UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 27 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 1004 70 21.8 20.8 94 1.0 21.1 140 1 294.6 297.4 294.1 339.2 15.58 1 1000 104 21.2 20.5 96 0.7 20.7 95 1 294.4 297.1 293.9 338.2 15.35 2 980 279 20.0 20.0 100 0.0 20.0 126 8 294.8 297.6 293.9 338.3 15.19 3 953 522 21.4 21.1 98 0.3 21.2 183 9 298.6 301.7 296.1 347.4 16.75 4 925 781 20.2 19.7 97 0.5 19.9 225 11 300.0 302.9 295.8 346.2 15.81 5 850 1512 18.6 14.4 77 4.2 15.8 260 17 305.6 307.9 294.8 342.3 12.23 6 848 1532 18.6 13.9 74 4.7 15.5 275 17 305.8 308.0 294.7 341.4 11.86 7 797 2064 16.8 12.6 76 4.2 14.0 279 19 309.4 311.6 295.4 344.6 11.58 8 700 3158 9.2 8.0 92 1.2 8.5 285 17 312.7 314.5 294.9 342.6 9.67 9 676 3446 7.0 6.2 95 0.8 6.5 290 16 313.3 315.0 294.5 340.8 8.84 10 644 3843 4.6 3.7 94 0.9 4.1 289 18 315.0 316.5 294.1 339.4 7.78 11 598 4444 2.2 -5.8 55 8.0 -1.7 296 19 319.0 319.8 292.4 332.4 4.15 12 571 4816 0.0 -2.3 84 2.3 -1.2 312 18 320.6 321.7 294.0 338.9 5.67 13 554 5058 -1.3 -7.3 64 6.0 -4.1 315 19 321.9 322.7 293.0 335.0 3.99 14 539 5276 -2.7 -4.7 86 2.0 -3.7 315 21 322.7 323.7 294.1 339.1 5.01 15 525 5485 -3.5 -13.5 46 10.0 -7.5 315 23 324.2 324.7 292.5 332.9 2.57 16 524 5500 -2.9 -31.9 9 29.0 -10.4 315 23 325.1 325.2 290.9 327.0 0.50 17 522 5530 -2.9 -33.9 7 31.0 -10.5 313 23 325.5 325.6 290.9 327.0 0.42 18 520 5561 -3.3 -13.3 46 10.0 -7.4 311 24 325.3 325.9 292.9 334.3 2.64 19 518 5591 -3.7 -9.7 63 6.0 -6.4 310 24 325.2 325.9 293.6 337.1 3.54 20 510 5714 -4.1 -15.1 42 11.0 -8.4 303 25 326.2 326.6 292.8 334.1 2.32 21 505 5792 -4.7 -10.7 63 6.0 -7.3 299 26 326.4 327.0 293.7 337.7 3.35 22 500 5870 -4.5 -13.5 49 9.0 -8.2 295 27 327.6 328.1 293.5 336.8 2.70 23 494 5965 -5.3 -12.3 58 7.0 -8.2 291 26 327.7 328.3 293.8 337.9 3.01 24 482 6159 -5.7 -35.7 7 30.0 -12.6 284 25 329.5 329.6 292.0 331.0 0.38 25 471 6340 -7.3 -37.3 7 30.0 -13.8 280 24 329.7 329.8 292.0 331.0 0.33 26 461 6507 -8.5 -24.5 26 16.0 -13.3 276 23 330.3 330.5 292.9 334.3 1.14 27 440 6869 -9.7 -38.7 7 29.0 -15.7 268 22 333.2 333.2 292.9 334.4 0.31 28 400 7600 -14.5 -39.5 10 25.0 -19.2 275 23 336.1 336.2 293.7 337.3 0.31 29 361 8367 -20.7 -51.7 4 31.0 -24.4 264 22 337.9 337.9 293.9 338.2 0.09 30 345 8700 -23.3 -37.3 27 14.0 -25.7 270 24 338.7 338.8 294.4 340.5 0.45 31 326 9113 -25.3 -46.3 12 21.0 -27.9 270 34 341.5 341.6 294.8 342.3 0.18 32 321 9225 -26.1 -55.1 5 29.0 -28.8 271 34 341.9 341.9 294.8 342.2 0.07 33 300 9710 -29.9 -40.9 34 11.0 -31.4 275 29 343.2 343.3 295.4 344.7 0.36 34 294 9854 -31.1 -42.1 33 11.0 -32.4 276 28 343.5 343.6 295.4 344.8 0.32 35 293 