UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 19 OCT 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 122 SFC 960 476 20.8 20.0 95 0.8 20.2 315 1 297.4 300.2 294.8 342.3 15.51 2 928 769 18.6 18.4 99 0.2 18.5 5 3 298.1 300.7 294.3 340.1 14.50 3 925 797 20.2 17.6 85 2.6 18.4 10 3 300.0 302.5 294.4 340.4 13.82 4 924 806 20.4 17.7 84 2.7 18.5 11 3 300.3 302.8 294.6 341.0 13.92 5 908 958 21.2 17.3 78 3.9 18.5 31 6 302.6 305.1 295.1 343.4 13.81 6 850 1528 16.8 15.8 94 1.0 16.1 105 15 303.7 306.2 295.2 343.6 13.40 7 804 2000 13.4 13.4 100 0.0 13.4 108 13 305.0 307.2 294.6 341.2 12.11 8 760 2474 11.6 9.9 89 1.7 10.5 111 10 308.0 309.9 294.0 338.7 10.13 9 752 2563 12.4 9.0 80 3.4 10.3 111 10 309.8 311.6 294.1 339.2 9.63 10 725 2870 11.8 -4.2 32 16.0 3.8 113 8 312.4 313.1 290.2 324.7 3.86 11 718 2951 11.6 -0.4 43 12.0 5.2 114 8 313.0 314.0 291.5 329.3 5.18 12 705 3104 10.4 2.4 58 8.0 5.9 115 7 313.4 314.6 292.7 333.6 6.47 13 700 3163 9.8 1.8 57 8.0 5.4 115 7 313.3 314.5 292.5 332.9 6.24 14 672 3500 8.0 1.0 61 7.0 4.1 120 6 315.0 316.2 292.9 334.4 6.13 15 645 3838 6.6 -7.4 36 14.0 0.1 125 6 317.1 317.8 291.2 328.2 3.40 16 617 4200 4.0 -7.0 44 11.0 -1.2 130 5 318.2 318.9 291.7 330.1 3.67 17 567 4882 0.8 -19.2 21 20.0 -6.3 140 3 322.2 322.5 290.9 327.3 1.48 18 527 5465 -3.3 -11.3 54 8.0 -6.7 149 2 324.1 324.7 292.9 334.4 3.06 19 524 5511 -3.1 -17.1 33 14.0 -8.2 149 2 324.9 325.3 292.1 331.4 1.91 20 501 5864 -5.3 -21.3 27 16.0 -10.5 155 1 326.4 326.7 292.0 331.3 1.39 21 500 5880 -5.5 -20.5 30 15.0 -10.5 155 1 326.3 326.6 292.2 331.6 1.50 22 495 5959 -5.7 -15.7 45 10.0 -9.5 152 1 327.0 327.5 293.0 334.8 2.27 23 490 6039 -5.5 -25.5 19 20.0 -11.4 149 1 328.2 328.4 292.2 331.7 0.98 24 456 6601 -9.7 -27.7 22 18.0 -14.5 128 3 329.8 330.0 292.5 332.9 0.86 25 444 6808 -9.3 -35.3 10 26.0 -15.2 120 3 332.8 332.9 292.9 334.4 0.43 26 401 7591 -13.9 -37.9 11 24.0 -18.7 91 5 336.7 336.8 293.9 338.1 0.36 27 400 7610 -14.1 -37.1 12 23.0 -18.8 90 5 336.7 336.7 293.9 338.2 0.40 28 324 9169 -25.7 -46.7 12 21.0 -28.3 64 4 341.6 341.6 294.8 342.3 0.18 29 300 9720 -30.9 -40.9 37 10.0 -32.2 55 3 341.8 341.9 295.1 343.2 0.36 30 292 9910 -32.5 -41.5 40 9.0 -33.6 39 3 342.2 342.3 295.2 343.6 0.34 31 283 10128 -34.7 -44.7 36 10.0 -35.7 21 2 342.1 342.2 295.1 343.1 0.25 32 263 10634 -37.7 -55.7 14 18.0 -38.8 339 2 345.0 345.0 295.6 345.3 0.08 33 250 10980 -40.5 -57.5 14 17.0 -41.4 310 1 345.9 345.9 295.8 346.1 0.06 34 200 12460 -53.1 -64.1 25 11.0 -53.4 210 5 348.7 348.7 296.4 348.8 0.03 35 182 13063 -58.3 -67.3 31 9.0 -58.5 151 5 349.7 349.8 296.6 349.9 0.02 36 150 14260 -66.7 -75.7 27 9.0 -66.8 30 5 355.2 355.2 297.7 355.2 0.01 37 141 14630 -69.7 -79.7 22 10.0 -69.8 51 6 356.3 356.3 298.0 356.3 0.00 38 101 16564 -79.5 -85.5 36 6.0 -79.5 167 13 373.1 373.1 301.1 373.1 0.00 39 100 16620 -79.5 -84.5 43 5.0 -79.5 170 