UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for SBNT... Searching the city database file for: SBNT ... Date:1200Z 12 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 29.6 23.6 70 6.0 25.2 90 8 302.1 305.5 298.1 356.7 18.49 1 1006 66 27.0 22.9 78 4.1 24.0 89 9 299.6 302.9 297.0 351.5 17.74 2 1001 101 26.4 22.4 79 4.0 23.5 86 11 299.5 302.6 296.6 350.0 17.28 3 1000 108 26.6 22.5 78 4.1 23.6 85 11 299.8 302.9 296.8 350.7 17.41 4 944 616 21.2 21.2 100 0.0 21.2 85 14 299.2 302.3 296.4 348.9 17.03 5 938 671 20.4 19.0 92 1.4 19.4 83 14 299.0 301.7 294.9 342.4 14.90 6 934 709 21.0 18.6 86 2.4 19.4 82 14 300.0 302.6 295.0 342.7 14.59 7 925 793 20.4 18.4 88 2.0 19.0 80 14 300.2 302.8 295.0 342.8 14.55 8 850 1519 15.4 14.0 91 1.4 14.5 95 10 302.3 304.5 293.7 337.5 11.91 9 843 1589 15.2 13.2 88 2.0 13.9 97 10 302.8 304.9 293.4 336.5 11.39 10 817 1854 15.8 5.8 51 10.0 9.9 106 11 306.1 307.5 291.0 327.7 7.09 11 771 2344 14.8 -11.2 15 26.0 3.5 125 15 310.2 310.6 287.8 317.0 2.10 12 700 3152 9.2 -20.8 10 30.0 -1.2 150 7 312.7 312.9 287.5 316.2 1.04 13 643 3850 4.6 -16.4 20 21.0 -3.3 258 6 315.1 315.5 288.9 320.6 1.65 14 598 4441 3.2 -32.8 5 36.0 -6.3 4 6 320.1 320.2 289.2 321.6 0.40 15 500 5870 -5.3 -26.3 17 21.0 -11.3 100 15 326.6 326.8 291.6 329.8 0.89 16 481 6173 -6.5 -28.5 16 22.0 -12.5 97 14 328.7 328.9 292.1 331.5 0.76 17 400 7580 -17.5 -31.5 28 14.0 -20.5 130 20 332.2 332.4 293.0 334.8 0.69 18 393 7712 -18.5 -30.5 34 12.0 -21.1 128 22 332.6 332.8 293.2 335.5 0.77 19 383 7903 -20.3 -38.3 18 18.0 -23.3 125 26 332.7 332.8 292.8 334.1 0.37 20 346 8650 -23.9 -47.9 9 24.0 -26.8 137 36 337.6 337.7 293.9 338.2 0.14 21 342 8734 -23.5 -61.5 2 38.0 -26.8 140 37 339.3 339.3 294.2 339.4 0.03 22 314 9354 -27.3 -62.3 2 35.0 -29.9 163 29 342.4 342.4 294.9 342.5 0.03 23 300 9680 -30.1 -63.1 3 33.0 -32.3 175 23 343.0 343.0 295.1 343.1 0.03 24 266 10524 -37.3 -58.3 9 21.0 -38.5 190 20 344.4 344.5 295.4 344.7 0.05 25 250 10950 -40.3 -63.3 7 23.0 -41.3 195 20 346.2 346.2 295.8 346.3 0.03 26 207 12207 -50.9 -71.9 7 21.0 -51.3 230 26 348.7 348.7 296.4 348.8 0.01 27 200 12430 -53.1 -71.1 9 18.0 -53.4 220 25 348.7 348.7 296.4 348.7 0.01 28 167 13567 -63.1 -75.1 18 12.0 -63.2 231 21 350.4 350.5 296.7 350.5 0.01 29 156 13983 -66.5 -75.5 27 9.0 -66.5 235 19 351.6 351.6 297.0 351.6 0.01 30 150 14220 -68.1 -77.1 26 9.0 -68.2 240 19 352.8 352.8 297.3 352.8 0.01 31 137 14760 -71.5 -81.5 21 10.0 -71.5 238 19 356.0 356.0 297.9 356.1 0.00 32 115 15776 -78.9 -83.1 50 4.2 -78.9 248 34 360.6 360.6 298.8 360.6 0.00 33 113 15876 -79.7 -84.6 44 4.9 -79.7 245 31 360.9 360.9 298.9 360.9 0.00 34 100 16570 -78.9 -86.9 26 8.0 -78.9 270 35 375.3 375.3 301.5 375.3 0.00 35 70 18580 -81.3 -90.3 20 9.0 -81.3 185 12 410.5 410.5 306.6 410.5 0.00 36 65 18994 -82.5 -91.5 20 9.0 -82.5 158 12 416.6 416.6 307.3 416.6 0.00 37 63 19172 -74.9 -87.9 12 13.0 -75.0 123 11 437.1 437.1 309.6 437.1 0.00 38 61 19359 -75.5 -88.5 11 13.0 -75.6 123 6 439.8 439.8 309.8 439.8 0.00 39 58 19653 -71.9 -88.9 6 17.0 -72.0 97 13 454.4 454.4 311.3 454.4 0.00 40 53 20181 -74.3 -90.3 7 16.0 -74.4 67 20 460.7 460.7 311.8 460.7 0.00 41 50 20520 -73.9 -90.9 6 17.0 -74.0 85 21 469.3 469.3 312.6 469.4 0.00 42 41 21690 -69.7 -91.7 3 22.0 -69.9 108 36 507.2 507.2 315.5 507.2 0.00 43 39 21987 -70.3 -92.3 3 22.0 -70.5 102 44 513.0 513.0 315.8 513.0 0.00 44 38 22144 -65.7 -91.7 2 26.0 -66.1 98 48 528.6 528.6 316.8 528.6 0.00 45 33 23003 -64.7 -91.7 1 27.0 -65.2 88 60 553.0 553.0 318.2 553.0 0.00 46 30 23590 -60.7 -89.7 1 29.0 -61.6 85 62 579.2 579.2 319.6 579.2 0.00 47 23 25243 -60.7 -89.7 1 29.0 -61.8 90 77 624.9 624.9 321.7 624.9 0.01 TRP 113 15876 -79.7 -84.6 44 4.9 -79.7 245 31 360.9 360.9 298.9 360.9 0.00 WND 23 25243 -60.7 -89.7 1 29.0 -61.8 90 77 624.9 624.9 321.7 624.9 0.01 Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 561.11 mb = 4978.70 m = 16334.12 ft Wetbulb zero: 718.11 mb = 2938.42 m = 9640.38 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 36.34 % Est. max temperature: 29.59 C = 85.26 F Sfc-Lift cond lev (LCL): 924.46 mb = 797.99 m = 2618.06 ft T: 20.37 C 700-500 lapse rate: 5.33 C/km ThetaE index: 26.60 C Layer 850.0- 643.0 mb Conv cond level (CCL): 938.28 mb = 668.78 m = 2194.13 ft Mean mixing ratio: 16.30 g/kg Conv temperature: 26.52 C = 79.73 F Cap Strength: 1.30 C Lifted Index: -1.39 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.30 C Lifted Index @700 mb: -0.66 C Showalter Index: 2.53 C Risk: Showers probable Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 19.30 C K Index: 4.70 Risk: None Sweat Index: 203.00 Risk: None Energy Index: -1.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 438.30 J/kg Max Up Vert Vel: 29.61 m/s Conv Inhibition (B-): 1.69 J/kg Cap Strength: 2.35 C Lift Cond Lev (LCL): 928.80 mb = 757.27 m = 2484.45 ft Lev Free Conv (LFC): 913.80 mb = 897.59 m = 2944.80 ft Equ Level (EL): 813.80 mb = 1887.30 m = 6191.86 ft B at Equ Level: 33.11 J/kg Max Parcel Lev (MPL): 123.80 mb = 15348.12 m = 50354.12 ft Wind level data Storm motion: 140 at 8 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 90 8 -8.0 0.0 | 23 7 -2.7 -6.3 1 1000 108 85 11 -11.0 -1.0 | 38 9 -5.7 -7.2 2 978 305 90 13 -13.0 0.0 | 51 10 -7.7 -6.3 3 945 610 85 14 -13.9 -1.2 | 49 11 -8.6 -7.5 4 925 793 80 14 -13.8 -2.4 | 44 12 -8.5 -8.7 5 912 914 80 14 -13.8 -2.4 | 44 12 -8.5 -8.7 6 880 1219 80 12 -11.8 -2.1 | 38 11 -6.5 -8.4 7 850 1519 95 10 -10.0 0.9 | 41 7 -4.7 -5.4 8 790 2134 115 11 -10.0 4.6 | 71 5 -4.7 -1.6 9 762 2438 130 17 -13.0 10.9 | 121 9 -7.7 4.6 10 709 3048 160 11 -3.8 10.3 | 201 4 1.5 4.1 11 700 3152 150 7 -3.5 6.1 | 277 2 1.8 -0.2 12 610 4267 325 5 2.9 -4.1 | 322 13 8.2 -10.4 13 565 4877 115 10 -9.1 4.2 | 61 4 -3.8 -2.1 14 524 5486 130 15 -11.5 9.6 | 119 7 -6.2 3.4 15 505 5791 105 15 -14.5 3.9 | 75 9 -9.2 -2.4 16 500 5870 100 15 -14.8 2.6 | 69 10 -9.5 -3.7 17 485 6096 95 14 -13.9 1.2 | 60 10 -8.6 -5.1 18 448 6706 115 15 -13.6 6.3 | 90 8 -8.3 0.1 19 431 7010 100 15 -14.8 2.6 | 69 10 -9.5 -3.7 20 414 