UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for KTWC... Searching the city database file for: KTWC ... Date:0000Z 27 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 107 SFC 929 751 22.8 9.8 44 13.0 14.7 5 3 302.2 303.8 290.7 326.7 8.21 2 928 760 21.4 10.4 49 11.0 14.6 358 4 300.9 302.5 290.6 326.2 8.56 3 925 788 21.0 10.0 49 11.0 14.2 335 7 300.8 302.3 290.4 325.5 8.36 4 882 1198 17.8 8.8 56 9.0 12.3 343 5 301.6 303.1 290.5 325.6 8.08 5 850 1512 14.6 7.6 63 7.0 10.4 355 3 301.4 302.9 290.1 324.4 7.72 6 827 1743 12.6 8.2 75 4.4 10.0 196 7 301.7 303.2 290.6 326.3 8.28 7 786 2168 10.0 6.8 80 3.2 8.1 202 15 303.3 304.8 290.9 327.0 7.91 8 776 2275 9.4 5.5 77 3.9 7.2 211 17 303.8 305.2 290.5 325.8 7.32 9 760 2448 8.8 -1.2 49 10.0 3.8 225 20 305.0 305.8 288.5 319.1 4.61 10 746 2601 7.6 0.6 61 7.0 3.9 230 24 305.3 306.3 289.2 321.6 5.36 11 729 2791 6.6 -3.4 49 10.0 1.8 233 27 306.2 307.0 288.3 318.8 4.08 12 724 2848 6.4 -1.6 57 8.0 2.4 230 27 306.6 307.5 289.0 321.1 4.70 13 709 3020 5.6 -7.4 39 13.0 -0.2 221 27 307.6 308.1 287.8 317.3 3.09 14 700 3124 4.8 -9.2 35 14.0 -1.1 225 27 307.8 308.3 287.6 316.4 2.72 15 697 3159 4.4 -10.6 33 15.0 -1.7 226 27 307.7 308.2 287.2 315.5 2.44 16 692 3218 4.0 -11.0 33 15.0 -2.1 227 28 307.9 308.4 287.2 315.5 2.38 17 666 3528 2.0 -15.0 27 17.0 -4.2 232 30 309.1 309.4 287.1 314.9 1.79 18 660 3601 1.6 -12.4 34 14.0 -3.8 234 30 309.4 309.8 287.6 316.6 2.23 19 656 3650 1.2 -3.7 70 4.9 -1.2 235 31 309.5 310.3 289.8 323.4 4.44 20 638 3873 0.0 -6.0 64 6.0 -2.7 235 32 310.6 311.3 289.6 322.7 3.83 21 633 3936 -0.3 -2.6 84 2.3 -1.4 235 32 311.0 311.9 290.7 326.6 4.99 22 628 4000 -0.7 -4.5 75 3.8 -2.5 235 33 311.2 312.0 290.3 324.9 4.36 23 617 4141 -1.9 -4.9 80 3.0 -3.3 235 33 311.4 312.2 290.3 325.0 4.31 24 611 4218 -2.5 -5.5 80 3.0 -3.8 235 34 311.6 312.4 290.2 324.7 4.16 25 606 4284 -3.1 -6.3 79 3.2 -4.6 235 34 311.6 312.4 290.0 324.1 3.94 26 602 4336 -3.5 -8.5 68 5.0 -5.6 236 34 311.8 312.4 289.5 322.4 3.34 27 595 4428 -4.3 -8.1 75 3.8 -5.9 237 34 311.9 312.6 289.7 323.0 3.49 28 592 4468 -4.5 -6.0 89 1.5 -5.2 238 35 312.1 312.9 290.3 325.2 4.13 29 587 4535 -5.1 -5.6 96 0.5 -5.3 239 35 312.2 313.0 290.5 325.7 4.29 30 586 4548 -5.3 -5.4 99 0.1 -5.4 239 35 312.1 312.9 290.5 325.9 4.37 31 581 4616 -5.3 -7.3 86 2.0 -6.2 240 35 312.9 313.6 290.3 325.0 3.80 32 578 4656 -5.3 -5.4 99 0.1 -5.4 239 36 313.3 314.2 