UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 24 APR 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1007 8 24.8 23.1 90 1.7 23.6 115 9 297.4 300.6 296.5 349.4 17.95 1 1004 34 24.4 23.1 92 1.3 23.5 119 11 297.2 300.5 296.5 349.3 18.00 2 1000 69 25.0 23.3 90 1.7 23.8 125 13 298.1 301.5 296.9 351.4 18.30 3 932 691 26.6 17.6 58 9.0 20.3 188 29 305.8 308.4 296.0 346.9 13.71 4 925 758 26.2 18.2 61 8.0 20.6 195 31 306.1 308.8 296.4 349.2 14.36 5 850 1501 22.2 16.2 69 6.0 18.0 245 15 309.4 312.0 296.9 351.2 13.76 6 844 1563 21.8 16.8 73 5.0 18.3 246 15 309.6 312.3 297.4 353.5 14.41 7 761 2453 16.2 4.2 45 12.0 9.2 254 17 312.9 314.2 292.8 334.1 6.81 8 738 2714 14.0 8.0 67 6.0 10.2 256 18 313.2 315.0 294.7 341.6 9.16 9 700 3158 10.8 4.8 66 6.0 7.2 260 19 314.4 315.9 294.0 338.6 7.73 10 693 3242 10.6 1.6 54 9.0 5.5 259 19 315.1 316.3 293.0 334.7 6.21 11 642 3873 5.2 3.1 86 2.1 4.0 252 18 316.0 317.4 294.2 339.5 7.47 12 641 3885 5.2 3.1 86 2.1 4.0 252 18 316.1 317.5 294.3 339.7 7.49 13 590 4560 3.2 -4.8 56 8.0 -0.8 245 17 321.4 322.3 293.4 336.2 4.54 14 543 5227 -2.1 -6.8 70 4.7 -4.3 237 16 322.8 323.6 293.5 336.7 4.23 15 529 5435 -2.5 -5.6 79 3.1 -4.0 235 16 324.7 325.7 294.4 340.5 4.77 16 525 5495 -2.5 -13.5 43 11.0 -7.0 234 16 325.4 325.9 292.8 334.1 2.57 17 522 5541 -3.1 -8.0 69 4.9 -5.4 234 16 325.2 326.0 294.0 338.6 4.01 18 505 5802 -5.3 -6.9 88 1.6 -6.1 231 15 325.6 326.5 294.5 340.6 4.52 19 504 5817 -5.3 -10.3 68 5.0 -7.5 231 15 325.8 326.5 293.7 337.5 3.47 20 500 5880 -5.7 -9.3 76 3.6 -7.3 230 15 326.1 326.8 294.0 338.8 3.78 21 494 5975 -6.5 -7.6 92 1.1 -7.0 232 15 326.2 327.1 294.5 340.8 4.38 22 487 6086 -7.1 -11.2 72 4.1 -8.8 235 15 326.8 327.5 293.9 338.1 3.34 23 484 6135 -7.5 -9.1 88 1.6 -8.2 236 15 326.9 327.7 294.4 340.2 3.97 24 473 6314 -7.9 -17.9 44 10.0 -11.5 240 15 328.6 329.0 293.2 335.5 1.98 25 459 6547 -9.9 -12.2 83 2.3 -10.8 245 16 328.9 329.6 294.3 340.0 3.27 26 450 6700 -11.1 -18.1 56 7.0 -13.5 249 16 329.3 329.7 293.4 336.4 2.04 27 448 6734 -11.5 -16.5 66 5.0 -13.3 250 16 329.2 329.7 293.6 337.3 2.35 28 437 6925 -12.3 -36.3 12 24.0 -17.2 254 16 330.5 330.6 292.3 332.0 0.39 29 419 7246 -13.5 -28.5 27 15.0 -17.3 262 17 333.0 333.2 293.4 336.2 0.87 30 415 7319 -13.3 -22.3 47 9.0 -16.1 263 17 334.2 334.5 294.3 339.7 1.54 31 411 7393 -12.5 -43.5 6 31.0 -18.0 265 17 336.1 336.2 293.6 336.9 0.20 32 400 7600 -14.1 -32.1 20 18.0 -18.3 270 17 336.7 336.8 294.1 339.1 0.65 33 365 8285 -20.1 -33.1 30 13.0 -22.8 270 18 337.6 337.7 294.3 340.0 0.64 