2026-08-20 01:57 AM EXTENDED WARNING: Geomagnetic K-index of 4 expected Extension to Serial Number: 5405 Valid From: 2026 Aug 17 2101 UTC Now Valid Until: 2026 Aug 20 0900 UTC Warning Condition: Persistence Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude. Induced Currents - Weak power grid fluctuations can occur. Aurora - Aurora may be visible at high latitudes such as Canada and Alaska. TROPICAL CYCLONE ADVISORY: ABPW10 PGTW 200600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/200600Z-210600ZAUG2026// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/200151ZAUG2026// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/200551ZAUG2026// 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 20AUG26 0000Z, TROPICAL STORM 17W (SAUDEL) WAS LOCATED NEAR 11.4N 151.6E, APPROXIMATELY 235 NM NORTH OF CHUUK, AND HAD TRACKED NORTHWESTWARD AT 15 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS. SEE REF A (WTPN31 PGTW 200300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 94W) PREVIOUSLY LOCATED NEAR 23.0N 126.7E IS NOW LOCATED NEAR 23.9N 127.1E, APPROXIMATELY 151 NM SOUTH-SOUTHWEST OF KADENA AIR FORCE BASE. THE SYSTEM IS CURRENTLY CLASSIFIED AS A MONSOON DEPRESSION, GENERALLY CHARACTERIZED AS A LARGE CYCLONIC CIRCULATION, GREATER THAN 600 NM DIAMETER, WITH ENHANCED WINDS OVER THE SOUTHEASTERN PERIPHERY AND A WEAK CORE OF LIGHT WINDS. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A BROAD CIRCULATION CENTER PARTIALLY OBSCURED BY DENSE CONVECTION BUILDING TO THE SOUTH-SOUTHEASTERN PERIPHERY. ENVIRONMENTAL ANALYSIS REVEALS MOSTLY CONDUCIVE CONDITIONS FOR DEVELOPMENT WITH LOW TO MODERATE (15 TO 20 KTS) VERTICAL WIND SHEAR, MODERATE UPPER-LEVEL EQUATORWARD OUTFLOW, AND WARM (28-29C) SEA SURFACE TEMPERATURES. GLOBAL MODELS INDICATE THAT THE BROAD CIRCULATION IS UNLIKELY TO CONSOLIDATE INTO A TROPICAL CYCLONE IN THE NEXT 24-36 HOURS. FOR HAZARDS AND WARNINGS, REFERENCE THE FLEET WEATHER CENTER SAN DIEGO HIGH WINDS AND SEAS PRODUCT OR REFER TO LOCAL WMO DESIGNATED FORECAST AUTHORITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1003 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW. (2) THE AREA OF CONVECTION (INVEST 95W) PREVIOUSLY LOCATED NEAR 19.5N 111.8E IS NOW LOCATED NEAR 19.6N 110.3E, APPROXIMATELY 25 NM SOUTH OF HAIKOU, HAINAN. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS AN ELONGATED LOW-LEVEL CIRCULATION (LLC) POSITIONED OVER HAINAN AND OBSCURED BY WIDESPREAD MID- TO HIGH-LEVEL CLOUDS. A 200159Z METOP-C ASCAT PASS REVEALED A BROAD CIRCULATION WITH ELEVATED NORTHEASTERLY WINDS ON THE NORTHWESTERN PERIPHERY AND 25 KT WESTERLY WINDS HUGGING THE SOUTHERN COAST OF HAINAN. WHILE THE SURROUNDING ENVIRONMENT IS GENERALLY FAVORABLE, CHARACTERIZED BY LOW TO MODERATE VERTICAL WIND SHEAR (15 TO 20KTS), MODERATE EQUATORWARD OUTFLOW, AND (28-30C) WARM SEA SURFACE TEMPERATURES, THE DISTURBANCE IS OVER LAND, WHICH WILL INHIBIT NEAR-TERM DEVELOPMENT. GLOBAL DETERMINISTIC AND ENSEMBLE MODELS INDICATE THAT 95W WILL GRADUALLY CONSOLIDATE AS IT TRANSITS NORTHEAST INTO THE GULF OF TONKIN OVER THE NEXT 36 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 23 TO 28 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 999 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH. SEE REF B (WTPN21 PGTW 200600) FOR FURTHER DETAILS. (3) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: (1) THE AREA OF CONVECTION (INVEST 96W) PREVIOUSLY LOCATED NEAR 33.2N 164.1E IS NOW LOCATED NEAR 35.6N 160.9E, APPROXIMATELY 969 NM EAST-SOUTHEAST OF MISAWA, JAPAN. THE SYSTEM IS CURRENTLY CLASSIFIED AS A SUBTROPICAL CYCLONE, GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL AND MIDLATITUDE CYCLONE FEATURES. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS INVEST 96W WITH A FULLY EXPOSED LOW- LEVEL CIRCULATION CENTER (LLCC) AND DEEP ASSOCIATED CONVECTION OVER THE WEST-NORTHWESTERN PERIPHERY. A POTENT UPPER-LEVEL LOW PRESENTLY INHIBITS CONVECTIVE ACTIVITY OVER THE CENTER, AND PLENTY OF DRY AIR IS WRAPPING INTO THE CIRCULATION. DETERMINISTIC MODELS SHOW 96W TRANSITING NORTHWESTWARD AND DIMINISHING AS THE UPPER-LEVEL LOW WEAKENS AND THE ENVIRONMENTAL CONDITIONS BECOME MORE HOSTILE, WITH TRANSITION INTO A TROPICAL CYCLONE BEING UNLIKELY. FOR HAZARDS AND WARNINGS, REFERENCE THE FLEET WEATHER CENTER SAN DIEGO HIGH WINDS AND SEAS PRODUCT OR REFER TO LOCAL WMO DESIGNATED FORECAST AUTHORITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 28 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1005 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW. (2) NO OTHER SUBTROPICAL SYSTEMS. 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.// NNNN
THUNDERSTORM (c/o PAGASA)

