UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120418.upa.cvt Date: 1800Z 4 DEC 25 Searching for KTWC... Searching the city database file for: KTWC ... Date:1800Z 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 186 SFC 935 751 11.8 4.8 62 7.0 8.1 10 3 290.5 291.5 284.2 307.0 5.77 2 932 778 10.8 2.8 58 8.0 6.8 44 3 289.7 290.6 283.1 304.1 5.02 3 925 841 10.2 3.2 62 7.0 6.6 125 3 289.7 290.7 283.2 304.7 5.21 4 899 1077 7.8 3.1 72 4.7 5.4 110 6 289.6 290.6 283.4 304.9 5.32 5 886 1197 7.0 1.0 66 6.0 4.1 85 8 290.0 290.8 282.7 303.4 4.64 6 872 1328 8.6 -6.4 34 15.0 2.3 89 8 293.0 293.5 281.8 301.1 2.71 7 850 1539 6.8 -6.2 39 13.0 1.4 105 8 293.3 293.8 282.0 301.7 2.83 8 846 1578 6.4 -5.6 42 12.0 1.3 110 8 293.2 293.8 282.2 302.1 2.97 9 832 1714 5.2 -2.8 56 8.0 1.6 129 10 293.4 294.1 283.1 304.4 3.74 10 813 1902 3.6 -2.4 65 6.0 0.9 147 10 293.6 294.3 283.5 305.2 3.94 11 811 1922 3.4 -4.6 56 8.0 -0.0 148 10 293.6 294.2 282.8 303.5 3.35 12 809 1942 3.6 -8.4 41 12.0 -1.1 149 10 294.0 294.5 282.0 301.6 2.50 13 808 1952 3.8 -10.2 35 14.0 -1.5 149 9 294.4 294.8 281.7 301.0 2.17 14 802 2012 4.2 -17.8 18 22.0 -2.8 151 9 295.4 295.6 281.0 299.1 1.17 15 795 2084 4.0 -23.0 12 27.0 -3.6 153 8 295.9 296.1 280.6 298.4 0.76 16 744 2619 0.8 -29.2 8 30.0 -6.4 123 7 298.1 298.2 281.2 299.7 0.46 17 717 2914 -1.7 -30.7 9 29.0 -8.2 126 7 298.5 298.6 281.3 299.9 0.41 18 702 3082 -1.9 -36.9 5 35.0 -8.7 143 4 300.1 300.2 281.7 300.9 0.23 19 700 3105 -1.9 -37.9 4 36.0 -8.8 145 4 300.4 300.4 281.8 301.1 0.21 20 697 3139 -1.9 -37.9 4 36.0 -8.8 152 4 300.7 300.8 282.0 301.5 0.21 21 663 3534 -3.9 -43.9 3 40.0 -10.5 229 8 302.8 302.9 282.7 303.3 0.12 22 647 3727 -3.5 -48.5 2 45.0 -10.4 264 9 305.4 305.4 283.7 305.7 0.07 23 641 3801 -2.3 275 9 307.6 24 614 4141 -2.5 -45.5 2 43.0 -10.0 292 14 311.2 311.2 285.9 311.6 0.11 25 500 5730 -15.1 -40.1 10 25.0 -19.0 260 24 314.6 314.7 287.2 315.5 0.23 26 492 5852 -16.3 -38.3 13 22.0 -19.8 265 24 314.6 314.7 287.3 315.6 0.28 27 480 6038 -17.1 -42.1 9 25.0 -20.6 272 24 315.9 315.9 287.6 316.6 0.20 28 475 6117 -17.5 -39.5 13 22.0 -20.8 275 24 316.3 316.4 287.8 317.3 0.26 29 430 6855 -24.1 -38.1 26 14.0 -26.0 260 32 317.0 317.1 288.2 318.2 0.33 30 422 6992 -24.9 -31.9 52 7.0 -26.1 258 33 317.7 317.8 288.7 319.9 0.63 31 417 7079 -25.5 -34.5 43 9.0 -26.8 256 34 318.0 318.1 288.6 319.8 0.49 32 413 7149 -25.9 -32.9 52 7.0 -27.0 255 35 318.4 318.5 288.9 320.5 0.58 33 406 7273 -27.1 -34.1 51 7.0 -28.1 252 36 318.4 318.5 288.8 320.3 0.53 34 404 7308 -27.3 -35.3 47 8.0 -28.4 251 36 318.6 318.7 288.8 320.3 0.47 35 403 7326 -27.5 -40.5 28 