TS Franklin Recon Reports

#1 Postby **cycloneye** » Fri Jul 22, 2005 1:50 pm

Nest Mission reports.This mission will start around 2100z.

JamesFromMaine2 · #2 Postby **JamesFromMaine2** » Fri Jul 22, 2005 1:53 pm

I don't get the whole 21z or whatever what is 21z in EST time? Why do there have to be so many diffrent time zones its hard to keep track of them all! lol

#3 Postby **dhweather** » Fri Jul 22, 2005 1:57 pm

The Z is for ZULU - or Grenwich Mean Time (GMT).

For Eastern time, you subtract 4 hours during daylight savings time (the summer), so 21-4=17 17 is 5PM

For Central time, you subtract 5 hours during daylight savings time (the summer), so 21-5=16 16 is 4PM

That way, everyone works from a universal base time.

clfenwi · #4 Postby **clfenwi** » Fri Jul 22, 2005 4:54 pm

At 2130Z, AF305 was at 30 25' N 88 50' W, which is about 650 nautical miles away from the center of Frankin reported by the NHC in the latest advisory.

2130. 3025N 08850W 01628 0121 051 005 174 144 006 01785 0000000000

clfenwi · #5 Postby **clfenwi** » Fri Jul 22, 2005 5:28 pm

2000Z position 30 49' N 86 25' W suggests a cruising speed of 250 knots, a leisurely pace that would not get them to the center before 8 PM (not a big deal, of course, since there are no intermediate advisories being issued now).

2200. 3049N 08625W 07008 0472 177 004 147 243 005 07501 0000000000

clfenwi · #6 Postby **clfenwi** » Fri Jul 22, 2005 5:30 pm

OB 02
Time: 2221Z
Position: 30.6 North 84.3 West
Flight Level: 7010 meters
FL winds: 5 knots
Temp/Dewpoint: -15 C /-33C
Weather:Clear
400 millibar height: 7670 meters

000

URNT11 KNHC 222224
97779 22214 60306 84300 70100 99005 65831 /5767
RMK AF305 0306A FRANKLIN OB 02

#7 Postby **P.K.** » Fri Jul 22, 2005 5:47 pm

dhweather wrote:The Z is for ZULU - or Grenwich Mean Time (GMT).

When did people start calling it Z? We all know it as GMT here. (Unless of course you are interested in the weather but I still prefer to use GMT)

clfenwi · #8 Postby **clfenwi** » Fri Jul 22, 2005 5:59 pm

P.K. wrote:
dhweather wrote:The Z is for ZULU - or Grenwich Mean Time (GMT).

When did people start calling it Z? We all know it as GMT here. (Unless of course you are interested in the weather but I still prefer to use GMT)

U.S. Military has called it Zulu time for probably as long as they have had a need for coordinated time. I suspect the National Weather Service borrowed it from there.

I don't know about other services, but the Navy has a phonetic alpahbet designator for each time zone (IIRC, east coast Zulu -5 time zone is Romeo).

It does appear that all services use the phonetic alphabet designators; also my memory was correct, Romeo is the designator for Zulu -5)

See http://www.timeanddate.com/library/abbr ... timezones/

clfenwi · #9 Postby **clfenwi** » Fri Jul 22, 2005 6:08 pm

Latest position of the recon plane: 30 04' North 080 30' West

2259 3004N 08030W 07010 0453 006 004 145 307 004 07485 0000000000

JamesFromMaine2 · #10 Postby **JamesFromMaine2** » Fri Jul 22, 2005 7:13 pm

whats up with recon? Are they still out there but no ones posting them or are they done for today?

#11 Postby **cycloneye** » Fri Jul 22, 2005 7:16 pm

0004. 2752N 07621W 01524 0031 220 056 144 144 056 01590 0000000100

Matt-hurricanewatcher · #12 Postby **Matt-hurricanewatcher** » Fri Jul 22, 2005 7:18 pm

Thats 56 knots flight level...

#13 Postby **Lowpressure** » Fri Jul 22, 2005 7:22 pm

Matt-hurricanewatcher wrote:Thats 56 knots flight level...

Looks like that should support 55mph at the surface. They just got there may find a little more, but pressure is key here. Would think 55mph is about it this evening unless we see nice pressure drop.

#14 Postby **cycloneye** » Fri Jul 22, 2005 7:22 pm

408
UZNT13 KNHC 230019
XXAA 73008 99281 70766 08086 99003 27824 08507 00026 27422 08507
92714 23228 07006 85452 21646 09008 88999 77999
31313 09608 82359
61616 AF305 0306A FRANKLIN OB 07
62626 EYE SPL 2806N07656W 0001 MBL WND 08506 AEV 20504 DLM WND 08
507 002861 WL150 08507 080 =
XXBB 73008 99281 70766 08086 00003 27824 11932 23018 22894 23256
33850 21646 44843 20027
21212 00003 08507 11954 08505 22861 08509 33843 09008
31313 09608 82359
61616 AF305 0306A FRANKLIN OB 07
62626 EYE SPL 2806N07656W 0001 MBL WND 08506 AEV 20504 DLM WND 08
507 002861 WL150 08507 080 =

Dropsonde observation.

