Tropical Cyclone Isang (25S)

[P.K.]

PAS D'ALERTE EN COURS A LA REUNION
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NATURE DU SYSTEME DEPRESSIONNAIRE TROPICAL
PRESENT SUR LE SUD-OUEST DE L'OCEAN INDIEN

TEMPETE TROPICALE MODEREE ISANG

PRESSION ESTIMEE AU CENTRE : 995 HPA.
POSITION LE 03 AVRIL A 16 HEURES LOCALES: 15.1 SUD / 70.2 EST
(QUINZE DEGRES UN SUD ET SOIXANTE-DIX DEGRES DEUX EST).

DISTANCE DES COTES REUNIONNAISES: 1655 KM A L'EST-NORD-EST
DEPLACEMENT: OUEST-SUD-OUEST A 20 KM/H.

[HURAKAN]

03/04/2005 12:00 70.20 15.10 2.5 TEMPETE tropicale moderée 995 35 kt, 64 km/h 49 kt, 91 km/h

FINALLY, AFTER A LONG, LONG, LONG STRUGGLE TO DEVELOP, ISANG FORMS AND COULD MENACE LA REUNION AND MAURITIUES.

[P.K.]

8pm GMT : Moderate Tropical Storm Isang at 35kts.

PAS D'ALERTE EN COURS A LA REUNION
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NATURE DU SYSTEME DEPRESSIONNAIRE TROPICAL
PRESENT SUR LE SUD-OUEST DE L'OCEAN INDIEN

TEMPETE TROPICALE MODEREE ISANG

PRESSION ESTIMEE AU CENTRE : 995 HPA.
POSITION LE 03 AVRIL A 22 HEURES LOCALES: 16.0 SUD / 69.5 EST
(SEIZE DEGRES ZERO SUD ET SOIXANTE-NEUF DEGRES CINQ EST).

DISTANCE DES COTES REUNIONNAISES: 1545 KM A L'EST-NORD-EST
DEPLACEMENT: SUD-OUEST A 18 KM/H.

[HURAKAN]

WTXS31 PGTW 032100
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING
REF/A/NAVPACMETOCCEN PEARL HARBOR HI/031351Z APR 05//
AMPN/TROPICAL CYCLONE FORMATION ALERT//
1. TROPICAL CYCLONE 25S (ISANG) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN SOUTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
031800Z2 --- NEAR 15.7S3 69.6E1
MOVEMENT PAST SIX HOURS - 230 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 060 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
REPEAT POSIT: 15.7S3 69.6E1
---
FORECASTS:
12 HRS, VALID AT:
040600Z0 --- 16.6S3 68.9E3
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 215 DEG/ 06 KTS
---
24 HRS, VALID AT:
041800Z3 --- 17.5S3 68.2E6
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
085 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 210 DEG/ 07 KTS
---
36 HRS, VALID AT:
050600Z1 --- 18.7S6 67.5E8
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 195 DEG/ 07 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
051800Z4 --- 20.0S2 67.1E4
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
RADIUS OF 050 KT WINDS - 010 NM
RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT
085 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
---
REMARKS:
032100Z6 POSITION NEAR 15.9S5 69.4E9.
TROPICAL CYCLONE (TC) 25S (ISANG), LOCATED APPROXIMATELY 530 NM
SOUTH-SOUTHWEST OF DIEGO GARCIA, IS TRACKING SOUTHWESTWARD AT 08
KNOTS. DURING THE NEXT 48 HOURS, TC 25S IS FORECAST TO CONTINUE
TRACKING POLEWARD AROUND THE WESTERN PERIPHERY OF THE SUBTROPICAL
STEERING RIDGE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 031800Z2 IS 12
FEET. THIS WARNING SUPERSEDES AND CANCELS REF A, NAVPACMETOCCEN
031351Z APR 05 TROPICAL CYCLONE FORMATION ALERT (WTXS21 PGTW
031400) NEXT WARNINGS AT 040900Z3 AND 042100Z7.//

AFTER A LONG BATTLE, ISANG FORMS.

[P.K.]

35kts. Not forecast to exceed TS strength.

PAS D'ALERTE EN COURS A LA REUNION
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NATURE DU SYSTEME DEPRESSIONNAIRE TROPICAL
PRESENT SUR LE SUD-OUEST DE L'OCEAN INDIEN

TEMPETE TROPICALE MODEREE ISANG

PRESSION ESTIMEE AU CENTRE : 993 HPA.
POSITION LE 04 AVRIL A 22 HEURES LOCALES: 18.6 SUD / 67.8 EST
(DIX-HUIT DEGRES SIX SUD ET SOIXANTE-SEPT DEGRES HUIT EST).

DISTANCE DES COTES REUNIONNAISES: 1280 KM A L'EST
DEPLACEMENT: SUD-OUEST A 14 KM/H.

[P.K.]

40kts G 56kts

PAS D'ALERTE EN COURS A LA REUNION
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NATURE DES SYSTEMES DEPRESSIONNAIRES TROPICAUX
PRESENTS SUR LE SUD-OUEST DE L'OCEAN INDIEN


TEMPETE TROPICALE MODEREE ISANG

PRESSION ESTIMEE AU CENTRE : 988 HPA.
POSITION LE 05 AVRIL A 16 HEURES LOCALES: 20.4 SUD / 65.6 EST
(VINGTS DEGRES QUATRE SUD ET SOIXANTE-CINQ DEGRES SIX EST).

DISTANCE DES COTES REUNIONNAISES: 1020 KM A L'EST
DEPLACEMENT: SUD-OUEST A 12 KM/H.

[P.K.]

60kts 10 minute average wind. Now Strong Tropical Storm Isang.

PAS D'ALERTE EN COURS A LA REUNION
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NATURE DES SYSTEMES DEPRESSIONNAIRES TROPICAUX
PRESENTS SUR LE SUD-OUEST DE L'OCEAN INDIEN

FORTE TEMPETE TROPICALE ISANG

PRESSION ESTIMEE AU CENTRE : 975 HPA.
POSITION LE 06 AVRIL A 16 HEURES LOCALES: 26.3 SUD / 67.0 EST
(VINGT-SIX DEGRES TROIS SUD ET SOIXANTE-SEPT DEGRES ZERO EST).

DISTANCE DES COTES REUNIONNAISES: 1270 KM A L'EST-SUD-EST
DEPLACEMENT: SUD-SUD-EST A 31 KM/H.

[HurricaneBill]

Isang's sure putting up a fight, isn't he?

[senorpepr]

This translates to an 80 mph cyclone (when coverting into 1-min avg)

[P.K.]

Extra-tropical, but still 60kts.

PAS D'ALERTE EN COURS A LA REUNION
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NATURE DES SYSTEMES DEPRESSIONNAIRES TROPICAUX
PRESENTS SUR LE SUD-OUEST DE L'OCEAN INDIEN

DEPRESSION EXTRA-TROPICALE EX-ISANG

PRESSION ESTIMEE AU CENTRE : 980 HPA.
POSITION LE 07 AVRIL A 10 HEURES LOCALES: 31.5 SUD / 69.8 EST
(TRENTE ET UN DEGRES CINQ SUD ET SOIXANTE-NEUF DEGRES HUIT EST).

DISTANCE DES COTES REUNIONNAISES: 1795 KM AU SUD-EST
DEPLACEMENT: SUD-SUD-EST A 33 KM/H.