UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 4 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 1008 52 27.0 23.1 79 3.9 24.2 110 7 299.5 302.7 297.0 351.9 17.93 1 1000 106 26.4 23.0 82 3.4 23.9 110 13 299.5 302.8 297.1 352.1 17.96 2 960 466 22.8 21.8 94 1.0 22.1 110 20 299.4 302.6 296.7 350.2 17.38 3 941 641 21.6 20.1 91 1.5 20.5 110 21 299.9 302.8 295.8 346.5 15.93 4 925 790 21.2 17.5 79 3.7 18.7 110 19 301.0 303.5 294.6 341.3 13.73 5 850 1519 17.4 13.1 76 4.3 14.6 90 20 304.4 306.5 293.8 337.8 11.22 6 782 2227 13.2 8.3 72 4.9 10.2 89 14 307.2 308.9 292.8 333.9 8.82 7 755 2523 12.4 3.4 54 9.0 7.3 79 13 309.4 310.7 291.6 329.4 6.48 8 720 2920 9.4 1.4 57 8.0 5.1 62 18 310.4 311.5 291.3 328.7 5.89 9 708 3060 10.0 -9.0 25 19.0 1.5 64 19 312.5 313.1 289.2 321.3 2.73 10 700 3154 8.4 6.1 85 2.3 7.0 65 19 311.8 313.4 293.8 337.9 8.47 11 695 3213 10.4 -22.6 8 33.0 -0.9 64 19 314.6 314.8 288.0 317.7 0.90 12 685 3334 11.0 -22.0 8 33.0 -0.6 62 18 316.6 316.8 288.7 319.9 0.96 13 566 4892 0.6 -27.4 10 28.0 -7.6 72 16 322.1 322.3 290.2 324.7 0.71 14 542 5239 0.0 -36.0 5 36.0 -8.8 90 16 325.4 325.5 290.7 326.7 0.33 15 523 5524 -0.9 -33.9 6 33.0 -9.4 123 6 327.7 327.8 291.5 329.3 0.42 16 500 5880 -4.1 -20.1 28 16.0 -9.6 165 8 328.0 328.4 292.6 333.5 1.55 17 475 6282 -7.9 -14.9 57 7.0 -10.6 195 9 328.2 328.7 293.6 336.9 2.53 18 472 6331 -7.7 -24.7 24 17.0 -12.8 195 9 329.0 329.2 292.5 332.9 1.09 19 449 6718 -9.7 -35.7 10 26.0 -15.4 175 10 331.2 331.3 292.4 332.8 0.41 20 447 6753 -9.9 -30.9 16 21.0 -15.1 176 10 331.4 331.6 292.7 333.8 0.65 21 423 7175 -13.7 -23.7 43 10.0 -16.6 186 15 331.8 332.1 293.4 336.6 1.33 22 421 7211 -13.5 -27.5 30 14.0 -17.1 187 15 332.5 332.7 293.3 336.0 0.95 23 400 7600 -14.3 -31.3 22 17.0 -18.3 245 18 336.4 336.5 294.1 339.0 0.70 24 394 7715 -14.9 -34.9 16 20.0 -19.1 234 18 337.1 337.2 294.1 339.0 0.50 25 368 8228 -18.9 -48.9 5 30.0 -22.9 207 5 338.4 338.4 294.0 338.9 0.12 26 315 9363 -29.5 -45.5 20 16.0 -31.3 173 3 339.0 339.1 294.3 339.9 0.21 27 300 9710 -31.5 -51.5 12 20.0 -33.3 125 6 341.0 341.0 294.7 341.4 0.11 28 273 10368 -35.7 -58.7 8 23.0 -37.1 127 19 344.2 344.2 295.4 344.4 0.05 29 250 10970 -41.1 -59.1 13 18.0 -42.0 160 25 345.0 345.0 295.6 345.2 0.05 30 200 12450 -53.7 -63.7 28 10.0 -53.9 140 31 347.7 347.7 296.1 347.9 0.04 31 195 12612 -54.9 -65.9 24 11.0 -55.1 140 34 348.3 348.3 296.3 348.5 0.03 32 174 13329 -60.5 -67.5 39 7.0 -60.6 137 32 350.6 350.7 296.8 350.8 0.02 33 150 14240 -65.3 -78.3 15 13.0 -65.4 195 11 357.6 357.6 298.2 357.6 0.01 34 148 14321 -65.9 -78.9 15 13.0 -66.0 190 12 357.9 357.9 298.3 358.0 0.01 35 128 15183 -73.9 -78.9 46 5.0 -73.9 248 22 358.7 358.7 298.4 358.7 0.01 36 127 15229 -74.1 -79.1 46 5.0 -74.1 248 24 359.1 359.2 298.5 359.2 0.01 37 100 16600 -79.7 -85.7 36 6.0 -79.7 280 14 373.7 373.7 301.2 373.8 0.00 38 91 17132 -83.3 -88.1 43 4.8 -83.3 290 1 376.8 376.8 301.7 376.8 0.00 39 82 17712 -84.1 -89.1 41 5.0 -84.1 263 10 386.6 386.6 303.3 386.6 0.00 40 70 18600 -80.5 -88.5 25 8.0 -80.5 135 37 412.2 412.2 306.8 