UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 11 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 29.0 23.0 70 6.0 24.6 105 10 301.4 304.6 297.4 353.8 17.80 1 1000 118 27.6 22.7 75 4.9 24.0 105 9 300.8 304.0 297.2 352.5 17.63 2 990 207 25.2 22.0 82 3.2 22.9 107 11 299.2 302.3 296.4 349.0 17.05 3 963 450 22.8 21.6 93 1.2 21.9 112 15 299.2 302.3 296.4 349.1 17.11 4 926 791 20.6 18.2 86 2.4 18.9 120 13 300.3 302.9 294.9 342.3 14.35 5 925 800 20.6 17.7 83 2.9 18.6 120 13 300.4 302.9 294.6 341.1 13.91 6 850 1527 16.6 13.9 84 2.7 14.8 90 8 303.5 305.7 294.0 338.7 11.83 7 832 1710 17.2 8.2 55 9.0 11.7 93 9 306.0 307.6 292.0 330.9 8.23 8 781 2248 16.0 0.0 34 16.0 7.4 93 6 310.3 311.3 290.5 325.6 4.90 9 742 2682 13.0 1.0 44 12.0 6.4 103 5 311.6 312.7 291.4 329.0 5.55 10 712 3027 11.0 -10.0 22 21.0 1.7 136 3 313.1 313.6 289.1 321.3 2.51 11 704 3122 9.8 2.8 62 7.0 5.8 145 2 312.8 314.1 292.7 333.6 6.66 12 700 3169 9.4 3.4 66 6.0 5.9 150 2 312.9 314.2 293.0 334.7 7.00 13 677 3444 6.6 2.9 77 3.7 4.5 150 1 312.8 314.1 292.9 334.5 6.98 14 667 3566 6.0 0.0 65 6.0 2.8 156 2 313.4 314.5 292.1 331.5 5.74 15 660 3653 5.8 -12.2 26 18.0 -1.6 161 2 314.1 314.6 289.2 321.6 2.27 16 644 3853 4.4 -16.6 20 21.0 -3.4 172 3 314.8 315.1 288.8 320.2 1.62 17 625 4096 2.6 -16.4 23 19.0 -4.4 185 4 315.4 315.7 289.0 321.1 1.70 18 605 4357 0.4 -5.6 64 6.0 -2.4 189 6 315.8 316.6 291.5 329.2 4.16 19 599 4437 0.2 -11.8 40 12.0 -4.7 182 6 316.5 317.0 290.3 325.0 2.58 20 588 4586 1.4 -33.6 5 35.0 -7.4 170 8 319.6 319.7 289.0 321.0 0.38 21 583 4655 1.8 -21.2 16 23.0 -6.0 164 8 320.8 321.1 290.3 325.0 1.21 22 580 4697 1.6 -14.4 29 16.0 -4.8 161 9 321.1 321.5 291.2 328.3 2.16 23 566 4893 0.6 -14.4 31 15.0 -5.4 145 10 322.1 322.6 291.6 329.6 2.21 24 560 4978 0.4 -15.6 29 16.0 -5.8 138 11 322.9 323.3 291.6 329.8 2.03 25 558 5007 0.6 -36.4 4 37.0 -8.3 135 11 323.5 323.5 290.2 324.6 0.30 26 549 5138 0.4 -25.6 12 26.0 -7.6 124 13 324.7 324.9 291.1 327.8 0.87 27 531 5404 -1.7 -17.7 28 16.0 -7.6 134 12 325.3 325.7 292.1 331.5 1.79 28 511 5708 -3.5 -36.5 6 33.0 -11.1 133 14 326.7 326.8 291.2 328.0 0.33 29 500 5880 -4.5 -28.5 13 24.0 -11.1 120 12 327.6 327.7 291.7 330.2 0.73 30 465 6445 -9.3 -21.3 37 12.0 -13.1 95 10 328.4 328.7 292.7 333.7 1.50 31 447 6749 -10.9 -27.9 23 17.0 -15.4 73 9 330.2 330.3 292.6 333.3 0.86 32 400 7590 -17.9 -29.9 34 12.0 -20.6 10 4 331.7 331.9 293.0 334.7 0.80 33 391 7760 -19.5 -28.5 45 9.0 -21.6 15 5 331.8 332.0 293.1 335.2 0.93 34 382 7933 -19.7 -37.7 19 18.0 -22.8 20 6 333.8 333.8 293.1 335.2 