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(date: 2024-10-16 07:22:18)


SPC - No watches are valid as of Wed Oct 16 13:26:02 UTC 2024

date: 2024-10-16, from: NOAA tornado/severe thunderstorm watches, mesoscale discussions, convective outlooks, fire weather outlooks

No watches are valid as of Wed Oct 16 13:26:02 UTC 2024.


https://www.spc.noaa.gov/products/watch/


SPC - No MDs are in effect as of Wed Oct 16 13:26:02 UTC 2024

date: 2024-10-16, from: NOAA tornado/severe thunderstorm watches, mesoscale discussions, convective outlooks, fire weather outlooks

No Mesoscale Discussions are in effect as of Wed Oct 16 13:26:02 UTC 2024.


https://www.spc.noaa.gov/products/md/


SPC Oct 16, 2024 1300 UTC Day 1 Convective Outlook

date: 2024-10-16, from: NOAA tornado/severe thunderstorm watches, mesoscale discussions, convective outlooks, fire weather outlooks


Day 1 Outlook Image
Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0713 AM CDT Wed Oct 16 2024

Valid 161300Z - 171200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
Organized severe thunderstorms are not currently expected on
Wednesday.

...Synopsis/Discussion...
In mid/upper levels, a highly amplified, yet still quite progressive
pattern will persist through the period over the CONUS.  A leading
synoptic trough was initially positioned from a low near Anticosti
Island in the Gulf of St. Lawrence, southwestward across New
England, the near-coastal Mid-Atlantic region, and the southern
Appalachians, to parts of AR and eastern OK.  The southern
Appalachian part of the trough is expected to consolidate into a
closed cyclone as it moves eastward across the Carolinas and VA,
with a well-defined 500-mb low expected over the Outer Banks
vicinity by 12Z tomorrow.  However, associated surface frontal-wave
cyclogenesis and related elevated thunder potential in the wrapping
conveyor both should remain offshore.  The trailing cold front --
analyzed at 11Z from central FL across the north-central Gulf to
near CRP and across south-central TX -- will support isolated
thunderstorm potential today over parts of south FL and deep south
TX before moving south of both areas. 

Meanwhile, a synoptic-scale trough -- with several embedded small
shortwaves/vorticity lobes -- is apparent in moisture-channel
imagery from the AK Panhandle south-southeastward, just offshore of
and parallel to the CONUS Pacific Coast. As these features move
ashore today, preceded by several other vorticity lobes, height
falls and colder air aloft will spread inland, steepening midlevel
lapse rates atop marginal low/middle-level moisture over parts of
the Pacific Northwest and a broad area of the Intermountain West/
Great Basin, with low-level warm advection and diabatic heating also
aiding instability in the interior swath.  Isolated thunderstorms
should result.

..Edwards/Goss.. 10/16/2024

Read more


https://www.spc.noaa.gov/products/outlook/day1otlk_1300.html


There are no tropical cyclones at this time.

date: 2024-10-16, from: Eastern Pacific Basin GIS Data

No tropical cyclones as of Wed, 16 Oct 2024 11:49:13 GMT


https://www.nhc.noaa.gov/gis/


NHC Atlantic Outlook

date: 2024-10-16, from: Graphical Tropical Weather Outlooks


Atlantic 2-Day Graphical Outlook Image
Atlantic 7-Day Graphical Outlook Image


ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 AM EDT Wed Oct 16 2024

For the North Atlantic…Caribbean Sea and the Gulf of Mexico:

1. Central Tropical Atlantic (AL94):
A broad area of low pressure located over the central tropical
Atlantic is producing disorganized showers and thunderstorms. This
system is forecast to move generally westward to west-northwestward,
and environmental conditions appear marginally conducive for gradual
development during the latter part of this week. A tropical
depression could form as the system moves near the Leeward and
Virgin Islands late this week.
* Formation chance through 48 hours…low…30 percent.
* Formation chance through 7 days…medium…40 percent.

2. Western Caribbean Sea:
Showers and thunderstorms over the southwestern Caribbean Sea are
associated with a broad area of low pressure. Some gradual
development is possible if the system stays over water while it
moves slowly northwestward towards Central America. Regardless of
development, locally heavy rainfall is possible across portions of
Central America later this week.
* Formation chance through 48 hours…low…10 percent.
* Formation chance through 7 days…low…20 percent.


Forecaster Bucci/R. Zelinsky



https://www.nhc.noaa.gov/gtwo.php?basin=atlc


Central North Pacific Tropical Weather Outlook

date: 2024-10-16, from: Central Pacific Basin Tropical Cyclones


000
ACPN50 PHFO 161130
TWOCP

Tropical Weather Outlook
NWS Central Pacific Hurricane Center Honolulu HI
200 AM HST Wed Oct 16 2024

For the central North Pacific…between 140W and 180W:

No tropical cyclones are expected during the next 7 days.

$$
Forecaster Bohlin


https://www.nhc.noaa.gov/gtwo.php?basin=cpac


There are no tropical cyclones at this time.

