UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025082012.upa.cvt Date: 1200Z 20 AUG 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 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 ------------------------------------------------------------------------------- 0 1000 63 0 0 SFC 999 72 30.0 25.0 75 5.0 26.3 0 0 303.2 307.0 299.4 363.8 20.35 2 928 727 23.4 19.4 78 4.0 20.6 334 26 303.0 305.8 296.4 348.7 15.46 3 925 755 23.2 19.4 79 3.8 20.5 335 27 303.0 305.9 296.4 349.0 15.51 4 850 1492 19.4 12.4 64 7.0 14.8 325 29 306.5 308.5 294.0 338.7 10.70 5 828 1717 18.0 11.0 64 7.0 13.5 318 30 307.3 309.2 293.7 337.6 10.01 6 809 1916 18.8 2.8 34 16.0 9.7 310 30 310.2 311.3 291.2 328.2 5.79 7 776 2272 15.6 2.6 42 13.0 8.3 297 31 310.5 311.6 291.4 328.9 5.95 8 735 2731 14.0 2.0 44 12.0 7.2 290 24 313.6 314.7 292.4 332.5 6.02 9 710 3023 13.0 -10.0 19 23.0 2.6 297 25 315.6 316.1 289.9 323.8 2.52 10 700 3142 12.2 -10.8 19 23.0 2.0 300 25 316.0 316.5 289.9 323.9 2.39 11 628 4040 6.2 -20.8 12 27.0 -3.3 336 11 319.1 319.3 289.7 323.1 1.16 12 591 4533 1.8 -17.2 23 19.0 -5.2 356 9 319.6 319.9 290.3 325.3 1.68 13 587 4587 1.2 -12.8 34 14.0 -4.5 355 9 319.5 320.0 291.0 327.6 2.43 14 574 4767 0.0 -23.0 16 23.0 -7.3 338 10 320.1 320.4 289.9 323.8 1.05 15 563 4922 -0.9 -20.9 20 20.0 -7.5 325 10 320.9 321.1 290.3 325.3 1.28 16 552 5078 -2.5 -10.5 54 8.0 -5.9 322 12 320.8 321.4 292.0 331.1 3.11 17 544 5194 -2.9 -11.9 50 9.0 -6.6 320 13 321.7 322.2 292.0 331.1 2.82 18 534 5341 -4.1 -11.1 58 7.0 -7.0 318 15 321.9 322.5 292.3 332.1 3.07 19 527 5444 -4.9 -8.6 75 3.7 -6.5 316 16 322.2 322.9 293.0 334.7 3.79 20 522 5519 -4.3 -15.3 42 11.0 -8.5 315 16 323.8 324.2 292.1 331.3 2.23 21 503 5813 -2.3 -21.3 22 19.0 -8.8 342 10 329.7 329.9 292.9 334.6 1.39 22 500 5860 -2.5 -20.5 24 18.0 -8.8 45 8 330.0 330.3 293.2 335.3 1.50 23 407 7449 -15.5 -22.5 55 7.0 -17.6 130 21 333.2 333.5 294.0 338.7 1.54 24 400 7580 -16.3 -23.3 55 7.0 -18.3 130 24 333.8 334.1 294.1 339.1 1.46 25 389 7791 -16.7 -27.7 38 11.0 -19.5 126 27 336.0 336.2 294.2 339.7 1.01 26 382 7927 -17.5 -25.5 50 8.0 -19.7 115 32 336.6 336.9 294.6 341.2 1.26 27 373 8107 -17.5 -29.5 34 12.0 -20.4 109 32 339.0 339.1 294.8 342.3 0.89 28 344 8709 -22.7 -29.7 53 7.0 -24.2 90 33 339.8 340.0 295.1 343.4 0.95 29 300 9700 -30.9 -37.9 50 7.0 -31.9 90 30 341.8 341.9 295.2 343.7 0.49 30 281 10158 -34.3 -40.3 55 6.0 -35.0 85 34 343.4 343.5 295.5 345.0 0.41 31 276 10282 -35.3 -41.3 54 6.0 -36.0 85 35 343.7 343.8 295.6 