ATL: HANNA - Remnants - Discussion

[Aric Dunn]

I'm glad to read it will not have too much wind. Little worried about power for our hospitals.

Dont get stuck on that idea yet.. you know how this goes..

[supercane4867]

TXNT27 KNES 221824
TCSNTL

A. TROPICAL DISTURBANCE (91L)

B. 22/1731Z

C. 24.7N

D. 88.3W

E. FIVE/GOES-E

F. T1.0/1.0

G. IR/EIR/VIS

H. REMARKS...LARGER THAN 2/10 BANDING RESULTED IN A DT OF 1.0. MET AND
PT ARE 1.0. FT IS BASED ON DT.

I. ADDL POSITIONS

NIL


...ZHU

[lrak]

I'm glad to read it will not have too much wind. Little worried about power for our hospitals.

Dont get stuck on that idea yet.. you know how this goes..

ACK!!!

I Googled backup generators for hospitals. Major ones have 4 days and the rural ones have 1 to 2 days of backup power.

[Stormcenter]

This system will also affect a good portion of the LA.
coast.

[tiger_deF]

Seems like the opposite of Gonzalo, while gonzalo is a very small compact system surrounded by large amounts of dry air, 91L is a large area of moisture and convection in a moist environment with a much broader, shallower llc

[HurricaneBrain]

It has 48 hours over warm Gulf waters and little shear, it’s not going poof...

looks like its fixing to go poof again. Just like 90l did in the evenings

[TexasSam]

Sounds like the door is open for a PTC at minimum.

Don't they usually wait on PTC advisories until they want to issue watches? In that case, we would probably have to wait until tomorrow.

Ok you got me on this one. PTC??

[jaguars_22]

Just havent seen the blow up around the center lately and convection looks like its waning... Just my opinion and its hard to see where exactly the center is

[davidiowx]

Sounds like the door is open for a PTC at minimum.

Don't they usually wait on PTC advisories until they want to issue watches? In that case, we would probably have to wait until tomorrow.

Ok you got me on this one. PTC??

Potential Tropical Cyclone

[BobHarlem]

Sounds like the door is open for a PTC at minimum.

Don't they usually wait on PTC advisories until they want to issue watches? In that case, we would probably have to wait until tomorrow.

Ok you got me on this one. PTC??

Potential Tropical Cyclone advisories, they introduced this a few years back to handle the case of rapidly developing systems near the coast. It's only used when a system is not quite a depression, but expected to be a storm before the watch/warning window is up. They only use it if they need to put up Tropical Storm Watches/Warnings before a storm has technically formed. TV Weather people tend to hate it because it confuses folks. Not to be confused with Post Tropical Cyclone, which also shares the acronym.

[abk_0710]

Where are we thinking the watches and warnings will be setting up in LA?

[TexasSam]

Don't they usually wait on PTC advisories until they want to issue watches? In that case, we would probably have to wait until tomorrow.

Ok you got me on this one. PTC??

Potential Tropical Cyclone

Thanks!

[HurricaneBrain]

If you’re looking at the IR on Levi’s site, the frame jumps from 16:02Z to 17:32Z which is a glitch in the data. It gives an illusion that it significantly collapsed. That’s why it seems like such a dropoff in convection and structure. It’s actually maintaining its current structure, spin, and convection from an hour or so ago.

Just havent seen the blow up around the center lately and convection looks like its waning... Just my opinion and its hard to see where exactly the center is

[captainbarbossa19]

Don't they usually wait on PTC advisories until they want to issue watches? In that case, we would probably have to wait until tomorrow.

Ok you got me on this one. PTC??

Potential Tropical Cyclone advisories, they introduced this a few years back to handle the case of rapidly developing systems near the coast. It's only used when a system is not quite a depression, but expected to be a storm before the watch/warning window is up. They only use it if they need to put up Tropical Storm Watches/Warnings before a storm has technically formed. TV Weather people tend to hate it because it confuses folks. Not to be confused with Post Tropical Cyclone, which also shares the acronym.

I still don't understand why the hurricane center decided to start using this terminology. I know that it's purpose is to help raise awareness of a storm's presence, but I think for many people, it is quite confusing.

[HurricaneEnzo]

It has 48 hours over warm Gulf waters and little shear, it’s not going poof...

looks like its fixing to go poof again. Just like 90l did in the evenings

I don't think so either. The air around seems to be at least fairly moist and if there is moisture to be found in the area that huge circulation is definitely gonna feed on it lol.

[Stormcenter]

The entire structure of the storm looks impressive
but I am having a difficult time locating the exact
center. IMO

https://cdn.star.nesdis.noaa.gov//GOES1 ... 0x1000.gif

[Hammy]

Ok you got me on this one. PTC??

Potential Tropical Cyclone advisories, they introduced this a few years back to handle the case of rapidly developing systems near the coast. It's only used when a system is not quite a depression, but expected to be a storm before the watch/warning window is up. They only use it if they need to put up Tropical Storm Watches/Warnings before a storm has technically formed. TV Weather people tend to hate it because it confuses folks. Not to be confused with Post Tropical Cyclone, which also shares the acronym.

I still don't understand why the hurricane center decided to start using this terminology. I know that it's purpose is to help raise awareness of a storm's presence, but I think for many people, it is quite confusing.

I believe it was a response to Hurricane Sandy becoming extratropical before moving inland as well as several instances of storms developing rapidly before moving inland even though there was a trackable precursor disturbance.

[HurricaneEnzo]

Potential Tropical Cyclone advisories, they introduced this a few years back to handle the case of rapidly developing systems near the coast. It's only used when a system is not quite a depression, but expected to be a storm before the watch/warning window is up. They only use it if they need to put up Tropical Storm Watches/Warnings before a storm has technically formed. TV Weather people tend to hate it because it confuses folks. Not to be confused with Post Tropical Cyclone, which also shares the acronym.

I still don't understand why the hurricane center decided to start using this terminology. I know that it's purpose is to help raise awareness of a storm's presence, but I think for many people, it is quite confusing.

I believe it was a response to Hurricane Sandy becoming extratropical before moving inland as well as several instances of storms developing rapidly before moving inland even though there was a trackable precursor disturbance.

Yeah it's hard to find a 'perfect' way to do it. I feel like this will get the word to more people than the previous way of doing business. At least give some folks that take heed an advanced warning instead of dropping a TS warning on them a couple of hours before a system landfalls.

Back to the storm, hopefully the fact that it has such a large circulation will at least help keep the intensity in check somewhat. Gonna have to work harder than a much smaller system would. No time to let your guard down though as 2 or 3 days over the Gulf is still plenty of time.

[jaguars_22]

Im wondering if the center is in the middle of the 2 areas of convection. I see spin but its weird

[EquusStorm]

I've wondered if Bill in 2015 could have been a major impetus for the development of PTC designation, as it was exactly the type of scenario that said designation was designed to assist