Cyclocane
( cyclocane is a CYCLOne and hurriCANE tracker by hayley )
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This is the final warning / advisory for this storm as it has weakened below warning levels and/or the storm system is no longer a tropical cyclone.
DEXTER Current Status
...DEXTER BECOMES A STORM-FORCE EXTRATROPICAL LOW OVER THE NORTH ATLANTIC... ...THIS IS THE FINAL NHC ADVISORY...
Current Wind Speed 50 knots / 60 MPH
Max Predicted Wind Speed 60 knots / 70 MPH at
Current Watches/Warnings / Radar / Satellite
current US watches/warnings
live tornado/thunderstorm tracker - tornadohq
future radar imagery - my future radar
future radar imagery
(above image is an example of the Western North Atlantic page - see Atlantic future radar page for a full set of images)
If a tropical storm or hurricane is threatening land, you can check my future radar for an idea of what radar might look like as the storm approaches.
DEXTER Land Hazards
NWS Local Hurricane Statements
- No warnings
DEXTER Tracker
DEXTER Satellite Loop
DEXTER Alternate Tracking Map
DEXTER Spaghetti Models
Spaghetti models for DEXTER can be found here:
DEXTER spaghetti models page »
DEXTER Watches and Warnings
Post-Tropical Cyclone DEXTER Tropical Cyclone Update
Post-Tropical Cyclone DEXTER Public Advisory
530 WTNT34 KNHC 071448 TCPAT4 BULLETIN Post-Tropical Cyclone Dexter Advisory Number 15 NWS National Hurricane Center Miami FL AL042025 1100 AM AST Thu Aug 07 2025 ...DEXTER BECOMES A STORM-FORCE EXTRATROPICAL LOW OVER THE NORTH ATLANTIC... ...THIS IS THE FINAL NHC ADVISORY... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...41.4N 50.4W ABOUT 390 MI...625 KM SSE OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...ENE OR 70 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Post-Tropical Cyclone Dexter was located near latitude 41.4 North, longitude 50.4 West. The post-tropical cyclone is moving toward the east-northeast near 17 mph (28 km/h) and this general motion is expected to continue during the next few days. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Dexter is expected to continue strengthening as an extratropical low through early Friday. The cyclone is forecast to weaken beginning late Friday and Saturday. Tropical-storm-force winds extend outward up to 185 miles (280 km) from the center. The estimated minimum central pressure is 998 mb (29.47 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on this system. 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 $$ Forecaster Hagen
Public Advisory not available for this storm.
Post-Tropical Cyclone DEXTER Forecast Discussion
531 WTNT44 KNHC 071448 TCDAT4 Post-Tropical Cyclone Dexter Discussion Number 15 NWS National Hurricane Center Miami FL AL042025 1100 AM AST Thu Aug 07 2025 Satellite imagery and surface observations indicate that Dexter has completed its transition to an extratropical cyclone. Strong westerly wind shear is leaving an exposed, elongated center with all convection in the eastern semicircle. The convection is decreasing in strength and areal coverage, and it is also becoming more asymmetric. A warm front clearly extends east-northeastward from Dexter, and there also appears to be a developing cold front extending towards the southwest, as noted in an earlier AMSR2 microwave pass. Surface marine observations show temperatures in the upper 50s and lower 60s just a couple hundred n mi northwest of Dexter's center. A recent partial ASCAT pass showed winds up to 45 kt, but this pass did not sample the entire circulation. The initial intensity of the extratropical cyclone is increased to 50 kt based on the ASCAT data as well as global model analyses, which suggest the winds have likely reached 50 kt. Dexter is merging with an approaching mid- to upper-level trough. Global models show strengthening over the next 12-24 h due to baroclinic forcing due to the trough interaction. Thereafter, the cyclone will begin to steadily weaken late Friday into the weekend as the upper-level trough dampens out. The NHC intensity forecast is near the high end of the guidance during the first 24 hours of the forecast, and near the middle of the guidance envelope thereafter. The cyclone is forecast to weaken to a trough in 4 to 5 days. The initial motion is 070/15. A motion between northeast and east-northeast is expected during the next 24-36 hours as Dexter interacts with the aforementioned trough. After that time, a slight bend more toward the east is expected as the cyclone is steered by the mid-latitude flow. The new NHC forecast is a bit slower than the previous one, and lies in between the simple and corrected consensus aids. This is the final NHC advisory on Dexter. 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 07/1500Z 41.4N 50.4W 50 KT 60 MPH...POST-TROP/EXTRATROP 12H 08/0000Z 42.6N 47.3W 60 KT 70 MPH...POST-TROP/EXTRATROP 24H 08/1200Z 44.2N 43.8W 60 KT 70 MPH...POST-TROP/EXTRATROP 36H 09/0000Z 45.2N 39.9W 50 KT 60 MPH...POST-TROP/EXTRATROP 48H 09/1200Z 45.9N 35.4W 45 KT 50 MPH...POST-TROP/EXTRATROP 60H 10/0000Z 46.5N 30.9W 35 KT 40 MPH...POST-TROP/EXTRATROP 72H 10/1200Z 47.1N 26.8W 30 KT 35 MPH...POST-TROP/EXTRATROP 96H 11/1200Z 48.0N 20.0W 30 KT 35 MPH...POST-TROP/EXTRATROP 120H 12/1200Z...DISSIPATED $$ Forecaster Hagen
DEXTER storm path from NHC
| Time | Speed | Location | Status |
|---|---|---|---|
| 50 knots | 41.4, -50.4 | POST-TROPICAL CYCLONE | |
| 60 knots | 42.6, -47.3 | POST-TROPICAL CYCLONE | |
| 60 knots | 44.2, -43.8 | POST-TROPICAL CYCLONE | |
| 50 knots | 45.2, -39.9 | POST-TROPICAL CYCLONE | |
| 45 knots | 45.9, -35.4 | POST-TROPICAL CYCLONE | |
| 35 knots | 46.5, -30.9 | POST-TROPICAL CYCLONE | |
| 30 knots | 47.1, -26.8 | POST-TROPICAL CYCLONE | |
| 30 knots | 48.0, -20.0 | POST-TROPICAL CYCLONE | |
| 0 knots | DISSIPATED |
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