WPAC: WIPHA - Post-Tropical

[NotoSans]

Surface observations suggest a minimal STS. Minimum SLP of ~980hPa and maximum 10-min sustained winds of ~50kt were recorded.

[doomhaMwx]

Wipha has made landfall over northern Vietnam.

[euro6208]

WTPN31 PGTW 030300 COR
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 08W (WIPHA) WARNING NR 014A CORRECTED//
RMKS/
1. TROPICAL DEPRESSION 08W (WIPHA) WARNING NR 014A CORRECTED
DOWNGRADED FROM TROPICAL STORM 08W
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
030000Z --- NEAR 21.2N 106.6E
MOVEMENT PAST SIX HOURS - 250 DEGREES AT 10 KTS
POSITION ACCURATE TO WITHIN 045 NM
POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
SATELLITE AND RADAR
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 21.2N 106.6E
---
FORECASTS:
12 HRS, VALID AT:
031200Z --- 20.6N 105.4E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
VECTOR TO 24 HR POSIT: 255 DEG/ 07 KTS
---
24 HRS, VALID AT:
040000Z --- 20.2N 103.9E
MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
030300Z POSITION NEAR 21.0N 106.3E.
03AUG19. TROPICAL DEPRESSION (TD) 08W (WIPHA), LOCATED APPROXIMATELY
41 NM EAST-NORTHEAST OF HANOI, VIETNAM, HAS TRACKED
WEST-SOUTHWESTWARD AT 10 KNOTS (KTS) OVER THE PAST SIX HOURS.
ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS WEAKENING
CONVECTIVE BANDING WRAPPING INTO A POORLY-DEFINED AND OBSCURED
LOW-LEVEL CIRCULATION CENTER. THE INITIAL POSITION WAS PLACED WITH
FAIR CONFIDENCE USING MSI, A 022146Z SSMIS 91GHZ MICROWAVE IMAGE, AND
ANIMATED RADAR IMAGERY. THE INITIAL 30 KT INTENSITY IS HEDGED
SLIGHTLY BELOW A RJTD SUBJECTIVE DVORAK INTENSITY ESTIMATE OF T2.5
(35 KTS) DUE TO WEAKENING BANDING AND CONTINUED LAND INTERACTION
EFFECTS. THE ENVIRONMENT, WITH MODERATE VERTICAL WIND SHEAR AND GOOD
OUTFLOW, IS MARGINALLY FAVORABLE. AS THE CENTER OF TD 08W CONTINUES
TO TRACK INLAND, INTENSIFICATION IS UNLIKELY. TD 08W IS TRACKING
ALONG THE SOUTHERN PERIPHERY OF A SUBTROPICAL RIDGE (STR). THIS IS
THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL
HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF
REGENERATION. REFER TO TROPICAL STORM 09W (FRANCISCO) WARNINGS
(WTPN32 PGTW) FOR SIX-HOURLY UPDATES.
2. JUSTIFICATION FOR CORRECTION: ADDED FINAL WARNING JUSTIFICATION
TO REMARKS SECTION.//
NNNN

[euro6208]

Agreed with that radar signature. The moment this made landfall it reminded me of *Barry* 2019 BUT definitely more stronger.

How is this not a typhoon?

[1900hurricane]

Recorded pressures and winds when coupled with KZC seem to suggest a system of about 50 kt (10 minute)/55 kt (1 minute). Probably not a typhoon.

[euro6208]

Recorded pressures and winds when coupled with KZC seem to suggest a system of about 50 kt (10 minute)/55 kt (1 minute). Probably not a typhoon.

Typhoon force winds could have occurred in a small area outside the recording station. Again this is much more better organized than ***Barry***.

[NotoSans]

Recorded pressures and winds when coupled with KZC seem to suggest a system of about 50 kt (10 minute)/55 kt (1 minute). Probably not a typhoon.

Typhoon force winds could have occurred in a small area outside the recording station. Again this is much more better organized than ***Barry***.

Automated weather stations are densely located (compared to the US) near the landfall point in China, and the data I quoted is the highest that I could find among a range of AWS. Surface observation is also in line with KZC, as 1900hurricane has mentioned. Satellite presentation is just not 100% correlated with intensity.