UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 28 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 1005 66 23.4 22.0 92 1.4 22.4 0 0 296.1 299.2 295.4 344.5 16.79 1 1000 109 23.2 21.6 91 1.6 22.1 170 1 296.4 299.3 295.2 343.8 16.46 2 925 789 20.6 19.2 92 1.4 19.6 345 3 300.4 303.2 295.6 345.3 15.31 3 879 1230 18.2 18.2 100 0.0 18.2 350 6 302.3 305.1 296.0 347.0 15.13 4 850 1519 17.2 16.4 95 0.8 16.7 340 9 304.2 306.7 295.7 345.7 13.94 5 837 1651 16.8 15.5 92 1.3 15.9 335 8 305.1 307.6 295.5 345.0 13.35 6 700 3155 7.8 7.6 99 0.2 7.7 290 11 311.1 312.9 294.3 340.0 9.40 7 631 4003 2.6 1.4 92 1.2 2.0 295 14 314.6 315.9 293.2 335.7 6.73 8 606 4330 2.2 -0.1 85 2.3 1.0 296 14 317.8 319.0 293.7 337.8 6.28 9 574 4766 -0.9 -1.1 99 0.2 -1.0 306 19 319.1 320.3 294.0 338.8 6.16 10 547 5150 -2.1 -9.1 59 7.0 -5.2 299 22 322.1 322.8 292.7 333.7 3.51 11 536 5311 -3.3 -6.6 78 3.3 -4.8 291 24 322.5 323.4 293.5 336.8 4.36 12 525 5475 -3.9 -8.2 72 4.3 -5.8 284 25 323.7 324.5 293.5 336.7 3.93 13 519 5566 -4.3 -12.3 54 8.0 -7.6 280 26 324.3 324.9 292.8 334.0 2.87 14 514 5642 -3.7 -20.7 25 17.0 -9.4 277 27 325.9 326.2 292.0 330.9 1.43 15 511 5688 -3.7 -28.7 12 25.0 -10.6 275 28 326.5 326.6 291.5 329.0 0.70 16 502 5829 -4.7 -34.7 7 30.0 -11.8 270 29 326.9 327.0 291.3 328.4 0.40 17 500 5860 -4.9 -28.9 13 24.0 -11.4 270 29 327.1 327.2 291.6 329.6 0.70 18 463 6461 -8.9 -22.9 31 14.0 -13.2 273 29 329.4 329.6 292.8 334.0 1.31 19 416 7283 -14.7 -38.7 11 24.0 -19.1 267 31 332.1 332.2 292.6 333.4 0.32 20 408 7430 -14.7 -28.7 29 14.0 -18.2 266 31 334.0 334.2 293.6 337.2 0.88 21 400 7580 -15.5 -45.5 6 30.0 -20.1 265 31 334.8 334.9 293.2 335.5 0.16 22 399 7599 -15.5 -47.5 5 32.0 -20.3 265 31 335.1 335.1 293.2 335.6 0.13 23 386 7847 -17.7 -31.7 28 14.0 -20.8 265 31 335.4 335.5 293.8 338.0 0.70 24 383 7906 -16.9 -42.9 9 26.0 -21.2 265 31 337.2 337.2 293.9 338.1 0.23 25 317 9296 -26.9 -45.9 15 19.0 -29.2 265 33 342.0 342.1 295.0 342.8 0.20 26 300 9690 -30.9 -42.9 30 12.0 -32.3 265 33 341.8 341.9 295.0 343.0 0.29 27 285 10053 -33.7 -44.7 32 11.0 -34.8 263 32 342.9 342.9 295.3 343.9 0.25 28 258 10744 -39.1 -60.1 9 21.0 -40.2 261 31 344.8 344.8 295.5 345.0 0.05 29 250 10960 -40.9 -54.9 21 14.0 -41.7 265 33 345.3 345.3 295.7 345.6 0.09 30 229 11547 -46.1 -50.1 64 4.0 -46.3 274 40 346.1 346.1 295.9 346.8 0.17 31 215 11962 -49.3 -67.3 10 18.0 -49.7 280 43 347.4 347.4 296.1 347.5 0.02 32 200 12430 -52.7 -59.7 42 7.0 -52.9 280 35 349.3 349.3 296.5 349.6 0.06 33 196 12560 -53.9 -58.9 54 5.0 -54.1 281 36 349.4 349.4 296.5 349.7 0.07 34 194 12626 -54.3 -65.3 25 11.0 -54.5 281 36 349.8 349.8 296.6 349.9 0.03 35 193 12659 -54.7 -61.7 42 7.0 -54.9 281 36 349.7 349.7 296.6 349.9 0.05 36 170 13461 -60.1 -74.1 14 14.0 -60.3 286 41 353.6 353.7 297.4 353.7 0.01 37 161 13798 -63.1 -74.1 21 11.0 -63.2 289 43 354.1 354.1 297.5 354.2 0.01 38 156 13991 -64.5 -68.8 55 4.3 -64.6 290 44 355.0 355.0 297.7 355.1 0.02 39 150 14230 -66.5 -71.0 53 4.5 -66.5 285 36 355.5 355.5 297.8 