UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025082000.upa.cvt Date: 0000Z 20 AUG 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 20 AUG 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 89 25.4 24.4 94 1.0 24.7 320 2 298.5 302.1 297.8 355.7 19.59 1 925 766 21.6 18.2 81 3.4 19.2 320 25 301.4 304.0 295.2 343.7 14.36 2 871 1283 18.8 12.8 68 6.0 14.9 314 30 303.7 305.7 293.2 335.6 10.72 3 850 1491 17.2 14.1 82 3.1 15.1 310 32 304.2 306.4 294.3 339.9 11.99 4 783 2186 13.2 9.8 80 3.4 11.0 299 32 307.1 308.9 293.4 336.6 9.76 5 761 2426 15.0 -2.0 31 17.0 6.2 295 33 311.6 312.4 290.3 325.2 4.34 6 729 2788 12.8 0.8 44 12.0 6.2 289 33 313.0 314.1 291.9 330.5 5.57 7 700 3127 10.8 -4.2 35 15.0 3.3 280 30 314.4 315.2 290.9 327.2 4.00 8 662 3589 8.6 -18.4 13 27.0 -1.4 290 25 317.0 317.3 289.2 321.6 1.35 9 625 4062 6.8 -21.2 11 28.0 -3.1 300 20 320.2 320.4 290.0 324.1 1.13 10 616 4181 5.8 -10.2 31 16.0 -1.3 303 19 320.4 321.0 291.7 329.9 2.86 11 600 4396 4.4 -20.6 14 25.0 -4.4 304 17 321.2 321.5 290.4 325.5 1.24 12 577 4712 1.8 -11.2 37 13.0 -3.8 302 15 321.8 322.3 292.0 331.2 2.82 13 555 5024 0.0 -14.0 34 14.0 -5.6 313 11 323.2 323.7 292.0 331.1 2.33 14 527 5435 -3.3 -16.3 36 13.0 -8.1 10 6 324.1 324.5 292.0 331.0 2.03 15 512 5663 -4.5 -26.5 16 22.0 -10.8 3 6 325.3 325.5 291.3 328.4 0.86 16 503 5803 -3.7 -25.7 16 22.0 -10.3 345 7 328.0 328.2 292.1 331.3 0.94 17 500 5850 -3.9 -24.9 18 21.0 -10.4 320 11 328.3 328.5 292.2 331.9 1.01 18 474 6269 -5.7 -27.7 16 22.0 -11.9 323 11 331.1 331.3 292.8 334.1 0.83 19 400 7570 -16.5 -21.5 65 5.0 -18.0 135 17 333.5 333.9 294.2 339.6 1.72 20 347 8627 -23.1 -26.1 76 3.0 -23.8 98 29 338.4 338.7 295.1 343.3 1.31 21 337 8841 -23.9 -28.9 63 5.0 -25.0 86 25 340.2 340.4 295.3 344.1 1.04 22 300 9680 -30.9 -35.9 61 5.0 -31.7 85 39 341.8 342.0 295.3 344.1 0.60 23 277 10243 -36.1 -38.8 76 2.7 -36.4 83 38 342.2 342.3 295.3 344.1 0.48 24 267 10498 -38.5 -41.0 77 2.5 -38.8 82 38 342.3 342.4 295.3 343.9 0.40 25 250 10950 -41.3 -49.3 42 8.0 -41.9 80 37 344.7 344.7 295.6 345.4 0.17 26 249 10977 -41.3 -50.3 37 9.0 -41.9 75 34 345.1 345.1 295.7 345.7 0.15 27 237 11310 -44.3 -52.3 41 8.0 -44.7 90 45 345.4 345.5 295.7 346.0 0.13 28 230 11511 -45.1 -59.1 19 14.0 -45.7 94 49 347.2 347.2 296.1 347.4 0.06 29 200 12430 -52.1 -68.1 13 16.0 -52.4 75 57 350.3 350.3 296.7 350.4 0.02 30 199 12462 -52.3 -68.3 13 16.0 -52.7 75 57 350.4 350.5 296.7 350.5 0.02 31 167 13561 -62.7 -70.7 33 8.0 -62.8 80 65 351.1 351.1 296.9 351.2 0.02 32 150 14210 -67.9 -75.9 31 8.0 -67.9 80 67 353.1 353.1 297.3 353.2 0.01 33 136 14794 -72.0 -79.3 33 7.3 -72.0 80 78 355.9 355.9 