UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102013.upa.cvt Date: 1300Z 20 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1300Z 20 OCT 25 Station: VH004 WMO ident: 45004 Latitude: 22.32 Longitude: 114.17 ------------------------------------------------------------------------------- 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 1006 63 24.2 17.2 65 7.0 19.5 15 5 296.8 299.1 292.4 332.6 12.36 1 1000 115 24.0 18.0 69 6.0 19.9 25 11 297.1 299.5 293.0 335.0 13.09 2 925 792 19.2 17.3 89 1.9 17.9 70 27 298.9 301.4 293.9 338.4 13.55 3 850 1518 15.6 15.6 100 0.0 15.6 85 38 302.5 304.9 294.7 341.6 13.23 4 700 3158 9.4 9.4 100 0.0 9.4 105 19 312.9 314.9 295.7 345.8 10.65 5 500 5880 -4.1 -6.0 87 1.9 -5.0 75 9 328.0 329.0 295.4 344.4 4.89 6 400 7610 -12.9 -17.9 66 5.0 -14.7 105 13 338.2 338.7 295.8 346.6 2.34 7 300 9740 -27.1 -35.1 47 8.0 -28.5 180 21 347.2 347.3 296.5 349.7 0.64 8 250 11030 -37.5 -47.5 35 10.0 -38.4 235 17 350.3 350.4 296.9 351.2 0.21 9 200 12530 -50.5 -55.0 59 4.5 -50.7 190 29 352.8 352.8 297.3 353.3 0.11 TRP WND Sounding variables and indices 1000-500 mb thick: 5765.00 m Freezing level: 560.74 mb = 5053.32 m = 16578.93 ft Wetbulb zero: 569.64 mb = 4825.05 m = 15830.04 ft Precipitable water: 2.36 inches Sfc-500 mean rel hum: 93.46 % Est. max temperature: 29.56 C = 85.21 F Sfc-Lift cond lev (LCL): 907.95 mb = 951.75 m = 3122.52 ft T: 18.41 C 700-500 lapse rate: 4.96 C/km Conv cond level (CCL): 854.10 mb = 1476.67 m = 4844.66 ft Mean mixing ratio: 13.33 g/kg Conv temperature: 29.65 C = 85.37 F Cap Strength: 2.70 C Lifted Index: 3.97 C Risk: None Lifted Index @300 mb: 8.80 C Lifted Index @700 mb: 2.70 C Showalter Index: 2.03 C Risk: Showers probable Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: 19.70 C K Index: 35.30 Risk: > 80 % chance of thunderstorms Sweat Index: 272.20 Risk: None Energy Index: 0.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.92 J/kg Max Up Vert Vel: 3.72 m/s Conv Inhibition (B-): 2420.95 J/kg Cap Strength: 3.87 C Lift Cond Lev (LCL): 905.36 mb = 976.23 m = 3202.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 111 at 16 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 1006 63 15 5 -1.3 -4.8 | 308 18 14.0 -10.8 1 1000 115 25 11 -4.6 -10.0 | 326 19 10.6 -15.9 2 978 305 35 21 -12.0 -17.2 | 352 23 3.3 -23.2 3 945 610 55 25 -20.5 -14.3 | 14 21 -5.2 -20.3 4 925 792 70 27 -25.4 -9.2 | 34 18 -10.1 -15.2 5 912 914 75 36 -34.8 -9.3 | 52 25 -19.5 -15.3 6 880 1219 75 48 -46.4 -12.4 | 59 36 -31.1 -18.4 7 850 1518 85 38 -37.9 -3.3 | 68 24 -22.6 -9.3 8 819 1829 80 27 -26.6 -4.7 | 47 16 -11.3 -10.6 9 790 2134 85 29 -28.9 -2.5 | 58 16 -13.6 -8.5 10 762 2438 85 25 -24.9 -2.2 | 50 13 -9.6 -8.1 11 700 3158 105 19 -18.4 4.9 | 71 3 -3.1 -1.0 12 658 3658 90 15 -15.0 0.0 | 357 6 0.3 -6.0 13 634 3962 85 15 -14.9 -1.3 | 357 7 0.4 -7.3 14 588 4572 85 19 -18.9 -1.7 | 25 8 -3.6 -7.6 15 566 4877 80 15 -14.8 -2.6 | 356 9 0.5 -8.6 16 506 5791 100 15 -14.8 2.6 | 351 3 0.5 -3.4 17 500 5880 75 9 -8.7 -2.3 | 321 11 6.6 -8.3 18 486 6096 65 9 -8.2 -3.8 | 324 12 7.1 -9.8 19 432 7010 90 11 -11.0 0.0 | 324 7 4.3 -6.0 20 416 7315 80 13 -12.8 -2.3 | 343 9 2.5 -8.2 21 400 7610 105 13 -12.6 3.4 | 313 4 2.7 -2.6 22 399 7620 105 13 -12.6 3.4 | 313 4 2.7 -2.6 23 383 7925 95 11 -11.0 1.0 | 319 7 4.3 -5.0 24 368 8230 50 11 -8.4 -7.1 | 332 15 6.9 -13.0 25 353 8534 40 11 -7.1 -8.4 | 330 17 8.2 -14.4 26 339 8839 80 5 -4.9 -0.9 | 303 12 10.4 -6.8 27 325 9144 165 19 -4.9 18.4 | 220 16 10.4 12.4 28 312 9449 155 21 -8.9 19.0 | 206 15 6.4 13.1 29 300 9740 180 21 0.0 21.0 | 225 21 15.3 15.0 30 299 9754 180 21 0.0 21.0 | 225 21 15.3 15.0 31 275 10363 170 15 -2.6 14.8 | 235 15 12.7 8.8 32 263 10668 220 13 8.4 10.0 | 260 24 23.7 4.0 33 252 10973 240 17 14.7 8.5 | 265 30 30.0 2.5 34 250 11030 235 17 13.9 9.8 | 263 29 29.2 3.8 35 210 12192 190 27 4.7 26.6 | 224 29 20.0 20.6 36 200 12530 190 29 5.0 28.6 | 222 30 20.3 22.6 37 182 13106 190 31 5.4 30.5 | 220 32 20.7 24.6 38 174 13411 190 31 5.4 30.5 | 220 32 20.7 24.6 Wind Parameters Mean winds (0-6000m): 81.3 at 21.9 knts Storm direction: 111.3 at 16.4 knts Shear (0-3000m) pos: 4.7 neg: 1.4 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 119.3 deg Storm rel helicity (0-3000m) pos: 281.7 neg: -38.0 tot: 243.6 m^2/s^2 ave: 81.2 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 15.2 stream: 7.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.23 Bulk Shear: 29.47 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 39 19 350 21| 21.2 0.0 21.2|123.2 0.0 123.2 246.3 0.95| 24.5 23.4 1000 58 25 17 20| 20.4 0.0 20.4|219.7 0.0 219.7 219.7 0.84| 24.3 20.5 1500 68 31 37 22| 12.0 0.0 12.0|265.7 -2.3 263.4 175.6 0.70| 22.1 15.4 2000 71 31 41 21| 9.0 2.0 11.0|274.2 -31.6 242.6 121.3 0.54| 19.5 10.6 2500 74 30 43 20| 6.3 1.6 7.9|277.9 -38.0 239.9 96.0 0.49| 16.8 8.3 3000 77 29 45 18| 4.7 1.4 6.0|281.7 -38.0 243.6 81.2 0.48| 15.2 7.3 4000 80 25 43 14| 3.5 1.6 5.1|283.2 -43.5 239.7 59.9 0.39| 12.6 4.9 5000 80 24 39 13| 2.8 1.4 4.2|289.6 -52.6 236.9 47.4 0.35| 10.9 3.8 6000 81 22 34 11| 2.4 1.8 4.3|290.2 -58.5 231.7 38.6 0.28| 10.2 2.9 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251020.13.gif