Severe thunderstorms will be possible over portions of the Central Plains today. An Moderate Risk (level 4 of 5) has been issued for western and central Kansas. The main threats will be damaging wind gusts, large hail, and a few tornadoes. The severe weather threat continues across the Central U.S. over the next few days. Read More >
PEAC seasonal Rainfall OutlookThe PEAC seasonal Rainfall Outlook is an experimental consenus forecast, produced monthly for 14 stations within Hawaii and the USAPI. The PEAC Outlook uses data from the following 7 models: UKMO, NASA GMAO, ECMWF, IRI, NCEP Constructed Analog, NCEP Coupled Model and APCC MME. The PEAC seasonal Rainfall Outlook is a probabalistic forecast displayed in tercile form (3 categories). The three categories represent the chances of an event falling into the "Below Average", "Near Average" and "Above Average" categories, respectively. For example, a seasonal rainfall forecast of 20:30:50 should be interpreted as follows: There is a 20% chance of "Below Average" rainfall for the season; a 30% chance of "Near Average" rainfall for the season; and a 50% chance of "Above Average" rainfall for the season. For more information on terciles, click here.
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April-May-June (AMJ) 2024 |
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Forecast Discussion |
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Koror: Rainfall for April-May-June 2024 is expected to be Below for Airai. There is a 45% chance that rainfall during the AMJ season will be less than 34.28 inches; a 30% chance that rainfall will be between 34.28 inches and 42.1 inches; and a 25% chance that rainfall will be greater than 42.1 inches. Yap: Rainfall for April-May-June 2024 is expected to be Below for Yap. There is a 45% chance that rainfall during the AMJ season will be less than 21 inches; a 30% chance that rainfall will be between 21 inches and 32.89 inches; and a 25% chance that rainfall will be greater than 32.89 inches. Chuuk: Rainfall for April-May-June 2024 is expected to be Below for Chuuk. There is a 45% chance that rainfall during the AMJ season will be less than 32.97 inches; a 30% chance that rainfall will be between 32.97 inches and 39.15 inches; and a 25% chance that rainfall will be greater than 39.15 inches. Pohnpei: Rainfall for April-May-June 2024 is expected to be Below for Pohnpei. There is a 45% chance that rainfall during the AMJ season will be less than 49.71 inches; a 30% chance that rainfall will be between 49.71 inches and 56.96 inches; and a 25% chance that rainfall will be greater than 56.96 inches. Kosrae: Rainfall for April-May-June 2024 is expected to be Below for Kosrae. There is a 40% chance that rainfall during the AMJ season will be less than 47.62 inches; a 35% chance that rainfall will be between 47.62 inches and 51.87 inches; and a 25% chance that rainfall will be greater than 51.87 inches. Kwajalein: Rainfall for April-May-June 2024 is expected to be Below for Kwajalein. There is a 45% chance that rainfall during the AMJ season will be less than 15.41 inches; a 30% chance that rainfall will be between 15.41 inches and 26.35 inches; and a 25% chance that rainfall will be greater than 26.35 inches. Majuro: Rainfall for April-May-June 2024 is expected to be Below for Majuro. There is a 45% chance that rainfall during the AMJ season will be less than 25.63 inches; a 30% chance that rainfall will be between 25.63 inches and 34.51 inches; and a 25% chance that rainfall will be greater than 34.51 inches. Guam: Rainfall for April-May-June 2024 is expected to be Below for Guam. There is a 40% chance that rainfall during the AMJ season will be less than 13.05 inches; a 35% chance that rainfall will be between 13.05 inches and 15.95 inches; and a 25% chance that rainfall will be greater than 15.95 inches. Saipan: Rainfall for April-May-June 2024 is expected to be Below for Saipan. There is a 45% chance that rainfall during the AMJ season will be less than 8.14 inches; a 30% chance that rainfall will be between 8.14 inches and 11.06 inches; and a 25% chance that rainfall will be greater than 11.06 inches. Pago Pago: Rainfall for April-May-June 2024 is expected to be Avg-Above for Pago Pago. There is a 30% chance that rainfall during the AMJ season will be less than 22.42 inches; a 35% chance that rainfall will be between 22.42 inches and 33.53 inches; and a 35% chance that rainfall will be greater than 33.53 inches. Lihue: Rainfall for April-May-June 2024 is expected to be Below for Lihue. There is a 45% chance that rainfall during the AMJ season will be less than 5.32 inches; a 30% chance that rainfall will be between 5.32 inches and 7.98 inches; and a 25% chance that rainfall will be greater than 7.98 inches. Honolulu: Rainfall for April-May-June 2024 is expected to be Below for Honolulu. There is a 45% chance that rainfall during the AMJ season will be less than 4.74 inches; a 30% chance that rainfall will be between 4.74 inches and 5.97 inches; and a 25% chance that rainfall will be greater than 5.97 inches. Kahului: Rainfall for April-May-June 2024 is expected to be Below for Kahului. There is a 45% chance that rainfall during the AMJ season will be less than 1.25 inches; a 30% chance that rainfall will be between 1.25 inches and 2.17 inches; and a 25% chance that rainfall will be greater than 2.17 inches. Hilo: Rainfall for April-May-June 2024 is expected to be Avg-Below for Hilo. There is a 35% chance that rainfall during the AMJ season will be less than 21.42 inches; a 35% chance that rainfall will be between 21.42 inches and 29.01 inches; and a 30% chance that rainfall will be greater than 29.01 inches. |
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The PEAC seasonal Rainfall Outlook is an experimental consensus forecast, produced monthly by the Pacific ENSO Applications Climate (PEAC) Service's for 14 stations within Hawaii and the USAPI. Tercile cut-offs for each location and season are based on Pacific Rainfall Climatologies (Climate Prediction Center) 1981-2010. The new climatologies are currently in the works and will be integrated once approved. Last Updated: April 22, 2024 |