UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 5 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 103 SFC 973 344 25.6 20.6 74 5.0 22.1 330 4 301.1 304.0 296.1 347.8 15.89 2 966 407 23.4 20.6 84 2.8 21.4 347 6 299.5 302.4 295.8 346.3 16.01 3 925 784 21.8 17.9 79 3.9 19.1 45 19 301.6 304.2 295.1 343.1 14.09 4 865 1365 17.8 16.6 93 1.2 17.0 87 18 303.3 305.8 295.4 344.4 13.87 5 850 1515 17.8 12.9 73 4.9 14.6 95 14 304.8 306.8 293.8 337.9 11.07 6 815 1873 15.8 10.8 72 5.0 12.6 111 11 306.4 308.2 293.4 336.6 10.03 7 790 2139 17.8 -10.2 14 28.0 5.2 115 16 311.2 311.7 288.2 318.4 2.22 8 732 2787 14.2 -4.8 26 19.0 4.7 139 7 314.2 314.9 290.5 325.9 3.65 9 721 2914 13.0 4.0 54 9.0 7.7 145 5 314.2 315.6 293.4 336.4 7.09 10 700 3162 11.8 -1.2 40 13.0 4.8 155 2 315.6 316.5 292.1 331.5 5.01 11 609 4312 3.6 -1.2 71 4.8 1.0 275 4 318.9 320.0 293.7 337.4 5.76 12 553 5091 -0.9 -9.9 50 9.0 -4.8 275 4 322.5 323.2 292.6 333.3 3.26 13 544 5222 -1.9 -6.0 73 4.1 -3.9 275 4 322.8 323.7 293.7 337.6 4.49 14 534 5370 -2.5 -11.5 50 9.0 -6.3 275 4 323.8 324.4 292.7 333.8 2.97 15 515 5657 -4.3 -10.3 63 6.0 -6.9 275 4 325.0 325.7 293.4 336.4 3.39 16 500 5890 -5.1 -17.1 38 12.0 -9.5 275 4 326.8 327.2 292.7 333.7 2.00 17 498 5921 -5.1 -19.1 32 14.0 -10.0 271 4 327.2 327.5 292.6 333.1 1.70 18 470 6371 -7.5 -26.5 20 19.0 -12.9 238 7 329.7 329.9 292.6 333.0 0.93 19 451 6689 -10.1 -19.1 48 9.0 -13.2 231 10 330.3 330.7 293.6 336.9 1.87 20 448 6740 -10.3 -25.3 28 15.0 -14.6 229 10 330.7 330.9 293.0 334.6 1.09 21 442 6843 -10.9 -20.9 44 10.0 -14.1 226 10 331.2 331.6 293.6 337.0 1.64 22 439 6895 -11.3 -14.7 76 3.4 -12.6 224 10 331.4 331.9 294.6 341.0 2.79 23 425 7142 -12.7 -26.7 30 14.0 -16.5 216 10 332.7 332.9 293.4 336.3 1.01 24 408 7451 -14.7 -24.7 42 10.0 -17.5 205 11 334.0 334.2 294.0 338.6 1.27 25 400 7600 -15.3 -18.3 78 3.0 -16.3 200 11 335.1 335.6 295.1 343.1 2.26 26 392 7753 -16.3 -20.6 69 4.3 -17.7 202 10 335.7 336.1 294.9 342.5 1.89 27 329 9048 -26.5 -30.4 70 3.9 -27.3 210 11 339.0 339.2 294.9 342.4 0.93 28 300 9710 -30.9 -38.9 45 8.0 -32.0 245 12 341.8 341.9 295.1 343.5 0.44 29 291 9926 -32.5 -44.5 29 12.0 -33.8 248 13 342.5 342.6 295.1 343.5 0.25 30 286 10048 -33.3 -44.3 32 11.0 -34.5 250 13 343.1 343.2 295.3 344.1 0.26 31 273 10374 -36.3 -43.3 48 7.0 -37.0 258 12 343.3 343.4 295.4 344.6 0.30 32 250 10980 -41.5 -50.5 37 9.0 -42.1 275 10 344.4 344.4 295.5 345.0 0.15 33 231 11510 -46.1 -55.1 35 