EPAC: KIKO - Post-Tropical

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Re: EPAC: KIKO - Tropical Storm

#41 Postby Hurricane_Luis » Sat Aug 31, 2013 5:57 pm

And the eye is on its way back.

Tropical Storm Kiko

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#42 Postby Yellow Evan » Sat Aug 31, 2013 6:20 pm

I'd go with 55 knts personally.
Last edited by Yellow Evan on Sat Aug 31, 2013 9:09 pm, edited 1 time in total.
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#43 Postby Yellow Evan » Sat Aug 31, 2013 6:21 pm

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#44 Postby RL3AO » Sat Aug 31, 2013 6:26 pm

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Continues to improve on microwave. I'd estimate 55 to 60kt.
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Re: EPAC: KIKO - Tropical Storm

#45 Postby Macrocane » Sat Aug 31, 2013 8:00 pm

A nice surprise for this really weird Northern Hemisphere tropical cyclone season.
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Re: EPAC: KIKO - Tropical Storm

#46 Postby supercane4867 » Sat Aug 31, 2013 8:29 pm

T3.5/55kt from TAFB

EP, 11, 201309010000, 10, DVTS, CI, , 1960N, 11600W, , 3, 55, 2, 994, 2, DVRK, , , , , , , , , , , , , , E, TAFB, AL, VI, 5, 3535 /////, , , GOES15, CSC, T
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#47 Postby CrazyC83 » Sat Aug 31, 2013 9:10 pm

Given the eye pattern, I would go up to 65 kt if Dvorak is as high as constraints allow.
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Re: EPAC: KIKO - Tropical Storm

#48 Postby hurricanes1234 » Sat Aug 31, 2013 9:23 pm

Image

Looks like a Category 1 on infrared imagery.

OFF TOPIC: Did I post the image correctly? I can't remember exactly how to do it. :oops:

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Re: EPAC: KIKO - Tropical Storm

#49 Postby cycloneye » Sat Aug 31, 2013 9:42 pm

BULLETIN
TROPICAL STORM KIKO ADVISORY NUMBER 5
NWS NATIONAL HURRICANE CENTER MIAMI FL EP112013
800 PM PDT SAT AUG 31 2013

...KIKO CLOSE TO HURRICANE STRENGTH...


SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...20.0N 115.8W
ABOUT 430 MI...690 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...N OR 10 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.32 INCHES




TROPICAL STORM KIKO DISCUSSION NUMBER 5
NWS NATIONAL HURRICANE CENTER MIAMI FL EP112013
800 PM PDT SAT AUG 31 2013

KIKO IS CONTINUING TO INTENSIFY AT A FAST PACE. MICROWAVE IMAGES
INDICATE THAT THE STORM HAS AN INNER CORE...AND EVEN THE LAST FEW
VISIBLE IMAGES SUGGESTED A WEAK EYE FEATURE WITHIN A MORE
SYMMETRICAL CDO. THE INTENSITY IS SET TO 60 KT...A BIT HIGHER THAN
THE LATEST SATELLITE CLASSIFICATIONS...WHICH HAVE HAD A HARD TIME
KEEPING UP WITH THIS CYCLONE. THE PACE OF STRENGTHENING SHOULD
DIMINISH SOON AS KIKO IS MOVING ACROSS COOLING WATERS...AND WILL BE
CROSSING THE 26C ISOTHERM WITHIN 12-24H. AFTER THAT TIME...A MORE
STEADY DECREASE IN STRENGTH SEEMS PROBABLE DUE TO INCREASING
SOUTHWESTERLY SHEAR...COOLER WATERS...AND ENTRAINMENT OF DRY AIR
ALOFT. THE LATEST NHC PREDICTION IS CLOSE TO A BLEND OF THE
PREVIOUS FORECAST...THE INTENSITY CONSENSUS...AND THE FLORIDA STATE
SUPERENSEMBLE. THE CYCLONE IS LIKELY TO BECOME A REMNANT LOW IN
ABOUT THREE DAYS AND DISSIPATE IN ABOUT FOUR DAYS...CONSISTENT WITH
THE GLOBAL MODEL SOLUTIONS.

