UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 18 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 1009 52 27.8 22.8 74 5.0 24.2 140 5 300.2 303.4 297.0 351.7 17.58 1 1000 115 27.4 21.4 70 6.0 23.1 140 16 300.5 303.5 296.3 348.2 16.25 2 955 521 23.6 20.9 85 2.7 21.7 142 19 300.7 303.7 296.4 349.2 16.51 3 925 799 21.6 16.8 74 4.8 18.3 135 21 301.4 303.8 294.3 340.0 13.12 4 920 846 21.2 17.2 78 4.0 18.5 137 21 301.5 303.9 294.6 341.3 13.54 5 899 1046 20.0 16.3 79 3.7 17.5 137 20 302.2 304.6 294.5 340.8 13.08 6 871 1320 19.8 7.8 46 12.0 12.6 130 15 304.8 306.2 291.1 327.8 7.64 7 865 1380 20.6 -4.4 18 25.0 8.3 129 14 306.2 306.8 287.5 316.1 3.19 8 850 1531 19.8 -1.2 24 21.0 8.8 125 11 306.9 307.7 288.6 319.7 4.12 9 818 1860 18.8 -9.2 14 28.0 6.1 101 13 309.2 309.7 287.6 316.7 2.33 10 791 2147 17.6 -10.4 14 28.0 5.1 115 8 310.9 311.3 288.1 318.0 2.19 11 787 2191 17.6 -2.4 25 20.0 7.2 112 8 311.4 312.1 290.0 324.2 4.07 12 766 2420 14.8 7.8 63 7.0 10.4 97 5 310.8 312.4 293.7 337.5 8.70 13 738 2734 13.0 3.0 51 10.0 7.3 100 10 312.1 313.4 292.3 332.2 6.45 14 727 2860 12.8 -10.2 19 23.0 2.6 102 12 313.3 313.7 289.1 321.1 2.42 15 700 3176 9.8 -11.2 21 21.0 0.8 95 14 313.3 313.8 289.0 320.9 2.32 16 697 3212 9.8 -15.2 16 25.0 -0.1 95 13 313.7 314.0 288.5 319.3 1.68 17 689 3307 8.8 -12.2 21 21.0 0.0 95 11 313.6 314.1 289.0 320.8 2.17 18 684 3367 7.6 3.7 76 3.9 5.4 94 10 313.0 314.4 293.3 335.7 7.32 19 675 3476 6.4 5.4 93 1.0 5.8 85 10 312.8 314.4 294.0 338.8 8.37 20 666 3586 6.2 4.1 86 2.1 5.0 76 10 313.8 315.3 293.8 337.9 7.74 21 664 3611 6.4 0.4 65 6.0 3.1 74 10 314.3 315.4 292.5 333.0 5.94 22 661 3648 6.6 3.8 82 2.8 4.9 71 10 314.9 316.4 294.0 338.8 7.63 23 658 3686 7.2 -8.8 31 16.0 -0.0 71 10 316.0 316.6 290.5 325.7 2.99 24 656 3711 7.0 3.4 78 3.6 4.9 72 10 316.1 317.5 294.2 339.6 7.47 25 654 3736 7.0 3.4 78 3.6 4.9 73 10 316.3 317.8 294.3 340.0 7.50 26 647 3824 7.6 -7.4 34 15.0 0.5 76 11 318.0 318.6 291.5 329.0 3.39 27 640 3914 7.0 2.0 70 5.0 4.1 80 11 318.3 319.6 294.4 340.3 6.93 28 624 4122 6.2 -0.8 61 7.0 2.4 88 11 319.7 320.8 293.9 338.3 5.79 29 568 4885 0.6 -1.9 83 2.5 -0.7 99 13 321.8 323.0 294.5 340.8 5.87 30 551 5128 -0.5 -4.5 74 4.0 -2.5 116 15 323.3 324.3 294.2 339.6 4.98 31 544 5230 0.0 -26.0 12 26.0 -7.9 119 15 325.1 325.3 291.2 328.1 0.84 32 528 5469 -2.3 -6.1 75 3.8 -4.1 114 16 325.1 326.0 294.4 340.3 4.60 33 524 5529 -1.9 -12.9 43 11.0 -6.5 113 16 326.3 326.9 293.2 335.5 2.70 34 510 5744 -3.9 -8.6 70 4.7 -6.1 108 17 326.4 327.2 294.2 339.5 3.92 35 500 5900 -4.7 -18.7 33 14.0 -9.6 105 17 327.3 327.7 292.6 333.4 1.75 36 499 5916 -4.5 -20.5 27 16.0 -9.9 