clfenwi · #15 Postby **clfenwi** » Fri Jul 22, 2005 7:37 pm

cycloneye wrote:[b]408
UZNT13 KNHC 230019
(snip)

Observation Number: 07
Time transmitted: 0019Z
Position: 28.1 North // 76.6 West
Sea Level Pressure: 1003 mb
Surface wind speed and direction: 7 knot // 085
1000 millibar height: 26 meters
1000 millibar winds 7 knots // 085
925 millibar height: 714 meters
925 millibar winds: 6 knots // 070
850 millibar height: 1452 meters
850 millibar winds: 8 knots // 090
EYE

clfenwi · #16 Postby **clfenwi** » Fri Jul 22, 2005 7:41 pm

OB 08
Time: 0033Z
Position: 26.8 North // 75.2 West
Flight level: 1520
Fl winds: 38 knots // 210
Temp/Dewpoint: 17/15
Weather: Thunderstorm
850 millibar height: 1569 meters

My apologies guys, I went out on what should have been a 20 minute errand...turned into an 1+ hour expidition.

#17 Postby **Lowpressure** » Fri Jul 22, 2005 7:41 pm

Bit of a pressure drop so far 1003mb.

clfenwi · #18 Postby **clfenwi** » Fri Jul 22, 2005 8:11 pm

000

URNT12 KNHC 230018
VORTEX DATA MESSAGE
A. 23/23:59:50Z
B. 28 deg 03 min N
076 deg 33 min W
C. 850 mb 1453 m
D. 30 kt
E. 319 deg 045 nm
F. 053 deg 031 kt
G. 324 deg 007 nm
H. 1003 mb
I. 18 C/ 1526 m
J. 20 C/ 1523 m
K. 16 C/ NA
L. OPEN NW
M. C10
N. 1235 / 8
O. 0.02 / 3 nm
P. AF305 0306A FRANKLIN OB 06
MAX FL WIND 31 KT NW QUAD 23:57:40 Z
MAX FL TEMP 21 C, 324 / 10NM

clfenwi · #19 Postby **clfenwi** » Fri Jul 22, 2005 8:13 pm

Storm: Storm FRANKLIN: Observed By AF #307
Storm #06 in Atlantic Ocean1
Maximum Flight Level Winds Were 21KT (24.1mph 38.9km/h) In N Quadrant At 12:12:10 Z
Estimated Max Surface Winds 18.9KT (21.7mph 35.0km/h) *
Misc Remarks: P EXTRAP FROM 1500 FT. (Report Time: 23/0053Z)
Max Inbound Flight Level Winds: 28.1N 76.6W 031KT (35.65MPH 57.4km/h) [23:32:40Z to 23:55:10Z]
Max Outbound Flight Level Winds: 27.9N 76.4W 056KT (64.4MPH 103.7km/h) [00:04:30Z to 00:33:00Z]
Data # Position Height Temp Dewpoint Wind
O01 29.1N 77.7W 850mb Height @ 1549m 18°C 12°C 005KT (5.75MPH 9.3 km/h) @ 990°
O02 29.0N 77.5W 850mb Height @ 1545m 17°C 14°C 010KT (11.5MPH 18.5 km/h) @ 40°
O03 28.8N 77.3W 850mb Height @ 1539m 16°C 16°C 016KT (18.4MPH 29.6 km/h) @ 20°
O04 28.6N 77.1W 850mb Height @ 1533m 17°C 15°C 021KT (24.15MPH 38.9 km/h) @ 30°
O05 28.4N 76.9W 850mb Height @ 1522m 17°C 17°C 022KT (25.3MPH 40.7 km/h) @ 50°
O06 28.3N 76.7W 850mb Height @ 1500m 19°C 16°C 025KT (28.75MPH 46.3 km/h) @ 50°
O01 27.9N 76.3W 850mb Height @ 1488m 14°C 14°C 055KT (63.25MPH 101.9 km/h) @ 220°
O02 27.7N 76.1W 850mb Height @ 1526m 14°C 14°C 039KT (44.85MPH 72.2 km/h) @ 220°
O03 27.5N 75.9W 850mb Height @ 1542m 16°C 15°C 037KT (42.55MPH 68.5 km/h) @ 220°
O04 27.3N 75.8W 850mb Height @ 1548m 16°C 16°C 039KT (44.85MPH 72.2 km/h) @ 220°
O05 27.2N 75.5W 850mb Height @ 1557m 16°C 16°C 045KT (51.75MPH 83.3 km/h) @ 210°
O06 27.0N 75.4W 850mb Height @ 1565m 17°C 14°C 037KT (42.55MPH 68.5 km/h) @ 210°
O07 26.8N 75.2W 850mb Height @ 1569m 17°C 15°C 038KT (43.7MPH 70.4 km/h) @ 210°

clfenwi · #20 Postby **clfenwi** » Fri Jul 22, 2005 8:27 pm

OB 10
Time: 0116Z
Position: 29.5 North // 75.1 West
Flight level: 1520 meters
Fl winds: 37 knots // 180
Temp/dewpoint: 16/15
Weather: Thunderstorm
850 millibar height: 1559 meters

URNT11 KNHC 230119
97779 01164 70295 75118 15200 18037 16159 /2559
RMK AF305 0306A FRANKLIN OB 10

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