345.2 0.37 32 273 10358 -35.7 -44.7 39 9.0 -36.6 85 35 344.2 344.3 295.6 345.3 0.26 33 250 10960 -40.7 -51.7 30 11.0 -41.4 85 41 345.6 345.6 295.8 346.1 0.13 34 248 11015 -40.9 -52.9 26 12.0 -41.6 81 39 346.1 346.1 295.8 346.5 0.11 35 202 12376 -52.9 -58.9 48 6.0 -53.1 90 58 348.0 348.0 296.3 348.3 0.07 36 200 12440 -53.3 -59.3 48 6.0 -53.5 90 58 348.4 348.4 296.3 348.6 0.06 37 173 13360 -59.3 -76.3 9 17.0 -59.5 93 56 353.2 353.2 297.3 353.2 0.01 38 150 14240 -65.3 -84.3 6 19.0 -65.4 95 55 357.6 357.6 298.2 357.6 0.00 39 111 16016 -77.7 -89.7 13 12.0 -77.7 100 57 366.5 366.5 299.9 366.5 0.00 40 100 16620 -73.1 -85.1 14 12.0 -73.2 95 39 386.5 386.5 303.3 386.5 0.00 TRP 111 16016 -77.7 -89.7 13 12.0 -77.7 100 57 366.5 366.5 299.9 366.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5797.00 m Freezing level: 574.00 mb = 4766.96 m = 15639.44 ft Wetbulb zero: 672.53 mb = 3473.12 m = 11394.60 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 42.11 % Est. max temperature: 33.27 C = 91.88 F Sfc-Lift cond lev (LCL): 929.72 mb = 710.13 m = 2329.78 ft T: 23.57 C 700-500 lapse rate: 5.41 C/km ThetaE index: 20.83 C Layer 850.0- 776.0 mb Conv cond level (CCL): 851.46 mb = 1476.99 m = 4845.72 ft Mean mixing ratio: 16.94 g/kg Conv temperature: 33.16 C = 91.68 F Cap Strength: 1.96 C Lifted Index: -0.79 C Risk: Thunderstorms probable Lifted Index @300 mb: -4.44 C Lifted Index @700 mb: 0.64 C Showalter Index: 4.80 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 14.90 C K Index: 11.30 Risk: None Sweat Index: 214.80 Risk: None Energy Index: -0.59 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1208.61 J/kg Max Up Vert Vel: 49.17 m/s Conv Inhibition (B-): 68.44 J/kg Cap Strength: 1.82 C Lift Cond Lev (LCL): 890.99 mb = 1081.51 m = 3548.21 ft Lev Free Conv (LFC): 665.99 mb = 3553.94 m = 11659.78 ft Equ Level (EL): 165.99 mb = 13615.15 m = 44668.58 ft B at Equ Level: 1196.44 J/kg Wind level data Storm motion: 346 at 15 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 72 0 0 -0.0 -0.0 | 166 15 -3.5 14.2 1 973 305 315 17 12.0 -12.0 | 256 9 8.5 2.2 2 925 755 335 27 11.4 -24.5 | 322 13 7.9 -10.3 3 908 914 335 28 11.8 -25.4 | 323 14 8.4 -11.2 4 850 1492 325 29 16.6 -23.8 | 306 16 13.2 -9.5 5 847 1524 325 29 16.6 -23.8 | 306 16 13.2 -9.5 6 760 2438 290 32 30.1 -10.9 | 263 27 26.6 3.3 7 734 2743 290 24 22.6 -8.2 | 253 20 19.1 6.0 8 700 3142 300 25 21.7 -12.5 | 265 18 18.2 1.7 9 632 3962 330 12 6.0 -10.4 | 213 5 2.5 3.8 10 609 4267 360 8 -0.0 -8.0 | 151 7 -3.5 6.2 11 586 4572 355 9 0.8 -9.0 | 153 6 -2.7 5.2 12 565 4877 325 10 5.7 -8.2 | 201 6 2.3 6.0 13 524 5486 315 17 12.0 -12.0 | 256 9 8.5 2.2 14 504 5791 315 11 7.8 -7.8 | 214 8 4.3 6.4 15 500 5860 45 8 -5.7 -5.7 | 133 13 -9.1 8.5 16 485 6096 70 6 -5.6 -2.1 | 143 15 -9.1 12.2 17 466 6401 75 8 -7.7 -2.1 | 137 17 -11.2 12.1 18 448 6706 115 5 -4.5 2.1 | 154 18 -8.0 16.3 19 431 7010 130 12 -9.2 7.7 | 150 25 -12.7 21.9 20 400 7580 130 24 -18.4 15.4 | 144 37 -21.9 29.6 21 398 7620 140 21 -13.5 16.1 | 151 35 -17.0 30.3 22 382 7925 115 32 -29.0 13.5 | 130 43 -32.5 27.7 23 337 8839 85 33 -32.9 -2.9 | 107 38 -36.4 11.3 24 324 9144 85 27 -26.9 -2.4 | 111 33 -30.4 11.9 25 300 9700 90 30 -30.0 0.0 | 113 36 -33.5 14.2 26 298 9754 85 30 -29.9 -2.6 | 109 35 -33.4 11.6 27 250 10960 85 41 -40.8 -3.6 | 103 46 -44.3 10.6 28 250 10973 80 37 -36.4 -6.4 | 101 41 -39.9 7.8 29 238 11278 90 50 -50.0 0.0 | 105 55 -53.5 14.2 30 200 12440 90 58 -58.0 0.0 | 103 63 -61.5 14.2 31 150 14240 95 55 -54.8 4.8 | 108 61 -58.3 19.0 32 111 16016 100 57 -56.1 9.9 | 112 64 -59.6 24.1 33 108 16154 100 61 -60.1 10.6 | 111 68 -63.6 24.8 34 100 16620 95 39 -38.9 3.4 | 113 46 -42.3 17.6 35 98 16764 100 42 -41.4 7.3 | 116 50 -44.8 21.5 Wind Parameters Mean winds (0-6000m): 316.2 at 19.5 knts Storm direction: 346.2 at 14.6 knts Shear (0-3000m) pos: 1.5 neg: 4.5 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 96.2 deg Storm rel helicity (0-3000m) pos: 63.7 neg: -129.6 tot: -65.8 m^2/s^2 ave: -21.9 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 11.3 stream: 0.3 10^-3/s Energy-Hel index: 0.37 Bulk Rich Number: 361.73 Bulk Shear: 3.34 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 ------------------------------------------------------------------------------- 500 320 15 243 7| 0.0 23.6 23.6| 33.5 0.0 33.5 67.0 0.71| 26.3 18.6 1000 329 21 297 8| 3.0 11.8 14.8| 48.4 -4.4 43.9 43.9 0.66| 17.0 11.2 1500 329 23 304 10| 2.0 8.3 10.3| 48.4 -21.3 27.1 18.0 0.47| 13.0 6.0 2000 324 25 298 13| 1.5 7.0 8.6| 48.4 -64.9 -16.5 -8.2 0.19| 12.3 2.4 2500 317 26 289 15| 1.2 5.4 6.6| 48.4-116.8 -68.4 -27.3 0.02| 12.0 0.2 3000 313 26 283 16| 1.5 4.5 6.1| 63.7-129.6 -65.8 -21.9 0.03| 11.3 0.3 4000 312 24 278 14| 3.0 3.4 6.4| 68.8-141.7 -72.8 -18.2 -0.06| 11.0 -0.6 5000 315 21 273 11| 2.7 3.4 6.1| 79.8-145.3 -65.5 -13.1 -0.00| 10.1 -0.0 6000 316 20 269 10| 3.6 3.1 6.7| 94.9-181.8 -86.9 -14.5 -0.11| 10.9 -1.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250820.12.gif