UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 5 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 1009 52 29.6 22.6 66 7.0 24.5 90 10 302.0 305.2 297.3 353.2 17.36 1 1007 67 26.8 22.2 76 4.6 23.5 90 11 299.4 302.4 296.4 348.9 16.97 2 1000 119 26.0 21.8 78 4.2 23.0 90 16 299.1 302.2 296.1 347.8 16.66 3 943 632 21.0 20.5 97 0.5 20.6 89 16 299.1 302.1 295.9 346.7 16.31 4 940 659 21.6 15.6 69 6.0 17.6 89 16 300.0 302.2 293.0 335.0 11.94 5 925 799 21.0 16.2 74 4.8 17.8 85 15 300.8 303.1 293.8 337.8 12.62 6 916 884 20.6 14.6 68 6.0 16.6 81 16 301.2 303.3 293.0 335.0 11.48 7 866 1368 16.8 14.0 84 2.8 15.0 69 15 302.1 304.3 293.5 336.7 11.68 8 850 1528 16.0 12.0 77 4.0 13.4 65 14 302.9 304.8 292.7 333.9 10.42 9 841 1618 15.6 11.4 76 4.2 12.9 71 15 303.4 305.3 292.7 333.5 10.12 10 834 1690 16.4 3.4 42 13.0 9.1 76 16 305.0 306.1 289.6 322.8 5.86 11 819 1844 16.6 8.6 59 8.0 11.7 85 17 306.8 308.4 292.4 332.8 8.59 12 810 1938 16.8 5.8 48 11.0 10.3 83 16 308.0 309.3 291.7 329.8 7.15 13 780 2259 15.4 -0.6 33 16.0 6.9 88 12 309.8 310.7 290.1 324.4 4.69 14 700 3165 7.8 5.1 83 2.7 6.2 165 5 311.1 312.6 293.2 335.5 7.90 15 676 3452 5.4 5.0 97 0.4 5.2 128 9 311.6 313.1 293.5 336.6 8.12 16 672 3500 5.4 3.2 86 2.2 4.2 122 9 312.1 313.5 292.9 334.4 7.19 17 667 3562 6.0 -9.0 33 15.0 -0.6 114 10 313.4 314.0 289.6 322.8 2.90 18 664 3599 6.0 -2.0 56 8.0 1.9 109 10 313.8 314.8 291.6 329.6 4.98 19 662 3623 6.8 -11.2 26 18.0 -0.9 106 11 315.0 315.5 289.7 323.0 2.45 20 655 3711 7.0 -16.0 18 23.0 -1.9 94 12 316.2 316.5 289.3 321.8 1.67 21 611 4279 2.8 -9.2 41 12.0 -2.5 65 14 317.7 318.3 291.1 327.9 3.12 22 596 4480 2.2 -23.8 13 26.0 -6.0 76 13 319.3 319.5 289.5 322.5 0.94 23 577 4742 1.0 -27.0 10 28.0 -7.2 91 11 320.8 321.0 289.8 323.4 0.73 24 556 5040 -0.3 -29.3 9 29.0 -8.4 95 10 322.7 322.8 290.2 324.9 0.61 25 516 5633 -5.1 -30.1 12 25.0 -11.5 107 12 323.9 324.0 290.6 326.1 0.61 26 500 5880 -6.3 -39.3 5 33.0 -13.0 155 9 325.4 325.4 290.6 326.3 0.25 27 424 7149 -12.1 -45.1 5 33.0 -17.7 98 4 333.7 333.7 292.9 334.3 0.16 28 400 7590 -15.5 -45.5 6 30.0 -20.1 80 3 334.8 334.9 293.2 335.5 0.16 29 380 7975 -18.5 -42.5 10 24.0 -22.3 85 3 335.8 335.9 293.5 336.8 0.24 30 357 8440 -20.5 -50.5 5 30.0 -24.2 145 10 339.2 339.2 294.2 339.6 0.10 31 314 9375 -29.1 -47.1 16 18.0 -31.0 132 10 339.9 339.9 294.4 340.6 0.17 32 300 9700 -31.1 -50.1 14 19.0 -32.9 