297.9 356.0 0.01 34 113 15866 -79.7 -85.7 36 6.0 -79.7 80 58 360.9 360.9 298.9 360.9 0.00 35 100 16570 -73.5 -82.5 24 9.0 -73.5 90 57 385.7 385.7 303.2 385.7 0.00 36 92 17057 -73.9 -83.9 20 10.0 -73.9 394.2 394.2 304.4 394.3 0.00 37 83 17665 -69.1 -85.1 8 16.0 -69.2 415.8 415.8 307.2 415.8 0.00 38 74 18350 -69.9 -87.9 6 18.0 -70.0 428.0 428.0 308.6 428.0 0.00 TRP 113 15866 -79.7 -85.7 36 6.0 -79.7 80 58 360.9 360.9 298.9 360.9 0.00 WND 136 14794 -72.0 -79.3 33 7.3 -72.0 80 78 355.9 355.9 297.9 356.0 0.01 Sounding variables and indices 1000-500 mb thick: 5761.42 m Freezing level: 555.00 mb = 5023.76 m = 16481.95 ft Wetbulb zero: 673.57 mb = 3445.81 m = 11305.01 ft Precipitable water: 1.59 inches Sfc-500 mean rel hum: 47.36 % Est. max temperature: 31.01 C = 87.83 F Sfc-Lift cond lev (LCL): 986.02 mb = 210.90 m = 691.91 ft T: 24.71 C 700-500 lapse rate: 5.40 C/km ThetaE index: 20.04 C Layer 925.0- 850.0 mb Conv cond level (CCL): 876.91 mb = 1224.79 m = 4018.30 ft Mean mixing ratio: 16.07 g/kg Conv temperature: 30.31 C = 86.55 F Cap Strength: 1.91 C Lifted Index: -0.11 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.21 C Lifted Index @700 mb: 0.88 C Showalter Index: 2.94 C Risk: Showers probable Total Totals Index: 39.10 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 18.00 C K Index: 20.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 244.20 Risk: None Energy Index: -1.48 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 333.95 J/kg Max Up Vert Vel: 25.84 m/s Conv Inhibition (B-): 20.21 J/kg Cap Strength: 1.78 C Lift Cond Lev (LCL): 915.50 mb = 854.67 m = 2804.00 ft Lev Free Conv (LFC): 840.50 mb = 1586.06 m = 5203.54 ft Equ Level (EL): 770.50 mb = 2321.27 m = 7615.62 ft B at Equ Level: 20.71 J/kg Max Parcel Lev (MPL): 730.50 mb = 2770.30 m = 9088.81 ft Wind level data Storm motion: 333 at 17 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 89 320 2 1.3 -1.5 | 155 15 -6.1 13.3 1 1000 74 320 2 1.3 -1.5 | 155 15 -6.1 13.3 2 974 305 330 17 8.5 -14.7 | 266 1 1.1 0.1 3 925 766 320 25 16.1 -19.2 | 297 10 8.7 -4.4 4 909 914 320 26 16.7 -19.9 | 299 11 9.3 -5.1 5 850 1491 310 32 24.5 -20.6 | 289 18 17.1 -5.8 6 847 1524 310 32 24.5 -20.6 | 289 18 17.1 -5.8 7 707 3048 285 33 31.9 -8.5 | 256 25 24.5 6.3 8 700 3127 280 30 29.5 -5.2 | 247 24 22.1 9.6 9 608 4267 305 18 14.7 -10.3 | 239 9 7.3 4.5 10 564 4877 300 14 12.1 -7.0 | 211 9 4.7 7.8 11 543 5182 330 8 4.0 -6.9 | 157 9 -3.4 7.9 12 523 5486 20 6 -2.1 -5.6 | 134 13 -9.5 9.2 13 504 5791 350 6 1.0 -5.9 | 144 11 -6.4 8.9 14 500 5850 320 11 7.1 -8.4 | 177 6 -0.3 6.4 15 484 6096 315 12 8.5 -8.5 | 190 6 1.1 6.3 16 