UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 22 APR 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 1003 71 27.0 24.9 88 2.1 25.4 0 0 299.9 303.6 298.5 359.0 20.14 1 1000 97 27.4 24.3 83 3.1 25.1 330 4 300.5 304.1 298.2 357.8 19.47 2 992 168 27.8 24.0 80 3.8 25.0 330 7 301.6 305.2 298.4 358.6 19.27 3 925 786 23.2 21.0 87 2.2 21.6 305 14 303.0 306.2 297.5 354.0 17.17 4 892 1103 20.8 19.4 92 1.4 19.8 303 13 303.7 306.7 297.0 351.6 16.10 5 864 1380 20.8 11.8 56 9.0 15.0 308 12 306.5 308.4 293.6 337.0 10.11 6 855 1471 19.8 16.5 81 3.3 17.5 309 12 306.4 309.0 296.3 348.3 13.95 7 850 1522 19.4 16.8 85 2.6 17.6 310 12 306.5 309.1 296.5 349.4 14.31 8 790 2149 15.4 13.1 86 2.3 13.8 21 8 308.7 310.9 295.6 345.3 12.09 9 760 2477 13.6 6.6 63 7.0 9.4 41 13 310.2 311.7 293.0 335.0 8.07 10 732 2793 11.6 3.6 58 8.0 7.0 50 14 311.3 312.6 292.3 332.4 6.78 11 702 3142 8.6 5.0 78 3.6 6.5 59 16 311.8 313.2 293.3 335.9 7.82 12 700 3166 8.4 5.4 81 3.0 6.6 60 16 311.8 313.3 293.5 336.7 8.06 13 667 3562 6.6 -1.4 57 8.0 2.4 60 13 314.1 315.1 291.9 330.5 5.18 14 661 3636 7.0 -8.0 33 15.0 0.1 60 12 315.4 316.0 290.5 325.6 3.16 15 621 4145 3.6 -15.4 23 19.0 -3.7 52 14 317.1 317.5 289.8 323.3 1.86 16 601 4410 4.0 -25.0 10 29.0 -5.2 63 12 320.6 320.8 289.8 323.5 0.84 17 545 5197 0.0 -28.0 10 28.0 -8.1 65 10 324.9 325.1 291.0 327.5 0.70 18 508 5755 -3.9 -13.9 46 10.0 -7.9 88 6 326.8 327.3 293.2 335.6 2.57 19 503 5833 -4.3 -19.3 30 15.0 -9.5 89 6 327.2 327.6 292.5 333.0 1.65 20 500 5880 -4.7 -17.7 35 13.0 -9.4 90 6 327.3 327.7 292.7 333.9 1.90 21 498 5911 -4.9 -14.9 45 10.0 -8.8 90 6 327.4 327.9 293.2 335.7 2.41 22 493 5990 -5.5 -13.5 53 8.0 -8.7 90 5 327.7 328.2 293.6 337.0 2.74 23 484 6134 -6.1 -21.1 29 15.0 -11.1 94 5 328.6 328.9 292.7 333.8 1.47 24 479 6215 -6.3 -28.3 16 22.0 -12.3 103 6 329.4 329.5 292.3 332.2 0.77 25 476 6264 -6.3 -32.3 11 26.0 -12.8 109 7 330.0 330.1 292.2 332.0 0.53 26 471 6346 -6.7 -15.7 49 9.0 -10.2 118 7 330.5 331.0 294.0 338.8 2.39 27 467 6412 -6.9 -11.9 67 5.0 -9.0 125 8 331.0 331.7 294.8 342.3 3.29 28 444 6803 -9.1 -15.1 62 6.0 -11.5 115 7 333.1 333.6 294.9 342.4 2.67 29 437 6925 -9.7 -20.7 40 11.0 -13.4 112 7 333.8 334.2 294.3 339.8 1.68 30 421 7211 -12.1 -19.1 56 7.0 -14.5 123 11 334.3 334.7 294.7 341.4 2.01 31 410 7412 -12.3 -23.3 39 11.0 -15.7 133 11 336.6 336.9 294.7 341.8 1.43 32 400 7600 -13.7 -24.7 39 11.0 -16.9 140 8 337.2 337.4 294.8 341.9 1.29 33 361 