UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for KTWC... Searching the city database file for: KTWC ... Date:0000Z 17 DEC 25 Station: KTWC WMO ident: 72274 Latitude: 32.23 Longitude: -110.96 Elevation: 751.00 ------------------------------------------------------------------------------- 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 112 SFC 930 751 23.4 1.4 23 22.0 11.5 360 4 302.8 303.6 287.6 316.6 4.55 2 928 769 22.2 0.2 23 22.0 10.6 342 6 301.7 302.5 286.9 314.4 4.18 3 925 795 22.0 0.0 23 22.0 10.4 315 9 301.8 302.6 286.9 314.4 4.13 4 896 1070 19.6 -1.4 24 21.0 8.9 305 10 302.1 302.8 286.7 313.8 3.85 5 894 1089 19.8 -5.2 18 25.0 7.9 305 10 302.5 303.0 285.8 311.5 2.90 6 881 1215 19.0 -1.0 26 20.0 8.7 305 9 302.9 303.7 287.2 315.2 4.03 7 850 1521 17.0 -4.0 23 21.0 6.8 335 11 304.0 304.6 286.8 314.3 3.34 8 845 1571 16.8 -11.2 14 28.0 4.9 322 12 304.3 304.6 285.4 310.3 1.92 9 830 1723 15.8 -14.2 11 30.0 3.8 326 13 304.8 305.1 285.2 309.7 1.53 10 823 1795 15.4 -14.6 11 30.0 3.5 329 14 305.1 305.4 285.3 309.9 1.50 11 747 2604 8.6 -21.4 10 30.0 -1.3 345 12 306.3 306.4 285.1 309.3 0.93 12 700 3138 5.4 -26.6 8 32.0 -3.8 20 12 308.5 308.6 285.5 310.6 0.62 13 694 3208 5.2 -27.8 7 33.0 -4.1 14 14 309.0 309.1 285.7 310.9 0.56 14 689 3268 6.6 -36.4 3 43.0 -3.9 8 16 311.2 311.2 286.1 312.1 0.25 15 676 3424 6.0 -39.0 2 45.0 -4.4 1 19 312.2 312.3 286.4 312.9 0.19 16 665 3558 5.8 -19.2 15 25.0 -3.0 3 20 313.5 313.7 288.0 317.7 1.26 17 662 3595 5.6 -17.4 17 23.0 -2.8 4 20 313.7 313.9 288.3 318.6 1.47 18 651 3732 4.4 -17.6 18 22.0 -3.6 6 20 313.8 314.1 288.3 318.7 1.47 19 649 3757 4.2 -17.8 18 22.0 -3.7 6 20 313.9 314.1 288.3 318.7 1.45 20 643 3832 3.6 -12.4 30 16.0 -2.9 6 20 314.0 314.4 289.2 321.5 2.29 21 627 4037 2.2 -11.8 35 14.0 -3.5 8 18 314.7 315.2 289.6 322.7 2.47 22 625 4062 1.8 -12.2 35 14.0 -3.8 8 18 314.5 315.0 289.5 322.3 2.40 23 602 4364 0.4 -15.6 29 16.0 -5.5 9 18 316.3 316.6 289.5 322.5 1.88 24 591 4512 0.0 -20.0 21 20.0 -6.7 6 21 317.5 317.7 289.3 322.0 1.32 25 589 4539 0.0 -26.0 12 26.0 -7.6 6 21 317.8 317.9 288.9 320.5 0.78 26 576 4718 -0.9 -34.9 6 34.0 -8.9 3 25 318.8 318.8 288.8 320.0 0.34 27 500 5830 -9.5 -38.5 7 29.0 -15.0 345 40 321.5 321.5 289.5 322.5 0.27 28 492 5954 -10.3 -39.3 7 29.0 -15.7 345 40 322.0 322.0 289.6 322.9 0.26 29 488 6016 -10.7 -34.7 12 24.0 -15.7 345 41 322.2 322.3 289.9 323.7 0.41 30 458 6497 -15.3 -31.3 24 16.0 -18.7 346 43 322.4 322.5 290.2 324.6 0.61 31 437 6848 -17.3 -37.3 16 20.0 -20.7 348 45 324.2 324.3 290.4 325.5 0.35 32 400 7500 -22.9 -37.9 24 15.0 -25.2 