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TROPICAL CYCLONE ADVISORY: ABPW10 PGTW 041400 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/041400Z-050600ZAUG2026// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/040751ZAUG2026// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/040651ZAUG2026// NARR/REF A IS A TROPICAL CYCLONE WARNING. REF B IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 04AUG26 0600Z, TYPHOON 12W (DOLPHIN) WAS LOCATED NEAR 25.3N 141.9E, APPROXIMATELY 44 NM NORTHEAST OF IWO TO, AND HAD TRACKED WESTWARD AT 11 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 115 KNOTS GUSTING TO 140 KNOTS. SEE REF A (WTPN31 PGTW 040900) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 94W) PREVIOUSLY LOCATED NEAR 17.7N 121.8E IS NOW LOCATED NEAR 17.1N 119.5E, APPROXIMATELY 59 NM WEST-SOUTHWEST OF VIGAN. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS AN OBSCURED NASCENT LOW LEVEL CIRCULATION CENTER (LLCC) ALONG THE WESTERN COASTLINE OF LUZON THAT FEATURES CONVECTIVE BANDING ALONG THE SOUTH-WESTERN PERIPHERY OF THE CIRCULATION. STRONG WESTSOUTHWESTERLY FLOW IS CLEARLY SEEN FLOWING INTO WESTERN LUZON, ROUGHLY FROM LINGAYEN GULF SOUTHWARDS. ENVIRONMENTAL ANALYSIS REVEALS FAVORABLE CONDITIONS FOR TROPICAL CYCLONE DEVELOPMENT, AS THE SYSTEM IS POSITIONED WITHIN A POCKET OF LOW VERTICAL WIND SHEAR (10-15KTS), WARM SEA SURFACE (29 TO 30 C), AND GOOD EQUATORWARD OUTFLOW. GFS IS THE ONLY DETERMINISTIC MODEL CURRENTLY DEPICTING CONSOLIDATION OF 94W IN THE NEXT 24 HOURS, SHOWING THE WESTERLY WINDS SOUTH OF LINGAYEN GULF QUICKLY TURNING NORTHWARD DUE TO TERRAIN FORCING, AND WRAPPING INTO THE QUICKLY DEVELOPING CENTER. MEANWHILE, THE ECMWF KEEPS THE CENTER CLOSER TO SHORE AND DOES NOT CONSOLIDATE THE CIRCULATION OR WRAP THE SOUTHERLY WINDS UP THE EAST SIDE DUE TO THE PROXIMITY TO LAND. ENSEMBLE MODELS BOTH AGREE ON THE FURTHER DEVELOPMENT INTO A TROPICAL DEPRESSION AND A GENERAL EASTWARD TRACK BACK OVER LUZON AFTER 24-36 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 17 TO 22 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1002 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS HIGH. SEE REF A (WTPN21 PGTW 040700) FOR FURTHER DETAILS. (2) AN AREA OF CONVECTION (INVEST 96W) HAS PERSISTED NEAR 17.1N 166.1E, APPROXIMATELY 134 NM SOUTH-SOUTHWEST OF WAKE ISLAND. ENHANCED INFRARED IMAGERY (EIR) DEPICTS A BROAD AND VERY ELONGATED REGION OF TROUGHING WITH DEVELOPING LOW-LEVEL CIRCULATIONS (LLC) POSITIONED IN THE WESTERN END OF THE TROUGH AND IN THE NORTHEASTERN PORTION, IN THE VICINITY OF WAKE ISLAND. A PARTIAL 040952Z ASCAT-B PASS SHOWED SHARP CYCLONIC TURNING TO THE SOUTH OF WAKE ISLAND BUT DID CAPTURE THE ENTIRE EXTENT OF THE BROAD ROTATION. ENVIRONMENTAL ANALYSIS REVEALS FAVORABLE CONDITIONS ARE SUPPORTIVE OF DEVELOPMENT WITH LOW VERTICAL WIND SHEAR (10-15KTS), WARM SEA SURFACE TEMPERATURES (29 TO 30 C), AND GOOD POLEWARD OUTFLOW. HOWEVER, THE WINDOW OF OPPORTUNITY FOR TC DEVELOPMENT IS SMALL, AS GLOBAL MODELS DEPICT THE CIRCULATION MOVING UNDER AN UPPER-LEVEL TROUGH AND INTO A DRIER ENVIRONMENT, WHICH WILL SUPPORT THE TRANSITION OF THE SYSTEM INTO A SUBTROPICAL CYCLONE AFTER ABOUT 36 HOURS. GLOBAL MODELS INDICATE THE STEADY DEVELOPMENT OF 96W INTO A BROAD, BRIEFLY TROPICAL CYCLONE WITHIN THE NEXT 24 TO 36 HOURS. ENSEMBLE MODELS ALSO AGREE IN THE CONTINUED DEVELOPMENT OF 96W AND FOR IT TO TAKE A GENERAL NORTHWARD TRACK OVER THE NEXT 48 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 17 TO 22 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1001 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW. (3) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 3. JUSTIFICATION FOR REISSUE: JUSTIFICATION FOR REISSUE: ADDED LOW AREA IN PARA. 1.B.(2).// NNNN
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METRIC | IMPERIAL
Updated: 08/05/2026 @ 4:00am  
Temperature Current Conditions Forecast / Storm Prediction
Outside Temperature: Warmer 0.6°C than last hour.