8371 -20.3 -23.9 73 3.6 -21.3 102 10 338.4 338.7 295.3 344.0 1.54 34 316 9346 -27.1 -32.1 62 5.0 -28.0 114 16 342.1 342.2 295.6 345.2 0.82 35 313 9415 -26.7 -36.7 38 10.0 -28.4 121 16 343.6 343.7 295.7 345.6 0.53 36 300 9720 -29.5 -37.5 46 8.0 -30.7 110 19 343.8 343.9 295.7 345.8 0.51 37 274 10358 -34.3 -46.3 29 12.0 -35.5 105 21 345.9 345.9 295.9 346.8 0.22 38 256 10828 -38.5 -45.5 48 7.0 -39.1 109 24 346.5 346.5 296.1 347.5 0.26 39 250 10990 -39.5 -46.5 47 7.0 -40.1 95 27 347.3 347.4 296.3 348.3 0.23 40 248 11045 -40.1 -46.1 53 6.0 -40.6 96 27 347.2 347.3 296.3 348.3 0.25 41 230 11556 -43.9 -59.9 15 16.0 -44.6 109 27 349.0 349.0 296.5 349.2 0.05 42 200 12480 -51.7 -67.7 13 16.0 -52.1 115 44 350.9 350.9 296.8 351.0 0.02 43 150 14270 -67.3 -78.3 20 11.0 -67.4 110 43 354.2 354.2 297.5 354.2 0.01 44 147 14392 -68.3 -78.3 22 10.0 -68.4 109 42 354.5 354.5 297.6 354.5 0.01 45 100 16620 -84.1 -89.1 41 5.0 -84.1 65 23 365.2 365.2 299.7 365.2 0.00 46 98 16732 -84.5 -89.5 41 5.0 -84.5 65 25 366.6 366.6 299.9 366.6 0.00 47 95 16906 -81.3 -89.3 25 8.0 -81.3 57 22 376.1 376.1 301.6 376.1 0.00 48 77 18108 -74.9 -86.9 14 12.0 -74.9 309 16 412.7 412.7 306.9 412.8 0.00 49 70 18660 -76.5 -87.5 16 11.0 -76.6 260 13 420.7 420.7 307.8 420.7 0.00 50 68 18826 -77.5 -88.5 15 11.0 -77.6 263 13 422.1 422.1 308.0 422.1 0.00 51 60 19551 -71.9 -88.9 6 17.0 -72.0 274 14 450.0 450.0 310.8 450.0 0.00 52 56 19954 -73.5 -88.5 8 15.0 -73.6 280 14 455.3 455.3 311.4 455.3 0.00 53 51 20502 -71.7 -89.7 5 18.0 -71.8 288 15 471.8 471.8 312.8 471.9 0.00 54 50 20620 -66.3 -89.3 3 23.0 -66.5 290 15 487.2 487.2 314.0 487.3 0.00 55 43 21535 -66.3 -90.3 2 24.0 -66.6 252 15 508.7 508.7 315.5 508.7 0.00 56 39 22129 -65.1 -91.1 2 26.0 -65.5 227 15 526.2 526.2 316.7 526.2 0.00 57 34 22980 -58.3 -92.3 1 34.0 -59.3 192 14 565.1 565.1 318.9 565.1 0.00 58 30 23770 -57.5 -91.5 1 34.0 -58.7 160 14 587.9 587.9 320.0 587.9 0.00 59 29 23985 -57.1 -91.1 1 34.0 -58.4 156 16 594.7 594.7 320.3 594.7 0.00 60 27 24435 -59.5 -93.5 0 34.0 -60.6 147 21 600.3 600.3 320.6 600.3 0.00 61 25 24917 -59.5 -93.5 0 34.0 -60.6 138 26 613.6 613.6 321.2 613.6 0.00 62 23 25445 -54.1 -89.1 1 35.0 -56.3 127 31 644.3 644.3 322.4 644.3 0.01 63 23 25445 -51.9 -87.9 1 36.0 -54.6 127 31 650.8 650.8 322.7 650.8 0.01 64 21 26033 -53.7 -88.7 1 35.0 -56.1 116 37 662.5 662.5 323.2 662.5 0.01 65 21 26033 -53.7 -88.7 1 35.0 -56.1 116 37 662.5 662.5 323.2 662.5 0.01 66 20 26350 -49.1 -86.1 1 37.0 -52.9 110 40 685.9 685.9 324.0 686.0 0.01 67 19 26688 -47.1 -84.1 1 37.0 -51.7 702.2 702.2 324.5 702.4 0.02 68 13 29206 -46.1 786.2 TRP 98 16732 -84.5 -89.5 41 5.0 -84.5 65 25 366.6 366.6 299.9 366.