Storyline · concluded · The storm ledger
Humberto
Every dispatch filed on Humberto, in order, so you can watch the call sharpen from first mention to the last word.
2Dispatches
2Days · SEP 24–SEP 25
I-26Tropics
Where the dispatches were filed
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.