105 17 327.7 328.0 292.5 333.0 1.50 37 496 5963 -4.9 -11.9 58 7.0 -7.9 105 17 327.8 328.4 293.9 338.3 3.10 38 492 6027 -5.7 -10.1 71 4.4 -7.7 105 16 327.6 328.3 294.3 339.8 3.61 39 490 6058 -5.7 -13.7 53 8.0 -8.9 105 16 328.0 328.5 293.6 337.2 2.71 40 485 6139 -6.1 -10.3 72 4.2 -7.9 106 16 328.5 329.2 294.5 340.6 3.60 41 482 6187 -5.5 -17.5 38 12.0 -9.9 108 16 329.8 330.2 293.5 336.8 2.01 42 479 6236 -5.5 -24.5 21 19.0 -11.3 109 16 330.4 330.6 292.9 334.3 1.10 43 473 6335 -6.3 -29.3 14 23.0 -12.5 113 17 330.6 330.7 292.6 333.2 0.71 44 440 6895 -10.5 -34.5 12 24.0 -15.9 95 19 332.2 332.3 292.7 333.9 0.47 45 432 7036 -11.1 -27.1 25 16.0 -15.5 90 20 333.1 333.3 293.5 336.7 0.96 46 427 7125 -12.3 -14.6 83 2.3 -13.2 90 19 332.7 333.3 295.0 342.7 2.89 47 408 7470 -14.7 -26.7 35 12.0 -17.9 88 19 334.0 334.2 293.8 337.8 1.05 48 400 7620 -15.5 -28.5 32 13.0 -18.7 85 22 334.8 335.0 293.9 338.2 0.91 49 392 7773 -16.9 -30.9 29 14.0 -20.1 84 24 335.0 335.1 293.7 337.7 0.74 50 390 7811 -15.1 -50.1 3 35.0 -20.1 83 25 337.8 337.8 293.9 338.2 0.10 51 389 7831 -15.1 -49.1 4 34.0 -20.1 83 25 338.0 338.1 294.0 338.5 0.11 52 356 8498 -18.9 -51.9 4 33.0 -23.1 83 33 341.6 341.6 294.8 342.0 0.09 53 306 9608 -28.3 -59.3 3 31.0 -30.7 92 35 343.5 343.6 295.2 343.7 0.04 54 300 9750 -29.3 -60.3 3 31.0 -31.6 90 31 344.1 344.1 295.3 344.2 0.04 55 289 10015 -31.5 -62.5 3 31.0 -33.5 81 27 344.6 344.6 295.4 344.8 0.03 56 265 10620 -36.3 -65.3 3 29.0 -37.7 62 19 346.3 346.3 295.8 346.4 0.02 57 250 11020 -39.1 -49.1 34 10.0 -39.9 70 21 347.9 348.0 296.3 348.7 0.18 58 200 12510 -52.3 -57.3 55 5.0 -52.5 75 15 349.9 350.0 296.7 350.3 0.08 59 150 14310 -67.5 -73.5 42 6.0 -67.5 50 14 353.8 353.8 297.4 353.9 0.01 60 100 16670 -79.7 -88.7 21 9.0 -79.7 190 10 373.7 373.7 301.2 373.7 0.00 61 87 17447 -83.9 -89.9 34 6.0 -83.9 100 12 380.5 380.5 302.3 380.5 0.00 62 79 17985 -79.5 -88.5 21 9.0 -79.5 98 11 400.2 400.2 305.2 400.2 0.00 63 71 18589 -79.1 -91.1 12 12.0 -79.1 95 10 413.5 413.5 306.9 413.5 0.00 64 70 18670 -76.3 -90.3 9 14.0 -76.3 335 1 421.2 421.2 307.9 421.2 0.00 65 68 18839 -73.5 -88.5 8 15.0 -73.6 279 8 430.7 430.7 308.9 430.7 0.00 66 57 19873 -73.5 -91.5 5 18.0 -73.6 206 9 453.0 453.0 311.1 453.0 0.00 67 53 20303 -69.7 -90.7 3 21.0 -69.9 264 7 471.3 471.3 312.7 471.3 0.00 68 50 20650 -70.5 -90.5 4 20.0 -70.6 260 21 477.4 477.4 313.2 477.4 0.00 69 45 21275 -70.7 -91.7 3 21.0 -70.9 247 18 491.5 491.5 314.3 491.5 0.00 70 44 21410 -67.1 -91.1 2 24.0 -67.4 240 16 503.4 503.4 315.2 503.4 0.00 71 39 22143 -64.1 -91.1 1 27.0 -64.6 231 9 528.7 528.7 316.8 528.7 0.00 TRP 87 17447 -83.9 -89.9 34 6.0 -83.9 100 12 380.5 380.5 302.3 380.