UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 21 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 1007 69 19.8 14.8 73 5.0 16.6 25 3 292.4 294.2 289.5 322.4 10.56 1 1000 129 19.4 14.8 75 4.6 16.5 20 9 292.5 294.4 289.6 322.8 10.64 2 951 561 17.8 14.8 83 3.0 15.8 50 20 295.2 297.2 290.9 327.3 11.20 3 948 588 18.0 14.9 82 3.1 16.0 53 20 295.6 297.7 291.2 328.2 11.31 4 928 770 16.0 14.4 90 1.6 15.0 68 28 295.4 297.4 291.0 327.6 11.18 5 925 798 16.4 14.7 90 1.7 15.3 70 29 296.1 298.1 291.5 329.1 11.44 6 881 1215 17.4 14.8 85 2.6 15.7 65 26 301.3 303.5 293.6 336.9 12.10 7 850 1521 17.2 14.7 85 2.5 15.5 55 17 304.2 306.5 294.6 341.3 12.47 8 791 2134 14.4 12.0 85 2.4 12.9 90 9 307.5 309.6 294.7 341.4 11.21 9 749 2593 10.8 10.7 99 0.1 10.7 135 12 308.4 310.5 294.7 341.4 10.86 10 739 2705 11.4 9.8 90 1.6 10.4 146 13 310.3 312.2 294.8 341.9 10.35 11 722 2900 10.6 7.5 81 3.1 8.7 148 16 311.5 313.2 294.1 339.3 9.05 12 700 3158 9.0 7.4 90 1.6 8.0 145 21 312.5 314.2 294.6 341.1 9.27 13 666 3569 6.2 6.2 100 0.0 6.2 152 17 313.8 315.5 294.7 341.7 8.97 14 650 3768 5.2 4.1 93 1.1 4.5 151 15 314.8 316.4 294.2 339.7 7.93 15 627 4063 4.4 1.9 84 2.5 3.0 139 15 317.2 318.5 294.2 339.4 7.02 16 563 4934 0.0 0.0 100 0.0 0.0 123 9 321.9 323.3 295.3 343.9 6.82 17 500 5880 -3.9 -4.5 96 0.6 -4.2 150 3 328.3 329.4 295.8 346.6 5.49 18 433 7003 -9.9 -11.2 90 1.3 -10.5 106 9 334.5 335.2 296.1 347.4 3.76 19 400 7610 -13.5 -15.1 88 1.6 -14.1 125 9 337.4 338.1 296.1 347.9 2.96 20 316 9364 -25.3 -27.6 81 2.3 -25.8 182 10 344.6 344.8 296.5 349.3 1.25 21 303 9668 -27.3 -28.9 86 1.6 -27.6 180 14 345.9 346.2 296.7 350.3 1.16 22 300 9740 -27.9 -29.8 84 1.9 -28.3 180 15 346.1 346.3 296.7 350.2 1.08 23 267 10571 -34.3 -37.1 76 2.8 -34.7 207 20 348.5 348.6 296.8 350.8 0.59 24 250 11030 -38.3 -40.8 77 2.5 -38.6 210 19 349.1 349.2 296.8 350.9 0.43 25 247 11113 -39.1 -41.3 80 2.2 -39.4 212 19 349.1 349.2 296.8 350.8 0.42 26 238 11365 -40.9 -44.0 72 3.1 -41.2 210 21 350.2 350.2 297.0 351.5 0.32 27 233 11509 -41.9 -45.8 66 3.9 -42.2 200 23 350.8 350.8 297.0 351.9 0.27 28 205 12359 -49.7 -51.6 80 1.9 -49.8 207 32 351.6 351.6 297.1 352.2 0.16 29 200 12520 -51.3 -54.0 73 2.7 -51.4 210 33 351.5 351.6 297.1 352.1 0.12 30 169 13588 -60.7 -65.1 56 4.4 -60.8 210 34 353.2 353.3 297.4 353.4 0.04 31 150 14320 -65.3 -70.3 50 5.0 -65.4 240 42 357.6 357.6 298.2 357.7 0.02 32 148 14402 -65.7 -70.7 50 5.0 -65.8 242 37 358.3 358.3 298.4 358.4 0.02 33 111 16091 -80.3 -85.0 45 