165 15 341.5 341.6 294.8 342.1 0.13 33 257 10773 -39.9 -55.9 17 16.0 -40.8 154 24 344.0 344.0 295.4 344.3 0.08 34 250 10960 -41.5 -55.5 21 14.0 -42.3 155 26 344.4 344.4 295.4 344.7 0.08 35 210 12116 -51.5 -55.7 61 4.2 -51.7 175 36 346.3 346.4 295.9 346.8 0.10 36 200 12430 -54.1 -60.1 48 6.0 -54.2 175 42 347.1 347.1 296.0 347.3 0.06 37 164 13671 -64.3 -71.3 38 7.0 -64.4 181 40 350.3 350.3 296.7 350.3 0.02 38 157 13936 -66.5 -71.2 52 4.7 -66.5 184 39 350.9 350.9 296.8 351.0 0.02 39 150 14210 -68.5 -74.5 42 6.0 -68.5 175 29 352.1 352.1 297.1 352.1 0.01 40 114 15815 -77.7 -82.7 44 5.0 -77.7 204 22 363.7 363.7 299.4 363.7 0.00 41 100 16560 -80.1 -87.1 30 7.0 -80.1 160 25 373.0 373.0 301.1 373.0 0.00 42 88 17278 -84.1 -90.1 34 6.0 -84.1 130 37 378.8 378.8 302.1 378.8 0.00 43 81 17749 -75.3 -86.3 16 11.0 -75.3 125 34 406.0 406.0 306.0 406.0 0.00 44 75 18192 -78.7 -89.7 15 11.0 -78.7 113 28 407.9 407.9 306.2 407.9 0.00 45 70 18590 -74.9 -87.9 12 13.0 -75.0 320 3 424.1 424.1 308.2 424.2 0.00 46 68 18758 -75.3 -88.3 11 13.0 -75.3 154 5 426.8 426.8 308.5 426.8 0.00 47 59 19584 -74.7 -88.7 10 14.0 -74.7 108 12 445.8 445.8 310.4 445.9 0.00 48 51 20442 -69.7 -89.7 4 20.0 -69.9 92 10 476.5 476.5 313.2 476.5 0.00 49 50 20560 -70.7 -89.7 4 19.0 -70.8 100 24 476.9 476.9 313.2 476.9 0.00 50 48 20801 -71.7 -90.7 4 19.0 -71.8 103 22 480.1 480.1 313.5 480.1 0.00 51 43 21454 -67.9 -89.9 3 22.0 -68.1 89 45 504.8 504.8 315.3 504.8 0.00 52 33 23035 -69.9 -91.9 3 22.0 -70.1 89 63 539.2 539.2 317.5 539.2 0.00 53 30 23610 -63.5 -90.5 1 27.0 -64.1 95 73 571.5 571.5 319.2 571.5 0.00 54 23 25280 -53.3 -85.5 1 32.2 -55.6 85 85 646.7 646.7 322.6 646.8 0.01 55 20 26190 -47.9 -82.9 1 35.0 -52.0 85 82 689.6 689.6 324.1 689.7 0.02 TRP 88 17278 -84.1 -90.1 34 6.0 -84.1 130 37 378.8 378.8 302.1 378.8 0.00 WND 23 25280 -53.3 -85.5 1 32.2 -55.6 85 85 646.7 646.7 322.6 646.8 0.01 Sounding variables and indices 1000-500 mb thick: 5761.00 m Freezing level: 560.85 mb = 4970.83 m = 16308.30 ft Wetbulb zero: 667.65 mb = 3553.57 m = 11658.56 ft Precipitable water: 1.47 inches Sfc-500 mean rel hum: 47.73 % Est. max temperature: 30.09 C = 86.17 F Sfc-Lift cond lev (LCL): 911.99 mb = 921.91 m = 3024.59 ft T: 20.30 C 700-500 lapse rate: 5.19 C/km ThetaE index: 18.25 C Layer 1007.0- 925.0 mb Conv cond level (CCL): 883.97 mb = 1191.16 m = 3907.97 ft Mean mixing ratio: 15.02 g/kg Conv temperature: 29.42 C = 84.96 F Cap Strength: 2.43 C Lifted Index: -0.99 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.81 C Lifted Index @700 mb: -1.01 C Showalter Index: 3.14 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 18.30 C K Index: 31.