UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 17 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 64 24.0 20.1 79 3.9 21.3 0 0 297.1 299.8 294.4 340.3 14.96 1 1000 73 24.0 20.2 79 3.8 21.3 170 3 297.1 299.9 294.5 340.7 15.07 2 925 749 17.8 17.8 100 0.0 17.8 205 11 297.5 300.0 293.9 338.0 14.00 3 918 814 17.2 16.6 96 0.6 16.8 215 11 297.5 299.9 293.2 335.4 13.05 4 906 927 17.6 12.7 73 4.9 14.5 229 11 299.1 300.9 291.5 329.0 10.24 5 902 965 19.2 -2.8 22 22.0 8.3 227 12 301.1 301.7 285.9 311.6 3.44 6 899 994 19.6 2.6 32 17.0 10.3 226 13 301.8 302.7 287.8 317.3 5.13 7 895 1032 19.0 14.7 76 4.3 16.1 224 14 301.6 303.7 293.4 336.4 11.83 8 889 1090 18.6 15.7 83 2.9 16.7 221 16 301.7 304.1 294.1 339.2 12.72 9 882 1158 18.4 16.0 86 2.4 16.8 218 17 302.2 304.6 294.5 340.8 13.08 10 861 1366 20.6 6.6 40 14.0 12.2 229 20 306.6 307.9 291.2 328.2 7.11 11 859 1386 20.6 8.6 46 12.0 13.2 231 20 306.8 308.3 292.2 331.6 8.19 12 850 1477 19.8 13.8 68 6.0 15.8 240 21 306.9 309.1 294.8 342.3 11.75 13 816 1828 17.8 16.0 89 1.8 16.5 265 21 308.4 311.0 296.9 351.3 14.16 14 776 2258 16.2 11.2 72 5.0 12.9 266 19 311.1 313.2 295.4 344.3 10.83 15 700 3129 10.6 6.8 77 3.8 8.3 245 21 314.2 315.9 294.8 341.9 8.90 16 687 3285 9.4 6.1 80 3.3 7.4 251 23 314.6 316.2 294.7 341.5 8.63 17 659 3629 8.4 -3.6 43 12.0 2.3 264 28 317.2 318.1 292.1 331.5 4.45 18 613 4224 4.8 -2.2 60 7.0 1.1 266 34 319.7 320.7 293.6 336.9 5.32 19 603 4358 4.4 -7.6 41 12.0 -1.3 264 35 320.8 321.5 292.4 332.5 3.58 20 582 4645 2.6 -1.1 77 3.7 0.6 259 38 321.9 323.1 294.7 341.6 6.08 21 565 4885 2.2 -7.8 48 10.0 -2.5 257 39 324.2 324.9 293.5 336.7 3.76 22 531 5383 -1.7 -5.5 75 3.8 -3.6 251 40 325.3 326.3 294.6 341.2 4.79 23 511 5688 -3.3 -17.3 33 14.0 -8.5 253 35 327.0 327.4 292.7 333.6 1.93 24 510 5704 -3.5 -10.5 58 7.0 -6.6 253 35 326.9 327.6 293.9 338.3 3.37 25 504 5797 -4.1 -11.1 58 7.0 -7.1 255 33 327.3 327.9 293.9 338.3 3.25 26 500 5860 -4.3 -19.3 30 15.0 -9.6 260 36 327.8 328.1 292.7 333.6 1.66 27 490 6019 -5.7 -11.7 63 6.0 -8.2 260 36 328.0 328.6 294.0 338.8 3.19 28 472 6311 -7.3 -10.8 76 3.5 -8.8 262 38 329.5 330.2 294.7 341.6 3.56 29 445 6768 -10.9 -12.1 91 1.2 -11.4 267 42 330.6 331.3 294.8 342.2 3.40 30 423 7156 -13.3 -17.4 71 4.1 -14.7 269 44 332.3 332.8 294.4 340.4 2.31 31 412 7356 -14.5 -19.3 67 4.8 -16.1 267 44 333.3 333.7 294.4 340.4 2.02 32 410 7393 -14.7 -17.2 81 2.5 -15.6 267 44 333.5 334.0 294.8 342.0 2.42 33 403 7523 -14.3 -21.3 55 7.0 -16.5 266 44 335.7 336.0 294.8 341.9 1.73 34 400 7580 -14.7 -21.7 55 7.0 -16.9 265 44 335.9 336.2 294.8 341.9 1.69 35 373 8107 -18.5 -21.8 75 3.3 -19.5 263 48 337.6 338.0 295.3 344.1 1.79 36 351 8559 -21.9 -25.5 73 3.6 -22.8 262 51 339.0 339.2 295.3 344.0 1.37 37 343 8729 -23.3 -33.3 39 10.0 -25.2 261 53 339.3 339.4 294.8 341.9 0.67 38 339 8815 -23.7 -28.7 63 5.0 -24.8 261 53 339.9 340.1 295.3 343.8 1.06 39 324 9145 -25.7 -28.8 75 3.1 -26.4 260 56 341.6 341.8 295.7 345.7 1.09 40 312 9419 -27.9 -30.0 82 2.1 -28.3 258 55 342.2 342.4 295.7 346.0 1.01 41 309 9488 -28.5 -33.5 62 5.0 -29.4 257 55 342.3 342.5 295.6 345.1 0.73 42 300 9700 -30.1 -33.3 74 3.2 -30.7 255 54 343.0 343.1 295.7 345.9 0.77 43 298 9747 -30.5 -32.8 80 2.3 -30.9 256 54 343.0 343.2 295.8 346.1 0.81 44 273 10359 -36.1 -44.1 44 8.0 -36.9 265 57 343.6 343.7 295.4 344.8 0.28 45 250 10960 -41.3 -45.6 63 4.3 -41.6 275 60 344.7 344.7 295.7 345.7 0.26 46 225 11669 -46.7 -49.6 72 2.9 -46.9 264 56 346.9 347.0 296.1 347.7 0.18 47 218 11878 -48.5 -52.7 62 4.2 -48.7 260 56 347.3 347.3 296.1 347.9 0.13 48 208 12186 -51.3 -52.1 91 0.8 -51.3 263 58 347.6 347.6 296.3 348.2 0.15 49 201 12408 -53.3 -57.4 61 4.1 -53.4 265 60 347.9 347.9 296.3 348.2 0.08 50 200 12440 -53.7 -56.3 73 2.6 -53.8 265 60 347.7 347.7 296.2 348.1 0.09 51 199 12472 -54.1 -56.3 77 2.2 -54.2 266 60 347.6 347.6 296.2 348.0 0.09 52 195 12601 -55.3 -57.8 74 2.5 -55.4 268 61 347.7 347.7 296.2 348.0 0.08 53 186 12900 -57.1 -62.1 53 5.0 -57.2 274 64 349.5 349.5 296.5 349.7 0.05 54 173 13352 -60.9 -64.0 67 3.1 -61.0 283 67 350.6 350.6 296.8 350.7 0.04 55 170 13460 -61.6 -67.3 47 5.6 -61.7 285 68 351.1 351.1 296.9 351.2 0.03 56 165 13643 -62.9 -72.9 25 10.0 -63.0 285 68 352.0 352.0 297.1 352.0 0.01 57 160 13833 -61.1 -77.1 10 16.0 -61.3 283 62 358.1 358.1 298.3 358.2 0.01 58 150 14230 -63.1 -81.1 7 18.0 -63.2 275 42 361.4 361.4 299.0 361.4 0.00 59 110 16081 -76.7 -86.7 19 10.0 -76.7 271 39 369.3 369.3 300.4 369.3 0.00 60 100 16630 -77.5 -88.5 15 11.0 -77.5 295 31 378.0 378.0 301.9 378.0 0.00 61 95 16923 -79.1 -88.1 21 9.0 -79.1 299 32 380.4 380.4 302.3 380.4 0.00 62 89 17295 -77.1 -88.1 16 11.0 -77.1 308 33 391.6 391.6 304.0 391.6 0.00 63 80 17900 -81.9 -89.9 24 8.0 -81.9 295 16 393.8 393.8 304.3 393.8 0.00 64 70 18650 -80.5 -89.5 21 9.0 -80.5 170 13 412.2 412.2 306.8 412.2 0.00 65 63 19249 -77.5 -89.5 13 12.0 -77.6 213 13 431.4 431.4 309.0 431.4 0.00 TRP WND 170 13460 -61.6 -67.3 47 5.6 -61.7 285 68 351.1 351.1 296.9 351.2 0.03 Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 545.82 mb = 5166.11 m = 16948.97 ft Wetbulb zero: 608.28 mb = 4286.53 m = 14063.26 ft Precipitable water: 1.99 inches Sfc-500 mean rel hum: 68.28 % Est. max temperature: 33.82 C = 92.87 F Sfc-Lift cond lev (LCL): 945.67 mb = 557.34 m = 1828.53 ft T: 19.56 C 700-500 lapse rate: 5.46 C/km ThetaE index: 29.10 C Layer 925.0- 899.0 mb Conv cond level (CCL): 919.75 mb = 797.78 m = 2617.37 ft Mean mixing ratio: 13.66 g/kg Conv temperature: 24.47 C = 76.05 F Cap Strength: 5.76 C Lifted Index: 3.65 C Risk: None Lifted Index @300 mb: 5.62 C Lifted Index @700 mb: 3.78 C Showalter Index: 1.54 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 18.10 C K Index: 34.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 311.35 Risk: Showers and thunderstorms possible Energy Index: -1.61 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.86 J/kg Max Up Vert Vel: 3.70 m/s Conv Inhibition (B-): 7707.51 J/kg Cap Strength: 5.75 C Lift Cond Lev (LCL): 918.94 mb = 805.30 m = 2642.