PHASE DIAGRAM
I'm becoming crazy¿Possible tropical depression Central ATL?
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pepeavilenho
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SouthFloridawx
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Re: I'm becoming crazy¿Possible tropical depression Central ATL?
Nothing mentioned on the surface analysis graphic.
ATLANTIC OCEAN...
AN UPPER LEVEL TROUGH OVER THE W ATLC CENTERED SE OF MAINE
CONTINUES TO SUPPORT A SURFACE LOW PRESSURE SYSTEM OFF THE NE
UNITED STATED COAST. A COLD FRONT ASSOCIATED WITH THIS SYSTEM
ENTERS THE DISCUSSION AREA NEAR 32N60W ALONG 27N64W 22N69W TO
THE WINDWARD PASSAGE NEAR 20N75W. ISOLATED SHOWERS ARE WITHIN 45
NM EITHER SIDE OF THE FRONT S OF 27N. SCATTERED SHOWERS/ISOLATED
THUNDERSTORMS ARE N OF 27N BETWEEN 53W-60W. FARTHER E...A SECOND
LOW PRESSURE SYSTEM COVERS THE CENTRAL ATLC. A WEAKENING 1010 MB
LOW IS NEAR 28N43W WITH A SURFACE TROUGH EXTENDING AROUND THE
LOW ALONG 27N22W 25N43W 24N48W 26N53W. A SECOND SURFACE TROUGH
IS THE E...REMNANTS OF A PREVIOUS FRONT ASSOCIATED WITH THIS
SYSTEM...EXTENDING ALONG 31N38W 25N38W 21N43W 19N51W CONTINUING
AS A SHEAR LINE TO THE NRN LEEWARD ISLANDS NEAR 18N62W. ISOLATED
SHOWERS ARE WITHIN 60 NM EITHER SIDE OF THE SHEAR LINE AND
TROUGH S OF 25N...WITH SCATTERED SHOWERS WITHIN 120 NM E OF THE
FRONT N OF 25N. THIS SYSTEM IS SUPPORTED BY AN UPPER LEVEL
TROUGH CENTERED NEAR 29N382W WITH AXIS ALONG 38W. ACROSS THE E
ATLC...A SURFACE RIDGE DOMINATES THE AREA ANCHORED BY A 1029 MB
HIGH N OF THE AZORES ISLANDS MAINTAINING GENERALLY FAIR WEATHER.
AN UPPER LEVEL RIDGE ALONG 18W SUPPORTS THE SURFACE RIDGE.
VISIBLE SATELLITE IMAGERY FROM EARLIER TODAY INDICATES A LARGE
AREA OF DUST OFF THE COAST OF AFRICA S OF 22N EXTENDING TO THE E
CARIBBEAN.
It's probably convection associated with the Upper Level Trough to the west.
ATLANTIC OCEAN...
AN UPPER LEVEL TROUGH OVER THE W ATLC CENTERED SE OF MAINE
CONTINUES TO SUPPORT A SURFACE LOW PRESSURE SYSTEM OFF THE NE
UNITED STATED COAST. A COLD FRONT ASSOCIATED WITH THIS SYSTEM
ENTERS THE DISCUSSION AREA NEAR 32N60W ALONG 27N64W 22N69W TO
THE WINDWARD PASSAGE NEAR 20N75W. ISOLATED SHOWERS ARE WITHIN 45
NM EITHER SIDE OF THE FRONT S OF 27N. SCATTERED SHOWERS/ISOLATED
THUNDERSTORMS ARE N OF 27N BETWEEN 53W-60W. FARTHER E...A SECOND
LOW PRESSURE SYSTEM COVERS THE CENTRAL ATLC. A WEAKENING 1010 MB
LOW IS NEAR 28N43W WITH A SURFACE TROUGH EXTENDING AROUND THE
LOW ALONG 27N22W 25N43W 24N48W 26N53W. A SECOND SURFACE TROUGH
IS THE E...REMNANTS OF A PREVIOUS FRONT ASSOCIATED WITH THIS
SYSTEM...EXTENDING ALONG 31N38W 25N38W 21N43W 19N51W CONTINUING
AS A SHEAR LINE TO THE NRN LEEWARD ISLANDS NEAR 18N62W. ISOLATED
SHOWERS ARE WITHIN 60 NM EITHER SIDE OF THE SHEAR LINE AND
TROUGH S OF 25N...WITH SCATTERED SHOWERS WITHIN 120 NM E OF THE
FRONT N OF 25N. THIS SYSTEM IS SUPPORTED BY AN UPPER LEVEL
TROUGH CENTERED NEAR 29N382W WITH AXIS ALONG 38W. ACROSS THE E
ATLC...A SURFACE RIDGE DOMINATES THE AREA ANCHORED BY A 1029 MB
HIGH N OF THE AZORES ISLANDS MAINTAINING GENERALLY FAIR WEATHER.
AN UPPER LEVEL RIDGE ALONG 18W SUPPORTS THE SURFACE RIDGE.
VISIBLE SATELLITE IMAGERY FROM EARLIER TODAY INDICATES A LARGE
AREA OF DUST OFF THE COAST OF AFRICA S OF 22N EXTENDING TO THE E
CARIBBEAN.
It's probably convection associated with the Upper Level Trough to the west.
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pepeavilenho
- Tropical Storm
- Posts: 171
- Joined: Thu Jul 09, 2009 12:01 pm
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gatorcane
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Looks like a mid to upper-level low.
Looking at the 12Z ECMWF, it shows up on the Geopotential 500 hPa but not the 850 and mslp. Note I am looking at the Africa ECMWF link:
850 mslp:
http://www.ecmwf.int/products/forecasts ... 0040112!!/
Geopotential 500 hPa:
http://www.ecmwf.int/products/forecasts ... 0040112!!/
Looking at the 12Z ECMWF, it shows up on the Geopotential 500 hPa but not the 850 and mslp. Note I am looking at the Africa ECMWF link:
850 mslp:
http://www.ecmwf.int/products/forecasts ... 0040112!!/
Geopotential 500 hPa:
http://www.ecmwf.int/products/forecasts ... 0040112!!/
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