm

Not a professional weather station, but my sensor is measuring 990mb in Fort Walton Beach.

Image
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Re: Florida Weather

#13628 Postby TheStormExpert » Fri Dec 21, 2018 3:05 am

Weather.com is such useless click-bait these days. :roll:

Florida Slammed by Tornadoes: 'Overwhelmed with Damage'
https://weather.com/news/news/2018-12-20-florida-storms-severe-tornadoes-impacts
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Re: Florida Weather

#13629 Postby Tampa Bay Hurricane » Fri Dec 21, 2018 5:17 am

Yesterday had 4 inches of rain and wind gusts to 55 mph in Clearwater and 59 mph at fort desoto in st Pete. Been a windy night with howling winds- gusting easily to 50 mph in these bands that are very much like tropical storm Squalls.
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Re: Florida Weather

#13630 Postby AJC3 » Fri Dec 21, 2018 5:21 am

FlaWeatherDude wrote:Melbourne NWS is the only jurisdiction that has not declared a high wind advisory for Friday. Strange.


Our office only issues those for the first period, however It's been mentioned in our AFDs for the last several days that one would be needed for today.

It's in effect now.
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Re: Florida Weather

#13631 Postby northjaxpro » Fri Dec 21, 2018 6:58 am

Happy Winter Solstice Day everyone!!

Just think after today, we go the other way and we will gain daylight each day gradually.But, the coldest weather is still to come within the next couple of months should Mother Nature allow the set-up of course.


A record 996.4 mb barometric pressure reading was officially measured at the NWS Jax WFO earlier this morning. This is the lowest barometric pressure reading ever observed for the month of December. This record was originally set way back in 1875. The old record was 997.3 mb .

This is a rather extraordinary feat produced by this storm system. It truly is a well developed southern jet system. I touched on this briefly in a post yesterday, but the only huge component this storm system really lacked was the cold air source. The polar jet simply did not transport south an modified arctic air source into this system.

We had a similar southern stream system to come across the region back during December 8-10. This produced that huge major winter storm in NC/VA I tracked that system in its entire evolution. That storm did have a polar air mass source, a 1035 mb High, that bought down the cold with the polar jet, which phased with the southern stream across the Southern Appalachians/Mid Atlantic region.

There is no doubt in my mind if this current storm would have had a similar cold air source, we would have had seen a major winter storm over many areas of the Deep South, and that really could have been something.

Thankfully, we once again escaped the severe weather across North Florida, while there were some tornado warnings issued yesterday over Manatee , Polk and for Volusia counties. I have not seen any damage reports or injuries/fatalities through early this morning on the news thank God for that!

The warm front yesterday which lifted north. up the peninsula , did two critical things. First, it gave North and Central Florida more significant rainfall across the region. 2-4 inches of rain was common across the specified aress. However, the widespread swath of rainfall yesterday kept the atmosphere stable to put a lid on the severe weather potential across much of the peninsula yesterday. Also, a mid level dry slot developed across the region early yesterday afternoon, which really helped to keep rain amounts from being even more greater than what occured.

The intense Low Pressure area is finally beginning to pull away to the northeast. It is currently in extreme Northeast Georgia at 988 mb at 06Z this morning.. There is a large, wrap around moisture field on the back side of this system. There will be some light rain across North Florida up until about early afternoon. The tight pressure gradient defnitely is being felt here at my home this morning. Wind has been blowing steady 20-25 mph, with gusts over 30 mph early this morning. I had a wind gust to 34 mph last hour. Wind advisory remains in effect all of today across the region.

All things considered, we are fortunate that we escaped the severe weather for the most part with this system. I hate the fact that down in South Florida and our Storm2K family members did not get the appreciable rainfall they need down in South Florida with this system. The central and northern peninsula up here keeps getting inudated unfortunately. We do not need any more rain. I have now received over 1 foot of rain here at my locale since November 1 with yesterday's total included. Wow!

Keep the faith Gatorcane, Boca, SFL Cane, and all the rest of you down there. Mother Nature always balances things out one way or the other. The rain will come down that way.

