UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 21 DEC 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 1008 52 29.2 22.2 66 7.0 24.1 120 9 301.7 304.8 297.0 351.6 16.95 1 1001 101 26.2 21.6 76 4.6 22.9 124 16 299.3 302.3 296.0 347.2 16.44 2 1000 108 26.2 21.7 76 4.5 23.0 125 17 299.4 302.4 296.1 347.7 16.56 3 948 577 21.6 20.4 93 1.2 20.8 121 17 299.3 302.2 295.8 346.3 16.12 4 925 790 20.8 16.5 76 4.3 17.9 120 16 300.6 302.9 293.9 338.3 12.87 5 892 1103 19.0 13.0 68 6.0 15.1 120 16 301.9 303.8 292.6 333.2 10.61 6 864 1376 16.8 14.0 84 2.8 15.0 127 17 302.3 304.5 293.6 337.0 11.71 7 850 1515 17.2 5.2 45 12.0 10.3 130 17 304.2 305.4 289.9 323.9 6.53 8 849 1525 17.2 5.2 45 12.0 10.3 135 19 304.3 305.5 290.0 324.0 6.54 9 839 1626 17.0 7.0 52 10.0 11.0 133 16 305.1 306.5 291.0 327.7 7.51 10 826 1760 18.2 -3.8 22 22.0 7.2 131 12 307.7 308.4 288.3 318.7 3.49 11 753 2544 11.4 6.4 71 5.0 8.4 144 4 308.6 310.1 292.6 333.1 8.03 12 728 2826 10.6 2.6 58 8.0 6.1 69 3 310.7 311.9 291.8 330.4 6.35 13 718 2942 12.0 -21.0 8 33.0 0.3 38 2 313.5 313.7 287.7 316.9 1.00 14 700 3154 10.8 -12.2 19 23.0 1.0 330 5 314.4 314.9 289.2 321.5 2.14 15 650 3767 6.6 -6.4 39 13.0 0.4 33 13 316.4 317.1 291.2 328.2 3.64 16 645 3830 6.4 -10.6 28 17.0 -1.0 35 14 316.9 317.4 290.5 325.6 2.64 17 616 4206 3.4 -8.6 41 12.0 -2.0 47 17 317.7 318.3 291.2 328.2 3.24 18 563 4927 -2.9 -12.9 46 10.0 -6.8 51 17 318.5 319.0 290.8 326.8 2.52 19 553 5069 -3.1 -21.1 23 18.0 -8.9 59 19 319.9 320.2 290.0 324.3 1.28 20 500 5860 -8.3 -28.3 18 20.0 -13.4 75 25 322.9 323.1 290.5 325.6 0.74 21 484 6112 -9.7 -29.7 18 20.0 -14.6 75 24 324.2 324.3 290.7 326.6 0.67 22 473 6289 -8.9 -41.9 5 33.0 -15.0 75 16 327.3 327.4 291.2 328.1 0.20 23 470 6338 -8.7 -41.7 5 33.0 -14.9 75 14 328.2 328.2 291.5 329.0 0.21 24 440 6847 -11.3 -44.3 5 33.0 -17.0 147 5 331.2 331.2 292.2 331.8 0.17 25 400 7570 -16.7 -44.7 7 28.0 -21.0 235 9 333.3 333.3 292.8 334.0 0.18 26 365 8253 -20.3 -38.3 18 18.0 -23.4 215 18 337.3 337.4 294.0 338.8 0.38 27 316 9302 -29.5 -43.5 25 14.0 -31.2 242 23 338.7 338.8 294.3 339.8 0.26 28 300 9670 -32.7 -42.7 36 10.0 -33.8 240 26 339.3 339.3 294.4 340.5 0.30 29 268 10450 -40.1 -44.1 65 4.0 -40.5 250 31 339.6 339.7 294.5 340.8 0.28 30 265 10526 -40.9 -44.2 70 3.3 -41.2 250 32 339.6 339.6 294.5 340.7 0.28 31 254 10813 -42.5 -55.5 23 13.0 -43.2 250 39 341.3 341.3 294.7 341.7 0.08 32 251 10893 -42.5 -62.5 9 20.0 -43.3 250 40 342.5 342.5 295.0 342.6 0.03 33 250 10920 -42.5 -61.5 11 19.0 -43.3 250 41 342.9 342.9 295.0 343.0 0.04 34 219 11795 -50.3 -57.3 43 7.0 -50.5 244 48 344.1 344.1 295.4 344.4 0.08 35 212 12006 -51.3 -67.3 13 16.0 -51.7 243 49 345.7 345.7 295.7 345.8 0.02 36 207 12160 -52.9 -64.9 22 12.0 -53.2 242 50 345.6 345.6 295.7 345.7 0.03 37 200 12380 -54.5 -68.5 16 14.0 -54.8 240 52 346.5 346.5 295.8 346.5 0.02 38 182 12977 -59.1 -75.1 11 16.0 -59.3 242 44 348.4 348.4 296.3 348.5 0.01 39 150 14170 -65.5 -82.5 8 17.0 -65.6 235 31 357.2 357.2 298.1 357.3 0.00 40 125 15266 -71.3 -86.3 9 15.0 -71.3 