34 353 8532 -21.9 -32.9 36 11.0 -24.1 270 19 338.4 338.5 294.6 341.0 0.68 35 348 8636 -22.3 -26.1 71 3.8 -23.2 270 19 339.3 339.5 295.3 344.1 1.31 36 344 8721 -23.1 -27.8 65 4.7 -24.2 270 19 339.3 339.5 295.1 343.5 1.13 37 342 8764 -23.1 -38.1 24 15.0 -25.6 270 19 339.9 339.9 294.7 341.5 0.42 38 334 8936 -23.7 -48.7 8 25.0 -26.7 270 20 341.3 341.4 294.8 341.9 0.14 39 330 9024 -24.3 -46.3 11 22.0 -27.1 270 20 341.7 341.7 294.9 342.4 0.18 40 328 9068 -24.7 -35.7 35 11.0 -26.6 270 20 341.7 341.9 295.3 343.9 0.56 41 325 9135 -25.1 -40.1 23 15.0 -27.4 270 20 342.1 342.2 295.1 343.5 0.36 42 320 9247 -25.9 -40.9 23 15.0 -28.1 270 20 342.5 342.6 295.3 343.8 0.33 43 317 9315 -26.7 -32.7 57 6.0 -27.9 270 20 342.3 342.5 295.6 345.3 0.77 44 306 9569 -28.7 -33.2 65 4.5 -29.5 270 21 343.0 343.1 295.7 345.9 0.76 45 300 9710 -29.7 -33.5 69 3.8 -30.4 270 21 343.5 343.7 295.8 346.4 0.75 46 294 9854 -30.9 -34.0 74 3.1 -31.4 268 21 343.8 344.0 295.9 346.6 0.73 47 271 10430 -35.3 -41.3 54 6.0 -36.0 262 22 345.5 345.6 296.0 347.0 0.38 48 265 10587 -36.3 -52.3 18 16.0 -37.5 260 22 346.3 346.3 295.9 346.8 0.11 49 250 10990 -39.7 -52.7 24 13.0 -40.6 255 23 347.0 347.1 296.1 347.5 0.12 50 221 11817 -45.9 -54.9 35 9.0 -46.3 255 19 350.0 350.0 296.7 350.4 0.10 51 200 12470 -51.5 -56.4 56 4.9 -51.7 255 15 351.2 351.2 297.0 351.6 0.09 52 181 13109 -57.3 -60.3 69 3.0 -57.4 253 14 351.9 351.9 297.1 352.2 0.06 53 179 13179 -57.5 -63.5 46 6.0 -57.6 253 13 352.7 352.7 297.3 352.9 0.04 54 167 13613 -61.3 -63.4 76 2.1 -61.3 252 12 353.5 353.5 297.4 353.7 0.05 55 153 14150 -65.7 -67.7 76 2.0 -65.7 250 11 354.9 354.9 297.7 355.0 0.03 56 150 14270 -66.7 -69.9 64 3.2 -66.7 250 11 355.2 355.2 297.7 355.3 0.02 57 136 14859 -70.7 -79.7 25 9.0 -70.8 278 11 358.2 358.2 298.4 358.2 0.01 58 135 14903 -71.1 -80.1 25 9.0 -71.1 280 10 358.2 358.2 298.4 358.3 0.00 59 100 16650 -78.9 -85.9 31 7.0 -78.9 5 9 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5811.00 m Freezing level: 561.62 mb = 4962.90 m = 16282.28 ft Wetbulb zero: 598.50 mb = 4443.83 m = 14579.33 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 67.02 % Est. max temperature: 36.55 C = 97.79 F Sfc-Lift cond lev (LCL): 982.78 mb = 222.51 m = 730.01 ft T: 25.39 C 700-500 lapse rate: 6.06 C/km ThetaE index: 19.36 C Layer 761.0- 738.0 mb Conv cond level (CCL): 766.67 mb = 2389.31 m = 7838.86 ft Mean mixing ratio: 15.68 g/kg Conv temperature: 40.10 C = 104.18 F Cap Strength: 5.03 C Lifted Index: -2.50 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.95 