UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:0000Z 8 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 1010 52 27.0 22.6 77 4.4 23.8 120 10 299.3 302.5 296.6 349.9 17.34 1 1003 103 26.4 21.8 76 4.6 23.1 120 13 299.3 302.3 296.1 347.8 16.61 2 1000 125 26.2 21.9 77 4.3 23.1 120 15 299.4 302.4 296.3 348.3 16.77 3 937 696 20.8 20.1 96 0.7 20.3 118 20 299.5 302.4 295.8 346.2 16.00 4 925 808 20.4 16.7 79 3.7 17.9 115 22 300.2 302.6 293.9 338.4 13.04 5 918 874 20.2 16.1 77 4.1 17.4 118 23 300.6 302.9 293.7 337.7 12.64 6 911 940 19.4 19.4 100 0.0 19.4 121 23 300.5 303.3 295.9 346.6 15.75 7 908 968 18.8 18.5 98 0.3 18.6 122 23 300.1 302.8 295.2 343.8 14.92 8 905 997 17.0 14.6 86 2.4 15.4 123 23 298.6 300.7 292.4 332.4 11.62 9 899 1054 18.6 15.7 83 2.9 16.7 125 23 300.8 303.1 293.7 337.7 12.58 10 864 1395 16.4 15.0 91 1.4 15.5 124 24 301.9 304.2 294.0 338.8 12.51 11 850 1534 16.2 11.7 75 4.5 13.3 120 24 303.1 305.0 292.7 333.5 10.21 12 838 1655 15.8 8.8 63 7.0 11.5 118 24 303.9 305.5 291.5 329.4 8.51 13 817 1871 17.0 -3.0 25 20.0 6.9 114 25 307.4 308.1 288.5 319.1 3.75 14 796 2092 15.8 3.8 45 12.0 8.9 111 26 308.4 309.6 291.1 327.9 6.32 15 752 2572 13.2 -9.8 19 23.0 3.0 98 25 310.7 311.1 288.2 318.4 2.41 16 700 3171 9.8 -6.2 32 16.0 2.2 95 20 313.3 314.0 290.0 324.3 3.43 17 688 3314 9.0 -10.0 25 19.0 0.7 91 18 314.0 314.5 289.5 322.4 2.60 18 682 3387 8.6 -1.4 49 10.0 3.4 89 17 314.3 315.3 291.8 330.4 5.07 19 637 3947 3.8 -3.2 60 7.0 0.3 78 16 315.1 316.0 291.7 330.2 4.74 20 600 4430 0.2 -7.8 55 8.0 -3.4 75 20 316.4 317.0 291.1 327.8 3.54 21 596 4483 0.0 -10.0 47 10.0 -4.3 75 20 316.7 317.3 290.7 326.5 3.00 22 578 4729 -0.5 -26.5 12 26.0 -8.0 96 15 318.9 319.1 289.2 321.6 0.76 23 575 4771 0.6 -36.4 4 37.0 -8.2 102 14 320.7 320.8 289.3 321.8 0.30 24 574 4785 0.6 -33.4 6 34.0 -8.0 104 14 320.9 320.9 289.5 322.3 0.40 25 500 5880 -5.9 -38.9 5 33.0 -12.8 125 3 325.8 325.9 290.8 326.8 0.26 26 476 6265 -7.5 -48.5 2 41.0 -14.3 139 4 328.5 328.5 291.4 328.9 0.10 27 431 7032 -11.7 -38.7 9 27.0 -17.0 252 8 332.6 332.7 292.7 333.8 0.31 28 427 7104 -12.1 -32.1 17 20.0 -16.8 263 9 333.0 333.1 293.1 335.2 0.61 29 419 7248 -13.5 -26.5 33 13.0 -17.0 284 10 333.0 333.2 293.5 336.8 1.05 30 400 7600 -16.1 -37.1 15 21.0 -20.1 280 13 334.1 334.1 293.2 335.6 0.40 31 395 7694 -16.9 -39.9 12 23.0 -20.9 281 12 334.2 334.3 293.2 335.4 0.30 32 390 7790 -17.9 -29.9 34 12.0 -20.7 281 11 334.1 334.3 293.6 337.2 0.82 33 383 7924 -18.7 -43.7 9 25.0 -22.5 282 11 334.8 334.9 293.2 335.6 0.21 34 372 8141 -20.3 -35.3 25 15.0 -23.1 284 10 335.5 335.6 293.7 337.4 0.51 35 338 8840 -26.5 -49.5 10 23.0 -28.9 305 13 336.4 336.4 293.6 336.9 0.12 36 333 8948 -26.7 -45.7 15 19.0 -28.9 303 13 337.5 337.6 293.9 338.3 0.19 37 313 9390 -30.7 -41.7 33 11.0 -32.0 302 13 338.0 338.0 294.1 339.2 0.31 38 311 9436 -30.7 -33.4 77 2.7 -31.2 303 12 338.6 338.8 294.7 341.4 0.73 39 306 9550 -31.5 -36.0 64 4.5 -32.1 304 12 339.1 339.2 294.6 341.3 0.58 40 300 9690 -32.7 -36.2 71 3.5 -33.2 305 11 339.3 339.4 294.7 341.5 0.58 41 275 10298 -38.1 -41.2 73 3.1 -38.4 279 11 340.0 340.1 294.7 341.5 0.38 42 250 10950 -42.9 -47.1 63 4.2 -43.2 210 6 342.3 342.3 295.1 343.2 0.22 43 200 12410 -55.9 -59.4 65 3.5 -56.0 230 34 344.2 344.3 295.4 344.5 0.06 44 172 13349 -63.9 -68.3 55 4.4 -64.0 235 36 346.2 346.2 295.8 346.3 0.02 45 170 13421 -64.5 -70.5 43 6.0 -64.6 235 35 346.3 346.3 295.8 346.4 0.02 46 166 13566 -64.5 -74.5 24 10.0 -64.6 229 33 348.7 348.7 296.4 348.8 0.01 47 150 14180 -66.9 -78.9 17 12.0 -67.0 260 15 354.8 354.8 297.7 354.9 0.01 48 148 14260 -67.3 -79.3 17 12.0 -67.4 263 15 355.5 355.5 297.8 355.5 0.01 49 141 14550 -66.9 -79.9 14 13.0 -67.0 283 17 361.2 361.2 299.0 361.2 0.00 50 101 16503 -76.7 -86.7 19 10.0 -76.7 271 22 378.5 378.5 302.0 378.5 0.00 51 100 16560 -76.5 -86.5 19 10.0 -76.5 270 22 379.9 379.9 302.2 379.9 0.00 52 85 17494 -78.9 -89.9 15 11.0 -78.9 285 4 393.1 393.1 304.2 393.1 0.00 53 72 18440 -79.7 -88.7 21 9.0 -79.7 38 9 410.6 410.6 306.6 410.6 0.00 54 70 18600 -79.1 -89.1 18 10.0 -79.1 190 6 415.2 415.2 307.2 415.2 0.00 55 50 20560 -71.5 -90.5 4 19.0 -71.6 65 21 475.0 475.0 313.1 475.0 0.00 TRP 85 17494 -78.9 -89.9 15 11.0 -78.9 285 4 393.1 393.1 304.2 393.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5755.00 m Freezing level: 596.00 mb = 4483.34 m = 14708.94 ft Freezing level: 576.64 mb = 4747.88 m = 15576.84 ft Freezing level: 567.17 mb = 4885.73 m = 16029.09 ft Wetbulb zero: 633.87 mb = 3986.35 m = 13078.43 ft Precipitable water: 1.43 inches Sfc-500 mean rel hum: 44.83 % Est. max temperature: 29.97 C = 85.94 F Sfc-Lift cond lev (LCL): 947.69 mb = 596.49 m = 1956.96 ft T: 21.74 C 700-500 lapse rate: 5.80 C/km ThetaE index: 19.73 C Layer 850.0- 796.0 mb Conv cond level (CCL): 911.44 mb = 935.82 