NASA JPL

🚨 BREAKING | TWO OCEANS, TWO VERY DIFFERENT STORMS: SUPER TYPHOON CHAMPI’S GIANT EYE VS. NEW SUBTROPICAL STORM JOSEPHINE 🌎🌀🛰️ 📡 Live Earth monitoring: live.spacetracker.org October 21, 2026 | SpaceTracker Global Earth + Space Journal CHAMPI | SUPER TYPHOON | ~278–296 KM/H BY 1-MIN ANALYSES JOSEPHINE | SUBTROPICAL STORM | 100 KM/H VANUATU | M6.3 SOLAR ACTIVITY | NEW CME OBSERVED OCT 21 ━━━━━━━━━━━━━━━━━━━━ 🌀 I ANALYZED THE FULL 48-SECOND SPACETRACKER VIDEO This side-by-side comparison captures two almost opposite cyclone structures at exactly the right moment. On the left: SUPER TYPHOON CHAMPI A highly symmetric western Pacific cyclone with an enormous, sharply defined eye. On the right: SUBTROPICAL STORM JOSEPHINE A newly classified western Atlantic system with a broad circulation and convection distributed much farther from its center. The first half of the video compares their satellite structures. The second half switches to animated wind models and shows just how differently these two atmospheric systems are organized. ━━━━━━━━━━━━━━━━━━━━ 👁️ CHAMPI | THE EYE IS THE STAR OF THE VIDEO The opening satellite imagery is remarkable. Champi displays: a nearly circular central eye, a thick ring of bright eyewall cloud, strong radial outflow, and a highly symmetric central dense overcast. Your SpaceTracker graphic reports an eye approximately: ~80 KM WIDE with the important note that this is a media estimate rather than an independently verified official measurement. Current reporting also places the eye in roughly the 70 to 80 km range, so the scale shown in the video is reasonable as an approximate value. ━━━━━━━━━━━━━━━━━━━━ 🔬 THE EYE HAS CHANGED DRAMATICALLY IN ONLY A FEW DAYS This is one of the most interesting scientific details. When Champi passed very close to Guam on October 18, the National Weather Service measured its eye at only about: 5 to 6 miles wide, roughly 8 to 10 km NWS also observed signs of an eyewall replacement cycle beginning around that time. Today the apparent eye is many times larger. That evolution is consistent with major inner-core restructuring. During an eyewall replacement cycle, an outer ring of convection can gradually replace the original compact eyewall. The new eye can become considerably larger even while the tropical cyclone remains exceptionally organized. So what your video may be capturing is not simply a big eye. It may be the mature result of Champi’s recent eyewall reorganization. ━━━━━━━━━━━━━━━━━━━━ 🛰️ CHAMPI IS ONE OF THE STRONGEST CYCLONES OF 2026 The wind value displayed in your video is: 290 KM/H | 180 MPH using a one-minute sustained-wind analysis. Other agencies report lower numerical values because different meteorological centers use different wind-averaging periods. For example, JMA analysis on October 21 placed Champi near 900 hPa with maximum sustained winds around 115 knots using its averaging standard, while JTWC-style one-minute estimates have been around 278 to 296 km/h today. That difference does not mean one observation is necessarily incorrect. The agencies are measuring maximum winds using different standards. ━━━━━━━━━━━━━━━━━━━━ 🌊 LOOK AT THE SCALE AROUND THE EYE Champi is not only intense at the center. Its broader circulation is enormous. GDACS lists maximum winds near 296 km/h, while current western Pacific reporting shows a very large surrounding circulation affecting areas far from the actual eyewall. The eye therefore represents only a small portion of the complete system. Your satellite frames show this clearly. A dark circular eye occupies the center. A thick white eyewall surrounds it. Then hundreds of kilometres of curved cloud bands spiral outward into the Philippine Sea. ━━━━━━━━━━━━━━━━━━━━ 🇵🇭 🇹🇼 🇯🇵 WHERE CHAMPI GOES NEXT Champi is moving generally west-northwest across the Philippine Sea. The Philippines is not currently forecast to receive a direct center crossing, but Batanes and Extreme Northern Luzon can receive stronger winds, high seas and heavy rainfall as the large circulation passes nearby. Taiwan is becoming a particularly important monitoring area. Taiwan’s Central Weather Administration said Champi was about 910 km east-southeast of Eluanbi Wednesday afternoon and