350 49 325.2 325.3 290.7 326.6 0.36 33 378 7912 -26.5 -40.5 25 14.0 -28.3 350 52 325.8 325.8 290.8 326.9 0.30 34 357 8323 -29.3 -49.3 13 20.0 -31.1 350 55 327.4 327.4 291.1 327.9 0.12 35 349 8485 -30.1 -54.1 8 24.0 -31.9 350 57 328.4 328.4 291.3 328.7 0.07 36 300 9540 -40.1 -57.1 15 17.0 -40.9 355 60 328.8 328.9 291.5 329.1 0.06 37 287 9841 -42.9 -55.9 23 13.0 -43.5 359 59 329.0 329.1 291.5 329.3 0.07 38 269 10275 -46.3 -58.3 24 12.0 -46.7 5 59 330.2 330.3 291.9 330.5 0.05 39 260 10501 -47.9 -60.9 21 13.0 -48.3 8 58 331.1 331.1 292.0 331.3 0.04 40 255 10629 -47.3 -62.3 16 15.0 -47.7 9 58 333.8 333.9 292.8 334.0 0.03 41 250 10760 -48.1 -62.1 18 14.0 -48.5 5 45 334.6 334.6 293.0 334.7 0.04 42 238 11083 -49.1 -62.1 21 13.0 -49.5 356 40 337.8 337.8 293.8 337.9 0.04 43 215 11741 -53.5 -64.5 25 11.0 -53.7 315 56 340.9 340.9 294.6 341.1 0.03 44 210 11892 -52.9 -68.9 13 16.0 -53.2 315 56 344.2 344.2 295.3 344.2 0.02 45 203 12112 -48.7 -79.7 2 31.0 -49.3 329 76 354.1 354.1 297.5 354.2 0.00 46 202 12145 -48.5 -78.5 2 30.0 -49.1 331 79 355.0 355.0 297.7 355.0 0.00 47 200 12210 -48.5 -78.5 2 30.0 -49.1 335 85 356.0 356.0 297.9 356.0 0.00 48 197 12309 -49.1 -78.9 2 29.8 -49.6 335 86 356.6 356.6 298.0 356.6 0.00 49 186 12684 -51.3 -80.3 2 29.0 -51.8 339 80 358.9 358.9 298.5 358.9 0.00 50 176 13043 -51.7 -82.7 1 31.0 -52.2 347 69 364.0 364.0 299.5 364.0 0.00 51 171 13230 -50.9 -82.9 1 32.0 -51.4 351 64 368.3 368.3 300.2 368.3 0.00 52 150 14070 -57.3 -85.3 2 28.0 -57.6 325 25 371.4 371.4 300.8 371.4 0.00 53 140 14504 -61.1 -88.1 2 27.0 -61.3 317 25 372.1 372.1 300.9 372.1 0.00 54 124 15254 -64.9 -88.9 2 24.0 -65.0 330 35 378.3 378.3 302.0 378.3 0.00 55 100 16550 -71.1 -90.1 4 19.0 -71.2 350 21 390.4 390.4 303.8 390.4 0.00 56 83 17639 -75.9 -89.9 9 14.0 -75.9 348 26 401.9 401.9 305.5 401.9 0.00 57 76 18146 -76.7 -89.7 11 13.0 -76.7 3 21 410.5 410.5 306.6 410.5 0.00 58 70 18620 -76.1 -89.1 11 13.0 -76.2 320 5 421.6 421.6 307.9 421.6 0.00 59 66 18961 -74.5 -88.5 10 14.0 -74.6 323 5 432.2 432.2 309.1 432.2 0.00 60 63 19230 -75.5 -89.5 9 14.0 -75.6 281 10 435.8 435.8 309.4 435.8 0.00 61 60 19515 -72.5 -89.5 6 17.0 -72.6 289 14 448.6 448.6 310.7 448.6 0.00 62 57 19816 -71.7 -90.7 4 19.0 -71.8 349 13 457.1 457.1 311.5 457.1 0.00 63 56 19921 -72.3 -91.3 4 19.0 -72.4 342 13 458.0 458.0 311.6 458.0 0.00 64 55 20027 -69.9 -90.9 3 21.0 -70.1 335 12 465.9 465.9 312.3 465.9 0.00 65 51 20480 -66.3 -90.3 2 24.0 -66.5 19 14 484.5 484.5 313.8 484.5 0.00 66 50 20600 -66.7 -90.7 2 24.0 -67.0 35 14 486.3 486.3 314.0 486.3 0.00 67 49 20722 -67.1 -91.1 