UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 6 DEC 25 Station: SBTS WMO ident: 82026 Latitude: 2.23 Longitude: -55.95 Elevation: 344.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 79 SFC 970 344 26.8 18.8 62 8.0 21.2 20 4 302.6 305.2 295.4 344.6 14.22 2 959 447 27.8 17.8 55 10.0 20.8 34 8 304.6 307.1 295.4 344.8 13.49 3 925 771 25.6 17.6 61 8.0 20.0 55 15 305.5 308.1 295.9 346.8 13.82 4 850 1508 19.2 15.3 78 3.9 16.5 80 12 306.3 308.7 295.6 345.2 12.97 5 798 2048 14.4 13.7 96 0.7 14.0 112 9 306.7 309.0 295.3 344.2 12.45 6 748 2593 10.6 10.0 96 0.6 10.2 121 8 308.3 310.3 294.3 339.8 10.37 7 722 2888 10.2 0.2 50 10.0 4.8 112 9 311.0 312.0 291.1 327.8 5.38 8 707 3064 10.8 -6.2 30 17.0 2.7 107 10 313.6 314.2 290.1 324.5 3.40 9 700 3147 10.4 -6.6 30 17.0 2.3 105 10 314.0 314.6 290.2 324.7 3.33 10 683 3351 9.2 3.2 66 6.0 5.8 105 10 314.9 316.2 293.6 337.1 7.07 11 669 3523 8.6 -1.4 49 10.0 3.3 121 9 316.1 317.1 292.4 332.5 5.16 12 573 4785 0.0 -4.0 74 4.0 -2.0 330 1 320.3 321.3 293.4 336.4 4.97 13 561 4955 -0.3 -11.3 43 11.0 -5.0 358 0 321.9 322.5 292.1 331.5 2.87 14 542 5230 -1.5 -7.5 64 6.0 -4.3 350 2 323.7 324.4 293.6 336.9 4.02 15 500 5870 -4.3 -19.3 30 15.0 -9.6 330 5 327.8 328.1 292.7 333.6 1.66 16 499 5886 -4.5 -19.5 30 15.0 -9.7 329 5 327.7 328.1 292.6 333.5 1.63 17 489 6045 -5.1 -18.1 35 13.0 -9.8 315 5 328.9 329.3 293.2 335.5 1.88 18 455 6606 -9.7 -12.6 79 2.9 -10.9 300 6 330.0 330.6 294.6 340.9 3.19 19 433 6987 -11.9 -15.6 74 3.7 -13.3 292 7 331.9 332.4 294.6 341.0 2.62 20 400 7590 -14.7 -21.7 55 7.0 -16.9 280 8 335.9 336.2 294.8 341.9 1.69 21 383 7918 -16.3 -27.3 38 11.0 -19.2 270 9 338.0 338.2 294.8 341.9 1.06 22 317 9314 -26.1 -45.1 15 19.0 -28.5 250 9 343.1 343.2 295.3 344.0 0.22 23 300 9710 -29.7 -49.7 13 20.0 -31.7 240 9 343.5 343.5 295.3 344.1 0.14 24 262 10659 -38.5 -50.5 27 12.0 -39.4 180 7 344.2 344.2 295.4 344.8 0.14 25 250 10980 -40.7 -55.7 18 15.0 -41.5 185 9 345.6 345.6 295.7 345.9 0.08 26 219 11868 -47.9 -70.9 5 23.0 -48.4 175 11 347.8 347.8 296.1 347.8 0.01 27 200 12460 -52.7 -69.7 11 17.0 -53.0 165 33 349.3 349.3 296.5 349.4 0.02 28 174 13342 -60.7 -73.7 16 13.0 -60.9 166 32 350.3 350.3 296.7 350.4 0.01 29 150 14250 -67.3 -79.3 17 12.0 -67.4 170 24 354.2 354.2 297.5 354.2 0.00 30 110 16055 -82.3 -86.7 47 4.4 -82.3 220 2 358.8 358.8 298.5 358.8 0.00 31 100 16590 -80.9 -86.9 36 6.0 -80.9 250 18 371.4 371.4 300.8 371.4 0.00 32 83 17628 -84.5 -90.5 34 6.0 -84.5 174 3 384.4 384.4 302.9 384.4 0.00 33 70 18590 -76.1 -87.1 16 11.0 -76.2 275 18 421.6 421.6 307.9 421.6 0.00 34 62 19296 -71.5 -87.5 7 16.0 -71.6 281 22 446.7 