UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 28 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 1012 7 25.6 24.2 92 1.4 24.6 20 1 297.7 301.2 297.3 353.3 19.11 1 1000 111 25.6 23.1 86 2.5 23.8 40 7 298.8 302.0 297.0 351.5 18.07 2 998 129 25.8 22.9 84 2.9 23.7 43 7 299.1 302.4 296.9 351.4 17.89 3 925 796 21.6 20.1 91 1.5 20.5 140 7 301.4 304.4 296.4 349.1 16.22 4 906 976 20.2 19.5 96 0.7 19.7 149 7 301.8 304.7 296.4 348.8 15.94 5 863 1395 18.2 13.9 76 4.3 15.4 169 9 303.9 306.0 294.0 338.6 11.65 6 852 1506 19.4 7.4 46 12.0 12.1 174 9 306.3 307.7 291.5 329.3 7.60 7 850 1526 19.6 8.6 49 11.0 12.8 175 9 306.7 308.2 292.2 331.7 8.27 8 847 1557 19.6 10.6 56 9.0 13.8 177 9 307.0 308.8 293.3 335.8 9.52 9 806 1982 16.0 16.0 100 0.0 16.0 212 8 307.5 310.2 296.8 350.8 14.34 10 796 2089 15.4 15.2 99 0.2 15.3 221 8 308.0 310.6 296.5 349.7 13.78 11 700 3172 10.0 5.0 71 5.0 7.1 310 7 313.6 315.1 293.8 338.0 7.84 12 685 3352 9.2 3.2 66 6.0 5.8 305 7 314.6 316.0 293.5 336.7 7.05 13 683 3377 9.4 3.4 66 6.0 5.9 305 7 315.1 316.5 293.7 337.6 7.17 14 599 4451 0.8 -0.6 90 1.4 0.0 275 8 317.2 318.4 293.5 336.7 6.13 15 584 4654 -0.7 -2.3 89 1.6 -1.5 270 8 317.8 318.8 293.2 335.5 5.54 16 565 4919 -1.9 -5.0 79 3.1 -3.4 262 8 319.4 320.3 292.9 334.5 4.67 17 551 5119 -2.1 -10.1 54 8.0 -5.5 257 8 321.4 322.1 292.3 332.1 3.22 18 545 5206 -1.7 -16.7 31 15.0 -7.2 254 8 322.9 323.3 291.5 329.4 1.90 19 536 5339 -2.1 -30.1 10 28.0 -9.6 250 9 324.0 324.1 290.6 326.1 0.58 20 519 5595 -3.3 -26.3 15 23.0 -10.0 243 9 325.5 325.7 291.3 328.6 0.86 21 500 5890 -5.1 -29.1 13 24.0 -11.6 235 9 326.8 327.0 291.5 329.3 0.69 22 462 6504 -10.1 -37.1 9 27.0 -15.6 240 11 328.1 328.1 291.5 329.3 0.34 23 429 7071 -13.3 -26.3 33 13.0 -16.8 245 13 331.0 331.2 293.0 334.8 1.04 24 423 7178 -14.1 -24.1 42 10.0 -16.9 246 13 331.3 331.6 293.3 335.9 1.29 25 419 7250 -14.9 -17.8 78 2.9 -15.9 247 14 331.2 331.7 294.1 339.1 2.25 26 417 7286 -15.1 -19.3 70 4.2 -16.4 247 14 331.4 331.8 293.9 338.4 1.99 27 408 7451 -15.5 -30.5 26 15.0 -19.0 249 14 333.0 333.1 293.2 335.7 0.74 28 404 7525 -16.1 -25.1 46 9.0 -18.6 249 15 333.1 333.4 293.7 337.6 1.23 29 400 7600 -16.7 -26.7 42 10.0 -19.3 250 15 333.3 333.5 293.6 337.2 1.08 30 398 7638 -16.9 -32.9 24 16.0 -20.3 250 15 333.5 333.6 293.3 335.8 0.60 31 392 7751 -17.7 -26.7 45 9.0 -20.0 252 15 333.9 334.1 293.8 337.9 1.10 32 387 7847 -18.1 -30.1 34 12.0 -20.8 