C Lifted Index @700 mb: 0.41 C Showalter Index: -3.20 C Risk: Severe thunderstorms possible Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.90 C Cross Totals Index: 21.90 C K Index: 38.10 Risk: > 80 % chance of thunderstorms Sweat Index: 255.40 Risk: None Energy Index: -2.46 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 448.52 J/kg Max Up Vert Vel: 29.95 m/s Conv Inhibition (B-): 267.53 J/kg Cap Strength: 5.03 C Lift Cond Lev (LCL): 880.16 mb = 1194.62 m = 3919.32 ft Lev Free Conv (LFC): 675.16 mb = 3456.96 m = 11341.61 ft Equ Level (EL): 235.16 mb = 11400.50 m = 37402.75 ft B at Equ Level: 443.26 J/kg Max Parcel Lev (MPL): 125.16 mb = 15343.42 m = 50338.69 ft Wind level data Storm motion: 265 at 14 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 1007 8 115 9 -8.2 3.8 | 97 22 -21.7 2.7 1 1000 69 125 13 -10.6 7.5 | 105 25 -24.2 6.4 2 925 758 195 31 8.0 29.9 | 169 29 -5.6 28.9 3 850 1501 245 15 13.6 6.3 | 180 5 0.0 5.3 4 700 3158 260 19 18.7 3.3 | 247 6 5.1 2.2 5 500 5880 230 15 11.5 9.6 | 166 9 -2.1 8.6 6 400 7600 270 17 17.0 -0.0 | 287 4 3.4 -1.1 7 300 9710 270 21 21.0 -0.0 | 278 8 7.4 -1.1 8 250 10990 255 23 22.2 6.0 | 241 10 8.6 4.9 9 200 12470 255 15 14.5 3.9 | 198 3 0.9 2.8 10 150 14270 250 11 10.3 3.8 | 130 4 -3.2 2.7 11 100 16650 5 9 -0.8 -9.0 | 55 18 -14.4 -10.0 Wind Parameters Mean winds (0-6000m): 235.5 at 18.2 knts Storm direction: 265.5 at 13.6 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 143.9 deg Storm rel helicity (0-3000m) pos: 305.1 neg: -1.6 tot: 303.5 m^2/s^2 ave: 101.2 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 7.9 10^-3/s Energy-Hel index: 0.84 Bulk Rich Number: 5.90 Bulk Shear: 75.96 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 ------------------------------------------------------------------------------- 500 152 18 124 26| 21.2 0.0 21.2|150.2 0.0 150.2 300.5 0.92| 23.6 21.7 1000 183 23 151 25| 14.5 0.0 14.5|287.7 0.0 287.7 287.7 0.86| 23.7 20.4 1500 194 22 158 22| 7.5 0.0 7.5|298.2 -1.6 296.5 197.7 0.66| 21.2 14.1 2000 205 20 164 18| 6.0 0.0 6.0|300.4 -1.6 298.8 149.4 0.67| 16.4 11.0 2500 214 20 170 15| 5.1 0.0 5.1|302.7 -1.6 301.0 120.4 0.68| 13.5 9.2 3000 222 19 178 13| 4.5 0.0 4.5|305.1 -1.6 303.5 101.2 0.69| 11.5 7.9 4000 232 19 188 11| 3.4 0.3 3.7|305.6 -6.2 299.5 74.9 0.62| 9.1 5.6 5000 235 19 190 10| 2.7 0.6 3.4|305.6 -11.7 293.9 58.8 0.54| 7.7 4.1 6000 235 18 189 9| 2.3 0.7 3.0|306.5 -16.5 289.9 48.3 0.49| 6.7 3.3 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250424.00.gif