ARABIAN SEA: HIKAA - Post-Tropical

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Tailspin

Re: ARABIAN SEA: HIKAA - Tropical Storm

#21 Postby Tailspin » Tue Sep 24, 2019 12:50 am

UW - CIMSS
ADVANCED DVORAK TECHNIQUE
ADT-Version 9.0
Tropical Cyclone Intensity Algorithm

----- Current Analysis -----
Date : 24 SEP 2019 Time : 044500 UTC
Lat : 20:05:24 N Lon : 59:56:23 E


CI# /Pressure/ Vmax
4.9 / 965.6mb/ 87.4kt


Final T# Adj T# Raw T#
4.8 4.3 3.8

Center Temp : -62.5C Cloud Region Temp : -66.8C

Scene Type : UNIFORM CDO CLOUD REGION

Subtropical Adjustment : OFF

Extratropical Adjustment : OFF

Positioning Method : ARCHER POSITIONING

Ocean Basin : INDIAN
Dvorak CI > MSLP Conversion Used : CKZ Method

Tno/CI Rules : Constraint Limits : 0.5T/hour
Weakening Flag : ON
Rapid Dissipation Flag : OFF

C/K/Z MSLP Estimate Inputs :
- Average 34 knot radii : 40nmi
- Environmental MSLP : 1007mb

Satellite Name : MSG1
Satellite Viewing Angle : 31.5 degrees
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Nancy Smar
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Re: ARABIAN SEA: HIKAA - Tropical Storm

#22 Postby Nancy Smar » Tue Sep 24, 2019 1:30 am

THE ESTIMATED MAXIMUM SUSTAINED WIND SPEED IS 80 KNOTS GUSTING
TO 90 KNOTS. THE SEA CONDITION IS PHENOMENAL AROUND THE SYSTEM
CENTRE. THE ESTIMATED CENTRAL PRESSURE IS 976 HPA (.)
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Re: ARABIAN SEA: HIKAA - Tropical Storm

#23 Postby Nancy Smar » Tue Sep 24, 2019 1:31 am

IO, 03, 201909231430, 30, AMSU, IP, , 2020N, 6304E, , 2, 97, 1, 958, 1, MEAS, , , , , , , , , , , , 9, , A, CIMS, , , , , , , , 958, , NOAA15, , , , , , , , , , , , , , , , , , , ,
IO, 03, 201909231719, 30, AMSU, IP, , 2020N, 6253E, , 2, 106, 1, 956, 1, MEAS, , , , , , , , , , , , 9, , A, CIMS, , , , , , , , 956, , NOAA90, , , , , , , , , , , , , , , , , , , ,
IO, 03, 201909231630, 30, AMSU, IP, , 2020N, 6260E, , 2, 91, 1, 959, 1, MEAS, , , , , , , , , , , , 9, , A, CIMS, , , , , , , , 959, , NOAA18, , , , , , , , , , , , , , , , , ,

CIMSS AMSU: 956 hPa 111 knots Bias Corr: 0 (MW) Date: 09240121
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Imran_doomhaMwx
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Re: ARABIAN SEA: HIKAA - Very Severe Cyclonic Storm

#24 Postby Imran_doomhaMwx » Tue Sep 24, 2019 5:21 am

This has been upgraded to a Very Severe Cyclonic Storm by IMD. Better change the thread title.
TC ADVISORY
TCAC: NEW DELHI
DTG: 20190924/0000Z
TC: HIKAA
NR: 07
PSN: N2006 E06100
MOV: W13KT
C: 0980HPA
MAX WIND: 70KT
FCST PSN+06HR: 24/0600Z N2000 E05936
FCST MAX WIND +6HRS: 65 KT
FCST PSN+12HR: 24/1200Z N1954 E05818
FCST MAX WIND+12HR: 60KT
FCST PSN+18HR: 24/1800Z N1948 E05700
FCST MAX WIND+18HR: 45KT
FCST PSN+24HR: 25/0000Z N1942 E05600
FCST MAX WIND+24HR: 30KT
RMK: NIL
NXT MSG: 20190924/0900Z
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Imran_doomhaMwx
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Re: ARABIAN SEA: HIKAA - Very Severe Cyclonic Storm

#25 Postby Imran_doomhaMwx » Tue Sep 24, 2019 6:56 am

Image
Image
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Re: ARABIAN SEA: HIKAA - Tropical Storm

#26 Postby mrbagyo » Tue Sep 24, 2019 9:34 pm

Image
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Re: ARABIAN SEA: HIKAA - Tropical Storm

#27 Postby Imran_doomhaMwx » Tue Sep 24, 2019 10:27 pm

Hikaa made landfall near the Omani town of Duqm at about 7pm local time yesterday (3pm UTC).
Shortly before landfall, the airport in Duqm reported 10-min sustained winds of 86kph (24 m/s) gusting to 108kph (30 m/s) and a SLP of 990mb (742.4 mmHg). Unfortunately, it has stopped providing data since then.

Image

Satellite and microwave images at around landfall:
Image
Image
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