253 15 334.6 334.8 293.7 337.6 0.81 33 386 7866 -18.1 -43.1 9 25.0 -22.0 253 15 334.9 334.9 293.3 335.7 0.22 34 383 7924 -18.5 -32.5 28 14.0 -21.5 254 14 335.1 335.2 293.7 337.5 0.65 35 378 8022 -18.9 -34.9 23 16.0 -22.0 255 14 335.8 335.9 293.8 337.8 0.52 36 373 8121 -19.7 -25.7 59 6.0 -21.2 256 14 336.0 336.3 294.5 340.6 1.26 37 365 8281 -20.5 -35.5 25 15.0 -23.3 258 14 337.1 337.2 294.1 339.0 0.51 38 361 8362 -21.3 -26.3 64 5.0 -22.5 259 14 337.1 337.3 294.7 341.6 1.24 39 359 8403 -21.5 -37.5 22 16.0 -24.3 259 13 337.3 337.4 294.1 338.9 0.42 40 358 8424 -21.7 -28.7 53 7.0 -23.3 260 13 337.3 337.5 294.6 341.0 1.00 41 357 8444 -21.7 -38.7 20 17.0 -24.5 260 13 337.6 337.7 294.1 339.1 0.38 42 349 8610 -23.1 -25.4 81 2.3 -23.7 262 13 337.9 338.2 295.0 343.0 1.39 43 300 9700 -30.3 -36.3 56 6.0 -31.2 275 11 342.7 342.8 295.5 344.9 0.57 44 297 9771 -30.7 -37.7 50 7.0 -31.7 276 11 343.1 343.2 295.5 345.1 0.50 45 269 10466 -35.9 -46.9 31 11.0 -36.9 284 16 345.4 345.4 295.8 346.2 0.21 46 250 10970 -40.3 -44.0 68 3.7 -40.6 290 19 346.2 346.2 296.1 347.4 0.31 47 249 10997 -40.7 -44.2 69 3.5 -41.0 290 19 346.0 346.0 296.0 347.2 0.30 48 228 11594 -45.3 -50.3 57 5.0 -45.6 286 22 347.8 347.8 296.3 348.5 0.17 49 220 11833 -46.5 -57.5 28 11.0 -47.0 284 24 349.5 349.5 296.6 349.8 0.07 50 201 12428 -51.9 -59.9 38 8.0 -52.1 280 27 350.1 350.1 296.7 350.3 0.06 51 200 12460 -52.1 -60.1 38 8.0 -52.4 280 27 350.3 350.3 296.7 350.5 0.06 52 190 12790 -54.7 -71.7 11 17.0 -55.0 279 28 351.3 351.3 296.9 351.3 0.01 53 184 12995 -56.5 -62.5 47 6.0 -56.6 279 29 351.6 351.6 297.0 351.8 0.05 54 150 14260 -66.9 -71.4 53 4.5 -67.0 275 33 354.8 354.8 297.7 354.9 0.02 55 140 14671 -70.7 -74.3 59 3.6 -70.7 272 30 355.2 355.2 297.8 355.3 0.01 56 112 15965 -78.5 -83.5 44 5.0 -78.5 264 19 364.1 364.1 299.5 364.1 0.00 57 100 16610 -77.9 -84.9 31 7.0 -77.9 260 13 377.2 377.2 301.8 377.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 591.00 mb = 4559.30 m = 14958.16 ft Wetbulb zero: 598.53 mb = 4457.00 m = 14622.52 ft Precipitable water: 2.12 inches Sfc-500 mean rel hum: 73.04 % Est. max temperature: 31.99 C = 89.59 F Sfc-Lift cond lev (LCL): 992.06 mb = 181.17 m = 594.38 ft T: 25.47 C 700-500 lapse rate: 5.56 C/km ThetaE index: 23.97 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 913.87 mb = 901.03 m = 2956.11 ft Mean mixing ratio: 17.12 g/kg Conv temperature: 29.49 C = 85.07 F Cap Strength: 1.88 C Lifted Index: -2.31 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.14 C Lifted Index @700 mb: -0.68 C Showalter Index: 5.31 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 13.70 C K Index: 28.