WPAC: Invest 93W

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1900hurricane
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WPAC: Invest 93W

#1 Postby 1900hurricane » Wed Apr 25, 2018 12:55 pm

I new invest has been declared near the equator south of Guam.

93W INVEST 180425 1200 3.7N 146.4E WPAC 15 1010


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Re: WPAC: Invest 93W

#2 Postby euro6208 » Wed Apr 25, 2018 6:40 pm

Image

93W INVEST
As of 18:00 UTC Apr 25, 2018:

Location: 3.7°N 146.0°E
Maximum Winds: 15 kt
Minimum Central Pressure: 1010 mb
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Re: WPAC: Invest 93W

#3 Postby euro6208 » Thu Apr 26, 2018 7:37 am

AN AREA OF CONVECTION (INVEST 93W) HAS PERSISTED NEAR 3.3N
144.6E, APPROXIMATELY 534 NM SOUTHEAST OF YAP. ANIMATED
MULTISPECTRAL SATELLITE IMAGERY SHOWS A BROAD LOW-LEVEL CIRCULATION
COVERED BY FLARING CONVECTION. A 252326Z METOP-B 89GHZ MICROWAVE
IMAGE SHOWS FORMATIVE BANDING WRAPPING INTO AN AREA OF DEEP
CONVECTION. A 260026Z ASCAT PASS REVEALS CYCLONIC TURNING AND
TROUGHING, A LINE OF CONVERGENCE, AND AN AREA OF 20 KNOT WIND BARBS
TO THE WEST OF THE CENTER, BUT NOT A CLOSED LOW LEVEL CIRCULATION.
ENVIRONMENTAL ANALYSIS INDICATES THAT 93W IS LOCATED IN AN AREA OF
LOW (5-10 KT) VERTICAL WIND SHEAR, AND STRONG DIVERGENCE ALOFT WHICH
IS FUELING DEEP CONVECTION. WARM (28-30 CELSIUS) SEA SURFACE
TEMPERATURES ARE FAVORABLE FOR DEVELOPMENT. GLOBAL MODELS DO NOT
SHOW DEVELOPMENT IN THE 96 HOUR WINDOW AT THIS TIME. MAXIMUM
SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA
LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1008 MB. THE POTENTIAL FOR
THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24
HOURS IS LOW.
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Re: WPAC: Invest 93W

#4 Postby 1900hurricane » Thu Apr 26, 2018 3:24 pm

Microwave imagery reveals some broad vorticity and shallow banding. If this was at a higher latitude, I'd probably be trumpeting this one's development, but I don't think broad vorticity is going to get the job done so close to the equator unless it gets some help from an outside factor (such as an equatorial westerly wind burst).

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Re: WPAC: Invest 93W

#5 Postby NotSparta » Thu Apr 26, 2018 5:02 pm

1900hurricane wrote:Microwave imagery reveals some broad vorticity and shallow banding. If this was at a higher latitude, I'd probably be trumpeting this one's development, but I don't think broad vorticity is going to get the job done so close to the equator unless it gets some help from an outside factor (such as an equatorial westerly wind burst).

Image


Some models were developing this due to a WWB, but have since backed off a bit on 93W and the WWB
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Re: WPAC: Invest 93W

#6 Postby euro6208 » Thu Apr 26, 2018 7:32 pm

93W INVEST
As of 18:00 UTC Apr 26, 2018:

Location: 3.3°N 142.2°E
Maximum Winds: 15 kt
Minimum Central Pressure: 1008 mb

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Image
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Re: WPAC: Invest 93W

#7 Postby euro6208 » Fri Apr 27, 2018 2:57 am

THE AREA OF CONVECTION (INVEST 93W) PREVIOUSLY LOCATED
NEAR 3.3N 144.6E, HAS DISSIPATED AND IS NO LONGER SUSPECT FOR THE
DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE IN THE NEXT 24 HOURS.
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