UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 26 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 1008 64 20.8 19.1 90 1.7 19.6 105 1 293.3 295.8 292.5 332.9 13.93 1 1000 133 20.2 18.8 92 1.4 19.2 85 5 293.4 295.8 292.4 332.6 13.78 2 936 702 16.8 16.8 100 0.0 16.8 104 19 295.5 297.8 292.4 332.7 12.96 3 925 803 18.2 17.8 98 0.4 17.9 120 15 297.9 300.5 294.0 338.5 14.00 4 883 1202 17.8 16.1 90 1.7 16.7 191 9 301.5 303.9 294.4 340.2 13.15 5 850 1528 15.4 15.0 97 0.4 15.1 195 11 302.3 304.6 294.3 339.9 12.72 6 794 2104 12.0 11.9 99 0.1 11.9 220 15 304.6 306.7 293.7 337.7 11.10 7 783 2222 13.0 9.6 80 3.4 10.9 226 16 306.9 308.7 293.3 336.0 9.63 8 760 2472 11.2 10.6 96 0.6 10.8 241 17 307.6 309.6 294.3 339.7 10.63 9 737 2729 10.8 7.0 77 3.8 8.5 246 18 309.8 311.5 293.3 336.1 8.56 10 732 2786 11.4 5.4 67 6.0 7.9 247 18 311.1 312.6 293.0 334.9 7.71 11 701 3147 8.6 5.4 80 3.2 6.7 255 19 311.9 313.4 293.5 336.8 8.05 12 700 3159 8.6 5.3 80 3.3 6.6 255 19 312.0 313.5 293.5 336.8 8.01 13 692 3254 9.0 -3.0 43 12.0 2.9 255 19 313.5 314.3 291.0 327.5 4.43 14 667 3557 6.6 -1.4 57 8.0 2.4 271 20 314.1 315.1 291.9 330.5 5.18 15 649 3781 6.4 -14.6 21 21.0 -1.9 289 19 316.3 316.7 289.6 322.7 1.90 16 647 3807 6.4 -19.6 14 26.0 -2.9 291 18 316.6 316.9 289.0 320.9 1.25 17 579 4704 -1.3 -7.3 64 6.0 -4.0 307 22 317.8 318.6 291.7 330.2 3.82 18 568 4857 -1.7 -24.7 15 23.0 -8.5 309 24 319.1 319.3 289.5 322.3 0.91 19 548 5141 -4.1 -20.1 28 16.0 -9.3 294 23 319.6 319.8 290.1 324.4 1.41 20 522 5523 -5.3 -41.3 4 36.0 -12.3 265 25 322.6 322.6 289.8 323.3 0.20 21 500 5860 -7.1 -34.1 10 27.0 -13.2 270 29 324.4 324.5 290.6 326.0 0.43 22 486 6081 -8.1 -24.1 26 16.0 -12.8 275 29 325.8 326.0 291.6 329.8 1.12 23 457 6559 -8.9 -39.9 6 31.0 -15.1 285 28 330.6 330.6 292.2 331.6 0.26 24 448 6713 -9.7 -25.7 26 16.0 -14.3 280 26 331.5 331.7 293.1 335.3 1.05 25 425 7119 -12.3 -25.3 33 13.0 -16.0 270 24 333.2 333.4 293.7 337.3 1.15 26 400 7580 -15.9 -30.9 26 15.0 -19.4 270 29 334.3 334.5 293.6 337.0 0.73 27 378 8003 -18.1 -51.1 4 33.0 -22.3 278 33 336.9 336.9 293.6 337.2 0.09 28 374 8082 -17.7 -56.7 2 39.0 -22.2 275 32 338.4 338.4 294.0 338.6 0.05 29 360 8366 -19.3 -46.3 7 27.0 -23.2 266 30 340.0 340.0 294.5 340.7 0.17 30 300 9690 -29.7 -58.7 4 29.0 -31.9 290 25 343.5 343.5 295.2 343.7 0.05 31 260 10691 -38.1 -62.1 6 24.0 -39.3 276 27 345.5 345.5 295.7 345.7 0.03 32 250 10960 -40.1 -64.1 6 24.0 -41.1 285 27 346.4 346.5 295.8 346.6 0.03 33 219 11854 -47.1 -60.1 21 13.0 -47.6 271 25 349.0 349.0 296.5 349.2 0.05 34 200 12450 -52.1 -69.1 11 17.0 -52.4 285 31 350.3 350.3 296.7 350.3 0.02 35 