ATL: IDALIA - Post-Tropical - Discussion

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Re: ATL: IDALIA - Tropical Storm - Discussion

#1541 Postby zzzh » Mon Aug 28, 2023 5:21 pm

I'd wait for the dropsonde to confirm the pressure.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1542 Postby CrazyC83 » Mon Aug 28, 2023 5:21 pm

Fancy1002 wrote:
Extratropical94 wrote:980.8 mb on first NOAA pass.

That’s pretty low for a tropical storm isn’t it?


Yes it is, usually that happens with larger storms.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1543 Postby chaser1 » Mon Aug 28, 2023 5:21 pm

Looks stationary to me and given the potential eye attempting to open up I'm guessing that it's likely deepening atm.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1544 Postby Extratropical94 » Mon Aug 28, 2023 5:22 pm

Fancy1002 wrote:
Extratropical94 wrote:980.8 mb on first NOAA pass.

That’s pretty low for a tropical storm isn’t it?


Might actually be closer to 985ish, given the low bias of NOAA extrapolations earlier today.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1545 Postby jdjaguar » Mon Aug 28, 2023 5:22 pm

Fancy1002 wrote:
Extratropical94 wrote:980.8 mb on first NOAA pass.

That’s pretty low for a tropical storm isn’t it?

pressures drop first
then come the winds
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1546 Postby RedRiverRefuge » Mon Aug 28, 2023 5:22 pm

Does anyone remember what IAN did within 24 hours? Like a 90 mile shift south. For those new to Florida….Many may see the shift west and feel all warm and fuzzy. Don’t go there just yet…Stay Vigilant!
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1547 Postby ScottNAtlanta » Mon Aug 28, 2023 5:24 pm

Zonacane wrote:
ScottNAtlanta wrote:Don't forget...the NOAA plane has been about 5mb too low when reporting pressures

NOAA and AF planes have been reporting the same pressure

The NOAA pressures on their extrapolated obs have been too low as opposed to the AF plane. The dropsondes have been correct
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1548 Postby NDG » Mon Aug 28, 2023 5:24 pm

Extrap 980 from h70 cruising altitude would probably mean ~982-983mb, not bad for being that sheared and free of deep convection in the W & NW quadrants.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1549 Postby chaser1 » Mon Aug 28, 2023 5:25 pm

Gonna go out on a limb and guess 75 knots by the time the current mission has ended this evening.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1550 Postby ScottNAtlanta » Mon Aug 28, 2023 5:26 pm

chaser1 wrote:Gonna go out on a limb and guess 75 knots by the time the current mission has ended this evening.

I'd say that's probably correct too
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1551 Postby Zonacane » Mon Aug 28, 2023 5:28 pm

ScottNAtlanta wrote:
Zonacane wrote:
ScottNAtlanta wrote:Don't forget...the NOAA plane has been about 5mb too low when reporting pressures

NOAA and AF planes have been reporting the same pressure

The NOAA pressures on their extrapolated obs have been too low as opposed to the AF plane. The dropsondes have been correct

The planes are collecting data at different heights in the storm
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1552 Postby NDG » Mon Aug 28, 2023 5:28 pm

chaser1 wrote:Gonna go out on a limb and guess 75 knots by the time the current mission has ended this evening.


It will be the ugliest hurricane on radar lol.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1553 Postby dkommers » Mon Aug 28, 2023 5:29 pm

Just wanted to mention two useful tips for those in the path of the storm. Cheap flashlights can be found in Home Depot or Lowes in the landscape section, buy the solar landscape lights. They are really cheap, can be charged during the day outside, and used inside where needed. Also make sure your fence is attached to your house with Tapcons. Oftentimes the post is only cemented in the ground next to the house but not physically attached to it. In many cases it changes how the insurance carrier grants coverage. I've had many clients get the fence covered by their policy or even lose coverage of thousands of dollars for just a couple dollars of screws.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1554 Postby PavelGaborik10 » Mon Aug 28, 2023 5:29 pm

Seems to be intensifying at a pretty decent clip, pressure a bit lower than I was anticipating.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1555 Postby LandoWill » Mon Aug 28, 2023 5:32 pm

The tampa met's slide from WATCH OUT STORM to "surge" at 5pm was quite interesting, gotta keep the public engaged when they evacuate people.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1556 Postby FLLurker32 » Mon Aug 28, 2023 5:33 pm

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Re: ATL: IDALIA - Tropical Storm - Discussion

#1557 Postby chaser1 » Mon Aug 28, 2023 5:33 pm

dkommers wrote:Just wanted to mention two useful tips for those in the path of the storm. Cheap flashlights can be found in Home Depot or Lowes in the landscape section, buy the solar landscape lights. They are really cheap, can be charged during the day outside, and used inside where needed. Also make sure your fence is attached to your house with Tapcons. Oftentimes the post is only cemented in the ground next to the house but not physically attached to it. In many cases it changes how the insurance carrier grants coverage. I've had many clients get the fence covered by their policy or even lose coverage of thousands of dollars for just a couple dollars of screws.


Cheaper yet (for regular flash light and solar) -Dollar Tree
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1558 Postby Extratropical94 » Mon Aug 28, 2023 5:33 pm

00985 10017

Center drop 985 mb with 17 knots. Pressure around 983.
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1559 Postby Zonacane » Mon Aug 28, 2023 5:35 pm

Don't see any real shear on the two dropsonde to the north of the storm
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Re: ATL: IDALIA - Tropical Storm - Discussion

#1560 Postby eastcoastFL » Mon Aug 28, 2023 5:37 pm

RedRiverRefuge wrote:Does anyone remember what IAN did within 24 hours? Like a 90 mile shift south. For those new to Florida….Many may see the shift west and feel all warm and fuzzy. Don’t go there just yet…Stay Vigilant!


I wouldn't get warm and fuzzy unless it has already moved north of your location. Even that didn't work out for me with Jeanne.
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