UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 18 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 82 25.0 23.9 94 1.1 24.2 0 0 298.1 301.6 297.4 353.4 19.00 1 985 214 25.4 22.2 82 3.2 23.1 0 1 299.8 303.0 296.8 350.7 17.35 2 925 760 22.2 19.9 87 2.3 20.6 155 3 302.0 305.0 296.5 349.3 16.01 3 850 1498 18.2 16.0 87 2.2 16.7 125 7 305.2 307.7 295.7 345.8 13.58 4 795 2068 15.4 11.3 77 4.1 12.7 73 13 308.1 310.1 294.4 340.4 10.64 5 731 2775 11.4 10.3 93 1.1 10.7 75 14 311.2 313.3 295.4 344.5 10.83 6 700 3136 9.6 7.9 89 1.7 8.5 80 15 313.1 314.9 295.0 342.8 9.60 7 618 4162 4.6 0.8 76 3.8 2.5 133 13 318.7 320.0 294.3 339.7 6.58 8 561 4946 0.0 -1.3 91 1.3 -0.7 165 16 322.3 323.5 294.9 342.4 6.22 9 500 5860 -5.5 -6.5 93 1.0 -6.0 145 16 326.3 327.3 294.8 342.0 4.71 10 491 6002 -6.3 -7.1 94 0.8 -6.7 133 15 327.1 328.0 294.8 342.3 4.58 11 440 6853 -10.3 -12.3 85 2.0 -11.1 141 17 332.4 333.1 295.3 344.1 3.38 12 400 7580 -14.7 -16.6 85 1.9 -15.4 145 17 335.9 336.4 295.6 345.1 2.61 13 383 7908 -16.7 -18.8 84 2.1 -17.4 131 16 337.4 337.9 295.6 345.5 2.26 14 300 9700 -29.3 -32.6 73 3.3 -29.9 110 17 344.1 344.3 296.0 347.2 0.82 15 289 9967 -31.1 -33.6 79 2.5 -31.5 96 16 345.2 345.4 296.3 348.2 0.78 16 250 10980 -39.5 -42.6 72 3.1 -39.8 80 16 347.3 347.4 296.4 348.8 0.36 17 206 12269 -50.9 -56.9 49 6.0 -51.1 68 19 349.2 349.2 296.5 349.6 0.08 18 200 12460 -52.5 -58.5 48 6.0 -52.7 50 19 349.6 349.6 296.6 349.9 0.07 19 154 14092 -67.5 -71.7 55 4.2 -67.5 73 24 351.2 351.2 296.9 351.2 0.02 20 150 14250 -68.9 -73.2 54 4.3 -68.9 75 25 351.4 351.4 297.0 351.5 0.01 21 131 15042 -75.7 -81.7 38 6.0 -75.7 72 31 353.1 353.1 297.3 353.1 0.00 22 105 16286 -84.9 -88.8 50 3.9 -84.9 105 52 358.7 358.7 298.4 358.7 0.00 23 104 16338 -84.7 -88.8 48 4.1 -84.7 107 55 360.0 360.0 298.7 360.0 0.00 24 103 16392 -81.3 -87.9 32 6.5 -81.3 110 59 367.5 367.5 300.1 367.5 0.00 25 102 16447 -77.9 -86.9 22 9.0 -77.9 110 59 375.1 375.1 301.4 375.1 0.00 26 100 16560 -77.3 -84.3 32 7.0 -77.3 110 59 378.4 378.4 302.0 378.4 0.00 27 91 17102 -76.7 -81.3 48 4.6 -76.7 389.9 389.9 303.8 389.9 0.01 28 70 18632 -71.3 -77.3 40 6.0 -71.3 431.8 431.9 309.0 431.9 0.01 TRP 105 16286 -84.9 -88.8 50 3.9 -84.9 105 52 358.7 358.7 298.4 358.7 0.00 WND 103 16392 -81.3 -87.9 32 6.5 -81.3 110 59 367.5 367.5 300.1 367.5 0.00 Sounding variables and indices 1000-500 mb thick: 5777.65 m Freezing level: 561.00 mb = 4945.60 m = 16225.51 ft Wetbulb zero: 573.31 mb = 4769.90 m = 15649.09 ft Precipitable water: 2.36 inches Sfc-500 mean rel hum: 85.83 % Est. max temperature: 32.06 C = 89.71 F Sfc-Lift cond lev (LCL): 984.56 mb = 218.11 m = 715.58 ft T: 25.38 C 700-500 lapse rate: 5.54 C/km ThetaE index: 13.05 C Layer 985.0- 731.0 mb Conv cond level (CCL): 876.07 mb = 1234.30 m = 4049.48 ft Mean mixing ratio: 16.62 g/kg Conv temperature: 30.92 C = 87.65 F Cap Strength: 1.32 C Lifted Index: -2.53 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.90 C Lifted Index @700 mb: -0.97 C Showalter Index: -1.01 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.50 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 222.00 Risk: None Energy Index: -0.