Vortex 2309z

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gkrangers

Vortex 2309z

#1 Postby gkrangers » Mon Sep 13, 2004 6:41 pm

879
URNT12 KNHC 132309
VORTEX DATA MESSAGE
A. 13/2309Z
B. 21 DEG 25 MIN N
85 DEG 03 MIN W
C. 700 MB 2323 M
D. NA
E. NA
F. 214 DEG 139 KT
G. 126 DEG 017 NM
H. 914 MB
I. 12 C/ 3114 M
J. 19 C/ 3104 M
K. 13 C/ NA
L. CLOSED WALL
M. C20
N. 12345/7
O. 0.1/1 NM
P. AF980 3109A IVAN OB 31
MAX FL WIND 150 KT NE QUAD 1916Z. LIGHTNING OUTBOUND THROUGH
NORTH EYEWALL.
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nomolos
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#2 Postby nomolos » Mon Sep 13, 2004 6:42 pm

starting to drop in pressure again
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JayPSU
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#3 Postby JayPSU » Mon Sep 13, 2004 6:46 pm

nomolos wrote:starting to drop in pressure again


Hmmm, this report says that the eye wall is closed.
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Scorpion

#4 Postby Scorpion » Mon Sep 13, 2004 6:47 pm

I seriously doubt that this is going < 910. Every time it hits 910, it jumps back up again! I wonder if this time it'll stay down.
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canegrl04
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#5 Postby canegrl04 » Mon Sep 13, 2004 6:47 pm

This is weird.Ivan has bee going up and down in pressure all day.No real trend in either direction
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Buck
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#6 Postby Buck » Mon Sep 13, 2004 6:53 pm

LIGHTNING IN THE EYE WALL?????


Thats not normal. In hurricanes, if there is lightning its in the extreme outer bands.

Lightning involves Ice Crystals, Tropical Systems involve heat and tropical moisture. The two don't mix very well.

I guess that just shows how cold the cloud tops are.
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Aslkahuna
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When the Eyewalls

#7 Postby Aslkahuna » Mon Sep 13, 2004 7:26 pm

of Typhoons Irma and Kim came over Clark AB we had thunderstorms.

Steve
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PurdueWx80
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#8 Postby PurdueWx80 » Mon Sep 13, 2004 7:31 pm

There is ice in the far upper portions of the eyewall. The reason we don't typically see t-storms there is because the instability is very low owing to the lack of surface heating, and the very warm air in the center of the storm at mid-levels. We start dealing w/ different kinds of instability here than you would think of for more continental, mid-latitude thunderstorms, where very cold air is located above warm, buoyant and moist surface air. Only very strong hurricanes typically see lightning in their inner core.
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tronbunny
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#9 Postby tronbunny » Mon Sep 13, 2004 7:37 pm

There was only 40 minutes between vortex messages that time!
That's unusual, isn't it?
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