9878 -31.5 -34.6 74 3.1 -32.0 277 27 343.3 343.4 295.7 346.0 0.69 36 289 9975 -32.5 -38.5 55 6.0 -33.3 278 26 343.2 343.3 295.5 345.1 0.47 37 285 10073 -33.5 -36.1 77 2.6 -33.9 279 25 343.2 343.3 295.6 345.5 0.61 38 283 10122 -33.9 -41.9 44 8.0 -34.8 279 25 343.3 343.3 295.4 344.6 0.34 39 278 10247 -34.9 -35.6 93 0.7 -35.0 281 23 343.6 343.7 295.8 346.1 0.66 40 271 10425 -35.7 -45.7 35 10.0 -36.7 282 22 344.9 345.0 295.7 345.9 0.24 41 260 10711 -38.3 -43.3 59 5.0 -38.8 288 19 345.2 345.3 295.8 346.5 0.32 42 250 10980 -40.3 -46.3 53 6.0 -40.8 295 25 346.2 346.2 296.0 347.1 0.24 43 212 12082 -49.9 -57.9 38 8.0 -50.2 293 30 347.9 347.9 296.3 348.2 0.07 44 200 12460 -53.1 -59.1 48 6.0 -53.3 295 33 348.7 348.7 296.4 349.0 0.07 45 188 12854 -56.5 -60.6 60 4.1 -56.6 298 34 349.4 349.4 296.5 349.7 0.06 46 162 13782 -63.1 -67.8 53 4.7 -63.1 282 29 353.5 353.5 297.4 353.6 0.03 47 157 13973 -64.3 -78.3 13 14.0 -64.4 273 26 354.7 354.7 297.6 354.7 0.01 48 150 14250 -66.5 -77.5 20 11.0 -66.6 275 31 355.5 355.5 297.8 355.6 0.01 49 140 14665 -69.1 -79.1 22 10.0 -69.2 281 29 358.1 358.1 298.3 358.1 0.01 50 137 14794 -69.7 -74.5 49 4.8 -69.7 283 28 359.2 359.2 298.5 359.3 0.01 51 118 15674 -74.1 -82.1 28 8.0 -74.1 275 30 366.8 366.8 300.0 366.8 0.00 52 100 16630 -77.5 -86.5 22 9.0 -77.5 285 13 378.0 378.0 301.9 378.0 0.00 53 83 17685 -83.3 -89.3 34 6.0 -83.3 270 13 386.9 386.9 303.3 386.9 0.00 54 75 18258 -78.5 -88.5 18 10.0 -78.5 275 19 408.3 408.3 306.3 408.3 0.00 55 72 18490 -80.1 -89.1 21 9.0 -80.1 245 18 409.7 409.7 306.5 409.7 0.00 56 70 18650 -79.5 -89.5 18 10.0 -79.6 275 17 414.3 414.3 307.0 414.3 0.00 57 68 18815 -76.3 -88.3 13 12.0 -76.3 278 17 424.7 424.7 308.3 424.7 0.00 58 61 19438 -77.1 -90.1 11 13.0 -77.1 233 13 436.3 436.3 309.5 436.3 0.00 59 53 20266 -65.5 -88.5 3 23.0 -65.8 11 5 481.0 481.0 313.5 481.1 0.00 60 50 20620 -64.7 -89.7 2 25.0 -65.0 145 11 491.0 491.0 314.3 491.0 0.00 61 46 21133 -62.1 -88.1 2 26.0 -62.6 152 14 509.1 509.1 315.6 509.2 0.00 62 30 23830 -53.7 -85.7 1 32.0 -55.5 40 3 598.2 598.2 320.5 598.3 0.01 63 28 24275 -52.3 -84.3 1 32.0 -54.5 30 6 614.1 614.1 321.2 614.1 0.01 64 26 24753 -53.3 -85.3 1 32.0 -55.4 20 9 624.4 624.4 321.7 624.4 0.01 TRP 83 17685 -83.3 -89.3 34 6.0 -83.3 270 13 386.9 386.9 303.3 386.