UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 30 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 67 24.0 20.8 82 3.2 21.8 120 1 296.8 299.6 294.7 341.8 15.58 1 1000 102 23.6 20.6 83 3.0 21.5 90 5 296.8 299.5 294.7 341.4 15.45 2 925 782 19.8 18.0 89 1.8 18.6 200 3 299.6 302.1 294.6 341.0 14.18 3 922 810 19.6 17.9 90 1.7 18.4 205 3 299.6 302.2 294.6 340.9 14.13 4 861 1400 17.8 10.8 64 7.0 13.4 282 6 303.7 305.4 292.3 332.0 9.49 5 850 1510 17.2 12.2 72 5.0 14.0 295 7 304.2 306.1 293.2 335.7 10.56 6 779 2250 12.6 11.4 92 1.2 11.9 277 13 306.9 309.0 294.3 339.9 10.94 7 700 3146 10.2 3.2 62 7.0 6.2 245 15 313.8 315.1 293.2 335.4 6.90 8 687 3302 10.2 1.2 54 9.0 5.2 251 14 315.5 316.6 293.0 334.7 6.09 9 664 3585 8.6 0.6 57 8.0 4.2 262 13 316.8 317.9 293.3 335.9 6.03 10 603 4374 2.8 -1.8 72 4.6 0.4 253 18 318.9 320.0 293.5 336.8 5.57 11 595 4482 3.0 -10.0 38 13.0 -2.7 256 20 320.4 320.9 291.8 330.3 3.00 12 582 4661 2.0 -15.0 27 17.0 -4.7 261 21 321.2 321.6 291.2 328.1 2.05 13 574 4772 1.2 -2.5 76 3.7 -0.7 263 20 321.6 322.6 294.2 339.6 5.55 14 568 4857 0.4 -2.8 79 3.2 -1.3 264 19 321.6 322.7 294.1 339.4 5.49 15 559 4985 0.0 -6.0 64 6.0 -2.9 262 20 322.6 323.4 293.6 336.9 4.37 16 523 5515 -3.5 -6.4 80 2.9 -4.9 244 23 324.6 325.5 294.2 339.6 4.53 17 517 5606 -4.1 -5.4 91 1.3 -4.7 241 24 324.9 325.9 294.6 341.3 4.95 18 506 5776 -4.9 -7.6 81 2.7 -6.2 236 25 326.0 326.8 294.4 340.2 4.27 19 500 5870 -4.7 -11.7 58 7.0 -7.7 240 27 327.3 327.9 293.8 337.9 3.12 20 499 5886 -4.9 -8.4 76 3.5 -6.5 240 27 327.3 328.1 294.6 340.9 4.07 21 496 5933 -5.1 -8.0 80 2.9 -6.5 241 27 327.6 328.4 294.7 341.7 4.22 22 475 6273 -7.5 -10.0 82 2.5 -8.6 248 25 328.7 329.4 294.7 341.4 3.77 23 445 6781 -9.5 -19.5 44 10.0 -12.9 256 20 332.4 332.7 294.0 338.8 1.83 24 435 6957 -10.3 -18.3 52 8.0 -13.2 259 23 333.5 333.9 294.5 340.8 2.08 25 418 7264 -12.7 -17.5 67 4.8 -14.4 264 28 334.2 334.7 294.9 342.4 2.32 26 402 7562 -14.1 -25.1 39 11.0 -17.2 256 34 336.2 336.4 294.5 340.7 1.24 27 400 7600 -14.3 -24.3 42 10.0 -17.2 255 35 336.4 336.7 294.6 341.3 1.34 28 376 8065 -17.3 -27.3 41 10.0 -19.9 260 40 338.4 338.7 294.9 342.5 1.08 29 342 8765 -23.3 -30.3 53 7.0 -24.8 257 40 339.6 339.8 295.0 343.0 0.90 30 335 8916 -24.3 -30.3 58 6.0 -25.6 257 40 340.2 340.4 295.2 343.7 0.92 31 308 9522 -28.3 -41.3 28 13.0 -30.1 254 40 342.9 343.0 295.3 344.2 0.33 32 300 9710 -29.7 -43.7 24 14.0 -31.4 250 40 343.5 343.6 295.4 344.6 