UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 15 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 101 SFC 958 476 23.4 22.5 95 0.9 22.8 315 1 300.2 303.5 297.4 353.6 18.20 2 925 782 21.2 21.2 100 0.0 21.2 240 1 301.0 304.2 297.1 352.1 17.39 3 914 886 20.6 20.2 98 0.4 20.4 223 2 301.4 304.4 296.7 350.0 16.52 4 894 1078 21.2 18.2 83 3.0 19.1 192 5 303.9 306.7 296.2 348.2 14.87 5 850 1514 17.6 16.8 95 0.8 17.1 120 11 304.6 307.2 296.0 347.2 14.31 6 793 2106 13.8 13.8 100 0.0 13.8 131 12 306.6 309.0 295.4 344.5 12.61 7 786 2181 14.2 13.1 93 1.1 13.5 132 13 307.8 310.1 295.4 344.6 12.15 8 723 2885 10.0 10.0 100 0.0 10.0 145 14 310.7 312.7 295.1 343.5 10.73 9 700 3155 10.0 7.8 86 2.2 8.6 150 15 313.6 315.4 295.1 343.1 9.54 10 638 3922 6.6 2.3 74 4.3 4.1 147 14 318.1 319.5 294.5 340.7 7.10 11 626 4078 5.6 1.1 73 4.5 3.1 147 14 318.7 320.0 294.3 339.9 6.64 12 545 5196 -2.7 -2.7 100 0.0 -2.7 143 12 321.7 322.8 294.4 340.4 5.76 13 541 5255 -1.7 -3.5 87 1.8 -2.6 142 12 323.6 324.7 294.7 341.5 5.47 14 532 5388 -1.9 -6.3 72 4.4 -4.0 142 12 324.9 325.8 294.3 339.8 4.49 15 500 5880 -4.9 -9.2 72 4.3 -6.8 140 11 327.1 327.8 294.3 339.9 3.81 16 491 6022 -5.9 -7.5 88 1.6 -6.7 142 11 327.5 328.4 294.9 342.4 4.44 17 473 6314 -6.7 -12.7 62 6.0 -9.2 146 11 330.1 330.7 294.4 340.5 3.05 18 450 6701 -10.1 -10.7 95 0.6 -10.4 152 10 330.5 331.3 295.1 343.3 3.76 19 446 6769 -9.9 -12.9 79 3.0 -11.1 153 10 331.6 332.3 294.9 342.6 3.18 20 409 7431 -14.1 -15.2 91 1.1 -14.5 163 9 334.5 335.1 295.4 344.5 2.87 21 400 7600 -14.9 -20.9 60 6.0 -16.8 165 9 335.6 336.0 294.8 342.1 1.81 22 399 7619 -14.9 -20.9 60 6.0 -16.8 165 9 335.9 336.2 294.9 342.4 1.81 23 386 7869 -16.3 -18.9 80 2.6 -17.2 168 9 337.2 337.7 295.6 345.2 2.23 24 381 7967 -16.7 -23.7 55 7.0 -18.7 169 9 338.0 338.3 295.1 343.4 1.48 25 364 8309 -19.1 -26.1 54 7.0 -21.0 173 9 339.2 339.4 295.2 343.8 1.25 26 344 8727 -22.1 -28.1 58 6.0 -23.5 178 9 340.6 340.9 295.4 344.7 1.10 27 342 8770 -22.3 -33.3 36 11.0 -24.5 179 9 340.9 341.1 295.1 343.5 0.67 28 314 9392 -27.1 -30.5 73 3.4 -27.8 186 9 342.7 342.9 295.8 346.3 0.96 29 300 9720 -29.1 -35.1 56 6.0 -30.1 190 9 344.4 344.5 295.9 346.9 0.64 30 271 10441 -34.5 -43.5 40 9.0 -35.5 154 7 346.7 346.7 296.1 347.9 0.30 31 250 11000 -39.3 -46.3 47 7.0 -39.9 125 5 347.6 347.7 296.3 348.6 0.24 32 225 11710 -45.3 -57.3 25 12.0 -45.9 208 4 349.1 349.1 296.5 349.4 0.07 33 200 12480 -52.7 -59.7 42 7.0 -52.9 300 3 349.3 349.3 296.5 349.6 0.06 34 190 12810 -55.7 -61.7 47 6.0 -55.8 271 3 349.7 349.7 296.6 349.9 0.05 35 186 12946 -56.3 -64.3 36 8.0 -56.5 258 2 350.8 350.8 296.8 351.0 0.04 36 175 13331 -59.7 -64.4 54 4.7 -59.8 223 2 351.4 351.4 297.0 351.6 0.04 37 165 13698 -62.7 -72.7 25 10.0 -62.8 190 2 352.3 352.3 297.1 352.4 0.01 38 150 14280 -67.5 -73.5 42 6.0 -67.5 135 1 353.8 353.8 297.4 353.9 0.01 39 135 14906 -72.7 -75.8 63 3.1 -72.7 109 4 355.4 355.4 297.8 355.5 0.01 40 100 16640 -79.1 -86.1 31 7.0 -79.1 35 11 374.9 374.9 301.4 374.