355.6 0.02 40 140 14646 -69.9 -73.3 61 3.4 -69.9 279 36 356.6 356.6 298.0 356.7 0.01 41 132 14997 -71.1 -79.1 30 8.0 -71.1 274 35 360.6 360.6 298.8 360.6 0.01 42 109 16116 -77.5 -83.5 37 6.0 -77.5 275 39 368.8 368.8 300.4 368.8 0.00 43 100 16610 -78.7 -85.7 31 7.0 -78.7 260 25 375.7 375.7 301.5 375.7 0.00 44 82 17727 -82.5 -89.5 29 7.0 -82.5 250 27 389.8 389.8 303.8 389.8 0.00 45 77 18082 -78.9 -87.9 22 9.0 -78.9 261 25 404.4 404.4 305.8 404.4 0.00 46 72 18461 -80.9 -89.9 21 9.0 -80.9 292 20 408.0 408.0 306.3 408.0 0.00 47 70 18620 -79.7 -88.7 21 9.0 -79.7 310 15 413.9 413.9 307.0 413.9 0.00 48 66 18953 -78.9 -89.9 15 11.0 -78.9 319 15 422.6 422.6 308.0 422.6 0.00 49 61 19407 -72.3 -88.3 7 16.0 -72.4 256 3 447.0 447.0 310.6 447.0 0.00 50 50 20590 -66.5 -89.5 3 23.0 -66.8 345 13 486.8 486.8 314.0 486.8 0.00 51 46 21097 -64.5 -88.5 2 24.0 -64.8 349 12 503.3 503.4 315.2 503.4 0.00 52 43 21514 -59.7 -87.7 1 28.0 -60.4 15 11 525.0 525.0 316.6 525.0 0.00 53 32 23380 -55.3 -86.3 1 31.0 -56.8 84 12 583.0 583.0 319.8 583.1 0.01 TRP 82 17727 -82.5 -89.5 29 7.0 -82.5 250 27 389.8 389.8 303.8 389.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 583.29 mb = 4639.10 m = 15219.95 ft Wetbulb zero: 590.62 mb = 4536.26 m = 14882.55 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 87.08 % Est. max temperature: 31.12 C = 88.02 F Sfc-Lift cond lev (LCL): 985.03 mb = 240.52 m = 789.09 ft T: 22.70 C 700-500 lapse rate: 4.70 C/km ThetaE index: 11.30 C Layer 850.0- 606.0 mb Conv cond level (CCL): 898.77 mb = 1038.00 m = 3405.46 ft Mean mixing ratio: 15.79 g/kg Conv temperature: 28.74 C = 83.73 F Cap Strength: 1.07 C Lifted Index: -0.06 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.37 C Lifted Index @700 mb: -1.30 C Showalter Index: -0.35 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.30 C K Index: 38.30 Risk: > 80 % chance of thunderstorms Sweat Index: 243.80 Risk: None Energy Index: -3.12 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 220.42 J/kg Max Up Vert Vel: 21.00 m/s Conv Inhibition (B-): 34.12 J/kg Cap Strength: 1.05 C Lift Cond Lev (LCL): 934.70 mb = 698.01 m = 2290.02 ft Lev Free Conv (LFC): 779.70 mb = 2247.63 m = 7374.01 ft Equ Level (EL): 389.70 mb = 7775.85 m = 25511.00 ft B at Equ Level: 219.92 J/kg Max Parcel Lev (MPL): 199.70 mb = 12439.65 m = 40811.99 ft Wind level data Storm motion: 325 at 9 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 1005 66 0 0 -0.0 -0.0 | 145 9 -5.4 7.7 1 1000 109 170 1 -0.2 1.0 | 147 10 -5.6 8.7 2 978 305 0 0 -0.0 -0.0 | 145 9 -5.4 7.7 3 944 610 280 5 4.9 -0.9 | 176 7 -0.5 6.8 4 925 789 345 3 0.8 -2.9 | 136 7 -4.7 4.8 5 912 914 360 3 -0.0 -3.0 | 131 7 -5.4 4.7 6 850 1519 340 9 3.1 -8.5 | 72 2 -2.4 -0.8 7 849 1524 340 9 3.1 -8.5 | 72 2 -2.4 -0.8 8 790 2134 315 5 3.5 -3.5 | 156 5 -1.9 4.2 9 735 2743 295 9 8.2 -3.8 | 215 5 2.7 3.9 10 700 3155 290 11 10.3 -3.8 | 231 6 4.9 3.9 11 658 3658 295 15 13.6 -6.3 | 261 8 8.2 1.4 12 610 4267 295 13 11.8 -5.5 | 251 7 6.3 2.2 13 587 