UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:0000Z 18 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 76 SFC 970 344 24.4 21.9 86 2.5 22.6 0 0 300.2 303.3 296.8 350.9 17.30 2 925 760 22.4 19.7 85 2.7 20.5 55 21 302.2 305.1 296.4 348.9 15.81 3 889 1105 19.4 17.8 90 1.6 18.3 64 26 302.6 305.2 295.7 345.7 14.58 4 871 1282 20.4 13.4 64 7.0 15.8 76 27 305.4 307.5 294.0 338.8 11.16 5 850 1493 19.6 11.6 60 8.0 14.4 95 22 306.7 308.6 293.6 337.3 10.15 6 813 1875 18.0 9.0 56 9.0 12.4 66 25 308.9 310.6 293.3 336.1 8.90 7 700 3140 10.4 7.4 82 3.0 8.5 75 23 314.0 315.8 295.0 342.8 9.27 8 677 3419 9.8 4.8 71 5.0 6.8 84 20 316.3 317.9 294.7 341.5 8.00 9 609 4292 3.6 3.2 97 0.4 3.4 72 12 318.9 320.5 295.3 344.2 7.94 10 576 4745 2.6 -1.5 74 4.1 0.4 128 3 322.9 324.0 294.8 342.3 5.96 11 508 5754 -3.3 -3.8 96 0.5 -3.6 48 13 327.5 328.7 295.8 346.4 5.70 12 500 5880 -3.9 -7.2 78 3.3 -5.5 40 7 328.3 329.2 295.1 343.2 4.46 13 422 7193 -11.5 -22.5 40 11.0 -15.0 310 15 334.9 335.2 294.4 340.2 1.49 14 417 7284 -12.3 -18.3 61 6.0 -14.4 310 17 335.0 335.4 295.0 342.7 2.17 15 414 7339 -12.5 -22.5 43 10.0 -15.6 310 18 335.4 335.7 294.6 340.9 1.52 16 408 7450 -12.9 -19.9 56 7.0 -15.3 310 19 336.3 336.7 295.1 343.2 1.93 17 403 7543 -13.3 -27.3 30 14.0 -17.1 310 21 337.0 337.2 294.5 340.7 1.01 18 400 7600 -13.7 -26.7 33 13.0 -17.3 310 22 337.2 337.4 294.6 341.1 1.08 19 392 7753 -14.9 -22.9 50 8.0 -17.3 310 23 337.6 337.9 295.1 343.2 1.55 20 382 7949 -15.9 -45.9 6 30.0 -20.6 310 24 338.8 338.8 294.1 339.4 0.16 21 365 8291 -18.7 -27.7 45 9.0 -21.0 308 23 339.5 339.7 295.1 343.5 1.08 22 349 8625 -20.1 -42.1 12 22.0 -23.7 291 20 341.9 342.0 295.0 343.0 0.27 23 327 9105 -23.3 -48.3 8 25.0 -26.5 288 15 344.0 344.0 295.4 344.6 0.15 24 325 9150 -23.5 -48.5 8 25.0 -26.6 290 14 344.3 344.3 295.5 344.9 0.14 25 300 9730 -28.7 -47.7 14 19.0 -30.8 280 8 344.9 345.0 295.7 345.6 0.17 26 250 11000 -40.3 -51.3 30 11.0 -41.1 165 8 346.2 346.2 295.9 346.7 0.14 27 218 11918 -48.3 -56.3 39 8.0 -48.6 183 13 347.6 347.6 296.2 348.0 0.09 28 204 12352 -51.7 -61.7 29 10.0 -52.0 160 22 348.9 348.9 296.4 349.1 0.05 29 200 12480 -52.7 -58.7 48 6.0 -52.9 160 25 349.3 349.3 296.5 349.6 0.07 30 189 12844 -56.1 -61.0 54 4.9 -56.2 154 27 349.5 349.5 296.6 349.8 0.05 31 184 13014 -56.9 -64.9 36 8.0 -57.1 148 28 350.9 350.9 296.8 351.1 0.03 32 175 13331 -59.7 -63.2 64 3.5 -59.7 148 31 351.4 351.4 297.0 351.6 0.04 33 167 13623 -61.9 -70.9 29 9.0 -62.0 