UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 19 OCT 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 65 0 0 SFC 999 74 24.4 23.3 94 1.1 23.6 0 0 297.6 301.0 296.8 350.8 18.32 2 998 83 25.2 23.8 92 1.4 24.2 356 0 298.5 302.0 297.4 353.7 18.92 3 925 755 21.8 20.8 94 1.0 21.1 240 8 301.6 304.7 297.0 351.6 16.95 4 850 1482 17.6 16.8 95 0.8 17.1 115 1 304.6 307.2 296.0 347.2 14.31 5 723 2850 10.4 9.3 93 1.1 9.7 108 11 311.1 313.0 294.9 342.5 10.23 6 720 2884 11.6 8.6 82 3.0 9.7 110 11 312.8 314.7 295.1 343.1 9.79 7 700 3120 10.6 6.7 77 3.9 8.2 105 11 314.2 315.9 294.7 341.7 8.83 8 698 3144 10.6 6.2 74 4.4 7.9 104 11 314.5 316.1 294.6 341.2 8.55 9 570 4800 0.0 -1.5 90 1.5 -0.8 105 13 320.8 322.0 294.4 340.2 6.03 10 540 5232 -2.1 -7.0 69 4.9 -4.4 105 14 323.3 324.1 293.6 337.1 4.19 11 507 5731 -4.9 -9.9 68 5.0 -7.1 109 14 325.8 326.5 293.7 337.7 3.56 12 502 5809 -5.1 -11.1 63 6.0 -7.7 110 14 326.4 327.1 293.7 337.5 3.26 13 500 5840 -5.3 -10.3 68 5.0 -7.5 110 14 326.6 327.3 293.9 338.3 3.49 14 497 5887 -5.7 -7.4 88 1.7 -6.5 110 14 326.7 327.5 294.7 341.4 4.42 15 467 6376 -7.5 -8.6 92 1.1 -8.0 107 14 330.3 331.1 295.4 344.8 4.28 16 405 7475 -13.7 -15.5 86 1.8 -14.4 101 15 336.0 336.6 295.7 345.9 2.83 17 400 7570 -14.3 -16.5 83 2.2 -15.1 100 15 336.4 336.9 295.7 345.7 2.63 18 316 9324 -25.7 -29.4 71 3.7 -26.5 106 15 344.0 344.2 296.2 348.0 1.06 19 300 9700 -28.5 -32.2 70 3.7 -29.2 115 14 345.2 345.4 296.3 348.5 0.86 20 260 10709 -36.3 -40.1 68 3.8 -36.8 88 19 348.2 348.3 296.6 350.0 0.45 21 250 10980 -38.7 -42.5 67 3.8 -39.1 80 20 348.5 348.6 296.6 350.0 0.36 22 200 12470 -51.7 -56.4 57 4.7 -51.9 90 21 350.9 350.9 296.9 351.3 0.09 23 150 14260 -68.5 -73.5 48 5.0 -68.5 70 31 352.1 352.1 297.1 352.1 0.01 24 104 16355 -86.1 -91.0 41 4.9 -86.1 80 44 357.3 357.3 298.2 357.3 0.00 25 100 16570 -85.7 -90.7 40 5.0 -85.7 75 50 362.1 362.1 299.1 362.2 0.00 26 99 16625 -85.9 -90.8 41 4.9 -85.9 75 50 362.8 362.8 299.2 362.8 0.00 27 98 16682 -82.5 -90.5 24 8.0 -82.5 75 50 370.5 370.5 300.7 370.5 0.00 28 95 16858 -78.3 -87.3 22 9.0 -78.3 66 48 382.0 382.0 302.6 382.0 0.00 29 88 17300 -75.1 -83.1 28 8.0 -75.2 25 39 396.9 396.9 304.8 396.9 0.00 30 82 17710 -76.9 -81.9 45 5.0 -76.9 348 30 401.3 401.3 305.4 401.3 0.01 31 80 17854 -72.5 -81.5 24 9.0 -72.6 335 27 413.2 413.2 306.9 413.2 0.01 32 74 18318 -68.9 -77.9 26 9.0 -69.0 294 18 430.1 430.1 308.9 430.2 0.01 33 70 18650 -70.3 -77.3 35 7.0 -70.4 265 11 434.0 434.0 309.3 434.1 0.01 34 66 18998 -72.1 -78.1 40 6.0 -72.2 437.4 437.4 309.6 437.5 0.01 35 57 19862 -71.9 -79.9 29 8.0 -72.0 456.6 456.6 311.5 456.7 0.01 TRP 104 16355 -86.1 -91.0 41 4.9 -86.1 80 44 357.3 357.3 298.2 357.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 570.00 mb = 4799.83 m = 15747.27 ft Wetbulb zero: 581.74 mb = 4633.22 m = 15200.66 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 85.65 % Est. max temperature: 31.39 C = 88.51 F Sfc-Lift cond lev (LCL): 983.54 mb = 211.99 m = 695.50 ft T: 24.55 C 700-500 lapse rate: 5.85 C/km ThetaE index: 11.13 C Layer 925.0- 720.0 mb Conv cond level (CCL): 913.28 mb = 864.62 m = 2836.65 ft Mean mixing ratio: 17.55 g/kg Conv temperature: 28.82 C = 83.87 F Cap Strength: 0.64 C Lifted Index: -3.12 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.27 C Lifted Index @700 mb: -0.58 C Showalter Index: -1.34 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.10 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 