UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 29 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 1001 72 23.8 22.9 95 0.9 23.2 0 0 296.9 300.1 296.3 348.4 17.83 1 1000 81 23.6 22.8 95 0.8 23.0 0 1 296.8 300.0 296.2 348.0 17.74 2 997 107 25.0 22.9 88 2.1 23.5 350 2 298.4 301.7 296.7 350.5 17.91 3 976 295 25.2 23.4 90 1.8 23.9 279 11 300.4 303.9 297.9 355.9 18.88 4 925 765 22.2 19.9 87 2.3 20.6 265 24 302.0 305.0 296.5 349.3 16.01 5 850 1492 17.6 15.3 86 2.3 16.1 275 31 304.6 307.0 295.1 343.3 12.97 6 822 1779 16.0 13.7 86 2.3 14.5 275 32 305.8 308.1 294.8 342.0 12.08 7 793 2085 14.8 8.8 67 6.0 11.1 275 33 307.7 309.4 293.0 335.0 9.00 8 718 2923 9.8 7.7 87 2.1 8.5 275 35 311.1 312.8 294.2 339.4 9.23 9 700 3135 8.6 6.2 85 2.4 7.2 275 36 312.0 313.6 293.9 338.4 8.53 10 693 3218 8.6 1.6 61 7.0 4.7 275 36 312.9 314.1 292.3 332.3 6.21 11 673 3460 7.2 4.9 85 2.3 5.8 276 36 314.0 315.5 294.1 339.2 8.10 12 670 3497 7.6 2.9 72 4.7 4.9 276 36 314.8 316.2 293.6 337.0 7.06 13 660 3621 7.4 0.4 61 7.0 3.6 277 36 316.0 317.1 293.0 334.9 5.98 14 638 3900 6.0 3.4 83 2.6 4.5 278 35 317.4 318.9 294.7 341.8 7.69 15 620 4134 5.6 0.6 70 5.0 2.8 279 35 319.6 320.8 294.4 340.3 6.46 16 616 4187 6.0 -10.0 31 16.0 -1.2 279 35 320.6 321.2 291.8 330.3 2.90 17 615 4201 5.8 -13.2 24 19.0 -2.1 279 35 320.6 321.0 291.2 328.1 2.25 18 613 4227 5.6 -14.4 22 20.0 -2.5 279 35 320.6 321.0 291.0 327.5 2.04 19 609 4281 5.2 -1.8 61 7.0 1.5 279 35 320.8 321.8 294.0 338.6 5.51 20 598 4430 4.4 -7.6 41 12.0 -1.3 280 35 321.5 322.2 292.6 333.4 3.61 21 578 4707 3.4 -12.6 30 16.0 -3.4 281 35 323.5 324.0 292.2 332.0 2.51 22 565 4891 2.2 -5.8 55 8.0 -1.7 282 35 324.2 325.1 294.0 338.7 4.39 23 535 5330 0.0 -19.0 22 19.0 -6.9 283 34 326.7 327.0 292.3 332.2 1.59 24 506 5775 -2.7 -23.7 18 21.0 -9.4 285 34 328.6 328.8 292.4 332.6 1.12 25 500 5870 -2.7 -12.7 46 10.0 -7.0 285 22 329.7 330.3 294.2 339.6 2.88 26 496 5934 -2.7 -12.7 46 10.0 -7.0 288 20 330.5 331.1 294.4 340.5 2.90 27 427 7109 -10.5 -26.5 26 16.0 -15.0 290 20 335.0 335.2 294.0 338.8 1.03 28 400 7610 -14.9 -27.9 32 13.0 -18.3 255 8 335.6 335.8 294.1 339.2 0.96 29 382 7955 -17.7 -25.7 50 8.0 -19.8 268 8 336.4 336.6 294.6 340.9 1.23 30 341 8791 -23.9 -28.7 65 4.8 -25.0 207 9 339.1 339.3 295.0 343.0 1.05 31 311 9454 -29.1 -39.1 37 10.0 -30.5 145 16 340.8 340.9 294.9 342.5 0.41 32 300 9710 -31.1 -41.1 37 10.0 -32.4 140 21 341.5 341.6 295.0 342.9 0.35 33 286 10047 -34.1 -41.1 49 7.0 -34.9 140 26 342.0 342.0 295.1 343.4 0.37 34 269 10475 -36.3 -51.3 20 15.0 -37.5 