153 33 352.5 352.5 297.2 352.5 0.02 34 150 14280 -67.3 -75.3 31 8.0 -67.4 145 35 354.2 354.2 297.5 354.2 0.01 35 146 14442 -68.7 -75.7 36 7.0 -68.8 145 37 354.5 354.5 297.6 354.5 0.01 36 101 16555 -84.1 -88.3 47 4.2 -84.1 357 16 364.2 364.2 299.5 364.2 0.00 37 100 16610 -84.3 -88.5 47 4.2 -84.3 360 17 364.9 364.9 299.6 364.9 0.00 38 86 17434 -90.1 -93.9 48 3.8 -90.1 20 11 369.2 369.2 300.4 369.2 0.00 39 84 17561 -90.3 -94.3 46 4.0 -90.3 23 11 371.3 371.3 300.8 371.3 0.00 40 81 17759 -84.5 -90.5 34 6.0 -84.5 43 14 387.1 387.1 303.3 387.1 0.00 41 78 17969 -83.7 -89.7 34 6.0 -83.7 84 22 393.0 393.0 304.2 393.0 0.00 42 75 18186 -84.5 -90.5 34 6.0 -84.5 85 24 395.7 395.7 304.6 395.7 0.00 43 74 18261 -83.3 -92.3 19 9.0 -83.3 85 25 399.8 399.8 305.2 399.8 0.00 44 73 18338 -78.1 -89.1 15 11.0 -78.1 92 21 412.3 412.3 306.8 412.3 0.00 45 72 18417 -76.5 -86.5 19 10.0 -76.6 101 17 417.3 417.3 307.4 417.4 0.00 46 70 18580 -76.1 -88.1 13 12.0 -76.2 120 7 421.6 421.6 307.9 421.6 0.00 47 67 18834 -74.1 -87.1 12 13.0 -74.2 92 14 431.2 431.2 309.0 431.2 0.00 48 55 19980 -75.3 -89.3 9 14.0 -75.4 113 9 453.5 453.5 311.2 453.5 0.00 49 53 20197 -71.9 -88.9 6 17.0 -72.0 141 13 466.2 466.2 312.3 466.2 0.00 50 50 20540 -71.7 -89.7 5 18.0 -71.8 110 34 474.5 474.5 313.0 474.5 0.00 51 48 20780 -71.3 -90.3 4 19.0 -71.4 110 35 481.1 481.1 313.5 481.1 0.00 52 46 21033 -66.5 -90.5 2 24.0 -66.8 109 36 498.5 498.5 314.8 498.5 0.00 53 35 22694 -63.1 -90.1 1 27.0 -63.7 73 47 547.9 547.9 318.0 547.9 0.00 54 30 23640 -62.9 -89.9 1 27.0 -63.6 85 54 573.2 573.2 319.3 573.2 0.00 55 27 24290 -62.3 -90.3 1 28.0 -63.1 90 55 592.4 592.4 320.3 592.4 0.00 56 25 24770 -57.5 -88.5 1 31.0 -58.9 92 55 619.4 619.4 321.5 619.4 0.01 57 22 25581 -55.9 -86.9 1 31.0 -57.8 95 56 647.2 647.2 322.6 647.2 0.01 TRP 86 17434 -90.1 -93.9 48 3.8 -90.1 20 11 369.2 369.2 300.4 369.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 546.03 mb = 5189.72 m = 17026.42 ft Wetbulb zero: 569.57 mb = 4835.27 m = 15863.55 ft Precipitable water: 1.92 inches Sfc-500 mean rel hum: 78.17 % Est. max temperature: 32.65 C = 90.78 F Sfc-Lift cond lev (LCL): 935.61 mb = 660.10 m = 2165.67 ft T: 22.88 C 700-500 lapse rate: 5.22 C/km ThetaE index: 14.82 C Layer 925.0- 700.0 mb Conv cond level (CCL): 793.58 mb = 2079.62 m = 6822.81 ft Mean mixing ratio: 15.31 g/kg Conv temperature: 33.91 C = 93.04 F Cap Strength: 2.51 C Lifted Index: -0.02 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.10 C Lifted Index @700 mb: 0.54 C Showalter Index: 4.05 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 15.50 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 190.20 Risk: None Energy Index: 1.