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 130.20 Risk: None Energy Index: -0.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 865.68 J/kg Max Up Vert Vel: 41.61 m/s Conv Inhibition (B-): 5.08 J/kg Cap Strength: 1.75 C Lift Cond Lev (LCL): 933.34 mb = 717.18 m = 2352.91 ft Lev Free Conv (LFC): 888.34 mb = 1145.78 m = 3759.08 ft Equ Level (EL): 858.34 mb = 1441.92 m = 4730.66 ft B at Equ Level: 7.50 J/kg Max Parcel Lev (MPL): 838.34 mb = 1644.78 m = 5396.20 ft Wind level data Storm motion: 270 at 6 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 1012 7 20 1 -0.3 -0.9 | 82 6 -6.2 -0.9 1 1000 111 40 7 -4.5 -5.4 | 63 12 -10.4 -5.3 2 925 796 140 7 -4.5 5.4 | 117 12 -10.4 5.4 3 850 1526 175 9 -0.8 9.0 | 143 11 -6.7 9.0 4 700 3172 310 7 5.4 -4.5 | 7 4 -0.5 -4.5 5 500 5890 235 9 7.4 5.2 | 196 5 1.5 5.2 6 400 7600 250 15 14.1 5.1 | 238 10 8.2 5.2 7 300 9700 275 11 11.0 -1.0 | 280 5 5.1 -0.9 8 250 10970 290 19 17.9 -6.5 | 298 14 12.0 -6.5 9 200 12460 280 27 26.6 -4.7 | 283 21 20.7 -4.6 10 150 14260 275 33 32.9 -2.9 | 276 27 27.0 -2.8 11 100 16610 260 13 12.8 2.3 | 252 7 6.9 2.3 Wind Parameters Mean winds (0-6000m): 240.4 at 7.8 knts Storm direction: 270.4 at 5.9 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): -91.9 deg Storm rel helicity (0-3000m) pos: 72.9 neg: -6.1 tot: 66.8 m^2/s^2 ave: 22.3 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 4.6 10^-3/s Energy-Hel index: 0.36 Bulk Rich Number: 32.43 Bulk Shear: 26.69 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 64 6 77 12| 7.1 0.0 7.1| 22.6 -6.1 16.4 32.9 0.30| 13.4 4.1 1000 102 7 97 13| 4.2 0.0 4.2| 43.3 -6.1 37.2 37.2 0.53| 10.1 5.3 1500 132 7 114 12| 3.4 0.0 3.4| 54.6 -6.1 48.4 32.3 0.60| 8.0 4.8 2000 153 8 126 12| 2.4 0.0 2.4| 65.7 -6.1 59.5 29.8 0.63| 7.6 4.8 2500 169 8 136 11| 1.7 0.0 1.7| 70.4 -6.1 64.2 25.7 0.63| 7.3 4.6 3000 174 8 139 10| 1.2 0.0 1.2| 72.9 -6.1 66.8 22.3 0.66| 7.0 4.6 4000 211 8 163 7| 0.9 0.2 1.2| 74.0 -8.2 65.8 16.5 0.57| 5.8 3.3 5000 242 8 194 4| 0.7 0.6 1.3| 74.0 -10.4 63.6 12.7 0.45| 5.1 2.3 6000 240 8 193 4| 0.6 0.8 1.4| 74.4 -13.2 61.3 10.2 0.37| 4.6 1.7 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250428.00.gif