We need a nice weather break for a few days. We may get that after this weekend through Christmas. We will get a bit chilly Sunday morning up here with mid-upper 30s, but no freeze is anticipated.
Last edited by northjaxpro on Fri Dec 21, 2018 8:33 am, edited 1 time in total.
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Re: Florida Weather

#13632 Postby Tampa Bay Hurricane » Fri Dec 21, 2018 8:33 am

Wow! Wind gust to 71 mph at Clearwater Beach Buoy At 4 AM this morning!
https://www.ndbc.noaa.gov/station_page. ... tion=cwbf1
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Re: Florida Weather

#13633 Postby NDG » Fri Dec 21, 2018 8:34 am

Woke up to sunny skies then 5 minutes later heavy showers with a morning rainbow. A very cold & unstable atmosphere is on top of us, I wonder if some gulf coastal areas down in SW FL will see any funnel clouds or even waterspouts from some of these showers moving in from the gulf this morning.

BTW, sounding this morning from the Tampa Bay area showed 119 knot winds at H50!!!!!!
50 knot winds at H85, so not surprised at all that some of those stronger showers coming off the gulf this morning could bring winds gusts close to 60 mph if not higher.
Last edited by NDG on Fri Dec 21, 2018 8:42 am, edited 1 time in total.
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Re: Florida Weather

#13634 Postby NDG » Fri Dec 21, 2018 8:39 am

Tampa Bay Hurricane wrote:Wow! Wind gust to 71 mph at Clearwater Beach Buoy At 4 AM this morning!
https://www.ndbc.noaa.gov/station_page. ... tion=cwbf1


Buoy just offshore from St Pete Beach is reporting 13 foot waves, very rare to see such high waves over the coastal shallow waters of the gulf.
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Re: Florida Weather

#13635 Postby TheStormExpert » Fri Dec 21, 2018 9:06 am

What a deep UL trough digging down across the SE U.S.! The first frontal boundary looks to be on the heels of Jamaica in the Western Caribbean at this moment.

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Re: Florida Weather

#13636 Postby SFLcane » Fri Dec 21, 2018 9:11 am

Squall was a complete dud in my view but what's new for SFL VERY difficult to keep intact all the way down here. Not many report of significant damage anywere in the peninsula. Winds dead calm here in Pompano beach as of 9am..
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Re: Florida Weather

#13637 Postby Tampa Bay Hurricane » Fri Dec 21, 2018 9:14 am

SFLcane wrote:Squall was a complete dud in my view but what's new for SFL VERY difficult to keep intact all the way down here. Not many report of significant damage anywere in the peninsula. Winds dead calm here in Pompano beach as of 9am..

I do really hope you guys get more action down in south Florida- it seems these systems if we can get some more southerly tracks like in January of 2016 we can get some good storms down there.
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Re: Florida Weather

#13638 Postby northjaxpro » Fri Dec 21, 2018 9:42 am

TheStormExpert wrote:What a deep UL trough digging down across the SE U.S.! The first frontal boundary looks to be on the heels of Jamaica in the Western Caribbean at this moment.

]



Indeed, the models were spot on with regards of the depth of this very deep cold upper level air aloft with this system.

As I mentioned above in my summary post about this storm, just imagine if the cold air would had been in place at the surface?

Man, if only we would have had that component today!!
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Re: Florida Weather

#13639 Postby Patrick99 » Fri Dec 21, 2018 10:11 am

boca wrote:For this area this was some moderate rain which we needed and no just sprinkles here. This won’t dent the drought at all because we didn’t have the prolonged rain that Tampa and Orlando received and points north of there. I’m hoping in January these system will dig further south that we can finally benefit from a good stratiform rain event. I was hoping I was wrong with this system, but I wasn’t.


Yup, this was a big disappointment in Miami as well. We received a small band of moderate rain, nothing more - honestly, barely more than any number of garden-variety frontal passages. Even the winds were trivial.
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Re: Florida Weather

#13640 Postby NDG » Fri Dec 21, 2018 10:13 am

Driving into Citrus Country this morning, storms in from Gulf mean business, with lightning and all, a very cold & unstable atmosphere on top of us.
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