UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 30 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 119 SFC 974 344 24.2 21.3 84 2.9 22.1 350 6 299.6 302.6 296.2 348.1 16.59 2 925 799 20.2 19.6 96 0.6 19.8 60 16 300.0 302.8 295.7 345.9 15.71 3 919 855 19.6 19.4 99 0.2 19.5 60 16 299.9 302.8 295.6 345.6 15.61 4 862 1406 17.0 16.4 96 0.6 16.6 70 23 302.7 305.3 295.1 343.4 13.74 5 850 1526 17.4 15.5 89 1.9 16.1 70 23 304.4 306.8 295.1 343.6 13.14 6 832 1710 17.6 11.6 68 6.0 13.7 71 23 306.5 308.4 293.7 337.7 10.37 7 826 1772 17.6 9.6 59 8.0 12.6 72 23 307.1 308.8 293.0 334.7 9.12 8 785 2206 14.2 12.1 87 2.1 12.9 75 23 307.9 310.1 294.9 342.4 11.38 9 723 2899 11.0 8.5 85 2.5 9.5 85 23 311.8 313.6 294.7 341.6 9.68 10 700 3169 10.0 2.0 57 8.0 5.5 75 27 313.6 314.8 292.6 333.4 6.33 11 697 3205 9.8 0.8 53 9.0 4.9 75 27 313.7 314.8 292.3 332.0 5.83 12 624 4115 4.6 0.6 75 4.0 2.4 82 24 317.9 319.1 293.9 338.3 6.42 13 591 4557 2.2 -1.7 75 3.9 0.1 81 17 320.0 321.2 294.0 338.5 5.72 14 586 4625 2.4 -6.6 51 9.0 -1.9 84 16 321.1 321.8 292.8 334.1 3.98 15 568 4877 0.6 -10.4 43 11.0 -4.2 113 16 321.8 322.4 292.2 332.0 3.05 16 533 5385 -2.7 -5.4 82 2.7 -4.0 109 13 323.8 324.7 294.2 339.6 4.80 17 517 5626 -3.7 -8.2 71 4.5 -5.8 108 10 325.4 326.2 294.0 338.7 3.99 18 514 5672 -3.5 -11.5 54 8.0 -6.9 106 10 326.2 326.8 293.4 336.6 3.09 19 500 5890 -5.3 -9.1 75 3.8 -7.0 95 10 326.6 327.3 294.2 339.5 3.84 20 491 6033 -6.7 -9.7 79 3.0 -8.0 92 10 326.6 327.3 294.1 339.1 3.73 21 470 6375 -8.5 -13.1 69 4.6 -10.4 81 14 328.4 329.0 294.0 338.6 2.97 22 444 6815 -11.9 -14.8 79 2.9 -13.0 52 12 329.5 330.1 294.0 338.9 2.73 23 400 7610 -16.9 -17.4 96 0.5 -17.1 355 6 333.0 333.5 294.7 341.6 2.44 24 394 7723 -17.7 -17.7 100 0.0 -17.7 357 9 333.4 333.9 294.8 341.9 2.42 25 344 8725 -23.7 -26.7 76 3.0 -24.4 260 4 338.5 338.7 295.1 343.1 1.25 26 300 9710 -30.9 -33.3 79 2.4 -31.3 215 16 341.8 342.0 295.4 344.8 0.77 27 292 9900 -31.9 -33.6 85 1.7 -32.2 215 20 343.1 343.2 295.7 346.0 0.77 28 265 10573 -37.7 -38.9 88 1.2 -37.8 193 28 344.2 344.3 295.8 346.2 0.50 29 254 10862 -39.7 -44.3 61 4.6 -40.1 180 31 345.5 345.5 295.9 346.7 0.29 30 250 10970 -40.7 -45.3 61 4.6 -41.1 175 32 345.6 345.6 295.9 346.6 0.27 31 229 11561 -45.5 -49.0 68 3.5 -45.7 185 32 347.0 347.1 296.1 347.8 0.19 32 218 11887 -47.9 -52.9 56 5.0 -48.1 190 35 348.2 348.3 296.4 348.8 0.13 33 204 12322 -51.1 -55.2 62 4.1 -51.2 198 38 349.9 349.9 296.7 350.3 0.10 34 200 12450 -52.1 -59.1 43 7.0 -52.3 200 39 350.3 350.3 296.7 350.5 0.07 35 185 12953 -55.5 -66.5 24 11.0 -55.7 196 39 352.7 