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Message

re: Hurricane Florence - Catastrophic Flooding Potential

Posted on 9/14/18 at 3:53 pm to
Posted by fatboydave
Fat boy land
Member since Aug 2004
17979 posts
Posted on 9/14/18 at 3:53 pm to
quote:

Have they started discussing the plans to start a roux?

Unfortunately not. But they do have a source who can "rehab" the squirrels before sending them back into the wild.
Posted by lsuman25
Erwinville
Member since Aug 2013
43290 posts
Posted on 9/14/18 at 3:53 pm to
Tropical Storm Isaac Discussion Number 29
NWS National Hurricane Center Miami FL AL092018
500 PM AST Fri Sep 14 2018

It has been a very interesting flight of the NOAA Hurricane Hunter
aircraft this afternoon. Dropsonde and SFMR data indicate that the
maximum winds are around 35 kt again, and the pressure has fallen
to about 1002 mb. However, the system is tilted southward with
vertical height due to northerly shear, and scatterometer and
Hurricane Hunter tail-Doppler radar data indicate the system is
elongated from northeast to southwest, albeit closed. Note that the
plane was unable to sample the southwestern quadrant well because of
strong convection and intense lightning, so the flight-level winds
showing no circulation were unrepresentative.

The intensity forecast hasn't gotten any easier with Isaac.
Vertical shear is expected to decrease a bit more, which might
diminish the effects of dry air seen on water vapor images around
the cyclone. However, the GFS and ECMWF continue to insist that
Isaac will degenerate into a wave within the next 2 or 3 days, which
is almost unanimously supported by their respective ensemble
members. This is the solution that the official forecast follows.
It should be noted that none of the global models show pressures
this low now with Isaac, except the UKMET, and that model is the one
that holds onto the circulation the longest. The reality of the
situation is that the long-term future of Isaac is cloudy, and the
best advice is just to follow NHC advisories every 6 hours to see
if we gain any confidence.

Isaac is moving westward at about 12 kt. A ridge over the
southwestern Atlantic should steer the cyclone westward over the
weekend then west-northwestward early next week as Isaac reaches a
weaker portion of the ridge. Just like yesterday, a stronger system
would likely turn more to the west-northwest earlier, moving
closer to Jamaica. Since the system is forecast to be weaker, the
forecast lies on the westward and faster side of the guidance, and
should also be considered low confidence since it depends on the
intensity. Interests in Jamaica should monitor the progress of the
Isaac.


FORECAST POSITIONS AND MAX WINDS

INIT 14/2100Z 15.3N 68.2W 35 KT 40 MPH
12H 15/0600Z 15.4N 70.1W 35 KT 40 MPH
24H 15/1800Z 15.4N 72.2W 35 KT 40 MPH
36H 16/0600Z 15.7N 74.2W 35 KT 40 MPH
48H 16/1800Z 16.2N 76.3W 30 KT 35 MPH
72H 17/1800Z 17.5N 80.0W 25 KT 30 MPH
96H 18/1800Z...DISSIPATED

$$
Forecaster Blake
This post was edited on 9/14/18 at 3:55 pm
Posted by rt3
now in the piney woods of Pineville
Member since Apr 2011
147072 posts
Posted on 9/14/18 at 3:57 pm to
quote:

Tropical Storm Isaac Discussion Number 29
NWS National Hurricane Center Miami FL AL092018
500 PM AST Fri Sep 14 2018

It has been a very interesting flight of the NOAA Hurricane Hunter
aircraft this afternoon. Dropsonde and SFMR data indicate that the
maximum winds are around 35 kt again, and the pressure has fallen
to about 1002 mb. However, the system is tilted southward with
vertical height due to northerly shear, and scatterometer and
Hurricane Hunter tail-Doppler radar data indicate the system is
elongated from northeast to southwest, albeit closed. Note that the
plane was unable to sample the southwestern quadrant well because of
strong convection and intense lightning, so the flight-level winds
showing no circulation were unrepresentative.

The intensity forecast hasn't gotten any easier with Isaac.
Vertical shear is expected to decrease a bit more, which might
diminish the effects of dry air seen on water vapor images around
the cyclone. However, the GFS and ECMWF continue to insist that
Isaac will degenerate into a wave within the next 2 or 3 days, which
is almost unanimously supported by their respective ensemble
members. This is the solution that the official forecast follows.
It should be noted that none of the global models show pressures
this low now with Isaac, except the UKMET, and that model is the one
that holds onto the circulation the longest. The reality of the
situation is that the long-term future of Isaac is cloudy, and the
best advice is just to follow NHC advisories every 6 hours to see
if we gain any confidence.

Isaac is moving westward at about 12 kt. A ridge over the
southwestern Atlantic should steer the cyclone westward over the
weekend then west-northwestward early next week as Isaac reaches a
weaker portion of the ridge. Just like yesterday, a stronger system
would likely turn more to the west-northwest earlier, moving
closer to Jamaica. Since the system is forecast to be weaker, the
forecast lies on the westward and faster side of the guidance, and
should also be considered low confidence since it depends on the
intensity. Interests in Jamaica should monitor the progress of the
Isaac.


