UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 13 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 24.5 100 8 302.0 305.2 297.3 353.2 17.36 1 1004 85 28.6 21.6 66 7.0 23.5 103 11 301.4 304.4 296.5 349.7 16.39 2 1003 92 26.4 21.4 74 5.0 22.8 103 11 299.3 302.2 295.8 346.6 16.20 3 1000 112 26.4 21.4 74 5.0 22.8 105 13 299.5 302.5 296.0 347.0 16.25 4 934 710 20.8 18.1 85 2.7 18.9 108 16 299.7 302.3 294.6 341.0 14.13 5 925 794 20.4 15.7 74 4.7 17.2 110 16 300.2 302.4 293.3 336.0 12.21 6 897 1060 18.4 15.8 85 2.6 16.7 111 15 300.8 303.1 293.8 338.0 12.69 7 850 1521 15.8 10.8 72 5.0 12.7 115 13 302.7 304.5 292.0 331.3 9.61 8 822 1804 14.0 8.0 67 6.0 10.4 136 12 303.7 305.2 291.2 328.3 8.21 9 798 2055 15.6 -9.4 17 25.0 4.5 154 11 308.0 308.4 287.2 315.5 2.35 10 794 2097 15.8 -4.2 25 20.0 5.9 157 11 308.7 309.3 288.6 319.7 3.52 11 753 2545 13.0 4.0 54 9.0 7.8 184 10 310.3 311.6 292.0 331.3 6.78 12 700 3154 9.4 -21.6 9 31.0 -1.2 90 5 312.9 313.1 287.5 316.2 0.97 13 692 3249 8.8 -22.2 9 31.0 -1.7 80 5 313.3 313.4 287.6 316.4 0.93 14 656 3688 5.8 -9.2 33 15.0 -0.8 31 7 314.7 315.3 290.0 324.1 2.90 15 647 3800 6.2 -24.8 9 31.0 -3.6 19 7 316.4 316.5 288.5 319.1 0.79 16 607 4319 2.6 -14.4 27 17.0 -4.1 334 8 318.1 318.5 290.3 325.0 2.06 17 590 4548 2.0 -39.0 3 41.0 -7.4 31 3 320.0 320.0 289.0 320.8 0.22 18 577 4727 1.2 -35.8 4 37.0 -7.8 52 4 321.1 321.1 289.4 322.2 0.31 19 569 4840 1.4 -37.6 4 39.0 -7.8 61 5 322.6 322.6 289.9 323.6 0.26 20 513 5667 -2.1 -41.1 3 39.0 -10.5 88 14 328.1 328.1 291.4 328.8 0.20 21 500 5870 -3.9 -35.9 6 32.0 -11.4 80 11 328.3 328.4 291.6 329.6 0.36 22 447 6743 -11.3 -26.3 28 15.0 -15.4 94 18 329.7 329.9 292.6 333.3 1.00 23 419 7237 -13.9 -35.9 14 22.0 -18.4 87 19 332.5 332.6 292.8 334.1 0.43 24 408 7440 -13.7 -51.7 2 38.0 -19.0 86 20 335.3 335.3 293.2 335.6 0.08 25 400 7590 -15.1 -52.1 3 37.0 -20.1 80 21 335.4 335.4 293.2 335.7 0.08 26 355 8481 -22.3 -46.3 9 24.0 -25.4 105 24 337.3 337.4 293.8 338.0 0.17 27 300 9700 -30.7 -53.7 9 23.0 -32.6 180 19 342.1 342.1 294.9 342.5 0.09 28 291 9914 -32.3 -57.3 7 25.0 -34.1 176 23 342.8 342.8 295.1 343.1 0.06 29 250 10960 -40.7 -57.7 14 17.0 -41.6 155 58 345.6 345.6 295.7 345.8 0.06 30 200 12440 -53.3 -60.3 42 7.0 -53.5 160 73 348.4 348.4 296.3 348.6 0.06 31 190 12769 -56.3 -62.3 47 6.0 -56.4 157 75 348.7 348.7 296.4 348.9 0.05 32 189 12802 -56.5 -62.5 47 6.0 -56.6 157 76 348.9 348.9 296.4 349.1 0.05 33 183 13006 -58.2 -66.1 35 8.0 -58.3 155 77 349.4 349.4 296.5 349.5 0.03 34 177 13216 -59.9 -69.9 26 10.0 -60.0 155 74 349.9 349.9 296.6 350.0 0.02 35 150 14230 -68.5 -72.0 61 3.5 -68.5 160 43 352.1 352.1 297.1 352.2 0.02 36 140 14640 -71.7 -74.4 67 2.7 -71.7 165 40 353.5 353.5 297.4 353.5 0.01 37 122 15439 -77.9 -82.9 44 5.0 -77.9 204 40 356.4 356.4 298.0 356.4 0.00 38 112 15926 -79.3 -85.3 37 6.0 -79.3 220 38 362.6 362.6 299.2 362.6 0.00 39 100 16570 -78.7 -87.7 22 9.0 -78.7 270 41 375.7 375.7 301.5 375.7 0.00 40 73 18354 -82.1 -90.1 24 8.0 -82.1 