UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025082100.upa.cvt Date: 0000Z 21 AUG 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 21 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 1002 70 23.8 21.5 87 2.3 22.2 320 2 296.8 299.7 295.3 343.9 16.32 1 1000 87 24.2 20.7 81 3.5 21.8 25 2 297.4 300.2 294.9 342.4 15.55 2 985 220 25.0 20.1 74 4.9 21.5 352 15 299.4 302.2 295.3 343.8 15.20 3 925 770 22.2 16.2 69 6.0 18.1 330 28 302.0 304.3 294.1 339.3 12.62 4 850 1503 18.4 11.4 64 7.0 13.9 320 30 305.4 307.3 293.2 335.5 10.01 5 814 1872 16.2 11.2 72 5.0 13.0 311 31 306.9 308.8 293.9 338.0 10.32 6 791 2115 16.6 6.6 52 10.0 10.6 306 31 309.8 311.3 292.7 333.7 7.75 7 747 2598 12.6 4.6 58 8.0 7.9 306 24 310.6 312.0 292.4 332.6 7.14 8 743 2644 14.0 -6.0 24 20.0 4.4 305 23 312.6 313.2 289.7 323.1 3.28 9 736 2723 15.0 -22.0 6 37.0 1.7 303 22 314.6 314.7 287.9 317.6 0.89 10 704 3098 13.4 -24.6 5 38.0 0.4 300 16 316.8 316.9 288.5 319.4 0.74 11 700 3146 13.0 -25.0 5 38.0 0.2 305 14 316.9 317.0 288.5 319.4 0.72 12 609 4294 3.4 -18.6 18 22.0 -4.5 345 4 318.7 319.0 289.9 323.6 1.45 13 594 4496 2.0 -19.0 19 21.0 -5.4 342 6 319.3 319.6 290.0 324.2 1.43 14 584 4633 1.0 -9.0 47 10.0 -3.5 339 7 319.7 320.4 291.9 330.6 3.31 15 573 4785 0.0 -11.0 43 11.0 -4.7 337 9 320.3 320.9 291.7 329.9 2.88 16 555 5040 -1.1 -9.1 55 8.0 -4.7 347 8 321.9 322.6 292.6 333.4 3.46 17 520 5559 -1.7 -21.7 20 20.0 -8.4 87 13 327.3 327.5 292.2 331.8 1.30 18 500 5870 -3.3 -19.3 28 16.0 -9.0 95 15 329.0 329.3 293.0 334.8 1.66 19 477 6241 -6.1 -19.1 35 13.0 -10.7 83 12 330.0 330.4 293.4 336.2 1.77 20 430 7042 -13.5 -22.5 47 9.0 -16.2 101 14 330.5 330.8 293.2 335.7 1.46 21 400 7590 -16.5 -26.5 42 10.0 -19.1 110 31 333.5 333.8 293.7 337.5 1.10 22 393 7723 -17.1 -28.1 38 11.0 -19.8 114 29 334.4 334.6 293.8 338.0 0.96 23 300 9690 -31.5 -47.5 19 16.0 -33.1 90 36 341.0 341.0 294.7 341.7 0.17 24 284 10074 -34.1 -56.1 9 22.0 -35.6 90 39 342.6 342.7 295.0 342.9 0.07 25 250 10950 -40.9 -60.9 10 20.0 -41.8 90 47 345.3 345.3 295.6 345.4 0.04 26 217 11899 -48.7 -66.7 11 18.0 -49.2 85 49 347.4 347.5 296.1 347.5 0.02 27 200 12430 -53.7 -66.7 19 13.0 -53.9 100 49 347.7 347.7 296.1 347.8 0.02 28 155 14022 -66.4 -72.6 42 6.2 -66.4 85 68 352.4 352.4 297.2 352.5 0.01 29 154 14061 -66.7 -72.7 42 6.0 -66.7 85 68 352.5 352.5 297.2 352.6 0.01 30 150 14220 -67.9 -73.9 42 6.0 -67.9 85 68 353.1 353.1 297.3 353.2 0.01 31 145 14423 -69.5 -75.5 41 6.0 -69.5 84 66 353.8 353.8 297.4 353.8 0.01 32 136 14804 -71.7 -78.7 34 7.0 -71.8 83 62 356.4 356.4 298.0 