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| 2001 |
3-10 March |
Subtropical(?) Cyclone |
South Pacific |
Unnamed subtropical cyclone of cold-core origins that made landfall in eastern Australia. |
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NOGAPS:
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2001 |
5-19 June |
Tropical Storm Allison |
North Atlantic |
Damaging yet weak tropical storm that was poorly analyzed until landfall. |
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
2-7 August |
Tropical Storm Barry |
North Atlantic |
Weak tropical storm that moves inland and dissipates rapidly. |
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
15-22 August |
Tropical Storm Chantal |
North Atlantic |
Tropical storm that moves inland and dissipates rapidly. |
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
22-29 August |
Tropical Storm Dean |
North Atlantic |
Weak tropical storm that moves into the north Atlantic. |
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
7-17 September |
Hurricane Erin |
North Atlantic |
Case of extratropical transition of a strong tropical cyclone. |
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
9-21 September |
Hurricane Felix |
North Atlantic |
Cyclone that illustrates warm-core development into a hurricane and then decay back
into a weak remnant cyclone over cool water without
trough interaction or extratropical transition. |
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
10-24 September |
Hurricane Gabrielle |
North Atlantic |
Conversion of a hurricane into a hybrid cyclone for an extended duration, before extratropical transition over the far northeast Atlantic. |
AVN:
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
21-28 September |
Hurricane Humberto |
North Atlantic |
Extratropical transition of a poorly resolved hurricane. |
AVN:
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
4-10 October |
Hurricane Iris |
North Atlantic |
Classic conventional tropical cyclone lifecycle. [AVN analysis only occasionally had a closed circulation and so its unrealistic portrayal is not shown here.] |
NOGAPS:
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UKMET: Image Anim
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UKMET: Image Anim 2001 |
3-9 October |
Tropical Storm Jerry |
North Atlantic |
Very weak tropical storm that is sheared apart in the western Caribbean.
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
10-15 October |
Hurricane Karen |
North Atlantic |
Classic case of the conversion of a subtropical cyclone into a tropical cyclone as illustrated by
the "upward" growth of the warm-core thermal wind signal (-VTL and -VTU) to the tropopause
while the thermal asymmetry (B) of the cyclone decreases simultaneously. An enhanced version of this evolution is given by Olga later the same year. |
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
25-31 October |
Tropical Storm Lorenzo |
North Atlantic |
Very weak tropical storm that was poorly analyzed.
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
31 October- |
7 November Hurricane Michelle |
North Atlantic |
Intense hurricane that undergoes extratropical transition at 30oN. Substantial period as a hybrid
warm-secluded extratropical cyclone is well-analyzed by the phase diagrams. |
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
2-7 November |
Hurricane Noel |
North Atlantic |
Brief conversion of a subtropical cyclone into a hurricane, before being rapidly sheared apart.
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NOGAPS: Image Anim UKMET: Image Anim
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NOGAPS: Image Anim UKMET: Image Anim 2001 |
22 November- |
5 December Hurricane Olga |
North Atlantic |
Classic case of the conversion of a weak extratropical cyclone (-VT negative on 22ND and 23RD)...into a subtropical cyclone as the warm core develops and builds upward (-VTL becomes positive on 24TH). The subtropical cyclone then converts to a
tropical cyclone (-VTU becomes positive on 25TH), before dissipation as a weak shallow warm-core low in early December.
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NOGAPS: Image Anim UKMET: Image Anim
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