KIKO HAS BEEN SURPRISINGLY MOVING A BIT EAST OF NORTH DURING THE
PAST FEW HOURS...010/6. IT APPEARS TO BE ROTATING AROUND THE EAST
SIDE OF A MID/UPPER-LEVEL LOW...WHICH SHOULD CAUSE THE STORM TO
GRADUALLY TURN TO THE NORTH AND NORTH-NORTHWEST OVER THE NEXT DAY
OR SO. MODEL GUIDANCE HAS TAKEN A NOTABLE SHIFT TO THE EAST...AND
THE NHC FORECAST IS SHIFTED EASTWARD BY 30-45 NMI AT MOST TIME
PERIODS ON THIS PACKAGE. IN 36-48H...THE CYCLONE WILL LIKELY
DECOUPLE VERTICALLY...AND THEN BECOME NEARLY STATIONARY FOR A
COUPLE OF DAYS IN LIGHT LOW-LEVEL FLOW.


FORECAST POSITIONS AND MAX WINDS

INIT 01/0300Z 20.0N 115.8W 60 KT 70 MPH
12H 01/1200Z 20.8N 115.8W 65 KT 75 MPH
24H 02/0000Z 21.6N 116.0W 60 KT 70 MPH
36H 02/1200Z 22.2N 116.1W 50 KT 60 MPH
48H 03/0000Z 22.3N 116.2W 40 KT 45 MPH
72H 04/0000Z 22.2N 116.3W 30 KT 35 MPH...POST-TROP/REMNT LOW
96H 05/0000Z...DISSIPATED

$$
FORECASTER BLAKE

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Re: EPAC: KIKO - Tropical Storm

#50 Postby hurricanes1234 » Sat Aug 31, 2013 9:49 pm

Kiko might peak between 80 and 90 mph in the next 6-18 hours, in my opinion. Very impressive storm right now, definitely not what anyone expected.

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Re: EPAC: KIKO - Tropical Storm

#51 Postby Macrocane » Sat Aug 31, 2013 10:06 pm

Poor models (in every sense of poor) have had a hard time forecasting genesis and intensity of the tropical cyclones in every basin this year. This year has showed us how much we still have to learn about weather and climate.
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Re: EPAC: KIKO - Tropical Storm

#52 Postby Yellow Evan » Sat Aug 31, 2013 10:50 pm

hurricanes1234 wrote:Kiko might peak between 80 and 90 mph in the next 6-18 hours, in my opinion. Very impressive storm right now, definitely not what anyone expected.

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At this rate, who knows. It's almost like Kirk 12. I'd say it could peak anywhere from 60-75.
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#53 Postby Yellow Evan » Sun Sep 01, 2013 1:31 am

Kiko may not become a hurricane after all. Looks kinda dead IMO.
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Re: EPAC: KIKO - Tropical Storm

#54 Postby hurricanes1234 » Sun Sep 01, 2013 4:34 am

So we could be this close to having a hurricane, yet still miss it because of increasingly unfavourable conditions. I also do not think it will strengthen into a hurricane, but it is still possible. If this does not become a hurricane, I would be sad to know it was 4 mph away from that status.

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Re: EPAC: KIKO - Tropical Storm

#55 Postby hurricanes1234 » Sun Sep 01, 2013 9:15 am

Best Track remains just short of hurricane strength. This will probably be upgraded to a hurricane in the re-analysis. Here's an AVN picture showing significant warming of cloudtops, meaning that it could already be going downhill. May not become a hurricane (60% chance of not happening). Thoughts?

Image

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#56 Postby Yellow Evan » Sun Sep 01, 2013 9:38 am

000
WTPZ41 KNHC 011434
TCDEP1

TROPICAL STORM KIKO DISCUSSION NUMBER 7
NWS NATIONAL HURRICANE CENTER MIAMI FL EP112013
800 AM PDT SUN SEP 01 2013

A TRMM MICROWAVE OVERPASS AT 1122Z INDICATED THAT KIKO POSSESSED A
WELL-DEFINED MID-LEVEL EYE...BUT THERE WAS NO CLOSED LOW-LEVEL EYE
BENEATH IT. SATELLITE INTENSITY ESTIMATES RANGE FROM A CIRA AMSU
ESTIMATE OF 42 KT TO AS HIGH AS 72 KT FROM BOTH CIMSS AMSU AND ADT
ESTIMATES. ALTHOUGH KIKO COULD HAVE BRIEFLY BEEN A HURRICANE...THE
INITIAL INTENSITY IS BEING MAINTAINED AT 60 KT...WHICH IS SLIGHTLY
HIGHER THAN THE T3.5/55 KT ESTIMATES FROM BOTH TAFB AND SAB.