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 571.35 mb = 4832.40 m = 15854.15 ft Wetbulb zero: 583.18 mb = 4649.80 m = 15255.05 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 87.75 % Est. max temperature: 29.20 C = 84.56 F Sfc-Lift cond lev (LCL): 945.88 mb = 587.46 m = 1927.35 ft T: 22.60 C 700-500 lapse rate: 5.47 C/km ThetaE index: 9.05 C Layer 925.0- 786.0 mb Conv cond level (CCL): 866.33 mb = 1349.64 m = 4427.91 ft Mean mixing ratio: 16.11 g/kg Conv temperature: 27.48 C = 81.47 F Cap Strength: 1.51 C Lifted Index: -1.99 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.76 C Lifted Index @700 mb: -0.63 C Showalter Index: -0.94 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 21.70 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 234.60 Risk: None Energy Index: -1.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 488.70 J/kg Max Up Vert Vel: 31.26 m/s Conv Inhibition (B-): 12.43 J/kg Cap Strength: 1.51 C Lift Cond Lev (LCL): 890.78 mb = 1109.17 m = 3638.97 ft Lev Free Conv (LFC): 845.78 mb = 1556.41 m = 5106.29 ft Equ Level (EL): 225.78 mb = 11686.11 m = 38339.79 ft B at Equ Level: 486.74 J/kg Max Parcel Lev (MPL): 115.78 mb = 15793.39 m = 51814.97 ft Wind level data Storm motion: 172 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 ---------------------------------------------------------- 0 958 476 315 1 0.7 -0.7 | 348 9 1.9 -9.1 1 925 782 240 1 0.9 0.5 | 346 8 2.0 -7.9 2 850 1514 120 11 -9.5 5.5 | 71 9 -8.3 -2.9 3 700 3155 150 15 -7.5 13.0 | 126 8 -6.3 4.5 4 500 5880 140 11 -7.1 8.4 | 90 6 -5.9 -0.0 5 400 7600 165 9 -2.3 8.7 | 102 1 -1.1 0.3 6 300 9720 190 9 1.6 8.9 | 261 3 2.7 0.4 7 250 11000 125 5 -4.1 2.9 | 28 6 -2.9 -5.6 8 200 12480 300 3 2.6 -1.5 | 339 11 3.8 -9.9 9 150 14280 135 1 -0.7 0.7 | 356 8 0.5 -7.7 10 100 16640 35 11 -6.3 -9.0 | 16 18 -5.1 -17.5 Wind Parameters Mean winds (0-6000m): 142.0 at 11.4 knts Storm direction: 172.0 at 8.5 knts Shear (0-3000m) pos: 1.1 neg: 2.0 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 133.8 deg Storm rel helicity (0-3000m) pos: 18.6 neg: -6.3 tot: 12.3 m^2/s^2 ave: 4.1 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 27.55 Bulk Shear: 17.74 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 ------------------------------------------------------------------------------- 500 236 2 342 8| 0.0 4.2 4.2| 0.0 -4.7 -4.6 -9.3 -0.54| 4.4 -2.4 1000 134 4 19 6| 0.0 5.9 5.9| 2.6 -5.3 -2.7 -2.7 0.11| 8.6 1.0 1500 125 7 43 6| 0.6 3.9 4.5| 6.5 -5.4 1.1 0.7 0.18| 6.7 1.2 2000 129 8 57 6| 1.0 3.0 3.9| 11.5 -5.4 6.1 3.0 0.27| 5.7 1.5 2500 134 9 71 6| 1.2 2.4 3.6| 16.8 -5.4 11.3 4.5 0.34| 5.1 1.7 3000 138 10 82 6| 1.1 2.0 3.1| 18.6 -6.3 12.3 4.1 0.34| 4.5 1.5 4000 141 11 92 6| 0.8 1.3 2.2| 18.6 -9.2 9.5 2.4 0.26| 3.6 0.9 5000 142 11 95 6| 0.6 1.0 1.6| 18.6 -11.8 6.9 1.4 0.20| 3.0 0.6 6000 142 11 95 6| 0.6 0.8 1.4| 19.2 -12.8 6.5 1.1 0.18| 2.7 0.5 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251015.00.gif