412.2 0.00 41 67 18847 -80.7 -89.7 21 9.0 -80.7 135 37 416.9 416.9 307.3 416.9 0.00 42 53 20197 -71.7 -89.7 5 18.0 -71.8 101 19 466.7 466.7 312.4 466.7 0.00 43 52 20309 -72.3 -90.3 5 18.0 -72.4 95 22 467.8 467.8 312.4 467.8 0.00 44 50 20540 -71.9 -90.9 4 19.0 -72.0 95 31 474.1 474.1 313.0 474.1 0.00 45 45 21160 -72.3 -91.3 4 19.0 -72.4 95 36 487.6 487.6 314.0 487.6 0.00 46 37 22341 -62.3 -90.3 1 28.0 -62.9 77 54 541.3 541.3 317.6 541.4 0.00 47 33 23048 -62.0 -90.7 1 28.6 -62.7 90 64 560.0 560.0 318.6 560.0 0.00 48 31 23434 -61.9 -90.9 1 29.0 -62.6 90 63 570.5 570.5 319.2 570.5 0.00 TRP 91 17132 -83.3 -88.1 43 4.8 -83.3 290 1 376.8 376.8 301.7 376.8 0.00 WND 33 23048 -62.0 -90.7 1 28.6 -62.7 90 64 560.0 560.0 318.6 560.0 0.00 Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 542.00 mb = 5238.77 m = 17187.36 ft Wetbulb zero: 695.55 mb = 3206.78 m = 10520.81 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 42.68 % Est. max temperature: 31.54 C = 88.78 F Sfc-Lift cond lev (LCL): 952.76 mb = 532.00 m = 1745.38 ft T: 22.35 C 700-500 lapse rate: 4.59 C/km ThetaE index: 30.76 C Layer 960.0- 700.0 mb Conv cond level (CCL): 893.07 mb = 1092.89 m = 3585.56 ft Mean mixing ratio: 16.28 g/kg Conv temperature: 29.93 C = 85.88 F Cap Strength: 1.87 C Lifted Index: -0.31 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.87 C Lifted Index @700 mb: -1.58 C Showalter Index: 3.61 C Risk: None Total Totals Index: 38.70 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 17.20 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 205.20 Risk: None Energy Index: -0.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 316.47 J/kg Max Up Vert Vel: 25.16 m/s Conv Inhibition (B-): 17.34 J/kg Cap Strength: 1.86 C Lift Cond Lev (LCL): 924.50 mb = 794.69 m = 2607.23 ft Lev Free Conv (LFC): 829.50 mb = 1726.37 m = 5663.88 ft Equ Level (EL): 689.50 mb = 3279.34 m = 10758.87 ft B at Equ Level: 40.59 J/kg Max Parcel Lev (MPL): 149.50 mb = 14260.38 m = 46785.46 ft Wind level data Storm motion: 113 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 1008 52 110 7 -6.6 2.4 | 297 5 4.5 -2.4 1 1000 106 110 13 -12.2 4.4 | 74 1 -1.1 -0.3 2 978 305 110 19 -17.9 6.5 | 105 7 -6.7 1.7 3 944 610 110 21 -19.7 7.2 | 106 9 -8.6 2.4 4 925 790 110 19 -17.9 6.5 | 105 7 -6.7 1.7 5 912 914 100 17 -16.7 3.0 | 72 6 -5.6 -1.8 6 850 1519 90 20 -20.0 0.0 | 62 10 -8.9 -4.8 7 819 1829 85 22 -21.9 -1.9 | 58 13 -10.8 -6.7 8 790 2134 90 15 -15.0 0.0 | 39 6 -3.9 -4.8 9 762 2438 85 11 -11.0 -1.0 | 358 6 0.2 -5.7 10 735 2743 60 18 -15.6 -9.0 | 18 14 -4.5 -13.8 11 700 3154 65 19 -17.2 -8.0 | 26 14 -6.1 -12.8 12 658 3658 55 17 -13.9 -9.8 | 11 15 -2.8 -14.5 13 634 3962 70 18 -16.9 -6.2 | 28 12 -5.8 -10.9 14 610 4267 60 16 -13.9 -8.0 | 12 13 -2.7 -12.8 15 588 4572 60 15 -13.0 -7.5 | 9 12 -1.9 -12.3 16 545 5182 85 18 -17.9 -1.6 | 47 9 -6.8 -6.3 17 525 5486 120 6 -5.2 3.0 | 287 6 5.9 -1.8 18 500 5880 165 8 -2.1 7.7 | 252 10 9.0 3.0 19 486 6096 195 8 2.1 7.7 | 257 14 13.2 3.0 20 467 6401 195 10 2.6 9.7 | 250 15 13.7 4.9 21 449 6706 