4.7 -80.3 259 44 361.6 361.6 299.0 361.6 0.00 34 105 16405 -80.3 -87.3 30 7.0 -80.3 260 42 367.4 367.4 300.1 367.4 0.00 35 100 16680 -81.9 -87.9 35 6.0 -81.9 300 13 369.5 369.5 300.5 369.5 0.00 36 92 17143 -84.1 -88.7 44 4.6 -84.1 301 12 374.1 374.1 301.3 374.1 0.00 37 89 17327 -83.3 -87.5 48 4.2 -83.3 304 9 379.2 379.2 302.1 379.2 0.00 38 78 18076 -74.7 -84.7 20 10.0 -74.7 64 6 411.6 411.6 306.7 411.7 0.00 39 73 18458 -76.7 -86.7 19 10.0 -76.7 112 11 415.3 415.3 307.2 415.3 0.00 40 70 18700 -75.1 -87.1 14 12.0 -75.2 115 15 423.7 423.7 308.2 423.7 0.00 41 68 18868 -74.7 -86.7 14 12.0 -74.7 100 14 428.1 428.1 308.6 428.1 0.00 42 68 18868 -74.7 -86.7 14 12.0 -74.7 100 14 428.1 428.1 308.6 428.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 563.00 mb = 4934.29 m = 16188.43 ft Wetbulb zero: 562.70 mb = 4938.47 m = 16202.14 ft Precipitable water: 2.20 inches Sfc-500 mean rel hum: 89.95 % Est. max temperature: 30.96 C = 87.72 F Sfc-Lift cond lev (LCL): 935.23 mb = 704.08 m = 2309.95 ft T: 16.73 C 700-500 lapse rate: 4.74 C/km ThetaE index: 2.59 C Layer 722.0- 700.0 mb Conv cond level (CCL): 752.53 mb = 2553.30 m = 8376.86 ft Mean mixing ratio: 11.11 g/kg Conv temperature: 35.80 C = 96.45 F Cap Strength: 6.89 C Lifted Index: 8.97 C Risk: None Lifted Index @300 mb: 14.50 C Lifted Index @700 mb: 5.87 C Showalter Index: 2.35 C Risk: Showers probable Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 18.60 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 213.40 Risk: None Energy Index: 0.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.74 J/kg Max Up Vert Vel: 6.12 m/s Conv Inhibition (B-): 11056.12 J/kg Cap Strength: 8.86 C Lift Cond Lev (LCL): 912.76 mb = 911.87 m = 2991.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 130 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 1007 69 25 3 -1.3 -2.7 | 324 12 7.0 -9.7 1 1000 129 20 9 -3.1 -8.5 | 341 16 5.2 -15.4 2 980 305 25 27 -11.4 -24.5 | 6 32 -3.1 -31.4 3 946 610 55 19 -15.6 -10.9 | 22 19 -7.3 -17.9 4 925 798 70 29 -27.3 -9.9 | 48 25 -19.0 -16.9 5 912 914 75 35 -33.8 -9.1 | 58 30 -25.5 -16.0 6 850 1521 55 17 -13.9 -9.8 | 19 18 -5.6 -16.7 7 850 1524 50 19 -14.6 -12.2 | 18 20 -6.3 -19.2 8 790 2134 90 9 -9.0 0.0 | 6 7 -0.7 -7.0 9 762 2438 120 11 -9.5 5.5 | 40 2 -1.2 -1.5 10 735 2743 150 13 -6.5 11.3 | 203 5 1.8 4.3 11 700 3158 145 21 -12.0 17.2 | 160 11 -3.8 10.2 12 683 3353 145 21 -12.0 17.2 | 160 11 -3.8 10.2 13 658 3658 155 15 -6.3 13.6 | 196 7 1.9 6.6 14 