UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for KTWC... Searching the city database file for: KTWC ... Date:0000Z 4 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 108 SFC 927 751 15.2 7.2 59 8.0 10.6 10 5 294.7 295.9 286.9 314.6 6.88 2 925 771 13.2 5.2 58 8.0 8.9 355 9 292.8 293.9 285.4 310.1 6.00 3 872 1264 9.4 4.9 73 4.5 7.0 312 14 293.8 295.0 286.0 311.9 6.23 4 850 1476 7.6 5.2 85 2.4 6.3 295 12 294.1 295.3 286.4 313.0 6.53 5 833 1642 6.2 5.0 92 1.2 5.5 283 13 294.3 295.5 286.5 313.4 6.57 6 798 1993 3.4 2.9 97 0.5 3.1 260 18 295.0 296.0 286.1 312.2 5.91 7 795 2024 3.4 2.0 91 1.4 2.7 258 19 295.3 296.3 285.9 311.6 5.56 8 789 2085 2.8 2.6 99 0.2 2.7 254 20 295.3 296.4 286.2 312.4 5.85 9 778 2199 2.2 0.3 87 1.9 1.3 250 22 295.8 296.8 285.5 310.6 5.03 10 756 2430 0.4 -0.4 94 0.8 0.0 250 26 296.3 297.2 285.6 310.8 4.92 11 718 2843 -2.1 -5.4 78 3.3 -3.5 248 26 298.0 298.6 284.8 308.7 3.56 12 710 2932 -3.1 -5.2 85 2.1 -4.0 251 25 297.8 298.5 284.9 308.8 3.66 13 700 3044 -4.1 -5.8 88 1.7 -4.8 255 25 297.9 298.6 284.8 308.6 3.54 14 679 3283 -5.9 -7.4 89 1.5 -6.5 259 27 298.5 299.1 284.7 308.3 3.23 15 669 3399 -6.9 -8.0 92 1.1 -7.3 261 27 298.7 299.3 284.6 308.2 3.13 16 665 3446 -6.9 -9.5 82 2.6 -7.9 261 28 299.2 299.7 284.5 307.7 2.80 17 657 3540 -7.5 -10.3 80 2.8 -8.5 263 28 299.6 300.0 284.4 307.7 2.66 18 629 3877 -10.3 -10.3 100 0.0 -10.3 260 33 300.1 300.6 284.8 308.6 2.77 19 622 3963 -10.7 -10.7 100 0.0 -10.7 258 34 300.6 301.1 284.9 309.0 2.72 20 612 4088 -11.5 -11.9 97 0.4 -11.6 255 37 301.1 301.6 284.9 308.9 2.51 21 611 4100 -11.5 -13.4 86 1.9 -12.1 254 37 301.2 301.6 284.6 308.2 2.22 22 608 4138 -11.7 -14.3 81 2.6 -12.5 253 37 301.4 301.8 284.5 307.9 2.08 23 606 4163 -11.9 -13.7 86 1.8 -12.5 253 38 301.5 301.9 284.7 308.3 2.19 24 599 4252 -12.3 -22.3 43 10.0 -14.7 251 40 302.0 302.2 283.6 305.5 1.07 25 598 4265 -12.5 -21.5 47 9.0 -14.7 250 40 301.9 302.2 283.7 305.6 1.15 26 597 4278 -12.5 -16.6 71 4.1 -13.7 250 40 302.1 302.4 284.4 307.6 1.75 27 596 4290 -12.7 -14.0 90 1.3 -13.1 250 41 302.0 302.4 284.8 308.8 2.17 28 589 4381 -13.3 -13.7 97 0.4 -13.4 251 44 302.3 302.7 285.1 309.4 2.25 29 585 4432 -13.3 -13.6 98 0.3 -13.4 251 46 302.9 303.3 285.4 310.1 2.29 30 581 4485 -12.5 -16.0 75 3.5 -13.6 252 49 304.4 304.8 285.5 310.4 1.89 31 578 4524 -11.7 -19.7 51 8.0 -13.9 252 50 305.8 306.1 285.4 310.3 1.39 32 577 4538 -10.7 -21.7 40 11.0 -13.6 252 51 307.1 307.4 285.7 311.0 1.17 33 573 4591 -10.7 -24.7 31 14.0 -14.1 253 53 307.8 307.9 285.6 310.8 0.90 34 567 4672 -9.3 -39.3 7 30.0 -14.5 253 56 310.3 310.4 285.7 311.1 0.22 35 555 4837 -10.3 -48.3 3 38.0 -15.5 255 63 311.1 311.1 285.8 