UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 31 OCT 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 1016 4 24.4 22.2 88 2.2 22.8 50 15 296.2 299.2 295.4 344.7 16.81 1 1000 142 23.2 21.8 92 1.4 22.2 50 23 296.4 299.4 295.4 344.4 16.66 2 957 525 20.4 20.4 100 0.0 20.4 70 23 297.3 300.2 295.1 343.4 15.96 3 953 562 20.2 20.2 100 0.0 20.2 72 23 297.4 300.3 295.1 343.2 15.83 4 925 820 20.0 19.9 99 0.1 19.9 85 23 299.8 302.7 295.8 346.6 16.01 5 876 1291 19.0 17.7 92 1.3 18.1 104 15 303.4 306.1 296.0 347.1 14.70 6 850 1550 17.4 17.4 100 0.0 17.4 115 11 304.4 307.1 296.3 348.7 14.87 7 750 2615 12.8 10.9 88 1.9 11.6 163 8 310.5 312.6 295.3 344.1 10.99 8 700 3195 10.8 6.8 76 4.0 8.3 190 7 314.4 316.1 294.8 342.2 8.90 9 696 3243 10.6 6.2 74 4.4 7.9 190 7 314.7 316.4 294.7 341.5 8.58 10 613 4289 3.8 2.5 91 1.3 3.1 186 7 318.6 320.0 294.9 342.4 7.50 11 607 4369 4.2 1.0 80 3.2 2.4 186 7 319.9 321.2 294.7 341.7 6.80 12 520 5610 -4.7 -4.7 100 0.0 -4.7 181 7 323.7 324.7 294.5 340.7 5.20 13 516 5671 -3.5 -5.8 84 2.3 -4.6 181 7 325.8 326.8 294.7 341.8 4.81 14 500 5920 -4.5 -7.6 79 3.1 -6.0 180 7 327.6 328.4 294.8 342.0 4.32 15 490 6079 -4.9 -11.9 58 7.0 -7.9 176 7 329.0 329.6 294.2 339.6 3.14 16 485 6160 -4.5 -20.5 27 16.0 -10.0 174 7 330.4 330.7 293.3 335.9 1.54 17 484 6177 -4.5 -18.5 33 14.0 -9.6 173 7 330.6 331.0 293.6 337.1 1.84 18 482 6209 -4.9 -12.9 53 8.0 -8.2 173 7 330.5 331.1 294.4 340.6 2.94 19 478 6275 -5.5 -12.5 58 7.0 -8.5 171 7 330.6 331.2 294.6 341.1 3.06 20 468 6441 -6.9 -13.9 57 7.0 -9.7 167 6 330.8 331.4 294.4 340.4 2.79 21 459 6592 -7.7 -24.7 24 17.0 -12.8 163 6 331.7 331.9 293.3 335.7 1.12 22 451 6729 -8.9 -11.0 85 2.1 -9.8 159 6 331.8 332.6 295.4 344.4 3.67 23 443 6868 -10.1 -11.5 89 1.4 -10.7 156 6 332.0 332.7 295.3 344.3 3.58 24 409 7481 -13.5 -15.8 83 2.3 -14.4 139 5 335.3 335.9 295.5 344.9 2.73 25 405 7555 -13.9 -20.9 55 7.0 -16.2 138 5 335.7 336.1 294.8 342.1 1.79 26 403 7593 -13.9 -28.9 27 15.0 -17.7 137 5 336.2 336.4 294.2 339.4 0.87 27 400 7650 -14.3 -34.3 17 20.0 -18.7 135 5 336.4 336.5 293.9 338.4 0.52 28 399 7669 -14.3 -36.3 14 22.0 -18.8 136 5 336.6 336.7 293.9 338.3 0.43 29 397 7707 -14.5 -33.5 18 19.0 -18.7 138 5 336.9 337.0 294.1 339.0 0.57 30 395 7745 -14.9 -19.9 66 5.0 -16.6 140 5 336.8 337.2 295.3 344.0 2.00 31 393 7784 -15.1 -19.2 71 4.1 -16.5 141 5 337.1 337.5 295.4 344.7 2.13 32 371 8217 -18.1 -25.1 54 7.0 -20.0 162 6 338.7 339.0 295.2 343.6 1.34 33 360 8442 -20.3 -22.7 81 2.4 -21.0 173 6 338.7 339.0 295.5 344.9 1.72 34 300 9770 -29.1 -42.1 27 13.0 -30.8 240 7 344.4 344.4 295.7 345.6 0.31 35 294 9913 -29.9 -45.9 20 16.0 -31.7 245 7 345.2 345.3 295.8 346.1 0.21 36 276 10357 -34.1 -46.1 29 12.0 -35.3 261 8 345.5 345.5 295.8 346.4 0.22 37 272 10459 -34.9 -40.9 54 6.0 -35.6 264 8 345.7 345.8 296.0 347.3 0.39 38 270 10510 -34.9 -51.9 16 17.0 -36.2 266 8 346.5 346.5 296.0 347.0 0.12 39 263 10692 -36.1 -43.1 48 7.0 -36.8 272 8 347.3 347.4 296.3 348.6 0.32 40 259 10798 -36.9 -51.9 20 15.0 -38.0 276 9 347.7 347.7 296.3 348.2 0.12 41 251 11013 -38.7 -53.7 19 15.0 -39.7 284 9 348.1 348.2 296.3 348.6 0.10 42 250 11040 -38.9 -53.9 19 15.0 -39.9 285 9 348.2 348.3 296.3 348.7 0.10 43 228 11665 -44.9 -48.0 71 3.1 -45.1 258 8 348.4 348.4 296.5 349.3 0.22 44 225 11754 -45.7 -49.4 66 3.7 -45.9 254 8 348.5 348.5 296.5 349.2 0.19 45 222 11844 -46.1 -53.1 45 7.0 -46.4 250 8 349.2 349.2 296.5 349.7 0.12 46 218 11964 -47.3 -51.3 63 4.0 -47.5 245 8 349.2 349.2 296.6 349.8 0.16 47 207 12306 -50.1 -54.8 58 4.7 -50.3 230 7 350.0 350.0 296.7 