356.5 0.01 33 131 15026 -71.1 -83.1 15 12.0 -71.2 83 60 361.3 361.3 299.0 361.4 0.00 34 109 16102 -76.3 -88.3 13 12.0 -76.3 76 48 371.0 371.0 300.8 371.1 0.00 35 100 16600 -75.9 -86.9 16 11.0 -75.9 95 38 381.1 381.1 302.4 381.1 0.00 36 70 18680 -72.5 -88.5 7 16.0 -72.6 90 37 429.3 429.3 308.7 429.3 0.00 37 50 20690 -67.5 -92.5 2 25.0 -67.7 80 30 484.4 484.4 313.8 484.4 0.00 38 30 23860 -59.5 -93.5 0 34.0 -60.5 75 46 582.4 582.4 319.8 582.4 0.00 39 20 26390 -57.9 -91.9 1 34.0 -59.6 90 68 658.9 658.9 323.0 659.0 0.00 40 10 30930 -41.9 -79.9 1 38.0 -51.1 90 74 863.1 863.2 328.7 863.8 0.07 TRP WND 155 14022 -66.4 -72.6 42 6.2 -66.4 85 68 352.4 352.4 297.2 352.5 0.01 Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 573.00 mb = 4785.16 m = 15699.14 ft Wetbulb zero: 696.20 mb = 3190.84 m = 10468.51 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 40.86 % Est. max temperature: 32.35 C = 90.23 F Sfc-Lift cond lev (LCL): 969.25 mb = 360.88 m = 1183.99 ft T: 24.28 C 700-500 lapse rate: 5.98 C/km ThetaE index: 20.43 C Layer 791.0- 704.0 mb Conv cond level (CCL): 769.17 mb = 2351.53 m = 7714.89 ft Mean mixing ratio: 13.75 g/kg Conv temperature: 37.26 C = 99.07 F Cap Strength: 5.12 C Lifted Index: 3.01 C Risk: None Lifted Index @300 mb: 1.88 C Lifted Index @700 mb: 4.95 C Showalter Index: 5.41 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 14.70 C K Index: -4.90 Risk: None Sweat Index: 211.80 Risk: None Energy Index: -0.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.04 J/kg Max Up Vert Vel: 5.11 m/s Conv Inhibition (B-): 31738.19 J/kg Cap Strength: 5.11 C Lift Cond Lev (LCL): 879.66 mb = 1205.70 m = 3955.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 355 at 13 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 1002 70 320 2 1.3 -1.5 | 181 11 0.2 11.4 1 1000 87 25 2 -0.8 -1.8 | 170 11 -2.0 11.2 2 975 305 330 23 11.5 -19.9 | 304 12 10.4 -7.0 3 942 610 330 27 13.5 -23.4 | 310 16 12.4 -10.4 4 925 770 330 28 14.0 -24.2 | 311 17 12.9 -11.3 5 910 914 325 31 17.8 -25.4 | 307 21 16.7 -12.4 6 850 1503 320 30 19.3 -23.0 | 299 21 18.2 -10.0 7 789 2134 305 31 25.4 -17.8 | 281 25 24.3 -4.8 8 761 2438 310 26 19.9 -16.7 | 281 19 18.8 -3.7 9 708 3048 295 18 16.3 -7.6 | 251 16 15.2 5.4 10 700 3146 305 14 11.5 -8.0 | 244 11 10.3 4.9 11 657 3658 335 6 2.5 -5.4 | 191 8 1.4 7.5 12 633 3962 10 5 -0.9 -4.9 | 166 8 -2.0 8.0 13 609 4267 345 4 1.0 -3.9 | 179 9 -0.1 9.1 14 565 4877 335 10 4.2 -9.1 | 218 5 3.1 3.9 15 544 5182 360 6 -0.0 -6.0 | 171 7 -1.1 7.0 16 524 5486 85 12 -12.0 -1.0 | 132 