311.4 0.09 36 500 5630 -17.3 -54.3 2 37.0 -21.0 265 61 311.9 312.0 286.1 312.1 0.05 37 470 6093 -17.1 -48.1 5 31.0 -20.9 275 79 317.8 317.8 288.1 318.2 0.10 38 434 6685 -21.1 -47.1 8 26.0 -24.1 272 89 320.0 320.0 288.9 320.5 0.13 39 415 7013 -23.7 -46.7 10 23.0 -26.2 268 90 320.8 320.8 289.2 321.3 0.14 40 400 7280 -26.3 -44.3 17 18.0 -28.2 265 90 320.8 320.8 289.2 321.5 0.19 41 382 7611 -29.3 -45.3 20 16.0 -30.9 265 91 321.1 321.1 289.3 321.8 0.17 42 372 7800 -30.7 -41.7 33 11.0 -31.9 265 93 321.7 321.7 289.6 322.7 0.26 43 363 7973 -32.3 -46.3 24 14.0 -33.5 265 95 321.8 321.9 289.5 322.4 0.16 44 348 8269 -34.9 -45.9 32 11.0 -35.8 261 96 322.2 322.2 289.6 322.9 0.18 45 342 8390 -35.9 -44.9 39 9.0 -36.6 260 96 322.5 322.5 289.8 323.2 0.20 46 320 8850 -38.7 -51.7 24 13.0 -39.5 255 98 324.8 324.8 290.3 325.2 0.10 47 309 9089 -40.1 -51.1 30 11.0 -40.7 255 104 326.1 326.1 290.7 326.5 0.11 48 302 9245 -41.5 -54.5 23 13.0 -42.1 252 108 326.2 326.3 290.7 326.6 0.08 49 300 9290 -41.7 -55.7 20 14.0 -42.3 250 109 326.6 326.6 290.8 326.9 0.07 50 297 9358 -41.7 -58.7 14 17.0 -42.4 250 111 327.5 327.5 291.0 327.7 0.05 51 293 9450 -42.1 -58.1 16 16.0 -42.8 251 113 328.2 328.2 291.3 328.4 0.05 52 281 9733 -43.3 -57.3 20 14.0 -43.9 252 119 330.5 330.5 291.9 330.7 0.06 53 261 10226 -47.3 -56.3 35 9.0 -47.6 254 130 331.6 331.6 292.2 331.9 0.07 54 254 10406 -48.9 -59.2 29 10.3 -49.3 255 134 331.8 331.8 292.3 332.0 0.05 55 250 10510 -49.9 -60.9 26 11.0 -50.2 255 130 331.9 331.9 292.3 332.1 0.04 56 244 10668 -51.3 -61.3 29 10.0 -51.5 255 134 332.1 332.1 292.3 332.3 0.04 57 200 11940 -57.7 -75.7 8 18.0 -57.9 265 88 341.4 341.4 294.7 341.4 0.01 58 182 12528 -61.1 -78.1 9 17.0 -61.2 260 77 345.2 345.2 295.6 345.2 0.00 59 150 13730 -59.5 -83.5 3 24.0 -59.7 265 66 367.6 367.6 300.1 367.6 0.00 60 100 16240 -60.9 -85.9 2 25.0 -61.2 275 44 410.1 410.1 306.5 410.1 0.00 61 93 16691 -60.5 -86.5 2 26.0 -60.8 281 39 419.4 419.4 307.6 419.5 0.00 62 84 17321 -62.7 -86.7 3 24.0 -63.0 274 24 427.4 427.4 308.6 427.4 0.00 63 82 17470 -60.5 -86.5 2 26.0 -60.9 260 22 434.8 434.8 309.3 434.8 0.00 64 74 18101 -65.3 -87.3 3 22.0 -65.5 212 18 437.7 437.7 309.6 437.7 0.00 65 73 18184 -65.3 -87.3 3 22.0 -65.5 213 18 439.4 439.4 309.8 439.4 0.00 66 70 18440 -63.9 -87.9 2 24.0 -64.1 245 26 447.7 447.7 310.6 447.7 0.00 67 66 18801 -63.3 -88.3 2 25.0 -63.6 249 28 456.6 456.6 311.5 456.6 0.00 68 65 18895 -61.7 -87.7 2 26.0 -62.1 264 29 462.1 462.1 312.0 462.1 0.00 69 57 19699 -66.5 -89.5 3 23.0 -66.7 286 20 468.9 468.9 312.5 468.9 0.00 70 56 19807 -64.9 -88.9 2 24.0 -65.2 280 20 474.9 474.9 313.0 474.9 0.00 71 54 20028 -65.9 -88.9 3 23.0 -66.1 305 13 