4572 300 19 16.5 -9.5 | 279 11 11.0 -1.8 14 565 4877 310 19 14.6 -12.2 | 296 10 9.1 -4.5 15 504 5791 270 29 29.0 -0.0 | 252 25 23.6 7.7 16 500 5860 270 29 29.0 -0.0 | 252 25 23.6 7.7 17 485 6096 275 29 28.9 -2.5 | 258 24 23.5 5.2 18 400 7580 265 31 30.9 2.7 | 248 27 25.4 10.4 19 300 9690 265 33 32.9 2.9 | 249 29 27.4 10.6 20 261 10668 260 31 30.5 5.4 | 242 28 25.1 13.1 21 250 10960 265 33 32.9 2.9 | 249 29 27.4 10.6 22 217 11887 280 44 43.3 -7.6 | 270 38 37.9 0.1 23 200 12430 280 35 34.5 -6.1 | 267 29 29.0 1.6 24 155 14021 290 44 41.3 -15.0 | 282 37 35.9 -7.3 25 150 14230 285 36 34.8 -9.3 | 273 29 29.3 -1.6 26 126 15240 270 35 35.0 -0.0 | 255 31 29.6 7.7 27 120 15545 260 38 37.4 6.6 | 246 35 32.0 14.3 28 103 16459 285 40 38.6 -10.4 | 275 33 33.2 -2.7 29 100 16610 260 25 24.6 4.3 | 238 23 19.2 12.0 30 97 16764 260 25 24.6 4.3 | 238 23 19.2 12.0 31 92 17069 245 25 22.7 10.6 | 223 25 17.2 18.3 32 83 17678 270 23 23.0 -0.0 | 246 19 17.6 7.7 33 82 17727 250 27 25.4 9.2 | 230 26 19.9 16.9 34 78 17983 245 27 24.5 11.4 | 225 27 19.0 19.1 35 74 18288 295 21 19.0 -8.9 | 275 14 13.6 -1.2 36 70 18593 290 19 17.9 -6.5 | 264 12 12.4 1.2 37 70 18620 310 15 11.5 -9.6 | 288 6 6.1 -1.9 38 67 18898 305 17 13.9 -9.8 | 284 9 8.5 -2.1 39 63 19202 10 9 -1.6 -8.9 | 81 7 -7.0 -1.2 40 60 19507 215 1 0.6 0.8 | 150 10 -4.9 8.5 41 51 20422 5 9 -0.8 -9.0 | 78 6 -6.2 -1.3 42 50 20590 345 13 3.4 -12.6 | 23 5 -2.1 -4.9 43 49 20726 315 9 6.4 -6.4 | 215 2 0.9 1.3 44 46 21031 355 13 1.1 -13.0 | 39 7 -4.3 -5.3 45 40 21641 40 9 -5.8 -6.9 | 94 11 -11.2 0.8 46 35 22250 120 13 -11.3 6.5 | 130 22 -16.7 14.2 47 33 22555 75 11 -10.6 -2.8 | 107 17 -16.1 4.9 48 29 23165 110 17 -16.0 5.8 | 122 25 -21.4 13.5 49 27 23470 105 19 -18.4 4.9 | 118 27 -23.8 12.6 50 26 23774 140 13 -8.4 10.0 | 142 22 -13.8 17.7 Wind Parameters Mean winds (0-6000m): 294.8 at 12.6 knts Storm direction: 324.8 at 9.4 knts Shear (0-3000m) pos: 0.8 neg: 2.3 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 83.8 deg Storm rel helicity (0-3000m) pos: 13.4 neg: -12.1 tot: 1.3 m^2/s^2 ave: 0.4 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 0.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 13.14 Bulk Shear: 16.78 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 ------------------------------------------------------------------------------- 500 280 1 151 9| 0.0 4.4 4.4| 5.3 -1.1 4.1 8.3 0.39| 6.6 2.6 1000 314 3 149 7| 2.4 2.2 4.6| 5.3 -8.9 -3.6 -3.6 -0.19| 6.3 -1.2 1500 333 4 139 5| 1.6 2.9 4.5| 5.3 -12.1 -6.9 -4.6 -0.31| 5.9 -1.8 2000 332 5 137 5| 1.2 1.9 3.1| 7.2 -12.1 -5.0 -2.5 -0.10| 5.5 -0.6 2500 326 5 144 4| 1.0 2.1 3.1| 10.3 -12.1 -1.8 -0.7 0.03| 5.1 0.2 3000 317 6 158 4| 0.8 2.3 3.1| 13.4 -12.1 1.3 0.4 0.12| 4.8 0.6 4000 306 8 195 3| 0.6 1.7 2.4| 20.7 -13.8 6.9 1.7 0.19| 4.3 0.8 5000 304 10 229 3| 1.1 1.4 2.5| 38.9 -21.1 17.9 3.6 0.24| 4.9 1.1 6000 295 13 248 6| 1.0 2.2 3.2| 52.1 -74.6 -22.5 -3.8 0.04| 5.6 0.2 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250428.00.gif