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OBS Thread for PHL area : Sandy / Post Trop Phase


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Of interest is what I woke up to this morning....nothing. That will change, but I figured that there would be more effects that what there was. In no way did I think we'd have tropical storm conditions this early, but I guess I was under the assumption that winds in the area would have already been in the 10-20mph, but they were and are rather calm. It has just now started to rain lightly, but since the showers we had yesterday evening (0.09"), no rain had fallen.

I want to add that this is not a "bust" post, or that I think it will bust, just my early morning observation from the coal region.

Currently in my backyard:

Temp: 51

DP: 51

Wind: wnw @3 mph with a gust of 7 mph

Pressure: 1001 mb or 29.55"

Rainfall: 0.00"

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Apparently recon just found 941. Reported in NYC thread. Nothing official yet*

Recon says 948...

000
URNT12 KNHC 291027
VORTEX DATA MESSAGE   AL182012
A. 29/09:41:50Z
B. 36 deg 10 min N
 070 deg 40 min W
C. 700 mb 2604 m
D. 42 kt
E. 308 deg 62 nm
F. 078 deg 46 kt
G. 308 deg 70 nm
H. 948 mb
I. 10 C / 3049 m
J. 14 C / 3053 m
K. 13 C / NA
L. NA
M. NA
N. 1345 / 7
O. 0.02 / 1 nm
P. AF302 2318A SANDY              OB 13
MAX OUTBOUND AND MAX FL WIND 94 KT SE QUAD 10:14:00Z
MAX FL TEMP 17 C 118 / 12 NM FROM FL CNTR
MAX OUTBOUND SFMR SFC WIND 61 KT SE QUAD 10:01:30Z

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Recon says 948...

000
URNT12 KNHC 291027
VORTEX DATA MESSAGE AL182012
A. 29/09:41:50Z
B. 36 deg 10 min N
070 deg 40 min W
C. 700 mb 2604 m
D. 42 kt
E. 308 deg 62 nm
F. 078 deg 46 kt
G. 308 deg 70 nm
H. 948 mb
I. 10 C / 3049 m
J. 14 C / 3053 m
K. 13 C / NA
L. NA
M. NA
N. 1345 / 7
O. 0.02 / 1 nm
P. AF302 2318A SANDY OB 13
MAX OUTBOUND AND MAX FL WIND 94 KT SE QUAD 10:14:00Z
MAX FL TEMP 17 C 118 / 12 NM FROM FL CNTR
MAX OUTBOUND SFMR SFC WIND 61 KT SE QUAD 10:01:30Z

i think that was a extrop pressure. Cause hurricane schwartz just showed the pass and had 942mb pressure.

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ray, or anyone else who can help with this. They say the winds are 90% of the flight level winds which are 108mph, does this support 90mph sustained?

Storm SANDY: Observed By Air Force #302

Storm #18 in Atlantic Ocean

Maximum Flight Level Winds Were 94KT (108.1mph 174.1km/h) In SE Quadrant At 10:14:00Z

Estimated Max Surface Winds 84.6KT (97.3mph 156.7km/h) *

Misc Remarks: MAX FL TEMP 17 C 118 / 12 NM FROM FL CNTRMAX OUTBOUND SFMR SFC WIND 61 KT SE QUAD 10:01:30Z;

Date/Time of Recon Report: Monday, October 29, 2012 4:41:00 AM (Mon, 29 Oct 2012 09:41:00 GMT)

Position of the center: 36° 10' N 070° 40' W (36.2°N 70.7°W) [see Map]

Minimum Height Measured At Standard Level Of 700mb: 2604m (Normal: 3011)

Surface Winds Were Estimated At: 42KT (48.3MPH 77.8km/h)

Estimated Surface Winds Were Measured 62nm (71.3miles) From Center At Bearing 308°

Maximum Flight Level Winds Near Center Were 46KT (52.9mph 85.2km/h) From 078°

Maximum Flight Level Winds Were Measured 70nm (80.5 miles) From Center At Bearing 308°

Minimum pressure: 948mb (27.99in)

Eye Wall Characterization Not Reported

Eye Did Not Have A Definable Form or was not reported

Center Fix Established Using: Penetration Wind Pressure Temperature

Center Fix Established At Level(s): 700mb

Navigational Accuracy Measured At 0.02nm

Meteorological Accuracy Measured At 1nm

* = Estimated Surface Winds are assumed 90% of Max Flight Level Winds

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Hybrid nature shown well on regional radar. Hurricane bands rotating into large rain shield on W side...

Yeah, and that's creating deformation bands from hell. Look at the radar now, oriented S-->N, at the brighter areas where there is enhancement once the bands rotate across the Chesapeake...Any pros want to chime in to discuss why that's happening?

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