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 545.00 mb = 5197.30 m = 17051.29 ft Wetbulb zero: 659.58 mb = 3653.85 m = 11987.56 ft Precipitable water: 1.93 inches Sfc-500 mean rel hum: 54.04 % Est. max temperature: 33.52 C = 92.34 F Sfc-Lift cond lev (LCL): 973.37 mb = 335.91 m = 1102.05 ft T: 26.55 C 700-500 lapse rate: 4.83 C/km ThetaE index: 21.60 C Layer 925.0- 855.0 mb Conv cond level (CCL): 899.48 mb = 1030.28 m = 3380.15 ft Mean mixing ratio: 18.03 g/kg Conv temperature: 30.67 C = 87.20 F Cap Strength: 1.15 C Lifted Index: -3.72 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.21 C Lifted Index @700 mb: -3.75 C Showalter Index: -1.56 C Risk: Thunderstorms probable Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.50 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 231.60 Risk: None Energy Index: -3.06 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1504.15 J/kg Max Up Vert Vel: 54.85 m/s Conv Inhibition (B-): 14.64 J/kg Cap Strength: 1.09 C Lift Cond Lev (LCL): 915.01 mb = 880.79 m = 2889.70 ft Lev Free Conv (LFC): 830.01 mb = 1725.81 m = 5662.04 ft Equ Level (EL): 140.01 mb = 14673.58 m = 48141.09 ft B at Equ Level: 1502.14 J/kg Max Parcel Lev (MPL): 80.01 mb = 17888.38 m = 58688.18 ft Wind level data Storm motion: 61 at 8 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 1003 71 0 0 -0.0 -0.0 | 241 8 7.4 4.1 1 1000 97 330 4 2.0 -3.5 | 266 9 9.4 0.6 2 977 305 330 12 6.0 -10.4 | 295 15 13.4 -6.3 3 925 786 305 14 11.5 -8.0 | 282 19 18.9 -4.0 4 911 914 300 14 12.1 -7.0 | 279 20 19.5 -2.9 5 850 1522 310 12 9.2 -7.7 | 282 17 16.6 -3.6 6 850 1524 315 13 9.2 -9.2 | 287 17 16.6 -5.1 7 820 1829 335 9 3.8 -8.2 | 290 12 11.2 -4.1 8 791 2134 20 8 -2.7 -7.5 | 307 6 4.7 -3.5 9 763 2438 40 13 -8.4 -10.0 | 9 6 -1.0 -5.9 10 700 3166 60 16 -13.9 -8.0 | 59 8 -6.5 -3.9 11 659 3658 60 12 -10.4 -6.0 | 57 4 -3.0 -1.9 12 611 4267 50 15 -11.5 -9.6 | 36 7 -4.1 -5.6 13 588 4572 80 8 -7.9 -1.4 | 170 3 -0.5 2.7 14 545 5182 65 10 -9.1 -4.2 | 85 2 -1.7 -0.2 15 525 5486 85 7 -7.0 -0.6 | 187 3 0.4 3.5 16 500 5880 90 6 -6.0 0.0 | 199 4 1.4 4.1 17 486 6096 90 5 -5.0 0.0 | 210 5 2.4 4.1 18 467 6401 125 8 -6.6 4.6 | 186 9 0.8 8.7 19 432 7010 110 7 -6.6 2.4 | 187 7 0.8 6.5 20 415 7315 130 13 -10.0 8.4 | 168 13 -2.6 12.4 21 400 7600 140 8 -5.1 6.1 | 192 10 2.3 10.2 22 399 7620 140 10 -6.4 7.7 | 185 12 1.0 11.7 23 383 7925 110 6 -5.6 2.1 | 196 6 1.8 6.1 24 367 8230 110 9 -8.5 3.1 | 172 7 -1.1 7.1 25 352 8534 90 11 -11.0 0.0 | 138 5 -3.6 4.1 26 338 8839 65 17 -15.4 -7.2 | 69 9 -8.0 -3.1 27 311 9449 125 16 -13.1 9.2 | 157 14 -5.7 13.2 28 300 9720 110 19 -17.9 6.5 | 135 15 -10.5 10.6 29 274 10363 105 21 -20.3 5.4 | 126 16 -12.9 9.5 30 251 10973 110 25 -23.5 8.6 | 128 20 -16.1 12.6 31 250 10990 95 27 -26.9 2.4 | 108 21 -19.5 6.4 32 229 11582 110 27 -25.4 9.2 | 126 22 -18.0 13.3 33 219 11887 115 32 -29.0 13.5 | 129 28 -21.6 17.6 34 200 12480 115 44 -39.9 18.6 | 125 40 -32.5 22.7 35 150 14270 110 43 -40.4 14.7 | 120 38 -33.0 18.8 36 127 15240 105 37 -35.7 9.6 | 116 31 -28.3 13.6 37 114 15850 115 17 -15.4 7.2 | 145 14 -8.0 11.3 38 100 16620 65 23 -20.8 -9.7 | 67 15 -13.5 -5.7 39 98 16732 65 25 -22.7 -10.6 | 67 17 -15.3 -6.5 40 97 16764 70 23 -21.6 -7.9 | 75 15 -14.2 -3.8 41 70 18660 260 13 12.8 2.3 | 253 21 20.2 6.3 42 50 20620 290 15 14.1 -5.1 | 273 22 21.5 -1.1 43 30 23770 160 14 -4.8 13.2 | 189 17 2.6 17.2 44 20 26350 110 40 -37.6 13.7 | 120 35 -30.2 17.7 Wind Parameters Mean winds (0-6000m): 31.2 at 11.2 knts Storm direction: 61.2 at 8.4 knts Shear (0-3000m) pos: 4.2 neg: 2.3 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 171.7 deg Storm rel helicity (0-3000m) pos: 64.5 neg: -21.5 tot: 42.9 m^2/s^2 ave: 14.3 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 3.8 10^-3/s Energy-Hel index: 0.44 Bulk Rich Number: 83.79 Bulk Shear: 17.95 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 ------------------------------------------------------------------------------- 500 325 10 288 14| 0.0 13.5 13.5| 25.2 -6.8 18.5 36.9 0.53| 15.5 8.2 1000 314 12 284 17| 0.0 6.9 6.9| 26.4 -21.5 4.9 4.9 0.27| 10.0 2.7 1500 311 12 283 17| 1.3 4.6 5.9| 38.1 -21.5 16.6 11.1 0.34| 8.0 2.7 2000 316 12 286 16| 3.3 3.5 6.8| 46.5 -21.5 25.0 12.5 0.32| 8.6 2.8 2500 329 11 293 14| 4.3 2.8 7.1| 57.8 -21.5 36.3 14.5 0.44| 8.5 3.8 3000 345 12 306 13| 4.2 2.3 6.5| 64.5 -21.5 42.9 14.3 0.49| 7.8 3.8 4000 10 12 328 10| 2.9 1.9 4.7| 65.9 -23.2 42.7 10.7 0.41| 6.8 2.8 5000 23 12 339 8| 2.1 1.6 3.7| 72.1 -25.2 46.9 9.4 0.40| 6.8 2.7 6000 31 11 344 6| 1.6 1.3 3.0| 75.7 -25.4 50.3 8.4 0.43| 6.2 2.7 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250422.00.gif