could bring its strongest influence to Taiwan on Friday and Saturday before moving toward the vicinity of Japan’s Kyushu region. Japan’s Sakishima Islands, including areas around Ishigaki and Taketomi, are also positioned near the forecast corridor. Weathernews notes that the exact Taiwan and Japan impacts remain highly track-dependent. ━━━━━━━━━━━━━━━━━━━━ 🌪️ THEN LOOK AT JOSEPHINE The right side of the SpaceTracker video looks completely different. There is rotation. There is deep cloud. There is a clearly identifiable circulation. But there is no compact tropical eye like Champi. That is because Josephine is currently classified as a: SUBTROPICAL STORM The National Hurricane Center officially initiated advisories at 5 PM AST on October 21. ━━━━━━━━━━━━━━━━━━━━ 🌊 JOSEPHINE | 65 MPH AND A HUGE WIND FIELD At the first NHC advisory: LOCATION | 37.4°N 69.5°W WINDS | 65 MPH / 100 KM/H PRESSURE | 990 MB MOVEMENT | NORTH AT 6 MPH / 9 KM/H The center was approximately 425 km south of Nantucket, Massachusetts, and about 940 km southwest of Halifax, Nova Scotia. But Josephine’s most interesting number may not be the maximum wind. Winds of at least 40 mph extend outward as far as 415 miles, about 665 km. That is a very broad circulation. ━━━━━━━━━━━━━━━━━━━━ 🔬 WHY CHAMPI AND JOSEPHINE LOOK SO DIFFERENT This is the scientific heart of your video. CHAMPI A warm-core tropical cyclone with energy concentrated tightly around an organized eyewall. JOSEPHINE A subtropical cyclone with energy distributed across a much broader atmospheric circulation. That is why Champi gives us: SMALLER CORE STRONG EYEWALL CLEAR EYE HIGH SYMMETRY while Josephine gives us: LARGE WIND FIELD BROADER CENTER LESS SYMMETRY CONVECTION DISPLACED AROUND THE CIRCULATION Two rotating storms. Two very different atmospheric architectures. ━━━━━━━━━━━━━━━━━━━━ 🌬️ THE SECOND HALF OF THE VIDEO MAKES THIS EVEN CLEARER When SpaceTracker switches from satellite imagery to the animated wind models, Champi appears as an extremely tight vortex. Streamlines bend sharply around a small central region. Josephine looks broader. Its wind circulation spreads across a much larger portion of the western Atlantic. This is also why the model cursor values should not be compared directly with advisory maximum winds. Your video correctly states: “Model cursor values are not advisory winds.” A global model grid smooths the atmosphere over relatively large cells. An official tropical-cyclone estimate incorporates satellite analysis, scatterometer data, aircraft data when available and specialized intensity techniques. ━━━━━━━━━━━━━━━━━━━━ 🌊 JOSEPHINE IS FORECAST TO MOVE AWAY FROM THE U.S. NHC expects Josephine to turn northeast and accelerate. The system should remain south of Nova Scotia and Newfoundland rather than moving directly onto the U.S. coastline. Some strengthening is forecast. NHC expects Josephine to remain subtropical through early Thursday, then potentially become a stronger post-tropical cyclone with hurricane-force winds later Thursday. So Josephine may become meteorologically stronger even while becoming less tropical. That is a fascinating transition. ━━━━━━━━━━━━━━━━━━━━ 🌊 EAST COAST WATER CONDITIONS ARE ALREADY RESPONDING Josephine is generating large Atlantic swells. NHC reports that these swells are reaching much of the eastern U.S. coastline and portions of Atlantic Canada. Minor to locally moderate coastal flooding is also occurring along sections of the U.S. Mid-Atlantic coast around high tide. Again, the center does not need to cross the coast for the ocean response to be visible hundreds of kilometres away. ━━━━━━━━━━━━━━━━━━━━ ☀️ SPACE WEATHER UPDATE | A NEW CME WAS OBSERVED TODAY The Earth story does not stop at the atmosphere. NASA’s Community Coordinated Modeling Center logged a new CME beginning at approximately: 08:53 UTC OCTOBER 21 The eruption originated near approximately N40E05 on the solar disk. Research modeling currently gives a possible arrival around October 25 at 06:00 UTC, with modest projected geomagnetic activity around Kp 3 to 4. There is an important qualification. The Met Office space-weather forecast said that as of Wednesday afternoon it had not identified a clearly Earth-directed