196 12580 -53.3 -69.3 13 16.0 -53.6 285 31 350.4 350.4 296.7 350.5 0.02 36 162 13779 -61.7 -77.7 10 16.0 -61.9 279 29 355.9 355.9 297.9 355.9 0.01 37 150 14250 -65.7 -77.7 17 12.0 -65.8 285 27 356.9 356.9 298.1 356.9 0.01 38 139 14708 -69.3 -76.3 35 7.0 -69.4 278 23 358.4 358.4 298.4 358.5 0.01 39 126 15291 -71.9 -76.9 47 5.0 -71.9 287 18 363.9 363.9 299.5 364.0 0.01 40 100 16630 -78.5 -84.5 37 6.0 -78.5 265 17 376.1 376.1 301.6 376.1 0.00 41 90 17227 -81.9 -86.7 44 4.8 -81.9 245 15 380.8 380.8 302.3 380.8 0.00 42 72 18481 -81.7 -89.7 24 8.0 -81.7 309 14 406.3 406.3 306.0 406.3 0.00 43 70 18640 -79.3 -89.3 18 10.0 -79.3 305 15 414.7 414.7 307.1 414.7 0.00 44 65 19067 -75.1 -88.1 11 13.0 -75.2 318 13 432.8 432.8 309.1 432.8 0.00 45 63 19248 -76.9 -89.9 11 13.0 -76.9 350 11 432.7 432.7 309.1 432.7 0.00 46 55 20042 -71.3 -90.3 4 19.0 -71.4 70 9 462.7 462.7 312.0 462.7 0.00 47 51 20498 -63.9 -88.9 2 25.0 -64.3 63 12 490.1 490.1 314.2 490.1 0.00 48 50 20620 -64.1 -89.1 2 25.0 -64.4 60 17 492.4 492.4 314.4 492.4 0.00 49 47 20997 -66.3 -89.3 3 23.0 -66.6 57 16 495.9 495.9 314.7 496.0 0.00 50 45 21263 -61.7 -89.7 1 28.0 -62.2 100 14 513.3 513.3 315.9 513.3 0.00 51 41 21843 -59.5 -88.5 1 29.0 -60.2 59 10 532.7 532.7 317.1 532.7 0.00 52 39 22154 -61.9 -88.9 2 27.0 -62.5 57 14 534.3 534.3 317.2 534.3 0.00 53 31 23590 -57.3 -87.3 1 30.0 -58.5 117 28 582.9 582.9 319.8 583.0 0.01 54 30 23800 -52.1 -85.1 1 33.0 -54.2 140 25 602.6 602.6 320.7 602.7 0.01 55 29 24020 -51.5 -84.5 1 33.0 -53.8 140 27 610.1 610.1 321.0 610.2 0.01 56 27 24484 -53.1 -85.1 1 32.0 -55.2 150 8 618.2 618.2 321.4 618.3 0.01 57 20 26440 -49.3 -83.3 1 34.0 -53.0 100 33 685.3 685.3 324.0 685.4 0.02 58 19 26777 -48.7 -83.7 1 35.0 -52.7 84 25 697.3 697.3 324.3 697.4 0.02 TRP 90 17227 -81.9 -86.7 44 4.8 -81.9 245 15 380.8 380.8 302.3 380.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5727.00 m Freezing level: 590.48 mb = 4552.47 m = 14935.74 ft Wetbulb zero: 656.94 mb = 3681.56 m = 12078.47 ft Precipitable water: 1.67 inches Sfc-500 mean rel hum: 62.30 % Est. max temperature: 29.63 C = 85.33 F Sfc-Lift cond lev (LCL): 983.42 mb = 276.77 m = 908.01 ft T: 19.34 C 700-500 lapse rate: 5.81 C/km ThetaE index: 4.81 C Layer 737.0- 701.0 mb Conv cond level (CCL): 953.25 mb = 544.69 m = 1787.03 ft Mean mixing ratio: 13.50 g/kg Conv temperature: 22.42 C = 72.36 F Cap Strength: 3.98 C Lifted Index: 2.20 C Risk: None Lifted Index @300 mb: 7.96 C Lifted Index @700 mb: 2.84 C Showalter Index: -0.26 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.10 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 