Seguimiento general en EEUU

Stormy
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Re: Seguimiento general en EEUU

Mensajepor Stormy » Sab Sep 02, 2017 9:35 pm

Tremendos récords nuevos que acaban de caer hoy en EEUU, nada menos que en San Francisco. Aunque me queda la duda en el caso del aeropuerto por que Max Herrera tenía ahí como marca absoluta 106F.

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mateix escribió:pamperos que hacen disparar la T...

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Re: Seguimiento general en EEUU

Mensajepor Ezequiel15 » Dom Oct 08, 2017 5:59 pm

21 de Td en NY y 24 en Washington. Nada mal para ser octubre.
In GFS we don't trust
Los datos que escribo en Clima siempre son de OCBA.

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mateix
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Re: Seguimiento general en EEUU

Mensajepor mateix » Dom Oct 08, 2017 6:05 pm

Mamita, en NYC llevan un octubre similar a nuestro abril del 2015.

Algunos datos contundentes:

20º la media contando al día de hoy
La mínima absoluta del mes fue el día 1, con 10º
Mínima de 20º el día 6


#Insólito


Aquí el registro de Weather Underground:
https://www.wunderground.com/history/ai ... .wmo=99999

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mateix
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Re: Seguimiento general en EEUU

Mensajepor mateix » Dom Oct 08, 2017 6:11 pm

Y asombroso también Chicago, con casi 30º.
29º6 la actual.

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Re: Seguimiento general en EEUU

Mensajepor Stormy » Mar Oct 10, 2017 5:05 pm

Denver con el subibaja a pleno durante los últimos días.

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Salvaje. Hoy tienen máxima de 14ºC y mañana ya vuelven a los 20. :geek:
mateix escribió:pamperos que hacen disparar la T...

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Re: Seguimiento general en EEUU

Mensajepor Ernest » Mié Oct 11, 2017 4:50 pm

mateix escribió:Y asombroso también Chicago, con casi 30º.
29º6 la actual.


Llego un poco tarde, pero fue tremendo el final de septiembre que tuvieron por allí.
En O'Hare siete días consecutivos arriba de los 33 de máxima entre el 20 y el 26, con un pico de 35 el 23/9.

http://www.ogimet.com/cgi-bin/gsynres?o ... &ind=72530
Did you want to talk about the weather, or were you just making chitchat?

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Re: Seguimiento general en EEUU

Mensajepor stormchaserAlberto » Sab Oct 14, 2017 1:37 pm

Tiempo severo en el medio oriente de los Estados Unidos hoy.
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% de tornados.
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Viento.
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Granizo.
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Discusión.
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Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
1126 AM CDT Sat Oct 14 2017

Valid 141630Z - 151200Z

...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM EASTERN
KS...ACROSS NORTHERN MO...INTO NORTHERN IL...

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTHERN OK
INTO NORTHERN IN AND SOUTHEAST LOWER MI...

...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE CENTRAL PLAINS...MID MS VALLEY...AND SOUTHWESTERN GREAT LAKES
REGION...

...SUMMARY...
Severe thunderstorms are possible this afternoon and evening from
parts of the south-central Plains to the upper Great Lakes region.
Damaging gusts, large hail and a few tornadoes are possible.

...MO/IL...
A progressive upper trough is approaching the central Rockies, and
will move into the central Plains tonight. Strong low-level winds
ahead of this feature are resulting in warm/moist advection and a
rather large shield of showers and thunderstorms from central KS
into northern MO, much of IA and northern IL. This activity is
reinforcing a surface baroclinic zone across KS/MO/IL that will
likely serve as a focus of severe thunderstorm activity this
afternoon and evening.

Forecast soundings from northeast MO into north-central IL show
substantial low-level shear, along with MLCAPE values if 1000-1500
J/kg. This suggests a corridor of risk for supercells and bowing
structures capable of a few tornadoes, damaging winds, and hail.
The precise location of this corridor is uncertain and will depend
on the evolution of morning clouds/precipitation. These storms
should move into southern Lake Michigan and eventually into Lower MI
this evening, with a continued risk of damaging winds.

...KS/MO/OK...
By late this afternoon, a cold front will extend from northwest MO
into southeast KS and northwest OK. Strong heating ahead of the
front will help initiate a line of thunderstorms. Ample low-level
moisture and CAPE should promote severe storms capable of damaging
winds and large hail. The northern extent of the line (from
north-central MO into extreme eastern KS) will be in proximity to
favorable low and deep layer shear that would support more organized
structures. The risk of more widespread wind damage and QLCS
tornadoes appears highest in this area. Storms will build southward
into northern OK and southwest MO this evening with a continued risk
of locally damaging winds.