446.7 310.6 446.7 0.00 35 55 20002 -71.1 -89.1 5 18.0 -71.2 244 17 463.1 463.1 312.1 463.2 0.00 36 50 20560 -73.9 -89.9 7 16.0 -74.0 130 11 469.3 469.3 312.6 469.4 0.00 37 47 20919 -75.3 -91.3 6 16.0 -75.4 108 14 474.4 474.4 313.0 474.4 0.00 38 43 21440 -70.3 -90.3 4 20.0 -70.5 104 27 498.9 498.9 314.9 498.9 0.00 39 32 23224 -63.3 -89.3 2 26.0 -63.9 90 59 561.6 561.6 318.7 561.6 0.00 40 30 23620 -63.7 -89.7 2 26.0 -64.3 85 63 571.0 571.0 319.2 571.0 0.00 TRP 110 16055 -82.3 -86.7 47 4.4 -82.3 220 2 358.8 358.8 298.5 358.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 573.00 mb = 4785.03 m = 15698.71 ft Wetbulb zero: 609.57 mb = 4280.97 m = 14044.99 ft Precipitable water: 1.72 inches Sfc-500 mean rel hum: 64.67 % Est. max temperature: 30.72 C = 87.30 F Sfc-Lift cond lev (LCL): 863.30 mb = 1372.68 m = 4503.49 ft T: 20.38 C 700-500 lapse rate: 5.40 C/km ThetaE index: 22.39 C Layer 850.0- 700.0 mb Conv cond level (CCL): 806.53 mb = 1956.85 m = 6420.04 ft Mean mixing ratio: 13.59 g/kg Conv temperature: 30.84 C = 87.51 F Cap Strength: 1.15 C Lifted Index: 0.13 C Risk: Showers probable Lifted Index @300 mb: 0.92 C Lifted Index @700 mb: 0.95 C Showalter Index: 0.43 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.60 C K Index: 21.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 212.60 Risk: None Energy Index: -2.25 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 99.73 J/kg Max Up Vert Vel: 14.12 m/s Conv Inhibition (B-): 28.22 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 822.31 mb = 1791.16 m = 5876.43 ft Lev Free Conv (LFC): 787.31 mb = 2161.32 m = 7090.86 ft Equ Level (EL): 707.31 mb = 3060.11 m = 10039.61 ft B at Equ Level: 28.13 J/kg Max Parcel Lev (MPL): 307.31 mb = 9536.95 m = 31288.83 ft Wind level data Storm motion: 119 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 ---------------------------------------------------------- 0 970 344 20 4 -1.4 -3.8 | 331 7 3.5 -6.4 1 942 610 55 15 -12.3 -8.6 | 33 13 -7.4 -11.3 2 925 771 55 15 -12.3 -8.6 | 33 13 -7.4 -11.3 3 910 914 60 14 -12.1 -7.0 | 37 12 -7.3 -9.7 4 850 1508 80 12 -11.8 -2.1 | 56 8 -7.0 -4.8 5 818 1829 95 10 -10.0 0.9 | 71 5 -5.1 -1.8 6 789 2134 120 9 -7.8 4.5 | 122 3 -2.9 1.8 7 761 2438 125 7 -5.7 4.0 | 147 2 -0.9 1.3 8 700 3147 105 10 -9.7 2.6 | 89 5 -4.8 -0.1 9 682 3353 105 10 -9.7 2.6 | 89 5 -4.8 -0.1 10 610 4267 195 5 1.3 4.8 | 251 7 6.2 2.2 11 565 4877 0 0 -0.0 -0.0 | 299 6 4.9 -2.7 12 500 5870 330 5 2.5 -4.3 | 314 10 7.4 -7.0 13 486 6096 310 5 3.8 -3.2 | 304 10 8.7 -5.9 14 400 7590 280 8 7.9 -1.4 | 288 13 12.7 -4.1 15 367 8230 260 9 8.9 1.6 | 275 14 13.7 -1.1 