Day: April 23, 2025
SPC Severe Thunderstorm Watch 165
WW 165 SEVERE TSTM OK TX 240420Z – 241000Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 165 NWS Storm Prediction Center Norman OK 1120 PM CDT Wed Apr 23 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwest Oklahoma Western North Texas * Effective this Wednesday night and Thursday morning from 1120 PM until 500 AM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...A cluster of storms should continue east-southeastward into southwest Oklahoma and western North Texas early in the overnight, with some continued potential for severe-caliber wind gusts and sporadic hail. The severe thunderstorm watch area is approximately along and 70 statute miles north and south of a line from 50 miles southwest of Altus OK to 45 miles south southeast of Altus OK. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU5). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 164... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 27025. ...Guyer
Mapped: What a barrage of 56 West Coast atmospheric river events looks like
The past six months have proven to be a tale of two Californias when it comes to atmospheric river events. While Northern California experienced a surge in precipitation and significant impacts, Southern California remained largely dry, raising concerns about the upcoming fire season. The strongest atmospheric river struck in November, bringing widespread flooding, record-breaking rainfall, and hurricane-force winds to the northern part of the Golden State.
Bright green Comet SWAN falls apart after once-in-a-lifetime appearance in our night sky
Another comet has fascinated skygazers but has already sung its swan song after approaching the Sun.
SPC Severe Thunderstorm Watch 164
WW 164 SEVERE TSTM OK TX 232230Z – 240500Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 164 NWS Storm Prediction Center Norman OK 530 PM CDT Wed Apr 23 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Far Western Oklahoma Texas Panhandle and South Plains * Effective this Wednesday afternoon from 530 PM until Midnight CDT. * Primary threats include... Scattered large hail and isolated very large hail events to 2 inches in diameter possible Isolated damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Relatively isolated severe storms should develop through early/mid-evening, particularly across the Texas and Oklahoma Panhandles, but potentially also across the Texas South Plains. These storms may reach other parts of western Oklahoma later this evening. The severe thunderstorm watch area is approximately along and 70 statute miles east and west of a line from 45 miles east northeast of Guymon OK to 55 miles south southeast of Lubbock TX. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU4). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 162...WW 163... AVIATION...A few severe thunderstorms with hail surface and aloft to 2 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 24020. ...Guyer
NOAA mission finds unexpected discovery at site of sunken USS Yorktown
During a 28-day deep-sea expedition of the PapahÄnaumokuÄkea region, a camera aboard a remotely operated vehicle spotted a vintage automobile resting inside the wreckage USS Yorktown. The wreckage of the Yorktown was first documented in 1998, but there were no indications of any automobiles being on board. According to the U.S. Navy the ship sank after being hit by Japanese torpedoes during the Battle of Midway on June 7, 1942.
SPC Severe Thunderstorm Watch 163
WW 163 SEVERE TSTM CO KS 232050Z – 240400Z 
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 163 NWS Storm Prediction Center Norman OK 350 PM CDT Wed Apr 23 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Colorado Western Kansas * Effective this Wednesday afternoon and evening from 350 PM until 1100 PM CDT. * Primary threats include... Scattered large hail likely with isolated very large hail events to 2.5 inches in diameter possible Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Thunderstorms will increase in coverage through the late afternoon and evening across the watch area, with a few supercells possible. Large hail is the primary concern, however a tornado or two could occur later this evening as well. The severe thunderstorm watch area is approximately along and 70 statute miles east and west of a line from 55 miles northeast of Goodland KS to 5 miles east of Elkhart KS. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 162... AVIATION...A few severe thunderstorms with hail surface and aloft to 2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 26030. ...Hart