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 181.00 Risk: None Energy Index: -1.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 73.44 J/kg Max Up Vert Vel: 12.12 m/s Conv Inhibition (B-): 20.40 J/kg Cap Strength: 2.43 C Lift Cond Lev (LCL): 911.23 mb = 929.05 m = 3048.04 ft Lev Free Conv (LFC): 856.23 mb = 1465.50 m = 4808.00 ft Equ Level (EL): 836.23 mb = 1666.81 m = 5468.48 ft B at Equ Level: 9.83 J/kg Max Parcel Lev (MPL): 816.23 mb = 1872.98 m = 6144.86 ft Wind level data Storm motion: 116 at 9 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 90 10 -10.0 0.0 | 25 4 -1.8 -4.0 1 1000 119 90 16 -16.0 0.0 | 63 9 -7.8 -4.0 2 979 305 90 15 -15.0 0.0 | 60 8 -6.8 -4.0 3 945 610 90 16 -16.0 0.0 | 63 9 -7.8 -4.0 4 925 799 85 15 -14.9 -1.3 | 52 9 -6.8 -5.3 5 913 914 80 16 -15.8 -2.8 | 48 10 -7.6 -6.8 6 850 1524 65 14 -12.7 -5.9 | 25 11 -4.5 -9.9 7 850 1528 65 14 -12.7 -5.9 | 25 11 -4.5 -9.9 8 820 1829 85 17 -16.9 -1.5 | 58 10 -8.8 -5.5 9 791 2134 80 14 -13.8 -2.4 | 41 9 -5.6 -6.4 10 763 2438 100 10 -9.8 1.7 | 37 3 -1.7 -2.3 11 700 3165 165 5 -1.3 4.8 | 263 7 6.9 0.8 12 634 3962 60 15 -13.0 -7.5 | 23 12 -4.8 -11.5 13 611 4267 65 14 -12.7 -5.9 | 25 11 -4.5 -9.9 14 566 4877 100 10 -9.8 1.7 | 37 3 -1.7 -2.3 15 545 5182 90 10 -10.0 0.0 | 25 4 -1.8 -4.0 16 525 5486 80 13 -12.8 -2.3 | 37 8 -4.6 -6.3 17 500 5880 155 9 -3.8 8.2 | 226 6 4.4 4.2 18 486 6096 140 8 -5.1 6.1 | 235 4 3.0 2.1 19 400 7590 80 3 -3.0 -0.5 | 311 7 5.2 -4.5 20 382 7925 75 2 -1.9 -0.5 | 306 8 6.2 -4.5 21 367 8230 145 10 -5.7 8.2 | 210 5 2.4 4.2 22 337 8839 145 10 -5.7 8.2 | 210 5 2.4 4.2 23 324 9144 150 10 -5.0 8.7 | 214 6 3.2 4.7 24 310 9449 125 10 -8.2 5.7 | 179 2 -0.0 1.7 25 300 9700 165 15 -3.9 14.5 | 202 11 4.3 10.5 26 298 9754 165 15 -3.9 14.5 | 202 11 4.3 10.5 27 285 10058 150 18 -9.0 15.6 | 176 12 -0.8 11.6 28 250 10960 155 26 -11.0 23.6 | 172 20 -2.8 19.6 29 238 11278 155 25 -10.6 22.7 | 173 19 -2.4 18.7 30 227 11582 175 25 -2.2 24.9 | 196 22 6.0 20.9 31 200 12430 175 42 -3.7 41.8 | 187 38 4.5 37.8 32 198 12497 170 42 -7.3 41.4 | 181 37 0.9 37.4 33 155 14021 185 39 3.4 38.9 | 