16 352 8534 270 10 10.0 -0.0 | 280 15 14.9 -2.7 17 300 9710 240 9 7.8 4.5 | 262 13 12.7 1.8 18 273 10363 175 5 -0.4 5.0 | 242 5 4.4 2.3 19 250 10980 185 9 0.8 9.0 | 222 8 5.6 6.3 20 218 11887 175 11 -1.0 11.0 | 205 9 3.9 8.3 21 200 12460 165 33 -8.5 31.9 | 173 29 -3.7 29.2 22 180 13106 165 34 -8.8 32.8 | 173 30 -3.9 30.2 23 150 14250 170 24 -4.2 23.6 | 182 21 0.7 21.0 24 148 14326 160 33 -11.3 31.0 | 167 29 -6.4 28.3 25 133 14935 205 17 7.2 15.4 | 223 18 12.0 12.7 26 120 15545 225 11 7.8 7.8 | 248 14 12.6 5.1 27 110 16055 220 2 1.3 1.5 | 280 6 6.1 -1.1 28 102 16459 195 11 2.8 10.6 | 224 11 7.7 8.0 29 100 16590 250 18 16.9 6.2 | 261 22 21.8 3.5 30 97 16764 250 18 16.9 6.2 | 261 22 21.8 3.5 31 82 17678 170 2 -0.3 2.0 | 279 5 4.5 -0.7 32 78 17983 135 19 -13.4 13.4 | 141 14 -8.6 10.8 33 74 18288 95 10 -10.0 0.9 | 71 5 -5.1 -1.8 34 70 18590 275 18 17.9 -1.6 | 281 23 22.8 -4.2 35 70 18593 325 11 6.3 -9.0 | 316 16 11.2 -11.7 36 66 18898 270 14 14.0 -0.0 | 278 19 18.9 -2.7 37 63 19202 285 22 21.3 -5.7 | 288 27 26.1 -8.4 38 57 19812 260 20 19.7 3.5 | 268 25 24.6 0.8 39 51 20422 210 10 5.0 8.7 | 239 12 9.9 6.0 40 50 20560 130 11 -8.4 7.1 | 141 6 -3.6 4.4 41 49 20726 125 10 -8.2 5.7 | 133 5 -3.3 3.1 42 46 21031 100 16 -15.8 2.8 | 91 11 -10.9 0.1 43 42 21641 105 32 -30.9 8.3 | 102 27 -26.0 5.6 44 40 21946 85 35 -34.9 -3.1 | 79 31 -30.0 -5.7 45 36 22555 100 51 -50.2 8.9 | 98 46 -45.4 6.2 46 30 23620 85 63 -62.8 -5.5 | 82 58 -57.9 -8.2 47 25 24384 85 65 -64.8 -5.7 | 82 60 -59.9 -8.3 48 16 26213 85 74 -73.7 -6.4 | 82 69 -68.9 -9.1 Wind Parameters Mean winds (0-6000m): 88.7 at 7.4 knts Storm direction: 118.7 at 5.5 knts Shear (0-3000m) pos: 1.6 neg: 0.6 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 117.6 deg Storm rel helicity (0-3000m) pos: 49.1 neg: -2.1 tot: 47.0 m^2/s^2 ave: 15.7 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: 0.03 Bulk Rich Number: 13.33 Bulk Shear: 7.48 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 52 12 25 11| 11.9 0.0 11.9| 30.7 0.0 30.7 61.4 0.85| 13.8 11.7 1000 59 13 34 11| 5.5 0.0 5.5| 39.0 0.0 39.0 39.0 0.80| 9.2 7.3 1500 67 12 41 10| 3.4 0.0 3.4| 44.6 0.0 44.6 29.7 0.75| 7.8 5.9 2000 76 11 49 8| 2.4 0.0 2.4| 49.0 0.0 49.0 24.5 0.75| 7.3 5.5 2500 82 11 54 7| 1.9 0.4 2.3| 49.1 -1.0 48.2 19.3 0.64| 6.4 4.1 3000 86 10 59 7| 1.6 0.6 2.2| 49.1 -2.1 47.0 15.7 0.57| 5.7 3.3 4000 94 10 67 5| 1.5 0.5 1.9| 65.4 -2.1 63.3 15.8 0.68| 6.2 4.2 5000 95 8 58 4| 0.7 0.5 1.2| 78.5 -2.5 76.1 15.2 0.68| 5.9 4.0 6000 89 7 42 4| 0.6 0.4 1.0| 79.1 -8.6 70.4 11.7 0.59| 5.3 3.2 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251206.00.gif