13.0 -29.0 251 36 318.6 318.6 288.6 319.6 0.28 36 400 7380 -27.9 -39.9 31 12.0 -29.3 250 37 318.7 318.8 288.7 319.8 0.30 37 390 7561 -29.5 -43.5 25 14.0 -30.9 250 38 318.9 319.0 288.6 319.7 0.21 38 389 7579 -29.7 -41.7 30 12.0 -31.0 250 38 318.9 319.0 288.7 319.9 0.25 39 386 7635 -30.1 -44.1 24 14.0 -31.4 250 38 319.1 319.1 288.7 319.8 0.20 40 384 7671 -30.3 -41.3 33 11.0 -31.4 249 38 319.3 319.4 288.8 320.3 0.27 41 377 7802 -31.5 -42.5 33 11.0 -32.6 247 40 319.4 319.5 288.8 320.3 0.24 42 373 7877 -31.7 -46.7 21 15.0 -33.0 246 40 320.1 320.2 288.9 320.7 0.15 43 362 8088 -33.3 -45.3 29 12.0 -34.3 246 42 320.7 320.8 289.2 321.4 0.18 44 355 8225 -33.9 -46.9 26 13.0 -34.9 246 42 321.7 321.8 289.5 322.3 0.16 45 332 8690 -38.3 -46.3 43 8.0 -38.9 248 45 321.9 322.0 289.5 322.6 0.18 46 317 9006 -40.5 -47.5 47 7.0 -40.9 249 46 323.1 323.2 289.9 323.8 0.17 47 316 9028 -40.5 -49.5 37 9.0 -41.0 249 46 323.4 323.5 289.9 323.9 0.13 48 309 9180 -41.5 -50.5 37 9.0 -42.0 249 49 324.1 324.1 290.2 324.6 0.12 49 306 9246 -41.9 -53.9 26 12.0 -42.5 246 54 324.5 324.5 290.2 324.8 0.08 50 305 9268 -41.9 -56.9 18 15.0 -42.5 245 55 324.8 324.8 290.3 325.0 0.06 51 303 9313 -41.7 -55.7 20 14.0 -42.3 243 58 325.7 325.7 290.5 325.9 0.07 52 300 9380 -41.9 -55.9 20 14.0 -42.5 240 63 326.3 326.3 290.7 326.6 0.07 53 279 9867 -45.7 -55.7 31 10.0 -46.1 235 81 327.7 327.7 291.2 328.0 0.07 54 277 9915 -46.0 -56.3 31 10.2 -46.4 235 83 327.8 327.9 291.2 328.1 0.07 55 260 10334 -49.1 -61.1 23 12.0 -49.4 235 79 329.4 329.4 291.6 329.5 0.04 56 256 10435 -49.7 -61.7 23 12.0 -50.0 235 78 329.9 329.9 291.7 330.1 0.04 57 250 10590 -50.7 -65.7 15 15.0 -51.0 235 76 330.7 330.7 291.9 330.8 0.02 58 200 12020 -54.9 -77.9 4 23.0 -55.2 250 36 345.8 345.8 295.7 345.8 0.00 59 150 13840 -60.1 -85.1 2 25.0 -60.3 265 19 366.5 366.5 299.9 366.5 0.00 60 139 14314 -62.1 -85.1 3 23.0 -62.3 300 15 371.1 371.1 300.8 371.1 0.00 61 100 16350 -62.5 -87.5 2 25.0 -62.7 270 5 407.0 407.0 306.1 407.0 0.00 62 93 16793 -64.9 -87.9 3 23.0 -65.1 286 10 410.8 410.8 306.6 410.8 0.00 63 89 17061 -63.3 -88.3 2 25.0 -63.5 300 14 419.2 419.2 307.6 419.2 0.00 64 82 17561 -64.9 -87.9 3 23.0 -65.1 302 11 425.8 425.8 308.4 425.8 0.00 65 81 17636 -63.5 -88.5 2 25.0 -63.7 310 11 430.2 430.2 308.9 430.2 0.00 66 77 17945 -64.1 -89.1 2 25.0 -64.3 311 10 435.2 435.2 309.4 435.2 0.00 67 76 18025 -61.9 -88.9 2 27.0 -62.2 313 10 441.5 441.5 310.0 441.5 0.00 68 72 18357 -63.5 -88.5 2 25.0 -63.8 329 10 444.9 444.9 310.4 444.9 0.00 69 70 18530 -62.5 -88.5 2 26.0 -62.8 325 7 450.7 450.7 310.9 450.7 0.00 70 69 18619 -62.5 -88.5 2 26.0 -62.8 