UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:0000Z 20 OCT 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 62 25.4 19.4 69 6.0 21.2 30 3 298.1 300.7 294.2 339.5 14.25 1 1000 106 25.2 19.2 69 6.0 21.1 40 5 298.4 300.9 294.2 339.4 14.14 2 925 787 21.0 17.5 80 3.5 18.6 60 29 300.8 303.3 294.6 341.1 13.73 3 862 1395 16.6 16.5 99 0.1 16.5 73 41 302.3 304.9 295.1 343.2 13.83 4 850 1515 16.0 16.0 100 0.0 16.0 75 40 302.9 305.4 295.1 343.1 13.58 5 764 2418 11.8 11.8 100 0.0 11.8 80 23 307.8 309.9 294.9 342.4 11.46 6 753 2541 13.2 9.5 78 3.7 10.9 82 22 310.6 312.4 294.6 341.0 9.95 7 733 2768 12.8 6.8 67 6.0 9.1 83 19 312.5 314.1 294.0 338.8 8.49 8 700 3154 9.6 6.3 80 3.3 7.6 60 15 313.1 314.8 294.3 339.8 8.59 9 646 3815 5.4 2.5 82 2.9 3.8 63 18 315.6 317.0 293.9 338.0 7.11 10 606 4336 3.4 -0.4 76 3.8 1.3 75 21 319.1 320.3 294.0 338.8 6.14 11 599 4430 3.6 -2.4 65 6.0 0.4 79 22 320.4 321.5 293.8 337.8 5.36 12 576 4747 2.6 -1.0 77 3.6 0.6 92 21 322.9 324.1 295.0 343.0 6.19 13 556 5033 2.2 -6.8 51 9.0 -2.2 103 17 325.7 326.5 294.2 339.4 4.13 14 555 5048 2.2 -6.8 51 9.0 -2.2 104 17 325.8 326.7 294.2 339.6 4.14 15 549 5135 1.4 -6.6 55 8.0 -2.5 108 16 325.9 326.8 294.3 340.1 4.25 16 516 5631 -2.7 -10.7 54 8.0 -6.2 81 15 326.8 327.4 293.8 337.9 3.28 17 500 5880 -4.3 -23.3 21 19.0 -10.3 70 17 327.8 328.0 292.2 331.9 1.17 18 487 6087 -5.3 -33.3 9 28.0 -12.2 61 15 329.0 329.1 291.9 330.8 0.47 19 482 6168 -5.9 -20.9 29 15.0 -10.9 59 14 329.3 329.6 292.9 334.6 1.50 20 480 6201 -6.1 -10.9 69 4.8 -8.2 58 14 329.4 330.1 294.6 341.2 3.47 21 479 6217 -6.3 -11.3 68 5.0 -8.5 58 14 329.4 330.1 294.5 340.8 3.37 22 474 6300 -5.9 -20.9 29 15.0 -11.0 57 13 330.9 331.2 293.4 336.3 1.52 23 473 6316 -5.7 -18.7 35 13.0 -10.4 56 13 331.3 331.7 293.8 337.8 1.85 24 468 6399 -6.3 -12.3 62 6.0 -8.8 55 12 331.6 332.2 294.9 342.5 3.18 25 466 6433 -6.3 -15.3 49 9.0 -9.8 55 12 332.0 332.5 294.5 340.7 2.50 26 413 7366 -12.9 -17.8 67 4.9 -14.6 67 9 335.1 335.6 295.1 343.2 2.29 27 400 7610 -14.3 -25.3 39 11.0 -17.4 55 7 336.4 336.7 294.6 340.9 1.22 28 389 7821 -15.9 -31.9 24 16.0 -19.6 30 8 337.0 337.1 294.2 339.6 0.68 29 383 7938 -15.5 -40.5 10 25.0 -20.1 10 7 339.0 339.1 294.4 340.2 0.29 30 333 8976 -24.5 -28.5 69 4.0 -25.4 109 11 340.5 340.8 295.4 344.6 1.09 31 330 9042 -24.7 -27.7 76 3.0 -25.4 115 11 341.1 341.4 295.6 345.6 1.19 32 300 9730 -28.7 -30.8 82 2.1 -29.1 145 21 344.9 345.1 296.3 348.7 