m = 3070.22 ft Mean mixing ratio: 15.78 g/kg Conv temperature: 28.17 C = 82.71 F Cap Strength: 1.75 C Lifted Index: -1.41 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.96 C Lifted Index @700 mb: 0.41 C Showalter Index: 3.69 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 17.60 C K Index: 17.80 Risk: < 20 % chance of thunderstorms Sweat Index: 191.40 Risk: None Energy Index: -1.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 532.04 J/kg Max Up Vert Vel: 32.62 m/s Conv Inhibition (B-): 2.69 J/kg Cap Strength: 1.70 C Lift Cond Lev (LCL): 923.06 mb = 826.21 m = 2710.64 ft Lev Free Conv (LFC): 908.06 mb = 967.87 m = 3175.40 ft Equ Level (EL): 828.06 mb = 1756.22 m = 5761.82 ft B at Equ Level: 16.78 J/kg Max Parcel Lev (MPL): 788.06 mb = 2176.63 m = 7141.09 ft Wind level data Storm motion: 134 at 13 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 1010 52 120 10 -8.7 5.0 | 354 4 0.4 -3.8 1 1000 125 120 15 -13.0 7.5 | 72 4 -3.9 -1.3 2 980 305 115 17 -15.4 7.2 | 76 7 -6.4 -1.6 3 946 610 120 19 -16.5 9.5 | 95 7 -7.4 0.7 4 925 808 115 22 -19.9 9.3 | 93 11 -10.9 0.5 5 914 914 120 23 -19.9 11.5 | 104 11 -10.9 2.7 6 882 1219 130 24 -18.4 15.4 | 125 11 -9.3 6.6 7 850 1534 120 24 -20.8 12.0 | 105 12 -11.7 3.2 8 792 2134 110 26 -24.4 8.9 | 90 15 -15.4 0.1 9 764 2438 100 24 -23.6 4.2 | 72 15 -14.6 -4.6 10 736 2743 95 27 -26.9 2.4 | 70 19 -17.8 -6.4 11 710 3048 100 19 -18.7 3.3 | 60 11 -9.7 -5.5 12 700 3171 95 20 -19.9 1.7 | 57 13 -10.9 -7.1 13 659 3658 80 12 -11.8 -2.1 | 14 11 -2.8 -10.9 14 611 4267 75 20 -19.3 -5.2 | 36 17 -10.3 -14.0 15 588 4572 75 20 -19.3 -5.2 | 36 17 -10.3 -14.0 16 566 4877 120 10 -8.7 5.0 | 354 4 0.4 -3.8 17 545 5182 200 1 0.3 0.9 | 310 12 9.4 -7.9 18 500 5880 125 3 -2.5 1.7 | 317 10 6.6 -7.1 19 486 6096 115 3 -2.7 1.3 | 320 10 6.3 -7.5 20 415 7315 295 10 9.1 -4.2 | 306 22 18.1 -13.0 21 400 7600 280 13 12.8 -2.3 | 297 24 21.9 -11.1 22 399 7620 280 12 11.8 -2.1 | 298 24 20.9 -10.9 23 367 8230 285 10 9.7 -2.6 | 301 22 18.7 -11.4 24 352 8534 310 12 9.2 -7.7 | 312 25 18.2 -16.5 25 323 9144 300 14 12.1 -7.0 | 307 26 21.2 -15.8 26 300 9690 305 11 9.0 -6.3 | 310 24 18.1 -15.1 27 297 9754 310 11 8.4 -7.1 | 312 24 17.5 -15.9 28 272 10363 275 11 11.0 -1.0 | 296 22 20.0 -9.8 29 250 10950 210 6 3.0 5.2 | 287 13 12.0 -3.6 30 249 10973 215 6 3.4 4.9 | 287 13 12.5 -3.9 31 200 12410 230 34 26.0 21.9 | 250 37 35.1 13.1 