275 1 452.5 452.5 311.1 452.5 0.00 71 62 19270 -67.3 -89.3 3 22.0 -67.5 284 5 456.0 456.0 311.4 456.0 0.00 72 60 19468 -67.5 -89.5 3 22.0 -67.7 287 6 459.8 459.8 311.8 459.8 0.00 73 57 19777 -66.5 -90.5 2 24.0 -66.7 291 8 468.9 468.9 312.5 468.9 0.00 74 54 20107 -62.3 -90.3 1 28.0 -62.7 295 10 485.9 485.9 313.9 485.9 0.00 75 50 20580 -64.1 -90.1 2 26.0 -64.4 35 8 492.4 492.4 314.4 492.4 0.00 76 44 21356 -67.1 -91.1 2 24.0 -67.4 7 11 503.4 503.4 315.2 503.4 0.00 77 40 21936 -63.1 -90.1 1 27.0 -63.6 15 12 527.4 527.4 316.8 527.4 0.00 78 36 22581 -64.5 -90.5 2 26.0 -65.0 52 15 539.9 539.9 317.5 539.9 0.00 79 32 23303 -62.9 -89.9 1 27.0 -63.5 174 7 562.7 562.7 318.8 562.7 0.00 80 31 23498 -64.1 -91.1 1 27.0 -64.7 201 5 564.6 564.6 318.9 564.6 0.00 81 30 23700 -61.5 -90.5 1 29.0 -62.3 230 3 577.0 577.0 319.5 577.0 0.00 82 29 23911 -61.3 -90.3 1 29.0 -62.1 253 4 583.2 583.2 319.8 583.2 0.00 83 25 24830 -63.1 -90.1 1 27.0 -63.8 8 12 603.3 603.3 320.7 603.3 0.00 84 23 25348 -60.1 -90.1 1 30.0 -61.3 12 11 626.7 626.7 321.7 626.7 0.00 85 21 25915 -61.3 -90.3 1 29.0 -62.4 94 7 639.5 639.6 322.3 639.6 0.01 86 20 26220 -58.3 -89.3 1 31.0 -59.9 165 4 657.7 657.7 323.0 657.8 0.01 87 18 26885 -57.9 -88.9 1 31.0 -59.7 290 1 679.1 679.1 323.7 679.2 0.01 88 17 27247 -56.3 -88.3 1 32.0 -58.5 117 4 695.4 695.4 324.3 695.5 0.01 89 15 28039 -58.3 -88.3 1 30.0 -60.3 195 9 714.1 714.1 324.9 714.2 0.01 90 14 28476 -55.5 -88.5 1 33.0 -58.3 199 10 737.8 737.9 325.6 737.9 0.01 91 13 28952 -53.5 -86.5 1 33.0 -57.0 222 20 760.6 760.6 326.2 760.7 0.02 92 13 28952 -54.3 -87.3 1 33.0 -57.6 222 20 757.8 757.8 326.1 757.9 0.01 93 12 29468 -51.9 -85.9 1 34.0 -56.1 227 26 783.9 783.9 326.8 784.0 0.02 94 12 29468 -52.3 -85.3 1 33.0 -56.4 227 26 782.4 782.5 326.8 782.6 0.02 95 10 30660 -47.9 -83.9 1 36.0 -54.3 175 10 840.7 840.8 328.2 841.1 0.03 96 9.0 31357 -46.5 -83.5 1 37.0 -53.9 871.9 871.9 328.8 872.3 0.04 97 8.2 31973 -48.5 -84.5 1 36.0 -55.4 887.5 887.5 329.2 887.8 0.04 TRP 139 14314 -62.1 -85.1 3 23.0 -62.3 300 15 371.1 371.1 300.8 371.1 0.00 WND 277 9915 -46.0 -56.3 31 10.2 -46.4 235 83 327.8 327.9 291.2 328.1 0.07 Sounding variables and indices 1000-500 mb thick: 5544.00 m Freezing level: 735.36 mb = 2713.42 m = 8902.17 ft Wetbulb zero: 811.08 mb = 1921.04 m = 6302.54 ft Precipitable water: 0.27 inches Sfc-500 mean rel hum: 19.11 % Est. max temperature: 17.57 C = 63.63 F Sfc-Lift cond lev (LCL): 840.93 mb = 1626.82 m = 5337.29 ft T: 5.97 C 700-500 lapse rate: 5.03 C/km ThetaE index: 6.86 C Layer 811.0- 744.0 mb Conv cond level (CCL): 575.59 mb = 4641.09 m = 15226.47 ft Mean mixing ratio: 4.10 g/kg Conv temperature: 33.23 C = 91.82 F Cap Strength: 12.19 C Lifted Index: 11.60 C Risk: None Lifted Index @300 mb: 16.44 C Lifted Index @700 mb: 5.70 C Showalter Index: 12.68 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 8.90 C K Index: -20.30 Risk: None Sweat Index: 40.00 Risk: None Energy Index: 2.