FORECAST POSITIONS AND MAX WINDS

INIT 14/2100Z 15.3N 68.2W 35 KT 40 MPH
12H 15/0600Z 15.4N 70.1W 35 KT 40 MPH
24H 15/1800Z 15.4N 72.2W 35 KT 40 MPH
36H 16/0600Z 15.7N 74.2W 35 KT 40 MPH
48H 16/1800Z 16.2N 76.3W 30 KT 35 MPH
72H 17/1800Z 17.5N 80.0W 25 KT 30 MPH
96H 18/1800Z...DISSIPATED

$$
Forecaster Blake

meaning...

Posted by jlc05
Member since Nov 2005
33409 posts
Posted on 9/14/18 at 3:58 pm to
Posted by lsuman25
Erwinville
Member since Aug 2013
43290 posts
Posted on 9/14/18 at 3:59 pm to
I will say Isaac is a tenacious son of a bitch and I hate storms like that.
Posted by Jumbo_Gumbo
Denham Springs
Member since Dec 2015
5968 posts
Posted on 9/14/18 at 4:01 pm to
quote:

I will say Isaac is a tenacious son of a bitch and I hate storms like that..


Any chance it heads north and cause trouble for LA? We have been lucky the last few years other than the great flood, and i kinda feel like we are due.
Posted by CidCock
Member since Sep 2007
Member since Feb 2011
8692 posts
Posted on 9/14/18 at 4:02 pm to
quote:

There are some who feel stealing items from a grocery store shouldn’t be considered looting since it was a matter of basic survival if people are trying to take water or other food items.


Yeah, no. Not 12 hours into the storm.
Posted by lsuman25
Erwinville
Member since Aug 2013
43290 posts
Posted on 9/14/18 at 4:03 pm to
I wouldn't get worried right now just watch it and see what happens.
Posted by rds dc
Member since Jun 2008
21477 posts
Posted on 9/14/18 at 4:06 pm to
quote:

Forecaster Blake


Great forecaster that openly embraces the "there is a lot we still don't know about weather" side of things.
Posted by LaBR4
Baton Rouge
Member since Sep 2005
53874 posts
Posted on 9/14/18 at 4:08 pm to
New Bern is Still Getting Pounded.

No end in sight


Posted by BilJ
Member since Sep 2003
162867 posts
Posted on 9/14/18 at 4:08 pm to
this been posted?

LINK
Posted by Y.A. Tittle
Member since Sep 2003
110869 posts
Posted on 9/14/18 at 4:11 pm to
quote:

this been posted?

LINK



I mean, you can tell the wind is just enough to briskly rustle the little leafy plants in that planter behind him, yet a grown man is supposed to be having difficulty standing upright.
Posted by Jim Rockford
Member since May 2011
105223 posts
Posted on 9/14/18 at 4:12 pm to
quote:

Have they started discussing the plans to start a roux?


Father of someone I went to HS with contracted mad cow disease from eating squirrel.
Posted by LaBR4
Baton Rouge
Member since Sep 2005
53874 posts
Posted on 9/14/18 at 4:17 pm to
had a few posters from Florence, SC this week.

Any word from you baws, or have they gone off the grid?
Posted by NorthEndZone
Member since Dec 2008
14258 posts
Posted on 9/14/18 at 4:17 pm to
Wrightsville Beach has had 29 straight hours, and counting, of Tropical Storm force wind gusts and 19 hours, and counting, of 50 knot wind gusts and tropical storm force sustained winds. Probably not a record but also probably not very common.

LINK
Posted by CobraCommander83
Member since Feb 2017
12420 posts
Posted on 9/14/18 at 4:20 pm to
quote:

had a few posters from Florence, SC this week.

Any word from you baws, or have they gone off the grid?




I checked my security camera a few minutes ago and wind is getting a little breezy and the rain hasn't looked heavy. My wife is staying with her parents in Lake City and it is about the same there. It has picked up a little in the last hour.


Camera just went out so the power is out.
This post was edited on 9/14/18 at 4:22 pm
Posted by LaBR4
Baton Rouge
Member since Sep 2005
53874 posts
Posted on 9/14/18 at 4:24 pm to
Figured y'all are getting into it now....keep us posted

Posted by slackster
Houston
Member since Mar 2009
91837 posts
Posted on 9/14/18 at 4:24 pm to
quote:

USGS 0209270825
BOGUE SOUND AT SR 1182 AT ATLANTIC BEACH, NC
USGS NWISWeb real-time data

Last data update: 2018-09-14 17:06:00


Previous

Amount
(inches)

Precipitation(total in 1 hour): 1.64
2 hours: 3.98
3 hours: 6.05
6 hours: 12.09
12 hours: 24.97
24 hours: 43.11
2 days: 50.22
7 days: --



And there it is folks, the new US mainland record for rainfall in 24 hours if it verifies.
Posted by Jim Rockford
Member since May 2011
105223 posts
Posted on 9/14/18 at 4:28 pm to
Does anybody know the difference if any between what the NOAA hurricane hunters and the air force hurricane hunters do? I know the NOAA Gulfstream samples upper air current but the NOAA P3 seems to perform essentially the same mission as the USAF guys.
Posted by Scoop
RIP Scoop
Member since Sep 2005
44583 posts
Posted on 9/14/18 at 4:28 pm to
quote:

I checked my security camera a few minutes ago and wind is getting a little breezy and the rain hasn't looked heavy. My wife is staying with her parents in Lake City and it is about the same there. It has picked up a little in the last hour.


Camera just went out so the power is out.


Should have set up the camera to be powered by a windmill.
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