466 6401 330 10 5.0 -8.7 | 159 7 -2.4 6.1 17 447 6706 45 4 -2.8 -2.8 | 139 16 -10.2 12.0 18 430 7010 125 9 -7.4 5.2 | 143 25 -14.8 20.0 19 413 7315 140 11 -7.1 8.4 | 148 27 -14.5 23.2 20 400 7570 135 17 -12.0 12.0 | 144 33 -19.4 26.8 21 381 7925 125 25 -20.5 14.3 | 136 40 -27.9 29.1 22 366 8230 120 35 -30.3 17.5 | 131 50 -37.7 32.3 23 336 8839 85 25 -24.9 -2.2 | 111 35 -32.3 12.6 24 310 9449 75 30 -29.0 -7.8 | 101 37 -36.4 7.0 25 300 9680 85 39 -38.9 -3.4 | 104 48 -46.3 11.4 26 250 10950 80 37 -36.4 -6.4 | 101 45 -43.8 8.4 27 249 10973 75 34 -32.8 -8.8 | 98 41 -40.2 6.0 28 238 11278 90 44 -44.0 0.0 | 106 53 -51.4 14.8 29 227 11582 95 51 -50.8 4.4 | 108 61 -58.2 19.2 30 217 11887 85 51 -50.8 -4.4 | 100 59 -58.2 10.3 31 207 12192 80 47 -46.3 -8.2 | 97 54 -53.7 6.6 32 200 12430 75 57 -55.1 -14.8 | 90 62 -62.5 0.0 33 188 12802 80 62 -61.1 -10.8 | 93 69 -68.5 4.0 34 150 14210 80 67 -66.0 -11.6 | 92 73 -73.4 3.2 35 147 14326 75 63 -60.9 -16.3 | 89 68 -68.3 -1.5 36 136 14794 80 78 -76.8 -13.5 | 91 84 -84.2 1.2 37 133 14935 80 74 -72.9 -12.8 | 91 80 -80.3 1.9 38 126 15240 80 73 -71.9 -12.7 | 92 79 -79.3 2.1 39 119 15545 85 66 -65.7 -5.8 | 97 74 -73.1 9.0 40 113 15866 80 58 -57.1 -10.1 | 94 65 -64.5 4.7 41 107 16154 80 57 -56.1 -9.9 | 94 64 -63.5 4.9 42 102 16459 75 70 -67.6 -18.1 | 87 75 -75.0 -3.3 43 100 16570 90 57 -57.0 0.0 | 103 66 -64.4 14.8 Wind Parameters Mean winds (0-6000m): 303.4 at 22.1 knts Storm direction: 333.4 at 16.5 knts Shear (0-3000m) pos: 3.3 neg: 3.6 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 94.9 deg Storm rel helicity (0-3000m) pos: 7.7 neg: -92.4 tot: -84.7 m^2/s^2 ave: -28.2 10^-3 m/s^2 rel: -0.17 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -1.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 24.70 Bulk Shear: 13.52 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 ------------------------------------------------------------------------------- 500 327 15 206 2| 19.5 0.0 19.5| 7.0 0.0 7.0 14.0 0.41| 20.8 8.5 1000 322 20 285 5| 9.8 3.4 13.2| 7.7 -2.1 5.6 5.6 0.29| 13.9 4.0 1500 318 24 289 9| 6.5 4.2 10.7| 7.7 -12.3 -4.6 -3.1 0.16| 11.3 1.9 2000 314 26 286 12| 4.9 3.8 8.7| 7.7 -33.2 -25.5 -12.7 0.04| 9.7 0.3 2500 310 27 281 14| 3.9 3.7 7.6| 7.7 -56.1 -48.4 -19.4 -0.06| 8.7 -0.5 3000 305 28 276 16| 3.3 3.6 6.8| 7.7 -92.4 -84.7 -28.2 -0.17| 8.3 -1.4 4000 301 27 268 16| 2.5 2.7 5.1| 11.9-105.8 -93.9 -23.5 -0.16| 8.2 -1.3 5000 301 25 263 14| 2.2 2.1 4.3| 11.9-128.8-116.9 -23.4 -0.27| 7.8 -2.1 6000 303 22 256 11| 2.2 2.4 4.6| 30.8-142.6-111.8 -18.6 -0.19| 8.2 -1.5 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250820.00.gif