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.63 J/kg Max Up Vert Vel: 6.87 m/s Conv Inhibition (B-): 58303.04 J/kg Cap Strength: 12.20 C Lift Cond Lev (LCL): 772.35 mb = 2316.97 m = 7601.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 11 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 ---------------------------------------------------------- 0 935 751 10 3 -0.5 -3.0 | 94 11 -10.5 0.8 1 925 841 125 3 -2.5 1.7 | 114 14 -12.4 5.5 2 917 914 145 3 -1.7 2.5 | 118 13 -11.7 6.2 3 884 1219 80 8 -7.9 -1.4 | 97 18 -17.8 2.3 4 850 1539 105 8 -7.7 2.1 | 108 19 -17.7 5.8 5 820 1829 145 11 -6.3 9.0 | 128 21 -16.3 12.7 6 790 2134 155 7 -3.0 6.3 | 128 16 -12.9 10.1 7 760 2438 140 5 -3.2 3.8 | 120 15 -13.2 7.6 8 732 2743 110 9 -8.5 3.1 | 110 20 -18.4 6.8 9 700 3105 145 4 -2.3 3.3 | 120 14 -12.3 7.0 10 652 3658 255 9 8.7 2.3 | 168 6 -1.3 6.1 11 627 3962 300 10 8.7 -5.0 | 46 2 -1.3 -1.3 12 603 4267 285 18 17.4 -4.7 | 277 7 7.4 -0.9 13 558 4877 275 21 20.9 -1.8 | 260 11 11.0 1.9 14 536 5182 260 20 19.7 3.5 | 233 12 9.7 7.2 15 500 5730 260 24 23.6 4.2 | 240 16 13.7 7.9 16 476 6096 275 24 23.9 -2.1 | 263 14 13.9 1.6 17 400 7380 250 37 34.8 12.7 | 237 30 24.8 16.4 18 386 7620 250 38 35.7 13.0 | 237 31 25.7 16.7 19 370 7925 245 41 37.2 17.3 | 232 34 27.2 21.1 20 310 9144 250 47 44.2 16.1 | 240 40 34.2 19.8 21 300 9380 240 63 54.6 31.5 | 232 57 44.6 35.2 22 277 9915 235 83 68.0 47.6 | 228 77 58.0 51.3 23 271 10058 235 83 68.0 47.6 | 228 77 58.0 51.3 24 250 10590 235 76 62.3 43.6 | 228 71 52.3 47.3 25 225 11278 235 75 61.4 43.0 | 228 70 51.5 46.8 26 200 12020 250 36 33.8 12.3 | 236 29 23.9 16.0 27 195 12192 250 36 33.8 12.3 | 236 29 23.9 16.0 28 177 12802 255 33 31.9 8.5 | 241 25 21.9 12.3 29 168 13106 270 25 25.0 -0.0 | 256 15 15.0 3.7 30 161 13411 260 17 16.7 3.0 | 225 10 6.8 6.7 31 153 13716 255 20 19.3 5.2 | 226 13 9.3 8.9 32 150 13840 265 19 18.9 1.7 | 239 10 9.0 5.4 33 139 14314 300 15 13.0 -7.5 | 321 5 3.0 -3.8 34 139 14326 275 17 16.9 -1.5 | 252 7 7.0 2.3 35 132 14630 300 14 12.1 -7.0 | 327 4 2.2 -3.3 36 120 15240 295 11 10.0 -4.6 | 360 1 0.0 -0.9 37 114 15545 320 10 6.4 -7.7 | 42 5 -3.5 -3.9 38 100 16350 270 5 5.0 -0.0 | 127 6 -5.0 3.7 39 98 16459 270 5 5.0 -0.0 | 127 6 -5.0 3.7 40 89 17069 300 14 12.1 -7.0 | 327 