Edited to update: Tropical Storm Adrian is officially the earliest named storm in modern day records (satellite imagery)
In a nutshell, it’s a group of thunderstorms that have merged together in an orderly fashion with wind speeds from approx. 23-39mph and the air pressure is low-ish. We can get into air pressure another time.
So now I introduce you to our first depressed group of thunderstorms of the season which hasn’t “officially” begun … Tropical Depression One-E 1,546 miles AWAY from Cabo and NOT headed here. Max sustained winds 35mph with gusts up to 45mph … kinda like MY house the other day – kid. you. not.
I do believe this system just beat Alma’s record! Alma didn’t become a TD until May 12th, a TS on the 14th and wasn’t a hurricane until the 15th of 1990.
Okay so then what is a Tropical Storm? That is when the tropical depression gets some self esteem and it’s wind speeds have increased to 39-73mph. It becomes such a big deal, it even gets a name as those clouds start circling round and round … like a hurricane does but without the eye.
Anyhoo … this is from the NHC:
WTPZ31 KNHC 092034
Tropical Depression One-E Advisory Number 1
NWS National Hurricane Center Miami FL EP012017
400 PM CDT Tue May 09 2017
…FIRST TROPICAL DEPRESSION OF THE EASTERN NORTH PACIFIC SEASON
SUMMARY OF 400 PM CDT…2100 UTC…INFORMATION
ABOUT 335 MI…540 KM SSW OF SAN SALVADOR EL SALVADOR
ABOUT 545 MI…875 KM SSE OF SALINA CRUZ MEXICO
MAXIMUM SUSTAINED WINDS…35 MPH…55 KM/H
PRESENT MOVEMENT…WNW OR 300 DEGREES AT 6 MPH…9 KM/H
MINIMUM CENTRAL PRESSURE…1006 MB…29.71 INCHES
WATCHES AND WARNINGS
There are no coastal watches or warnings in effect.
DISCUSSION AND 48-HOUR OUTLOOK
At 400 PM CDT (2100 UTC), the center of newly formed Tropical
Depression One-E was located near latitude 9.3 North, longitude 91.3
West. The depression is moving toward the west-northwest near 6 mph
(9 km/h) and this general motion is expected to continue for the
next couple of days.
Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Gradual strengthening is forecast during the next 48 hours.
The estimated minimum central pressure is 1006 mb (29.71 inches).
HAZARDS AFFECTING LAND
Next complete advisory at 1000 PM CDT.
And I needs to be getting work done at the day job. Happy Taco Tuesday! ~Jenn
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