0.27 33 292 9902 -31.3 -38.3 50 7.0 -32.3 247 38 343.9 344.0 295.7 345.8 0.48 34 286 10048 -32.5 -45.5 26 13.0 -33.9 245 36 344.2 344.3 295.6 345.2 0.23 35 264 10606 -37.1 -40.6 70 3.5 -37.5 254 35 345.5 345.6 296.0 347.1 0.42 36 250 10980 -40.3 -43.7 70 3.4 -40.6 265 36 346.2 346.2 296.1 347.4 0.32 37 246 11090 -41.1 -44.3 71 3.2 -41.4 266 37 346.6 346.6 296.1 347.8 0.30 38 231 11514 -44.3 -49.3 57 5.0 -44.6 270 42 348.0 348.0 296.4 348.7 0.19 39 218 11898 -47.9 -50.5 74 2.6 -48.0 274 46 348.2 348.3 296.4 348.9 0.17 40 200 12460 -52.9 -58.9 48 6.0 -53.1 280 52 349.0 349.0 296.5 349.3 0.07 41 195 12623 -54.3 -58.0 64 3.7 -54.4 280 54 349.3 349.3 296.5 349.6 0.08 42 188 12857 -55.9 -64.9 32 9.0 -56.1 280 56 350.4 350.4 296.7 350.5 0.03 43 178 13203 -58.5 -64.5 46 6.0 -58.6 277 54 351.7 351.7 297.0 351.8 0.04 44 172 13418 -59.9 -70.9 22 11.0 -60.0 276 54 352.8 352.8 297.3 352.9 0.02 45 150 14260 -66.7 -71.7 49 5.0 -66.7 270 50 355.2 355.2 297.7 355.3 0.02 46 142 14589 -69.3 -74.1 50 4.8 -69.4 268 50 356.3 356.3 298.0 356.3 0.01 47 126 15296 -73.5 -81.5 28 8.0 -73.5 262 48 361.0 361.0 298.9 361.1 0.00 48 125 15342 -73.5 -81.5 28 8.0 -73.5 262 48 361.9 361.9 299.1 361.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 559.00 mb = 4984.91 m = 16354.50 ft Wetbulb zero: 602.04 mb = 4386.44 m = 14391.03 ft Precipitable water: 1.94 inches Sfc-500 mean rel hum: 72.68 % Est. max temperature: 31.18 C = 88.13 F Sfc-Lift cond lev (LCL): 958.34 mb = 473.19 m = 1552.45 ft T: 21.53 C 700-500 lapse rate: 5.47 C/km ThetaE index: 9.83 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 847.23 mb = 1537.73 m = 5044.99 ft Mean mixing ratio: 14.55 g/kg Conv temperature: 31.47 C = 88.64 F Cap Strength: 2.97 C Lifted Index: 1.73 C Risk: Showers probable Lifted Index @300 mb: 3.85 C Lifted Index @700 mb: 2.27 C Showalter Index: 3.95 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 16.90 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 187.40 Risk: None Energy Index: 0.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.82 J/kg Max Up Vert Vel: 4.65 m/s Conv Inhibition (B-): 2149.35 J/kg Cap Strength: 2.92 C Lift Cond Lev (LCL): 920.21 mb = 826.84 m = 2712.