9.0 -46.5 220 10 345.2 345.3 295.7 345.6 0.09 34 218 11892 -48.7 -62.7 18 14.0 -49.1 181 10 347.0 347.0 296.0 347.2 0.04 35 200 12450 -54.1 -61.1 42 7.0 -54.3 175 8 347.1 347.1 296.0 347.3 0.05 36 166 13616 -64.3 -68.7 55 4.4 -64.4 157 15 349.0 349.1 296.4 349.1 0.02 37 150 14230 -67.9 -77.9 23 10.0 -67.9 130 23 353.1 353.1 297.3 353.1 0.01 38 146 14393 -67.5 -80.5 14 13.0 -67.6 130 23 356.6 356.6 298.0 356.6 0.00 39 112 15947 -79.3 -85.3 37 6.0 -79.3 300 9 362.6 362.6 299.2 362.6 0.00 40 100 16590 -79.9 -87.9 25 8.0 -79.9 230 20 373.4 373.4 301.1 373.4 0.00 41 85 17501 -84.1 -91.1 28 7.0 -84.1 215 6 382.6 382.6 302.6 382.6 0.00 42 71 18501 -83.1 -89.1 34 6.0 -83.1 227 16 405.0 405.0 305.9 405.0 0.00 43 70 18580 -81.5 -88.5 29 7.0 -81.5 255 12 410.0 410.0 306.5 410.0 0.00 44 66 18911 -79.1 -88.1 21 9.0 -79.1 250 11 422.2 422.2 308.0 422.2 0.00 45 65 18998 -74.7 -86.7 14 12.0 -74.7 267 12 433.7 433.7 309.2 433.7 0.00 46 60 19464 -73.1 -88.1 8 15.0 -73.2 314 18 447.3 447.3 310.6 447.3 0.00 47 53 20194 -69.5 -88.5 5 19.0 -69.6 355 13 471.8 471.8 312.8 471.8 0.00 48 50 20540 -70.5 -89.5 4 19.0 -70.6 85 27 477.4 477.4 313.2 477.4 0.00 49 48 20783 -70.5 -90.5 4 20.0 -70.6 86 27 483.0 483.0 313.7 483.0 0.00 50 37 22364 -61.9 -87.9 2 26.0 -62.5 96 52 542.4 542.4 317.6 542.4 0.00 51 35 22707 -63.7 -89.7 2 26.0 -64.2 104 54 546.4 546.4 317.9 546.4 0.00 52 30 23660 -61.3 -88.3 2 27.0 -62.1 95 55 577.5 577.5 319.5 577.6 0.01 53 29 23871 -60.9 -88.1 2 27.2 -61.7 95 59 584.3 584.3 319.9 584.4 0.01 54 26 24555 -59.5 -87.5 1 28.0 -60.6 94 59 606.8 606.8 320.9 606.8 0.01 55 24 25062 -55.7 -86.7 1 31.0 -57.5 89 58 631.9 631.9 322.0 631.9 0.01 56 21 25916 -55.3 -85.3 1 30.0 -57.3 82 56 657.7 657.7 323.0 657.8 0.01 57 20 26230 -52.3 -84.3 1 32.0 -55.1 90 52 676.1 676.1 323.6 676.2 0.02 58 17 27291 -48.1 -82.1 1 34.0 -52.6 95 49 721.7 721.7 325.1 722.0 0.03 TRP 85 17501 -84.1 -91.1 28 7.0 -84.1 215 6 382.6 382.6 302.6 382.6 0.00 WND 29 23871 -60.9 -88.1 2 27.2 -61.7 95 59 584.3 584.3 319.9 584.4 0.01 Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 564.20 mb = 4935.05 m = 16190.92 ft Wetbulb zero: 599.29 mb = 4441.99 m = 14573.28 ft Precipitable water: 1.52 inches Sfc-500 mean rel hum: 57.87 % Est. max temperature: 30.46 C = 86.83 F Sfc-Lift cond lev (LCL): 904.73 mb = 975.82 m = 3201.48 ft T: 20.48 C 700-500 lapse rate: 6.20 C/km ThetaE index: 25.98 C Layer 850.0- 732.0 mb Conv cond level (CCL): 830.86 mb = 1709.07 m = 5607.12 ft Mean mixing ratio: 14.55 g/kg Conv temperature: 30.11 C = 86.19 F Cap Strength: 4.19 C Lifted Index: -0.08 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.66 C Lifted Index @700 mb: 2.82 C Showalter Index: 2.56 C Risk: Showers probable Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 18.00 C K Index: 22.