102 15 403.9 403.9 305.7 403.9 0.00 41 70 18590 -81.3 -90.3 20 9.0 -81.3 90 14 410.5 410.5 306.6 410.5 0.00 42 51 20413 -71.9 -89.9 5 18.0 -72.0 116 26 471.4 471.4 312.7 471.4 0.00 43 50 20530 -72.7 -90.7 5 18.0 -72.8 90 15 472.2 472.2 312.8 472.2 0.00 44 46 21018 -73.7 -90.7 6 17.0 -73.8 94 15 481.2 481.2 313.5 481.2 0.00 45 41 21703 -66.5 -91.5 2 25.0 -66.8 99 28 515.2 515.2 316.0 515.2 0.00 46 35 22668 -63.3 -90.3 1 27.0 -63.8 88 51 547.4 547.4 317.9 547.4 0.00 TRP 112 15926 -79.3 -85.3 37 6.0 -79.3 220 38 362.6 362.6 299.2 362.6 0.00 WND 183 13006 -58.2 -66.1 35 8.0 -58.3 155 77 349.4 349.4 296.5 349.5 0.03 Sounding variables and indices 1000-500 mb thick: 5758.00 m Freezing level: 546.60 mb = 5170.50 m = 16963.36 ft Wetbulb zero: 707.11 mb = 3069.64 m = 10070.89 ft Precipitable water: 1.27 inches Sfc-500 mean rel hum: 36.01 % Est. max temperature: 29.94 C = 85.90 F Sfc-Lift cond lev (LCL): 911.99 mb = 916.47 m = 3006.74 ft T: 19.48 C 700-500 lapse rate: 4.90 C/km ThetaE index: 22.53 C Layer 850.0- 794.0 mb Conv cond level (CCL): 887.09 mb = 1154.92 m = 3789.07 ft Mean mixing ratio: 14.65 g/kg Conv temperature: 28.78 C = 83.80 F Cap Strength: 2.42 C Lifted Index: 1.76 C Risk: Showers probable Lifted Index @300 mb: 1.74 C Lifted Index @700 mb: 0.88 C Showalter Index: 6.74 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: 14.70 C K Index: -0.50 Risk: None Sweat Index: 166.60 Risk: None Energy Index: -0.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.29 J/kg Max Up Vert Vel: 4.96 m/s Conv Inhibition (B-): 9.78 J/kg Cap Strength: 2.40 C Lift Cond Lev (LCL): 903.70 mb = 995.35 m = 3265.55 ft Lev Free Conv (LFC): 858.70 mb = 1433.72 m = 4703.75 ft Equ Level (EL): 808.70 mb = 1942.18 m = 6371.89 ft B at Equ Level: 6.53 J/kg Max Parcel Lev (MPL): 798.70 mb = 2047.36 m = 6716.96 ft Wind level data Storm motion: 137 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 1009 52 100 8 -7.9 1.4 | 31 5 -2.6 -4.3 1 1000 112 105 13 -12.6 3.4 | 73 8 -7.3 -2.3 2 978 305 105 16 -15.5 4.1 | 82 10 -10.2 -1.5 3 945 610 105 17 -16.4 4.4 | 84 11 -11.1 -1.2 4 925 794 110 16 -15.0 5.5 | 89 10 -9.7 -0.2 5 912 914 110 15 -14.1 5.1 | 87 9 -8.8 -0.5 6 850 1521 115 13 -11.8 5.5 | 89 6 -6.5 -0.2 7 850 1524 115 12 -10.9 5.1 | 84 6 -5.6 -0.6 8 790 2134 160 11 -3.8 10.3 | 198 5 1.5 4.7 9 762 2438 200 11 3.8 10.3 | 243 10 9.1 4.7 10 700 3154 90 5 -5.0 0.0 | 357 6 0.3 -5.6 11 610 4267 325 9 5.2 -7.4 | 321 17 10.5 -13.0 12 587 4572 40 2 -1.3 -1.5 | 331 8 4.0 -7.2 13 545 5182 90 10 -10.0 0.0 | 40 7 -4.7 -5.6 14 524 5486 95 16 -15.9 1.4 | 68 11 -10.7 -4.3 15 500 5870 80 11 -10.8 -1.9 | 36 9 -5.5 -7.6 16 486 6096 90 12 -12.0 0.0 | 50 9 -6.7 -5.6 17 467 6401 110 17 -16.0 5.8 | 91 11 -10.7 0.2 18 431 7010 80 18 -17.7 -3.1 | 55 15 -12.4 -8.8 19 415 7315 90 19 -19.0 0.0 | 68 15 -13.7 -5.6 20 400 7590 80 21 -20.7 -3.6 | 59 18 -15.4 -9.3 21 398 7620 80 21 -20.7 -3.6 | 59 18 -15.4 -9.3 22 382 7925 105 24 -23.2 6.2 | 92 18 -17.9 0.6 23 367 8230 