Storyline · concluded · Season thread
Atlantic Season 2021
Every dispatch on this road this season, in order: the thread a daily newsletter leaves behind when you read it end to end.
7Dispatches
86Days · JUN 2–AUG 26
I-26Tropics
FIGURE 1
JUN 2 · I-26 TROPICS Another extremely active season expected
FIGURE 1
JUN 3 · I-26 TROPICS Factors that inhibit storm development
FIGURE 1
JUN 9 · I-26 TROPICS Caribbean gyre could spin up into a tropical storm
FIGURE 1
JUN 24 · I-26 TROPICS Early season tropical wave shows potential for storm development
The route · every exit
- Exit 1 · JUN 2 Another extremely active season expected
- Exit 2 · JUN 3 Factors that inhibit storm development
- Exit 3 · JUN 9 Caribbean gyre could spin up into a tropical storm
- Exit 4 · JUN 24 Early season tropical wave shows potential for storm development
- Exit 5 · JUL 6 Another dangerous heat dome builds over the Southwest US
- Exit 6 · AUG 18 Henri safely off East Coast near Bermuda
- Exit 7 · AUG 26 NHC with high probability of Invest 99L becoming a storm
END
Why I-26?
Tropical stories ride Interstate 26, after the 26 °C sea-surface temperature often used as a rough threshold for tropical development.
26 °C
The sea-surface temperature often used as a rough threshold for tropical development; the shield number of this road.
Invest
An area the Hurricane Center is investigating, numbered 90–99 with a basin letter, before it has a name.
ACE
Accumulated Cyclone Energy: a season's wind, squared and summed every six hours. Climatology sets the scale.