UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 27 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 111 SFC 974 344 24.8 21.3 81 3.5 22.3 360 2 300.2 303.2 296.4 348.8 16.59 2 925 792 20.6 18.8 89 1.8 19.4 60 10 300.4 303.1 295.3 344.1 14.93 3 902 1010 18.6 18.3 98 0.3 18.4 62 15 300.5 303.2 295.3 344.0 14.83 4 870 1320 17.0 17.0 100 0.0 17.0 77 20 301.9 304.5 295.2 343.7 14.15 5 855 1469 16.2 14.4 89 1.8 15.0 94 24 302.6 304.8 294.0 338.6 12.15 6 850 1519 16.4 14.3 87 2.1 15.0 100 25 303.3 305.6 294.1 339.4 12.15 7 834 1681 17.2 12.2 72 5.0 14.0 96 25 305.8 307.8 293.9 338.2 10.77 8 819 1837 16.6 9.6 63 7.0 12.2 98 24 306.8 308.5 292.9 334.6 9.20 9 726 2855 10.4 8.6 89 1.8 9.3 113 20 310.7 312.6 294.4 340.5 9.71 10 700 3159 10.2 5.8 74 4.4 7.5 115 19 313.8 315.4 294.2 339.6 8.29 11 680 3400 9.4 -3.6 40 13.0 2.8 122 18 315.5 316.3 291.5 329.3 4.31 12 652 3747 7.0 2.2 71 4.8 4.3 133 15 316.6 317.9 293.9 338.4 6.90 13 549 5141 -1.3 -13.3 40 12.0 -6.1 136 15 322.7 323.2 292.0 331.1 2.50 14 506 5787 -6.1 -8.9 81 2.8 -7.4 159 12 324.5 325.3 293.6 337.3 3.86 15 500 5880 -6.3 -13.3 58 7.0 -9.1 180 6 325.4 325.9 293.0 334.6 2.74 16 487 6086 -6.5 -32.5 11 26.0 -12.8 246 1 327.6 327.7 291.6 329.5 0.51 17 463 6480 -9.3 -31.3 15 22.0 -14.6 299 7 328.9 329.0 292.0 331.1 0.60 18 445 6786 -10.7 -19.7 48 9.0 -13.7 329 12 330.8 331.2 293.6 337.2 1.80 19 426 7121 -12.3 -29.3 23 17.0 -16.6 325 16 333.0 333.1 293.3 335.9 0.79 20 415 7321 -13.3 -33.3 17 20.0 -17.8 323 19 334.2 334.3 293.4 336.3 0.56 21 400 7600 -15.5 -34.5 18 19.0 -19.5 320 22 334.8 334.9 293.5 336.8 0.51 22 381 7963 -18.7 -35.7 21 17.0 -22.0 304 18 335.3 335.4 293.6 337.1 0.48 23 356 8464 -22.1 -28.1 58 6.0 -23.5 186 4 337.3 337.5 294.6 341.2 1.06 24 353 8526 -22.7 -28.7 58 6.0 -24.1 156 3 337.3 337.5 294.6 341.1 1.01 25 333 8951 -24.1 -52.1 6 28.0 -27.1 164 7 341.1 341.1 294.7 341.5 0.09 26 330 9016 -24.5 -51.5 6 27.0 -27.5 167 8 341.4 341.4 294.8 341.8 0.10 27 300 9700 -30.3 -55.3 7 25.0 -32.3 200 16 342.7 342.7 295.0 343.0 0.07 28 296 9796 -30.9 -54.9 8 24.0 -32.9 201 15 343.1 343.2 295.1 343.5 0.07 29 250 10970 -41.5 -60.5 11 19.0 -42.3 225 25 344.4 344.4 295.4 344.6 0.04 30 229 11559 -46.7 -61.7 17 15.0 -47.2 229 26 345.2 345.2 295.6 345.4 0.04 31 200 12440 -55.3 -61.3 47 6.0 -55.4 225 31 345.2 345.2 295.6 345.4 0.05 32 196 12568 -56.5 -61.4 