105 26 -25.1 6.7 | 93 20 -19.8 1.1 24 352 8534 105 23 -22.2 6.0 | 91 17 -16.9 0.3 25 337 8839 140 21 -13.5 16.1 | 142 13 -8.2 10.4 26 324 9144 145 26 -14.9 21.3 | 148 18 -9.6 15.7 27 300 9700 180 19 0.0 19.0 | 202 14 5.3 13.4 28 298 9754 180 19 0.0 19.0 | 202 14 5.3 13.4 29 261 10668 155 40 -16.9 36.3 | 159 33 -11.6 30.6 30 250 10960 155 58 -24.5 52.6 | 158 51 -19.2 46.9 31 228 11582 160 70 -23.9 65.8 | 163 63 -18.7 60.1 32 208 12192 155 75 -31.7 68.0 | 157 68 -26.4 62.3 33 200 12440 160 73 -25.0 68.6 | 163 66 -19.7 63.0 34 183 13006 155 77 -32.5 69.8 | 157 70 -27.3 64.1 35 180 13106 155 77 -32.5 69.8 | 157 70 -27.3 64.1 36 150 14230 160 43 -14.7 40.4 | 165 36 -9.4 34.8 37 140 14630 165 40 -10.4 38.6 | 171 33 -5.1 33.0 38 133 14935 180 36 0.0 36.0 | 190 31 5.3 30.4 39 120 15545 210 41 20.5 35.5 | 221 39 25.8 29.9 40 112 15926 220 38 24.4 29.1 | 232 38 29.7 23.5 41 108 16154 220 39 25.1 29.9 | 231 39 30.4 24.2 42 102 16459 260 34 33.5 5.9 | 270 39 38.8 0.3 43 100 16570 270 41 41.0 -0.0 | 277 47 46.3 -5.6 44 97 16764 270 41 41.0 -0.0 | 277 47 46.3 -5.6 45 92 17069 270 45 45.0 -0.0 | 276 51 50.3 -5.6 46 82 17678 220 13 8.4 10.0 | 252 14 13.6 4.3 47 78 17983 110 10 -9.4 3.4 | 62 5 -4.1 -2.2 48 74 18288 105 15 -14.5 3.9 | 79 9 -9.2 -1.8 49 70 18590 90 14 -14.0 0.0 | 57 10 -8.7 -5.6 50 70 18593 70 13 -12.2 -4.4 | 34 12 -6.9 -10.1 51 66 18898 90 14 -14.0 0.0 | 57 10 -8.7 -5.6 52 63 19202 75 18 -17.4 -4.7 | 50 16 -12.1 -10.3 53 60 19507 110 12 -11.3 4.1 | 76 6 -6.0 -1.5 54 54 20117 145 17 -9.8 13.9 | 152 9 -4.5 8.3 55 51 20422 115 26 -23.6 11.0 | 106 19 -18.3 5.3 56 50 20530 90 15 -15.0 0.0 | 60 11 -9.7 -5.6 57 48 20726 90 16 -16.0 0.0 | 62 12 -10.7 -5.6 58 45 21031 95 15 -14.9 1.3 | 66 11 -9.7 -4.3 59 42 21336 105 20 -19.3 5.2 | 88 14 -14.0 -0.5 60 38 21946 85 50 -49.8 -4.4 | 77 46 -44.5 -10.0 61 29 23165 95 52 -51.8 4.5 | 89 47 -46.5 -1.1 Wind Parameters Mean winds (0-6000m): 106.9 at 10.3 knts Storm direction: 136.9 at 7.7 knts Shear (0-3000m) pos: 2.1 neg: 1.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -26.4 deg Storm rel helicity (0-3000m) pos: 33.2 neg: -5.3 tot: 27.9 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.57 Bulk Shear: 2.69 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 ------------------------------------------------------------------------------- 500 105 15 78 9| 9.1 0.0 9.1| 10.9 0.0 10.9 21.7 0.70| 9.4 6.6 1000 107 15 82 9| 3.5 0.0 3.5| 13.4 -0.4 13.0 13.0 0.58| 6.3 3.7 1500 109 15 84 9| 1.7 0.0 1.7| 13.8 -0.5 13.2 8.8 0.48| 5.2 2.5 2000 114 14 90 7| 2.3 0.0 2.3| 21.4 -0.5 20.9 10.4 0.63| 5.8 3.7 2500 123 13 105 6| 2.5 0.0 2.5| 33.0 -3.4 29.6 11.8 0.57| 7.0 4.0 3000 126 12 109 5| 2.1 1.8 3.8| 33.2 -5.3 27.9 9.3 0.45| 8.0 3.6 4000 119 11 84 4| 1.5 2.3 3.9| 33.7 -25.7 8.0 2.0 0.25| 7.7 1.9 5000 114 10 66 4| 1.6 1.9 3.4| 62.5 -40.8 21.7 4.3 0.27| 8.2 2.2 6000 107 10 60 5| 1.7 1.7 3.3| 80.4 -54.5 25.9 4.3 0.26| 8.1 2.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251213.12.gif