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.22 J/kg Max Up Vert Vel: 6.96 m/s Conv Inhibition (B-): 143.19 J/kg Cap Strength: 2.52 C Lift Cond Lev (LCL): 883.27 mb = 1160.75 m = 3808.18 ft Lev Free Conv (LFC): 628.27 mb = 4034.95 m = 13237.86 ft Equ Level (EL): 578.27 mb = 4713.12 m = 15462.80 ft B at Equ Level: 21.25 J/kg Max Parcel Lev (MPL): 368.27 mb = 8223.84 m = 26980.77 ft Wind level data Storm motion: 101 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 ---------------------------------------------------------- 0 970 344 0 0 -0.0 -0.0 | 281 12 12.0 -2.3 1 941 610 55 15 -12.3 -8.6 | 1 11 -0.3 -10.9 2 925 760 55 21 -17.2 -12.0 | 20 15 -5.2 -14.4 3 909 914 55 23 -18.8 -13.2 | 24 17 -6.8 -15.5 4 877 1219 70 28 -26.3 -9.6 | 50 19 -14.3 -11.9 5 850 1493 95 22 -21.9 1.9 | 88 10 -9.9 -0.4 6 847 1524 95 22 -21.9 1.9 | 88 10 -9.9 -0.4 7 817 1829 65 25 -22.7 -10.6 | 39 17 -10.6 -12.9 8 788 2134 75 24 -23.2 -6.2 | 53 14 -11.2 -8.6 9 760 2438 90 25 -25.0 0.0 | 80 13 -13.0 -2.3 10 734 2743 70 28 -26.3 -9.6 | 50 19 -14.3 -11.9 11 708 3048 75 31 -29.9 -8.0 | 60 21 -17.9 -10.4 12 700 3140 75 23 -22.2 -6.0 | 51 13 -10.2 -8.3 13 682 3353 85 21 -20.9 -1.8 | 65 10 -8.9 -4.2 14 610 4267 70 12 -11.3 -4.1 | 353 6 0.7 -6.4 15 587 4572 140 1 -0.6 0.8 | 278 11 11.4 -1.6 16 505 5791 45 13 -9.2 -9.2 | 346 12 2.8 -11.5 17 500 5880 40 7 -4.5 -5.4 | 316 11 7.5 -7.7 18 486 6096 35 6 -3.4 -4.9 | 310 11 8.6 -7.3 19 449 6706 5 4 -0.3 -4.0 | 298 13 11.7 -6.3 20 432 7010 310 12 9.2 -7.7 | 295 23 21.2 -10.1 21 400 7600 310 22 16.9 -14.1 | 300 33 28.9 -16.5 22 383 7925 310 24 18.4 -15.4 | 300 35 30.4 -17.8 23 367 8230 310 23 17.6 -14.8 | 300 34 29.6 -17.1 24 338 8839 280 18 17.7 -3.1 | 280 30 29.7 -5.5 25 312 9449 300 10 8.7 -5.0 | 290 22 20.7 -7.3 26 300 9730 280 8 7.9 -1.4 | 281 20 19.9 -3.7 27 274 10363 255 10 9.7 2.6 | 269 22 21.7 0.2 28 262 10668 210 6 3.0 5.2 | 259 15 15.0 2.9 29 250 11000 165 8 -2.1 7.7 | 242 11 9.9 5.4 30 240 11278 160 11 -3.8 10.3 | 226 11 8.3 8.0 31 229 11582 185 12 1.0 12.0 | 234 16 13.1 9.6 32 219 11887 185 13 1.1 13.0 | 231 17 13.2 10.6 33 209 12192 160 18 -6.2 16.9 | 202 16 5.9 14.6 34 200 12480 160 25 -8.6 23.5 | 189 21 3.5 21.2 35 199 12497 165 24 -6.2 23.2 | 196 22 5.8 