206 35 365.9 365.9 299.8 365.9 0.00 41 108 16120 -77.1 -88.1 16 11.0 -77.1 171 27 370.5 370.5 300.7 370.5 0.00 42 100 16560 -79.1 -88.1 21 9.0 -79.1 165 17 374.9 374.9 301.4 374.9 0.00 43 82 17683 -81.5 -90.5 20 9.0 -81.5 125 22 391.9 391.9 304.0 391.9 0.00 44 76 18115 -76.5 -90.5 9 14.0 -76.6 128 24 410.9 410.9 306.6 410.9 0.00 45 72 18427 -76.1 -91.1 8 15.0 -76.2 104 29 418.2 418.2 307.5 418.2 0.00 46 70 18590 -76.7 -90.7 9 14.0 -76.7 80 31 420.3 420.3 307.7 420.3 0.00 47 68 18756 -77.1 -91.1 9 14.0 -77.1 80 31 422.9 422.9 308.0 422.9 0.00 48 50 20550 -69.7 -90.7 3 21.0 -69.9 100 21 479.2 479.2 313.4 479.2 0.00 49 37 22366 -64.3 -90.3 2 26.0 -64.7 90 47 536.2 536.2 317.3 536.2 0.00 50 33 23063 -65.7 -90.7 2 25.0 -66.1 90 50 550.3 550.3 318.1 550.3 0.00 51 30 23650 -60.1 -89.1 1 29.0 -61.0 90 53 580.8 580.8 319.7 580.8 0.00 52 29 23862 -59.3 -88.3 1 29.0 -60.3 91 54 588.7 588.7 320.1 588.7 0.01 53 26 24549 -57.7 -86.7 1 29.0 -59.0 92 55 611.9 611.9 321.2 611.9 0.01 TRP 82 17683 -81.5 -90.5 20 9.0 -81.5 125 22 391.9 391.9 304.0 391.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5752.00 m Freezing level: 587.40 mb = 4595.22 m = 15075.98 ft Wetbulb zero: 648.47 mb = 3786.31 m = 12422.14 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 46.18 % Est. max temperature: 30.65 C = 87.17 F Sfc-Lift cond lev (LCL): 910.98 mb = 921.51 m = 3023.27 ft T: 20.04 C 700-500 lapse rate: 7.06 C/km ThetaE index: 16.26 C Layer 728.0- 700.0 mb Conv cond level (CCL): 884.12 mb = 1178.75 m = 3867.25 ft Mean mixing ratio: 15.21 g/kg Conv temperature: 29.53 C = 85.15 F Cap Strength: 2.95 C Lifted Index: -3.25 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.14 C Lifted Index @700 mb: 1.82 C Showalter Index: 5.98 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 13.50 C K Index: 7.70 Risk: None Sweat Index: 121.40 Risk: None Energy Index: 0.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 351.23 J/kg Max Up Vert Vel: 26.50 m/s Conv Inhibition (B-): 64.33 J/kg Cap Strength: 2.75 C Lift Cond Lev (LCL): 912.49 mb = 907.29 m = 2976.63 ft Lev Free Conv (LFC): 757.49 mb = 2493.31 m = 8180.04 ft Equ Level (EL): 727.49 mb = 2831.71 m = 9290.27 ft B at Equ Level: 7.80 J/kg Max Parcel Lev (MPL): 707.49 mb = 3064.94 m = 10055.46 ft Wind level data Storm motion: 111 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 1008 52 120 9 -7.8 4.5 | 254 2 2.1 0.6 1 1000 108 125 17 -13.9 9.8 | 146 7 -4.0 5.9 2 978 305 125 16 -13.1 9.2 | 149 6 -3.2 5.3 3 944 610 120 17 -14.7 8.5 | 134 7 -4.8 4.6 4 925 790 120 16 -13.9 8.0 | 136 6 -3.9 4.1 5 912 914 115 16 -14.5 6.8 | 122 5 -4.6 2.9 6 850 1515 130 17 -13.0 10.9 | 156 8 -3.1 7.0 7 849 1524 135 19 -13.4 13.4 | 160 10 -3.5 9.5 8 819 1829 130 10 -7.7 6.4 | 222 3 2.2 2.5 9 790 2134 135 4 -2.8 2.8 | 279 7 7.1 -1.1 10 762 2438 170 4 -0.7 3.9 | 270 9 9.2 0.1 11 709 3048 10 2 -0.3 -2.0 | 301 11 9.6 -5.9 12 700 3154 330 5 2.5 -4.3 | 304 15 12.4 -8.2 13 683 3353 20 10 -3.4 -9.4 | 334 15 6.5 -13.3 14 610 4267 50 18 -13.8 -11.6 | 14 16 -3.9 -15.5 15 565 4877 50 17 -13.0 -10.9 | 12 15 -3.1 -14.8 16 544 5182 65 20 -18.1 -8.5 | 34 15 -8.2 -12.3 17 500 5860 75 25 -24.1 -6.5 | 54 18 -14.2 -10.4 18 485 6096 75 25 -24.1 -6.5 | 54 18 -14.2 -10.4 19 466 6401 75 11 -10.6 -2.8 | 6 7 -0.7 -6.7 20 430 7010 175 3 -0.3 3.0 | 275 10 9.6 -0.9 21 400 7570 235 9 7.4 5.2 | 266 17 17.3 1.3 22 397 7620 240 10 8.7 5.0 | 267 19 18.6 1.1 23 365 8230 215 18 10.3 14.7 | 242 23 20.2 10.9 24 350 8534 230 19 14.6 12.2 | 251 26 24.5 8.3 25 336 8839 245 20 18.1 8.5 | 261 28 28.0 4.6 26 300 9670 240 26 22.5 13.0 | 254 34 32.4 9.1 27 296 9754 235 28 22.9 16.1 | 250 35 32.8 12.2 28 271 10363 250 29 27.3 9.9 | 261 38 37.2 6.0 29 250 10920 250 41 38.5 14.0 | 258 49 48.4 10.1 30 200 12380 240 52 45.0 26.0 | 248 59 54.9 22.1 31 196 12497 240 53 45.9 26.5 | 248 60 55.8 22.6 32 161 13716 245 29 26.3 12.3 | 257 37 36.2 8.4 33 150 14170 235 31 25.4 17.8 | 249 38 35.3 13.9 34 139 14630 230 30 23.0 19.3 | 245 36 32.9 15.4 35 119 15545 195 38 9.8 36.7 | 211 38 19.7 32.8 36 113 15850 175 33 -2.9 32.9 | 194 30 7.0 29.0 37 100 16560 165 17 -4.4 16.4 | 204 14 5.5 12.5 38 96 16764 165 17 -4.4 16.4 | 204 14 5.5 12.5 39 87 17374 140 32 -20.6 24.5 | 153 23 -10.7 20.6 40 82 17683 125 22 -18.0 12.6 | 137 12 -8.1 8.7 41 78 17983 130 21 -16.1 13.5 | 147 11 -6.2 9.6 42 74 18288 125 28 -22.9 16.1 | 133 18 -13.0 12.2 43 70 18590 80 31 -30.5 -5.4 | 66 23 -20.6 -9.3 44 66 18898 80 31 -30.5 -5.4 | 66 23 -20.6 -9.3 45 63 19202 25 10 -4.2 -9.1 | 336 14 5.7 -13.0 46 60 19507 15 7 -1.8 -6.8 | 323 13 8.1 -10.6 47 57 19812 90 3 -3.0 0.0 | 299 8 6.9 -3.9 48 51 20422 105 18 -17.4 4.7 | 96 8 -7.5 0.8 49 50 20550 100 21 -20.7 3.6 | 89 11 -10.8 -0.2 50 40 21946 90 45 -45.0 0.0 | 84 35 -35.1 -3.9 51 30 23650 90 53 -53.0 0.0 | 85 43 -43.1 -3.9 52 22 24994 95 58 -57.8 5.1 | 91 48 -47.9 1.2 Wind Parameters Mean winds (0-6000m): 81.4 at 14.2 knts Storm direction: 111.4 at 10.6 knts Shear (0-3000m) pos: 1.5 neg: 3.1 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 48.1 deg Storm rel helicity (0-3000m) pos: 30.5 neg: -11.3 tot: 19.2 m^2/s^2 ave: 6.4 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 1.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 21.83 Bulk Shear: 16.09 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 ------------------------------------------------------------------------------- 500 124 16 146 6| 8.0 0.0 8.0| 0.3 -6.0 -5.6 -11.3 -0.83| 12.0 -9.9 1000 121 16 139 6| 4.0 0.5 4.5| 1.6 -8.0 -6.4 -6.4 -0.71| 7.4 -5.2 1500 123 16 142 6| 3.6 0.3 3.9| 8.3 -8.0 0.3 0.2 -0.33| 6.7 -2.2 2000 124 15 151 5| 2.7 3.4 6.2| 19.4 -8.0 11.4 5.7 0.07| 8.3 0.6 2500 126 13 172 4| 1.8 2.7 4.6| 23.3 -10.1 13.2 5.3 0.09| 7.8 0.7 3000 126 11 198 3| 1.5 3.1 4.7| 30.5 -11.3 19.2 6.4 0.15| 7.6 1.1 4000 107 11 47 1| 1.8 2.4 4.2| 96.0 -11.3 84.7 21.2 0.36| 8.3 2.9 5000 87 12 29 5| 2.0 1.9 3.9|120.0 -13.3 106.7 21.3 0.40| 7.3 2.9 6000 81 14 34 7| 2.4 1.6 3.9|154.3 -13.3 141.0 23.5 0.46| 6.8 3.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251221.12.gif