UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 23 APR 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 1001 63 26.8 23.3 81 3.5 24.3 305 1 299.9 303.2 297.4 353.4 18.28 1 1000 72 26.8 23.4 82 3.4 24.3 240 1 300.0 303.3 297.5 353.9 18.41 2 925 757 21.4 19.7 90 1.7 20.2 225 13 301.2 304.1 296.1 347.7 15.81 3 915 851 21.0 19.1 89 1.9 19.7 228 14 301.7 304.5 296.0 347.1 15.39 4 856 1432 23.6 1.6 24 22.0 11.3 222 23 310.2 311.2 290.5 325.9 5.02 5 850 1493 23.4 0.4 22 23.0 10.7 225 23 310.7 311.5 290.3 325.2 4.63 6 818 1827 20.2 6.2 40 14.0 11.7 235 18 310.7 312.1 292.6 333.2 7.29 7 789 2137 16.4 13.6 83 2.8 14.5 245 13 309.9 312.2 296.2 348.0 12.51 8 738 2704 13.8 5.8 58 8.0 9.0 243 18 313.0 314.5 293.7 337.4 7.86 9 703 3112 10.6 7.3 80 3.3 8.6 249 19 313.8 315.6 294.9 342.3 9.17 10 700 3148 10.6 5.7 72 4.9 7.6 245 19 314.2 315.8 294.3 339.9 8.24 11 679 3401 8.8 0.8 57 8.0 4.4 241 19 315.0 316.1 292.7 333.8 5.98 12 675 3450 8.6 -4.4 39 13.0 2.1 243 20 315.3 316.1 291.2 328.4 4.09 13 671 3499 8.8 -15.2 17 24.0 -0.7 245 20 316.0 316.4 289.3 321.9 1.75 14 654 3711 7.4 -13.6 21 21.0 -1.2 250 21 316.8 317.2 289.8 323.6 2.04 15 649 3774 6.8 -3.2 49 10.0 1.7 251 21 316.8 317.7 292.2 331.7 4.66 16 643 3850 6.4 -12.6 24 19.0 -1.5 252 22 317.2 317.6 290.2 324.7 2.26 17 638 3914 5.6 -0.4 65 6.0 2.4 253 22 317.0 318.1 293.2 335.6 5.83 18 591 4536 1.8 -5.2 60 7.0 -1.6 259 25 319.6 320.4 292.7 333.9 4.40 19 566 4884 0.4 -12.6 37 13.0 -5.0 261 28 321.9 322.4 291.9 330.5 2.56 20 559 4984 0.0 -8.0 55 8.0 -3.7 262 29 322.6 323.3 293.0 335.0 3.75 21 522 5530 -2.9 -12.9 46 10.0 -7.0 264 34 325.5 326.0 293.0 334.7 2.71 22 519 5575 -2.9 -22.9 20 20.0 -9.3 264 34 326.0 326.2 291.7 330.1 1.17 23 505 5792 -4.3 -14.3 46 10.0 -8.2 265 36 326.9 327.4 293.2 335.4 2.50 24 502 5839 -4.5 -8.6 73 4.1 -6.4 265 34 327.2 328.0 294.4 340.5 3.98 25 500 5870 -4.3 -12.3 54 8.0 -7.7 265 33 327.8 328.4 293.8 337.9 2.98 26 495 5949 -4.3 -19.3 30 15.0 -9.6 265 32 328.7 329.1 293.0 334.6 1.68 27 486 6093 -5.3 -13.3 53 8.0 -8.6 265 31 329.2 329.8 294.0 338.9 2.82 28 480 6190 -5.3 -19.3 32 14.0 -10.2 263 32 330.4 330.8 293.4 336.5 1.73 29 459 6538 -8.1 -25.1 24 17.0 -13.1 254 34 331.2 331.4 293.1 335.1 1.08 30 452 6657 -9.1 -22.1 34 13.0 -13.2 251 35 331.4 331.7 293.4 336.5 1.44 31 432 7005 -10.9 -35.9 11 25.0 -16.3 262 32 333.4 333.5 293.0 335.0 0.41 32 424 7148 -11.9 -25.9 30 14.0 -15.9 268 31 333.9 334.1 293.8 337.9 1.09 33 400 7590 -14.7 -32.7 20 18.0 -18.8 265 31 335.9 336.0 293.9 338.2 0.61 34 342 8760 -22.7 -57.7 3 35.0 -26.1 247 28 340.4 340.4 294.4 340.6 0.05 35 315 9359 -26.9 -38.9 31 12.0 -28.7 260 32 342.7 342.7 295.3 344.3 0.42 36 300 9710 -29.5 -46.5 18 17.0 -31.4 260 29 343.8 343.8 295.4 344.6 0.20 37 294 9853 -30.9 -46.9 19 16.0 -32.6 260 30 343.8 343.8 295.4 344.6 0.19 38 