352.7 297.3 352.8 0.03 36 164 13712 -62.1 -69.1 39 7.0 -62.2 208 20 353.9 354.0 297.5 354.0 0.02 37 151 14220 -66.3 -74.3 32 8.0 -66.4 302 8 355.2 355.2 297.7 355.2 0.01 38 150 14260 -66.7 -75.7 27 9.0 -66.8 320 7 355.2 355.2 297.7 355.2 0.01 39 147 14382 -67.5 -77.5 23 10.0 -67.5 303 7 355.9 355.9 297.9 355.9 0.01 40 104 16382 -83.1 -87.5 46 4.4 -83.1 127 15 363.1 363.1 299.3 363.1 0.00 41 100 16600 -83.3 -87.9 44 4.6 -83.3 55 9 366.8 366.8 300.0 366.8 0.00 42 93 17002 -86.3 -90.3 48 4.0 -86.3 15 12 368.6 368.6 300.3 368.6 0.00 43 76 18133 -78.3 -88.3 18 10.0 -78.3 85 24 407.2 407.2 306.2 407.2 0.00 44 71 18520 -81.1 -90.1 20 9.0 -81.1 81 13 409.2 409.2 306.4 409.2 0.00 45 70 18600 -80.3 -89.3 21 9.0 -80.3 75 9 412.6 412.6 306.8 412.6 0.00 46 68 18764 -78.9 -89.9 15 11.0 -78.9 67 11 419.0 419.0 307.6 419.1 0.00 47 67 18849 -73.7 -86.7 12 13.0 -73.7 62 12 432.1 432.1 309.0 432.1 0.00 48 56 19882 -77.3 -88.3 16 11.0 -77.3 210 10 446.6 446.6 310.6 446.6 0.00 49 54 20092 -74.1 -87.1 12 13.0 -74.2 196 11 458.7 458.7 311.7 458.7 0.00 50 50 20540 -73.1 -88.1 8 15.0 -73.2 100 32 471.2 471.2 312.7 471.2 0.00 51 44 21295 -70.1 -87.1 7 17.0 -70.3 97 43 496.1 496.1 314.7 496.1 0.00 52 38 22179 -64.1 -85.1 4 21.0 -64.6 82 57 532.6 532.6 317.1 532.7 0.01 53 30 23640 -60.3 -83.3 3 23.0 -61.2 80 63 580.3 580.3 319.7 580.3 0.01 54 27 24305 -56.5 -81.5 3 25.0 -57.9 80 60 608.7 608.7 321.0 608.8 0.02 55 25 24792 -58.5 -82.8 3 24.3 -59.7 95 70 616.6 616.6 321.3 616.7 0.02 56 24 25049 -59.5 -83.5 3 24.0 -60.7 95 70 620.8 620.8 321.5 620.9 0.02 57 20 26220 -49.3 -78.3 2 29.0 -52.9 110 20 685.3 685.3 324.0 685.6 0.04 58 19 26556 -49.1 -78.1 2 29.0 -52.9 110 20 696.0 696.0 324.3 696.4 0.05 59 18 26911 -49.5 -78.5 2 29.0 -53.4 110 19 705.6 705.6 324.6 706.0 0.05 TRP 93 17002 -86.3 -90.3 48 4.0 -86.3 15 12 368.6 368.6 300.3 368.6 0.00 WND 25 24792 -58.5 -82.8 3 24.3 -59.7 95 70 616.6 616.6 321.3 616.7 0.02 Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 561.64 mb = 4969.09 m = 16302.59 ft Wetbulb zero: 590.67 mb = 4561.08 m = 14964.00 ft Precipitable water: 1.94 inches Sfc-500 mean rel hum: 74.92 % Est. max temperature: 31.67 C = 89.01 F Sfc-Lift cond lev (LCL): 933.96 mb = 714.04 m = 2342.62 ft T: 20.95 C 700-500 lapse rate: 5.62 C/km ThetaE index: 10.33 C Layer 723.0- 624.0 mb Conv cond level (CCL): 909.20 mb = 947.45 m = 3108.39 ft Mean mixing ratio: 15.53 g/kg Conv temperature: 24.98 C = 76.96 F Cap Strength: 1.94 C Lifted Index: -0.87 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.28 C Lifted Index @700 mb: 0.55 C Showalter Index: 0.07 C Risk: Thunderstorms probable Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.80 C K Index: 30.