54 4.9 -56.6 223 30 345.3 345.3 295.6 345.5 0.05 33 170 13458 -62.5 -74.5 18 12.0 -62.6 256 22 349.7 349.7 296.5 349.7 0.01 34 157 13944 -66.3 -73.3 37 7.0 -66.4 272 23 351.3 351.3 296.9 351.3 0.01 35 150 14220 -66.5 -78.5 17 12.0 -66.6 305 27 355.5 355.5 297.8 355.6 0.01 36 134 14895 -71.5 -80.5 25 9.0 -71.5 333 36 358.3 358.3 298.4 358.3 0.00 37 126 15259 -71.1 -86.1 9 15.0 -71.2 345 20 365.4 365.4 299.7 365.4 0.00 38 101 16543 -78.9 -89.9 15 11.0 -78.9 284 4 374.2 374.2 301.3 374.2 0.00 39 100 16600 -78.9 -89.9 15 11.0 -78.9 340 6 375.3 375.3 301.5 375.3 0.00 40 80 17842 -86.9 -93.9 27 7.0 -86.9 70 12 383.5 383.5 302.8 383.5 0.00 41 78 17983 -78.1 -90.1 13 12.0 -78.1 70 12 404.6 404.6 305.8 404.6 0.00 42 73 18360 -79.1 -91.1 12 12.0 -79.1 24 13 410.2 410.2 306.5 410.2 0.00 43 70 18600 -77.1 -90.1 11 13.0 -77.1 300 21 419.4 419.4 307.6 419.4 0.00 44 59 19588 -75.1 -90.1 8 15.0 -75.2 328 8 444.9 445.0 310.4 445.0 0.00 45 57 19790 -71.7 -90.7 4 19.0 -71.8 358 1 457.1 457.1 311.5 457.1 0.00 46 50 20560 -73.7 -90.7 6 17.0 -73.8 130 24 469.8 469.8 312.6 469.8 0.00 47 42 21592 -68.7 -91.7 2 23.0 -68.9 99 46 506.2 506.2 315.4 506.2 0.00 48 40 21883 -70.3 -91.3 3 21.0 -70.5 83 56 509.3 509.3 315.6 509.3 0.00 49 30 23630 -61.5 -91.5 1 30.0 -62.3 75 68 577.0 577.0 319.5 577.0 0.00 50 27 24288 -58.5 -89.7 1 31.2 -59.7 80 73 603.1 603.1 320.7 603.1 0.00 51 23 25307 -53.9 -86.9 1 33.0 -56.1 86 70 644.9 644.9 322.5 645.0 0.01 52 21 25890 -54.3 -87.3 1 33.0 -56.6 95 65 660.7 660.7 323.1 660.7 0.01 TRP 80 17842 -86.9 -93.9 27 7.0 -86.9 70 12 383.5 383.5 302.8 383.5 0.00 WND 27 24288 -58.5 -89.7 1 31.2 -59.7 80 73 603.1 603.1 320.7 603.1 0.00 Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 565.13 mb = 4922.95 m = 16151.21 ft Wetbulb zero: 609.73 mb = 4290.75 m = 14077.10 ft Precipitable water: 1.72 inches Sfc-500 mean rel hum: 69.92 % Est. max temperature: 31.01 C = 87.81 F Sfc-Lift cond lev (LCL): 925.71 mb = 785.30 m = 2576.40 ft T: 20.66 C 700-500 lapse rate: 6.06 C/km ThetaE index: 11.24 C Layer 700.0- 652.0 mb Conv cond level (CCL): 903.44 mb = 995.96 m = 3267.54 ft Mean mixing ratio: 15.20 g/kg Conv temperature: 25.07 C = 77.13 F Cap Strength: 1.40 C Lifted Index: -1.57 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.73 C Lifted Index @700 mb: 0.98 C Showalter Index: 0.77 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.60 C K Index: 32.