CME in available imagery. So the scientifically careful interpretation is: A CME was observed today, and research models are evaluating a possible Earth interaction, but a significant direct impact is not currently established. ━━━━━━━━━━━━━━━━━━━━ 🌌 CURRENT GEOMAGNETIC CONDITIONS Today’s primary space-weather influence is associated more with coronal-hole solar wind than with a confirmed major CME arrival. The Met Office gives a slight chance of G1 geomagnetic activity on October 21, while solar activity has otherwise remained relatively low with occasional C-class flares and a chance of isolated M-class activity. So today’s space-weather picture is active enough to monitor, but currently much calmer than the stronger CME period we followed earlier this month. ━━━━━━━━━━━━━━━━━━━━ 🌎 EARTHQUAKE WATCH | M6.3 VANUATU The latest magnitude 6+ earthquake I could verify occurred near Vanuatu on October 20. M6.3 197 KM NW OF PORT-OLRY, VANUATU DEPTH | 16 KM TIME | 04:20 UTC The event received a low-impact Green assessment in current monitoring. Vanuatu lies along one of the world’s most active plate-boundary regions, so strong earthquakes are not unusual there. ━━━━━━━━━━━━━━━━━━━━ 🌎 ANOTHER RECENT STRONG EVENT | M6.9 KAMCHATKA On October 16, USGS recorded a larger: M6.9 approximately 76 km northeast of Ozernovskiy, Russia, on the Kamchatka Peninsula. The earthquake occurred at a depth of approximately: 135 KM USGS issued a Green PAGER assessment. Its greater depth helped distribute the shaking differently than a comparable shallow event would. ━━━━━━━━━━━━━━━━━━━━ 🌧️ FLOOD WATCH | EASTERN SPAIN Heavy rainfall has also been affecting eastern Spain. Reuters reported helicopter rescues from rooftops as intense rainfall produced flooding across towns in the region on October 19. This event is unrelated to Champi, Josephine or the recent earthquakes. It is another independent atmospheric event occurring during the same global monitoring period. ━━━━━━━━━━━━━━━━━━━━ 🌊 THE LARGER CLIMATE SIGNAL | EL NIÑO And behind many current weather patterns sits a much larger Pacific story. The World Meteorological Organization said today that the developing El Niño could become one of the strongest observed in decades, with central Pacific ocean temperatures potentially reaching around 3.8°C above normal during the coming peak period. El Niño does not create individual storms by itself. But it changes global atmospheric circulation, ocean temperatures and rainfall patterns. That means it can influence where heavy rain, dry periods, tropical cyclone activity and unusual temperature patterns become more likely. ━━━━━━━━━━━━━━━━━━━━ 📊 SPACETRACKER OCTOBER 21 GLOBAL SCAN 🌀 CHAMPI SUPER TYPHOON | GIANT EYE | W PACIFIC 🌪️ JOSEPHINE 65 MPH | SUBTROPICAL | W ATLANTIC ☀️ NEW CME OBSERVED 08:53 UTC | MONITORING 🌌 GEOMAGNETIC G1 POSSIBILITY | CH HSS INFLUENCE 🌎 VANUATU M6.3 | OCT 20 🌎 KAMCHATKA M6.9 | OCT 16 🌧️ SPAIN RECENT MAJOR RAIN / FLOOD EVENT 🌊 EL NIÑO VERY STRONG PACIFIC SIGNAL DEVELOPING ━━━━━━━━━━━━━━━━━━━━ 🔬 ARE THESE EVENTS CONNECTED? Not directly. Champi and Josephine are atmospheric systems. The Vanuatu and Kamchatka earthquakes are tectonic events. CMEs originate from magnetic activity on the Sun. Flooding develops from regional weather, terrain and hydrology. El Niño is a large-scale ocean-atmosphere cycle. SpaceTracker can show all of them together without implying that one causes another. That distinction is essential. The real connection is observation. Different parts of the Earth and near-space environment are changing simultaneously, and modern satellites, seismic networks, weather models and solar observatories allow us to follow them almost continuously. ━━━━━━━━━━━━━━━━━━━━ 🌎 THIS VIDEO SHOWS WHY SPACETRACKER EXISTS In only 48 seconds we can compare: a Category 5-equivalent super typhoon in the western Pacific, a newly named subtropical storm in the Atlantic, two completely different wind structures, and two fundamentally different stages of cyclone organization. Then we can widen the same monitoring picture to include: solar activity, CMEs, earthquakes, floods, and the evolving El Niño pattern. One planet. Multiple systems. 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