477.6 477.6 313.2 477.6 0.00 72 52 20258 -65.3 -90.3 2 25.0 -65.6 296 14 484.1 484.1 313.8 484.2 0.00 73 51 20377 -61.5 -89.5 1 28.0 -62.0 281 17 495.7 495.7 314.7 495.8 0.00 74 50 20500 -60.5 -88.5 1 28.0 -61.0 330 19 500.9 500.9 315.0 500.9 0.00 75 46 21017 -62.1 -88.1 2 26.0 -62.6 334 18 509.1 509.1 315.6 509.2 0.00 76 44 21292 -61.7 -88.7 2 27.0 -62.2 322 8 516.6 516.6 316.1 516.6 0.00 77 44 21292 -59.9 -87.9 1 28.0 -60.6 322 8 521.0 521.0 316.4 521.0 0.00 78 31 23467 -62.3 -89.3 2 27.0 -63.0 75 10 569.4 569.4 319.1 569.5 0.00 79 30 23670 -61.5 -89.5 1 28.0 -62.3 335 3 577.0 577.0 319.5 577.0 0.00 80 28 24097 -62.1 -89.1 2 27.0 -62.9 353 8 586.8 586.8 320.0 586.8 0.00 81 27 24322 -60.5 -88.5 1 28.0 -61.4 3 11 597.4 597.4 320.5 597.5 0.01 82 25 24799 -62.5 -89.5 1 27.0 -63.3 358 11 605.0 605.0 320.8 605.0 0.01 83 23 25316 -60.1 -89.1 1 29.0 -61.3 25 10 626.7 626.7 321.7 626.7 0.01 84 20 26190 -58.9 -87.9 1 29.0 -60.4 105 6 655.9 655.9 322.9 655.9 0.01 85 18 26852 -59.3 -88.3 1 29.0 -60.9 121 10 674.7 674.7 323.6 674.7 0.01 86 17 27213 -57.1 -87.1 1 30.0 -59.2 130 11 692.9 692.9 324.2 692.9 0.01 87 16 27597 -57.9 -87.9 1 30.0 -59.9 162 13 702.4 702.4 324.5 702.4 0.01 88 14 28444 -56.1 -87.1 1 31.0 -58.7 145 8 735.8 735.8 325.6 735.9 0.01 89 14 28444 -56.9 -86.9 1 30.0 -59.3 145 8 733.1 733.1 325.4 733.2 0.01 90 12 29425 -55.7 -86.7 1 31.0 -58.7 300 11 770.4 770.4 326.5 770.5 0.02 91 11 29988 -49.5 -83.5 1 34.0 -54.9 222 19 812.3 812.3 327.5 812.6 0.03 92 10 30610 -51.5 -84.5 1 33.0 -56.4 255 9 827.3 827.3 327.9 827.6 0.03 93 8.1 31980 -50.9 -84.9 1 34.0 -56.7 881.1 881.1 329.1 881.4 0.04 TRP 182 12528 -61.1 -78.1 9 17.0 -61.2 260 77 345.2 345.2 295.6 345.2 0.00 WND 254 10406 -48.9 -59.2 29 10.3 -49.3 255 134 331.8 331.8 292.3 332.0 0.05 Sounding variables and indices 1000-500 mb thick: 5522.00 m Freezing level: 749.92 mb = 2496.06 m = 8189.06 ft Wetbulb zero: 755.79 mb = 2432.31 m = 7979.91 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 66.56 % Est. max temperature: 16.37 C = 61.47 F Sfc-Lift cond lev (LCL): 822.03 mb = 1750.58 m = 5743.29 ft T: 5.34 C 700-500 lapse rate: 5.10 C/km ThetaE index: 4.48 C Layer 925.0- 872.0 mb Conv cond level (CCL): 803.33 mb = 1938.50 m = 6359.84 ft Mean mixing ratio: 6.28 g/kg Conv temperature: 15.42 C = 59.75 F Cap Strength: 4.91 C Lifted Index: 3.83 C Risk: None Lifted Index @300 mb: 10.66 C Lifted Index @700 mb: -0.90 C Showalter Index: 3.13 C Risk: None Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 22.50 C K Index: 28.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 147.40 Risk: None Energy Index: -0.