UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for VH004... Searching the city database file for: VH004 ... Date:1200Z 13 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 71 28.0 25.1 84 2.9 25.9 0 0 300.7 304.4 298.8 360.7 20.35 1 1000 115 28.0 24.7 82 3.3 25.6 115 3 301.1 304.8 298.7 360.0 19.96 2 931 746 23.0 21.0 89 2.0 21.6 114 9 302.3 305.4 297.2 352.7 17.05 3 925 803 22.8 20.2 85 2.6 20.9 115 9 302.6 305.6 296.8 350.9 16.32 4 850 1538 19.4 15.2 77 4.2 16.5 135 11 306.5 308.9 295.6 345.2 12.89 5 780 2273 15.0 12.3 84 2.7 13.2 154 9 309.4 311.6 295.4 344.7 11.61 6 700 3186 11.4 3.4 58 8.0 6.8 135 11 315.1 316.5 293.6 337.1 7.00 7 674 3501 9.8 -1.2 46 11.0 3.9 138 10 316.7 317.8 292.6 333.4 5.20 8 669 3563 9.4 -0.6 50 10.0 4.0 139 9 317.0 318.0 292.9 334.5 5.48 9 608 4348 4.4 -5.6 48 10.0 -0.5 145 13 320.0 320.8 292.7 333.5 4.14 10 582 4702 2.0 -7.0 51 9.0 -2.3 143 14 321.2 322.0 292.8 334.0 3.89 11 577 4772 1.4 -2.9 73 4.3 -0.8 142 14 321.3 322.4 294.0 338.7 5.36 12 553 5113 -0.7 -9.7 51 9.0 -4.7 136 12 322.8 323.4 292.7 333.8 3.31 13 538 5332 -2.3 -6.0 76 3.7 -4.1 133 10 323.4 324.3 293.9 338.3 4.55 14 537 5346 -2.3 -7.0 70 4.7 -4.5 133 10 323.6 324.4 293.7 337.5 4.22 15 505 5832 -5.1 -9.1 73 4.0 -6.9 111 8 325.9 326.6 294.0 338.6 3.80 16 500 5910 -5.5 -9.7 72 4.2 -7.4 125 7 326.3 327.1 294.0 338.6 3.66 17 474 6327 -8.3 -14.3 62 6.0 -10.6 134 5 327.9 328.4 293.6 337.0 2.67 18 465 6476 -8.9 -20.9 37 12.0 -12.8 137 5 328.9 329.3 292.9 334.4 1.55 19 456 6627 -9.9 -14.9 67 5.0 -11.8 140 4 329.5 330.1 294.0 338.6 2.64 20 442 6867 -10.5 -29.5 19 19.0 -15.3 145 4 331.7 331.9 292.9 334.5 0.75 21 440 6902 -10.7 -22.7 37 12.0 -14.4 146 4 331.9 332.2 293.6 336.9 1.40 22 427 7133 -11.9 -28.9 23 17.0 -16.3 150 4 333.2 333.4 293.4 336.3 0.82 23 424 7187 -12.5 -21.5 47 9.0 -15.3 151 4 333.1 333.5 294.0 338.9 1.62 24 411 7424 -13.5 -36.5 13 23.0 -18.2 156 3 334.8 334.9 293.4 336.4 0.41 25 400 7630 -15.1 -32.1 22 17.0 -19.0 160 3 335.4 335.5 293.8 337.8 0.65 26 382 7977 -17.5 -35.5 19 18.0 -21.1 100 2 336.6 336.7 294.0 338.5 0.49 27 370 8216 -18.9 -26.9 49 8.0 -21.0 58 1 337.9 338.1 294.8 342.1 1.14 28 364 8338 -19.1 -33.1 28 14.0 -22.1 37 1 339.2 339.3 294.7 341.6 0.65 29 328 9106 -24.9 -29.8 64 4.9 -25.9 18 8 341.5 341.7 295.6 345.2 0.98 30 321 9262 -25.9 -33.9 47 8.0 -27.4 28 10 342.2 342.3 295.4 344.8 0.68 31 309 9538 -27.7 -31.0 73 3.3 -28.3 49 13 343.4 343.6 296.0 347.0 0.93 32 300 9750 -29.3 -32.8 72 3.5 -29.9 65 15 344.1 344.3 296.0 347.2 0.81 33 269 10516 -35.7 -37.1 87 1.4 -35.9 53 23 345.7 345.8 296.2 348.0 0.59 