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5785.00 m Freezing level: 558.73 mb = 5017.43 m = 16461.18 ft Freezing level: 544.00 mb = 5230.49 m = 17160.19 ft Freezing level: 544.00 mb = 5230.49 m = 17160.19 ft Wetbulb zero: 697.24 mb = 3208.80 m = 10527.42 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 54.80 % Est. max temperature: 34.10 C = 93.39 F Sfc-Lift cond lev (LCL): 938.62 mb = 671.51 m = 2203.08 ft T: 22.52 C 700-500 lapse rate: 5.32 C/km ThetaE index: 25.18 C Layer 899.0- 850.0 mb Conv cond level (CCL): 779.70 mb = 2269.81 m = 7446.80 ft Mean mixing ratio: 15.45 g/kg Conv temperature: 38.81 C = 101.86 F Cap Strength: 3.61 C Lifted Index: -0.38 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.09 C Lifted Index @700 mb: 0.23 C Showalter Index: 11.86 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 3.50 C K Index: 2.30 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.03 J/kg Max Up Vert Vel: 10.49 m/s Conv Inhibition (B-): 172.75 J/kg Cap Strength: 3.44 C Lift Cond Lev (LCL): 901.88 mb = 1018.50 m = 3341.49 ft Lev Free Conv (LFC): 686.88 mb = 3332.74 m = 10934.06 ft Equ Level (EL): 646.88 mb = 3825.81 m = 12551.72 ft B at Equ Level: 16.45 J/kg Max Parcel Lev (MPL): 606.88 mb = 4347.33 m = 14262.73 ft Wind level data Storm motion: 142 at 10 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 1009 52 140 5 -3.2 3.8 | 324 5 3.0 -4.1 1 1000 115 140 16 -10.3 12.3 | 136 6 -4.1 4.3 2 979 305 135 19 -13.4 13.4 | 127 9 -7.2 5.5 3 945 610 145 19 -10.9 15.6 | 148 9 -4.7 7.6 4 925 799 135 21 -14.8 14.8 | 128 11 -8.7 6.9 5 913 914 140 22 -14.1 16.9 | 138 12 -8.0 8.9 6 851 1524 125 11 -9.0 6.3 | 60 3 -2.8 -1.7 7 850 1531 125 11 -9.0 6.3 | 60 3 -2.8 -1.7 8 821 1829 100 14 -13.8 2.4 | 54 9 -7.6 -5.5 9 792 2134 115 8 -7.3 3.4 | 13 5 -1.1 -4.6 10 764 2438 95 5 -5.0 0.4 | 351 8 1.2 -7.5 11 711 3048 105 15 -14.5 3.9 | 64 9 -8.3 -4.1 12 700 3176 95 14 -13.9 1.2 | 49 10 -7.8 -6.8 13 685 3353 95 10 -10.0 0.9 | 28 8 -3.8 -7.1 14 660 3658 70 10 -9.4 -3.4 | 16 12 -3.2 -11.4 15 612 4267 95 12 -12.0 1.0 | 40 9 -5.8 -6.9 16 589 4572 80 12 -11.8 -2.1 | 29 12 -5.6 -10.1 17 546 5182 120 15 -13.0 7.5 | 86 7 -6.8 -0.5 18 500 5900 105 17 -16.4 4.4 | 71 11 -10.2 -3.6 19 487 6096 105 16 -15.5 4.1 | 68 10 -9.3 -3.8 20 469 6401 115 17 -15.4 7.2 | 85 9 -9.2 -0.8 21 433 7010 90 20 -20.0 0.0 | 60 16 -13.8 -8.0 22 416 7315 90 16 -16.0 0.0 | 51 13 -9.8 -8.0 23 400 7620 85 22 -21.9 -1.9 | 58 19 -15.7 -9.9 24 368 8230 80 31 -30.5 -5.4 | 61 28 -24.3 -13.4 25 312 9449 95 40 -39.8 3.5 | 82 34 -33.7 -4.5 26 300 9750 90 31 -31.0 0.0 | 72 26 -24.8 -8.0 27 263 