佛得角西北90L - 24.4N 36.0W - 北大新风季首扰 - NHC:10%

红豆棒冰冰

90L INVEST 240424 1200 24.4N 36.0W ATL -30 999

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1. East-Central Subtropical Atlantic:

An area of low pressure located about 900 miles northwest of the

Cabo Verde Islands has been producing a small but persistent area

of showers and thunderstorms to the east of its center since this

morning.  However, the low is forecast to move southwestward at 10

to 15 mph into an area of stronger upper-level winds tonight and

tomorrow, and additional development is not expected.

No additional Special Tropical Weather Outlooks are scheduled for

this system unless conditions warrant.  Regularly scheduled

Tropical Weather Outlooks will resume on May 15, 2024, and Special

Tropical Weather Outlooks will be issued as necessary during the

remainder of the off-season.

* Formation chance through 48 hours...low...10 percent.

* Formation chance through 7 days...low...10 percent.

红豆棒冰冰

SSD 18Z分析T1.0，00Z分析TOO WEAK

TXNT26 KNES 241828
TCSNTL
A.  TROPICAL DISTURBANCE
B.  24/1800Z
C.  24.4N
D.  36.4W
E.  THREE/GOES-E
F.  T1.0/1.0
G.  IR/EIR/VIS
H.  REMARKS...GREATER THAN 2/10 BANDING RESULTS IN A DT OF 1.0. SYSTEM
HAS TRANSITIONED FM SUBTROP TO TROP. LLCC FAIRLY WELL-DEFINED. MDTLY-DEEP
CONVECTION HAS PERSISTED E OF CENTER SINCE ABOUT 07Z WITH CLOUD TOPS
CURRENTLY AS COLD AS -55 C. WRLY SHEAR IMPACTING SYSTEM. MET=1.0 AND
PT=1.5. FT BASED ON DT.
I.  ADDL POSITIONS
    NIL
...KONON

TXNT26 KNES 250025
TCSNTL
A.  TROPICAL DISTURBANCE
B.  25/0000Z
C.  23.1N
D.  36.8W
E.  THREE/GOES-E
F.  TOO WEAK
G.  IR/EIR/SWIR
H.  REMARKS...THIS SYSTEM IS TOO WEAK TO CLASSIFY DUE TO LACK OF
PERSISTENT CONVECTION. THIS WILL BE THE FINAL BULLETIN.
I.  ADDL POSITIONS
    NIL
...GATLING

红豆棒冰冰

今天早晨ASCAT风场扫描（上图为B星，下图为C星）

karding

East Atlantic Gale Warning: Low pressure of 1008 mb is centered
near 22N37W moving south-southwest. A tight pressure gradient
between the low and strong high pressure to the north has induced
near gale to gale-force winds of 30-35 kt within about 90 nm of
the low in the NW and N quadrants. An ASCAT pass from Wed evening
revealed these winds. Seas with these winds are 10 to 13 ft. As
the low pressure continues to move south-southwestward early this
morning, it will undergo weakening and the culprit tight pressure
gradient will relax enough to allow for the gale-force winds to
diminish to just below gale force. Seas will remain at 10-13 ft in
the NW and N quadrants of the low. The seas will begin to slowly
subside later in the morning and into the afternoon. Please read
the latest High Seas Forecast issued by the National Hurricane
Center at https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more
details.

NaTyphoon

这个应该是非官方机构“CIMSS”擅自编号，如此的话下一个扰动编号仍将是90L。

• 这里的官方是指NHC（CPHC、JTWC）这些机构