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 186.80 Risk: None Energy Index: -0.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.91 J/kg Max Up Vert Vel: 8.47 m/s Conv Inhibition (B-): 242.20 J/kg Cap Strength: 4.11 C Lift Cond Lev (LCL): 881.84 mb = 1197.69 m = 3929.38 ft Lev Free Conv (LFC): 586.84 mb = 4611.42 m = 15129.14 ft Equ Level (EL): 496.84 mb = 5939.42 m = 19486.05 ft B at Equ Level: 27.89 J/kg Max Parcel Lev (MPL): 276.84 mb = 10276.46 m = 33715.01 ft Wind level data Storm motion: 122 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 ---------------------------------------------------------- 0 973 344 330 4 2.0 -3.5 | 313 10 6.9 -6.5 1 944 610 40 13 -8.4 -10.0 | 15 13 -3.4 -13.0 2 925 784 45 19 -13.4 -13.4 | 27 19 -8.5 -16.5 3 911 914 55 19 -15.6 -10.9 | 37 18 -10.6 -14.0 4 880 1219 80 21 -20.7 -3.6 | 67 17 -15.8 -6.7 5 850 1515 95 14 -13.9 1.2 | 78 9 -9.0 -1.9 6 819 1829 110 10 -9.4 3.4 | 94 4 -4.5 0.3 7 790 2134 115 16 -14.5 6.8 | 111 10 -9.6 3.7 8 762 2438 125 12 -9.8 6.9 | 128 6 -4.9 3.8 9 700 3162 155 2 -0.8 1.8 | 287 4 4.1 -1.3 10 684 3353 190 1 0.2 1.0 | 292 6 5.1 -2.1 11 611 4267 275 4 4.0 -0.3 | 291 10 8.9 -3.4 12 500 5890 275 4 4.0 -0.3 | 291 10 8.9 -3.4 13 487 6096 245 5 4.5 2.1 | 276 10 9.5 -1.0 14 450 6706 230 10 7.7 6.4 | 255 13 12.6 3.3 15 400 7600 200 11 3.8 10.3 | 230 11 8.7 7.3 16 399 7620 200 10 3.4 9.4 | 233 10 8.3 6.3 17 367 8230 210 10 5.0 8.7 | 241 11 9.9 5.6 18 324 9144 210 11 5.5 9.5 | 238 12 10.4 6.4 19 300 9710 245 12 10.9 5.1 | 263 16 15.8 2.0 20 285 10058 250 13 12.2 4.4 | 265 17 17.1 1.4 21 250 10973 275 10 10.0 -0.9 | 285 15 14.9 -4.0 22 250 10980 275 10 10.0 -0.9 | 285 15 14.9 -4.0 23 218 11887 180 10 0.0 10.0 | 215 8 4.9 6.9 24 200 12450 175 8 -0.7 8.0 | 221 6 4.2 4.9 25 171 13411 165 12 -3.1 11.6 | 192 9 1.8 8.5 26 150 14230 130 23 -17.6 14.8 | 133 17 -12.7 11.7 27 148 14326 130 23 -17.6 14.8 | 133 17 -12.7 11.7 28 140 14630 130 21 -16.1 13.5 | 133 15 -11.2 10.4 29 133 14935 225 4 2.8 2.8 | 272 8 7.8 -0.3 30 120 15545 325 12 6.9 -9.8 | 318 17 11.8 -12.9 31 102 16459 265 5 