Extremely dangerous Typhoon Saola strengthens to 90 knots and expected to intensify a bit more to 100 knots before making landfall over china....that is if it doesn't hit taiwan first...WTPN31 PGTW 010900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TYPHOON 10W (SAOLA) WARNING NR 018
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
010600Z --- NEAR 23.6N 123.4E
MOVEMENT PAST SIX HOURS - 345 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 025 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 090 KT, GUSTS 110 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 030 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
065 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
135 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
140 NM NORTHWEST QUADRANT
REPEAT POSIT: 23.6N 123.4E
---
FORECASTS:
12 HRS, VALID AT:
011800Z --- 24.5N 122.7E
MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
065 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
135 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
140 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 335 DEG/ 07 KTS
---
24 HRS, VALID AT:
020600Z --- 25.8N 122.1E
MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
035 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT
145 NM SOUTHEAST QUADRANT
135 NM SOUTHWEST QUADRANT
140 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 325 DEG/ 09 KTS
---
36 HRS, VALID AT:
021800Z --- 27.3N 121.0E
MAX SUSTAINED WINDS - 100 KT, GUSTS 125 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 070 NM NORTHEAST QUADRANT
070 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 145 NM NORTHEAST QUADRANT
145 NM SOUTHEAST QUADRANT
135 NM SOUTHWEST QUADRANT
135 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 310 DEG/ 11 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
030600Z --- 28.6N 119.1E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 72 HR POSIT: 295 DEG/ 08 KTS
---
72 HRS, VALID AT:
040600Z --- 29.9N 115.6E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 96 HR POSIT: 275 DEG/ 05 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
050600Z --- 30.1N 113.4E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
010900Z POSITION NEAR 23.8N 123.2E.
TYPHOON 10W (SAOLA), LOCATED APPROXIMATELY 125 NM SOUTHEAST OF
TAIPEI, TAIWAN, HAS TRACKED NORTH-NORTHWESTWARD AT 08 KNOTS OVER THE
PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z IS 35
FEET. NEXT WARNINGS AT 011500Z, 012100Z, 020300Z AND 020900Z. REFER
TO TYPHOON 11W (DAMREY) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY
UPDATES.//
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WDPN31 PGTW 010900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TYPHOON 10W (SAOLA) WARNING NR 18//
RMKS//
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TYPHOON 10W (SAOLA), LOCATED APPROXIMATELY 125 NM SOUTHEAST OF
TAIPEI, TAIWAN, HAS TRACKED NORTH-NORTHWESTWARD AT 08 KNOTS OVER
THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY SHOWS
DEEP CONVECTIVE BANDING CONTINUES TO BUILD AROUND THE LOW-LEVEL
CIRCULATION CENTER (LLCC). A 010708Z SSMI 85 GHZ IMAGES REVEALS THE
DEEPEST CONVECTION IS OVER THE NORTHERN SEMI-CIRCLE OF THE LLCC AS
A MICROWAVE EYE HAS NEARLY FORMED. THE CURRENT POSITION IS BASED ON
THE ABOVE MENTIONED IMAGERY WITH HIGH CONFIDENCE. THE CURRENT
INTENSITY IS BASED ON DVORAK ESTIMATES OF 90 KNOTS FROM PGTW AND
KNES. UPPER-LEVEL ANALYSIS INDICATES A POINT SOURCE OF DIVERGENCE
DIRECTLY OVER THE SYSTEM WHICH IS PROVIDING FOR WEAK (05-10 KNOTS)
VERTICAL WIND SHEAR AND EXCELLENT DIVERGENCE ALOFT. THE OUTFLOW
COULD ALMOST BE CONSIDERED RADIAL WITH THE EXCEPTION OF THE
NORTHWESTERN QUADRANT. INDUCED UPPER-LEVEL TROUGHING RESIDES IN
THIS AREA IN BETWEEN THE SYSTEM AND AN EXTENSION OF THE SUBTROPICAL
RIDGE. TY 10W IS CURRENTLY STEERING ALONG THE NORTHWESTERN
PERIPHERY OF THE NEAR EQUATORIAL RIDGE (NER) CENTERED TO THE
SOUTHEAST.
3. FORECAST REASONING.
A. THERE IS NO SIGNIFICANT CHANGE TO THE FORECAST PHILOSOPHY
FROM THE PREVIOUS PROGNOSTIC REASONING.
B. TY 10W IS FORECAST TO SLOWLY DRIFT IN A GENERAL NORTHWESTWARD
DIRECTION UNDER THE INFLUENCE OF THE NER FOR THE NEXT 24 HOURS.
AFTER TAU 24 THE STR TO THE NORTH IS EXPECTED TO BECOME THE
DOMINANT STEERING INFLUENCE CAUSING THE TRACK TO SHIFT MORE
WESTWARD WITH A SUBSEQUENT SPEED INCREASE. UPPER-LEVEL CONDITIONS
SHOULD GRADUALLY BECOME MORE FAVORABLE AND SEA SURFACE TEMPERATURES
SHOULD PEAK NEAR 29C ALLOWING FOR TY 10W TO INTENSIFY TO A PEAK OF
100 KNOTS BY TAU 24. LANDFALL IS EXPECTED SLIGHTLY AFTER TAU 36,
WITH FRICTIONAL FORCES STARTING TO WEAKEN TY 10W THROUGH TAU 72.
C. TY 10W WILL HAVE DISSIPATED OVERLAND BY TAU 96. MODEL
GUIDANCE IS IN GOOD AGREEMENT WITH THE NORTHWESTWARD TRACK WITH THE
EXCEPTION OF THE GFDN WHICH TRACKS MORE POLEWARD INTO THE STRONG
STR. THERE IS HIGH CONFIDENCE IN THE TRACK FORECAST BASED ON THE
CONTINUED TREND IN OBJECTIVE AIDS AND SYNOPTIC ENVIRONMENT AS
ANALYZED IN THE 01/00Z 500 MB SOUNDINGS.//
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