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 227.60 Risk: None Energy Index: -0.91 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 119.69 J/kg Max Up Vert Vel: 15.47 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.40 C Lift Cond Lev (LCL): 902.63 mb = 1003.65 m = 3292.77 ft Lev Free Conv (LFC): 897.63 mb = 1051.41 m = 3449.48 ft Equ Level (EL): 847.63 mb = 1542.82 m = 5061.69 ft B at Equ Level: 9.89 J/kg Max Parcel Lev (MPL): 817.63 mb = 1850.66 m = 6071.65 ft Wind level data Storm motion: 148 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 ---------------------------------------------------------- 0 974 344 360 2 -0.0 -2.0 | 333 14 6.2 -12.0 1 945 610 60 7 -6.1 -3.5 | 359 14 0.2 -13.5 2 925 792 60 10 -8.7 -5.0 | 9 15 -2.4 -15.0 3 912 914 60 14 -12.1 -7.0 | 19 18 -5.9 -17.0 4 880 1219 65 17 -15.4 -7.2 | 28 19 -9.2 -17.2 5 850 1519 100 25 -24.6 4.3 | 73 19 -18.4 -5.7 6 849 1524 95 26 -25.9 2.3 | 69 21 -19.7 -7.7 7 790 2134 100 23 -22.7 4.0 | 70 17 -16.4 -6.0 8 762 2438 120 19 -16.5 9.5 | 87 10 -10.2 -0.5 9 709 3048 110 21 -19.7 7.2 | 78 14 -13.5 -2.8 10 700 3159 115 19 -17.2 8.0 | 80 11 -11.0 -2.0 11 610 4267 150 12 -6.0 10.4 | 210 0 0.2 0.4 12 588 4572 170 15 -2.6 14.8 | 217 6 3.6 4.8 13 566 4877 160 17 -5.8 16.0 | 184 6 0.4 6.0 14 545 5182 130 15 -11.5 9.6 | 86 5 -5.3 -0.4 15 525 5486 140 20 -12.9 15.3 | 129 8 -6.6 5.3 16 506 5791 160 12 -4.1 11.3 | 239 2 2.1 1.3 17 500 5880 180 6 0.0 6.0 | 303 7 6.2 -4.0 18 486 6096 250 1 0.9 0.3 | 323 12 7.2 -9.7 19 449 6706 330 11 5.5 -9.5 | 329 23 11.7 -19.5 20 400 7600 320 22 14.1 -16.9 | 323 34 20.4 -26.9 21 399 7620 315 26 18.4 -18.4 | 319 38 24.6 -28.4 22 367 8230 295 11 10.0 -4.6 | 312 22 16.2 -14.7 23 352 8534 145 2 -1.1 1.6 | 329 10 5.1 -8.4 24 300 9700 200 16 5.5 15.0 | 247 13 11.7 5.0 25 298 9754 200 15 5.1 14.1 | 250 12 11.4 4.1 26 261 10668 215 26 14.9 21.3 | 242 24 21.1 11.3 27 250 10970 225 25 17.7 17.7 | 252 25 23.9 7.7 28 239 11278 230 25 19.2 16.1 | 257 26 25.4 6.1 29 200 12440 225 31 21.9 21.9 | 247 31 28.1 11.9 30 189 12802 220 29 18.6 22.2 | 244 28 24.9 12.2 31 171 13411 255 22 21.3 5.7 | 279 28 27.5 -4.3 32 155 14021 275 23 22.9 -2.0 | 292 32 29.1 -12.0 33 150 14220 305 27 22.1 -15.5 | 312 38 28.3 -25.5 34 140 14630 325 32 18.4 -26.2 | 326 44 24.6 -36.2 35 133 14935 335 37 15.6 -33.5 | 