As far as wx patterns now & in the near future go.
Pro mets take a stab @ this if you want.
What Are The Differences Between Frances & Floyd?
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- wx247
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Well you see...
one was a boy and one is a girl.
Oh, you wanted meteorological analysis. NEXT!
one was a boy and one is a girl.
Oh, you wanted meteorological analysis. NEXT!
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The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
- wx247
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That was my punch line. Back off!

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Personal Forecast Disclaimer:
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
- Stormsfury
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Big difference in Floyd's pattern with a massive trough extending down from the Upper Ohio/Valley and a ridge in the ATL, with a weakness through it that steered Floyd into NC ...
ECMWF Day 6, much different synoptic setup with a height maxima along an extension located in South Carolina of the WATL ridge on Day 6 and continuing into Day 7 ... with no trough close enough to spare Florida, according to the ECMWF 12z 8/29/04 run ...
Notice on the reanalysis maps on Floyd's approach to Florida, the large PV in Eastern Canada on Sept 15th, 1999 at 00z ...
September 15th, 1999 @ 00z - Click HERE to view
NOW, look at the ECMWF 12z Day 6 Progs ... no PV in Eastern Canada ... ridging in response to a Western Trough and another trough over Newfoundland.
Day 6 ECMWF 12z 8/29/04 TIME SENSITIVE!!!
ECMWF Day 6, much different synoptic setup with a height maxima along an extension located in South Carolina of the WATL ridge on Day 6 and continuing into Day 7 ... with no trough close enough to spare Florida, according to the ECMWF 12z 8/29/04 run ...
Notice on the reanalysis maps on Floyd's approach to Florida, the large PV in Eastern Canada on Sept 15th, 1999 at 00z ...
September 15th, 1999 @ 00z - Click HERE to view
NOW, look at the ECMWF 12z Day 6 Progs ... no PV in Eastern Canada ... ridging in response to a Western Trough and another trough over Newfoundland.
Day 6 ECMWF 12z 8/29/04 TIME SENSITIVE!!!
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