UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 3 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 29.8 22.8 66 7.0 24.7 110 6 302.2 305.4 297.5 354.1 17.58 1 1008 59 28.0 23.3 76 4.7 24.6 111 6 300.5 303.8 297.4 353.8 18.15 2 1002 102 27.2 22.8 77 4.4 24.0 114 8 300.2 303.4 297.1 352.1 17.70 3 1000 116 26.8 23.0 80 3.8 24.0 115 9 300.0 303.2 297.2 352.6 17.96 4 977 321 23.8 22.1 90 1.7 22.6 110 13 298.9 302.1 296.5 349.7 17.39 5 946 602 21.6 20.2 92 1.4 20.6 115 15 299.5 302.4 295.7 346.0 15.95 6 925 797 20.8 17.3 80 3.5 18.4 110 20 300.6 303.1 294.4 340.3 13.55 7 850 1524 16.2 14.3 89 1.9 15.0 95 16 303.1 305.4 294.1 339.1 12.15 8 807 1964 13.4 12.4 94 1.0 12.7 83 16 304.7 306.8 293.9 338.4 11.29 9 766 2404 12.8 6.8 67 6.0 9.2 80 18 308.6 310.1 292.6 333.4 8.12 10 719 2933 8.0 5.0 81 3.0 6.2 79 18 309.0 310.4 292.3 332.3 7.63 11 700 3154 6.6 -0.4 61 7.0 2.9 90 17 309.8 310.8 290.6 326.3 5.31 12 699 3166 6.6 -1.4 57 8.0 2.5 91 17 309.9 310.9 290.3 325.3 4.94 13 692 3249 8.4 -18.6 13 27.0 -1.4 95 18 312.8 313.1 287.8 317.1 1.27 14 691 3260 8.4 -17.6 14 26.0 -1.2 95 18 312.9 313.2 287.9 317.6 1.39 15 674 3466 8.0 -23.0 9 31.0 -2.3 91 20 314.7 314.9 288.0 317.8 0.89 16 581 4680 3.6 -37.4 3 41.0 -6.5 81 16 323.2 323.3 290.0 324.2 0.26 17 500 5880 -4.7 -38.7 5 34.0 -12.1 95 7 327.3 327.4 291.2 328.3 0.27 18 489 6054 -5.7 -41.7 4 36.0 -12.9 115 8 328.2 328.2 291.4 328.9 0.20 19 461 6511 -9.5 -20.5 40 11.0 -13.1 208 6 329.0 329.3 293.0 334.7 1.62 20 453 6646 -10.3 -16.3 61 6.0 -12.5 239 9 329.7 330.1 293.8 337.8 2.36 21 421 7204 -14.1 -18.5 69 4.4 -15.6 235 16 331.8 332.2 294.1 339.2 2.11 22 402 7552 -15.1 -25.1 42 10.0 -17.9 247 18 334.9 335.1 294.1 339.4 1.24 23 400 7590 -15.1 -28.1 32 13.0 -18.4 250 18 335.4 335.6 294.0 338.8 0.95 24 380 7976 -17.3 -34.3 21 17.0 -20.8 256 16 337.4 337.5 294.2 339.5 0.55 25 358 8421 -20.9 -41.9 13 21.0 -24.2 268 12 338.4 338.4 294.2 339.5 0.27 26 330 9017 -25.7 -52.7 6 27.0 -28.4 107 10 339.8 339.8 294.3 340.1 0.09 27 300 9700 -31.7 -43.7 30 12.0 -33.0 160 18 340.7 340.8 294.7 341.8 0.27 28 280 10183 -35.9 -44.9 39 9.0 -36.8 160 22 341.4 341.5 294.9 342.4 0.25 29 272 10384 -37.5 -52.5 19 15.0 -38.5 160 23 342.0 342.0 294.9 342.4 0.11 30 250 10960 -42.1 -56.1 20 14.0 -42.8 140 22 343.5 343.5 295.2 343.8 0.08 31 234 11404 -45.7 -60.7 17 15.0 -46.3 142 26 344.6 344.6 295.4 344.8 0.05 32 214 11993 -50.9 -59.9 34 9.0 -51.2 144 32 345.4 345.4 295.7 345.7 0.06 33 202 12366 -53.5 -65.5 22 12.0 -53.8 156 39 347.1 347.1 296.0 347.2 0.03 34 200 12430 -53.9 -62.9 32 9.0 -54.1 160 41 347.4 347.4 296.1 347.6 0.04 35 191 12724 -56.5 -62.5 47 6.0 -56.6 164 43 347.8 347.9 296.2 348.0 0.04 36 169 13489 -62.5 -72.5 25 10.0 -62.6 169 40 350.3 350.3 296.7 350.3 0.01 37 163 13712 -62.3 -76.3 14 14.0 -62.4 170 39 354.2 354.2 297.5 354.3 0.01 38 150 14220 -66.5 -75.5 27 9.0 -66.5 215 17 355.5 355.5 297.8 355.6 0.01 39 132 14983 -71.5 -78.5 34 7.0 -71.5 256 23 359.8 359.8 298.7 359.9 0.01 40 118 15640 -73.3 -86.3 12 13.0 -73.3 266 23 368.3 368.3 300.2 368.3 0.00 41 100 16590 -80.5 -86.5 36 6.0 -80.5 255 7 372.2 372.2 300.9 372.2 0.00 42 96 16820 -82.1 -87.0 43 4.9 -82.1 135 6 373.4 373.4 301.2 373.4 0.00 43 78 17982 -83.3 -89.3 34 6.0 -83.3 143 7 393.8 393.8 304.3 393.8 0.00 44 77 18054 -80.7 -87.7 30 7.0 -80.7 144 9 400.7 400.7 305.3 400.7 0.00 45 74 18278 -82.3 -88.3 35 6.0 -82.3 147 14 401.9 401.9 305.5 401.9 0.00 46 70 18590 -81.3 -89.3 25 8.0 -81.3 150 20 410.5 410.5 306.6 410.5 0.00 47 68 18753 -80.7 -89.7 21 9.0 -80.7 143 20 415.2 415.2 307.2 415.2 0.00 48 67 18837 -77.3 -87.3 19 10.0 -77.3 147 20 424.3 424.3 308.2 424.3 0.00 49 62 19284 -74.9 -87.9 12 13.0 -75.0 118 26 439.1 439.1 309.8 439.1 0.00 50 50 20540 -71.9 -89.9 5 18.0 -72.0 105 25 474.1 474.1 313.0 474.1 0.00 51 49 20659 -72.1 -91.1 4 19.0 -72.2 103 27 476.3 476.3 313.1 476.3 0.00 52 47 20905 -69.1 -90.1 3 21.0 -69.3 98 30 489.2 489.2 314.2 489.2 0.00 53 46 21033 -69.9 -89.9 4 20.0 -70.1 95 32 490.3 490.3 314.2 490.3 0.00 54 42 21575 -68.9 -90.9 3 22.0 -69.1 90 42 505.7 505.7 315.4 505.7 0.00 55 40 21869 -64.9 -89.9 2 25.0 -65.3 90 49 522.9 522.9 316.5 522.9 0.00 56 30 23640 -60.1 -88.1 1 28.0 -61.0 85 64 580.8 580.8 319.7 580.8 0.01 57 22 25600 -54.7 -84.7 1 30.0 -56.8 89 75 650.8 650.8 322.7 650.9 0.01 58 21 25898 -54.7 -84.7 1 30.0 -56.9 90 77 659.5 659.5 323.0 659.6 0.01 TRP 96 16820 -82.1 -87.0 43 4.9 -82.1 135 6 373.4 373.4 301.2 373.4 0.00 WND 21 25898 -54.7 -84.7 1 30.0 -56.9 90 77 659.5 659.5 323.0 659.6 0.01 Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 545.87 mb = 5200.60 m = 17062.14 ft Wetbulb zero: 694.51 mb = 3218.76 m = 10560.09 ft Precipitable water: 1.60 inches Sfc-500 mean rel hum: 46.18 % Est. max temperature: 30.43 C = 86.77 F Sfc-Lift cond lev (LCL): 912.03 mb = 918.37 m = 3012.99 ft T: 20.03 C 700-500 lapse rate: 4.15 C/km ThetaE index: 35.50 C Layer 977.0- 691.0 mb Conv cond level (CCL): 904.79 mb = 986.98 m = 3238.08 ft Mean mixing ratio: 16.04 g/kg Conv temperature: 28.87 C = 83.96 F Cap Strength: 1.30 C Lifted Index: -0.56 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.54 C Lifted Index @700 mb: -3.09 C Showalter Index: 2.43 C Risk: Showers probable Total Totals Index: 39.90 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 19.00 C K Index: 28.