290 9950 -31.5 -37.5 55 6.0 -32.4 260 30 344.3 344.4 295.8 346.4 0.52 39 273 10373 -34.3 -38.0 69 3.7 -34.8 260 33 346.2 346.4 296.3 348.3 0.53 40 270 10450 -35.1 -38.2 73 3.1 -35.5 264 33 346.2 346.3 296.3 348.2 0.52 41 250 10980 -39.3 -42.9 69 3.6 -39.6 275 29 347.6 347.7 296.4 349.0 0.35 42 206 12277 -50.7 -54.9 61 4.2 -50.9 268 21 349.5 349.5 296.6 350.0 0.11 43 200 12470 -51.3 -57.3 49 6.0 -51.5 260 19 351.5 351.5 297.0 351.9 0.08 44 187 12904 -54.1 -58.9 55 4.8 -54.2 283 16 353.8 353.8 297.5 354.1 0.07 45 172 13437 -56.7 -67.7 24 11.0 -56.9 285 17 358.1 358.1 298.4 358.2 0.02 46 163 13776 -59.9 -67.9 34 8.0 -60.0 288 15 358.3 358.3 298.4 358.4 0.03 47 158 13970 -61.1 -77.1 10 16.0 -61.3 290 13 359.4 359.4 298.6 359.5 0.01 48 150 14290 -64.3 -77.3 15 13.0 -64.4 255 15 359.3 359.3 298.5 359.3 0.01 49 134 14972 -69.7 -82.7 13 13.0 -69.8 245 15 361.5 361.5 299.0 361.5 0.00 50 100 16680 -78.7 -85.7 31 7.0 -78.7 320 15 375.7 375.7 301.5 375.7 0.00 51 93 17091 -80.9 -86.9 36 6.0 -80.9 320 15 379.2 379.2 302.1 379.2 0.00 52 93 17091 -80.7 -86.7 36 6.0 -80.7 320 15 379.6 379.6 302.2 379.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 559.00 mb = 4983.60 m = 16350.20 ft Wetbulb zero: 672.03 mb = 3486.22 m = 11437.60 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 57.53 % Est. max temperature: 37.53 C = 99.55 F Sfc-Lift cond lev (LCL): 951.79 mb = 506.17 m = 1660.65 ft T: 23.38 C 700-500 lapse rate: 5.47 C/km ThetaE index: 28.77 C Layer 925.0- 818.0 mb Conv cond level (CCL): 801.57 mb = 2000.75 m = 6564.06 ft Mean mixing ratio: 16.47 g/kg Conv temperature: 37.17 C = 98.91 F Cap Strength: 5.80 C Lifted Index: -1.16 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.81 C Lifted Index @700 mb: 0.15 C Showalter Index: 9.33 C Risk: None Total Totals Index: 32.40 C Risk: None Vertical Totals Index: 27.70 C Cross Totals Index: 4.70 C K Index: 23.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 189.15 Risk: None Energy Index: 2.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 323.73 J/kg Max Up Vert Vel: 25.45 m/s Conv Inhibition (B-): 195.46 J/kg Cap Strength: 5.77 C Lift Cond Lev (LCL): 914.35 mb = 857.49 m = 2813.26 ft Lev Free Conv (LFC): 689.35 mb = 3275.31 m = 10745.64 ft Equ Level (EL): 249.35 mb = 10997.48 m = 36080.54 ft B at Equ Level: 322.91 J/kg Max Parcel Lev (MPL): 159.35 mb = 13916.73 m = 45658.02 ft Wind level data Storm motion: 279 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 1001 63 305 1 0.8 -0.6 | 97 15 -15.1 1.9 1 1000 72 240 1 0.9 0.5 | 101 15 -15.0 3.0 2 974 305 225 11 7.8 7.8 | 142 13 -8.1 10.3 3 941 610 230 13 10.0 8.4 | 151 12 -5.9 10.8 4 925 757 225 13 9.2 9.2 | 150 13 -6.7 11.7 5 908 914 230 15 11.5 9.6 | 160 13 -4.4 12.1 6 877 1219 210 23 11.5 19.9 | 169 23 -4.4 22.4 7 850 1493 225 23 16.3 16.3 | 181 19 