32 188 12802 235 40 32.8 22.9 | 251 44 41.8 14.1 33 170 13411 235 35 28.7 20.1 | 253 39 37.7 11.3 34 154 14021 210 26 13.0 22.5 | 238 26 22.0 13.7 35 150 14180 260 15 14.8 2.6 | 285 25 23.8 -6.2 36 146 14326 265 15 14.9 1.3 | 287 25 24.0 -7.5 37 139 14630 290 18 16.9 -6.2 | 300 30 26.0 -15.0 38 125 15240 310 23 17.6 -14.8 | 311 36 26.7 -23.6 39 107 16154 280 25 24.6 -4.3 | 291 36 33.7 -13.1 40 100 16560 270 22 22.0 -0.0 | 286 32 31.0 -8.8 41 97 16764 270 22 22.0 -0.0 | 286 32 31.0 -8.8 42 92 17069 300 22 19.1 -11.0 | 305 34 28.1 -19.8 43 87 17374 300 10 8.7 -5.0 | 308 22 17.7 -13.8 44 85 17494 285 4 3.9 -1.0 | 307 16 12.9 -9.8 45 82 17678 350 1 0.2 -1.0 | 317 13 9.2 -9.8 46 78 17983 85 10 -10.0 -0.9 | 5 10 -0.9 -9.7 47 74 18288 75 17 -16.4 -4.4 | 29 15 -7.4 -13.2 48 70 18593 0 0 -0.0 -0.0 | 314 13 9.0 -8.8 49 70 18600 190 6 1.0 5.9 | 286 10 10.1 -2.9 50 60 19507 150 10 -5.0 8.7 | 272 4 4.0 -0.1 51 57 19812 140 19 -12.2 14.6 | 151 7 -3.2 5.8 52 54 20117 95 20 -19.9 1.7 | 57 13 -10.9 -7.1 53 51 20422 60 23 -19.9 -11.5 | 28 23 -10.9 -20.3 54 50 20560 65 21 -19.0 -8.9 | 29 20 -10.0 -17.7 55 45 21031 65 21 -19.0 -8.9 | 29 20 -10.0 -17.7 Wind Parameters Mean winds (0-6000m): 104.2 at 16.8 knts Storm direction: 134.2 at 12.6 knts Shear (0-3000m) pos: 0.9 neg: 2.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 66.1 deg Storm rel helicity (0-3000m) pos: 26.0 neg: -56.6 tot: -30.6 m^2/s^2 ave: -10.2 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 7.5 stream: -0.2 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 265.61 Bulk Shear: 2.00 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 ------------------------------------------------------------------------------- 500 118 16 77 6| 0.0 8.9 8.9| 8.3 0.0 8.3 16.6 0.81| 10.0 8.1 1000 118 19 91 8| 2.7 4.4 7.1| 20.3 -0.5 19.8 19.8 0.71| 8.7 6.1 1500 121 21 102 9| 1.8 3.3 5.1| 26.0 -12.4 13.6 9.1 0.44| 7.8 3.4 2000 120 22 101 10| 1.3 3.2 4.5| 26.0 -23.0 3.0 1.5 0.26| 6.9 1.8 2500 116 22 95 11| 1.1 2.9 4.0| 26.0 -45.2 -19.3 -7.7 0.05| 6.9 0.3 3000 113 23 90 12| 0.9 2.5 3.3| 26.0 -56.6 -30.6 -10.2 -0.03| 7.5 -0.2 4000 108 21 77 11| 0.6 2.2 2.8| 38.3 -86.1 -47.8 -11.9 -0.12| 7.6 -0.9 5000 104 20 68 11| 2.6 2.0 4.6| 48.7 -97.2 -48.6 -9.7 -0.16| 8.8 -1.4 6000 104 17 57 9| 2.2 2.0 4.2| 59.8 -97.6 -37.8 -6.3 -0.11| 8.0 -0.8 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251208.00.gif