..Hart/Cook.. 10/14/2017

Se actualiza a las 20:00z.
Dome, dome, dome..The life is a dome

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Re: Seguimiento general en EEUU

Mensajepor stormchaserAlberto » Sab Oct 14, 2017 6:37 pm

No hay cambios en la nueva actualización del convective outlook. Habrá que esperar a la próxima.
Acá van las dos discusiones a mesoescala aún vigentes.
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Mesoscale Discussion 1712
NWS Storm Prediction Center Norman OK
0240 PM CDT Sat Oct 14 2017

Areas affected...Central into northeast Kansas

Concerning...Severe potential...Watch likely

Valid 141940Z - 142215Z

Probability of Watch Issuance...80 percent

SUMMARY...Severe storms are expected to form by 21-22Z over parts of
central Kansas, with increasing coverage by late afternoon and
evening into eastern Kansas and western Missouri. Large hail and
damaging winds will be the primary threats.

DISCUSSION...Visible imagery shows CU beginning to form along a
pre-frontal trough across central KS where a narrow plume of strong
heating persists. This area of heating lies just north of an
extensive midlevel moist plume extending from the TX Panhandle into
northeastern KS, also coincident with the western fringe of a 40 kt
low-level jet and acting as an effective warm front. Showers are
also beginning to consolidate into more intense cores within this
moist plume.

As the cold front continues to develop southeastward, storms should
form along it, and also invigorate the leading storms currently
extending from near Wichita to Kansas City. Initially, supercells
are possible, with long hodographs favoring damaging hail and winds.
As the front deepens with time, storms will consolidate into a
squall line, with strong shear oriented parallel to the boundary
possibly resulting in a QLCS.

..Jewell/Hart.. 10/14/2017

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Mesoscale Discussion 1713
NWS Storm Prediction Center Norman OK
0335 PM CDT Sat Oct 14 2017

Areas affected...northern/central Missouri...far southern Iowa...and
west-central Illinois

Concerning...Severe potential...Watch possible

Valid 142035Z - 142300Z

Probability of Watch Issuance...40 percent

SUMMARY...The discussion area is being monitored for increasing
severe potential over the next 2-3 hours, which may necessitate a WW
issuance.

DISCUSSION...A complex surface pattern currently exists across the
discussion area. Both a warm front and differential heating zone
are separating a moderately unstable airmass (nearly 2000 J/kg
MLCAPE) over central Missouri from rain-cooled air to the north.
Isolated convection was located along and just north of these
boundaries, although weak mid-level lapse rates and a lack of
forcing for ascent aloft has resulted in sub-severe convection so
far this afternoon.

Continued surface heating and convergence along the front may be
enough to encourage isolated surface-based development that will
pose a risk for wind/hail and perhaps a tornado over the next 2-3
hours, especially near the differential heating zone. While this
initial activity may be too isolated to necessitate a WW, increasing
convective activity upstream in eastern Kansas may further organize
and pose a severe risk initially in northwestern Missouri -
spreading eastward across the discussion area over time. A WW
issuance is possible for this activity, and convective trends will
continue to be monitored.

..Cook/Hart.. 10/14/2017
Dome, dome, dome..The life is a dome

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Re: Seguimiento general en EEUU

Mensajepor stormchaserAlberto » Sab Oct 14, 2017 6:55 pm

Recién sacado del horno.
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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 500
NWS Storm Prediction Center Norman OK
445 PM CDT Sat Oct 14 2017

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Eastern Kansas
Southwest Missouri

* Effective this Saturday afternoon from 445 PM until Midnight
CDT.

* Primary threats include...
Isolated very large hail events to 2 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible

SUMMARY...Strong to severe thunderstorms will continue to intensify
near a pre-frontal boundary/outflow and also farther to the west
along a cold front. Bouts of severe hail and damaging winds will be
the primary concerns through the evening hours.

The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 50 miles south of
Olathe KS to 70 miles west southwest of Emporia KS. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25035.

...Guyer

Kansas City, Kansas.
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Re: Seguimiento general en EEUU

Mensajepor stormchaserAlberto » Sab Oct 14, 2017 7:19 pm

Ya hay tornado watch!
Imagen
SPOILER - El siguiente texto está oculto. Presioná en la barra para mostrarlo.
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 501
NWS Storm Prediction Center Norman OK
510 PM CDT Sat Oct 14 2017

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
Southeast Iowa
Northern and western Illinois
Far eastern Kansas
Northern Missouri

* Effective this Saturday afternoon and Sunday morning from 510
PM until 100 AM CDT.

* Primary threats include...
A couple tornadoes possible
Isolated very large hail events to 2 inches in diameter possible
Isolated damaging wind gusts to 70 mph possible

SUMMARY...Storms will continue to intensify in multiple pre-frontal
corridors across the region. Some hail will initially be possible,
but damaging winds should be the primary risk along with some
potential for tornadoes, particularly as low-level shear steadily
strengthens this evening.

The tornado watch area is approximately along and 55 statute miles
north and south of a line from 10 miles east southeast of Marseilles
IL to 15 miles west of Olathe KS. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU1).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 500...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24040.

...Guyer
Dome, dome, dome..The life is a dome


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