4 2.2 -3.3 41 85 17374 280 10 9.8 -1.7 | 177 2 -0.1 2.0 42 80 17678 315 11 7.8 -7.8 | 28 5 -2.2 -4.0 43 77 17983 310 10 7.7 -6.4 | 41 4 -2.3 -2.7 44 73 18288 330 11 5.5 -9.5 | 38 7 -4.5 -5.8 45 70 18530 325 7 4.0 -5.7 | 71 6 -6.0 -2.0 46 69 18593 275 1 1.0 -0.1 | 112 10 -9.0 3.6 47 54 20117 295 10 9.1 -4.2 | 61 1 -0.9 -0.5 48 51 20422 5 20 -1.7 -19.9 | 36 20 -11.7 -16.2 49 50 20580 35 8 -4.6 -6.6 | 79 15 -14.6 -2.8 50 49 20726 25 17 -7.2 -15.4 | 56 21 -17.2 -11.7 51 46 21031 30 8 -4.0 -6.9 | 77 14 -14.0 -3.2 52 44 21336 5 11 -1.0 -11.0 | 57 13 -10.9 -7.2 53 42 21641 35 10 -5.7 -8.2 | 74 16 -15.7 -4.5 54 40 21946 15 12 -3.1 -11.6 | 59 15 -13.1 -7.9 55 38 22250 15 10 -2.6 -9.7 | 65 14 -12.6 -5.9 56 36 22555 45 15 -10.6 -10.6 | 72 22 -20.6 -6.9 57 34 22860 110 11 -10.3 3.8 | 110 22 -20.3 7.5 58 30 23700 230 3 2.3 1.9 | 126 10 -7.7 5.7 59 27 24384 305 7 5.7 -4.0 | 86 4 -4.2 -0.3 60 26 24689 10 11 -1.9 -10.8 | 59 14 -11.9 -7.1 61 24 24994 5 13 -1.1 -13.0 | 50 14 -11.1 -9.2 62 23 25298 10 11 -1.9 -10.8 | 59 14 -11.9 -7.1 63 22 25603 20 11 -3.8 -10.3 | 64 15 -13.7 -6.6 64 20 26220 165 4 -1.0 3.9 | 125 13 -11.0 7.6 65 18 26822 250 1 0.9 0.3 | 114 10 -9.0 4.1 66 17 27127 60 1 -0.9 -0.5 | 107 11 -10.8 3.2 67 17 27432 190 8 1.4 7.9 | 144 14 -8.6 11.6 68 14 28651 200 10 3.4 9.4 | 153 15 -6.5 13.1 69 12 29261 240 29 25.1 14.5 | 220 24 15.1 18.2 70 11 30175 190 16 2.8 15.8 | 160 21 -7.2 19.5 71 10 30660 175 10 -0.9 10.0 | 142 17 -10.8 13.7 Wind Parameters Mean winds (0-6000m): 260.5 at 14.2 knts Storm direction: 290.5 at 10.6 knts Shear (0-3000m) pos: 2.7 neg: 1.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 76.2 deg Storm rel helicity (0-3000m) pos: 111.3 neg: -47.2 tot: 64.1 m^2/s^2 ave: 21.4 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 9.7 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.50 Bulk Shear: 47.25 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 96 5 106 15| 7.9 0.0 7.9| 15.4 -23.5 -8.0 -16.1 -0.04| 13.3 -0.5 1000 103 7 108 17| 6.2 0.0 6.2| 55.3 -23.5 31.9 31.9 0.35| 10.9 3.8 1500 122 7 115 18| 3.0 0.0 3.0| 67.5 -28.3 39.2 26.1 0.30| 9.7 2.9 2000 124 7 116 18| 2.2 1.4 3.7| 67.5 -47.2 20.4 10.2 0.13| 9.0 1.1 2500 125 7 116 17| 2.4 1.1 3.5| 90.6 -47.2 43.5 17.4 0.23| 8.9 2.0 3000 136 7 120 17| 2.7 1.0 3.7|111.3 -47.2 64.1 21.4 0.30| 9.7 2.9 4000 224 9 161 11| 2.9 0.2 3.1|111.3 -57.3 54.0 13.5 0.07| 9.6 0.7 5000 254 12 190 7| 2.7 0.7 3.3|117.6 -74.5 43.1 8.6 0.02| 8.7 0.1 6000 261 14 214 7| 2.4 1.0 3.4|138.7 -94.6 44.1 7.4 0.03| 8.5 0.2 Wrote GIF file: /home/apache/climate/data/raob//KTWC/skewt/KTWC.skewt.20251204.18.gif