0.98 33 298 9778 -29.3 -30.9 86 1.6 -29.6 146 21 344.7 344.9 296.3 348.5 0.98 34 286 10070 -31.9 -32.4 95 0.5 -32.0 150 23 345.1 345.3 296.3 348.5 0.88 35 271 10450 -34.1 -38.4 65 4.3 -34.7 169 26 347.3 347.4 296.5 349.3 0.51 36 269 10502 -33.9 -42.9 40 9.0 -35.0 172 26 348.3 348.4 296.5 349.6 0.32 37 263 10659 -35.7 -42.7 49 7.0 -36.5 179 27 347.9 348.0 296.5 349.3 0.34 38 250 11010 -38.7 -48.7 34 10.0 -39.5 195 27 348.5 348.6 296.5 349.3 0.18 39 219 11904 -45.7 -64.7 10 19.0 -46.3 220 25 351.2 351.2 296.9 351.3 0.03 40 200 12500 -50.9 -58.9 38 8.0 -51.2 220 29 352.2 352.2 297.1 352.5 0.07 41 182 13105 -56.7 -59.7 69 3.0 -56.8 230 29 352.4 352.4 297.2 352.6 0.07 42 169 13569 -61.3 -65.1 61 3.8 -61.4 232 32 352.3 352.3 297.1 352.4 0.04 43 150 14300 -66.3 -69.8 61 3.5 -66.3 235 38 355.9 355.9 297.9 356.0 0.02 44 149 14341 -66.5 -69.9 62 3.4 -66.5 235 38 356.2 356.2 298.0 356.3 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 537.73 mb = 5304.51 m = 17403.03 ft Wetbulb zero: 571.69 mb = 4808.07 m = 15774.31 ft Precipitable water: 2.09 inches Sfc-500 mean rel hum: 77.12 % Est. max temperature: 29.94 C = 85.90 F Sfc-Lift cond lev (LCL): 920.80 mb = 826.21 m = 2710.62 ft T: 20.72 C 700-500 lapse rate: 5.10 C/km ThetaE index: 4.38 C Layer 850.0- 700.0 mb Conv cond level (CCL): 862.00 mb = 1395.19 m = 4577.35 ft Mean mixing ratio: 13.91 g/kg Conv temperature: 29.60 C = 85.29 F Cap Strength: 4.06 C Lifted Index: 2.27 C Risk: None Lifted Index @300 mb: 5.09 C Lifted Index @700 mb: 1.79 C Showalter Index: 1.25 C Risk: Showers probable Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 20.30 C K Index: 33.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 289.00 Risk: None Energy Index: -2.13 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.92 J/kg Max Up Vert Vel: 3.98 m/s Conv Inhibition (B-): 2135.86 J/kg Cap Strength: 4.01 C Lift Cond Lev (LCL): 893.97 mb = 1081.23 m = 3547.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 103 at 17 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 62 30 3 -1.5 -2.6 | 293 16 14.7 -6.4 1 1000 106 40 5 -3.2 -3.8 | 300 15 13.0 -7.6 2 977 305 45 15 -10.6 -10.6 | 339 15 5.6 -14.4 3 944 610 60 27 -23.4 -13.5 | 23 19 -7.2 -17.3 4 925 787 60 29 -25.1 -14.5 | 26 20 -8.9 -18.3 5 911 914 65 31 -28.1 -13.1 | 35 21 -11.9 -16.9 6 880 1219 70 42 -39.5 -14.4 | 52 30 -23.3 -18.1 7 850 1515 75 40 -38.6 -10.4 | 58 27 -22.5 -14.1 8 790 