Thunderstorm Advisory No. 13 #VISPRSD
Issued at 06:47 PM 20 August 2026

Moderate to Heavy rainshowers with lightning and strong winds are expected over #EasternSamar(Quinapondan, Hernani, GeneralMacarthur and Giporlos) within the next 30 minutes to an hour.

The above conditions are being experienced in #NegrosOccidental(CityOfKabankalan, Ilog, HinobaAn, Candoni, CityOfHimamaylan, Binalbagan), #EasternSamar(Guiuan, Mercedes and Salcedo) which may persist within 1 to 2 hours and may affect nearby areas.

Published by: VISPRSDValid until: Aug 20, 2026 08:47 PM
Affected Areas: Negros Occidental, Eastern Samar
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METRIC | IMPERIAL
Updated: 08/20/2026 @ 7:00pm  
Temperature Current Conditions Forecast / Storm Prediction
Outside Temperature: Colder 0.2°C than last hour.

28.7°C

Heat Index:  37.0°C
Feels like:  37°C
Warm
Indoor Temperature

89.6°C

Max Humidex:  44.1°C
Indoor Humidity: %
High Today
31.0°C
2:36 PM
Low Today
24.5°C
5:57 AM
Yest High
28.6°C
11:33 AM
Yest Low
23.1°C
3:27 AM
Sta* High
37.0°C
4/28/2026
Sta* Low
0.0°C
6/27/2026
Space Weather Status
X-Ray: B9.8 Max: C2.4
NORMAL
Geomagnetic Field: 2
QUIET
Partly cloudy Partly cloudy ,
Partly cloudy

Wind from S Wind:  S
14.0

Gusting to:
20.2 km/h
Current Rain Rain Total:
26.7 mm
Rain Warning Rain Rate:
Chandler Burning Index: LOW Current CBI
Fire Danger:
-0.9 % of 100%
LA NINA / EL NINO
Thursday
Rain, Partially cloudy rain
Rain, Partially cloudy with 32°C
25°C
Friday
Rain, Partially cloudy rain
Rain, Partially cloudy with 31°C
26°C
Saturday
Rain, Overcast rain
Rain, Overcast with 30°C
26°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: Decreased 0.1°C since last hour. 27.6°C
Last Hour: Decreased 0.1°C since last hour. 0.1°C
High 9:51 AM: 28.7°C
Low 5:57 AM: 24.3°C
Record High: 31.0°C on
May-26-2026
Record Low: 0.0°C on
Jun-27-2026
Wetbulb: 27.9°C