121 29 344.8 344.8 295.6 345.3 0.13 35 250 10980 -40.3 -56.3 16 16.0 -41.2 105 41 346.2 346.2 295.8 346.5 0.07 36 220 11838 -47.9 -56.9 35 9.0 -48.3 88 42 347.3 347.3 296.1 347.7 0.08 37 200 12460 -52.5 -64.5 22 12.0 -52.8 75 43 349.6 349.6 296.6 349.8 0.03 38 161 13821 -63.1 -78.1 11 15.0 -63.2 82 44 354.1 354.1 297.5 354.2 0.01 39 150 14250 -66.9 -80.9 12 14.0 -67.0 90 55 354.8 354.8 297.7 354.9 0.00 40 129 15150 -74.1 -84.1 20 10.0 -74.1 86 51 357.5 357.5 298.2 357.6 0.00 41 105 16341 -78.7 -85.7 31 7.0 -78.7 80 45 370.5 370.5 300.7 370.5 0.00 42 100 16620 -78.3 -87.3 22 9.0 -78.3 100 28 376.4 376.4 301.6 376.5 0.00 43 70 18655 -78.5 -87.5 22 9.0 -78.5 416.4 416.4 307.3 416.5 0.00 TRP 105 16341 -78.7 -85.7 31 7.0 -78.7 80 45 370.5 370.5 300.7 370.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 535.00 mb = 5330.43 m = 17488.07 ft Wetbulb zero: 617.18 mb = 4171.66 m = 13686.39 ft Precipitable water: 2.02 inches Sfc-500 mean rel hum: 66.47 % Est. max temperature: 31.48 C = 88.67 F Sfc-Lift cond lev (LCL): 988.36 mb = 184.05 m = 603.83 ft T: 25.08 C 700-500 lapse rate: 4.13 C/km ThetaE index: 20.89 C Layer 925.0- 718.0 mb Conv cond level (CCL): 896.88 mb = 1030.48 m = 3380.79 ft Mean mixing ratio: 17.17 g/kg Conv temperature: 29.90 C = 85.81 F Cap Strength: 1.05 C Lifted Index: -0.32 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.58 C Lifted Index @700 mb: -2.44 C Showalter Index: 2.79 C Risk: Showers probable Total Totals Index: 38.30 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 18.00 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 267.60 Risk: None Energy Index: -0.71 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 781.42 J/kg Max Up Vert Vel: 39.53 m/s Conv Inhibition (B-): 12.12 J/kg Cap Strength: 1.05 C Lift Cond Lev (LCL): 922.77 mb = 785.80 m = 2578.05 ft Lev Free Conv (LFC): 867.77 mb = 1314.16 m = 4311.49 ft Equ Level (EL): 177.77 mb = 13199.28 m = 43304.20 ft B at Equ Level: 772.42 J/kg Max Parcel Lev (MPL): 97.77 mb = 16748.93 m = 54949.89 ft Wind level data Storm motion: 307 at 23 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 1001 72 0 0 -0.0 -0.0 | 127 23 -18.3 14.0 1 1000 81 0 1 -0.0 -1.0 | 125 22 -18.3 13.0 2 975 305 275 11 11.0 -1.0 | 151 15 -7.4 13.0 3 925 765 265 24 23.9 2.1 | 199 17 5.6 16.1 4 909 914 270 26 26.0 -0.0 | 209 16 7.7 14.0 5 850 1492 275 31 30.9 -2.7 | 228 17 12.6 11.3 6 847 1524 275 31 30.9 -2.7 | 228 17 12.6 11.3 7 700 3135 275 36 35.9 -3.1 | 238 21 17.5 10.8 8 505 5791 285 34 32.8 -8.8 | 250 15 14.5 