2134 75 27 -26.1 -7.0 | 43 15 -9.9 -10.8 9 735 2743 85 19 -18.9 -1.7 | 27 6 -2.8 -5.4 10 709 3048 60 15 -13.0 -7.5 | 344 12 3.2 -11.3 11 700 3154 60 15 -13.0 -7.5 | 344 12 3.2 -11.3 12 658 3658 65 17 -15.4 -7.2 | 356 11 0.8 -11.0 13 634 3962 60 19 -16.5 -9.5 | 1 13 -0.3 -13.3 14 588 4572 85 23 -22.9 -2.0 | 49 9 -6.7 -5.8 15 545 5182 110 15 -14.1 5.1 | 237 2 2.1 1.4 16 506 5791 70 15 -14.1 -5.1 | 347 9 2.1 -8.9 17 500 5880 70 17 -16.0 -5.8 | 359 10 0.2 -9.6 18 486 6096 60 15 -13.0 -7.5 | 344 12 3.2 -11.3 19 449 6706 50 9 -6.9 -5.8 | 316 13 9.3 -9.6 20 432 7010 85 11 -11.0 -1.0 | 312 7 5.2 -4.7 21 400 7610 55 7 -5.7 -4.0 | 307 13 10.4 -7.8 22 399 7620 65 9 -8.2 -3.8 | 313 11 8.0 -7.6 23 383 7925 10 7 -1.2 -6.9 | 305 18 15.0 -10.7 24 312 9449 155 13 -5.5 11.8 | 233 13 10.7 8.0 25 300 9730 145 21 -12.0 17.2 | 197 14 4.1 13.4 26 286 10058 150 23 -11.5 19.9 | 196 17 4.7 16.2 27 262 10668 180 27 0.0 27.0 | 215 28 16.2 23.2 28 250 11010 195 27 7.0 26.1 | 226 32 23.2 22.3 29 219 11887 220 25 16.1 19.2 | 244 36 32.2 15.4 30 200 12497 210 29 14.5 25.1 | 235 37 30.7 21.3 31 200 12500 220 29 18.6 22.2 | 242 39 34.8 18.4 32 182 13106 230 29 22.2 18.6 | 249 41 38.4 14.9 33 150 14300 235 38 31.1 21.8 | 249 51 47.3 18.0 34 142 14630 235 38 31.1 21.8 | 249 51 47.3 18.0 Wind Parameters Mean winds (0-6000m): 73.1 at 22.1 knts Storm direction: 103.1 at 16.6 knts Shear (0-3000m) pos: 5.1 neg: 3.2 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 50.8 deg Storm rel helicity (0-3000m) pos: 192.7 neg: -44.5 tot: 148.2 m^2/s^2 ave: 49.4 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 12.9 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.55 Bulk Shear: 14.27 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 50 15 339 14| 23.2 0.0 23.2| 92.9 0.0 92.9 185.8 0.98| 23.9 23.3 1000 59 22 11 16| 17.5 0.0 17.5|148.5 0.0 148.5 148.5 0.91| 18.5 16.9 1500 65 28 31 18| 12.7 0.0 12.7|192.7 0.0 192.7 128.5 0.84| 15.8 13.3 2000 68 30 37 19| 9.5 2.7 12.2|192.7 -21.8 170.9 85.5 0.62| 14.6 9.0 2500 70 29 38 17| 6.2 2.2 8.3|192.7 -27.8 164.9 65.9 0.51| 13.2 6.8 3000 70 27 36 16| 5.1 3.2 8.3|192.7 -44.5 148.2 49.4 0.34| 12.9 4.4 4000 69 24 28 14| 4.5 2.4 6.8|207.5 -44.5 163.0 40.7 0.37| 10.5 3.9 5000 72 24 29 13| 3.5 1.9 5.4|231.1 -44.5 186.5 37.3 0.42| 10.3 4.3 6000 73 22 26 11| 2.9 2.1 5.0|237.4 -49.9 187.5 31.2 0.40| 9.9 4.0 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251020.00.gif