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2026-04-21 03:34 AM Space Weather Message Code: ALTK05 Serial Number: 1783 Issue Time: 2026-04-20T19:34:00 ALERT: Geomagnetic K-index of 5 THRESHOLD: 2026-04-20 19:34 UTC ISSUED BY: Forecaster User SYNOPTIC PERIOD: 1800-2100 ACTIVE WARNING: YES NOAA SCALE: G1 - Minor COMMENT: G1 - Minor 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-210600ZAPR2026// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/191951ZAPR2026// AMPN/REF A IS A TROPICAL CYCLONE FINAL WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 19APR26 1800Z, TROPICAL STORM 04W (SINLAKU) WAS LOCATED NEAR 28.7N 156.1E, APPROXIMATELY 805 NM NORTHWEST OF WAKE ISLAND, AND HAD TRACKED EASTWARD AT 21 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 50 KNOTS GUSTING TO 65 KNOTS. SEE REF A (WTPN31 PGTW 192100) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. 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.// NNNN
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METRIC | IMPERIAL
Updated: 04/21/2026 @ 3:30am  
Temperature Current Conditions Forecast / Storm Prediction
Outside Temperature: Colder 0.3°C than last hour.

27.0°C

Heat Index:  29.6°C
Feels like:  30°C
Warm
Indoor Temperature

87.7°C

Max Humidex:  37.1°C
Indoor Humidity: %
High Today
28.5°C
12:00 AM 		Low Today
27.0°C
3:00 AM
Yest High
34.4°C
2:33 PM 		Yest Low
26.9°C
5:04 AM
Sta* High
36.2°C
4/9/2026
 Sta* Low
21.4°C
1/24/2026
Space Weather Status
X-Ray: B4.8 Max: B6.0
NORMAL
Geomagnetic Field: 4.67
MINOR STORM
Few Clouds Few Clouds ,
Few Clouds

Calm Wind:  NNE
0.0
Gusting to:
 0.0 km/h
Current Rain Rain Total:
0.0 mm
Rain Warning Rain Rate:
Chandler Burning Index: LOW Current CBI
Fire Danger:
1.9 % of 100%
LA NINA / EL NINO
EL Nino and La Nina Scripted by PIMOHWEATHER Philippines
Tuesday
Clear
Clear with 37°C
25°C 		Wednesday
Clear
Clear with 36°C
25°C 		Thursday
Clear
Clear with 35°C
25°C
Official Record High
04W SINLAKU TS 83 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 0.2°C since last hour. 22.8°C
Last Hour: Decreased 0.2°C since last hour. 0.2°C
High 12:12 AM: 23.4°C
Low 1:41 AM: 22.7°C
Record High: 28.5°C on
Apr-19-2026
Record Low: 16.2°C on
Mar-14-2026
Wetbulb: 24.1°C


Today: 0.00 mm
Yesterday: 0.00 mm
Last 7 Days: 0.00 mm
Apr Rain: 0.00 mm
Apr to Date
  Avg:10 		0.00 mm
Apr to Date
  Diff from Avg:10 		No Change 0.00 mm
Apr Avg: 39.80 mm
Diff from Avg: Under 39.8 mm for the month 39.80 mm
Season:1 63.0 mm
YTD
  Avg:11 		166.20 mm
YTD
  Diff from Avg:11 		Under 103.2 mm for the year 103.20 mm
Last Rain
Time/Date: 		Apr-5-2026
at 6:44 AM
21 rain days in 2026
1 day in April
16 days since last rain
Current: NNE  0.0 km/h
Highest Speed: 2.4 km/h
1Hr Average: 0.4 km/h
Wind Run: 1.67 km
Wind Gust
Current: 0.0 km/h
Today: 13.0 km/h 12:13 AM
Month: 84.5 km/h Apr-16
Year: 92.9 km/h Feb-4
Record Gust: 92.9 km/h
Feb-4-2026
Sunlight:
12 hrs 32 min 19 sec
of Sunlight Today
Which is 45 sec Longer
Than Yesterday