333 49 21.9 -43.5 36 120 15545 355 4 0.3 -4.0 | 335 15 6.6 -14.0 37 102 16459 205 2 0.8 1.8 | 319 11 7.1 -8.2 38 100 16600 340 6 2.1 -5.6 | 332 18 8.3 -15.6 39 97 16764 340 6 2.1 -5.6 | 332 18 8.3 -15.6 40 92 17069 300 11 9.5 -5.5 | 315 22 15.8 -15.5 41 80 17842 70 12 -11.3 -4.1 | 20 15 -5.0 -14.1 42 78 17983 70 12 -11.3 -4.1 | 20 15 -5.0 -14.1 43 74 18288 50 10 -7.7 -6.4 | 5 16 -1.4 -16.4 44 70 18600 300 21 18.2 -10.5 | 310 32 24.4 -20.5 45 67 18898 300 21 18.2 -10.5 | 310 32 24.4 -20.5 46 63 19202 330 4 2.0 -3.5 | 329 16 8.2 -13.5 47 60 19507 315 11 7.8 -7.8 | 322 23 14.0 -17.8 48 57 19812 0 0 -0.0 -0.0 | 328 12 6.2 -10.0 49 54 20117 170 20 -3.5 19.7 | 196 10 2.8 9.7 50 50 20560 130 24 -18.4 15.4 | 114 13 -12.2 5.4 51 49 20726 135 20 -14.1 14.1 | 118 9 -7.9 4.1 52 46 21031 105 32 -30.9 8.3 | 86 25 -24.7 -1.7 53 44 21336 115 37 -33.5 15.6 | 102 28 -27.3 5.6 54 40 21946 80 57 -56.1 -9.9 | 68 54 -49.9 -19.9 55 38 22250 85 62 -61.8 -5.4 | 74 58 -55.5 -15.4 56 30 23630 75 68 -65.7 -17.6 | 65 66 -59.5 -27.6 57 29 23774 70 66 -62.0 -22.6 | 60 65 -55.8 -32.6 58 27 24288 80 73 -71.9 -12.7 | 71 69 -65.7 -22.7 59 24 24689 80 73 -71.9 -12.7 | 71 69 -65.7 -22.7 60 21 25298 95 65 -64.8 5.7 | 86 59 -58.5 -4.3 61 18 25908 85 70 -69.7 -6.1 | 76 66 -63.5 -16.1 Wind Parameters Mean winds (0-6000m): 118.1 at 15.7 knts Storm direction: 148.1 at 11.8 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 112.0 deg Storm rel helicity (0-3000m) pos: 152.5 neg: -5.9 tot: 146.6 m^2/s^2 ave: 48.9 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 5.6 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 4.67 Bulk Shear: 25.63 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 56 7 357 14| 11.2 0.0 11.2| 39.2 0.0 39.2 78.4 0.90| 11.8 10.6 1000 63 11 14 16| 10.3 0.0 10.3| 90.3 0.0 90.3 90.3 0.91| 11.7 10.6 1500 80 16 36 16| 8.5 0.0 8.5|133.1 0.0 133.1 88.7 0.87| 11.3 9.9 2000 87 17 46 16| 5.4 0.0 5.4|145.8 0.0 145.8 72.9 0.79| 10.5 8.3 2500 94 18 53 15| 4.3 0.0 4.4|149.1 -3.6 145.5 58.2 0.70| 9.4 6.6 3000 98 18 57 14| 3.2 0.0 3.3|152.5 -5.9 146.6 48.9 0.63| 8.9 5.6 4000 105 17 63 12| 1.9 0.0 1.9|156.2 -5.9 150.3 37.6 0.58| 8.1 4.7 5000 114 17 72 10| 1.9 0.8 2.7|159.4 -19.5 140.0 28.0 0.35| 8.3 2.9 6000 118 16 71 8| 1.1 0.7 1.8|185.2 -24.0 161.1 26.9 0.41| 9.4 3.9 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251227.12.gif