27.7°C

Heat Index:  32.1°C
Feels like:  32°C
Warm
Indoor Temperature

81.5°C

Max Humidex:  40.2°C
Indoor Humidity: %
High Today
28.1°C
12:59 AM 		Low Today
24.4°C
2:11 AM
Yest High
31.3°C
9:24 AM 		Yest Low
24.9°C
12:50 PM
Sta* High
37.0°C
4/28/2026
 Sta* Low
0.0°C
6/27/2026
Space Weather Status
X-Ray: B8.0 Max: B9.8
NORMAL
Geomagnetic Field: 0.67
QUIET
Mostly cloudy Mostly cloudy ,
Mostly cloudy

Wind from SW Wind:  SW
27.7
Gusting to:
 44.3 km/h
Current Rain Rain Total:
6.0 mm
Rain Warning Rain Rate:
Chandler Burning Index: LOW Current CBI
Fire Danger:
0.2 % of 100%
LA NINA / EL NINO
Wednesday
Rain, Overcast rain
Rain, Overcast with 28°C
26°C 		Thursday
Rain, Overcast rain
Rain, Overcast with 27°C
25°C 		Friday
Rain, Overcast rain
Rain, Overcast with 29°C
25°C
VOLCANO THERMAL ALERT STATUS
TAAL
Volcano Alert Status
 MAYON
Volcano Alert Status
 PINATUBO
Volcano Alert Status
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 0.1°C since last hour. 25.1°C
Last Hour: Increased 0.1°C since last hour. 0.1°C
High 1:59 AM: 25.5°C
Low 2:11 AM: 23.4°C
Record High: 31.0°C on
May-26-2026
Record Low: 0.0°C on
Jun-27-2026
Wetbulb: 25.9°C


Today: 6.00 mm
Yesterday: 27.00 mm
Last 7 Days: 71.40 mm
Aug Rain: 56.10 mm
Aug to Date
  Avg:10 		0.00 mm
Aug to Date
  Diff from Avg:10 		Over 56.1 mm for the month 56.10 mm
Aug Avg: 466.70 mm
Diff from Avg: Under 410.6 mm for the month 410.60 mm
Season:1 1038.0 mm
YTD
  Avg:11 		1.00 mm
YTD
  Diff from Avg:11 		Over 1037 mm for the year 1037.00 mm
Last Rain
Time/Date: 		Aug-5-2026
at 2:10 AM
74 rain days in 2026
4 days in August
0 days since last rain
Current: SW  27.7 km/h
Highest Speed: 41.3 km/h
1Hr Average: 29.1 km/h
Wind Run: 83.00 km
Wind Gust
Current: 44.3 km/h
Today: 81.4 km/h 1:59 AM
Month: 92.9 km/h Aug-4
Year: 116.9 km/h May-29
Record Gust: 116.9 km/h
May-29-2026
Sunlight:
12 hrs 43 min 57 sec
of Sunlight Today
Which is 37 sec Shorter
Than Yesterday


(Noon)
graph (Midnight)