18 -13.1 11.9 17 500 5870 95 15 -14.9 1.3 | 132 21 -16.1 14.3 18 486 6096 85 14 -13.9 -1.2 | 128 19 -15.1 11.7 19 467 6401 80 9 -8.9 -1.6 | 139 15 -10.0 11.4 20 415 7315 110 16 -15.0 5.5 | 139 25 -16.2 18.4 21 400 7590 110 31 -29.1 10.6 | 128 38 -30.3 23.6 22 398 7620 115 29 -26.3 12.3 | 133 37 -27.4 25.2 23 323 9144 100 34 -33.5 5.9 | 119 39 -34.6 18.9 24 300 9690 90 36 -36.0 0.0 | 109 39 -37.1 13.0 25 250 10950 90 47 -47.0 0.0 | 105 50 -48.1 13.0 26 249 10973 90 47 -47.0 0.0 | 105 50 -48.1 13.0 27 238 11278 90 51 -51.0 0.0 | 104 54 -52.1 13.0 28 217 11887 85 49 -48.8 -4.3 | 100 51 -49.9 8.7 29 207 12192 95 48 -47.8 4.2 | 109 52 -48.9 17.1 30 200 12430 100 49 -48.3 8.5 | 114 54 -49.4 21.5 31 188 12802 100 48 -47.3 8.3 | 114 53 -48.4 21.3 32 179 13106 95 53 -52.8 4.6 | 108 57 -53.9 17.6 33 155 14022 85 68 -67.7 -5.9 | 96 69 -68.9 7.0 34 150 14220 85 68 -67.7 -5.9 | 96 69 -68.9 7.0 35 114 15850 80 52 -51.2 -9.0 | 94 52 -52.3 3.9 36 108 16154 75 47 -45.4 -12.2 | 91 47 -46.5 0.8 37 100 16600 95 38 -37.9 3.3 | 113 42 -39.0 16.3 38 70 18680 90 37 -37.0 0.0 | 109 40 -38.1 13.0 39 50 20690 80 30 -29.5 -5.2 | 104 32 -30.7 7.8 40 30 23860 75 46 -44.4 -11.9 | 91 46 -45.6 1.1 41 20 26390 90 68 -68.0 0.0 | 101 70 -69.1 13.0 42 10 30930 90 74 -74.0 0.0 | 100 76 -75.1 13.0 Wind Parameters Mean winds (0-6000m): 325.0 at 17.4 knts Storm direction: 355.0 at 13.0 knts Shear (0-3000m) pos: 3.2 neg: 2.3 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 69.2 deg Storm rel helicity (0-3000m) pos: 8.7 neg: -117.8 tot: -109.1 m^2/s^2 ave: -36.4 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 11.2 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 18.67 Bulk Shear: 0.70 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 ------------------------------------------------------------------------------- 500 331 19 293 9| 25.2 0.0 25.2| 6.0 -8.8 -2.9 -5.7 0.35| 35.0 12.4 1000 329 24 304 13| 12.6 2.7 15.3| 8.2 -20.4 -12.2 -12.2 0.26| 20.6 5.3 1500 326 26 303 16| 8.4 2.3 10.7| 8.2 -35.9 -27.7 -18.5 0.17| 14.7 2.6 2000 322 27 299 18| 6.3 3.2 9.5| 8.2 -69.1 -60.9 -30.5 0.04| 12.7 0.5 2500 319 27 295 18| 3.9 2.6 6.4| 8.7 -84.3 -75.7 -30.3 -0.01| 11.7 -0.2 3000 317 26 290 18| 3.2 2.3 5.5| 8.7-117.8-109.1 -36.4 -0.13| 11.2 -1.4 4000 317 22 282 14| 2.2 1.7 3.9| 10.3-144.0-133.7 -33.4 -0.23| 10.7 -2.5 5000 319 19 275 11| 1.9 1.4 3.3| 20.0-148.3-128.3 -25.7 -0.18| 9.6 -1.8 6000 325 17 278 9| 2.2 1.1 3.2| 23.5-168.9-145.4 -24.2 -0.21| 10.0 -2.1 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250821.00.gif