291.0 327.3 4.43 33 575 4697 -5.3 -5.3 100 0.0 -5.3 238 37 313.8 314.6 291.2 328.0 4.49 34 563 4863 -6.5 -7.0 96 0.5 -6.7 236 39 314.3 315.0 290.9 327.1 4.02 35 554 4989 -6.9 -9.3 83 2.4 -7.9 233 41 315.2 315.9 290.6 326.3 3.41 36 553 5003 -6.9 -9.3 83 2.4 -7.9 233 41 315.4 316.1 290.7 326.4 3.42 37 544 5131 -8.1 -10.0 86 1.9 -8.9 231 42 315.5 316.1 290.6 326.1 3.29 38 518 5509 -11.1 -13.4 83 2.3 -11.9 230 42 316.3 316.8 290.2 324.9 2.63 39 507 5674 -12.1 -17.1 66 5.0 -13.7 230 42 317.0 317.4 289.9 323.6 1.97 40 500 5780 -13.1 -17.7 68 4.6 -14.6 230 42 317.1 317.4 289.8 323.4 1.90 41 491 5919 -14.1 -17.6 75 3.5 -15.2 232 43 317.5 317.9 290.0 324.0 1.95 42 486 5996 -14.7 -15.4 94 0.7 -14.9 233 43 317.7 318.1 290.5 325.5 2.37 43 480 6091 -15.3 -15.7 97 0.4 -15.4 235 44 318.1 318.5 290.5 325.9 2.34 44 477 6138 -15.5 -16.3 94 0.8 -15.7 235 44 318.4 318.8 290.5 325.9 2.24 45 476 6154 -15.5 -18.4 78 2.9 -16.4 235 44 318.6 319.0 290.2 324.9 1.88 46 473 6202 -15.7 -17.9 83 2.2 -16.4 235 45 318.9 319.3 290.5 325.6 1.98 47 455 6494 -17.3 -21.3 71 4.0 -18.4 234 47 320.5 320.8 290.5 325.7 1.53 48 442 6711 -19.1 -21.7 80 2.6 -19.8 233 48 320.9 321.2 290.6 326.1 1.52 49 439 6762 -19.1 -22.4 75 3.3 -20.0 233 49 321.5 321.8 290.7 326.5 1.44 50 400 7450 -23.9 -24.7 93 0.8 -24.1 230 54 323.9 324.2 291.3 328.4 1.29 51 390 7633 -25.5 -25.7 98 0.2 -25.5 230 54 324.2 324.4 291.3 328.4 1.21 52 378 7859 -26.7 -26.7 100 0.0 -26.7 232 56 325.5 325.7 291.6 329.5 1.14 53 375 7916 -26.9 -27.1 98 0.2 -26.9 232 56 326.0 326.2 291.7 329.9 1.11 54 361 8188 -29.5 -30.2 94 0.7 -29.6 234 58 326.1 326.2 291.5 329.2 0.86 55 352 8367 -30.9 -30.9 100 0.0 -30.9 235 60 326.6 326.7 291.6 329.5 0.83 56 300 9480 -38.1 -44.1 53 6.0 -38.6 245 70 331.7 331.7 292.4 332.6 0.25 57 250 10710 -47.9 -55.9 39 8.0 -48.2 240 76 334.9 334.9 293.1 335.2 0.08 58 200 12140 -60.9 -64.9 59 4.0 -61.0 240 76 336.3 336.3 293.4 336.5 0.03 59 184 12653 -65.3 -67.9 70 2.6 -65.3 235 75 337.3 337.3 293.7 337.4 0.02 60 150 13900 -64.7 -79.7 11 15.0 -64.8 235 69 358.6 358.6 298.4 358.6 0.00 61 135 14542 -65.8 -81.4 10 15.5 -66.0 235 85 367.6 367.6 300.1 367.6 0.00 62 100 16350 -69.1 -86.1 7 17.0 -69.2 240 42 394.2 394.2 304.4 394.2 0.00 63 91 16910 -70.9 -85.9 9 15.0 -71.0 225 44 401.4 401.4 305.4 401.4 0.00 64 87 17177 -69.7 -85.7 8 16.0 -69.8 220 47 409.0 409.0 306.4 409.0 0.00 65 79 17747 -71.9 -86.9 9 15.0 -72.0 224 56 415.9 415.9 307.2 415.9 0.00 66 76 17977 -69.3 -85.3 8 16.0 -69.4 235 59 426.0 426.0 308.4 426.0 0.00 67 72 18300 -67.3 -84.3 7 17.0 -67.5 239 52 436.9 436.9 309.6 436.9 0.00 68 71 18385 -67.3 -84.3 7 17.0 -67.5 232 47 438.6 438.6 309.7 438.6 0.00 69 70 18470 -67.7 -84.7 7 17.0 -67.8 225 42 439.5 439.6 309.8 439.6 0.00 70 68 18645 -67.9 -84.9 7 17.0 -68.1 225 42 442.8 442.8 310.1 442.8 0.00 71 63 19111 -62.7 -83.7 4 21.0 -63.0 229 44 464.0 464.0 312.1 464.1 0.01 72 62 19209 -63.5 -83.5 5 20.0 -63.8 231 45 464.4 464.4 312.1 464.4 0.01 73 61 19310 -62.3 -83.3 4 21.0 -62.7 240 40 469.2 469.2 312.5 469.2 0.01 74 51 20401 -68.5 -86.5 6 18.0 -68.7 290 25 479.3 479.3 313.4 479.4 0.00 75 50 20520 -67.5 -87.5 4 20.0 -67.7 270 17 484.4 484.4 313.8 484.4 0.00 76 47 20895 -64.7 -85.7 4 21.0 -65.0 296 20 499.8 499.8 314.9 499.8 0.01 77 40 21874 -67.7 -87.7 4 20.0 -67.9 328 18 515.8 515.8 316.0 515.9 0.00 78 39 22026 -67.1 -87.1 4 20.0 -67.4 324 17 521.1 521.1 316.4 521.1 0.01 79 38 22185 -62.9 -85.9 3 23.0 -63.4 303 17 535.7 535.7 317.3 535.7 0.01 80 33 23048 -65.7 -87.7 3 22.0 -66.1 311 14 550.3 550.3 318.1 550.4 0.01 81 31 23430 -64.1 -87.1 3 23.0 -64.6 329 14 564.6 564.6 318.9 564.6 0.01 82 30 23630 -65.1 -88.1 3 23.0 -65.6 340 14 567.2 567.2 319.0 567.2 0.01 83 28 24050 -64.5 -87.5 3 23.0 -65.1 349 15 580.1 580.1 319.7 580.2 0.01 84 27 24271 -66.1 -89.1 3 23.0 -66.6 337 18 581.7 581.7 319.8 581.7 0.01 85 25 24741 -62.3 -87.3 2 25.0 -63.1 306 17 605.6 605.6 320.9 605.6 0.01 86 23 25251 -64.7 -88.7 2 24.0 -65.4 217 10 613.1 613.1 321.2 613.2 0.01 87 20 26110 -61.3 -88.3 2 27.0 -62.4 280 32 648.5 648.5 322.6 648.6 0.01 88 20 26110 -61.3 -88.3 2 27.0 -62.4 280 32 648.5 648.5 322.6 648.6 0.01 89 18 26765 -60.5 -88.5 1 28.0 -61.9 292 30 670.9 670.9 323.4 671.0 0.01 90 17 27122 -58.1 -88.1 1 30.0 -59.9 287 32 689.7 689.7 324.1 689.7 0.01 91 17 27122 -57.7 -87.7 1 30.0 -59.6 287 32 690.9 690.9 324.1 691.0 0.01 92 16 27504 -58.5 -88.5 1 30.0 -60.3 281 32 700.4 700.4 324.4 700.5 0.01 93 16 27504 -56.5 -87.5 1 31.0 -58.7 281 32 706.9 706.9 324.7 707.0 0.01 94 15 27912 -58.1 -88.1 1 30.0 -60.2 284 22 714.8 714.8 324.9 714.9 0.01 95 14 28349 -55.1 -87.1 1 32.0 -58.0 281 22 739.2 739.2 325.6 739.3 0.01 96 13 28823 -54.3 -87.3 1 33.0 -57.6 299 19 757.8 757.8 326.1 757.9 0.01 97 11 29887 -57.1 -88.1 1 31.0 -60.0 269 18 784.7 784.7 326.8 784.8 0.01 98 