231.00 Risk: None Energy Index: -2.67 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.95 J/kg Max Up Vert Vel: 6.78 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 3.92 C Lift Cond Lev (LCL): 947.38 mb = 597.78 m = 1961.18 ft Lev Free Conv (LFC): 942.38 mb = 643.28 m = 2110.46 ft Equ Level (EL): 932.38 mb = 734.89 m = 2411.02 ft B at Equ Level: 21.89 J/kg Max Parcel Lev (MPL): 892.38 mb = 1111.50 m = 3646.61 ft Wind level data Storm motion: 296 at 14 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 1008 64 105 1 -1.0 0.3 | 115 15 -13.4 6.3 1 1000 133 85 5 -5.0 -0.4 | 108 18 -17.5 5.6 2 980 305 80 19 -18.7 -3.3 | 95 31 -31.2 2.7 3 946 610 90 23 -23.0 0.0 | 100 36 -35.5 6.0 4 925 803 120 15 -13.0 7.5 | 118 29 -25.5 13.5 5 913 914 130 13 -10.0 8.4 | 123 27 -22.4 14.4 6 881 1219 195 9 2.3 8.7 | 145 18 -10.1 14.7 7 850 1524 195 11 2.8 10.6 | 150 19 -9.6 16.6 8 850 1528 195 11 2.8 10.6 | 150 19 -9.6 16.6 9 820 1829 220 13 8.4 10.0 | 166 17 -4.1 16.0 10 791 2134 220 15 9.6 11.5 | 171 18 -2.8 17.5 11 763 2438 240 17 14.7 8.5 | 189 15 2.2 14.5 12 700 3159 255 19 18.4 4.9 | 208 12 5.9 10.9 13 683 3353 255 19 18.4 4.9 | 208 12 5.9 10.9 14 658 3658 280 21 20.7 -3.6 | 254 9 8.2 2.4 15 633 3962 305 15 12.3 -8.6 | 4 3 -0.2 -2.6 16 587 4572 305 21 17.2 -12.0 | 322 8 4.7 -6.0 17 565 4877 310 25 19.2 -16.1 | 326 12 6.7 -10.0 18 544 5182 290 23 21.6 -7.9 | 281 9 9.1 -1.8 19 524 5486 265 25 24.9 2.2 | 237 15 12.4 8.2 20 504 5791 260 29 28.6 5.0 | 235 20 16.1 11.1 21 500 5860 270 29 29.0 -0.0 | 250 18 16.5 6.0 22 485 6096 275 29 28.9 -2.5 | 258 17 16.4 3.5 23 466 6401 290 29 27.3 -9.9 | 285 15 14.8 -3.9 24 431 7010 270 23 23.0 -0.0 | 240 12 10.5 6.0 25 400 7580 270 29 29.0 -0.0 | 250 18 16.5 6.0 26 382 7925 280 33 32.5 -5.7 | 269 20 20.0 0.3 27 351 8534 260 29 28.6 5.0 | 235 20 16.1 11.1 28 337 8839 260 29 28.6 5.0 | 235 20 16.1 11.1 29 310 9449 290 25 23.5 -8.6 | 283 11 11.0 -2.5 30 300 9690 290 25 23.5 -8.6 | 283 11 11.0 -2.5 31 261 10668 275 27 26.9 -2.4 | 256 15 14.4 3.7 32 250 10960 285 27 26.1 -7.0 | 274 14 13.6 -1.0 33 238 11278 285 27 26.1 -7.0 | 274 14 13.6 -1.0 34 228 11582 265 23 22.9 2.0 | 232 13 10.4 8.0 35 200 12450 285 31 29.9 -8.0 | 277 18 17.5 -2.0 36 189 12802 285 31 29.9 -8.0 | 277 18 17.5 -2.0 37 180 13106 270 31 31.0 -0.0 | 252 19 18.5 6.0 38 150 14250 285 27 26.1 -7.0 | 274 14 13.6 -1.0 39 133 14935 275 21 20.9 -1.8 | 244 9 8.4 4.2 40 127 15240 290 19 17.9 -6.5 | 275 5 5.4 -0.5 41 120 15545 265 13 13.0 1.1 | 184 7 0.5 7.2 42 103 16459 285 25 24.1 -6.5 | 272 12 11.7 -0.4 43 100 16630 265 17 16.9 1.5 | 211 9 4.5 7.5 44 98 16764 265 17 