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5766.00 m Freezing level: 571.00 mb = 4816.16 m = 15800.85 ft Wetbulb zero: 611.29 mb = 4266.04 m = 13996.02 ft Precipitable water: 2.07 inches Sfc-500 mean rel hum: 80.40 % Est. max temperature: 32.51 C = 90.52 F Sfc-Lift cond lev (LCL): 989.74 mb = 193.52 m = 634.90 ft T: 20.59 C 700-500 lapse rate: 5.05 C/km ThetaE index: 12.20 C Layer 700.0- 571.0 mb Conv cond level (CCL): 993.75 mb = 158.44 m = 519.81 ft Mean mixing ratio: 15.76 g/kg Conv temperature: 21.70 C = 71.05 F Cap Strength: 3.07 C Lifted Index: 0.81 C Risk: Showers probable Lifted Index @300 mb: 2.07 C Lifted Index @700 mb: 0.45 C Showalter Index: 1.37 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 18.90 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 233.80 Risk: None Energy Index: -1.09 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.89 J/kg Max Up Vert Vel: 11.91 m/s Conv Inhibition (B-): 167.80 J/kg Cap Strength: 3.05 C Lift Cond Lev (LCL): 946.80 mb = 578.70 m = 1898.59 ft Lev Free Conv (LFC): 681.80 mb = 3375.45 m = 11074.18 ft Equ Level (EL): 511.80 mb = 5686.10 m = 18654.96 ft B at Equ Level: 69.96 J/kg Max Parcel Lev (MPL): 411.80 mb = 7376.96 m = 24202.34 ft Wind level data Storm motion: 316 at 13 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 1004 70 140 1 -0.6 0.8 | 136 14 -9.9 10.2 1 1000 104 95 1 -1.0 0.1 | 133 14 -10.2 9.5 2 977 305 130 9 -6.9 5.8 | 133 22 -16.1 15.2 3 943 610 205 9 3.8 8.2 | 163 18 -5.4 17.6 4 925 781 225 11 7.8 7.8 | 175 17 -1.5 17.2 5 911 914 240 13 11.3 6.5 | 187 16 2.0 15.9 6 850 1512 260 17 16.7 3.0 | 211 14 7.5 12.4 7 849 1524 275 17 16.9 -1.5 | 224 11 7.7 7.9 8 790 2134 280 19 18.7 -3.3 | 237 11 9.5 6.1 9 709 3048 275 21 20.9 -1.8 | 237 14 11.7 7.6 10 700 3158 285 17 16.4 -4.4 | 235 9 7.2 5.0 11 683 3353 290 15 14.1 -5.1 | 229 6 4.9 4.3 12 658 3658 290 17 16.0 -5.8 | 242 8 6.7 3.6 13 610 4267 285 19 18.4 -4.9 | 244 10 9.1 4.5 14 587 4572 305 19 15.6 -10.9 | 283 7 6.3 -1.5 15 566 4877 315 17 12.0 -12.0 | 313 4 2.8 -2.6 16 524 5486 315 23 16.3 -16.3 | 314 10 7.0 -6.9 17 500 5870 295 27 24.5 -11.4 | 278 15 15.2 -2.0 18 486 6096 285 25 24.1 -6.5 | 259 15 14.9 2.9 19 432 7010 265 21 20.9 1.8 | 226 16 11.7 11.2 20 415 7315 275 21 20.9 -1.8 | 237 14 11.7 7.6 21 400 7600 275 23 22.9 -2.0 | 242 16 13.7 7.4 22 367 8230 260 23 22.7 4.0 | 225 19 13.4 13.4 23 352 8534 270 21 21.0 -0.0 | 231 15 11.8 9.4 24 324 9144 270 35 35.0 -0.0 | 250 27 25.8 9.4 25 300 9710 275 29 28.9 -2.5 | 251 21 19.7 6.9 26 261 10668 285 19 18.4 -4.9 | 244 10 9.1 4.5 27 250 10973 305 21 17.2 -12.0 | 288 8 8.0 -2.6 28 250 10980 295 25 22.7 -10.6 | 275 13 13.4 -1.2 29 239 11278 290 23 21.6 -7.9 | 263 12 12.4 1.5 30 200 12460 295 33 29.9 -13.9 | 282 21 20.7 -4.5 31 180 13106 300 35 30.3 -17.5 | 291 23 21.1 -8.1 32 172 13411 300 35 30.3 -17.5 | 291 23 21.1 -8.1 33 156 14021 270 25 25.0 -0.0 | 239 18 15.8 9.4 34 150 14250 275 31 