217.60 Risk: None Energy Index: -1.81 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 731.96 J/kg Max Up Vert Vel: 38.26 m/s Conv Inhibition (B-): 4.60 J/kg Cap Strength: 0.64 C Lift Cond Lev (LCL): 933.07 mb = 678.13 m = 2224.82 ft Lev Free Conv (LFC): 888.07 mb = 1105.30 m = 3626.28 ft Equ Level (EL): 148.07 mb = 14334.10 m = 47027.32 ft B at Equ Level: 727.73 J/kg Max Parcel Lev (MPL): 88.07 mb = 17295.82 m = 56744.13 ft Wind level data Storm motion: 139 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 ---------------------------------------------------------- 0 999 74 0 0 -0.0 -0.0 | 319 7 4.5 -5.2 1 973 305 245 6 5.4 2.5 | 285 10 9.9 -2.7 2 925 755 240 8 6.9 4.0 | 276 11 11.4 -1.2 3 908 914 235 6 4.9 3.4 | 281 10 9.4 -1.8 4 876 1219 205 3 1.3 2.7 | 293 6 5.7 -2.5 5 850 1482 115 1 -0.9 0.4 | 323 6 3.6 -4.8 6 846 1524 110 1 -0.9 0.3 | 324 6 3.5 -4.9 7 759 2438 95 9 -9.0 0.8 | 46 6 -4.5 -4.4 8 706 3048 115 12 -10.9 5.1 | 89 6 -6.4 -0.1 9 700 3120 105 11 -10.6 2.8 | 69 7 -6.2 -2.3 10 680 3353 95 11 -11.0 1.0 | 57 8 -6.5 -4.2 11 655 3658 90 9 -9.0 0.0 | 41 7 -4.5 -5.2 12 631 3962 95 8 -8.0 0.7 | 38 6 -3.5 -4.5 13 607 4267 105 12 -11.6 3.1 | 74 7 -7.1 -2.1 14 542 5182 105 14 -13.5 3.6 | 80 9 -9.0 -1.6 15 500 5840 110 14 -13.2 4.8 | 87 9 -8.7 -0.4 16 400 7570 100 15 -14.8 2.6 | 76 11 -10.3 -2.6 17 397 7620 100 16 -15.8 2.8 | 78 12 -11.3 -2.4 18 381 7925 115 13 -11.8 5.5 | 92 7 -7.3 0.3 19 351 8534 80 9 -8.9 -1.6 | 33 8 -4.4 -6.8 20 323 9144 120 14 -12.1 7.0 | 103 8 -7.7 1.8 21 310 9449 95 15 -14.9 1.3 | 70 11 -10.5 -3.9 22 300 9700 115 14 -12.7 5.9 | 95 8 -8.2 0.7 23 250 10980 80 20 -19.7 -3.5 | 60 18 -15.2 -8.7 24 239 11278 85 22 -21.9 -1.9 | 68 19 -17.4 -7.1 25 218 11887 90 22 -22.0 0.0 | 73 18 -17.5 -5.2 26 200 12470 90 21 -21.0 0.0 | 73 17 -16.5 -5.2 27 181 13106 90 23 -23.0 0.0 | 74 19 -18.5 -5.2 28 164 13716 75 27 -26.1 -7.0 | 61 25 -21.6 -12.2 29 156 14021 70 31 -29.1 -10.6 | 57 29 -24.7 -15.8 30 150 14260 70 31 -29.1 -10.6 | 57 29 -24.7 -15.8 31 108 16154 70 38 -35.7 -13.0 | 60 36 -31.2 -18.2 32 104 16355 80 44 -43.3 -7.6 | 72 41 -38.9 -12.8 33 100 16570 75 50 -48.3 -12.9 | 68 47 -43.8 -18.1 34 97 16764 75 50 -48.3 -12.9 | 68 47 -43.8 -18.1 35 70 18650 265 11 11.0 1.0 | 285 16 15.4 -4.2 Wind Parameters Mean winds (0-6000m): 109.3 at 9.1 knts Storm direction: 139.3 at 6.9 knts Shear (0-3000m) pos: 0.5 neg: 1.7 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 122.3 deg Storm rel helicity (0-3000m) pos: 24.3 neg: -20.5 tot: 3.8 m^2/s^2 ave: 1.3 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.4 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 32.35 Bulk Shear: 22.62 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 ------------------------------------------------------------------------------- 500 244 5 289 9| 0.0 7.4 7.4| 0.0 -18.3 -18.3 -36.7 -0.73| 9.8 -7.2 1000 240 6 283 10| 0.0 2.3 2.3| 3.0 -20.2 -17.2 -17.2 -0.45| 7.3 -3.3 1500 234 5 287 9| 0.0 0.5 0.5| 9.5 -20.2 -10.6 -7.1 -0.11| 6.8 -0.7 2000 220 4 284 7| 0.0 1.5 1.5| 14.2 -20.2 -6.0 -3.0 0.08| 6.3 0.5 2500 172 5 273 4| 0.0 2.0 2.0| 19.1 -20.2 -1.0 -0.4 0.19| 5.9 1.1 3000 136 6 341 1| 0.5 1.7 2.2| 24.3 -20.5 3.8 1.3 0.26| 5.5 1.4 4000 114 7 40 3| 0.5 1.1 1.6| 26.4 -30.1 -3.7 -0.9 0.11| 5.1 0.6 5000 110 8 53 4| 0.7 1.0 1.7| 32.7 -30.1 2.6 0.5 0.17| 4.6 0.8 6000 109 9 62 5| 0.7 0.8 1.5| 35.5 -30.6 4.9 0.8 0.19| 4.0 0.7 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251019.00.gif