UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:1200Z 17 DEC 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 1011 19 26.8 22.3 76 4.5 23.6 275 1 299.0 302.1 296.3 348.6 17.00 1 1007 48 27.6 20.6 66 7.0 22.6 271 2 300.2 303.0 295.5 345.1 15.34 2 1000 99 27.0 21.0 70 6.0 22.7 265 3 300.1 303.0 295.8 346.6 15.85 3 925 786 22.4 20.3 88 2.1 20.9 110 1 302.2 305.2 296.8 350.7 16.42 4 879 1230 20.0 18.3 90 1.7 18.8 47 8 304.2 307.0 296.5 349.5 15.23 5 850 1519 18.0 15.6 86 2.4 16.4 5 13 305.0 307.5 295.4 344.5 13.23 6 763 2438 13.4 7.4 67 6.0 9.7 44 13 309.6 311.2 293.2 335.6 8.50 7 737 2729 10.8 8.2 84 2.6 9.2 56 13 309.8 311.6 293.9 338.3 9.30 8 700 3159 9.6 4.6 71 5.0 6.6 75 13 313.1 314.6 293.5 336.8 7.62 9 673 3485 8.2 2.2 66 6.0 4.8 83 12 315.1 316.4 293.3 336.1 6.68 10 669 3535 8.2 1.2 61 7.0 4.3 84 12 315.6 316.8 293.2 335.4 6.25 11 630 4029 5.0 -4.0 52 9.0 0.5 95 10 317.4 318.3 292.3 332.0 4.52 12 621 4146 4.2 -1.8 65 6.0 1.1 98 10 317.8 318.9 293.1 335.1 5.40 13 606 4345 3.2 -6.8 48 10.0 -1.5 103 10 318.9 319.6 292.0 331.3 3.79 14 582 4672 0.4 -7.6 55 8.0 -3.3 111 9 319.4 320.1 292.1 331.5 3.71 15 575 4769 -0.3 -2.6 84 2.3 -1.5 113 8 319.6 320.7 293.7 337.4 5.50 16 570 4839 0.0 -6.0 64 6.0 -2.9 115 8 320.8 321.6 293.0 334.8 4.29 17 533 5375 -3.3 -12.3 50 9.0 -7.0 128 7 323.1 323.6 292.4 332.4 2.79 18 524 5510 -3.7 -10.7 58 7.0 -6.7 131 6 324.2 324.8 293.0 334.9 3.23 19 521 5555 -4.1 -6.4 84 2.3 -5.2 132 6 324.2 325.1 294.1 339.2 4.55 20 512 5693 -4.1 -15.1 42 11.0 -8.4 135 6 325.8 326.3 292.7 333.7 2.31 21 500 5880 -5.1 -13.1 53 8.0 -8.4 140 5 326.8 327.4 293.4 336.3 2.79 22 494 5975 -5.5 -12.5 58 7.0 -8.4 144 5 327.5 328.1 293.7 337.5 2.96 23 480 6200 -5.9 -10.0 73 4.1 -7.7 154 5 329.7 330.4 294.9 342.3 3.73 24 472 6331 -6.5 -13.5 58 7.0 -9.4 159 6 330.5 331.1 294.4 340.4 2.86 25 466 6431 -7.1 -12.1 67 5.0 -9.2 164 6 331.0 331.6 294.8 342.1 3.25 26 463 6481 -7.5 -17.5 45 10.0 -11.2 166 6 331.1 331.5 293.9 338.4 2.09 27 448 6736 -9.7 -18.7 48 9.0 -12.8 177 6 331.5 331.9 293.9 338.3 1.95 28 436 6945 -11.3 -13.8 82 2.5 -12.3 186 6 332.0 332.6 294.9 342.4 3.02 29 426 7123 -12.5 -21.5 47 9.0 -15.3 194 6 332.7 333.0 293.9 338.4 1.61 30 418 7267 -13.5 -15.9 82 2.4 -14.4 200 7 333.2 333.8 294.9 342.5 2.65 31 405 7506 -15.7 -16.5 94 0.8 -16.0 211 7 333.4 333.9 294.9 342.5 2.60 32 404 7525 -15.9 -16.9 92 1.0 -16.3 212 7 333.4 333.9 294.8 342.2 2.52 33 400 7600 -16.1 -18.5 82 2.4 -16.9 215 7 334.1 