UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 25 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 1007 52 26.6 21.6 74 5.0 23.0 130 8 299.2 302.1 295.9 346.8 16.34 1 1000 96 26.2 21.4 75 4.8 22.8 130 15 299.4 302.3 295.9 346.8 16.25 2 925 781 20.0 19.9 99 0.1 19.9 130 22 299.8 302.7 295.8 346.6 16.01 3 886 1151 17.6 17.1 97 0.5 17.2 139 24 301.0 303.6 294.8 342.1 13.98 4 880 1209 18.0 14.2 78 3.8 15.5 140 24 302.0 304.1 293.4 336.4 11.65 5 850 1506 17.4 12.4 72 5.0 14.1 150 16 304.4 306.4 293.4 336.3 10.70 6 819 1823 16.2 4.2 45 12.0 9.3 133 14 306.4 307.5 290.5 325.6 6.32 7 799 2032 14.2 9.3 72 4.9 11.2 128 10 306.4 308.1 292.9 334.3 9.24 8 794 2086 14.6 3.6 48 11.0 8.4 126 9 307.4 308.5 290.7 326.5 6.25 9 786 2171 14.4 9.4 72 5.0 11.3 120 8 308.1 309.8 293.5 336.8 9.46 10 781 2225 15.6 -11.4 14 27.0 3.9 113 8 309.9 310.3 287.6 316.5 2.04 11 780 2236 15.6 -8.4 18 24.0 4.6 112 8 310.0 310.5 288.2 318.3 2.60 12 776 2280 14.8 2.8 44 12.0 8.0 106 8 309.6 310.8 291.2 328.3 6.04 13 768 2368 15.4 -13.6 12 29.0 3.4 95 9 311.2 311.5 287.7 316.9 1.74 14 756 2501 14.4 -1.6 33 16.0 6.0 84 10 311.5 312.4 290.5 325.6 4.50 15 729 2808 13.4 -18.6 9 32.0 1.3 82 14 313.7 313.9 288.0 317.7 1.21 16 700 3149 12.2 -10.8 19 23.0 2.0 95 20 316.0 316.5 289.9 323.9 2.39 17 634 3972 8.2 -20.8 11 29.0 -2.3 95 18 320.5 320.7 290.1 324.5 1.15 18 617 4196 7.2 -12.8 23 20.0 -1.3 95 12 321.9 322.3 291.6 329.7 2.31 19 559 4997 -0.3 -5.0 71 4.7 -2.6 149 4 322.2 323.2 293.7 337.7 4.72 20 547 5170 -0.9 -8.9 55 8.0 -4.6 163 2 323.5 324.2 293.2 335.4 3.57 21 511 5709 -5.3 -8.7 77 3.4 -6.8 124 3 324.6 325.3 293.7 337.5 3.88 22 500 5880 -5.9 -12.9 58 7.0 -8.7 110 4 325.8 326.4 293.2 335.4 2.83 23 496 5943 -6.1 -14.1 53 8.0 -9.2 110 4 326.4 326.9 293.1 335.2 2.59 24 434 6978 -12.5 -22.5 43 10.0 -15.5 14 5 330.9 331.2 293.3 336.1 1.45 25 420 7229 -12.7 -39.7 8 27.0 -17.9 346 5 333.8 333.9 293.0 334.9 0.29 26 403 7543 -14.7 -38.7 11 24.0 -19.3 311 6 335.2 335.2 293.4 336.5 0.33 27 400 7600 -14.7 -37.7 12 23.0 -19.2 305 6 335.9 336.0 293.6 337.3 0.37 28 386 7868 -16.9 -27.9 38 11.0 -19.7 332 8 336.4 336.6 294.3 340.1 1.00 29 327 9085 -27.1 -40.1 28 13.0 -28.9 351 16 338.7 338.8 294.3 340.1 0.36 30 300 9700 -31.1 -54.1 9 23.0 -33.0 315 28 341.5 341.6 294.8 341.9 0.08 31 298 9748 -31.5 -54.5 8 23.0 -33.3 319 26 341.6 341.7 294.8 342.0 0.08 32 250 10970 -41.7 -57.7 16 16.0 -42.5 275 35 344.1 344.1 295.4 344.3 0.06 33 212 12064 -51.1 -57.1 49 6.0 -51.3 264 52 346.0 346.1 295.8 346.4 0.08 34 200 12440 -53.9 -62.9 32 9.0 -54.1 260 58 347.4 347.4 296.1 347.6 0.04 35 165 13647 -63.1 -75.1 18 12.0 -63.2 282 30 351.7 351.7 297.0 351.7 0.01 36 152 14149 -64.1 -79.1 11 15.0 -64.2 327 40 358.3 358.3 298.4 358.3 0.01 37 150 14230 -64.7 -79.7 11 15.0 -64.8 325 42 358.6 358.6 298.4 358.6 0.00 38 100 16600 -81.5 -88.5 29 7.0 -81.5 150 4 370.3 370.3 300.6 370.3 0.00 39 86 17439 -85.9 -90.9 40 5.0 -85.9 105 32 377.7 377.7 301.9 377.7 0.00 40 77 18047 -85.9 -92.9 27 7.0 -85.9 