34 250 11020 -39.9 -42.8 74 2.9 -40.2 45 23 346.7 346.8 296.2 348.2 0.35 35 232 11524 -44.5 -48.0 68 3.5 -44.7 41 21 347.2 347.3 296.2 348.1 0.21 36 200 12500 -51.9 -56.9 55 5.0 -52.1 70 17 350.6 350.6 296.8 351.0 0.09 37 191 12798 -54.5 -62.5 37 8.0 -54.7 80 19 351.1 351.1 296.9 351.2 0.04 38 184 13036 -56.9 -62.9 47 6.0 -57.1 83 19 350.9 350.9 296.9 351.1 0.04 39 177 13282 -58.3 -63.3 53 5.0 -58.4 86 19 352.5 352.6 297.2 352.7 0.04 40 172 13462 -59.9 -65.9 45 6.0 -60.0 89 19 352.8 352.8 297.3 352.9 0.03 41 167 13646 -60.5 -75.5 12 15.0 -60.6 91 19 354.8 354.8 297.7 354.8 0.01 42 150 14310 -64.7 -75.7 21 11.0 -64.8 100 19 358.6 358.6 298.4 358.7 0.01 43 140 14728 -67.7 -75.7 31 8.0 -67.8 103 18 360.5 360.5 298.8 360.5 0.01 44 110 16145 -76.7 -85.7 23 9.0 -76.7 103 17 369.3 369.3 300.4 369.3 0.00 45 100 16690 -78.9 -86.9 26 8.0 -78.9 115 19 375.3 375.3 301.5 375.3 0.00 46 91 17224 -80.7 -88.7 25 8.0 -80.7 120 22 382.0 382.0 302.6 382.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5795.00 m Freezing level: 561.00 mb = 4998.99 m = 16400.67 ft Wetbulb zero: 614.86 mb = 4255.88 m = 13962.70 ft Precipitable water: 2.13 inches Sfc-500 mean rel hum: 68.52 % Est. max temperature: 33.49 C = 92.28 F Sfc-Lift cond lev (LCL): 964.12 mb = 437.66 m = 1435.87 ft T: 25.44 C 700-500 lapse rate: 6.20 C/km ThetaE index: 27.32 C Layer 1000.0- 669.0 mb Conv cond level (CCL): 883.40 mb = 1203.00 m = 3946.80 ft Mean mixing ratio: 17.92 g/kg Conv temperature: 32.00 C = 89.61 F Cap Strength: 0.90 C Lifted Index: -4.29 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.60 C Lifted Index @700 mb: -0.51 C Showalter Index: -0.77 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 20.70 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 211.40 Risk: None Energy Index: -1.31 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1364.54 J/kg Max Up Vert Vel: 52.24 m/s Conv Inhibition (B-): 20.28 J/kg Cap Strength: 0.90 C Lift Cond Lev (LCL): 918.68 mb = 862.61 m = 2830.05 ft Lev Free Conv (LFC): 823.68 mb = 1807.14 m = 5928.85 ft Equ Level (EL): 163.68 mb = 13770.45 m = 45178.08 ft B at Equ Level: 1358.59 J/kg Wind level data Storm motion: 167 at 8 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 71 0 0 -0.0 -0.0 | 347 8 1.8 -7.5 1 1000 115 115 3 -2.7 1.3 | 9 6 -0.9 -6.2 2 979 305 105 9 -8.7 2.3 | 53 9 -6.9 -5.1 3 945 610 110 9 -8.5 3.1 | 57 8 -6.7 -4.4 4 925 803 115 9 -8.2 3.8 | 60 7 -6.4 -3.7 5 913 914 115 9 -8.2 3.8 | 60 7 -6.4 -3.7 6 851 1524 135 11 -7.8 7.8 | 93 6 -6.0 0.3 7 850 1538 135 11 -7.8 7.8 | 93 6 -6.0 0.3 8 821 1829 165 9 -2.3 8.7 | 155 1 -0.6 1.2 9 792 2134 155 9 -3.8 8.2 | 109 2 -2.0 0.7 10 737 2743 150 11 -5.5 9.5 | 119 4 -3.7 2.0 11 711 3048 130 13 -10.0 8.4 | 96 8 -8.2 0.9 12 700 3186 135 11 -7.8 7.8 | 93 6 -6.0 0.3 13 660 3658 140 9 -5.8 6.9 | 82 4 -4.0 -0.6 14 636 3962 145 11 -6.3 9.0 | 109 5 -4.5 1.5 15 590 4572 145 15 -8.6 12.3 | 125 8 -6.8 4.8 16 527 5486 130 9 -6.9 5.8 | 72 5 -5.1 -1.7 17 507 5791 105 9 -8.7 2.3 | 53 9 -6.9 -5.1 18 500 5910 125 7 -5.7 4.0 | 49 5 -4.0 -3.5 19 488 6096 130 5 -3.8 3.2 | 26 5 -2.1 -4.3 20 400 7630 160 3 -1.0 2.8 | 351 5 0.7 -4.7 21 354 8534 0 0 -0.0 -0.0 | 347 8 1.8 -7.5 22 326 9144 20 9 -3.1 -8.5 | 5 16 -1.3 -15.9 23 300 9750 65 15 -13.6 -6.3 | 41 18 -11.8 -13.8 24 300 9754 65 15 -13.6 -6.3 | 41 18 -11.8 -13.8 25 263 10668 50 25 -19.2 -16.1 | 36 29 -17.4 -23.5 26 250 11020 45 23 -16.3 -16.3 | 31 28 -14.5 -23.7 27 210 12192 35 19 -10.9 -15.6 | 22 25 -9.1 -23.0 28 200 12500 70 17 -16.0 -5.8 | 47 19 -14.2 -13.3 29 191 12802 80 19 -18.7 -3.3 | 58 20 -16.9 -10.8 30 150 14310 100 19 -18.7 3.3 | 76 17 -16.9 -4.2 31 150 14326 105 23 -22.2 6.0 | 86 21 -20.4 -1.5 32 128 15240 100 11 -10.8 1.9 | 58 11 -9.1 -5.6 33 115 15850 80 11 -10.8 -1.9 | 44 13 -9.1 -9.4 34 110 16154 105 17 -16.4 4.4 | 78 15 -14.6 -3.1 35 100 16690 115 19 -17.2 8.0 | 92 15 -15.4 0.6 36 93 17069 115 17 -15.4 7.2 | 89 14 -13.6 -0.3 37 88 17374 125 27 -22.1 15.5 | 111 22 -20.3 8.0 Wind Parameters Mean winds (0-6000m): 136.7 at 10.2 knts Storm direction: 166.7 at 7.7 knts Shear (0-3000m) pos: 1.5 neg: 1.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 109.2 deg Storm rel helicity (0-3000m) pos: 26.0 neg: -4.4 tot: 21.6 m^2/s^2 ave: 7.2 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.2 10^-3/s Energy-Hel index: 0.22 Bulk Rich Number: 367.42 Bulk Shear: 3.71 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 ------------------------------------------------------------------------------- 500 107 7 44 7| 9.3 0.0 9.3| 15.5 0.0 15.5 31.0 0.89| 10.0 8.9 1000 111 8 52 7| 4.9 0.0 4.9| 18.3 0.0 18.3 18.3 0.87| 6.0 5.2 1500 118 9 62 7| 3.7 0.0 3.7| 23.6 0.0 23.6 15.8 0.87| 5.2 4.6 2000 128 9 70 6| 2.3 0.0 2.3| 25.7 -0.4 25.3 12.6 0.71| 5.4 3.8 2500 134 9 76 5| 1.9 0.4 2.2| 25.9 -0.5 25.5 10.2 0.66| 4.7 3.1 3000 135 10 82 5| 1.5 1.0 2.6| 26.0 -4.4 21.6 7.2 0.46| 4.8 2.2 4000 137 10 86 5| 1.2 0.8 2.0| 28.8 -6.1 22.7 5.7 0.40| 4.4 1.8 5000 138 11 94 5| 1.0 0.8 1.8| 31.2 -12.3 19.0 3.8 0.29| 4.3 1.2 6000 137 10 90 5| 0.7 0.7 1.4| 31.2 -23.8 7.4 1.2 0.09| 4.6 0.4 Wrote GIF file: /home/apache/climate/data/raob//VH004/skewt/VH004.skewt.20251013.12.gif