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News Article
October 28, 2023
Post-Tropical Cyclone Tammy Forecast Discussion Number 39

Issued at 1100 PM AST Sat Oct 28 2023

000
WTNT45 KNHC 290243
TCDAT5

Tropical Storm Tammy Discussion Number 39
NWS National Hurricane Center Miami FL

AL202023
1100 PM AST Sat Oct 28 2023

Tammy's second time as a tropical cyclone appears near its end.
While some sheared puffs of moderate convection have attempted to
re-form off to the northeast of an increasingly elongated
circulation center...

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News Article
October 28, 2023
Tropical Storm Tammy Forecast Discussion Number 37

Issued at 1100 AM AST Sat Oct 28 2023

213
WTNT45 KNHC 281449
TCDAT5

Tropical Storm Tammy Discussion Number 37
NWS National Hurricane Center Miami FL

AL202023
1100 AM AST Sat Oct 28 2023

Tammy has not changed much this morning. The impact of strong
westerly wind shear is evident, with an exposed low-level center
apparent in visible satellite imagery. Modest deep convection
remains confined to...

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News Article
October 27, 2023
Tropical Storm Tammy Forecast Discussion Number 34

Issued at 500 PM AST Fri Oct 27 2023

000
WTNT45 KNHC 272034
TCDAT5

Tropical Storm Tammy Discussion Number 34
NWS National Hurricane Center Miami FL

AL202023
500 PM AST Fri Oct 27 2023

Tammy's cloud pattern hasn't changed much on satellite images since
earlier today. There has been some cooling of the convective cloud
tops to about -60 deg C near the center of circulation along with a
few ...

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News Article
October 27, 2023
Tropical Storm Tammy Forecast Discussion Number 35

Issued at 1100 PM AST Fri Oct 27 2023

000
WTNT45 KNHC 280236
TCDAT5

Tropical Storm Tammy Discussion Number 35
NWS National Hurricane Center Miami FL

AL202023
1100 PM AST Fri Oct 27 2023

Strong southwesterly shear is taking a toll on Tammy tonight. Its
limited convection is confined to the northeastern portion of its
circulation, which is partially exposed in proxy-visible satellite
images....

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News Article
October 28, 2023
Tropical Storm Tammy Forecast Discussion Number 36

Issued at 500 AM AST Sat Oct 28 2023

000
WTNT45 KNHC 280845
TCDAT5

Tropical Storm Tammy Discussion Number 36
NWS National Hurricane Center Miami FL

AL202023
500 AM AST Sat Oct 28 2023

Tammy continues to be a sheared system with limited convection this
morning. Cloud tops have been warming since last evening, with only
occasional burst near the center. A partial scatterometer pass that
arrived...

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News Article
October 27, 2023
Tropical Storm Tammy Forecast Discussion Number 33

Issued at 1100 AM AST Fri Oct 27 2023

000
WTNT45 KNHC 271443
TCDAT5

Tropical Storm Tammy Discussion Number 33
NWS National Hurricane Center Miami FL

AL202023
1100 AM AST Fri Oct 27 2023

Tammy appears to have become separate from the frontal zone in
which it was formerly embedded. Satellite imagery shows that
moderately deep convection has developed in a fairly symmetrical
pattern near the...

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News Article
October 26, 2023
Post-Tropical Cyclone Tammy Forecast Discussion Number 32

Issued at 500 AM AST Thu Oct 26 2023

000
WTNT45 KNHC 260843
TCDAT5

Post-Tropical Cyclone Tammy Discussion Number 32
NWS National Hurricane Center Miami FL

AL202023
500 AM AST Thu Oct 26 2023

Tammy appears to have completed its transition to a post-tropical
cyclone, merging with the nearby front. The cloud pattern has become
more comma shaped, with a long linear convective band, and is no
...

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News Article
October 25, 2023
Hurricane Tammy Forecast Discussion Number 31

Issued at 1100 PM AST Wed Oct 25 2023

119
WTNT45 KNHC 260241
TCDAT5

Hurricane Tammy Discussion Number 31
NWS National Hurricane Center Miami FL

AL202023
1100 PM AST Wed Oct 25 2023

The extratropical transition of Tammy appears to be well underway.
The eye is no longer apparent in satellite images, and deep
convection has eroded over the western portion of the circulation. A
dry slot has b...

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News Article
October 25, 2023
Hurricane Tammy Forecast Discussion Number 30

Issued at 500 PM AST Wed Oct 25 2023

000
WTNT45 KNHC 252051
TCDAT5

Hurricane Tammy Discussion Number 30
NWS National Hurricane Center Miami FL

AL202023
500 PM AST Wed Oct 25 2023

Tammy is beginning to interact with a front to its north. The eye
has lost some of its definition as the northern eyewall slowly
erodes. Outflow is now limited to the southern and eastern portions
of the circulati...

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News Article
October 25, 2023
Hurricane Tammy Forecast Discussion Number 29

Issued at 1100 AM AST Wed Oct 25 2023

ZCZC MIATCDAT5 ALL
TTAA00 KNHC DDHHMM

Hurricane Tammy Discussion Number 29
NWS National Hurricane Center Miami FL

AL202023
1100 AM AST Wed Oct 25 2023

Tammy has improved its satellite presentation this morning. Since
the previous advisory, the hurricane briefly had a symmetric eye in
the satellite infrared and microwave imagery. A nearby deep-layer
tro...

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