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 10 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 67 120 1 -0.9 0.5 | 107 11 -10.7 3.4 1 1000 102 90 5 -5.0 0.0 | 101 15 -14.9 2.9 2 977 305 115 7 -6.3 3.0 | 110 17 -16.2 5.8 3 943 610 140 3 -1.9 2.3 | 114 13 -11.8 5.2 4 925 782 200 3 1.0 2.8 | 123 11 -8.8 5.7 5 911 914 225 3 2.1 2.1 | 123 9 -7.7 5.0 6 850 1510 295 7 6.3 -3.0 | 89 4 -3.5 -0.1 7 818 1829 285 9 8.7 -2.3 | 115 1 -1.2 0.6 8 789 2134 275 13 13.0 -1.1 | 241 4 3.1 1.7 9 734 2743 285 11 10.6 -2.8 | 267 1 0.8 0.0 10 708 3048 255 15 14.5 3.9 | 214 8 4.6 6.8 11 700 3146 245 15 13.6 6.3 | 202 10 3.7 9.2 12 657 3658 265 13 13.0 1.1 | 218 5 3.1 4.0 13 609 4267 250 17 16.0 5.8 | 215 11 6.1 8.7 14 587 4572 260 21 20.7 3.6 | 239 13 10.8 6.5 15 565 4877 265 19 18.9 1.7 | 243 10 9.1 4.5 16 505 5791 235 25 20.5 14.3 | 212 20 10.6 17.2 17 500 5870 240 27 23.4 13.5 | 220 21 13.5 16.4 18 486 6096 245 27 24.5 11.4 | 226 20 14.6 14.3 19 449 6706 255 19 18.4 4.9 | 227 12 8.5 7.8 20 415 7315 265 29 28.9 2.5 | 254 20 19.0 5.4 21 400 7600 255 35 33.8 9.1 | 243 27 23.9 11.9 22 383 7925 260 40 39.4 6.9 | 252 31 29.5 9.8 23 311 9449 255 40 38.6 10.4 | 245 32 28.8 13.2 24 300 9710 250 40 37.6 13.7 | 239 32 27.7 16.6 25 285 10058 245 36 32.6 15.2 | 232 29 22.8 18.1 26 250 10973 260 35 34.5 6.1 | 250 26 24.6 9.0 27 250 10980 265 36 35.9 3.1 | 257 27 26.0 6.0 28 200 12460 280 52 51.2 -9.0 | 278 42 41.3 -6.1 29 189 12802 280 56 55.1 -9.7 | 279 46 45.3 -6.8 30 150 14260 270 50 50.0 -0.0 | 266 40 40.1 2.9 31 120 15545 260 48 47.3 8.3 | 253 39 37.4 11.2 Wind Parameters Mean winds (0-6000m): 256.3 at 13.7 knts Storm direction: 286.3 at 10.3 knts Shear (0-3000m) pos: 1.4 neg: 2.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 104.2 deg Storm rel helicity (0-3000m) pos: 21.9 neg: -10.1 tot: 11.9 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 44.37 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 ------------------------------------------------------------------------------- 500 113 5 109 16| 2.7 0.0 2.7| 12.8 -3.4 9.4 18.8 0.19| 10.8 2.1 1000 138 4 116 14| 2.4 0.0 2.4| 20.2 -3.4 16.8 16.8 0.27| 8.6 2.3 1500 201 5 132 11| 2.9 0.0 2.9| 20.4 -6.5 13.9 9.3 0.08| 7.8 0.6 2000 267 6 129 5| 2.1 1.4 3.6| 21.4 -6.5 15.0 7.5 0.18| 7.3 1.3 2500 273 7 133 4| 1.7 1.1 2.8| 21.9 -6.5 15.4 6.2 0.19| 6.4 1.2 3000 273 8 145 3| 1.4 2.0 3.4| 21.9 -10.1 11.9 4.0 0.08| 6.8 0.5 4000 265 10 177 4| 1.1 1.9 3.0| 25.8 -13.9 11.9 3.0 0.07| 6.4 0.4 5000 262 12 200 5| 1.4 1.5 2.8| 43.1 -19.1 23.9 4.8 0.12| 6.4 0.7 6000 256 14 209 7| 1.4 1.8 3.1| 67.7 -46.5 21.2 3.5 0.07| 6.6 0.5 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20250430.12.gif