175 10 -0.9 10.0 | 243 11 10.2 5.2 22 415 7315 190 16 2.8 15.8 | 232 18 13.9 11.0 23 400 7600 245 18 16.3 7.6 | 264 28 27.4 2.9 24 399 7620 230 22 16.9 14.1 | 251 29 28.0 9.4 25 383 7925 245 10 9.1 4.2 | 271 20 20.2 -0.5 26 367 8230 205 5 2.1 4.5 | 271 13 13.2 -0.2 27 311 9449 170 3 -0.5 3.0 | 280 11 10.6 -1.8 28 300 9710 125 6 -4.9 3.4 | 282 6 6.2 -1.3 29 285 10058 110 12 -11.3 4.1 | 14 1 -0.2 -0.6 30 261 10668 145 26 -14.9 21.3 | 167 17 -3.8 16.5 31 250 10970 160 25 -8.6 23.5 | 188 19 2.6 18.7 32 250 10973 170 24 -4.2 23.6 | 200 20 6.9 18.9 33 239 11278 150 20 -10.0 17.3 | 185 13 1.1 12.6 34 228 11582 160 23 -7.9 21.6 | 191 17 3.2 16.9 35 200 12450 140 31 -19.9 23.7 | 155 21 -8.8 19.0 36 189 12802 140 37 -23.8 28.3 | 152 27 -12.7 23.6 37 180 13106 130 31 -23.7 19.9 | 140 20 -12.6 15.2 38 163 13716 150 34 -17.0 29.4 | 167 25 -5.9 24.7 39 150 14240 195 11 2.8 10.6 | 247 15 14.0 5.9 40 148 14326 190 12 2.1 11.8 | 242 15 13.2 7.1 41 140 14630 200 11 3.8 10.3 | 249 16 14.9 5.6 42 133 14935 250 16 15.0 5.5 | 268 26 26.1 0.7 43 120 15545 245 33 29.9 13.9 | 257 42 41.0 9.2 44 108 16154 230 21 16.1 13.5 | 252 29 27.2 8.7 45 100 16600 280 14 13.8 -2.4 | 286 26 24.9 -7.2 46 97 16764 280 14 13.8 -2.4 | 286 26 24.9 -7.2 47 91 17132 290 1 0.9 -0.3 | 293 13 12.1 -5.1 48 87 17374 285 1 1.0 -0.3 | 293 13 12.1 -5.0 49 83 17678 270 10 10.0 -0.0 | 283 22 21.1 -4.8 50 74 18288 155 14 -5.9 12.7 | 213 9 5.2 7.9 51 70 18600 135 37 -26.2 26.2 | 145 26 -15.1 21.4 52 66 18898 135 37 -26.2 26.2 | 145 26 -15.1 21.4 53 60 19507 90 21 -21.0 0.0 | 64 11 -9.9 -4.8 54 57 19812 90 14 -14.0 0.0 | 31 6 -2.9 -4.8 55 54 20117 105 17 -16.4 4.4 | 86 5 -5.3 -0.4 56 51 20422 90 25 -25.0 0.0 | 71 15 -13.9 -4.8 57 50 20540 95 31 -30.9 2.7 | 84 20 -19.8 -2.1 58 42 21641 95 39 -38.9 3.4 | 87 28 -27.7 -1.4 59 38 22250 75 53 -51.2 -13.7 | 65 44 -40.1 -18.5 60 33 23048 90 64 -64.0 0.0 | 85 53 -52.9 -4.8 61 32 23165 90 64 -64.0 0.0 | 85 53 -52.9 -4.8 62 28 23774 90 60 -60.0 0.0 | 84 49 -48.9 -4.8 Wind Parameters Mean winds (0-6000m): 83.2 at 16.1 knts Storm direction: 113.2 at 12.1 knts Shear (0-3000m) pos: 0.0 neg: 2.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 86.1 deg Storm rel helicity (0-3000m) pos: 12.3 neg: -24.0 tot: -11.7 m^2/s^2 ave: -3.9 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 39.97 Bulk Shear: 7.92 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 17 102 5| 0.0 14.0 14.0| 2.4 0.0 2.4 4.8 0.66| 17.4 11.5 1000 108 18 97 6| 0.0 5.6 5.6| 2.4 -7.0 -4.6 -4.6 0.31| 11.8 3.7 1500 103 18 84 7| 0.0 4.8 4.8| 2.4 -9.7 -7.3 -4.9 0.22| 9.1 2.0 2000 98 19 75 8| 0.0 2.7 2.7| 2.4 -16.1 -13.7 -6.8 0.11| 8.6 0.9 2500 97 18 67 7| 0.0 1.8 1.8| 5.4 -23.9 -18.5 -7.4 0.01| 8.7 0.0 3000 91 18 56 8| 0.0 2.5 2.5| 12.3 -24.0 -11.7 -3.9 0.05| 8.5 0.4 4000 83 18 44 9| 0.4 1.8 2.2| 27.8 -40.9 -13.1 -3.3 0.03| 7.6 0.3 5000 80 17 38 10| 0.9 1.4 2.3| 43.7 -51.6 -7.9 -1.6 0.06| 7.1 0.4 6000 83 16 36 8| 1.9 1.2 3.1| 49.2 -63.3 -14.1 -2.4 -0.05| 8.0 -0.4 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251204.00.gif