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 465.54 J/kg Max Up Vert Vel: 30.51 m/s Conv Inhibition (B-): 28.07 J/kg Cap Strength: 1.32 C Lift Cond Lev (LCL): 914.95 mb = 855.36 m = 2806.26 ft Lev Free Conv (LFC): 779.95 mb = 2229.06 m = 7313.10 ft Equ Level (EL): 199.95 mb = 12461.59 m = 40883.99 ft B at Equ Level: 464.16 J/kg Max Parcel Lev (MPL): 99.95 mb = 16562.93 m = 54339.65 ft Wind level data Storm motion: 152 at 9 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 82 0 0 -0.0 -0.0 | 332 9 4.1 -7.8 1 1000 74 0 0 -0.0 -0.0 | 332 9 4.1 -7.8 2 974 305 0 1 -0.0 -1.0 | 335 10 4.1 -8.8 3 941 610 170 3 -0.5 3.0 | 324 6 3.6 -4.8 4 925 760 155 3 -1.3 2.7 | 331 6 2.8 -5.1 5 878 1219 165 5 -1.3 4.8 | 317 4 2.8 -3.0 6 850 1498 125 7 -5.7 4.0 | 24 4 -1.7 -3.8 7 817 1829 75 12 -11.6 -3.1 | 35 13 -7.5 -10.9 8 760 2438 70 14 -13.2 -4.8 | 36 16 -9.1 -12.6 9 700 3136 80 15 -14.8 -2.6 | 46 15 -10.7 -10.4 10 632 3962 125 12 -9.8 6.9 | 81 6 -5.8 -0.9 11 565 4877 165 16 -4.1 15.5 | 180 8 -0.1 7.7 12 504 5791 160 17 -5.8 16.0 | 168 8 -1.7 8.2 13 500 5860 145 16 -9.2 13.1 | 136 7 -5.1 5.3 14 485 6096 125 15 -12.3 8.6 | 96 8 -8.2 0.8 15 431 7010 145 18 -10.3 14.7 | 138 9 -6.2 7.0 16 400 7580 145 17 -9.8 13.9 | 137 8 -5.7 6.1 17 382 7925 130 16 -12.3 10.3 | 107 9 -8.2 2.5 18 351 8534 120 17 -14.7 8.5 | 94 11 -10.6 0.7 19 310 9449 125 21 -17.2 12.0 | 108 14 -13.1 4.3 20 300 9700 110 17 -16.0 5.8 | 81 12 -11.9 -2.0 21 273 10363 75 15 -14.5 -3.9 | 42 16 -10.4 -11.7 22 250 10980 80 16 -15.8 -2.8 | 48 16 -11.7 -10.6 23 208 12192 75 19 -18.4 -4.9 | 48 19 -14.3 -12.7 24 200 12460 50 19 -14.6 -12.2 | 28 23 -10.5 -20.0 25 180 13106 60 18 -15.6 -9.0 | 34 20 -11.5 -16.8 26 150 14250 75 25 -24.1 -6.5 | 55 25 -20.1 -14.3 27 133 14935 70 28 -26.3 -9.6 | 52 28 -22.2 -17.4 28 120 15545 85 52 -51.8 -4.5 | 76 49 -47.7 -12.3 29 113 15850 90 47 -47.0 0.0 | 80 44 -42.9 -7.8 30 105 16286 105 52 -50.2 13.5 | 97 46 -46.1 5.7 31 103 16392 110 59 -55.4 20.2 | 104 53 -51.4 12.4 32 100 16560 110 59 -55.4 20.2 | 104 53 -51.4 12.4 33 96 16764 110 59 -55.4 20.2 | 104 53 -51.4 12.4 Wind Parameters Mean winds (0-6000m): 122.4 at 11.7 knts Storm direction: 152.4 at 8.8 knts Shear (0-3000m) pos: 1.1 neg: 2.5 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 72.5 deg Storm rel helicity (0-3000m) pos: 21.9 neg: -8.3 tot: 13.6 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 1.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 32.29 Bulk Shear: 14.42 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 ------------------------------------------------------------------------------- 500 121 1 337 8| 2.9 0.0 2.9| 5.0 -3.0 2.0 4.0 0.06| 6.3 0.4 1000 160 2 330 6| 2.3 0.0 2.3| 5.5 -4.6 1.0 1.0 -0.04| 4.3 -0.2 1500 149 4 335 5| 1.5 2.2 3.7| 10.3 -4.9 5.4 3.6 0.28| 5.4 1.5 2000 110 6 11 6| 1.1 3.5 4.6| 11.5 -8.3 3.2 1.6 0.15| 6.2 1.0 2500 92 7 22 8| 0.9 3.1 4.0| 14.2 -8.3 5.9 2.4 0.17| 5.3 0.9 3000 87 8 28 9| 1.1 2.5 3.6| 21.9 -8.3 13.6 4.5 0.23| 4.8 1.1 4000 92 10 37 9| 2.2 1.9 4.1| 42.0 -8.3 33.8 8.4 0.35| 5.2 1.8 5000 110 11 55 7| 2.6 1.5 4.1| 55.7 -9.0 46.7 9.3 0.45| 5.1 2.3 6000 122 12 75 6| 2.2 2.1 4.3| 55.7 -30.4 25.3 4.2 0.19| 5.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251018.00.gif