Issued at 800 PM CVT Sat Sep 26 2026
000 WTNT42 KNHC 262038 TCDAT2 Post-Tropical Cyclone Gonzalo Discussion Number 8 NWS National Hurricane Center Miami FL AL072026 800 PM CVT Sat Sep 26 2026 The bulk of the convective activity associated with Gonzalo has become even further separated from its center this afternoon. This increased separation is due to strong southwesterly vertical wind shear, diagnosed at nearly 50 kt this afternoon by UW-CIMSS. In addition, water vapor imagery shows very dry air infiltrating the low-level circulation, limiting convective redevelopment. Given that the nearest convection is now more than 100 n mi away from the center, lacks sufficient organization, and that these very unfavorable conditions are likely to persist, Gonzalo is being declared a post-tropical cyclone in this advisory. The maximum sustained winds remain 35 kt, assuming some higher winds exist in the convection displaced well northeast of the center. The post-tropical cyclone is still moving off to the north-northeast at 045 degrees at 6 kt. Downshear convection may still attempt to tug the center more northward over the next 12-24 h. However, as this activity diminishes, a shallow low-level ridge should steer the remnant low more west-northwest during the early portion of next week before dissipation. This is the final NHC advisory on Gonzalo. Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php FORECAST POSITIONS AND MAX WINDS INIT 26/2100Z 19.3N 23.3W 35 KT 40 MPH...POST-TROPICAL 12H 27/0600Z 20.1N 23.5W 30 KT 35 MPH...POST-TROP/REMNT LOW 24H 27/1800Z 20.8N 23.7W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 28/0600Z 21.3N 24.1W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 28/1800Z 21.5N 24.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 60H 29/0600Z 21.7N 25.1W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 29/1800Z...DISSIPATED $$ Forecaster Papin