13 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5758.00 m Freezing level: 559.20 mb = 4996.11 m = 16391.23 ft Wetbulb zero: 643.22 mb = 3860.20 m = 12664.53 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 60.54 % Est. max temperature: 28.14 C = 82.66 F Sfc-Lift cond lev (LCL): 949.10 mb = 574.79 m = 1885.76 ft T: 20.06 C 700-500 lapse rate: 5.63 C/km ThetaE index: 14.57 C Layer 725.0- 718.0 mb Conv cond level (CCL): 846.41 mb = 1563.97 m = 5131.07 ft Mean mixing ratio: 14.12 g/kg Conv temperature: 27.17 C = 80.90 F Cap Strength: 2.15 C Lifted Index: 0.28 C Risk: Showers probable Lifted Index @300 mb: 1.69 C Lifted Index @700 mb: 1.34 C Showalter Index: -0.13 C Risk: Thunderstorms probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.30 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 220.60 Risk: None Energy Index: -2.34 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.03 J/kg Max Up Vert Vel: 8.72 m/s Conv Inhibition (B-): 38.14 J/kg Cap Strength: 2.08 C Lift Cond Lev (LCL): 881.64 mb = 1212.52 m = 3978.04 ft Lev Free Conv (LFC): 816.64 mb = 1867.93 m = 6128.29 ft Equ Level (EL): 756.64 mb = 2510.91 m = 8237.79 ft B at Equ Level: 35.92 J/kg Max Parcel Lev (MPL): 696.64 mb = 3202.81 m = 10507.79 ft Wind level data Storm motion: 140 at 5 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 ---------------------------------------------------------- 0 960 476 315 1 0.7 -0.7 | 319 6 3.7 -4.2 1 925 797 10 3 -0.5 -3.0 | 339 7 2.5 -6.5 2 850 1528 105 15 -14.5 3.9 | 92 12 -11.5 0.4 3 700 3163 115 7 -6.3 3.0 | 81 3 -3.4 -0.5 4 500 5880 155 1 -0.4 0.9 | 315 4 2.6 -2.6 5 400 7610 90 5 -5.0 0.0 | 30 4 -2.0 -3.5 6 300 9720 55 3 -2.5 -1.7 | 354 5 0.5 -5.2 7 250 10980 310 1 0.8 -0.6 | 318 6 3.7 -4.1 8 200 12460 210 5 2.5 4.3 | 261 6 5.5 0.8 9 150 14260 30 5 -2.5 -4.3 | 356 8 0.5 -7.8 10 100 16620 170 13 -2.3 12.8 | 184 9 0.7 9.3 Wind Parameters Mean winds (0-6000m): 109.6 at 6.1 knts Storm direction: 139.6 at 4.6 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 122.5 deg Storm rel helicity (0-3000m) pos: 51.9 neg: -1.3 tot: 50.6 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.78 Bulk Shear: 6.58 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 13 3 340 7| 6.0 0.0 6.0| 10.3 0.0 10.3 20.5 0.87| 6.4 5.5 1000 80 6 36 6| 7.7 0.0 7.7| 46.1 0.0 46.1 46.1 0.95| 10.5 9.9 1500 97 9 68 6| 4.7 0.0 4.7| 51.9 0.0 51.9 34.6 0.87| 8.3 7.3 2000 101 10 76 7| 2.9 0.0 2.9| 51.9 -0.2 51.6 25.8 0.79| 6.9 5.4 2500 103 10 78 6| 1.8 0.0 1.8| 51.9 -1.0 50.9 20.4 0.70| 6.0 4.2 3000 104 9 78 6| 1.2 0.0 1.2| 51.9 -1.3 50.6 16.9 0.65| 5.3 3.5 4000 108 8 78 5| 0.7 0.0 0.7| 51.9 -1.6 50.3 12.6 0.57| 4.3 2.5 5000 109 7 72 4| 0.3 0.0 0.3| 51.9 -1.8 50.1 10.0 0.51| 3.7 1.9 6000 110 6 63 3| 0.2 0.1 0.3| 52.4 -1.8 50.6 8.4 0.49| 3.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251019.00.gif