30.9 -2.7 | 253 23 21.6 6.7 35 133 14935 285 27 26.1 -7.0 | 262 17 16.8 2.4 36 127 15240 265 27 26.9 2.4 | 236 21 17.7 11.8 37 114 15850 280 31 30.5 -5.4 | 259 22 21.3 4.0 38 108 16154 245 17 15.4 7.2 | 200 18 6.2 16.6 39 100 16630 285 13 12.6 -3.4 | 209 7 3.3 6.0 40 98 16764 285 13 12.6 -3.4 | 209 7 3.3 6.0 41 88 17374 255 17 16.4 4.4 | 207 16 7.2 13.8 42 83 17678 275 25 24.9 -2.2 | 245 17 15.7 7.2 43 83 17685 270 13 13.0 -0.0 | 202 10 3.8 9.4 44 79 17983 275 15 14.9 -1.3 | 215 10 5.7 8.1 45 75 18288 275 19 18.9 -1.7 | 231 12 9.7 7.7 46 71 18593 230 17 13.0 10.9 | 191 21 3.8 20.3 47 70 18650 275 17 16.9 -1.5 | 224 11 7.7 7.9 48 67 18898 280 17 16.7 -3.0 | 229 10 7.5 6.5 49 64 19202 275 13 13.0 -1.1 | 204 9 3.7 8.3 50 60 19507 225 13 9.2 9.2 | 180 19 -0.0 18.6 51 54 20117 320 1 0.6 -0.8 | 135 12 -8.6 8.6 52 52 20422 55 9 -7.4 -5.2 | 104 17 -16.6 4.2 53 50 20620 145 11 -6.3 9.0 | 140 24 -15.5 18.4 54 49 20726 150 15 -7.5 13.0 | 143 28 -16.7 22.4 55 47 21031 155 13 -5.5 11.8 | 145 26 -14.7 21.2 56 43 21641 140 19 -12.2 14.6 | 138 32 -21.4 24.0 57 40 21946 165 11 -2.8 10.6 | 149 23 -12.1 20.0 58 39 22250 165 9 -2.3 8.7 | 147 21 -11.6 18.1 59 37 22555 120 13 -11.3 6.5 | 128 26 -20.5 15.9 60 32 23470 90 1 -1.0 0.0 | 133 14 -10.2 9.4 61 30 23830 40 3 -1.9 -2.3 | 122 13 -11.2 7.1 62 26 24384 20 9 -3.1 -8.5 | 94 12 -12.3 0.9 63 22 24994 35 11 -6.3 -9.0 | 91 16 -15.5 0.4 Wind Parameters Mean winds (0-6000m): 285.5 at 17.6 knts Storm direction: 315.5 at 13.2 knts Shear (0-3000m) pos: 3.4 neg: 0.3 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 101.5 deg Storm rel helicity (0-3000m) pos: 142.6 neg: -7.1 tot: 135.5 m^2/s^2 ave: 45.2 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 5.1 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.02 Bulk Shear: 69.51 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 ------------------------------------------------------------------------------- 500 151 7 141 20| 8.7 0.0 8.7| 60.0 -6.9 53.1 106.2 0.50| 18.8 9.4 1000 205 9 163 19| 7.4 0.0 7.4|106.5 -6.9 99.5 99.5 0.66| 15.0 9.9 1500 233 11 179 16| 6.1 0.0 6.1|135.5 -6.9 128.5 85.7 0.70| 13.2 9.3 2000 251 13 193 14| 5.0 0.0 5.0|141.6 -6.9 134.7 67.3 0.72| 10.5 7.5 2500 260 14 202 13| 4.0 0.3 4.3|142.5 -6.9 135.5 54.2 0.70| 8.7 6.1 3000 264 15 209 12| 3.4 0.3 3.6|142.6 -7.1 135.5 45.2 0.67| 7.6 5.1 4000 272 16 216 11| 2.1 0.5 2.6|146.0 -9.7 136.3 34.1 0.56| 7.0 3.9 5000 279 16 225 10| 1.9 0.4 2.3|161.3 -9.7 151.5 30.3 0.57| 6.9 3.9 6000 286 18 239 9| 1.6 1.4 3.0|161.4 -52.8 108.6 18.1 0.31| 7.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250427.12.gif