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 210.60 Risk: None Energy Index: -1.98 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 373.54 J/kg Max Up Vert Vel: 27.33 m/s Conv Inhibition (B-): 7.53 J/kg Cap Strength: 2.37 C Lift Cond Lev (LCL): 924.11 mb = 805.29 m = 2641.99 ft Lev Free Conv (LFC): 879.11 mb = 1234.50 m = 4050.13 ft Equ Level (EL): 649.11 mb = 3773.69 m = 12380.73 ft B at Equ Level: 105.54 J/kg Max Parcel Lev (MPL): 139.11 mb = 14669.66 m = 48128.21 ft Wind level data Storm motion: 118 at 12 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 52 110 6 -5.6 2.1 | 306 6 5.0 -3.6 1 1000 116 115 9 -8.2 3.8 | 307 3 2.5 -1.9 2 979 305 110 13 -12.2 4.4 | 52 2 -1.6 -1.2 3 945 610 115 15 -13.6 6.3 | 103 3 -2.9 0.7 4 925 797 110 20 -18.8 6.8 | 98 8 -8.1 1.2 5 912 914 105 18 -17.4 4.7 | 82 7 -6.7 -1.0 6 850 1524 95 16 -15.9 1.4 | 51 7 -5.3 -4.3 7 820 1829 85 13 -13.0 -1.1 | 19 7 -2.3 -6.8 8 790 2134 80 19 -18.7 -3.3 | 42 12 -8.0 -9.0 9 762 2438 80 18 -17.7 -3.1 | 39 11 -7.1 -8.8 10 735 2743 70 18 -16.9 -6.2 | 28 13 -6.3 -11.8 11 700 3154 90 17 -17.0 0.0 | 48 8 -6.3 -5.7 12 683 3353 100 19 -18.7 3.3 | 74 8 -8.0 -2.4 13 658 3658 75 23 -22.2 -6.0 | 45 16 -11.6 -11.6 14 634 3962 65 20 -18.1 -8.5 | 28 16 -7.5 -14.1 15 610 4267 70 18 -16.9 -6.2 | 28 13 -6.3 -11.8 16 525 5486 105 13 -12.6 3.4 | 40 3 -1.9 -2.3 17 500 5880 95 7 -7.0 0.6 | 324 6 3.7 -5.1 18 486 6096 120 8 -6.9 4.0 | 294 4 3.7 -1.7 19 467 6401 185 4 0.3 4.0 | 279 11 11.0 -1.7 20 449 6706 255 10 9.7 2.6 | 279 21 20.3 -3.1 21 415 7315 230 17 13.0 10.9 | 257 24 23.7 5.3 22 400 7590 250 18 16.9 6.2 | 269 28 27.6 0.5 23 398 7620 245 18 16.3 7.6 | 266 27 27.0 1.9 24 367 8230 265 14 13.9 1.2 | 280 25 24.6 -4.4 25 352 8534 270 10 10.0 -0.0 | 285 21 20.7 -5.7 26 337 8839 70 2 -1.9 -0.7 | 306 11 8.8 -6.3 27 324 9144 140 18 -11.6 13.8 | 174 8 -0.9 8.1 28 310 9449 150 17 -8.5 14.7 | 193 9 2.2 9.1 29 300 9700 160 18 -6.2 16.9 | 202 12 4.5 11.3 30 273 10363 160 23 -7.9 21.6 | 190 16 2.8 16.0 31 250 10960 140 22 -14.1 16.9 | 163 12 -3.5 11.2 32 250 10973 140 21 -13.5 16.1 | 165 11 -2.8 10.4 33 207 12192 145 34 -19.5 27.9 | 158 24 -8.8 22.2 34 200 12430 160 41 -14.0 38.5 | 174 33 -3.4 32.9 35 188 12802 165 43 -11.1 41.5 | 179 36 -0.5 35.9 36 163 13716 170 39 -6.8 38.4 | 187 33 3.9 32.7 37 150 14220 215 