SPC - No MDs are in effect as of Sat Oct 31 01:40:03 UTC 2026
No Mesoscale Discussions are in effect as of Sat Oct 31 01:40:03 UTC 2026.
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SPC Oct 31, 2026 0100 UTC Day 1 Convective Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0733 PM CDT Fri Oct 30 2026 Valid 310100Z - 311200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN AND CENTRAL ARIZONA... ...SUMMARY... Thunderstorms with isolated severe wind gusts and h...
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Atlantic Tropical Weather Outlook
000 ABNT20 KNHC 302308 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 PM EDT Fri Oct 30 2026 For the North Atlantic...Caribbean Sea and the Gulf of America: Tropical cyclone formation is not expected during the next 7 days. $$ Forecaster Beven...
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Eastern North Pacific Tropical Weather Outlook
000 ABPZ20 KNHC 302303 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Fri Oct 30 2026 For the eastern and central North Pacific east of 180 longitude: Well Southeast of the Hawaiian Islands: A broad area of low pressure is forecast to develop wel...
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SPC MD 2421
Mesoscale Discussion 2421 NWS Storm Prediction Center Norman OK 0356 PM CDT Fri Oct 30 2026 Areas affected...portions of southern Nevada into western/central Arizona Concerning...Severe potential...Watch unlikely Valid 302056Z - 302300Z Probability of Watch Issuance...5 percent S...
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SPC Day 3-8 Fire Weather Outlook
Day 3-8 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0334 PM CDT Fri Oct 30 2026 Valid 011200Z - 071200Z ...Discussion... A high amplitude trough will slide eastward over the Great Basin on Day 3/Sunday, keeping the western half of the CONUS under increased cloud co...
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SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0236 PM CDT Fri Oct 30 2026 Valid 311200Z - 011200Z ...NO CRITICAL AREAS... Fire weather concerns will remain low across the CONUS on Day 2/Saturday. A low-amplitude shortwave trough will lift out of TX into the Mid...
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SPC MD 2420
Mesoscale Discussion 2420 NWS Storm Prediction Center Norman OK 0138 PM CDT Fri Oct 30 2026 Areas affected...parts of mid/upper Texas coastal areas Concerning...Severe potential...Watch unlikely Valid 301838Z - 302045Z Probability of Watch Issuance...5 percent SUMMARY...Shower an...
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SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook NWS Storm Prediction Center Norman OK 1136 AM CDT Fri Oct 30 2026 Valid 301700Z - 311200Z ...NO CRITICAL AREAS... The upper pattern is categorized by broad upper troughing over the western CONUS, prevailing northwest flow from the Upper Midwest into the...
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Ancient corals reveal that El Niño events have gotten more extreme
Researchers analyzed the chemical composition of coral skeletons to study how the Pacific Ocean has changed over thousands of years.
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Remnants of Vance Forecast Discussion Number 35
000 WTPZ42 KNHC 300232 TCDEP2 Remnants Of Vance Discussion Number 35 NWS National Hurricane Center Miami FL EP222026 800 PM MST Thu Oct 29 2026 Highly sheared convection associated with Vance has stretched its low-level circulation to the point where it no longer has a well-defin...
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Remnants of Vance Wind Speed Probabilities Number 35
807 FOPZ12 KNHC 300232 PWSEP2 REMNANTS OF VANCE WIND SPEED PROBABILITIES NUMBER 35 NWS NATIONAL HURRICANE CENTER MIAMI FL EP222026 0300 UTC FRI OCT 30 2026 AT 0300Z THE REMNANTS OF VANCE WERE LOCATED NEAR LATITUDE 20.7 NORTH ...LONGITUDE 107.7 WEST WITH MAXIMUM SUSTAINED WINDS NE...