"But seeing they could not See; hearing they could not Hear"
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"From its chamber comes the whirlwind, and cold from the scattering winds." - Job 37:9.

"The wind blows to the south and turns to the north; round and round it goes, ever returning on its course".

Monday, January 25, 2010

Exit Cold Front - Enter Cold Air

(Image shows positions of the weakening squall line and actual cold front earlier this morning)

The squall line and its associated weather went through right on schedule (around 8am) but with little to show for it. There were a few tornado warnings issued, all north of the area as was originally suspected would happen. The closest one to east Central Florida was along the Volusia/Brevard County line. However, as far as I know, there have been no severe weather related reports /wind least none that would quantify as meeting official severe weather criteria.

Today: As of 1pm the remains of the squall line have exited the entire state..with the Miami area the last to feel its "wrath" as I write. There is no rain anywhere now to be of concern. Initially, the temperature had dropped 16 degrees in Canaveral within an hour after the line's passing (down to 58 degrees) but have since officially climbed to 70 degrees (both on my porch and at Patrick AFB). However, the 'true cold front' is marching on in as I type and is pretty much located along a line from Jacksonville southward to between Orlando and the beaches. Cloud cover over the area will rapidly disappear once the front goes through which will be at about 2pm if not shortly before that time. By 3 o'clock all traces of the front will be gone...the air will dry out significantly as the dew point temperature drops..and the ambient air temperature will drop late afternoon we'll be looking at the lower 60s in east central Florida, and by shortly after sunset it will be in the upper 50s.

Tonight-Friday: This period can be summed up briefly. Uneventful. Yes, it will be MUCH cooler if not relatively cold Tuesday and Wednesday mornings. Especially west of the Banana River as is typical. The absolute immediate coast will luck out on this one to some degree. Looks like it will get colder here than originally thought but not by much. In general, the lows will be characterized as being in the low-mid 40s inland and right around 50 along A1A both mornings. Over night Wednesday into Thursday morning, strong high pressure which will have been passing across the Northern Gulf of Mexico will have crossed the state and be well out into the Atlantic. Clockwise flow around this high will bring a return easterly wind overnight Wednesday into Thursday morning effectively providing more significant relief from the coldest of air to the immediate coast, whereas areas especially along and west of US1 won't be so fortunate...they'll have yet one more cold morning to contend with. Highs both Tuesday and Wednesday will remain well below 70 -- low-mid 60s under abundant sunshine.

All in all when push comes to shove it could be a lot worse for this time of year, so no complaints here.

Friday Through Saturday: Low pressure will form over the South Central Plains and shift straight east as we return to a much more typical El Nino, latitudinally zonal flow (in the jet stream) from west to east across the southern tier of the U.S. This low will track almost due east across Southern Mississippi-Louisiana-Alabama-Georgia and exit into the Atlantic Saturday morning with it's appending cold front to swoop diagonally through the state at, no less, the same time of the day as the past two fronts (early morning near sunrise). If the timing on this system remains constant as currently portrayed...then once we get past the late morning hours of Saturday the remainder of the weekend will be quite pleasant..albeit a little cool. It currently appears that we'll only be in for a 24-36 hour noticeable cool down with the next front (as opposed to the full 3 days we're getting from the one that passed through this morning).

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