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 19 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 64 0 0 -0.0 -0.0 | 104 19 -18.0 4.6 1 1000 73 170 3 -0.5 3.0 | 112 20 -18.5 7.6 2 974 305 180 3 0.0 3.0 | 113 20 -18.0 7.6 3 940 610 210 5 2.5 4.3 | 120 18 -15.5 9.0 4 925 749 205 11 4.6 10.0 | 138 20 -13.4 14.6 5 907 914 230 11 8.4 7.1 | 141 15 -9.6 11.7 6 876 1219 215 19 10.9 15.6 | 161 21 -7.1 20.2 7 850 1477 240 21 18.2 10.5 | 181 15 0.2 15.1 8 816 1829 265 21 20.9 1.8 | 204 7 2.9 6.5 9 787 2134 270 19 19.0 -0.0 | 192 5 1.0 4.6 10 707 3048 240 19 16.5 9.5 | 174 14 -1.6 14.1 11 700 3129 245 21 19.0 8.9 | 184 14 1.0 13.5 12 656 3658 265 29 28.9 2.5 | 237 13 10.9 7.2 13 632 3962 270 31 31.0 -0.0 | 250 14 13.0 4.6 14 586 4572 260 38 37.4 6.6 | 240 22 19.4 11.2 15 524 5486 250 40 37.6 13.7 | 227 27 19.6 18.3 16 504 5791 255 33 31.9 8.5 | 226 19 13.9 13.2 17 500 5860 260 36 35.5 6.3 | 238 21 17.4 10.9 18 485 6096 260 36 35.5 6.3 | 238 21 17.4 10.9 19 431 7010 270 44 44.0 -0.0 | 260 26 26.0 4.6 20 400 7580 265 44 43.8 3.8 | 252 27 25.8 8.5 21 324 9144 260 56 55.1 9.7 | 249 40 37.1 14.4 22 300 9700 255 54 52.2 14.0 | 241 39 34.2 18.6 23 250 10960 275 60 59.8 -5.2 | 271 42 41.8 -0.6 24 250 10973 275 56 55.8 -4.9 | 270 38 37.8 -0.2 25 217 11887 260 56 55.1 9.7 | 249 40 37.1 14.4 26 200 12440 265 60 59.8 5.2 | 257 43 41.8 9.9 27 170 13460 285 68 65.7 -17.6 | 285 49 47.7 -13.0 28 163 13716 285 68 65.7 -17.6 | 285 49 47.7 -13.0 29 150 14230 275 42 41.8 -3.7 | 268 24 23.8 1.0 30 148 14326 275 42 41.8 -3.7 | 268 24 23.8 1.0 31 133 14935 265 42 41.8 3.7 | 251 25 23.8 8.3 32 120 15545 280 36 35.5 -6.3 | 275 18 17.4 -1.6 33 108 16154 270 40 40.0 -0.0 | 258 22 22.0 4.6 34 100 16630 295 31 28.1 -13.1 | 310 13 10.1 -8.5 35 98 16764 295 31 28.1 -13.1 | 310 13 10.1 -8.5 36 88 17374 310 33 25.3 -21.2 | 336 18 7.3 -16.6 37 83 17678 290 17 16.0 -5.8 | 60 2 -2.0 -1.2 38 75 18288 305 15 12.3 -8.6 | 55 7 -5.7 -4.0 39 71 18593 295 13 11.8 -5.5 | 82 6 -6.2 -0.9 40 70 18650 170 13 -2.3 12.8 | 131 27 -20.3 17.4 41 67 18898 170 13 -2.3 12.8 | 131 27 -20.3 17.4 42 63 19202 215 13 7.5 10.6 | 145 19 -10.5 15.3 43 59 19507 260 13 12.8 2.3 | 143 9 -5.2 6.9 Wind Parameters Mean winds (0-6000m): 254.5 at 24.8 knts Storm direction: 284.5 at 18.6 knts Shear (0-3000m) pos: 3.1 neg: 2.3 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 71.3 deg Storm rel helicity (0-3000m) pos: 130.1 neg: -8.2 tot: 121.9 m^2/s^2 ave: 40.6 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.09 Bulk Shear: 74.28 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 ------------------------------------------------------------------------------- 500 187 3 115 19| 0.0 4.8 4.8| 24.7 0.0 24.7 49.4 0.86| 5.9 5.0 1000 211 7 126 18| 5.4 2.4 7.8| 74.3 0.0 74.3 74.3 0.79| 10.0 8.0 1500 221 11 140 17| 6.1 1.6 7.7|121.3 0.0 121.3 80.9 0.75| 11.7 8.7 2000 236 13 150 14| 4.6 1.2 5.8|129.6 -1.2 128.4 64.2 0.65| 11.0 7.1 2500 244 15 156 12| 3.7 1.8 5.4|129.6 -3.8 125.8 50.3 0.55| 9.8 5.4 3000 245 15 160 12| 3.1 2.3 5.3|130.1 -8.2 121.9 40.6 0.47| 9.0 4.3 4000 251 18 176 11| 4.5 1.7 6.2|188.9 -10.0 178.9 44.7 0.58| 9.2 5.3 5000 255 22 197 11| 3.6 2.4 6.0|188.9 -42.7 146.2 29.2 0.43| 8.5 3.7 6000 254 25 208 13| 3.2 2.1 5.3|210.1 -60.6 149.6 24.9 0.38| 8.3 3.2 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250417.12.gif