UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 27 APR 25 Station: SBNT WMO ident: 82599 Latitude: -5.92 Longitude: -35.25 Elevation: 52.00 ------------------------------------------------------------------------------- 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 1007 52 27.8 23.0 75 4.8 24.3 130 6 300.4 303.6 297.2 352.7 17.83 1 1000 97 27.6 21.6 70 6.0 23.3 135 13 300.8 303.8 296.4 349.1 16.46 2 925 783 21.0 20.8 99 0.2 20.9 120 17 300.8 303.9 296.8 350.6 16.95 3 912 906 20.2 20.2 100 0.0 20.2 111 17 301.2 304.2 296.6 349.9 16.56 4 895 1068 18.8 17.8 94 1.0 18.1 102 15 301.4 304.0 295.3 344.0 14.48 5 874 1273 20.4 12.4 60 8.0 15.2 98 14 305.1 307.0 293.4 336.2 10.41 6 856 1453 19.2 15.5 79 3.7 16.7 107 12 305.6 308.1 295.4 344.7 13.05 7 850 1514 19.6 9.6 52 10.0 13.3 110 12 306.7 308.3 292.6 333.5 8.86 8 848 1534 20.2 5.2 37 15.0 11.4 120 14 307.5 308.7 291.0 327.5 6.55 9 837 1647 19.2 11.2 60 8.0 14.0 115 14 307.6 309.5 293.8 338.0 10.03 10 828 1740 19.6 -1.4 24 21.0 8.6 111 13 309.0 309.8 289.3 322.0 4.17 11 824 1782 18.4 11.4 64 7.0 13.8 110 13 308.1 310.1 294.2 339.5 10.33 12 790 2142 15.6 11.2 75 4.4 12.7 95 12 308.9 310.9 294.6 341.2 10.64 13 757 2503 13.8 6.8 63 7.0 9.6 98 11 310.7 312.3 293.3 336.0 8.22 14 735 2752 13.4 -5.6 26 19.0 4.2 90 12 312.9 313.6 289.9 323.9 3.42 15 717 2961 12.2 -1.8 38 14.0 4.8 111 11 313.8 314.7 291.3 328.7 4.68 16 700 3162 10.8 -4.2 35 15.0 3.3 120 11 314.4 315.2 290.9 327.2 4.00 17 686 3330 9.8 -0.2 50 10.0 4.4 108 11 315.2 316.2 292.4 332.6 5.50 18 669 3539 8.8 -6.2 34 15.0 1.6 94 12 316.3 317.0 291.1 327.9 3.59 19 661 3638 8.0 4.0 76 4.0 5.6 87 12 316.5 318.0 294.6 340.9 7.74 20 654 3726 7.8 -1.2 53 9.0 3.0 86 12 317.2 318.3 292.9 334.4 5.36 21 626 4085 5.2 2.8 84 2.4 3.8 83 15 318.3 319.7 294.8 342.1 7.50 22 588 4597 4.2 -18.8 17 23.0 -4.3 83 17 322.8 323.1 291.1 327.9 1.47 23 575 4778 2.6 -12.4 32 15.0 -3.7 90 17 323.0 323.5 292.2 331.7 2.57 24 573 4806 2.8 -22.2 14 25.0 -5.7 91 17 323.6 323.8 291.0 327.5 1.12 25 558 5021 2.2 -23.8 13 26.0 -6.4 100 18 325.3 325.5 291.4 328.9 1.00 26 550 5138 1.8 -35.2 4 37.0 -7.7 105 18 326.2 326.3 291.0 327.5 0.35 27 500 5900 -3.5 -41.5 3 38.0 -11.5 115 15 328.8 328.8 291.6 329.5 0.20 28 495 5979 -3.5 -42.5 3 39.0 -11.5 115 14 329.7 329.8 291.8 330.4 0.18 29 456 6622 -8.3 -20.3 37 12.0 -12.3 70 13 331.5 331.9 293.7 337.5 1.67 30 432 7041 -9.7 -46.7 3 37.0 -16.1 69 16 334.9 335.0 293.2 335.5 0.13 31 400 7630 -14.5 -38.5 11 24.0 -19.1 75 21 336.1 336.2 293.7 337.5 0.34 32 389 7840 -16.5 -38.5 13 22.0 -20.6 75 23 336.2 336.3 293.7 337.6 0.35 33 347 8692 -20.5 -55.5 3 35.0 -24.4 79 24 342.0 342.0 294.8 342.2 0.06 34 300 9750 -29.3 -57.3 5 28.0 -31.6 75 15 344.1 344.1 295.4 344.3 0.06 35 250 11020 -39.7 -65.7 5 26.0 -40.8 90 11 347.0 347.0 296.0 347.1 0.02 36 226 11704 -45.5 -65.5 9 20.0 -46.2 67 8 348.3 348.3 296.3 348.4 0.03 37 200 12510 -52.3 -69.3 11 17.0 -52.7 25 9 349.9 350.0 296.6 350.0 0.02 38 166 13684 -62.7 -71.7 29 9.0 -62.8 19 11 351.7 351.7 