334.5 294.8 341.9 2.22 34 397 7657 -15.5 -28.5 32 13.0 -18.8 215 7 335.6 335.8 294.1 339.0 0.92 35 391 7772 -16.3 -24.3 50 8.0 -18.6 214 8 336.0 336.3 294.6 341.0 1.37 36 385 7888 -16.5 -25.5 46 9.0 -19.0 213 8 337.2 337.5 294.7 341.8 1.25 37 380 7986 -16.9 -18.5 87 1.6 -17.4 212 8 337.9 338.4 295.8 346.3 2.34 38 372 8146 -17.9 -25.9 50 8.0 -20.1 211 9 338.7 338.9 295.1 343.3 1.25 39 367 8247 -18.9 -21.4 81 2.5 -19.7 211 9 338.7 339.1 295.6 345.5 1.89 40 344 8727 -21.5 -34.5 30 13.0 -24.1 207 11 341.5 341.6 295.2 343.8 0.60 41 329 9054 -24.1 -43.1 16 19.0 -26.8 205 12 342.3 342.3 295.1 343.3 0.26 42 313 9415 -27.1 -37.1 38 10.0 -28.7 202 14 343.0 343.1 295.5 345.0 0.51 43 300 9720 -29.3 -42.3 27 13.0 -31.0 200 15 344.1 344.1 295.6 345.3 0.31 44 284 10107 -31.7 -49.7 15 18.0 -33.4 197 17 346.1 346.1 295.9 346.7 0.14 45 273 10384 -33.7 -48.7 21 15.0 -35.1 195 19 347.1 347.1 296.1 347.8 0.17 46 250 10990 -39.5 -48.5 38 9.0 -40.2 190 23 347.3 347.4 296.2 348.1 0.19 47 232 11499 -44.1 -49.1 57 5.0 -44.5 190 23 347.9 347.9 296.3 348.6 0.19 48 229 11586 -44.9 -52.9 40 8.0 -45.3 190 23 347.9 348.0 296.3 348.5 0.12 49 216 11976 -48.1 -51.7 66 3.6 -48.3 190 23 348.8 348.9 296.5 349.5 0.15 50 200 12480 -52.7 -59.7 42 7.0 -52.9 190 23 349.3 349.3 296.5 349.6 0.06 51 192 12741 -55.1 -62.1 42 7.0 -55.3 186 25 349.6 349.6 296.6 349.8 0.05 52 189 12841 -55.7 -66.7 24 11.0 -55.9 184 26 350.2 350.2 296.7 350.3 0.03 53 182 13080 -57.9 -64.9 40 7.0 -58.0 180 29 350.4 350.4 296.7 350.5 0.03 54 177 13254 -59.3 -73.3 15 14.0 -59.5 177 30 350.9 350.9 296.8 351.0 0.01 55 150 14270 -66.7 -81.7 10 15.0 -66.8 160 40 355.2 355.2 297.7 355.2 0.00 56 149 14310 -66.9 -81.9 10 15.0 -67.0 161 39 355.5 355.5 297.8 355.5 0.00 57 100 16620 -83.5 -89.5 34 6.0 -83.5 245 9 366.4 366.4 299.9 366.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 578.00 mb = 4727.41 m = 15509.68 ft Freezing level: 570.00 mb = 4839.14 m = 15876.25 ft Freezing level: 570.00 mb = 4839.14 m = 15876.25 ft Wetbulb zero: 614.75 mb = 4228.58 m = 13873.14 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 69.42 % Est. max temperature: 32.49 C = 90.48 F Sfc-Lift cond lev (LCL): 947.20 mb = 576.97 m = 1892.91 ft T: 23.80 C 700-500 lapse rate: 5.40 C/km ThetaE index: 15.13 C Layer 879.0- 737.0 mb Conv cond level (CCL): 863.14 mb = 1386.64 m = 4549.27 ft Mean mixing ratio: 16.12 g/kg Conv temperature: 32.42 C = 90.36 F Cap Strength: 1.71 C Lifted Index: -1.69 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.20 C Lifted Index @700 mb: -0.62 C Showalter Index: -0.14 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.70 C K Index: 33.