17 9.8 13.9 | 248 22 20.4 8.3 38 147 14326 215 16 9.2 13.1 | 249 21 19.8 7.4 39 140 14630 250 15 14.1 5.1 | 271 25 24.8 -0.5 40 133 14935 260 23 22.7 4.0 | 273 33 33.3 -1.7 41 126 15240 225 21 14.8 14.8 | 250 27 25.5 9.2 42 120 15545 265 21 20.9 1.8 | 277 32 31.6 -3.8 43 108 16154 275 33 32.9 -2.9 | 281 44 43.5 -8.5 44 100 16590 255 7 6.8 1.8 | 282 18 17.4 -3.8 45 97 16764 250 17 16.0 5.8 | 270 27 26.6 0.2 46 96 16820 135 6 -4.2 4.2 | 282 7 6.4 -1.4 47 92 17069 125 11 -9.0 6.3 | 249 2 1.7 0.6 48 87 17374 125 18 -14.7 10.3 | 139 6 -4.1 4.7 49 82 17678 140 1 -0.6 0.8 | 296 11 10.0 -4.9 50 70 18590 150 20 -10.0 17.3 | 183 12 0.7 11.7 51 70 18593 135 21 -14.8 14.8 | 156 10 -4.2 9.2 52 66 18898 150 20 -10.0 17.3 | 183 12 0.7 11.7 53 63 19202 130 27 -20.7 17.4 | 139 15 -10.0 11.7 54 60 19507 90 25 -25.0 0.0 | 68 15 -14.3 -5.7 55 54 20117 90 16 -16.0 0.0 | 43 8 -5.3 -5.7 56 51 20422 110 16 -15.0 5.5 | 88 4 -4.4 -0.2 57 50 20540 105 25 -24.1 6.5 | 93 14 -13.5 0.8 58 44 21336 90 36 -36.0 0.0 | 77 26 -25.3 -5.7 59 38 22250 90 57 -57.0 0.0 | 83 47 -46.3 -5.7 60 30 23640 85 64 -63.8 -5.6 | 78 54 -53.1 -11.2 61 29 23774 80 66 -65.0 -11.5 | 73 57 -54.3 -17.1 62 21 25898 90 77 -77.0 0.0 | 85 67 -66.3 -5.7 63 21 25908 90 77 -77.0 0.0 | 85 67 -66.3 -5.7 64 19 26213 90 75 -75.0 0.0 | 85 65 -64.3 -5.7 Wind Parameters Mean winds (0-6000m): 88.0 at 16.1 knts Storm direction: 118.0 at 12.1 knts Shear (0-3000m) pos: 1.7 neg: 1.9 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 96.7 deg Storm rel helicity (0-3000m) pos: 19.4 neg: -26.5 tot: -7.1 m^2/s^2 ave: -2.4 10^-3 m/s^2 rel: -0.02 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -0.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 54.46 Bulk Shear: 6.86 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 ------------------------------------------------------------------------------- 500 112 12 13 1| 8.9 0.0 8.9| 2.7 0.0 2.7 5.4 0.59| 9.4 5.6 1000 110 15 80 3| 4.4 2.2 6.7| 3.0 -6.1 -3.1 -3.1 0.14| 8.7 1.3 1500 106 15 71 4| 3.0 1.8 4.8| 3.0 -11.6 -8.6 -5.7 -0.03| 6.9 -0.2 2000 101 15 58 5| 2.2 2.4 4.6| 8.9 -17.4 -8.4 -4.2 -0.05| 7.0 -0.3 2500 96 16 52 6| 1.8 2.3 4.0| 10.9 -21.9 -11.0 -4.4 -0.07| 6.4 -0.4 3000 92 16 48 7| 1.7 1.9 3.6| 19.4 -26.5 -7.1 -2.4 -0.02| 6.4 -0.1 4000 89 17 47 9| 1.3 2.2 3.5| 29.8 -66.1 -36.3 -9.1 -0.12| 7.5 -0.9 5000 87 17 44 9| 1.6 1.8 3.4| 35.4 -66.2 -30.8 -6.2 -0.07| 6.9 -0.5 6000 88 16 41 8| 1.5 1.5 3.0| 35.7 -74.0 -38.3 -6.4 -0.15| 6.8 -1.0 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251203.12.gif