5.0 0.4 | 285 10 9.9 -2.6 32 100 16590 230 20 15.3 12.9 | 244 22 20.2 9.8 33 97 16764 230 21 16.1 13.5 | 244 23 21.0 10.4 34 92 17069 230 11 8.4 7.1 | 253 14 13.4 4.0 35 85 17501 215 6 3.4 4.9 | 258 9 8.4 1.8 36 82 17678 280 4 3.9 -0.7 | 293 10 8.9 -3.8 37 78 17983 165 22 -5.7 21.3 | 178 18 -0.8 18.2 38 74 18288 150 26 -13.0 22.5 | 157 21 -8.1 19.4 39 70 18580 255 12 11.6 3.1 | 270 17 16.5 0.0 40 70 18593 155 3 -1.3 2.7 | 276 4 3.7 -0.4 41 66 18898 245 11 10.0 4.6 | 264 15 14.9 1.6 42 63 19202 305 13 10.6 -7.5 | 304 19 15.6 -10.5 43 60 19507 315 19 13.4 -13.4 | 312 25 18.4 -16.5 44 57 19812 310 14 10.7 -9.0 | 308 20 15.7 -12.1 45 54 20117 330 11 5.5 -9.5 | 320 16 10.4 -12.6 46 51 20422 60 18 -15.6 -9.0 | 41 16 -10.7 -12.1 47 50 20540 85 27 -26.9 -2.4 | 76 23 -22.0 -5.4 48 48 20726 85 26 -25.9 -2.3 | 76 22 -21.0 -5.3 49 44 21336 90 38 -38.0 0.0 | 85 33 -33.1 -3.1 50 42 21641 65 43 -39.0 -18.2 | 58 40 -34.0 -21.3 51 40 21946 75 47 -45.4 -12.2 | 69 43 -40.5 -15.2 52 36 22555 105 54 -52.2 14.0 | 103 48 -47.2 10.9 53 30 23660 95 55 -54.8 4.8 | 92 50 -49.9 1.7 54 29 23871 95 59 -58.8 5.1 | 92 54 -53.8 2.1 55 27 24384 95 59 -58.8 5.1 | 92 54 -53.8 2.1 56 20 26213 80 56 -55.1 -9.7 | 76 52 -50.2 -12.8 57 20 26230 90 52 -52.0 0.0 | 86 47 -47.1 -3.1 58 14 27432 100 45 -44.3 7.8 | 97 40 -39.4 4.7 Wind Parameters Mean winds (0-6000m): 92.0 at 7.7 knts Storm direction: 122.0 at 5.8 knts Shear (0-3000m) pos: 0.8 neg: 0.0 tot: 0.8 10-3/s Storm rel Dir Shear (0-3000m): -21.4 deg Storm rel helicity (0-3000m) pos: 140.8 neg: 0.0 tot: 140.8 m^2/s^2 ave: 46.9 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 11.4 stream: 8.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 2.70 Bulk Shear: 13.32 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 38 12 12 13| 19.2 0.0 19.2| 62.6 0.0 62.6 125.3 0.87| 21.2 18.5 1000 58 16 37 15| 10.4 0.0 10.4|116.8 0.0 116.8 116.8 0.87| 17.8 15.4 1500 69 15 48 12| 4.7 0.0 4.7|124.4 0.0 124.4 82.9 0.75| 15.2 11.4 2000 81 15 60 11| 4.3 0.0 4.3|131.8 0.0 131.8 65.9 0.69| 13.7 9.5 2500 88 14 68 10| 2.1 0.0 2.1|137.4 0.0 137.4 55.0 0.69| 12.5 8.7 3000 90 12 66 8| 0.8 0.0 0.8|140.8 0.0 140.8 46.9 0.70| 11.4 8.0 4000 91 10 57 6| 0.5 0.0 0.5|143.7 -1.5 142.2 35.5 0.65| 9.2 6.0 5000 90 8 48 5| 0.4 0.0 0.4|143.7 -1.5 142.2 28.4 0.65| 7.3 4.8 6000 92 8 45 4| 0.3 0.4 0.7|143.7 -12.2 131.5 21.9 0.56| 6.5 3.7 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251205.12.gif