124 30 389.8 389.8 303.8 389.8 0.00 41 70 18580 -79.3 -90.3 15 11.0 -79.3 115 35 414.7 414.7 307.1 414.7 0.00 42 64 19092 -74.9 -88.9 10 14.0 -75.0 96 26 435.2 435.2 309.4 435.2 0.00 43 52 20286 -77.5 -90.5 11 13.0 -77.6 118 22 455.7 455.7 311.4 455.7 0.00 44 50 20510 -76.7 -90.7 9 14.0 -76.7 110 21 462.8 462.8 312.0 462.8 0.00 45 38 22143 -63.3 -90.3 1 27.0 -63.8 89 62 534.7 534.7 317.2 534.7 0.00 46 35 22650 -61.8 -89.6 1 27.7 -62.4 85 64 551.3 551.3 318.2 551.3 0.00 47 34 22830 -61.3 -89.3 1 28.0 -62.0 85 64 557.2 557.2 318.5 557.2 0.00 48 33 23015 -61.5 -88.5 2 27.0 -62.2 86 64 561.5 561.5 318.7 561.5 0.00 TRP 86 17439 -85.9 -90.9 40 5.0 -85.9 105 32 377.7 377.7 301.9 377.7 0.00 WND 35 22650 -61.8 -89.6 1 27.7 -62.4 85 64 551.3 551.3 318.2 551.3 0.00 Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 561.32 mb = 4964.68 m = 16288.12 ft Wetbulb zero: 668.96 mb = 3526.01 m = 11568.12 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 50.88 % Est. max temperature: 31.27 C = 88.28 F Sfc-Lift cond lev (LCL): 936.53 mb = 672.11 m = 2205.06 ft T: 20.99 C 700-500 lapse rate: 6.63 C/km ThetaE index: 21.19 C Layer 1000.0- 799.0 mb Conv cond level (CCL): 923.63 mb = 793.74 m = 2604.11 ft Mean mixing ratio: 16.03 g/kg Conv temperature: 27.25 C = 81.05 F Cap Strength: 2.57 C Lifted Index: -1.70 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.83 C Lifted Index @700 mb: 2.57 C Showalter Index: 2.46 C Risk: Showers probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 18.30 C K Index: 12.70 Risk: None Sweat Index: 184.80 Risk: None Energy Index: -0.11 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 270.80 J/kg Max Up Vert Vel: 23.27 m/s Conv Inhibition (B-): 0.02 J/kg Cap Strength: 2.59 C Lift Cond Lev (LCL): 926.37 mb = 768.05 m = 2519.80 ft Lev Free Conv (LFC): 911.37 mb = 908.57 m = 2980.83 ft Equ Level (EL): 871.37 mb = 1293.59 m = 4244.01 ft B at Equ Level: 7.99 J/kg Max Parcel Lev (MPL): 821.37 mb = 1798.22 m = 5899.60 ft Wind level data Storm motion: 145 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 1007 52 130 8 -6.1 5.1 | 5 3 -0.3 -3.2 1 1000 96 130 15 -11.5 9.6 | 103 6 -5.6 1.3 2 977 305 130 23 -17.6 14.8 | 119 13 -11.8 6.4 3 943 610 130 22 -16.9 14.1 | 118 12 -11.0 5.8 4 925 781 130 22 -16.9 14.1 | 118 12 -11.0 5.8 5 911 914 135 23 -16.3 16.3 | 127 13 -10.4 7.9 6 879 1219 140 24 -15.4 18.4 | 136 14 -9.6 10.0 7 850 1506 150 16 -8.0 13.9 | 159 6 -2.2 5.5 8 848 1524 140 19 -12.2 14.6 | 134 9 -6.4 6.2 9 789 2134 125 8 -6.6 4.6 | 11 4 -0.7 -3.8 10 761 2438 85 9 -9.0 -0.8 | 19 10 -3.1 -9.2 11 734 2743 80 13 -12.8 -2.3 | 33 13 -7.0 -10.6 12 700 3149 95 20 -19.9 1.7 | 65 16 -14.1 -6.6 13 683 3353 100 23 -22.7 4.0 | 75 17 -16.8 -4.4 14 657 3658 95 26 -25.9 2.3 | 73 21 -20.1 -6.1 15 610 4267 95 9 -9.0 0.8 | 22 8 -3.1 -7.6 16 545 5182 165 2 -0.5 1.9 | 320 8 5.3 -6.4 17 500 5880 110 4 -3.8 1.4 | 343 7 2.1 -7.0 18 486 6096 110 3 -2.8 1.0 | 338 8 3.0 -7.3 19 400 7600 305 6 4.9 -3.4 | 318 16 10.8 -11.8 20 367 8230 