0.39 35 352 8536 -23.9 -38.9 24 15.0 -26.2 58 10 336.0 336.1 293.7 337.4 0.37 36 315 9336 -31.1 -40.1 41 9.0 -32.2 155 6 336.8 336.9 293.9 338.2 0.37 37 300 9680 -33.7 -43.7 36 10.0 -34.7 190 11 337.9 337.9 294.0 338.9 0.27 38 279 10183 -37.9 -46.9 38 9.0 -38.7 181 13 338.9 339.0 294.3 339.7 0.20 39 250 10930 -42.7 -57.7 18 15.0 -43.4 135 25 342.6 342.6 295.0 342.8 0.06 40 200 12400 -52.1 -76.1 4 24.0 -52.5 150 24 350.3 350.3 296.7 350.3 0.01 41 194 12596 -53.1 -77.1 4 24.0 -53.4 158 23 351.7 351.7 297.0 351.8 0.01 42 164 13654 -62.5 -79.5 8 17.0 -62.6 228 24 353.3 353.3 297.3 353.3 0.00 43 150 14200 -65.1 -80.1 11 15.0 -65.2 260 44 357.9 357.9 298.3 358.0 0.00 44 107 16175 -80.7 -85.5 44 4.8 -80.7 220 28 364.7 364.7 299.6 364.7 0.00 45 100 16560 -76.3 -86.3 19 10.0 -76.3 250 29 380.3 380.3 302.3 380.3 0.00 46 77 18051 -81.1 -90.1 20 9.0 -81.1 279 14 399.8 399.8 305.2 399.8 0.00 47 70 18590 -79.9 -89.9 17 10.0 -79.9 225 8 413.4 413.4 306.9 413.5 0.00 48 57 19760 -78.1 -90.1 13 12.0 -78.1 106 8 442.6 442.6 310.1 442.6 0.00 49 55 19965 -76.9 -91.9 7 15.0 -77.0 83 10 449.8 449.8 310.8 449.9 0.00 50 53 20182 -69.3 -89.3 4 20.0 -69.5 67 16 472.2 472.2 312.8 472.3 0.00 51 50 20530 -69.7 -90.7 3 21.0 -69.9 105 26 479.2 479.2 313.4 479.2 0.00 52 45 21156 -71.1 -91.1 4 20.0 -71.2 106 28 490.5 490.5 314.2 490.5 0.00 53 44 21290 -67.9 -90.9 2 23.0 -68.1 101 30 501.5 501.5 315.1 501.5 0.00 54 40 21861 -69.5 -91.5 3 22.0 -69.7 98 41 511.3 511.3 315.7 511.3 0.00 55 30 23610 -61.7 -89.7 1 28.0 -62.4 85 63 576.4 576.4 319.5 576.5 0.00 56 21 25865 -53.4 -84.9 1 31.5 -55.9 95 73 663.3 663.3 323.2 663.4 0.01 57 20 26180 -52.3 -84.3 1 32.0 -55.1 95 70 676.1 676.1 323.6 676.2 0.02 58 13 29025 -43.1 -81.1 1 38.0 -50.7 83 33 796.6 796.6 327.2 797.0 0.04 TRP 107 16175 -80.7 -85.5 44 4.8 -80.7 220 28 364.7 364.7 299.6 364.7 0.00 WND 21 25865 -53.4 -84.9 1 31.5 -55.9 95 73 663.3 663.3 323.2 663.4 0.01 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 545.57 mb = 5188.32 m = 17021.84 ft Wetbulb zero: 662.58 mb = 3620.65 m = 11878.62 ft Precipitable water: 1.55 inches Sfc-500 mean rel hum: 47.76 % Est. max temperature: 30.77 C = 87.39 F Sfc-Lift cond lev (LCL): 925.25 mb = 797.65 m = 2616.93 ft T: 20.60 C 700-500 lapse rate: 5.13 C/km ThetaE index: 23.46 C Layer 926.0- 742.0 mb Conv cond level (CCL): 906.25 mb = 976.07 m = 3202.29 ft Mean mixing ratio: 16.05 g/kg Conv temperature: 28.77 C = 83.78 F Cap Strength: 2.15 C Lifted Index: -0.42 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.60 C Lifted Index @700 mb: -0.35 C Showalter Index: 2.83 C Risk: Showers probable Total Totals Index: 39.50 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 18.40 C K Index: 29.