UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for SBTS... Searching the city database file for: SBTS ... Date:1200Z 24 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 96 SFC 972 344 22.2 21.0 93 1.2 21.3 260 2 297.8 300.7 295.6 345.1 16.32 2 925 774 19.6 19.3 98 0.3 19.4 70 10 299.4 302.2 295.4 344.3 15.41 3 850 1503 17.0 16.1 94 0.9 16.4 80 22 304.0 306.5 295.4 344.6 13.67 4 729 2802 10.4 10.4 100 0.0 10.4 49 13 310.4 312.4 295.2 343.8 10.94 5 700 3140 9.0 8.8 99 0.2 8.9 10 9 312.5 314.4 295.3 344.0 10.22 6 637 3918 5.2 3.1 86 2.1 4.0 7 9 316.7 318.1 294.4 340.4 7.53 7 564 4903 -0.9 -0.9 100 0.0 -0.9 309 11 320.7 321.9 294.6 341.2 6.37 8 540 5250 -1.9 -5.2 78 3.3 -3.6 284 8 323.5 324.5 294.1 339.3 4.82 9 500 5860 -5.3 -5.7 97 0.4 -5.5 240 3 326.6 327.6 295.1 343.2 5.01 10 496 5923 -5.9 -5.9 100 0.0 -5.9 235 3 326.6 327.6 295.1 343.1 4.97 11 461 6493 -8.5 -9.8 90 1.3 -9.1 233 8 330.3 331.1 295.2 343.6 3.95 12 445 6767 -9.5 -17.5 52 8.0 -12.4 244 12 332.4 332.8 294.3 340.0 2.17 13 441 6836 -10.1 -18.1 52 8.0 -12.9 250 13 332.5 332.9 294.3 339.8 2.09 14 430 7030 -11.9 -19.9 51 8.0 -14.6 265 16 332.6 332.9 294.1 339.1 1.83 15 419 7228 -12.9 -34.9 14 22.0 -17.6 269 22 333.8 333.9 293.2 335.5 0.47 16 400 7580 -15.9 -27.9 35 12.0 -18.9 275 31 334.3 334.5 293.8 337.9 0.96 17 390 7770 -17.5 -28.5 38 11.0 -20.2 280 33 334.7 334.8 293.9 338.1 0.93 18 386 7848 -17.3 -41.3 10 24.0 -21.3 283 33 335.9 336.0 293.6 337.0 0.27 19 377 8025 -17.7 -53.7 3 36.0 -22.1 286 33 337.7 337.7 293.8 337.9 0.07 20 300 9690 -31.5 -57.5 6 26.0 -33.4 295 33 341.0 341.0 294.6 341.2 0.05 21 294 9832 -32.7 -57.7 6 25.0 -34.4 295 31 341.3 341.3 294.7 341.5 0.05 22 277 10248 -36.3 -47.3 31 11.0 -37.2 295 23 341.9 342.0 295.0 342.7 0.19 23 260 10683 -39.3 -42.8 69 3.5 -39.6 253 20 343.8 343.8 295.6 345.1 0.34 24 250 10950 -41.3 -45.2 66 3.9 -41.6 215 30 344.7 344.7 295.7 345.8 0.27 25 242 11169 -42.9 -47.9 58 5.0 -43.3 219 30 345.5 345.5 295.8 346.3 0.21 26 200 12420 -53.9 -58.1 60 4.2 -54.0 210 48 347.4 347.4 296.1 347.7 0.07 27 179 13122 -60.5 -63.0 72 2.5 -60.6 208 52 347.8 347.8 296.2 348.0 0.04 28 161 13773 -66.3 -71.2 50 4.9 -66.4 206 56 348.7 348.7 296.4 348.8 0.02 29 155 14002 -68.3 -77.3 26 9.0 -68.4 205 57 349.1 349.1 296.4 349.2 0.01 30 150 14200 -64.7 -91.7 1 27.0 -64.8 215 34 358.6 358.6 298.4 358.6 0.00 31 148 14282 -64.1 -97.1 0 33.0 -64.2 217 32 361.0 361.0 298.9 361.0 0.00 32 102 16468 -80.9 -86.9 36 6.0 -80.9 325 28 369.3 369.3 300.4 369.3 0.00 33 100 16580 -80.5 -88.5 25 8.0 -80.5 320 21 372.2 372.2 300.9 372.2 0.00 34 82 17686 -83.9 -90.9 28 7.0 -83.9 190 12 387.0 387.0 303.3 387.0 0.00 35 78 17964 -82.3 -91.3 20 9.0 -82.3 171 19 395.9 395.9 304.6 395.9 0.00 36 76 18111 -77.5 -89.5 13 12.0 -77.5 170 16 408.9 408.9 306.3 408.9 0.00 37 74 18263 -76.7 -88.7 13 12.0 -76.7 170 12 413.7 413.7 307.0 413.7 0.00 38 70 18580 -79.7 -89.7 18 10.0 -79.7 275 11 413.9 413.9 307.0 413.9 0.00 39 67 18827 -80.7 -89.7 21 9.0 -80.7 275 10 416.9 416.9 307.3 416.9 0.00 40 50 20490 -77.3 -90.3 11 13.0 -77.3 85 27 461.3 461.3 311.9 461.3 0.00 41 46 20969 -77.3 -92.3 7 15.0 -77.4 86 31 472.5 472.5 312.8 472.5 0.00 42 43 21366 -67.9 -92.9 2 25.0 -68.1 81 44 504.8 504.8 315.3 504.8 0.00 43 42 21507 -68.7 -91.7 2 23.0 -68.9 83 53 506.2 506.2 315.4 506.2 0.00 44 36 22447 -61.9 -89.9 1 28.0 -62.5 85 67 546.6 546.6 317.9 546.6 0.00 45 30 23590 -56.7 -88.7 1 32.0 -58.0 85 79 590.1 590.1 320.2 590.1 0.00 46 20 26220 -45.3 -83.3 1 38.0 -50.4 95 41 697.5 697.5 324.4 697.7 0.02 TRP 82 17686 -83.9 -90.9 28 7.0 -83.9 190 12 387.0 387.0 303.3 387.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 574.77 mb = 4757.47 m = 15608.31 ft Wetbulb zero: 577.61 mb = 4709.80 m = 15451.90 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 94.03 % Est. max temperature: 29.74 C = 85.53 F Sfc-Lift cond lev (LCL): 955.41 mb = 493.37 m = 1618.64 ft T: 21.30 C 700-500 lapse rate: 5.26 C/km ThetaE index: 0.81 C Layer 729.0- 700.0 mb Conv cond level (CCL): 899.80 mb = 1012.09 m = 3320.46 ft Mean mixing ratio: 15.28 g/kg Conv temperature: 25.26 C = 77.47 F Cap Strength: 0.60 C Lifted Index: -0.34 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.11 C Lifted Index @700 mb: -0.04 C Showalter Index: -0.34 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.40 C K Index: 38.20 Risk: > 80 % chance of thunderstorms Sweat Index: 240.20 Risk: None Energy Index: -0.38 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 80.59 J/kg Max Up Vert Vel: 12.70 m/s Conv Inhibition (B-): 17.26 J/kg Cap Strength: 0.57 C Lift Cond Lev (LCL): 913.02 mb = 886.41 m = 2908.15 ft Lev Free Conv (LFC): 758.02 mb = 2471.58 m = 8108.75 ft Equ Level (EL): 468.02 mb = 6375.46 m = 20916.61 ft B at Equ Level: 73.66 J/kg Max Parcel Lev (MPL): 228.02 mb = 11559.81 m = 37925.42 ft Wind level data Storm motion: 69 at 9 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 ---------------------------------------------------------- 0 972 344 260 2 2.0 0.3 | 251 11 10.1 3.4 1 943 610 50 4 -3.1 -2.6 | 264 5 5.0 0.5 2 925 774 70 10 -9.4 -3.4 | 75 1 -1.3 -0.4 3 910 914 85 17 -16.9 -1.5 | 100 9 -8.8 1.6 4 850 1503 80 22 -21.7 -3.8 | 87 14 -13.6 -0.8 5 848 1524 80 22 -21.7 -3.8 | 87 14 -13.6 -0.8 6 818 1829 65 23 -20.8 -9.7 | 62 14 -12.7 -6.7 7 789 2134 50 19 -14.6 -12.2 | 35 11 -6.5 -9.1 8 761 2438 50 18 -13.8 -11.6 | 34 10 -5.7 -8.5 9 734 2743 55 13 -10.6 -7.5 | 30 5 -2.6 -4.4 10 708 3048 20 11 -3.8 -10.3 | 329 8 4.3 -7.3 11 700 3140 10 9 -1.6 -8.9 | 312 9 6.5 -5.8 12 609 4267 5 9 -0.8 -9.0 | 309 9 7.3 -5.9 13 586 4572 360 12 -0.0 -12.0 | 318 12 8.1 -8.9 14 565 4877 310 11 8.4 -7.1 | 284 17 16.5 -4.0 15 500 5860 240 3 2.6 1.5 | 247 12 10.7 4.6 16 485 6096 220 4 2.6 3.1 | 240 12 10.7 6.1 17 448 6706 240 11 9.5 5.5 | 244 20 17.6 8.6 18 431 7010 265 16 15.9 1.4 | 259 24 24.0 4.5 19 400 7580 275 31 30.9 -2.7 | 269 39 39.0 0.4 20 382 7925 285 34 32.8 -8.8 | 278 41 40.9 -5.7 21 366 8230 290 31 29.1 -10.6 | 281 38 37.2 -7.5 22 310 9449 295 40 36.3 -16.9 | 287 46 44.3 -13.8 23 300 9690 295 33 29.9 -13.9 | 286 40 38.0 -10.9 24 272 10363 295 21 19.0 -8.9 | 282 28 27.1 -5.8 25 260 10668 255 20 19.3 5.2 | 253 29 27.4 8.2 26 250 10950 215 30 17.2 24.6 | 222 37 25.3 27.6 27 249 10973 220 27 17.4 20.7 | 227 35 25.5 23.7 28 207 12192 215 48 27.5 39.3 | 220 55 35.6 42.4 29 200 12420 210 48 24.0 41.6 | 216 55 32.1 44.6 30 154 14021 205 57 24.1 51.7 | 210 63 32.2 54.7 31 150 14200 215 34 19.5 27.9 | 222 41 27.6 30.9 32 139 14630 225 24 17.0 17.0 | 231 32 25.1 20.0 33 119 15545 275 19 18.9 -1.7 | 267 27 27.0 1.4 34 108 16154 290 23 21.6 -7.9 | 279 30 29.7 -4.8 35 102 16459 325 28 16.1 -22.9 | 309 31 24.2 -19.9 36 100 16580 320 21 13.5 -16.1 | 301 25 21.6 -13.0 37 97 16764 325 22 12.6 -18.0 | 306 26 20.7 -15.0 38 92 17069 300 22 19.1 -11.0 | 286 28 27.1 -7.9 39 87 17374 305 15 12.3 -8.6 | 285 21 20.4 -5.5 40 82 17678 265 9 9.0 0.8 | 257 17 17.1 3.8 41 82 17686 190 12 2.1 11.8 | 214 18 10.2 14.9 42 78 17983 170 19 -3.3 18.7 | 192 22 4.8 21.8 43 74 18288 170 11 -1.9 10.8 | 204 15 6.2 13.9 44 70 18580 275 11 11.0 -1.0 | 264 19 19.1 2.1 45 66 18898 275 10 10.0 -0.9 | 263 18 18.1 2.2 46 63 19202 255 13 12.6 3.4 | 253 22 20.7 6.4 47 59 19507 230 12 9.2 7.7 | 238 20 17.3 10.8 48 56 19812 225 10 7.1 7.1 | 236 18 15.2 10.1 49 53 20117 345 2 0.5 -1.9 | 263 9 8.6 1.1 50 51 20422 110 11 -10.3 3.8 | 162 7 -2.2 6.8 51 50 20490 85 27 -26.9 -2.4 | 92 19 -18.8 0.7 52 48 20726 90 24 -24.0 0.0 | 101 16 -15.9 3.1 53 43 21336 80 39 -38.4 -6.8 | 83 31 -30.3 -3.7 54 41 21641 85 59 -58.8 -5.1 | 88 51 -50.7 -2.1 55 36 22555 85 68 -67.7 -5.9 | 87 60 -59.6 -2.9 56 30 23590 85 79 -78.7 -6.9 | 87 71 -70.6 -3.8 57 28 24079 85 81 -80.7 -7.1 | 87 73 -72.6 -4.0 58 21 25908 90 68 -68.0 0.0 | 93 60 -59.9 3.1 59 20 26213 85 53 -52.8 -4.6 | 88 45 -44.7 -1.6 60 20 26220 95 41 -40.8 3.6 | 101 33 -32.7 6.6 61 18 26518 100 36 -35.5 6.3 | 109 29 -27.4 9.3 Wind Parameters Mean winds (0-6000m): 39.3 at 11.5 knts Storm direction: 69.3 at 8.7 knts Shear (0-3000m) pos: 3.9 neg: 3.4 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 59.8 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -68.3 tot: -56.2 m^2/s^2 ave: -18.7 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 10.0 stream: -2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 13.07 Bulk Shear: 6.17 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 63 6 261 3| 15.9 0.0 15.9| 10.4 -0.3 10.0 20.1 0.56| 20.6 11.5 1000 79 12 103 4| 11.7 0.0 11.7| 12.0 -5.3 6.7 6.7 0.37| 14.3 5.3 1500 77 15 87 7| 7.8 2.3 10.1| 12.0 -30.4 -18.4 -12.2 0.10| 12.1 1.2 2000 70 17 71 8| 5.8 2.8 8.6| 12.0 -49.9 -37.8 -18.9 -0.06| 10.9 -0.6 2500 66 16 63 8| 4.7 2.7 7.4| 12.0 -54.3 -42.3 -16.9 -0.11| 10.4 -1.1 3000 62 15 52 7| 3.9 3.4 7.3| 12.0 -68.3 -56.2 -18.7 -0.21| 10.0 -2.1 4000 52 14 27 6| 2.9 2.7 5.6| 13.3 -69.1 -55.8 -14.0 -0.21| 7.7 -1.6 5000 42 13 5 7| 2.3 2.8 5.2| 16.2-129.5-113.3 -22.7 -0.33| 8.1 -2.7 6000 39 12 352 6| 1.9 2.3 4.2| 16.5-147.8-131.3 -21.9 -0.35| 7.5 -2.7 Wrote GIF file: /home/apache/climate/data/raob//SBTS/skewt/SBTS.skewt.20251224.12.gif