THE INITIAL MOTION IS NOW 360/06 KT. KIKO IS EXPECTED TO CONTINUE
MOVING NORTHWARD TODAY AND GRADUALLY SLOW DOWN BEFORE TURNING
TOWARD THE NORTH-NORTHWEST ON MONDAY AND TUESDAY WHILE THE CYCLONE
WEAKENS AND MOVES AROUND THE EASTERN PERIPHERY OF A MID- TO
UPPER-LEVEL LOW. AS KIKO WEAKENS AND BECOMES A MORE VERTICALLY
SHALLOW SYSTEM...IT COULD GET TRAPPED AND BECOME STATIONARY IN THE
WEAK LOW-LEVEL FLOW ASSOCIATED WITH A LARGE-SCALE CYCLONIC GYRE
THAT HAS BEEN A PERSISTENT FEATURE ACROSS THE EASTERN NORTH PACIFIC
THE PAST COUPLE OF WEEKS. THE OFFICIAL FORECAST TRACK IS SIMILAR TO
THE PREVIOUS ADVISORY TRACK...AND LIES CLOSE TO THE MULTI-MODEL
CONSENSUS TVCE.

KIKO IS STILL OVER SSTS NEAR 27C...BUT IT WILL BE MOVING OVER
SUB-26C OCEAN TEMPERATURES WITHIN THE NEXT 12 HOURS OR SO...WHICH
SHOULD ACT TO INDUCE STEADY WEAKENING. ALTHOUGH THE VERTICAL SHEAR
IS LOW...THE ENTRAINMENT OF DRIER AND MORE STABLE AIR TO THE NORTH
OF THE CYCLONE SHOULD ALSO HASTEN THE WEAKENING OF KIKO. THE
CYCLONE IS EXPECTED TO BECOME A REMNANT LOW BY 72 HOURS WHEN THE
LOW- AND UPPER-LEVEL CIRCULATIONS DECOUPLE AFTER THE SYSTEM LOSES
MOST...IF NOT ALL...OF ITS CONVECTION OVER 23-24C SSTS BY THAT
TIME. THE NHC INTENSITY FORECAST FOLLOWS THE TREND OF THE PREVIOUS
ADVISORY...AS WELL AS THE SHIPS AND LGEM STATISTICAL-DYNAMICAL
INTENSITY MODELS.

FORECAST POSITIONS AND MAX WINDS

INIT 01/1500Z 21.3N 115.6W 60 KT 70 MPH
12H 02/0000Z 21.9N 115.8W 55 KT 65 MPH
24H 02/1200Z 22.6N 116.0W 45 KT 50 MPH
36H 03/0000Z 23.1N 116.1W 40 KT 45 MPH
48H 03/1200Z 23.4N 116.2W 30 KT 35 MPH
72H 04/1200Z 23.8N 116.4W 20 KT 25 MPH...POST-TROP/REMNT LOW
96H 05/1200Z...DISSIPATED

$$
FORECASTER STEWART
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Re: EPAC: KIKO - Tropical Storm

#57 Postby hurricanes1234 » Sun Sep 01, 2013 11:25 am

Seeing that the discussion stated that Kiko could have briefly been a hurricane, when do you all think that it was most likely at that intensity?
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Re: EPAC: KIKO - Tropical Storm

#58 Postby Hurricane_Luis » Sun Sep 01, 2013 2:18 pm

hurricanes1234 wrote:Seeing that the discussion stated that Kiko could have briefly been a hurricane, when do you all think that it was most likely at that intensity?


August 31st 18:45. When the eye was most distinct.

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#59 Postby Hurricane_Luis » Sun Sep 01, 2013 2:21 pm

This is what Kiko looks like now.

Image
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#60 Postby CrazyC83 » Sun Sep 01, 2013 2:26 pm

I'd say peak intensity was at 0000Z, as a Cat 1 hurricane.
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