10668 60 18 -15.6 -9.0 | 29 19 -9.4 -17.0 28 252 10973 65 21 -19.0 -8.9 | 37 21 -12.8 -16.8 29 250 11020 70 21 -19.7 -7.2 | 42 20 -13.5 -15.2 30 230 11582 75 17 -16.4 -4.4 | 40 16 -10.2 -12.4 31 210 12192 60 17 -14.7 -8.5 | 27 19 -8.5 -16.5 32 200 12510 75 15 -14.5 -3.9 | 35 14 -8.3 -11.9 33 191 12802 80 16 -15.8 -2.8 | 42 14 -9.6 -10.8 34 165 13716 20 21 -7.2 -19.7 | 2 28 -1.0 -27.7 35 150 14310 50 14 -10.7 -9.0 | 15 18 -4.5 -17.0 36 135 14935 65 10 -9.1 -4.2 | 13 13 -2.9 -12.2 37 128 15240 190 10 1.7 9.8 | 257 8 7.9 1.9 38 121 15545 190 20 3.5 19.7 | 219 15 9.7 11.7 39 115 15850 170 11 -1.9 10.8 | 236 5 4.3 2.9 40 109 16154 155 6 -2.5 5.4 | 305 4 3.7 -2.5 41 104 16459 165 10 -2.6 9.7 | 245 4 3.6 1.7 42 100 16670 190 10 1.7 9.8 | 257 8 7.9 1.9 43 93 17069 185 10 0.9 10.0 | 254 7 7.1 2.0 44 88 17374 110 11 -10.3 3.8 | 45 6 -4.1 -4.2 45 87 17447 100 12 -11.8 2.1 | 44 8 -5.6 -5.9 46 71 18593 95 10 -10.0 0.9 | 28 8 -3.8 -7.1 47 70 18670 335 1 0.4 -0.9 | 323 11 6.6 -8.9 48 67 18898 260 10 9.8 1.7 | 291 17 16.0 -6.2 49 64 19202 250 22 20.7 7.5 | 271 27 26.9 -0.4 50 61 19507 245 15 13.6 6.3 | 275 20 19.8 -1.6 51 58 19812 195 11 2.8 10.6 | 254 9 9.0 2.7 52 55 20117 245 1 0.9 0.4 | 317 10 7.1 -7.5 53 52 20422 275 11 11.0 -1.0 | 298 19 17.1 -8.9 54 50 20650 260 21 20.7 3.6 | 279 27 26.9 -4.3 55 46 21031 255 21 20.3 5.4 | 275 27 26.5 -2.5 56 43 21336 235 14 11.5 8.0 | 270 18 17.7 0.1 57 34 22555 225 2 1.4 1.4 | 311 10 7.6 -6.6 Wind Parameters Mean winds (0-6000m): 112.2 at 13.5 knts Storm direction: 142.2 at 10.1 knts Shear (0-3000m) pos: 3.7 neg: 2.6 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 98.9 deg Storm rel helicity (0-3000m) pos: 27.8 neg: -30.2 tot: -2.4 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 10.7 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.78 Bulk Shear: 8.12 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 ------------------------------------------------------------------------------- 500 138 17 133 7| 14.4 0.0 14.4| 7.0 -1.2 5.8 11.6 0.86| 22.7 19.5 1000 139 19 135 9| 7.2 1.2 8.4| 9.0 -9.0 0.0 0.0 0.59| 14.6 8.6 1500 137 18 131 8| 4.8 3.2 8.0| 9.0 -18.2 -9.2 -6.1 0.28| 12.8 3.5 2000 132 16 116 7| 3.6 3.1 6.7| 9.0 -24.5 -15.5 -7.7 0.15| 12.1 1.8 2500 129 14 103 5| 2.9 3.1 6.0| 12.1 -30.2 -18.1 -7.2 0.09| 11.1 1.0 3000 126 14 91 5| 3.7 2.6 6.3| 27.8 -30.2 -2.4 -0.8 0.20| 10.7 2.1 4000 117 13 70 6| 3.0 2.9 5.8| 35.7 -49.6 -13.9 -3.5 0.10| 9.8 0.9 5000 112 13 62 7| 3.0 2.4 5.4| 55.5 -54.1 1.5 0.3 0.15| 9.1 1.4 6000 112 13 65 7| 2.7 2.1 4.8| 59.2 -60.3 -1.2 -0.2 0.14| 8.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20250418.00.gif