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2026-05-27 10:28 AM SUMMARY: Proton Event 10MeV Integral Flux exceeded 10pfu Begin Time: 2026 May 27 0015 UTC Maximum Time: 2026 May 26 0110 UTC End Time: 2026 May 26 0425 UTC Maximum 10MeV Flux: 23 pfu Noaa Scale: S1 - Minor Comment: NOAA Scale: S1 - Minor TROPICAL CYCLONE ADVISORY: ABPW10 PGTW 261500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/261500Z-270600ZMAY2026// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/261451ZMAY2026// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 99W) PREVIOUSLY LOCATED NEAR 8.3N 138.5E IS NOW LOCATED NEAR 8.7N 137.2E, APPROXIMATELY 77 NM SOUTHWEST OF YAP. ANIMATED MULTISPECTRAL SATELLITE IMAGERY AND A PARTIAL 261216Z ASCAT PASS DEPICT A SWATH OF 25 KT WINDS ON THE WESTERN AND SOUTHERN PERIPHERIES OF AN ELONGATED AREA OF ROTATION WHICH EXTENDS FROM THE LOW LEVEL CIRCULATION CENTER (LLCC) TOWARDS THE SOUTHWEST TOWARDS PALAU. ENVIRONMENTAL ANALYSIS REVEALS A FAVORABLE ENVIRONMENT FOR DEVELOPMENT WITH MODERATE POLEWARD UPPER-LEVEL OUTFLOW, LOW TO MODERATE VERTICAL WIND SHEAR (10-15 KTS), AND WARM SEA SURFACE TEMPERATURES (29-30 C). GLOBAL DETERMINISTIC AND ENSEMBLE MODELS AGREE ON 99W TRACKING GENERALLY NORTHWESTWARD OVER THE NEXT 24-48 HOURS AS IT CONTINUES TO CONSOLIDATE AND STEADILY INTENSIFY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 18 TO 23 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 IS UPGRADED TO HIGH. SEE REF A (WTPN21 PGTW 261500) FOR FURTHER DETAILS. (2) 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: UPGRADED AREA IN PARA. 1.B.(1) TO HIGH.// NNNN
THUNDERSTORM (c/o PAGASA)

Thunderstorm Advisory No. 7 #VISPRSD
Issued at 10:35 AM 27 May 2026

Moderate to Heavy rainshowers with lightning and strong winds are expected over #Antique(Culasi, Tibiao, Sibalom, Hamtic), #Capiz(Panay, Ivisan), #NegrosOccidental(CityOfSipalay, HinobaAn, CityOfEscalante and Toboso) within the next 1 to 2 hours.

The above conditions are being experienced in #Capiz(RoxasCity), #Guimaras(NuevaValencia), #NegrosOccidental(Cauayan and SagayCity) which may persist within 1 to 2 hours and may affect nearby areas.

Published by: VISPRSDValid until: May 27, 2026 12:35 PM
Affected Areas: Antique, Capiz, Guimaras, Negros Occidental
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METRIC | IMPERIAL
Updated: 05/27/2026 @ 11:00am  
Temperature Current Conditions Forecast / Storm Prediction
Outside Temperature: Warmer 0.7°C than last hour.

33.7°C

Heat Index:  46.9°C
Feels like:  47°C
Hot
Indoor Temperature

97.4°C

Max Humidex:  49.2°C
Indoor Humidity: %
High Today
34.0°C
10:31 AM 		Low Today
28.5°C
3:17 AM
Yest High
35.9°C
2:16 PM 		Yest Low
29.0°C
5:03 AM
Sta* High
37.0°C
4/28/2026
 Sta* Low
21.4°C
1/24/2026
Space Weather Status
X-Ray: B8.9 Max: C1.9
NORMAL
Geomagnetic Field: 2.33
QUIET
Few Clouds Few Clouds ,
Few Clouds

Wind from SW Wind:  SW
19.1
Gusting to:
 28.1 km/h
Current Rain Rain Total:
0.6 mm
Rain Warning Rain Rate:
Chandler Burning Index: LOW Current CBI
Fire Danger:
5.1 % of 100%
LA NINA / EL NINO
EL Nino and La Nina Scripted by PIMOHWEATHER Philippines
Wednesday
Partially cloudy rain
Partially cloudy with 35°C
29°C 		Thursday
Rain, Partially cloudy rain
Rain, Partially cloudy with 34°C
27°C 		Friday
Rain, Partially cloudy rain
Rain, Partially cloudy with 33°C
27°C
Official Record High
99W INVEST TD 46 kph OUTSIDE PAR
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 1°C since last hour. 27.7°C
Last Hour: Decreased 1°C since last hour. 1°C
High 8:45 AM: 29.5°C
Low 5:12 AM: 26.9°C
Record High: 30.2°C on
May-26-2026
Record Low: 16.2°C on
Mar-14-2026
Wetbulb: 29.3°C


