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Volcano earthquake report for Thursday, 27 Aug 2026
• Strong mag. 5.2 earthquake - 334 km south of Ogasawara, Tokyo, Japan, on Th...
• Seismic-like event, possible earthquake, reported minutes ago near Granada,...
• World Earthquake Report for Thursday, 27 August 2026
• Possible earthquake reported near Acapulco de Juárez, Guerrero, Mexico, a ...
• Moderate mag. 4.3 earthquake - 16 km southeast of Acapulco de Juárez, Esta...
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SPC Aug 27, 2026 Day 4-8 Severe Weather Outlook
Webmaster
12 hours ago
SPC Aug 27, 2026 Day 4-8 Severe Weather OutlookDay 4-8 Outlook  Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0258 AM CDT Thu Aug 27 2026
Valid 301200Z - 041200Z
...DISCUSSION... ...D4/Sunday - Northern Plains... Some severe weather is possible across the northern Plains on Sunday, but details remain unclear. The primary mid-level shortwave trough and associated large-scale ascent is expected to traverse northern Montana and North Dakota. However, the greater instability is focused farther southeast across eastern South Dakota and southwest Montana. The ECMWF shows enough instability developing farther north into south-central North Dakota to support some severe weather threat. The uncertainties regarding destabilization and storm coverage preclude severe weather probabilities at this time.
...D5 and Beyond... The forecast next week features multiple mid-level shortwave troughs and considerable uncertainty with the timing of these features. However, there is a larger scale trend toward a ridge building across the Plains with northwesterly flow from the Upper Midwest to the Mid-Atlantic/New England. Moderate to strong instability along this corridor will support some severe weather potential next week. However, specific areas of greater severe weather potential will depend on the timing and amplitude of embedded mid-level shortwave troughs. Therefore, no probabilities can be added at this time.
Read morehttps://www.spc.noaa.gov/products/exper/day4-8/
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