Corrupted Hurricane Track Data?

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Midurex
Junior Member
Posts: 3
Joined: Tue Jul 19, 2005 1:39 pm

Corrupted Hurricane Track Data?

Post by Midurex »

Downloading hurricane track data with DAWS (patched J1 already) I noticed, that sometimes the plotted hurricane track ends up as a straight and very narrow double line way off its original position. The next time I download data, the track is plotted correctly (if I am lucky).

I have attached the two hurricane data files named "good" and "bad". I hope somebody is able to spot the difference, which makes it difficult for DAWS to translate the data correctly. Advise how to correct the error manually would be very much appreciated, in order for DAWS to recognize the data.

Code: Select all


"GOOD DATA"

WTPN32 PGTW 260900
PASS TO OFFICE CODES:
PSBR BCST//SID 80//
DIRNSA FT GEORGE G MEADE MD//P313/Q332/WWEA//
NAVOCEANO STENNIS SPACE CENTER MS//N16//
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 07W (BANYAN) WARNING NR 020
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   260600Z --- NEAR 33.4N 138.8E
     MOVEMENT PAST SIX HOURS - 045 DEGREES AT 16 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   BECOMING EXTRATROPICAL
   REPEAT POSIT: 33.4N 138.8E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   261800Z --- 36.2N 141.2E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   BECOMING EXTRATROPICAL
   VECTOR TO 24 HR POSIT: 030 DEG/ 18 KTS
    ---
   24 HRS, VALID AT:
   270600Z --- 39.3N 143.6E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   BECOMING EXTRATROPICAL
   VECTOR TO 36 HR POSIT: 035 DEG/ 19 KTS
    ---
   36 HRS, VALID AT:
   271800Z --- 42.4N 146.4E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   EXTRATROPICAL
    ---
REMARKS:
260900Z POSITION NEAR 34.1N 139.4E.
TROPICAL STORM (TS) 07W (BANYAN), LOCATED APPROXIMATELY 150 NM
SOUTH-SOUTHWEST OF TOKYO, JAPAN, HAS TRACKED NORTHEASTWARD AT
16 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 260600Z IS 11 FEET. NEXT WARNINGS AT 261500Z, 262100Z,
270300Z AND 270900Z.//

Code: Select all


"BAD DATA"

WTPN32 PGTW 260300
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 07W (BANYAN) WARNING NR 019
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   260000Z --- NEAR 32.3N 137.4E
     MOVEMENT PAST SIX HOURS - 025 DEGREES AT 13 KTS
     POSITION ACCURATE TO WITHIN 040 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   BECOMING EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
                            110 NM SOUTHEAST QUADRANT
                            110 NM SOUTHWEST QUADRANT
                            110 NM NORTHWEST QUADRANT
   REPEAT POSIT: 32.3N 137.4E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   261200Z --- 35.1N 139.3E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   BECOMING EXTRATROPICAL
   VECTOR TO 24 HR POSIT: 035 DEG/ 19 KTS
    ---
   24 HRS, VALID AT:
   270000Z --- 38.1N 142.0E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   BECOMING EXTRATROPICAL
   VECTOR TO 36 HR POSIT: 040 DEG/ 19 KTS
    ---
   36 HRS, VALID AT:
   271200Z --- 41.0N 145.0E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   EXTRATROPICAL
    ---
REMARKS:
260300Z POSITION NEAR 33.0N 137.9E.
TROPICAL STORM (TS) 07W (BANYAN), LOCATED APPROXIMATELY 240 NM
SOUTH-SOUTHWEST OF TOKYO, JAPAN, HAS TRACKED NORTH-NORTHEASTWARD
AT 13 KNOTS OVER THE PAST SIX HOURS. DEEP CONVECTION ASSOCIATED
WITH TS 07W HAS CONTINUED TO DIMINISH. MAXIMUM SIGNIFICANT WAVE
HEIGHT AT 260000Z IS 14 FEET. NEXT WARNINGS AT 260900Z, 261500Z,
262100Z
AND 270300Z.//

Tim Vasquez
Administrator
Posts: 535
Joined: Sat Nov 22, 2003 10:47 pm

Post by Tim Vasquez »

When you see a problem occur please send your
/daws/data/incoming.bin
file to me... my E-mail address is at
http://www.weathergraphics.com/contact.htm

Tim
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