5.2 9 500 5870 285 22 21.3 -5.7 | 199 9 2.9 8.3 10 486 6096 295 16 14.5 -6.8 | 152 8 -3.8 7.2 11 432 7010 300 23 19.9 -11.5 | 213 3 1.6 2.5 12 415 7315 265 14 13.9 1.2 | 164 16 -4.4 15.2 13 400 7610 255 8 7.7 2.1 | 147 19 -10.6 16.1 14 383 7925 270 8 8.0 -0.0 | 144 17 -10.3 14.0 15 367 8230 235 11 9.0 6.3 | 155 22 -9.3 20.3 16 352 8534 235 9 7.4 5.2 | 150 22 -10.9 19.1 17 338 8839 200 9 3.1 8.5 | 146 27 -15.2 22.4 18 324 9144 150 11 -5.5 9.5 | 135 33 -23.8 23.5 19 300 9710 140 21 -13.5 16.1 | 133 44 -31.8 30.1 20 285 10058 140 26 -16.7 19.9 | 134 49 -35.0 33.9 21 273 10363 130 29 -22.2 18.6 | 129 52 -40.5 32.6 22 261 10668 105 28 -27.0 7.2 | 115 50 -45.4 21.2 23 250 10973 100 39 -38.4 6.8 | 110 60 -56.7 20.8 24 250 10980 105 41 -39.6 10.6 | 113 63 -57.9 24.6 25 200 12460 75 43 -41.5 -11.1 | 93 60 -59.9 2.9 26 172 13411 75 41 -39.6 -10.6 | 93 58 -57.9 3.4 27 156 14021 85 46 -45.8 -4.0 | 99 65 -64.1 10.0 28 150 14250 90 55 -55.0 0.0 | 101 75 -73.3 14.0 29 148 14326 90 54 -54.0 0.0 | 101 74 -72.3 14.0 30 127 15240 85 51 -50.8 -4.4 | 98 70 -69.1 9.5 31 120 15545 90 46 -46.0 0.0 | 102 66 -64.3 14.0 32 105 16341 80 45 -44.3 -7.8 | 96 63 -62.6 6.2 33 103 16459 75 46 -44.4 -11.9 | 92 63 -62.8 2.1 34 100 16620 100 28 -27.6 4.9 | 112 50 -45.9 18.8 35 97 16764 90 33 -33.0 0.0 | 105 53 -51.3 14.0 Wind Parameters Mean winds (0-6000m): 277.4 at 30.7 knts Storm direction: 307.4 at 23.0 knts Shear (0-3000m) pos: 2.2 neg: 4.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 110.6 deg Storm rel helicity (0-3000m) pos: 130.2 neg: -9.6 tot: 120.6 m^2/s^2 ave: 40.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 5.1 10^-3/s Energy-Hel index: 0.59 Bulk Rich Number: 14.49 Bulk Shear: 53.92 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 ------------------------------------------------------------------------------- 500 274 11 150 15| 0.0 19.1 19.1| 58.8 -9.6 49.3 98.5 0.62| 22.2 13.8 1000 270 17 176 14| 4.6 9.5 14.1| 97.1 -9.6 87.5 87.5 0.71| 16.3 11.6 1500 271 21 193 14| 4.4 6.4 10.8|115.0 -9.6 105.4 70.3 0.74| 12.3 9.1 2000 273 24 204 14| 3.3 5.2 8.5|120.0 -9.6 110.5 55.2 0.74| 9.6 7.1 2500 273 26 211 15| 2.6 4.5 7.1|125.1 -9.6 115.6 46.2 0.74| 8.0 5.9 3000 274 28 217 15| 2.2 4.0 6.2|130.2 -9.6 120.6 40.2 0.73| 6.9 5.1 4000 275 30 224 16| 1.6 3.0 4.6|137.8 -9.6 128.2 32.1 0.73| 5.5 4.0 5000 276 31 228 16| 1.3 2.4 3.7|144.4 -9.6 134.9 27.0 0.72| 4.7 3.4 6000 277 31 230 16| 0.9 2.0 2.9|148.7 -49.4 99.3 16.5 0.26| 5.6 1.5 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251029.00.gif