7315 130 15 -11.5 9.6 | 119 7 -6.2 3.4 21 400 7580 130 20 -15.3 12.9 | 123 12 -10.0 6.6 22 366 8230 120 32 -27.7 16.0 | 113 24 -22.4 9.7 23 337 8839 145 38 -21.8 31.1 | 146 30 -16.5 24.8 24 300 9680 175 23 -2.0 22.9 | 191 17 3.3 16.6 25 284 10058 185 21 1.8 20.9 | 206 16 7.1 14.6 26 250 10950 195 20 5.2 19.3 | 219 17 10.5 13.0 27 249 10973 170 18 -3.1 17.7 | 191 12 2.2 11.4 28 238 11278 215 22 12.6 18.0 | 237 21 17.9 11.7 29 217 11887 215 26 14.9 21.3 | 233 25 20.2 15.0 30 207 12192 230 26 19.9 16.7 | 248 27 25.2 10.4 31 200 12430 220 25 16.1 19.2 | 239 25 21.4 12.9 32 188 12802 220 27 17.4 20.7 | 238 27 22.7 14.4 33 179 13106 235 24 19.7 13.8 | 253 26 25.0 7.5 34 163 13716 230 20 15.3 12.9 | 252 22 20.6 6.6 35 150 14220 240 19 16.5 9.5 | 262 22 21.8 3.2 36 147 14326 250 22 20.7 7.5 | 267 26 26.0 1.2 37 140 14630 235 16 13.1 9.2 | 261 19 18.4 2.9 38 120 15545 255 41 39.6 10.6 | 264 45 44.9 4.3 39 113 15876 245 31 28.1 13.1 | 258 34 33.4 6.8 40 108 16154 240 27 23.4 13.5 | 256 30 28.7 7.2 41 102 16459 245 25 22.7 10.6 | 261 28 28.0 4.3 42 100 16570 270 35 35.0 -0.0 | 279 41 40.3 -6.3 43 97 16764 270 35 35.0 -0.0 | 279 41 40.3 -6.3 44 92 17069 285 39 37.7 -10.1 | 291 46 43.0 -16.4 45 82 17678 260 23 22.7 4.0 | 275 28 28.0 -2.3 46 74 18288 180 1 0.0 1.0 | 315 7 5.3 -5.3 47 70 18580 185 12 1.0 12.0 | 228 9 6.4 5.7 48 66 18898 180 12 0.0 12.0 | 223 8 5.3 5.7 49 63 19202 120 11 -9.5 5.5 | 80 4 -4.2 -0.8 50 60 19507 125 2 -1.6 1.1 | 324 6 3.7 -5.1 51 57 19812 70 23 -21.6 -7.9 | 49 22 -16.3 -14.1 52 51 20422 65 18 -16.3 -7.6 | 38 18 -11.0 -13.9 53 50 20520 85 21 -20.9 -1.8 | 63 18 -15.6 -8.1 54 48 20726 85 14 -13.9 -1.2 | 49 11 -8.6 -7.5 55 44 21336 75 36 -34.8 -9.3 | 62 33 -29.5 -15.6 56 41 21641 110 34 -31.9 11.6 | 101 27 -26.6 5.3 57 36 22555 90 59 -59.0 0.0 | 83 54 -53.7 -6.3 58 30 23590 85 62 -61.8 -5.4 | 78 58 -56.5 -11.7 59 23 25243 90 77 -77.0 0.0 | 85 72 -71.7 -6.3 60 21 25603 90 77 -77.0 0.0 | 85 72 -71.7 -6.3 Wind Parameters Mean winds (0-6000m): 109.8 at 11.0 knts Storm direction: 139.8 at 8.2 knts Shear (0-3000m) pos: 2.6 neg: 0.9 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 178.2 deg Storm rel helicity (0-3000m) pos: 37.9 neg: -7.3 tot: 30.5 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 152.84 Bulk Shear: 2.87 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 88 12 46 10| 0.0 6.0 6.0| 9.3 -0.6 8.7 17.4 0.61| 6.6 4.0 1000 84 13 46 11| 0.0 2.8 2.8| 9.3 -5.6 3.7 3.7 0.26| 4.5 1.2 1500 85 13 44 10| 1.5 1.9 3.4| 10.5 -7.3 3.1 2.1 0.17| 4.6 0.8 2000 89 12 46 9| 1.8 1.4 3.2| 14.5 -7.3 7.1 3.6 0.29| 4.2 1.2 2500 97 12 56 8| 2.8 1.1 3.9| 28.1 -7.3 20.8 8.3 0.48| 5.3 2.5 3000 105 13 66 7| 2.6 0.9 3.6| 37.9 -7.3 30.5 10.2 0.57| 5.7 3.3 4000 110 11 63 6| 2.3 0.7 3.0| 62.1 -7.7 54.4 13.6 0.57| 6.9 3.9 5000 108 10 55 6| 0.9 0.6 1.4|122.2 -7.7 114.5 22.9 0.66| 8.0 5.3 6000 110 11 63 6| 0.9 1.0 1.9|127.2 -26.3 100.9 16.8 0.52| 7.8 4.0 Wrote GIF file: /home/apache/climate/data/raob//SBNT/skewt/SBNT.skewt.20251212.12.gif