297.0 351.8 0.01 39 150 14300 -67.9 -73.9 42 6.0 -67.9 40 12 353.1 353.1 297.3 353.2 0.01 40 142 14626 -70.1 -78.1 30 8.0 -70.1 41 10 354.9 354.9 297.7 354.9 0.01 41 130 15142 -74.3 -78.9 49 4.6 -74.3 73 10 356.4 356.4 298.0 356.4 0.01 42 120 15605 -74.5 -82.5 28 8.0 -74.5 138 11 364.3 364.3 299.5 364.3 0.00 43 100 16640 -82.1 -86.7 45 4.6 -82.1 170 6 369.1 369.1 300.4 369.1 0.00 44 91 17168 -83.7 -88.7 41 5.0 -83.7 80 6 376.0 376.0 301.6 376.0 0.00 45 78 18040 -77.7 -88.7 15 11.0 -77.7 9 10 405.4 405.4 305.9 405.4 0.00 46 72 18498 -78.7 -89.7 15 11.0 -78.7 359 10 412.7 412.7 306.9 412.7 0.00 47 70 18660 -76.7 -89.7 11 13.0 -76.7 340 13 420.3 420.3 307.7 420.3 0.00 48 67 18915 -71.9 -88.9 6 17.0 -72.0 4 10 436.0 436.0 309.4 436.0 0.00 49 63 19277 -73.5 -90.5 6 17.0 -73.6 270 28 440.2 440.2 309.9 440.2 0.00 50 60 19566 -67.7 -89.7 3 22.0 -67.9 257 26 459.4 459.4 311.7 459.4 0.00 51 56 19984 -64.7 -89.7 2 25.0 -65.0 285 14 475.4 475.4 313.1 475.4 0.00 52 55 20094 -64.9 -88.9 2 24.0 -65.2 282 18 477.4 477.4 313.2 477.4 0.00 TRP 91 17168 -83.7 -88.7 41 5.0 -83.7 80 6 376.0 376.0 301.6 376.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 533.02 mb = 5396.72 m = 17705.54 ft Wetbulb zero: 608.14 mb = 4321.75 m = 14178.80 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 50.26 % Est. max temperature: 33.07 C = 91.53 F Sfc-Lift cond lev (LCL): 939.50 mb = 646.12 m = 2119.78 ft T: 22.32 C 700-500 lapse rate: 5.22 C/km ThetaE index: 17.36 C Layer 757.0- 717.0 mb Conv cond level (CCL): 915.86 mb = 869.11 m = 2851.39 ft Mean mixing ratio: 16.72 g/kg Conv temperature: 28.52 C = 83.33 F Cap Strength: 2.82 C Lifted Index: -0.53 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.90 C Lifted Index @700 mb: 0.23 C Showalter Index: 6.09 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 13.10 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 154.20 Risk: None Energy Index: -0.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 197.53 J/kg Max Up Vert Vel: 19.88 m/s Conv Inhibition (B-): 0.10 J/kg Cap Strength: 2.69 C Lift Cond Lev (LCL): 919.71 mb = 832.72 m = 2731.98 ft Lev Free Conv (LFC): 914.71 mb = 879.99 m = 2887.06 ft Equ Level (EL): 884.71 mb = 1168.16 m = 3832.49 ft B at Equ Level: 2.22 J/kg Max Parcel Lev (MPL): 874.71 mb = 1266.37 m = 4154.71 ft Wind level data Storm motion: 134 at 11 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 1007 52 130 6 -4.6 3.9 | 319 5 3.2 -3.7 1 1000 97 135 13 -9.2 9.2 | 140 2 -1.4 1.7 2 977 305 125 17 -13.9 9.8 | 110 7 -6.1 2.2 3 943 610 120 17 -14.7 8.5 | 98 7 -6.9 1.0 4 925 783 120 17 -14.7 8.5 | 98 7 -6.9 1.0 5 911 914 110 17 -16.0 5.8 | 78 8 -8.2 -1.7 6 879 1219 95 14 -13.9 1.2 | 44 9 -6.1 -6.3 7 850 1514 110 12 -11.3 4.1 | 45 5 -3.5 -3.4 8 849 1524 120 14 -12.1 7.0 | 83 4 -4.3 -0.5 9 790 2134 95 12 -12.0 1.0 | 33 8 -4.1 -6.5 10 762 2438 100 11 -10.8 1.9 | 28 6 -3.0 -5.6 11 735 2743 90 12 -12.0 0.0 | 29 9 -4.2 -7.5 12 709 3048 120 11 -9.5 5.5 | 40 3 -1.7 -2.0 13 700 3162 120 11 -9.5 5.5 | 40 