date: 2024-10-16, from: Central Pacific Basin Tropical Cyclones

No tropical cyclones as of Wed, 16 Oct 2024 11:49:13 GMT


https://www.nhc.noaa.gov/


Eastern North Pacific Tropical Weather Outlook

date: 2024-10-16, from: Eastern Pacific Basin Tropical Cyclones


000
ABPZ20 KNHC 161114
TWOEP

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Wed Oct 16 2024

For the eastern North Pacific…east of 140 degrees west longitude:

Tropical cyclone formation is not expected during the next 7 days.

$$
Forecaster Cangialosi


https://www.nhc.noaa.gov/gtwo.php?basin=epac


SPC Day 3-8 Fire Weather Outlook

date: 2024-10-15, from: NOAA tornado/severe thunderstorm watches, mesoscale discussions, convective outlooks, fire weather outlooks


Day 3-8 Fire Weather Outlook Image
Day 3-8 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
0459 PM CDT Tue Oct 15 2024

Valid 171200Z - 231200Z

A large-scale trough will amplify over the western CONUS on Days
3-4/Thursday-Friday, before evolving into a closed midlevel low over
the Four Corners region into Day 6/Saturday. Ahead of the trough,
strong deep-layer south-southwesterly flow will overspread the Great
Plains on Day 3/Thursday, while the surface pressure gradient
tightens between a deepening lee trough over the High Plains and
expansive surface anticyclone over the eastern CONUS.

...Day 3/Thursday - Northern/Central Plains...
The tightening pressure gradient and shallow boundary-layer mixing
into the strong deep-layer flow will favor an expansive area of
strong/gusty southerly surface winds across the Great Plains and
Upper/Middle MS Valley. While the degree of boundary-layer
heating/mixing and related RH reductions are uncertain (especially
with northward extent), confidence in at least 25-percent RH
overlapping the strong/gusty winds is high enough to introduce a
70-percent Critical area. 

...Day 4/Friday - Northern/Central California...
On the backside of the amplified large-scale trough, strong
deep-layer northerly flow will develop across California on Day
4/Friday -- where a relatively warm/dry air mass will be in place.
This will promote elevated to locally critical fire-weather
conditions.

..Weinman.. 10/15/2024

...Please see www.spc.noaa.gov/fire for graphic product...

Read more


https://www.spc.noaa.gov/products/exper/fire_wx/


SPC Day 2 Fire Weather Outlook

date: 2024-10-15, from: NOAA tornado/severe thunderstorm watches, mesoscale discussions, convective outlooks, fire weather outlooks


Day 2 Fire Weather Outlook Image
Day 2 Fire Weather Outlook  
NWS Storm Prediction Center Norman OK
0258 PM CDT Tue Oct 15 2024

Valid 161200Z - 171200Z

...CRITICAL FIRE WEATHER AREA FOR SOUTHERN SOUTH DAKOTA...CENTRAL
NEBRASKA...AND INTO NORTHERN/NORTHWEST KANSAS...

The Critical area in the central/northern Plains was expanded
slightly westward, northward, and northeastward. Here, confidence in
the overlap of 20-25 mph sustained southerly surface winds (with
higher gusts) and around 20 percent RH over dry fuels has increased.

An Elevated area was introduced over portions of the central Gulf
Coast, where breezy post-frontal winds (sustained around 15 mph with
higher gusts) will overlap 25-30 percent RH for a few hours during
the afternoon. The Elevated area has been confined to areas that
missed out on appreciable rainfall over the last month, and fuels
should be receptive to fire spread. 

Elsewhere, the previous forecast (see below) remains on track.

..Weinman.. 10/15/2024

.PREV DISCUSSION... /ISSUED 0230 AM CDT Tue Oct 15 2024/

...Synopsis...
...Central and Northern Plains...
A strong (sub 1000mb) surface cyclone will develop across eastern
Montana on Monday, with strong winds expected across much of the
central and northern Plains. This is due to the tight pressure
gradient between this surface low and the strong area of high
pressure centered over the Tennessee Valley. The strongest winds are
expected from west-central Kansas to southern South Dakota where
sustained winds of 25 to 30 mph are possible. The lowest relative
humidity is also expected in a similar area with sub 20 percent
relative humidity from the Texas Panhandle to central Minnesota. A
Critical area has been added from west-central Kansas to southern
South Dakota where these strongest winds and low relative humidities
overlap the driest fuels.

...Central Nevada into western Utah...
Some troughing may develop in the lee of the Sierra on Wednesday as
a mid-level trough crosses California. The combination of some
modest mid-level flow strengthening above a well mixed airmass, and
some tightening of the pressure gradient, may result in 15 to 20 mph
winds across central Nevada and into western Utah. An extended
period of above normal temperatures have dried fuels substantially
in this region recently. Therefore, an Elevated delineation has been
added to address the threat. 

...Gulf Coast...
Some dry and breezy offshore flow is possible across portions of the
Gulf Coast Wednesday with relative humidity of 20 to 30 percent and
surface winds of 10 to 15 mph. The strongest winds are currently
only forecast near the coast where fuels are not as receptive. The
only exception is across central Louisiana where some stronger winds
are possible. However, relative humidity is also not forecast to be
as dry across this region.

...Please see www.spc.noaa.gov/fire for graphic product...

Read more


https://www.spc.noaa.gov/products/fire_wx/fwdy2.html