198 37 11.6 34.8 34 150 14210 175 29 -2.5 28.9 | 193 26 5.6 24.9 35 132 14935 170 23 -4.0 22.7 | 193 19 4.2 18.6 36 126 15240 185 27 2.4 26.9 | 205 25 10.5 22.9 37 119 15545 170 22 -3.8 21.7 | 194 18 4.3 17.7 38 113 15850 210 22 11.0 19.1 | 232 24 19.2 15.0 39 102 16459 205 11 4.6 10.0 | 245 14 12.8 6.0 40 100 16560 160 25 -8.6 23.5 | 179 19 -0.4 19.5 41 96 16764 160 24 -8.2 22.6 | 180 19 -0.1 18.5 42 88 17278 130 37 -28.3 23.8 | 134 28 -20.2 19.8 43 87 17374 135 39 -27.6 27.6 | 141 31 -19.4 23.6 44 74 18288 110 27 -25.4 9.2 | 107 18 -17.2 5.2 45 70 18590 320 3 1.9 -2.3 | 302 12 10.1 -6.3 46 70 18593 75 10 -9.7 -2.6 | 13 7 -1.5 -6.6 47 66 18898 220 1 0.6 0.8 | 290 9 8.8 -3.2 48 60 19507 115 10 -9.1 4.2 | 104 1 -0.9 0.2 49 57 19812 90 16 -16.0 0.0 | 63 9 -7.8 -4.0 50 54 20117 70 11 -10.3 -3.8 | 16 8 -2.2 -7.8 51 51 20422 90 7 -7.0 0.0 | 344 4 1.2 -4.0 52 50 20560 100 24 -23.6 4.2 | 91 15 -15.5 0.2 53 49 20726 105 19 -18.4 4.9 | 95 10 -10.2 0.9 54 42 21641 85 51 -50.8 -4.4 | 79 43 -42.7 -8.5 55 38 22250 80 48 -47.3 -8.3 | 72 41 -39.1 -12.3 56 30 23610 95 73 -72.7 6.4 | 92 65 -64.6 2.4 57 28 24079 95 73 -72.7 6.4 | 92 65 -64.6 2.4 58 23 25280 85 85 -84.7 -7.4 | 82 77 -76.5 -11.4 59 22 25603 85 85 -84.7 -7.4 | 82 77 -76.5 -11.4 60 20 26190 85 82 -81.7 -7.1 | 81 74 -73.5 -11.2 61 18 26518 85 82 -81.7 -7.1 | 81 74 -73.5 -11.2 Wind Parameters Mean winds (0-6000m): 86.2 at 12.1 knts Storm direction: 116.2 at 9.1 knts Shear (0-3000m) pos: 2.6 neg: 1.1 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -126.9 deg Storm rel helicity (0-3000m) pos: 23.5 neg: -23.4 tot: 0.1 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 58.04 Bulk Shear: 1.27 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 90 15 60 8| 0.0 6.0 6.0| 6.9 -0.7 6.2 12.3 0.58| 7.6 4.4 1000 87 15 56 9| 0.0 3.2 3.2| 6.9 -8.7 -1.8 -1.8 0.09| 5.8 0.5 1500 82 15 48 9| 0.0 2.2 2.2| 6.9 -16.6 -9.8 -6.5 -0.13| 4.9 -0.6 2000 81 15 48 9| 1.0 1.7 2.6| 22.1 -21.2 0.9 0.4 0.09| 5.7 0.5 2500 83 15 47 9| 2.0 1.3 3.4| 22.5 -23.2 -0.6 -0.3 0.03| 6.2 0.2 3000 86 13 47 7| 2.6 1.1 3.7| 23.5 -23.4 0.1 0.0 -0.01| 6.4 -0.1 4000 85 13 40 7| 2.0 2.9 4.8| 24.3 -35.7 -11.3 -2.8 -0.18| 7.7 -1.4 5000 83 12 38 7| 2.4 2.3 4.7| 29.0 -36.1 -7.1 -1.4 -0.14| 7.2 -1.0 6000 86 12 39 6| 2.8 2.1 4.8| 40.5 -36.3 4.1 0.7 0.04| 7.7 0.3 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251205.12.gif