(Noon)
graph (Midnight)

 Highslide JS
Evening Crescent, 3 days, 7 hours, 55 minutes in cycle
15%
Illuminated
Outside Humidity Barometer
Current: Increased 1% since last hour. 78%
Last Hour: Increased 1% since last hour. 1%
High 2:57 AM: 79%
Low 12:00 AM: 73%
Record High: 99%
Dec-10-2025
Record Low: 42%
Apr-7-2026
Current: Falling 0.5 hPa/hr 1008.1 hPa
Last Hour: Steady
High 12:00 AM: 1009.7
Low 3:17 AM: 1007.8
Record High: 1017.0 hPa
Jan-24-2026
Record Low: 1002.8 hPa
Jan-18-2026
Cooling Degree Days Tide Heat Index Air Quality
Today: 1.4
Apr: 234.3
2026 to Date: 892.4
Heating Degree Days
2026 to Date: 0.0

4 hours, 47 minutes to falling: tide at
08:34 AM PST
Current: 29.6°C
High 12:12am: 32.3°C
Yesterday: 46.8°C
Record: 49.6°C
Apr-9-2026

73

Moderate

PM2.5: 22.75 ug/m3 PM10: 26.83 ug/m3

Last Updated: 2026-04-21 03:47:35 PHT
UV Summary/Forecast Solar Summary
High Yest:   9.0 @ 11:04 AM
Apr-21

12.5 		Apr-22

13.2 		Apr-23

13.0
High Yest:   668.4 @ 12:03 PM
Sun Hours Today:
00:00
   This Month: 36:30 Hrs
Rise: 5:38 am  Set: 6:11 pm
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Night
YTD Avg Temp: 26.7°C
Sunrise: 5:38 am
Sunset: 6:11 pm
Moonrise: 8:48 am
Moonset: 10:23 pm
Full Moon: 17:24 UTC May 1 2026
Next Eclipse:
Image
12 Aug 2026 (114 days away): Total solar eclipse Thu, 13 Aug 2026 01:47:00 AM PST
Updated at Midnight
Current ET: 0.50 mm
7-Days Rain: 0.00 mm
7-Days ET: 14.80 mm
7-Day: 14.8 mm water in deficit of what evaporated in last 7 days. 14.8 mm
April: 78.2 mm water in deficit of what evaporated this month. 78.2 mm
Solar HF Condition
HIGHS: LOWS:
36.2°C
Apr-9-2026 		21.4°C
Jan-24-2026
Daytime Records
  32.2°C
Apr-06-2026 		  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: 04/21/2026 @ 3:30am  
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 21 of just the month of April for this station since 2017.   11 Historical average rain this season to day 21 of April for this station since 2017.
 VC Weather Forecast  -   with local Weather Outlook for Tuesday & Wednesday
Tuesday
Clear
Clear
37°C
25°C 		VC forecast: Clear conditions throughout the day. Chance of precipitation 3%. High: 37°C. Low: 25°C. Wind ESE 24->22 km/h. UV Index 10.
Local Weather Advisory:

Easterlies affecting Southern Luzon, Visayas, and Mindanao.
 Wednesday
Clear
Clear
36°C
25°C 		VC forecast: Clear conditions throughout the day. Chance of precipitation 3%. High: 36°C. Low: 25°C. Wind SSE 21->21 km/h. UV Index 10.
 VC Short Term Weather Forecast
Thursday
Clear
Clear 		Friday
Clear
Clear 		Saturday
Partially cloudy rain
Partially cloudy 		Sunday
Partially cloudy rain
Partially cloudy 		Monday
Partially cloudy rain
Partially cloudy 		Tuesday
Partially cloudy
Partially cloudy 		Wednesday
Overcast rain
Overcast
35°C
25°C 		37°C
26°C 		36°C
26°C 		36°C
26°C 		34°C
26°C 		36°C
26°C 		34°C
26°C
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