610 4267 130 15 -11.5 9.6 | 130 4 -3.2 2.7 15 588 4572 135 9 -6.4 6.4 | 288 2 1.9 -0.6 16 566 4877 125 9 -7.4 5.2 | 333 2 0.9 -1.8 17 525 5486 95 3 -3.0 0.3 | 322 9 5.3 -6.7 18 500 5880 150 3 -1.5 2.6 | 303 8 6.8 -4.4 19 486 6096 140 3 -1.9 2.3 | 306 8 6.4 -4.7 20 432 7010 105 9 -8.7 2.3 | 5 5 -0.4 -4.6 21 400 7610 125 9 -7.4 5.2 | 333 2 0.9 -1.8 22 339 8839 185 3 0.3 3.0 | 295 9 8.5 -4.0 23 300 9740 180 15 0.0 15.0 | 226 12 8.3 8.0 24 263 10668 210 21 10.5 18.2 | 239 22 18.8 11.2 25 250 11030 210 19 9.5 16.5 | 242 20 17.8 9.5 26 241 11278 215 19 10.9 15.6 | 246 21 19.2 8.6 27 230 11582 195 25 6.5 24.1 | 221 23 14.8 17.2 28 200 12520 210 33 16.5 28.6 | 229 33 24.8 21.6 29 157 14021 210 35 17.5 30.3 | 228 35 25.8 23.3 30 150 14320 240 42 36.4 21.0 | 253 47 44.7 14.0 31 150 14326 240 35 30.3 17.5 | 255 40 38.6 10.5 32 135 14935 255 50 48.3 12.9 | 264 57 56.6 6.0 33 104 16459 260 42 41.4 7.3 | 270 50 49.6 0.3 34 100 16680 300 13 11.3 -6.5 | 305 24 19.5 -13.5 35 93 17069 300 13 11.3 -6.5 | 305 24 19.5 -13.5 36 88 17374 305 9 7.4 -5.2 | 308 20 15.7 -12.1 37 84 17678 0 0 -0.0 -0.0 | 310 11 8.3 -7.0 38 75 18288 95 9 -9.0 0.8 | 6 6 -0.7 -6.2 39 71 18593 125 13 -10.6 7.5 | 102 2 -2.4 0.5 40 70 18700 115 15 -13.6 6.3 | 83 5 -5.3 -0.6 41 67 18898 95 13 -13.0 1.1 | 39 7 -4.7 -5.8 42 63 19202 120 15 -13.0 7.5 | 96 5 -4.7 0.5 Wind Parameters Mean winds (0-6000m): 100.1 at 14.4 knts Storm direction: 130.1 at 10.8 knts Shear (0-3000m) pos: 5.2 neg: 2.4 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): -159.4 deg Storm rel helicity (0-3000m) pos: 212.5 neg: -99.3 tot: 113.2 m^2/s^2 ave: 37.7 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 17.1 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.37 Bulk Shear: 50.68 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 31 19 5 24| 17.9 0.0 17.9|118.0 0.0 118.0 236.1 0.62| 34.7 21.3 1000 54 24 27 24| 14.6 0.0 14.6|204.7 -19.9 184.7 184.7 0.59| 27.8 16.5 1500 58 24 31 23| 9.7 4.8 14.5|204.7 -87.4 117.3 78.2 0.30| 23.5 7.0 2000 59 21 29 21| 5.9 3.6 9.5|208.9 -91.5 117.4 58.7 0.25| 20.6 5.1 2500 63 19 29 18| 5.0 2.9 7.9|211.7 -92.6 119.1 47.7 0.27| 18.4 5.0 3000 73 18 37 15| 5.2 2.4 7.6|212.5 -99.3 113.2 37.7 0.22| 17.1 3.8 4000 92 18 58 12| 3.5 1.6 5.1|224.7-106.9 117.9 29.5 0.20| 14.5 2.9 5000 99 17 61 9| 2.8 2.0 4.8|226.6-109.3 117.4 23.5 0.21| 12.9 2.7 6000 100 14 53 7| 2.4 2.0 4.4|227.4-117.4 110.0 18.3 0.17| 11.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251021.12.gif