2 24.0 -67.4 40 10 488.2 488.2 314.1 488.2 0.00 68 40 21954 -64.1 -90.1 2 26.0 -64.6 95 21 524.9 524.9 316.6 524.9 0.00 69 37 22430 -64.9 -90.9 2 26.0 -65.3 94 18 534.7 534.7 317.2 534.7 0.00 70 34 22948 -62.7 -89.7 1 27.0 -63.3 92 18 553.5 553.5 318.3 553.6 0.00 71 30 23720 -62.3 -90.3 1 28.0 -63.0 80 25 574.8 574.8 319.4 574.8 0.00 72 29 23929 -61.9 -89.9 1 28.0 -62.7 92 25 581.5 581.5 319.8 581.5 0.00 73 26 24601 -63.9 -90.9 1 27.0 -64.6 89 24 594.3 594.3 320.3 594.3 0.00 74 24 25092 -62.3 -90.3 1 28.0 -63.1 79 24 612.7 612.7 321.2 612.7 0.00 75 22 25636 -56.7 -87.7 1 31.0 -58.4 66 23 644.8 644.8 322.5 644.9 0.01 76 21 25931 -56.5 -87.5 1 31.0 -58.3 71 26 654.0 654.0 322.9 654.1 0.01 77 20 26240 -56.7 -86.7 1 30.0 -58.6 85 22 662.6 662.6 323.2 662.7 0.01 78 17 27263 -60.1 -88.1 1 28.0 -61.6 102 23 683.2 683.2 323.9 683.3 0.01 79 14 28479 -58.7 -87.7 1 29.0 -60.7 72 13 727.0 727.0 325.3 727.1 0.01 80 12 29442 -61.3 -89.3 1 28.0 -63.0 59 16 750.6 750.6 326.0 750.6 0.01 81 12 29442 -61.1 -90.1 1 29.0 -62.9 59 16 751.3 751.3 326.0 751.3 0.01 82 11 29990 -55.3 -87.3 1 32.0 -58.6 6 11 791.3 791.3 327.0 791.4 0.02 83 10 30600 -53.9 -85.9 1 32.0 -57.9 295 15 818.4 818.4 327.7 818.6 0.02 84 9.6 30861 -55.3 -86.3 1 31.0 -59.0 822.7 822.7 327.8 822.9 0.02 85 8.9 31348 -52.5 -85.5 1 33.0 -57.4 851.5 851.5 328.4 851.8 0.03 TRP 215 11741 -53.5 -64.5 25 11.0 -53.7 315 56 340.9 340.9 294.6 341.1 0.03 WND 197 12309 -49.1 -78.9 2 29.8 -49.6 335 86 356.6 356.6 298.0 356.6 0.00 Sounding variables and indices 1000-500 mb thick: 5718.00 m Freezing level: 589.00 mb = 4539.14 m = 14892.01 ft Wetbulb zero: 767.08 mb = 2382.83 m = 7817.58 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 14.24 % Est. max temperature: 26.33 C = 79.39 F Sfc-Lift cond lev (LCL): 670.55 mb = 3490.10 m = 11450.31 ft T: 5.90 C 700-500 lapse rate: 5.53 C/km ThetaE index: 5.55 C Layer 850.0- 823.0 mb Conv cond level (CCL): 485.83 mb = 6049.76 m = 19848.06 ft Mean mixing ratio: 3.40 g/kg Conv temperature: 42.47 C = 108.45 F Cap Strength: 11.44 C Lifted Index: 10.64 C Risk: None Lifted Index @300 mb: 11.21 C Lifted Index @700 mb: 4.90 C Showalter Index: 10.17 C Risk: None Total Totals Index: 32.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 5.50 C K Index: -9.50 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 1.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.09 J/kg Max Up Vert Vel: 5.12 m/s Conv Inhibition (B-): 61323.04 J/kg Cap Strength: 11.36 C Lift Cond Lev (LCL): 628.94 mb = 4011.53 m = 13161.