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 194.80 Risk: None Energy Index: -1.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 711.86 J/kg Max Up Vert Vel: 37.73 m/s Conv Inhibition (B-): 6.90 J/kg Cap Strength: 2.09 C Lift Cond Lev (LCL): 923.16 mb = 817.11 m = 2680.77 ft Lev Free Conv (LFC): 878.16 mb = 1246.77 m = 4090.40 ft Equ Level (EL): 838.16 mb = 1646.63 m = 5402.25 ft B at Equ Level: 7.47 J/kg Max Parcel Lev (MPL): 818.16 mb = 1852.44 m = 6077.50 ft Wind level data Storm motion: 150 at 6 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 52 105 10 -9.7 2.6 | 66 7 -6.5 -2.9 1 1000 118 105 9 -8.7 2.3 | 61 6 -5.6 -3.1 2 979 305 110 14 -13.2 4.8 | 86 10 -10.0 -0.7 3 945 610 115 16 -14.5 6.8 | 97 11 -11.4 1.3 4 925 800 120 13 -11.3 6.5 | 97 8 -8.1 1.0 5 913 914 125 13 -10.6 7.5 | 105 8 -7.5 2.0 6 881 1219 110 10 -9.4 3.4 | 72 7 -6.3 -2.0 7 850 1524 80 10 -9.8 -1.7 | 43 10 -6.7 -7.2 8 850 1527 90 8 -8.0 0.0 | 42 7 -4.9 -5.5 9 820 1829 95 10 -10.0 0.9 | 56 8 -6.8 -4.6 10 791 2134 100 6 -5.9 1.0 | 32 5 -2.8 -4.4 11 763 2438 80 6 -5.9 -1.0 | 23 7 -2.8 -6.5 12 700 3169 150 2 -1.0 1.7 | 330 4 2.1 -3.7 13 684 3353 145 1 -0.6 0.8 | 331 5 2.6 -4.6 14 611 4267 195 5 1.3 4.8 | 278 4 4.4 -0.6 15 545 5182 120 13 -11.3 6.5 | 97 8 -8.1 1.0 16 525 5486 140 12 -7.7 9.2 | 129 6 -4.6 3.7 17 506 5791 130 15 -11.5 9.6 | 117 9 -8.4 4.2 18 500 5880 120 12 -10.4 6.0 | 94 7 -7.3 0.5 19 486 6096 120 12 -10.4 6.0 | 94 7 -7.3 0.5 20 400 7590 10 4 -0.7 -3.9 | 345 10 2.4 -9.4 21 366 8230 30 8 -4.0 -6.9 | 4 12 -0.9 -12.4 22 351 8534 60 10 -8.7 -5.0 | 28 12 -5.5 -10.5 23 310 9449 170 5 -0.9 4.9 | 283 2 2.3 -0.5 24 300 9680 190 11 1.9 10.8 | 223 7 5.0 5.4 25 297 9754 195 10 2.6 9.7 | 234 7 5.7 4.2 26 272 10363 175 15 -1.3 14.9 | 191 10 1.8 9.5 27 250 10930 135 25 -17.7 17.7 | 130 19 -14.5 12.2 28 248 10973 135 23 -16.3 16.3 | 129 17 -13.1 10.8 29 206 12192 135 31 -21.9 21.9 | 131 25 -18.8 16.5 30 200 12400 150 24 -12.0 20.8 | 150 18 -8.9 15.3 31 197 12497 150 25 -12.5 21.7 | 150 19 -9.4 16.2 32 179 13106 200 15 5.1 14.1 | 224 12 8.3 8.6 33 170 13411 215 16 9.2 13.1 | 238 14 12.3 7.7 34 150 14200 260 44 43.3 7.6 | 267 47 46.5 2.2 35 147 14326 260 41 40.4 7.1 | 268 44 43.5 1.7 36 132 14935 255 46 44.4 11.9 | 262 48 47.6 6.5 37 113 15850 240 44 38.1 22.0 | 248 44 41.2 16.5 38 107 16175 220 28 18.0 21.4 | 233 27 21.1 16.0 39 102 16459 