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.23 J/kg Max Up Vert Vel: 12.59 m/s Conv Inhibition (B-): 17.25 J/kg Cap Strength: 4.93 C Lift Cond Lev (LCL): 817.27 mb = 1798.05 m = 5899.03 ft Lev Free Conv (LFC): 752.27 mb = 2469.66 m = 8102.47 ft Equ Level (EL): 582.27 mb = 4468.12 m = 14659.00 ft B at Equ Level: 76.75 J/kg Max Parcel Lev (MPL): 542.27 mb = 5013.54 m = 16448.44 ft Wind level data Storm motion: 294 at 31 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 ---------------------------------------------------------- 0 927 751 10 5 -0.9 -4.9 | 105 31 -29.5 8.0 1 925 771 355 9 0.8 -9.0 | 98 28 -27.9 4.0 2 909 914 340 12 4.1 -11.3 | 94 25 -24.6 1.7 3 877 1219 315 14 9.9 -9.9 | 99 19 -18.8 3.1 4 850 1476 295 12 10.9 -5.1 | 114 19 -17.8 7.9 5 814 1829 270 15 15.0 -0.0 | 133 19 -13.7 13.0 6 784 2134 250 21 19.7 7.2 | 156 22 -8.9 20.1 7 755 2438 250 26 24.4 8.9 | 169 22 -4.2 21.8 8 727 2743 245 26 23.6 11.0 | 168 24 -5.1 23.9 9 700 3044 255 25 24.1 6.5 | 167 20 -4.5 19.4 10 646 3658 265 29 28.9 2.5 | 181 15 0.2 15.5 11 597 4267 250 40 37.6 13.7 | 199 28 8.9 26.6 12 551 4877 255 65 62.8 16.8 | 229 45 34.1 29.8 13 500 5630 265 61 60.8 5.3 | 240 37 32.1 18.3 14 489 5791 265 61 60.8 5.3 | 240 37 32.1 18.3 15 469 6096 275 80 79.7 -7.0 | 263 51 51.0 6.0 16 451 6401 275 89 88.7 -7.8 | 265 60 60.0 5.2 17 400 7280 265 90 89.7 7.8 | 251 64 61.0 20.8 18 381 7620 265 91 90.7 7.9 | 251 65 62.0 20.9 19 365 7925 265 95 94.6 8.3 | 252 69 66.0 21.2 20 320 8839 255 98 94.7 25.4 | 240 76 66.0 38.3 21 306 9144 255 105 101.4 27.2 | 241 83 72.8 40.1 22 300 9290 250 109 102.4 37.3 | 236 89 73.8 50.2 23 254 10406 255 134 129.4 34.7 | 245 111 100.8 47.6 24 250 10510 255 130 125.6 33.6 | 244 108 96.9 46.6 25 244 10668 255 134 129.4 34.7 | 245 111 100.8 47.6 26 200 11940 265 88 87.7 7.7 | 251 63 59.0 20.6 27 183 12497 265 80 79.7 7.0 | 249 55 51.0 19.9 28 182 12528 260 77 75.8 13.4 | 241 54 47.2 26.3 29 166 13106 265 77 76.7 6.7 | 248 52 48.0 19.7 30 158 13411 260 71 69.9 12.3 | 238 48 41.3 25.3 31 150 13716 250 73 68.6 25.0 | 226 55 39.9 37.9 32 150 13730 265 66 65.7 5.8 | 243 42 37.1 18.7 33 136 14326 275 53 52.8 -4.6 | 251 26 24.1 8.3 34 123 14935 270 45 45.0 -0.0 | 232 21 16.3 13.0 35 118 15240 265 50 49.8 4.4 | 231 27 21.1 17.3 36 107 15850 255 59 57.0 15.3 | 225 40 28.3 28.2 37 100 16240 275 44 43.8 -3.8 | 239 18 15.2 9.1 38 97 16459 275 44 43.8 -3.8 | 239 18 15.2 9.1 39 87 17069 290 30 28.2 -10.3 | 170 3 -0.5 2.7 40 83 17374 270 23 23.0 -0.0 | 156 14 -5.7 13.0 41 79 17678 235 18 14.7 10.3 | 149 27 -13.9 23.3 42 75 17983 210 18 9.0 15.6 | 145 35 -19.7 28.5 43 72 18288 215 18 10.3 14.7 | 146 33 -18.3 27.7 44 70 18440 245 26 23.6 11.0 | 168 