20.8 36 181 13106 145 29 -16.6 23.8 | 168 22 -4.6 21.4 37 156 14021 160 37 -12.7 34.8 | 179 32 -0.6 32.4 38 150 14280 145 35 -20.1 28.7 | 163 28 -8.1 26.3 39 141 14630 145 39 -22.4 31.9 | 161 31 -10.3 29.6 40 127 15240 125 10 -8.2 5.7 | 228 5 3.8 3.4 41 120 15545 55 3 -2.5 -1.7 | 293 10 9.6 -4.1 42 114 15850 320 10 6.4 -7.7 | 298 21 18.4 -10.0 43 100 16610 360 17 -0.0 -17.0 | 328 23 12.0 -19.3 44 97 16764 360 17 -0.0 -17.0 | 328 23 12.0 -19.3 45 86 17434 20 11 -3.8 -10.3 | 327 15 8.3 -12.7 46 82 17678 25 11 -4.6 -10.0 | 329 14 7.4 -12.3 47 78 17983 85 22 -21.9 -1.9 | 67 11 -9.9 -4.3 48 74 18288 85 25 -24.9 -2.2 | 71 14 -12.9 -4.5 49 70 18580 120 7 -6.1 3.5 | 259 6 6.0 1.2 50 66 18898 85 16 -15.9 -1.4 | 46 5 -3.9 -3.7 51 63 19202 275 11 11.0 -1.0 | 278 23 23.0 -3.3 52 60 19507 355 1 0.1 -1.0 | 285 13 12.1 -3.3 53 54 20117 145 11 -6.3 9.0 | 221 9 5.7 6.7 54 51 20422 130 20 -15.3 12.9 | 163 11 -3.3 10.5 55 50 20540 110 34 -31.9 11.6 | 115 22 -19.9 9.3 56 46 21031 110 36 -33.8 12.3 | 115 24 -21.8 10.0 57 44 21336 80 37 -36.4 -6.4 | 70 26 -24.4 -8.8 58 38 22250 95 43 -42.8 3.7 | 93 31 -30.8 1.4 59 34 22860 65 49 -44.4 -20.7 | 55 40 -32.4 -23.0 60 30 23640 85 54 -53.8 -4.7 | 80 42 -41.8 -7.0 61 27 24079 90 55 -55.0 0.0 | 87 43 -43.0 -2.3 62 15 26518 105 58 -56.0 15.0 | 106 46 -44.0 12.7 Wind Parameters Mean winds (0-6000m): 71.0 at 16.3 knts Storm direction: 101.0 at 12.2 knts Shear (0-3000m) pos: 4.0 neg: 2.4 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 143.2 deg Storm rel helicity (0-3000m) pos: 200.3 neg: -77.2 tot: 123.1 m^2/s^2 ave: 41.0 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 15.8 stream: 5.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 6.68 Bulk Shear: 3.63 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 55 13 352 10| 22.7 0.0 22.7| 69.0 0.0 69.0 137.9 0.91| 24.6 22.4 1000 62 19 23 12| 13.0 0.0 13.0|126.4 0.0 126.4 126.4 0.90| 19.8 17.8 1500 69 21 37 12| 8.7 2.4 11.0|139.3 -33.4 105.9 70.6 0.51| 19.2 9.9 2000 71 22 42 13| 7.0 1.8 8.8|168.6 -33.4 135.2 67.6 0.57| 16.6 9.4 2500 73 23 47 13| 5.6 2.8 8.4|180.7 -66.4 114.3 45.7 0.41| 15.9 6.5 3000 73 23 49 14| 4.0 2.4 6.4|200.3 -77.2 123.1 41.0 0.37| 15.8 5.8 4000 75 21 47 12| 2.6 2.1 4.7|200.3 -99.0 101.3 25.3 0.20| 13.7 2.7 5000 75 18 38 9| 1.9 1.9 3.9|208.1-104.7 103.4 20.7 0.18| 12.7 2.3 6000 71 16 24 8| 1.6 1.9 3.6|214.0-127.5 86.5 14.4 0.12| 11.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251218.00.gif