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 218.20 Risk: None Energy Index: -1.63 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 320.93 J/kg Max Up Vert Vel: 25.34 m/s Conv Inhibition (B-): 38.74 J/kg Cap Strength: 1.71 C Lift Cond Lev (LCL): 906.11 mb = 965.37 m = 3167.18 ft Lev Free Conv (LFC): 761.11 mb = 2458.73 m = 8066.60 ft Equ Level (EL): 291.11 mb = 9932.36 m = 32586.09 ft B at Equ Level: 319.19 J/kg Max Parcel Lev (MPL): 141.11 mb = 14625.30 m = 47982.69 ft Wind level data Storm motion: 94 at 7 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 1011 19 275 1 1.0 -0.1 | 274 8 7.6 -0.6 1 1000 99 265 3 3.0 0.3 | 271 10 9.6 -0.2 2 925 786 110 1 -0.9 0.3 | 271 6 5.7 -0.1 3 850 1519 5 13 -1.1 -13.0 | 338 15 5.5 -13.4 4 700 3159 75 13 -12.6 -3.4 | 57 7 -5.9 -3.8 5 500 5880 140 5 -3.2 3.8 | 226 5 3.4 3.3 6 400 7600 215 7 4.0 5.7 | 244 12 10.7 5.3 7 300 9720 200 15 5.1 14.1 | 221 18 11.8 13.6 8 250 10990 190 23 4.0 22.7 | 206 25 10.6 22.2 9 200 12480 190 23 4.0 22.7 | 206 25 10.6 22.2 10 150 14270 160 40 -13.7 37.6 | 169 38 -7.0 37.1 11 100 16620 245 9 8.2 3.8 | 257 15 14.8 3.3 Wind Parameters Mean winds (0-6000m): 64.1 at 8.9 knts Storm direction: 94.1 at 6.7 knts Shear (0-3000m) pos: 2.4 neg: 2.2 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 132.7 deg Storm rel helicity (0-3000m) pos: 42.9 neg: -15.2 tot: 27.7 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 2.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 19.33 Bulk Shear: 16.60 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 ------------------------------------------------------------------------------- 500 240 2 266 9| 0.0 2.3 2.3| 0.2 -5.8 -5.6 -11.1 -0.41| 6.0 -2.5 1000 243 2 267 9| 0.0 3.0 3.0| 3.9 -5.8 -1.9 -1.9 0.09| 5.9 0.5 1500 358 4 306 8| 0.0 4.5 4.5| 6.1 -15.2 -9.0 -6.0 0.02| 8.7 0.2 2000 8 7 321 9| 1.2 3.4 4.6| 21.1 -15.2 5.9 3.0 0.16| 7.8 1.2 2500 19 8 332 9| 1.9 2.7 4.6| 33.1 -15.2 17.9 7.2 0.25| 7.2 1.8 3000 29 9 344 8| 2.4 2.2 4.6| 42.9 -15.2 27.7 9.2 0.33| 6.8 2.3 4000 47 10 3 7| 2.2 1.7 3.8| 50.4 -15.2 35.3 8.8 0.39| 5.9 2.3 5000 59 9 15 6| 1.8 1.3 3.1| 54.2 -15.2 39.1 7.8 0.45| 5.2 2.3 6000 64 9 17 5| 1.5 1.1 2.6| 57.3 -15.2 42.1 7.0 0.47| 4.7 2.2 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251217.12.gif