3 -1.7 -2.0 14 659 3658 85 12 -12.0 -1.0 | 26 10 -4.1 -8.6 15 634 3962 90 14 -14.0 0.0 | 39 10 -6.2 -7.5 16 611 4267 70 16 -15.0 -5.5 | 29 15 -7.2 -13.0 17 526 5486 120 19 -16.5 9.5 | 103 9 -8.6 2.0 18 507 5791 105 15 -14.5 3.9 | 61 8 -6.7 -3.7 19 500 5900 115 15 -13.6 6.3 | 78 6 -5.8 -1.2 20 488 6096 115 13 -11.8 5.5 | 63 4 -4.0 -2.0 21 469 6401 80 12 -11.8 -2.1 | 23 10 -4.0 -9.6 22 451 6706 65 14 -12.7 -5.9 | 20 14 -4.9 -13.5 23 400 7630 75 21 -20.3 -5.4 | 44 18 -12.5 -13.0 24 369 8230 75 27 -26.1 -7.0 | 52 23 -18.3 -14.5 25 313 9449 85 20 -19.9 -1.7 | 53 15 -12.1 -9.3 26 300 9750 75 15 -14.5 -3.9 | 30 13 -6.7 -11.4 27 300 9754 75 16 -15.5 -4.1 | 33 14 -7.6 -11.7 28 287 10058 95 12 -12.0 1.0 | 33 8 -4.1 -6.5 29 252 10973 95 10 -10.0 0.9 | 18 7 -2.2 -6.7 30 250 11020 90 11 -11.0 0.0 | 23 8 -3.2 -7.5 31 200 12497 40 5 -3.2 -3.8 | 338 12 4.6 -11.4 32 200 12510 25 9 -3.8 -8.2 | 346 16 4.0 -15.7 33 182 13106 360 11 -0.0 -11.0 | 337 20 7.8 -18.5 34 150 14300 40 12 -7.7 -9.2 | 360 17 0.1 -16.7 35 149 14326 15 10 -2.6 -9.7 | 343 18 5.2 -17.2 36 134 14935 70 10 -9.4 -3.4 | 8 11 -1.6 -11.0 37 127 15240 75 10 -9.7 -2.6 | 10 10 -1.8 -10.1 38 109 16154 240 12 10.4 6.0 | 275 18 18.2 -1.5 39 103 16459 235 12 9.8 6.9 | 272 18 17.6 -0.7 40 100 16640 170 6 -1.0 5.9 | 284 7 6.8 -1.6 41 98 16764 170 6 -1.0 5.9 | 284 7 6.8 -1.6 42 91 17168 80 6 -5.9 -1.0 | 348 9 1.9 -8.6 43 83 17678 55 12 -9.8 -6.9 | 8 15 -2.0 -14.4 44 79 17983 15 10 -2.6 -9.7 | 343 18 5.2 -17.2 45 75 18288 345 10 2.6 -9.7 | 329 20 10.4 -17.2 46 71 18593 5 10 -0.9 -10.0 | 338 19 6.9 -17.5 47 70 18660 340 13 4.4 -12.2 | 328 23 12.3 -19.8 48 67 18898 5 10 -0.9 -10.0 | 338 19 6.9 -17.5 49 63 19202 270 28 28.0 -0.0 | 282 37 35.8 -7.5 50 60 19507 255 26 25.1 6.7 | 271 33 32.9 -0.8 51 56 19812 285 14 13.5 -3.6 | 298 24 21.3 -11.2 52 50 20422 270 38 38.0 -0.0 | 279 46 45.8 -7.5 Wind Parameters Mean winds (0-6000m): 104.0 at 14.5 knts Storm direction: 134.0 at 10.9 knts Shear (0-3000m) pos: 1.5 neg: 1.9 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 81.2 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -28.4 tot: -21.4 m^2/s^2 ave: -7.1 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 44.28 Bulk Shear: 4.46 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 ------------------------------------------------------------------------------- 500 126 15 108 5| 0.0 11.4 11.4| 0.9 -3.7 -2.8 -5.6 0.56| 17.2 9.6 1000 121 16 96 6| 0.0 5.5 5.5| 0.9 -14.5 -13.6 -13.6 0.19| 11.4 2.1 1500 115 15 80 6| 1.5 3.6 5.1| 4.9 -20.2 -15.3 -10.2 0.15| 10.5 1.6 2000 114 15 74 6| 1.1 3.0 4.2| 4.9 -26.3 -21.4 -10.7 0.02| 9.2 0.2 2500 111 14 65 6| 0.9 2.3 3.2| 5.0 -28.4 -23.3 -9.3 -0.01| 7.9 -0.1 3000 110 14 60 6| 1.5 1.9 3.5| 6.9 -28.4 -21.4 -7.1 0.02| 7.8 0.1 4000 107 13 53 6| 1.1 2.5 3.6| 12.5 -32.4 -20.0 -5.0 0.02| 7.2 0.1 5000 101 14 51 8| 1.5 2.2 3.7| 40.5 -37.8 2.7 0.5 0.11| 7.1 0.8 6000 104 14 57 7| 1.6 1.8 3.4| 55.1 -48.7 6.4 1.1 0.10| 7.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20250427.00.gif