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 20 at 17 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 ---------------------------------------------------------- 0 930 751 360 4 -0.0 -4.0 | 206 13 5.8 12.0 1 925 795 315 9 6.4 -6.4 | 232 15 12.1 9.6 2 912 914 305 11 9.0 -6.3 | 237 18 14.8 9.7 3 880 1219 305 9 7.4 -5.2 | 231 17 13.1 10.8 4 850 1521 335 11 4.6 -10.0 | 240 12 10.4 6.0 5 850 1524 320 12 7.7 -9.2 | 243 15 13.5 6.8 6 819 1829 330 14 7.0 -12.1 | 253 13 12.8 3.9 7 790 2134 330 15 7.5 -13.0 | 257 14 13.3 3.0 8 761 2438 335 11 4.6 -10.0 | 240 12 10.4 6.0 9 734 2743 355 13 1.1 -13.0 | 246 8 6.9 3.0 10 708 3048 25 11 -4.6 -10.0 | 191 6 1.1 6.0 11 700 3138 20 12 -4.1 -11.3 | 200 5 1.7 4.7 12 681 3353 360 18 -0.0 -18.0 | 289 6 5.8 -2.0 13 656 3658 5 21 -1.8 -20.9 | 321 6 3.9 -4.9 14 608 4267 10 16 -2.8 -15.8 | 266 3 3.0 0.2 15 563 4877 360 29 -0.0 -29.0 | 336 14 5.8 -13.0 16 500 5830 345 40 10.4 -38.6 | 325 28 16.1 -22.7 17 483 6096 345 41 10.6 -39.6 | 325 29 16.4 -23.6 18 400 7500 350 49 8.5 -48.3 | 336 35 14.3 -32.3 19 393 7620 350 49 8.5 -48.3 | 336 35 14.3 -32.3 20 317 9144 350 63 10.9 -62.0 | 340 49 16.7 -46.1 21 304 9449 350 65 11.3 -64.0 | 340 51 17.1 -48.0 22 300 9540 355 60 5.2 -59.8 | 346 45 11.0 -43.8 23 253 10668 10 58 -10.1 -57.1 | 6 41 -4.3 -41.1 24 250 10760 5 45 -3.9 -44.8 | 356 29 1.9 -28.8 25 242 10973 5 44 -3.8 -43.8 | 356 28 1.9 -27.8 26 231 11278 340 32 10.9 -30.1 | 310 22 16.7 -14.1 27 220 11582 325 37 21.2 -30.3 | 298 31 27.0 -14.3 28 215 11741 315 56 39.6 -39.6 | 297 51 45.4 -23.6 29 210 11887 315 55 38.9 -38.9 | 297 50 44.7 -22.9 30 200 12210 335 85 35.9 -77.0 | 326 74 41.7 -61.1 31 197 12309 335 86 36.3 -77.9 | 326 75 42.1 -62.0 32 191 12497 335 86 36.3 -77.9 | 326 75 42.1 -62.0 33 166 13411 355 58 5.1 -57.8 | 345 43 10.8 -41.8 34 151 14021 325 19 10.9 -15.6 | 269 17 16.7 0.4 35 150 14070 325 25 14.3 -20.5 | 283 21 20.1 -4.5 36 137 14630 315 25 17.7 -17.7 | 274 24 23.5 -1.7 37 124 15240 330 35 17.5 -30.3 | 302 27 23.3 -14.3 38 118 15545 335 38 16.1 -34.4 | 310 29 21.8 -18.5 39 100 16550 350 21 3.6 -20.7 | 296 11 9.4 -4.7 40 96 16764 350 22 3.8 -21.7 | 301 11 9.6 -5.7 41 91 17069 330 14 7.0 -12.1 | 253 13 12.8 3.9 42 87 17374 350 22 3.8 -21.7 | 301 11 9.6 -5.7 43 78 17983 345 31 8.0 -29.9 | 315 20 13.8 -14.0 44 74 18288 20 11 -3.8 -10.3 | 200 6 2.0 5.6 45 70 18620 320 5 3.2 -3.8 | 216 15 9.0 12.2 46 67 18898 335 4 1.7 -3.6 | 211 14 7.5 12.4 47 63 19202 280 10 9.8 -1.7 | 228 21 15.6 14.2 48 60 19507 285 14 13.5 -3.6 | 237 23 19.3 12.4 49 57 19812 350 13 2.3 -12.8 | 248 9 8.0 3.2 50 54 20117 330 12 6.0 -10.4 | 245 13 11.8 5.6 51 50 20600 35 14 -8.0 -11.5 | 153 5 -2.3 4.5 52 49 20726 40 10 -6.4 -7.7 | 176 8 -0.7 8.3 53 47 21031 40 14 -9.0 -10.7 | 149 6 -3.2 5.3 54 44 21336 60 17 -14.7 -8.5 | 130 12 -8.9 7.5 55 42 21641 90 19 -19.0 0.0 | 140 21 -13.2 16.0 56 38 22250 100 22 -21.7 3.8 | 141 25 -15.9 19.8 57 36 22555 90 16 -16.0 0.0 | 147 19 -10.2 16.0 58 35 22860 100 18 -17.7 3.1 | 148 23 -11.9 19.1 59 33 23165 75 17 -16.4 -4.4 | 137 16 -10.6 11.6 60 31 23470 90 24 -24.0 0.0 | 131 24 -18.2 16.0 61 30 23720 80 25 -24.6 -4.3 | 122 22 -18.8 11.6 62 30 23774 95 24 -23.9 2.1 | 135 26 -18.1 18.1 63 28 24079 90 26 -26.0 0.0 | 128 26 -20.2 16.0 64 27 24384 85 25 -24.9 -2.2 | 126 24 -19.1 13.8 65 26 24689 90 24 -24.0 0.0 | 131 24 -18.2 16.0 66 22 25603 65 23 -20.8 -9.7 | 113 16 -15.1 6.3 67 21 25908 70 26 -24.4 -8.9 | 111 20 -18.7 7.1 68 20 26240 85 22 -21.9 -1.9 | 131 21 -16.1 14.1 69 19 26518 65 24 -21.8 -10.1 | 110 17 -16.0 5.8 70 17 27432 110 23 -21.6 7.9 | 146 29 -15.8 23.9 71 16 27737 95 19 -18.9 1.7 | 143 22 -13.2 17.6 72 15 28042 110 14 -13.2 4.8 | 160 22 -7.4 20.8 73 14 28346 90 10 -10.0 0.0 | 165 17 -4.2 16.0 74 14 28651 50 16 -12.3 -10.3 | 131 9 -6.5 5.7 75 13 28956 55 27 -22.1 -15.5 | 92 16 -16.3 0.5 76 12 29566 60 14 -12.1 -7.0 | 145 11 -6.3 9.0 77 11 29870 15 11 -2.8 -10.6 | 209 6 2.9 5.4 78 11 30175 355 10 0.9 -10.0 | 228 9 6.6 6.0 79 10 30600 295 15 13.6 -6.3 | 244 22 19.4 9.6 Wind Parameters Mean winds (0-6000m): 349.9 at 22.7 knts Storm direction: 19.9 at 17.0 knts Shear (0-3000m) pos: 2.3 neg: 1.8 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 112.2 deg Storm rel helicity (0-3000m) pos: 69.4 neg: -27.2 tot: 42.2 m^2/s^2 ave: 14.1 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 37.53 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 ------------------------------------------------------------------------------- 500 308 10 233 17| 0.0 7.7 7.7| 30.0 -6.1 23.8 47.7 0.59| 11.5 6.8 1000 316 10 237 16| 2.9 3.8 6.7| 48.4 -6.1 42.3 42.3 0.60| 9.8 5.9 1500 322 12 243 15| 2.1 2.6 4.7| 53.4 -10.2 43.2 28.8 0.53| 7.5 4.0 2000 327 12 244 14| 2.5 1.9 4.4| 55.9 -17.9 38.0 19.0 0.35| 7.5 2.6 2500 336 12 244 12| 2.8 1.5 4.3| 60.7 -26.8 33.9 13.6 0.22| 8.4 1.9 3000 343 13 251 10| 2.3 1.8 4.1| 69.4 -27.2 42.2 14.1 0.31| 8.4 2.6 4000 351 15 261 8| 1.5 2.5 4.0| 76.4 -30.5 45.9 11.5 0.27| 8.2 2.2 5000 352 19 286 9| 1.2 3.6 4.8| 77.2 -51.5 25.7 5.1 0.17| 8.2 1.4 6000 350 23 303 12| 1.2 3.2 4.4|102.1 -54.7 47.4 7.9 0.19| 7.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//KTWC/skewt/KTWC.skewt.20251217.00.gif