220 30 19.3 23.0 | 232 28 22.4 17.5 40 100 16560 250 29 27.3 9.9 | 262 31 30.4 4.5 41 96 16764 250 35 32.9 12.0 | 260 37 36.0 6.5 42 91 17069 240 12 10.4 6.0 | 268 14 13.5 0.5 43 82 17678 280 10 9.8 -1.7 | 299 15 13.0 -7.2 44 78 17983 285 15 14.5 -3.9 | 298 20 17.6 -9.3 45 70 18590 225 8 5.7 5.7 | 269 9 8.8 0.2 46 66 18898 140 1 -0.6 0.8 | 332 5 2.5 -4.7 47 63 19202 205 15 6.3 13.6 | 229 12 9.5 8.1 48 60 19507 145 12 -6.9 9.8 | 139 6 -3.8 4.4 49 57 19812 100 7 -6.9 1.2 | 42 6 -3.8 -4.2 50 54 20117 70 12 -11.3 -4.1 | 40 13 -8.1 -9.6 51 51 20422 60 28 -24.2 -14.0 | 47 29 -21.1 -19.5 52 50 20530 105 26 -25.1 6.7 | 93 22 -22.0 1.3 53 46 21031 110 27 -25.4 9.2 | 100 23 -22.2 3.8 54 42 21641 90 33 -33.0 0.0 | 80 30 -29.9 -5.5 55 40 21946 100 44 -43.3 7.6 | 93 40 -40.2 2.2 56 38 22250 85 57 -56.8 -5.0 | 79 55 -53.7 -10.4 57 30 23610 85 63 -62.8 -5.5 | 80 61 -59.6 -10.9 58 28 24079 85 65 -64.8 -5.7 | 80 63 -61.6 -11.1 59 21 25865 95 73 -72.7 6.4 | 91 70 -69.6 0.9 60 20 26180 95 70 -69.7 6.1 | 91 67 -66.6 0.6 61 20 26213 95 73 -72.7 6.4 | 91 70 -69.6 0.9 62 17 26822 90 66 -66.0 0.0 | 85 63 -62.9 -5.5 63 14 27432 90 34 -34.0 0.0 | 80 31 -30.9 -5.5 64 12 28042 80 33 -32.5 -5.7 | 69 31 -29.4 -11.2 65 11 28346 85 48 -47.8 -4.2 | 78 46 -44.7 -9.6 66 10 28956 100 20 -19.7 3.5 | 83 17 -16.6 -2.0 Wind Parameters Mean winds (0-6000m): 120.1 at 8.4 knts Storm direction: 150.1 at 6.3 knts Shear (0-3000m) pos: 1.2 neg: 1.3 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): -88.2 deg Storm rel helicity (0-3000m) pos: 16.7 neg: -24.0 tot: -7.4 m^2/s^2 ave: -2.5 10^-3 m/s^2 rel: -0.22 Storm rel vorticity (0-3000m) horiz: 5.6 stream: -1.2 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 236.60 Bulk Shear: 3.01 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 ------------------------------------------------------------------------------- 500 110 13 83 9| 6.1 0.0 6.1| 10.7 0.0 10.7 21.4 0.71| 6.5 4.6 1000 115 13 91 9| 1.5 0.0 1.5| 13.3 -2.6 10.7 10.7 0.36| 6.0 2.1 1500 111 12 83 8| 1.0 2.0 3.0| 13.3 -15.0 -1.6 -1.1 -0.11| 6.7 -0.7 2000 108 11 76 8| 1.0 1.5 2.5| 16.7 -17.9 -1.2 -0.6 -0.09| 6.2 -0.5 2500 106 10 69 7| 0.8 1.5 2.3| 16.7 -20.8 -4.2 -1.7 -0.14| 5.8 -0.8 3000 106 9 63 6| 1.2 1.3 2.5| 16.7 -24.0 -7.4 -2.5 -0.22| 5.6 -1.2 4000 109 7 52 5| 1.3 1.0 2.2| 16.7 -27.1 -10.4 -2.6 -0.27| 4.9 -1.3 5000 118 7 60 4| 1.0 0.6 1.7| 16.7 -37.9 -21.2 -4.2 -0.42| 5.2 -2.2 6000 120 8 73 4| 1.0 0.8 1.8| 22.4 -49.7 -27.3 -4.6 -0.38| 5.4 -2.1 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251211.12.gif