UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020032911.upa.cvt Date: 1100Z 29 MAR 20 Searching for HKLO... Searching the city database file for: HKLO ... Date:1100Z 29 MAR 20 Station: HKLO WMO ident: 63612 Latitude: 3.12 Longitude: 35.61 Elevation: 515.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 954 515 29.8 21.8 62 8.0 23.9 230 5 307.1 310.3 298.7 359.8 17.49 1 850 1516 19.8 17.8 88 2.0 18.4 115 5 306.9 309.7 297.3 352.8 15.26 2 700 3170 11.0 7.6 80 3.4 8.9 75 13 314.7 316.5 295.3 344.0 9.40 3 500 5890 -6.1 -21.1 29 15.0 -11.0 95 25 325.6 325.9 291.9 330.6 1.42 4 400 7610 -15.1 -15.4 98 0.3 -15.2 125 20 335.4 336.0 295.6 345.5 2.89 5 300 9730 -30.1 -42.1 30 12.0 -31.6 100 30 343.0 343.0 295.3 344.2 0.31 TRP WND Sounding variables and indices Freezing level: 571.35 mb = 4919.71 m = 16140.58 ft Wetbulb zero: 610.58 mb = 4274.79 m = 14024.72 ft Precipitable water: 1.97 inches Sfc-500 mean rel hum: 67.02 % Est. max temperature: 31.84 C = 89.31 F Sfc-Lift cond lev (LCL): 849.83 mb = 1517.71 m = 4979.29 ft T: 19.79 C 700-500 lapse rate: 6.29 C/km ThetaE index: 29.24 C Layer 850.0- 400.0 mb Conv cond level (CCL): 825.98 mb = 1760.24 m = 5774.98 ft Mean mixing ratio: 16.42 g/kg Conv temperature: 30.77 C = 87.39 F Cap Strength: 0.43 C Lifted Index: -5.36 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.10 C Lifted Index @700 mb: -1.27 C Showalter Index: -4.13 C Risk: Severe thunderstorms possible Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 23.90 C K Index: 40.30 Risk: > 80 % chance of thunderstorms Sweat Index: 264.60 Risk: None Energy Index: -4.32 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1064.76 J/kg Max Up Vert Vel: 46.15 m/s Conv Inhibition (B-): 3.05 J/kg Cap Strength: 0.43 C Lift Cond Lev (LCL): 838.78 mb = 1629.24 m = 5345.22 ft Lev Free Conv (LFC): 803.78 mb = 1992.35 m = 6536.49 ft Wind level data Storm motion: 122 at 11 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 954 515 230 5 3.8 3.2 | 281 13 13.1 -2.6 1 850 1516 115 5 -4.5 2.1 | 307 6 4.8 -3.7 2 700 3170 75 13 -12.6 -3.4 | 20 10 -3.3 -9.1 3 500 5890 95 25 -24.9 2.2 | 77 16 -15.6 -3.6 4 400 7610 125 20 -16.4 11.5 | 129 9 -7.1 5.7 5 300 9730 100 30 -29.5 5.2 | 88 20 -20.2 -0.6 6 250 11000 105 22 -21.3 5.7 | 90 12 -11.9 -0.1 Wind Parameters Mean winds (0-6000m): 91.8 at 14.6 knts Storm direction: 121.8 at 11.0 knts Shear (0-3000m) pos: 0.0 neg: 3.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 107.7 deg Storm rel helicity (0-3000m) pos: 20.5 neg: -4.3 tot: 16.2 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 1.8 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 23.26 Bulk Shear: 45.78 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 229 5 281 13| 0.0 4.9 4.9| 0.3 -4.3 -4.0 -8.1 -0.25| 5.1 -1.3 1000 173 5 275 9| 0.0 4.3 4.3| 6.6 -4.3 2.3 2.3 0.24| 5.2 1.2 1500 139 5 287 6| 0.0 3.8 3.8| 9.7 -4.3 5.4 3.6 0.37| 4.4 1.6 2000 117 6 308 5| 0.0 3.6 3.6| 13.2 -4.3 8.9 4.4 0.47| 4.1 1.9 2500 101 7 333 5| 0.0 3.5 3.5| 16.0 -4.3 11.6 4.7 0.47| 3.9 1.8 3000 92 8 348 6| 0.0 3.3 3.3| 20.5 -4.3 16.2 5.4 0.49| 3.7 1.8 4000 87 10 9 6| 0.6 2.5 3.1| 33.7 -4.3 29.4 7.3 0.57| 3.4 2.0 5000 89 13 28 7| 1.0 2.0 3.0| 49.3 -4.3 45.0 9.0 0.62| 3.3 2.0 6000 92 15 45 7| 1.1 1.6 2.7| 71.0 -4.3 66.7 11.1 0.65| 3.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//HKLO/skewt/HKLO.skewt.20200329.11.gif