350.4 0.11 48 202 12465 -51.3 -63.3 23 12.0 -51.6 223 7 350.5 350.5 296.8 350.7 0.04 49 200 12530 -51.9 -63.9 22 12.0 -52.2 220 7 350.6 350.6 296.8 350.7 0.04 50 184 13062 -56.3 -61.3 53 5.0 -56.4 262 8 351.9 351.9 297.1 352.1 0.05 51 171 13521 -60.3 -67.3 39 7.0 -60.4 299 8 352.7 352.7 297.3 352.8 0.03 52 155 14123 -65.9 -70.9 50 5.0 -66.0 348 9 353.2 353.2 297.3 353.3 0.02 53 150 14320 -67.3 -72.3 49 5.0 -67.4 5 9 354.2 354.2 297.5 354.2 0.01 54 132 15083 -73.3 -77.4 53 4.1 -73.3 343 10 356.6 356.6 298.0 356.7 0.01 55 100 16670 -83.9 -88.8 42 4.9 -83.9 295 11 365.6 365.6 299.8 365.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5778.00 m Freezing level: 565.94 mb = 4954.83 m = 16255.81 ft Wetbulb zero: 577.52 mb = 4768.62 m = 15644.90 ft Precipitable water: 2.44 inches Sfc-500 mean rel hum: 89.61 % Est. max temperature: 32.02 C = 89.63 F Sfc-Lift cond lev (LCL): 984.30 mb = 280.01 m = 918.66 ft T: 22.19 C 700-500 lapse rate: 5.61 C/km ThetaE index: 7.14 C Layer 750.0- 613.0 mb Conv cond level (CCL): 962.38 mb = 476.40 m = 1562.96 ft Mean mixing ratio: 16.21 g/kg Conv temperature: 25.35 C = 77.63 F Cap Strength: 1.76 C Lifted Index: 0.46 C Risk: Showers probable Lifted Index @300 mb: 2.29 C Lifted Index @700 mb: 1.76 C Showalter Index: -1.06 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 21.90 C K Index: 35.30 Risk: > 80 % chance of thunderstorms Sweat Index: 237.80 Risk: None Energy Index: -1.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.37 J/kg Max Up Vert Vel: 8.76 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.78 C Lift Cond Lev (LCL): 956.90 mb = 526.13 m = 1726.11 ft Lev Free Conv (LFC): 951.90 mb = 571.56 m = 1875.16 ft Equ Level (EL): 941.90 mb = 663.08 m = 2175.44 ft B at Equ Level: 16.25 J/kg Max Parcel Lev (MPL): 881.90 mb = 1232.62 m = 4043.99 ft Wind level data Storm motion: 156 at 8 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 1016 4 50 15 -11.5 -9.6 | 26 19 -8.2 -17.0 1 1000 142 50 23 -17.6 -14.8 | 33 26 -14.3 -22.1 2 925 820 85 23 -22.9 -2.0 | 65 22 -19.6 -9.3 3 850 1550 115 11 -10.0 4.6 | 68 7 -6.7 -2.7 4 700 3195 190 7 1.2 6.9 | 276 5 4.5 -0.4 5 500 5920 180 7 0.0 7.0 | 276 3 3.3 -0.3 6 400 7650 135 5 -3.5 3.5 | 4 4 -0.3 -3.8 7 300 9770 240 7 6.1 3.5 | 292 10 9.3 -3.8 8 250 11040 285 9 8.7 -2.3 | 309 15 12.0 -9.7 9 200 12530 220 7 4.5 5.4 | 284 8 7.8 -2.0 10 150 14320 5 9 -0.8 -9.0 | 351 16 2.5 -16.3 11 100 16670 295 11 10.0 -4.6 | 312 18 13.2 -12.0 Wind Parameters Mean winds (0-6000m): 125.9 at 10.7 knts Storm direction: 155.9 at 8.0 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): -117.9 deg Storm rel helicity (0-3000m) pos: 116.2 neg: -1.1 tot: 115.1 m^2/s^2 ave: 38.4 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 4.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.68 Bulk Shear: 56.19 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 57 22 38 24| 10.3 0.0 10.3| 63.0 0.0 63.0 126.1 0.68| 15.0 10.1 1000 69 22 49 23| 7.0 0.0 7.0|107.9 0.0 107.9 107.9 0.70| 12.9 9.0 1500 77 20 54 20| 4.9 0.0 4.9|112.3 -1.1 111.3 74.2 0.52| 12.1 6.2 2000 83 18 56 17| 4.5 0.0 4.5|114.3 -1.1 113.2 56.6 0.49| 10.2 5.0 2500 89 16 59 15| 4.0 0.0 4.0|115.3 -1.1 114.2 45.7 0.50| 9.0 4.5 3000 94 15 61 13| 3.5 0.0 3.5|116.2 -1.1 115.1 38.4 0.51| 8.1 4.1 4000 104 13 65 10| 2.7 0.0 2.7|116.8 -1.1 115.6 28.9 0.50| 6.3 3.1 5000 115 12 72 8| 2.1 0.1 2.2|116.8 -1.1 115.6 23.1 0.50| 5.1 2.5 6000 126 11 79 6| 1.8 0.1 1.9|116.9 -1.1 115.7 19.3 0.49| 4.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251031.00.gif