UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 7 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 ------------------------------------------------------------------------------- SFC 1000 80 30.0 25.0 75 5.0 26.3 290 2 303.1 306.9 299.4 363.6 20.33 1 925 764 22.6 20.5 88 2.1 21.1 345 16 302.4 305.5 297.0 351.6 16.63 2 850 1500 19.4 15.4 78 4.0 16.7 60 6 306.5 308.9 295.7 345.7 13.06 3 700 3150 11.6 -10.4 20 22.0 1.8 335 9 315.3 315.8 289.8 323.4 2.47 4 500 5880 -4.1 -13.1 50 9.0 -7.8 55 6 328.0 328.6 293.7 337.6 2.79 5 400 7600 -15.9 -20.8 66 4.9 -17.4 15 7 334.3 334.7 294.5 340.8 1.82 6 300 9710 -31.7 -39.7 45 8.0 -32.7 90 24 340.7 340.8 294.8 342.3 0.40 7 250 10960 -41.7 -53.7 26 12.0 -42.4 90 30 344.1 344.1 295.4 344.5 0.10 8 200 12430 -53.7 -59.7 48 6.0 -53.9 90 35 347.7 347.7 296.2 348.0 0.06 9 150 14220 -67.9 -73.9 42 6.0 -67.9 100 58 353.1 353.1 297.3 353.2 0.01 10 146 14382 -68.7 -74.8 41 6.1 -68.7 105 62 354.5 354.5 297.6 354.5 0.01 11 100 16590 -79.9 -86.9 30 7.0 -79.9 115 28 373.4 373.4 301.1 373.4 0.00 12 94 16938 -81.3 -87.3 35 6.0 -81.3 95 15 377.3 377.3 301.8 377.3 0.00 13 82 17708 -78.9 -84.9 37 6.0 -78.9 120 11 397.2 397.2 304.8 397.2 0.00 14 77 18072 -70.9 -83.9 13 13.0 -71.0 132 9 421.1 421.1 307.9 421.1 0.00 15 70 18630 -74.5 -85.5 17 11.0 -74.6 150 6 425.0 425.0 308.3 425.0 0.00 16 59 19625 -74.3 -88.3 10 14.0 -74.4 446.7 446.7 310.6 446.8 0.00 17 54 20149 -68.3 -86.3 6 18.0 -68.5 472.0 472.0 312.8 472.1 0.00 TRP 94 16938 -81.3 -87.3 35 6.0 -81.3 95 15 377.3 377.3 301.8 377.3 0.00 WND 146 14382 -68.7 -74.8 41 6.1 -68.7 105 62 354.5 354.5 297.6 354.5 0.01 Sounding variables and indices 1000-500 mb thick: 5799.81 m Freezing level: 552.23 mb = 5167.07 m = 16952.12 ft Wetbulb zero: 662.02 mb = 3602.67 m = 11819.65 ft Precipitable water: 1.79 inches Sfc-500 mean rel hum: 49.91 % Est. max temperature: 33.32 C = 91.97 F Sfc-Lift cond lev (LCL): 930.65 mb = 710.57 m = 2331.24 ft T: 23.18 C 700-500 lapse rate: 5.75 C/km ThetaE index: 40.21 C Layer 925.0- 500.0 mb Conv cond level (CCL): 884.57 mb = 1153.01 m = 3782.78 ft Mean mixing ratio: 17.84 g/kg Conv temperature: 31.40 C = 88.53 F Cap Strength: 0.50 C Lifted Index: -3.12 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -6.38 C Lifted Index @700 mb: -0.55 C Showalter Index: 0.45 C Risk: Thunderstorms probable Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.50 C K Index: 16.90 Risk: < 20 % chance of thunderstorms Sweat Index: 202.80 Risk: None Energy Index: -1.58 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1878.57 J/kg Max Up Vert Vel: 61.30 m/s Conv Inhibition (B-): 10.64 J/kg Cap Strength: 0.50 C Lift Cond Lev (LCL): 906.66 mb = 938.28 m = 3078.30 ft Lev Free Conv (LFC): 791.66 mb = 2104.23 m = 6903.55 ft Equ Level (EL): 141.66 mb = 14558.34 m = 47763.01 ft B at Equ Level: 1875.50 J/kg Max Parcel Lev (MPL): 71.66 mb = 18492.44 m = 60669.99 ft Wind level data Storm motion: 29 at 5 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 1000 80 290 2 1.9 -0.7 | 228 6 4.4 3.9 1 975 305 320 13 8.4 -10.0 | 297 12 10.8 -5.4 2 925 764 345 16 4.1 -15.5 | 329 13 6.6 -10.9 3 909 914 350 18 3.1 -17.7 | 337 14 5.6 -13.2 4 878 1219 355 6 0.5 -6.0 | 295 3 3.0 -1.4 5 850 