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 242.00 Risk: None Energy Index: -0.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 244.51 J/kg Max Up Vert Vel: 22.11 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.76 C Lift Cond Lev (LCL): 909.76 mb = 942.22 m = 3091.24 ft Lev Free Conv (LFC): 904.76 mb = 989.61 m = 3246.72 ft Equ Level (EL): 854.76 mb = 1478.21 m = 4849.70 ft B at Equ Level: 11.16 J/kg Max Parcel Lev (MPL): 824.76 mb = 1784.44 m = 5854.40 ft Wind level data Storm motion: 109 at 15 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 ---------------------------------------------------------- 0 974 344 350 6 1.0 -5.9 | 306 18 14.9 -10.8 1 945 610 50 16 -12.3 -10.3 | 354 15 1.6 -15.2 2 925 799 60 16 -13.9 -8.0 | 0 13 -0.0 -12.9 3 913 914 60 17 -14.7 -8.5 | 4 13 -0.9 -13.4 4 881 1219 70 22 -20.7 -7.5 | 29 14 -6.8 -12.4 5 850 1526 70 23 -21.6 -7.9 | 31 15 -7.8 -12.8 6 791 2134 75 22 -21.3 -5.7 | 35 13 -7.4 -10.6 7 763 2438 75 27 -26.1 -7.0 | 46 17 -12.2 -11.9 8 736 2743 90 20 -20.0 0.0 | 52 8 -6.2 -4.9 9 700 3169 75 27 -26.1 -7.0 | 46 17 -12.2 -11.9 10 659 3658 75 30 -29.0 -7.8 | 50 20 -15.1 -12.7 11 635 3962 75 23 -22.2 -6.0 | 38 14 -8.4 -10.9 12 611 4267 90 25 -25.0 0.0 | 66 12 -11.2 -4.9 13 589 4572 80 16 -15.8 -2.8 | 14 8 -1.9 -7.7 14 567 4877 115 16 -14.5 6.8 | 160 2 -0.7 1.9 15 546 5182 100 17 -16.7 3.0 | 56 3 -2.9 -1.9 16 526 5486 115 10 -9.1 4.2 | 278 5 4.8 -0.7 17 500 5890 95 10 -10.0 0.9 | 316 6 3.9 -4.0 18 487 6096 90 10 -10.0 0.0 | 322 6 3.8 -4.9 19 468 6401 80 15 -14.8 -2.6 | 7 8 -0.9 -7.5 20 400 7610 355 6 0.5 -6.0 | 307 18 14.4 -10.9 21 399 7620 5 10 -0.9 -10.0 | 319 20 13.0 -14.9 22 367 8230 315 6 4.2 -4.2 | 297 20 18.1 -9.1 23 338 8839 245 4 3.6 1.7 | 280 18 17.5 -3.2 24 311 9449 215 11 6.3 9.0 | 258 21 20.1 4.1 25 300 9710 215 16 9.2 13.1 | 250 24 23.0 8.2 26 285 10058 215 24 13.8 19.7 | 242 31 27.6 14.8 27 250 10970 175 32 -2.8 31.9 | 202 29 11.0 27.0 28 250 10973 175 28 -2.4 27.9 | 206 26 11.4 23.0 29 200 12450 200 39 13.3 36.6 | 221 42 27.2 31.7 30 199 12497 200 41 14.0 38.5 | 220 44 27.9 33.6 31 180 13106 195 38 9.8 36.7 | 217 40 23.7 31.8 32 156 14021 215 10 5.7 8.2 | 260 20 19.6 3.3 33 150 14260 320 7 4.5 -5.4 | 299 21 18.3 -10.3 34 148 14326 295 6 5.4 -2.5 | 291 21 19.3 -7.4 35 141 14630 345 11 2.8 -10.6 | 313 23 16.7 -15.5 36 133 14935 10 19 -3.3 -18.7 | 336 26 10.5 -23.6 37 127 15240 10 21 -3.6 -20.7 | 338 28 10.2 -25.6 38 114 15850 10 10 -1.7 -9.8 | 321 19 12.1 -14.7 39 108 16154 120 10 -8.7 5.0 | 269 5 5.2 0.1 40 102 16459 130 17 -13.0 10.9 | 188 6 0.8 6.0 41 100 16600 55 9 -7.4 -5.2 | 327 12 6.5 -10.1 42 97 16764 70 9 -8.5 -3.1 | 326 10 5.4 -8.0 43 93 17002 15 12 -3.1 -11.6 | 327 20 10.7 -16.5 44 92 17069 20 12 -4.1 -11.3 | 329 19 9.7 -16.2 45 87 17374 20 13 -4.4 -12.2 | 331 20 9.4 -17.1 46 82 17678 55 25 -20.5 -14.3 | 19 20 -6.6 -19.2 47 78 17983 70 26 -24.4 -8.9 | 38 17 -10.6 -13.8 48 74 18288 100 23 -22.7 4.0 | 84 9 -8.8 -0.9 49 70 18600 75 9 -8.7 -2.3 | 325 9 5.1 -7.2 50 66 18898 60 12 -10.4 -6.0 | 342 11 3.4 -10.9 51 60 19507 15 2 -0.5 -1.9 | 297 15 13.3 -6.8 52 57 19812 215 10 5.7 8.2 | 260 20 19.6 3.3 53 54 20117 195 11 2.8 10.6 | 251 18 16.7 5.7 54 51 20422 90 14 -14.0 0.0 | 2 5 -0.2 -4.9 55 50 20540 100 32 -31.5 5.6 | 92 18 -17.7 0.7 56 46 21031 105 36 -34.8 9.3 | 102 21 -20.9 4.4 57 40 21946 80 57 -56.1 -9.9 | 71 45 -42.3 -14.8 58 36 22555 85 56 -55.8 -4.9 | 77 43 -41.9 -9.8 59 32 23165 85 61 -60.8 -5.3 | 78 48 -46.9 -10.2 60 30 23640 80 63 -62.0 -10.9 | 72 51 -48.2 -15.8 61 27 24384 80 60 -59.1 -10.4 | 71 48 -45.3 -15.3 62 25 24792 95 70 -69.7 6.1 | 91 56 -55.9 1.2 63 23 25298 95 70 -69.7 6.1 | 91 56 -55.9 1.2 64 21 25908 95 45 -44.8 3.9 | 88 31 -31.0 -1.0 65 20 26213 100 50 -49.2 8.7 | 96 36 -35.4 3.8 66 20 26220 110 20 -18.8 6.8 | 111 5 -5.0 1.9 67 17 26822 110 19 -17.9 6.5 | 112 4 -4.0 1.6 68 16 27127 120 22 -19.1 11.0 | 139 8 -5.2 6.1 Wind Parameters Mean winds (0-6000m): 79.5 at 19.6 knts Storm direction: 109.5 at 14.7 knts Shear (0-3000m) pos: 4.0 neg: 1.4 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 101.5 deg Storm rel helicity (0-3000m) pos: 120.4 neg: -4.3 tot: 116.1 m^2/s^2 ave: 38.7 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 4.8 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 15.52 Bulk Shear: 15.76 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 47 13 344 15| 15.9 0.0 15.9| 73.7 0.0 73.7 147.3 0.91| 18.6 17.0 1000 59 17 2 13| 11.4 0.0 11.4| 98.2 0.0 98.2 98.2 0.93| 12.9 12.0 1500 64 19 13 13| 7.7 0.0 7.7|101.5 0.0 101.5 67.7 0.90| 9.2 8.3 2000 67 20 19 13| 6.6 0.0 6.6|110.5 0.0 110.5 55.3 0.86| 8.0 6.8 2500 70 20 25 13| 4.8 0.0 4.8|118.8 -0.1 118.7 47.5 0.66| 9.0 5.9 3000 72 21 29 13| 4.0 1.4 5.3|120.4 -4.3 116.1 38.7 0.54| 8.9 4.8 4000 74 23 35 14| 2.9 0.8 3.7|143.7 -23.1 120.6 30.2 0.43| 8.8 3.8 5000 78 21 37 12| 2.2 0.7 2.9|146.7 -39.3 107.4 21.5 0.25| 9.4 2.3 6000 79 20 33 10| 1.8 1.1 3.0|158.5 -39.9 118.6 19.8 0.28| 8.9 2.5 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251230.12.gif