 Highslide JS
LAST QUARTER, 21 days, 10 hours, 21 minutes in cycle
50%
Illuminated
Outside Humidity Barometer
Current: Decreased 3% since last hour. 86%
Last Hour: Decreased 3% since last hour. 3%
High 2:13 AM: 95%
Low 12:00 AM: 83%
Record High: 99%
Dec-10-2025
Record Low: 0%
May-5-2026
Current: Falling 0.1 hPa/hr 1001.7 hPa
Last Hour: Steady
High 12:02 AM: 1003.3
Low 2:34 AM: 1001.6
Record High: 1017.0 hPa
Jan-24-2026
Record Low: 941.0 hPa
Jun-27-2026
Cooling Degree Days Tide Heat Index Air Quality
Today: 1.5
Aug: 37.7
2026 to Date: 1928.9
Heating Degree Days
2026 to Date: 0.0

4 hours, 37 minutes to low tide at
08:41 AM PST
Current: 32.1°C
High 12:59am: 32.8°C
Yesterday: 40.5°C
Record: 56.5°C
May-26-2026

20

Good

PM2.5: 4.72 ug/m3 PM10: 17.45 ug/m3

Last Updated: 2026-08-05 04:04:47 PHT
UV Summary/Forecast Solar Summary
High Yest:   16.0 @ 9:41 AM
Aug-05

13.9 		Aug-06

13.1 		Aug-07

12.6
High Yest:   1058.0 @ 9:42 AM
Sun Hours Today:
00:00
   This Month: 05:46 Hrs
Rise: 5:40 am  Set: 6:23 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Early Morning
YTD Avg Temp: 28.5°C
Sunrise: 5:40 am
Sunset: 6:23 pm
Moonrise: 10:48 pm
Moonset: 11:00 am
Full Moon: 14:36 UTC July 29 2026
Next Eclipse:
Image
12 Aug 2026 (8 days away): Total solar eclipse Thu, 13 Aug 2026 01:47:00 AM PST
Updated at Midnight
Current ET: 1.30 mm
7-Days Rain: 71.40 mm
7-Days ET: 10.40 mm
7-Day: 61 mm water in excess of what evaporated in last 7 days. 61 mm
August: 93.8 mm water in deficit of what evaporated this month. 93.8 mm
Solar HF Condition
HIGHS: LOWS:
37.0°C
Apr-28-2026 		0.0°C
Jun-27-2026
Daytime Records
  34.2°C
May-03-2026 		  23.4°C
Dec-20-2025
Nitetime Records
  31.6°C
Apr-05-2026 		  23.4°C
Jan-02-2026
ICN:4 | S3C2:5 | Ajax 3.xx
ISS:Ok | CON:%vpconsolebattery% | RCP:%vpreception2%
METRIC | IMPERIAL
Updated: 08/05/2026 @ 4:00am  
1 Rain season in the Philippines: June 1st to Oct 31st.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index is provided by Luftdaten System esp8266 and is updated every 5 mins..   10 Historical average only to day 5 of just the month of August for this station since 2016.   11 Historical average rain this season to day 5 of August for this station since 2016.
 VC Weather Forecast  -   with local Weather Outlook for Wednesday & Thursday
Wednesday
Rain, Overcast rain
Rain, Overcast
28°C
26°C 		VC forecast: Cloudy skies throughout the day with storms possible. Chance of precipitation (rain) 100%. High: 28°C. Low: 26°C. Wind WSW 29->48 km/h. UV Index 6.
Local Weather Advisory:
Issued: 4:00 PM, 04 August 2026 At 3:00 PM today, the Low Pressure Area (LPA) was estimated based on all available data at 180 km West of Bacnotan, La Union (16.8°N, 118.7°E). Southwest Monsoon affecting Southern Luzon and the western section of Visayas.
 Thursday
Rain, Overcast rain
Rain, Overcast
27°C
25°C 		VC forecast: Cloudy skies throughout the day with a chance of rain throughout the day. Chance of precipitation (rain) 100%. High: 27°C. Low: 25°C. Wind WSW 30->52 km/h. UV Index 2.
 VC Short Term Weather Forecast
Friday
Rain, Overcast rain
Rain, Overcast 		Saturday
Rain, Overcast rain
Rain, Overcast 		Sunday
Rain, Overcast rain
Rain, Overcast 		Monday
Rain, Overcast rain
Rain, Overcast 		Tuesday
Rain, Overcast rain
Rain, Overcast 		Wednesday
Rain, Overcast rain
Rain, Overcast 		Thursday
Rain, Overcast rain
Rain, Overcast
29°C
25°C 		28°C
26°C 		28°C
27°C 		27°C
27°C 		29°C
27°C 		29°C
26°C 		28°C
26°C
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