Today: 0.60 mm
Yesterday: 0.00 mm
Last 7 Days: 0.90 mm
May Rain: 54.60 mm
May to Date
  Avg:10 		0.00 mm
May to Date
  Diff from Avg:10 		Over 54.6 mm for the month 54.60 mm
May Avg: 200.30 mm
Diff from Avg: Under 145.7 mm for the month 145.70 mm
Season:1 117.6 mm
YTD
  Avg:11 		199.40 mm
YTD
  Diff from Avg:11 		Under 81.8 mm for the year 81.80 mm
Last Rain
Time/Date: 		May-27-2026
at 2:58 AM
28 rain days in 2026
8 days in May
0 days since last rain
Current: SW  19.1 km/h
Highest Speed: 20.7 km/h
1Hr Average: 9.7 km/h
Wind Run: 37.86 km
Wind Gust
Current: 28.1 km/h
Today: 40.7 km/h 10:32 AM
Month: 100.8 km/h May-13
Year: 100.8 km/h May-13
Record Gust: 100.8 km/h
May-13-2026
Sunlight:
12 hrs 54 min 19 sec
of Sunlight Today
Which is 24 sec Longer
Than Yesterday


(Noon)
graph (Midnight)

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LAST QUARTER, 10 days, 7 hours, 2 minutes in cycle
50%
Illuminated
Outside Humidity Barometer
Current: Decreased 7% since last hour. 71%
Last Hour: Decreased 7% since last hour. 7%
High 3:04 AM: 93%
Low 10:57 AM: 71%
Record High: 99%
Dec-10-2025
Record Low: 42%
Apr-7-2026
Current: Falling 0.5 hPa/hr 1008.0 hPa
Last Hour: Steady
High 9:13 AM: 1008.6
Low 2:47 AM: 1006.1
Record High: 1017.0 hPa
Jan-24-2026
Record Low: 1001.5 hPa
May-12-2026
Cooling Degree Days Tide Heat Index Air Quality
Today: 5.2
May: 335.9
2026 to Date: 1173.4
Heating Degree Days
2026 to Date: 0.0

3 hours, 35 minutes to low tide at
02:38 PM PST
Current: 46.9°C
High 10:32am: 50.5°C
Yesterday: 54.4°C
Record: 55.7°C
May-24-2026

81

Moderate

PM2.5: 26.52 ug/m3 PM10: 33.55 ug/m3

Last Updated: 2026-05-27 11:03:39 PHT
Current UV Index Current Solar Energy9
9.0
Sunburn in
12 Minutes 		Highest:
9:06 AM
9.0
661 W/m2
0%
W/m2 ⇒ SI 		High Today:
10:49 AM
 664  W/m2
Record:
1034 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Morning
YTD Avg Temp: 27.7°C
Sunrise: 5:26 am
Sunset: 6:20 pm
Moonrise: 2:59 pm
Moonset: 2:52 am
Full Moon: 08:46 UTC May 31 2026
Next Eclipse:
Image
12 Aug 2026 (79 days away): Total solar eclipse Thu, 13 Aug 2026 01:47:00 AM PST
Updated at Midnight
Current ET: 2.20 mm
7-Days Rain: 0.90 mm
7-Days ET: 16.70 mm
7-Day: 15.8 mm water in deficit of what evaporated in last 7 days. 15.8 mm
May: 115.8 mm water in deficit of what evaporated this month. 115.8 mm
Solar HF Condition
HIGHS: LOWS:
37.0°C
Apr-28-2026 		21.4°C
Jan-24-2026
Daytime Records
  34.1°C
May-23-2026 		  23.4°C
Dec-20-2025
Nitetime Records
  31.6°C
Apr-05-2026 		  23.4°C
Jan-02-2026
ICN:9 | S3C2:5 | Ajax 3.xx
ISS:Ok | CON:%vpconsolebattery% | RCP:%vpreception2%
METRIC | IMPERIAL
Updated: 05/27/2026 @ 11:00am  
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..   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 27 of just the month of May for this station since 2016.   11 Historical average rain this season to day 27 of May for this station since 2016.
 VC Weather Forecast  -   with local Weather Outlook for Wednesday & Thursday
Wednesday
Partially cloudy rain
Partially cloudy
35°C
29°C 		VC forecast: Becoming cloudy in the afternoon with storms possible. Chance of precipitation (rain) 42%. High: 35°C. Low: 29°C. Wind SSW 20->21 km/h. UV Index 10.
Local Weather Advisory:

Southwesterly Windflow affecting Palawan and the western section of Mindanao. Trough of Tropical Depression (TD) affecting the rest of Mindanao.
 Thursday
Rain, Partially cloudy rain
Rain, Partially cloudy
34°C
27°C 		VC forecast: Partly cloudy throughout the day with storms possible. Chance of precipitation (rain) 87%. High: 34°C. Low: 27°C. Wind SSW 19->15 km/h. UV Index 9.
 VC Short Term Weather Forecast
Friday
Rain, Partially cloudy rain
Rain, Partially cloudy 		Saturday
Rain, Partially cloudy rain
Rain, Partially cloudy 		Sunday
Rain, Partially cloudy rain
Rain, Partially cloudy 		Monday
Rain, Overcast rain
Rain, Overcast 		Tuesday
Rain, Overcast rain
Rain, Overcast 		Wednesday
Rain, Partially cloudy rain
Rain, Partially cloudy 		Thursday
Rain, Overcast rain
Rain, Overcast
33°C
27°C 		34°C
27°C 		33°C
27°C 		32°C
26°C 		29°C
26°C 		31°C
25°C 		27°C
26°C
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