1500 60 6 -5.2 -3.0 | 120 3 -2.7 1.6 6 848 1524 60 6 -5.2 -3.0 | 120 3 -2.7 1.6 7 818 1829 90 4 -4.0 0.0 | 161 5 -1.5 4.6 8 789 2134 5 4 -0.3 -4.0 | 255 2 2.1 0.6 9 761 2438 360 10 -0.0 -10.0 | 336 6 2.5 -5.4 10 734 2743 345 9 2.3 -8.7 | 311 6 4.8 -4.1 11 708 3048 315 10 7.1 -7.1 | 285 10 9.5 -2.5 12 700 3150 335 9 3.8 -8.2 | 300 7 6.3 -3.6 13 658 3658 345 6 1.6 -5.8 | 287 4 4.0 -1.2 14 633 3962 360 4 -0.0 -4.0 | 257 3 2.5 0.6 15 610 4267 125 3 -2.5 1.7 | 180 6 0.0 6.3 16 587 4572 160 3 -1.0 2.8 | 191 8 1.4 7.4 17 566 4877 305 2 1.6 -1.1 | 230 5 4.1 3.4 18 545 5182 130 5 -3.8 3.2 | 170 8 -1.4 7.8 19 525 5486 110 5 -4.7 1.7 | 160 7 -2.2 6.3 20 500 5880 55 6 -4.9 -3.4 | 115 3 -2.4 1.1 21 486 6096 30 5 -2.5 -4.3 | 174 0 -0.0 0.2 22 467 6401 345 6 1.6 -5.8 | 287 4 4.0 -1.2 23 432 7010 330 10 5.0 -8.7 | 299 9 7.5 -4.1 24 415 7315 355 8 0.7 -8.0 | 317 5 3.2 -3.4 25 400 7600 15 7 -1.8 -6.8 | 343 2 0.7 -2.2 26 399 7620 5 6 -0.5 -6.0 | 306 2 2.0 -1.4 27 367 8230 50 5 -3.8 -3.2 | 135 2 -1.4 1.3 28 352 8534 105 6 -5.8 1.6 | 151 7 -3.3 6.1 29 338 8839 125 8 -6.6 4.6 | 156 10 -4.1 9.1 30 324 9144 100 14 -13.8 2.4 | 122 13 -11.3 7.0 31 300 9710 90 24 -24.0 0.0 | 102 22 -21.5 4.6 32 273 10363 80 21 -20.7 -3.6 | 93 18 -18.2 0.9 33 261 10668 85 25 -24.9 -2.2 | 96 23 -22.4 2.4 34 250 10960 90 30 -30.0 0.0 | 99 28 -27.5 4.6 35 250 10973 95 33 -32.9 2.9 | 104 31 -30.4 7.4 36 200 12430 90 35 -35.0 0.0 | 98 33 -32.5 4.6 37 171 13411 105 46 -44.4 11.9 | 111 45 -42.0 16.5 38 163 13716 100 50 -49.2 8.7 | 106 49 -46.8 13.2 39 150 14220 100 58 -57.1 10.1 | 105 57 -54.6 14.6 40 146 14382 105 62 -59.9 16.0 | 110 61 -57.4 20.6 41 140 14630 105 62 -59.9 16.0 | 110 61 -57.4 20.6 42 133 14935 115 42 -38.1 17.7 | 122 42 -35.6 22.3 43 114 15850 90 42 -42.0 0.0 | 97 40 -39.5 4.6 44 108 16154 90 51 -51.0 0.0 | 95 49 -48.5 4.6 45 100 16590 115 28 -25.4 11.8 | 126 28 -22.9 16.4 46 97 16764 115 32 -29.0 13.5 | 124 32 -26.5 18.1 47 94 16938 95 15 -14.9 1.3 | 115 14 -12.5 5.9 48 70 18630 150 6 -3.0 5.2 | 177 10 -0.5 9.8 Wind Parameters Mean winds (0-6000m): 358.5 at 6.9 knts Storm direction: 28.5 at 5.2 knts Shear (0-3000m) pos: 1.2 neg: 2.1 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 61.0 deg Storm rel helicity (0-3000m) pos: 57.6 neg: -14.7 tot: 42.9 m^2/s^2 ave: 14.3 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 4.2 10^-3/s Energy-Hel index: 0.64 Bulk Rich Number: 329.83 Bulk Shear: 5.70 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 ------------------------------------------------------------------------------- 500 324 11 296 10| 13.8 0.0 13.8| 34.9 0.0 34.9 69.8 0.89| 16.3 14.5 1000 338 13 316 11| 5.5 0.0 5.5| 50.2 -2.3 47.9 47.9 0.66| 13.8 9.1 1500 345 11 319 8| 2.5 0.0 2.5| 51.9 -5.1 46.8 31.2 0.53| 13.6 7.2 2000 352 9 321 6| 1.9 1.0 2.9| 54.9 -5.1 49.8 24.9 0.55| 12.0 6.5 2500 353 9 321 6| 1.5 2.0 3.4| 57.6 -6.5 51.1 20.4 0.53| 11.2 5.9 3000 350 9 317 6| 1.2 2.1 3.3| 57.6 -14.7 42.9 14.3 0.41| 10.2 4.2 4000 348 8 311 6| 2.1 1.6 3.7| 60.6 -18.8 41.8 10.4 0.28| 9.1 2.6 5000 349 7 303 5| 1.6 1.3 2.9| 74.0 -27.7 46.3 9.3 0.26| 9.2 2.4 6000 359 7 312 4| 1.4 1.3 2.7| 74.0 -44.0 30.0 5.0 0.14| 8.9 1.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251007.12.gif