Corrupted Hurricane Track Data?
Posted: Tue Jul 26, 2005 1:48 pm
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.
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.//
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"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.//