0.4 18.7 8 788 2134 245 13 11.8 5.5 | 153 9 -4.1 8.0 9 761 2438 235 17 13.9 9.8 | 171 12 -2.0 12.2 10 708 3048 255 19 18.4 4.9 | 199 8 2.5 7.4 11 700 3148 245 19 17.2 8.0 | 187 11 1.3 10.5 12 683 3353 240 19 16.5 9.5 | 183 12 0.6 12.0 13 657 3658 250 21 19.7 7.2 | 202 10 3.9 9.7 14 587 4572 260 25 24.6 4.3 | 232 11 8.7 6.8 15 505 5791 265 36 35.9 3.1 | 254 21 20.0 5.6 16 500 5870 265 33 32.9 2.9 | 253 18 17.0 5.4 17 486 6096 265 31 30.9 2.7 | 251 16 15.0 5.2 18 449 6706 250 35 32.9 12.0 | 230 22 17.0 14.4 19 415 7315 275 29 28.9 -2.5 | 270 13 13.0 -0.1 20 400 7590 265 31 30.9 2.7 | 251 16 15.0 5.2 21 352 8534 240 25 21.7 12.5 | 201 16 5.8 15.0 22 324 9144 260 33 32.5 5.7 | 244 19 16.6 8.2 23 300 9710 260 29 28.6 5.0 | 239 15 12.7 7.5 24 273 10363 260 33 32.5 5.7 | 244 19 16.6 8.2 25 261 10668 275 33 32.9 -2.9 | 271 17 17.0 -0.4 26 250 10973 270 33 33.0 -0.0 | 262 17 17.1 2.5 27 250 10980 275 29 28.9 -2.5 | 270 13 13.0 -0.1 28 218 11887 285 25 24.1 -6.5 | 296 9 8.3 -4.0 29 200 12470 260 19 18.7 3.3 | 206 6 2.8 5.8 30 199 12497 260 19 18.7 3.3 | 206 6 2.8 5.8 31 181 13106 295 15 13.6 -6.3 | 31 4 -2.3 -3.9 32 172 13411 285 17 16.4 -4.4 | 344 2 0.5 -1.9 33 157 14021 290 13 12.2 -4.4 | 62 4 -3.7 -2.0 34 150 14290 255 15 14.5 3.9 | 168 7 -1.4 6.4 35 149 14326 260 11 10.8 1.9 | 131 7 -5.0 4.4 36 134 14935 245 15 13.6 6.3 | 165 9 -2.3 8.8 37 121 15545 260 13 12.8 2.3 | 147 6 -3.1 4.7 38 109 16154 240 21 18.2 10.5 | 190 13 2.3 13.0 39 100 16680 320 15 9.6 -11.5 | 35 11 -6.2 -9.0 40 93 17069 320 15 9.6 -11.5 | 35 11 -6.2 -9.0 41 88 17374 320 9 5.8 -6.9 | 66 11 -10.1 -4.4 Wind Parameters Mean winds (0-6000m): 248.9 at 21.4 knts Storm direction: 278.9 at 16.1 knts Shear (0-3000m) pos: 2.1 neg: 3.8 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 99.4 deg Storm rel helicity (0-3000m) pos: 102.9 neg: -16.1 tot: 86.7 m^2/s^2 ave: 28.9 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 4.0 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 13.33 Bulk Shear: 24.28 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 ------------------------------------------------------------------------------- 500 227 9 133 13| 0.0 12.8 12.8| 41.8 0.0 41.8 83.6 0.95| 13.1 12.5 1000 227 12 145 13| 0.0 9.7 9.7| 58.2 -0.3 57.9 57.9 0.80| 10.6 8.5 1500 222 15 158 15| 1.3 6.5 7.8| 83.0 -0.3 82.7 55.2 0.66| 10.9 7.2 2000 225 16 162 14| 2.1 4.8 6.9| 83.0 -14.4 68.6 34.3 0.41| 10.6 4.3 2500 228 16 162 14| 1.6 4.6 6.2| 93.7 -16.1 77.6 31.0 0.42| 9.7 4.1 3000 232 16 166 13| 2.1 3.8 5.9|102.9 -16.1 86.7 28.9 0.45| 8.9 4.0 4000 237 17 173 12| 1.9 3.2 5.1|120.1 -22.1 98.0 24.5 0.43| 8.1 3.5 5000 243 19 185 11| 2.1 2.5 4.7|137.9 -22.1 115.8 23.2 0.47| 7.3 3.4 6000 249 21 202 11| 2.0 2.1 4.1|152.5 -26.3 126.2 21.0 0.43| 7.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250423.12.gif