Today: 26.70 mm
Yesterday: 97.20 mm
Last 7 Days: 629.20 mm
Aug Rain: 1281.60 mm
Aug to Date
  Avg:10
0.00 mm
Aug to Date
  Diff from Avg:10
Over 1281.6 mm for the month 1281.60 mm
Aug Avg: 466.70 mm
Diff from Avg: Over 814.9 mm for the month 814.90 mm
Season:1 2263.5 mm
YTD
  Avg:11
1.00 mm
YTD
  Diff from Avg:11
Over 2262.5 mm for the year 2262.50 mm
Last Rain
Time/Date:
Aug-20-2026
at 6:40 AM
89 rain days in 2026
19 days in August
0 days since last rain
Current: S  14.0 km/h
Highest Speed: 42.6 km/h
1Hr Average: 15.6 km/h
Wind Run: 263.87 km
Wind Gust
Current: 20.2 km/h
Today: 76.8 km/h 12:11 PM
Month: 124.9 km/h Aug-16
Year: 124.9 km/h Aug-16
Record Gust: 124.9 km/h
Aug-16-2026
Sunlight:
12 hrs 33 min 39 sec
of Sunlight Today
Which is 44 sec Shorter
Than Yesterday


(Noon)
graph (Midnight)

Highslide JS
Morning Crescent, 7 days, 17 hours, 34 minutes in cycle
21%
Illuminated
Outside Humidity Barometer
Current: Increased 1% since last hour. 94%
Last Hour: Increased 1% since last hour. 1%
High 12:00 AM: 99%
Low 11:12 AM: 86%
Record High: 99%
Dec-10-2025
Record Low: 0%
May-5-2026
Current: Rising 0.6  hPa/hr 1007.8 hPa
Last Hour: Steady
High 8:34 AM: 1008.9
Low 2:25 PM: 1005.9
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: 6.2
Aug: 158.3
2026 to Date: 2049.6
Heating Degree Days
2026 to Date: 0.0

8 hours, 9 minutes to high tide at
03:20 AM PST


Current: 37.0°C
High 2:37pm: 43.5°C
Yesterday: 36.6°C
Record: 56.5°C
May-26-2026

81

Moderate

PM2.5: 26.13 ug/m3 PM10: 34.83 ug/m3

Last Updated: 2026-08-20 19:11:47 PHT
UV Summary/Forecast Solar Summary
High Today:   13.0 @ 11:53 AM
Aug-21

12.8
Aug-22

12.8
Aug-23

13.4
High Today:  
893 W/m2 @ 1:08 PM
Sun Hours Today:
01:40
   This Month: 23:22 Hrs
Rise: 5:42 am  Set: 6:16 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 28.5°C
Sunrise: 5:42 am
Sunset: 6:16 pm
Moonrise: 12:08 pm
Moonset: 11:33 pm
Full Moon: 04:19 UTC August 28 2026
Next Eclipse:
Image
28 Aug 2026 (8 days away): Partial lunar eclipse Fri, 28 Aug 2026 12:14:00 PM PST
Updated at Midnight
Current ET: 2.00 mm
7-Days Rain: 629.20 mm
7-Days ET: 6.20 mm
7-Day:  623 mm water in excess of what evaporated in last 7 days. 623 mm
August:  1114.6 mm water in excess of what evaporated this month. 1114.6 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: 08/20/2026 @ 7:00pm  
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 20 of just the month of August for this station since 2016.   11 Historical average rain this season to day 20 of August for this station since 2016.
 VC Weather Forecast  -   with local Weather Outlook for Thursday & Friday
Thursday
Rain, Partially cloudy rain
Rain, Partially cloudy
32°C
25°C
VC forecast: Partly cloudy throughout the day with storms possible. Chance of precipitation (rain) 100%. High: 32°C. Low: 25°C. Wind WSW 27->55 km/h. UV Index 7.
Local Weather Advisory:
Issued: 4:00 PM, 20 August 2026 At 3:00 PM today, the Low Pressure Area (formerly Tropical Depression "NENENG") was estimated based on all available data at 460 km North of Itbayat, Batanes (24.9°N, 122.2°E). Southwest Monsoon affecting Luzon.
Friday
Rain, Partially cloudy rain
Rain, Partially cloudy
31°C
26°C
VC forecast: Partly cloudy throughout the day with rain clearing later. Chance of precipitation (rain) 74%. High: 31°C. Low: 26°C. Wind WSW 23->31 km/h. UV Index 10.
 VC Short Term Weather Forecast
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
Friday
Rain, Overcast rain
Rain, Overcast
30°C
26°C
28°C
26°C
27°C
26°C
27°C
26°C
28°C
26°C
27°C
25°C
27°C
26°C
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