16.9 1.5 | 211 9 4.5 7.5 45 93 17069 225 11 7.8 7.8 | 161 15 -4.7 13.8 46 90 17227 245 15 13.6 6.3 | 185 12 1.1 12.4 47 88 17374 230 15 11.5 9.6 | 176 16 -1.0 15.7 48 83 17678 265 13 13.0 1.1 | 184 7 0.5 7.2 49 79 17983 290 11 10.3 -3.8 | 137 3 -2.1 2.3 50 75 18288 290 11 10.3 -3.8 | 137 3 -2.1 2.3 51 71 18593 320 15 9.6 -11.5 | 27 6 -2.8 -5.5 52 70 18640 305 15 12.3 -8.6 | 4 3 -0.2 -2.6 53 67 18898 300 15 13.0 -7.5 | 341 2 0.5 -1.5 54 64 19202 330 11 5.5 -9.5 | 63 8 -7.0 -3.5 55 60 19507 75 13 -12.6 -3.4 | 96 25 -25.0 2.7 56 57 19812 90 9 -9.0 0.0 | 106 22 -21.5 6.0 57 54 20117 65 9 -8.2 -3.8 | 96 21 -20.6 2.2 58 52 20422 65 9 -8.2 -3.8 | 96 21 -20.6 2.2 59 50 20620 60 17 -14.7 -8.5 | 85 27 -27.2 -2.5 60 49 20726 30 9 -4.5 -7.8 | 84 17 -17.0 -1.8 61 47 21031 60 17 -14.7 -8.5 | 85 27 -27.2 -2.5 62 45 21336 110 13 -12.2 4.4 | 113 27 -24.7 10.5 63 40 21946 50 9 -6.9 -5.8 | 91 19 -19.4 0.2 64 37 22555 70 23 -21.6 -7.9 | 87 34 -34.1 -1.8 65 33 23165 80 25 -24.6 -4.3 | 93 37 -37.1 1.7 66 32 23470 125 25 -20.5 14.3 | 122 39 -33.0 20.4 67 30 23774 105 33 -31.9 8.5 | 108 47 -44.3 14.6 68 30 23800 140 25 -16.1 19.2 | 131 38 -28.5 25.2 69 29 24079 140 27 -17.4 20.7 | 132 40 -29.8 26.7 70 27 24384 155 7 -3.0 6.3 | 129 20 -15.4 12.4 71 22 25908 80 25 -24.6 -4.3 | 93 37 -37.1 1.7 72 20 26440 100 33 -32.5 5.7 | 105 46 -45.0 11.8 73 20 26518 80 23 -22.7 -4.0 | 93 35 -35.1 2.0 74 16 27127 105 35 -33.8 9.1 | 108 49 -46.3 15.1 Wind Parameters Mean winds (0-6000m): 265.8 at 18.5 knts Storm direction: 295.8 at 13.9 knts Shear (0-3000m) pos: 7.0 neg: 3.7 tot: 10.7 10-3/s Storm rel Dir Shear (0-3000m): 90.3 deg Storm rel helicity (0-3000m) pos: 257.8 neg: -40.9 tot: 217.0 m^2/s^2 ave: 72.3 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 12.1 stream: 5.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.15 Bulk Shear: 150.65 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 84 15 99 28| 0.0 22.1 22.1| 16.2 -40.9 -24.6 -49.3 -0.24| 23.1 -5.5 1000 99 16 107 29| 11.3 11.0 22.3|165.8 -40.9 125.0 125.0 0.30| 23.4 7.1 1500 116 14 116 28| 9.7 7.4 17.0|194.3 -40.9 153.4 102.3 0.36| 18.4 6.6 2000 141 14 128 27| 8.7 5.5 14.2|220.1 -40.9 179.2 89.6 0.41| 15.5 6.3 2500 168 14 142 25| 8.0 4.4 12.4|246.4 -40.9 205.6 82.2 0.46| 13.8 6.3 3000 194 15 156 22| 7.0 3.7 10.7|257.8 -40.9 217.0 72.3 0.48| 12.1 5.8 4000 231 16 179 16| 4.7 2.8 7.5|289.0 -41.4 247.6 61.9 0.54| 11.8 6.3 5000 262 17 206 9| 3.8 1.4 5.2|290.9 -58.3 232.7 46.5 0.41| 10.9 4.4 6000 266 18 219 9| 3.5 1.2 4.7|322.4 -95.8 226.6 37.8 0.28| 11.2 3.2 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250426.00.gif