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.
ALPHA Current Status
...SHORT-LIVED ALPHA BECOMES A REMNANT LOW OVER THE DISTRICT OF VISEU PORTUGAL.. ...THIS IS THE LAST ADVISORY...
Current Wind Speed 25 knots / 30 MPH
Max Predicted Wind Speed 25 knots / 30 MPH at
Current Watches/Warnings / Radar / Satellite
current US watches/warnings
live tornado/thunderstorm tracker - tornadohq
future radar imagery - my future radar
current radar loop
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.
ALPHA Land Hazards
NWS Local Hurricane Statements
Corpus Christi TX AL222020 **TROPICAL STORM BETA CONTINUES TO BUILD STRENGTH**Brownsville TX AL222020 **BETA FORECAST TO STRENGTHEN AS IT SLOWLY APPROACHES THE TEXAS COAST**
Houston/Galveston TX AL222020 **BETA FORECAST TO STRENGTHEN AS IT SLOWLY APPROACHES THE TEXAS COAST**
Lake Charles LA AL222020 ...BETA FORECAST TO STRENGTHEN AS IT SLOWLY APPROACHES THE TEXAS COAST...
- WIND - Information on wind hazards from Alpha can be found in products from the Portuguese Institute for Sea and Atmosphere at www.ipma.pt.
- RAINFALL - Alpha is expected to produce storm totals of 1 to 2 inches of rainfall, with isolated amounts of 3 inches over the northern portion of Portugal and into west-central Spain before rain tapers off later today.
ALPHA Tracker
ALPHA Satellite Loop
ALPHA Alternate Tracking Map
ALPHA Spaghetti Models
Spaghetti models for ALPHA can be found here:
ALPHA Watches and Warnings
Post-Tropical Cyclone ALPHA Tropical Cyclone Update
Post-Tropical Cyclone ALPHA Public Advisory
000 WTNT34 KNHC 190235 TCPAT4 BULLETIN Post-Tropical Cyclone Alpha Advisory Number 3 NWS National Hurricane Center Miami FL AL242020 300 AM GMT Sat Sep 19 2020 ...SHORT-LIVED ALPHA BECOMES A REMNANT LOW OVER THE DISTRICT OF VISEU PORTUGAL.. ...THIS IS THE LAST ADVISORY... SUMMARY OF 300 AM GMT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...40.9N 6.9W ABOUT 1090 MI...1750 KM ENE OF THE AZORES MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...NE OR 50 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- There are no coastal tropical cyclone watches or warnings in effect. Interests in Portugal should monitor the progress of Alpha. Additional information on this system can be found in products from the Portuguese Institute for Sea and Atmosphere at www.ipma.pt. DISCUSSION AND OUTLOOK ---------------------- At 300 AM GMT (0300 UTC), the center of Post-Tropical Cyclone Alpha was located near latitude 40.9 North, longitude 6.9 West. The post-tropical cyclone is moving toward the northeast near 16 mph (26 km/h), and this general motion is expected to continue during the next 12 hours or so. Alpha should move across northern Portugal and Spain before dissipating later today. Maximum sustained winds have decreased to near 30 mph (45 km/h) with higher gusts. The remnant low is expected to dissipate by Saturday night. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- WIND...Information on wind hazards from Alpha can be found in products from the Portuguese Institute for Sea and Atmosphere at www.ipma.pt. RAINFALL...Alpha is expected to produce storm totals of 1 to 2 inches of rainfall, with isolated amounts of 3 inches over the northern portion of Portugal and into west-central Spain before rain tapers off later today. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on this system. $$ Forecaster Roberts
Public Advisory not available for this storm.
Post-Tropical Cyclone ALPHA Forecast Discussion
000 WTNT44 KNHC 190236 TCDAT4 Post-Tropical Cyclone Alpha Discussion Number 3 NWS National Hurricane Center Miami FL AL242020 300 AM GMT Sat Sep 19 2020 METEOSAT imagery, IPMA radar data, and surface observations indicate that Alpha has degenerated to a post-tropical remnant low just a few miles to the southeast of Viseu, Portugal. Therefore, this the last NHC advisory. Surface wind data support an initial intensity of 25 kt. The rapidly deteriorating small remnant low is expected to move generally toward the northeast at about 14 kt for the next 6 to 12 hours before dissipating over northern Spain by Saturday night. The NHC forecast track is basically an update of the previous advisory and lies between the tightly clustered deterministic guidance. Additional information on the hazards from this system can be found in products from the Portuguese Institute for Sea and Atmosphere at www.ipma.pt. FORECAST POSITIONS AND MAX WINDS INIT 19/0300Z 40.9N 6.9W 25 KT 30 MPH...POST-TROPICAL 12H 19/1200Z 42.6N 4.4W 20 KT 25 MPH...POST-TROP/INLAND 24H 20/0000Z...DISSIPATED $$ Forecaster Roberts
ALPHA storm path from NHC
| Time | Speed | Location | Status |
|---|---|---|---|
| 25 knots | 40.9, -6.9 | translation missing: en.POST-TROPICAL | |
| 20 knots | 42.6, -4.4 | translation missing: en.POST-TROP/INLAND | |
| 0 knots | translation missing: en.DISSIPATED |
site by Hayley Croft
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