Routine Space Environment Product Issued Weekly
Issued by NWS
Issued by NWS
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090 FXXX05 KWNP 180456 WEKOUT :Product: 27-day Space Weather Outlook Table 27DO.txt :Issued: 2026 May 18 0431 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # https://www.swpc.noaa.gov/content/subscription-services # # 27-day Space Weather Outlook Table # Issued 2026-05-18 # # UTC Radio Flux Planetary Largest # Date 10.7 cm A Index Kp Index 2026 May 18 105 21 5 2026 May 19 110 21 5 2026 May 20 115 8 3 2026 May 21 115 10 3 2026 May 22 110 8 3 2026 May 23 112 5 2 2026 May 24 112 5 2 2026 May 25 115 5 2 2026 May 26 115 5 2 2026 May 27 115 12 4 2026 May 28 120 10 3 2026 May 29 125 8 3 2026 May 30 130 8 3 2026 May 31 135 8 3 2026 Jun 01 130 5 2 2026 Jun 02 130 5 2 2026 Jun 03 130 5 2 2026 Jun 04 125 12 4 2026 Jun 05 120 5 2 2026 Jun 06 115 5 2 2026 Jun 07 110 5 2 2026 Jun 08 105 5 2 2026 Jun 09 105 10 3 2026 Jun 10 100 5 2 2026 Jun 11 95 30 6 2026 Jun 12 95 25 5 2026 Jun 13 95 12 4