24 -5.1 23.9 45 68 18593 215 25 14.3 20.5 | 157 36 -14.3 33.4 46 65 18898 265 29 28.9 2.5 | 181 15 0.2 15.5 47 59 19507 295 19 17.2 -8.0 | 113 12 -11.4 4.9 48 56 19812 280 20 19.7 -3.5 | 137 13 -9.0 9.5 49 53 20117 315 10 7.1 -7.1 | 105 22 -21.6 5.9 50 51 20422 275 18 17.9 -1.6 | 137 16 -10.7 11.4 51 50 20500 330 19 9.5 -16.5 | 80 19 -19.2 -3.5 52 48 20726 320 20 12.9 -15.3 | 81 16 -15.8 -2.4 53 46 21031 335 18 7.6 -16.3 | 81 21 -21.1 -3.4 54 44 21336 320 6 3.9 -4.6 | 109 26 -24.8 8.4 55 40 21946 360 21 -0.0 -21.0 | 74 30 -28.7 -8.0 56 38 22250 340 14 4.8 -13.2 | 90 24 -23.9 -0.2 57 36 22555 360 10 -0.0 -10.0 | 96 29 -28.7 3.0 58 34 22860 345 3 0.8 -2.9 | 110 30 -27.9 10.1 59 31 23470 75 10 -9.7 -2.6 | 105 40 -38.3 10.4 60 30 23670 335 3 1.3 -2.7 | 110 29 -27.4 10.2 61 27 24384 5 12 -1.0 -12.0 | 92 30 -29.7 1.0 62 24 24994 355 11 1.0 -11.0 | 94 28 -27.7 2.0 63 20 26190 105 6 -5.8 1.6 | 113 37 -34.5 14.5 64 18 26822 120 10 -8.7 5.0 | 116 41 -37.3 18.0 65 16 27432 135 11 -7.8 7.8 | 120 42 -36.4 20.7 66 16 27737 180 14 0.0 14.0 | 133 39 -28.7 27.0 67 15 28042 165 12 -3.1 11.6 | 128 40 -31.8 24.5 68 14 28346 180 10 0.0 10.0 | 129 37 -28.7 23.0 69 13 28956 0 0 -0.0 -0.0 | 114 31 -28.7 13.0 70 12 29566 285 14 13.5 -3.6 | 122 18 -15.1 9.3 71 11 29870 235 18 14.7 10.3 | 149 27 -13.9 23.3 72 11 30175 205 21 8.9 19.0 | 148 38 -19.8 32.0 73 10 30610 255 9 8.7 2.3 | 127 25 -20.0 15.3 Wind Parameters Mean winds (0-6000m): 264.3 at 41.9 knts Storm direction: 294.3 at 31.5 knts Shear (0-3000m) pos: 1.7 neg: 5.0 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 80.8 deg Storm rel helicity (0-3000m) pos: 162.0 neg: -44.7 tot: 117.3 m^2/s^2 ave: 39.1 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 4.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.40 Bulk Shear: 199.53 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 ------------------------------------------------------------------------------- 500 331 12 96 23| 0.0 12.2 12.2| 13.8 -40.1 -26.3 -52.6 -0.20| 15.2 -3.0 1000 311 13 104 20| 0.0 8.0 8.0| 59.0 -40.1 18.8 18.8 0.26| 12.3 3.2 1500 288 15 120 17| 0.0 8.8 8.8|118.1 -40.1 78.0 52.0 0.48| 12.4 6.0 2000 271 17 138 17| 0.0 7.5 7.5|135.9 -42.7 93.2 46.6 0.49| 10.6 5.1 2500 266 19 146 17| 1.2 6.0 7.2|142.8 -44.7 98.1 39.2 0.44| 9.8 4.3 3000 265 21 151 17| 1.7 5.0 6.7|162.0 -44.7 117.3 39.1 0.47| 9.2 4.3 4000 260 26 171 18| 3.5 5.2 8.7|322.9 -44.7 278.2 69.6 0.52| 11.1 5.8 5000 260 34 194 19| 3.5 4.1 7.6|450.6 -44.7 405.9 81.2 0.55| 10.5 5.8 6000 264 42 217 22| 5.2 4.1 9.3|674.2-137.4 536.9 89.5 0.50| 11.9 6.0 Wrote GIF file: /home/apache/climate/data/raob//KTWC/skewt/KTWC.skewt.20251204.00.gif