10 12 -2.1 -11.8 | 349 21 3.8 -20.2 21 352 8534 355 18 1.6 -17.9 | 344 27 7.4 -26.3 22 324 9144 350 16 2.8 -15.8 | 340 26 8.6 -24.1 23 300 9700 315 28 19.8 -19.8 | 318 38 25.6 -28.2 24 298 9754 320 26 16.7 -19.9 | 321 36 22.6 -28.3 25 273 10363 305 28 22.9 -16.1 | 310 38 28.8 -24.4 26 250 10970 275 35 34.9 -3.1 | 286 42 40.7 -11.4 27 250 10973 275 34 33.9 -3.0 | 286 41 39.7 -11.3 28 200 12440 260 58 57.1 10.1 | 268 63 63.0 1.7 29 198 12497 260 60 59.1 10.4 | 268 65 64.9 2.1 30 180 13106 265 37 36.9 3.2 | 277 43 42.7 -5.1 31 163 13716 285 29 28.0 -7.5 | 295 37 33.9 -15.9 32 155 14021 330 37 18.5 -32.0 | 329 47 24.3 -40.4 33 150 14230 325 42 24.1 -34.4 | 325 52 29.9 -42.8 34 140 14630 325 44 25.2 -36.0 | 325 54 31.1 -44.4 35 120 15545 315 34 24.0 -24.0 | 317 44 29.9 -32.4 36 108 16154 325 10 5.7 -8.2 | 325 20 11.6 -16.6 37 100 16600 150 4 -2.0 3.5 | 322 6 3.8 -4.9 38 97 16764 145 4 -2.3 3.3 | 325 6 3.6 -5.1 39 92 17069 75 1 -1.0 -0.3 | 331 10 4.9 -8.6 40 87 17374 110 19 -17.9 6.5 | 81 12 -12.0 -1.9 41 86 17439 105 32 -30.9 8.3 | 90 25 -25.1 -0.1 42 82 17678 105 33 -31.9 8.5 | 90 26 -26.0 0.2 43 78 17983 125 29 -23.8 16.6 | 115 20 -17.9 8.3 44 70 18580 115 35 -31.7 14.8 | 104 27 -25.9 6.4 45 70 18593 105 37 -35.7 9.6 | 92 30 -29.9 1.2 46 66 18898 110 34 -31.9 11.6 | 97 26 -26.1 3.3 47 60 19507 65 10 -9.1 -4.2 | 14 13 -3.2 -12.6 48 56 19812 130 10 -7.7 6.4 | 43 3 -1.8 -1.9 49 51 20422 115 26 -23.6 11.0 | 98 18 -17.7 2.6 50 50 20510 110 21 -19.7 7.2 | 85 14 -13.9 -1.2 51 48 20726 110 20 -18.8 6.8 | 83 13 -12.9 -1.5 52 44 21336 80 42 -41.4 -7.3 | 66 39 -35.5 -15.7 53 39 21946 90 61 -61.0 0.0 | 81 56 -55.2 -8.4 54 35 22650 85 64 -63.8 -5.6 | 76 60 -57.9 -13.9 55 33 22860 85 64 -63.8 -5.6 | 76 60 -57.9 -13.9 56 29 23470 95 63 -62.8 5.5 | 87 57 -56.9 -2.9 Wind Parameters Mean winds (0-6000m): 115.1 at 13.6 knts Storm direction: 145.1 at 10.2 knts Shear (0-3000m) pos: 0.6 neg: 1.9 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 52.6 deg Storm rel helicity (0-3000m) pos: 62.4 neg: -16.3 tot: 46.2 m^2/s^2 ave: 15.4 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 2.8 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 36.01 Bulk Shear: 7.52 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 ------------------------------------------------------------------------------- 500 130 20 115 10| 0.0 14.6 14.6| 10.4 -0.5 10.0 19.9 0.66| 17.9 11.8 1000 131 21 119 11| 1.6 7.3 8.9| 20.9 -0.6 20.3 20.3 0.70| 10.7 7.4 1500 135 21 125 11| 1.7 4.9 6.6| 32.9 -6.2 26.8 17.8 0.50| 10.9 5.4 2000 135 19 124 9| 1.3 1.7 2.9| 32.9 -14.7 18.2 9.1 0.21| 10.6 2.2 2500 132 17 114 8| 1.0 2.3 3.3| 36.6 -16.3 20.3 8.1 0.18| 10.3 1.8 3000 126 17 100 8| 0.6 1.9 2.5| 62.4 -16.3 46.2 15.4 0.28| 10.1 2.8 4000 116 18 88 10| 1.3 1.0 2.3| 83.2 -43.0 40.3 10.1 0.19| 10.2 1.9 5000 115 16 79 9| 0.7 0.8 1.5| 83.2 -64.6 18.6 3.7 0.04| 9.6 0.4 6000 115 14 68 7| 0.6 0.8 1.4| 88.6 -65.7 22.9 3.8 0.06| 8.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251225.00.gif