10 30490 -56.9 -88.9 1 32.0 -60.0 255 23 807.2 807.2 327.4 807.3 0.01 99 8.9 31233 -54.3 -87.3 1 33.0 -58.5 844.5 844.6 328.2 844.7 0.02 100 8.3 31679 -55.5 -88.5 1 33.0 -59.5 856.8 856.9 328.5 857.0 0.02 101 8.0 31914 -55.3 -88.3 1 33.0 -59.5 866.7 866.7 328.8 866.9 0.02 102 7.7 32160 -50.5 -87.5 0 37.0 -56.7 895.5 895.6 329.4 895.8 0.02 103 7.4 32418 -52.3 -86.3 1 34.0 -57.9 898.5 898.5 329.4 898.8 0.03 104 7.1 32686 -51.9 -84.9 1 33.0 -57.8 910.8 910.8 329.7 911.2 0.04 TRP 184 12653 -65.3 -67.9 70 2.6 -65.3 235 75 337.3 337.3 293.7 337.4 0.02 WND 135 14542 -65.8 -81.4 10 15.5 -66.0 235 85 367.6 367.6 300.1 367.6 0.00 Sounding variables and indices 1000-500 mb thick: 5673.00 m Freezing level: 638.00 mb = 3873.30 m = 12707.54 ft Wetbulb zero: 709.92 mb = 3008.90 m = 9871.60 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 66.79 % Est. max temperature: 24.18 C = 75.53 F Sfc-Lift cond lev (LCL): 766.56 mb = 2376.38 m = 7796.41 ft T: 9.05 C 700-500 lapse rate: 6.74 C/km ThetaE index: 7.91 C Layer 776.0- 746.0 mb Conv cond level (CCL): 708.86 mb = 3021.14 m = 9911.75 ft Mean mixing ratio: 8.07 g/kg Conv temperature: 28.00 C = 82.41 F Cap Strength: 2.69 C Lifted Index: 0.47 C Risk: Showers probable Lifted Index @300 mb: 5.24 C Lifted Index @700 mb: 2.23 C Showalter Index: 0.94 C Risk: Thunderstorms probable Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 20.70 C K Index: 21.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 139.20 Risk: None Energy Index: -0.18 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.94 J/kg Max Up Vert Vel: 2.43 m/s Conv Inhibition (B-): 45151.77 J/kg Cap Strength: 2.64 C Lift Cond Lev (LCL): 773.32 mb = 2303.48 m = 7557.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 22 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 ---------------------------------------------------------- 0 929 751 5 3 -0.3 -3.0 | 76 23 -21.9 -5.6 1 925 788 335 7 3.0 -6.3 | 64 21 -18.6 -8.9 2 911 914 325 9 5.2 -7.4 | 59 19 -16.4 -9.9 3 880 1219 345 5 1.3 -4.8 | 70 22 -20.3 -7.4 4 850 1512 355 3 0.3 -3.0 | 75 22 -21.3 -5.6 5 849 1524 90 1 -1.0 0.0 | 84 23 -22.6 -2.6 6 818 1829 240 9 7.8 4.5 | 98 14 -13.8 1.9 7 789 2134 200 15 5.1 14.1 | 125 20 -16.5 11.5 8 760 2438 225 20 14.1 14.1 | 147 14 -7.4 11.6 9 733 2743 235 27 22.1 15.5 | 182 13 0.5 12.9 10 706 3048 220 27 17.4 20.7 | 167 19 -4.2 18.1 11 700 3124 225 27 19.1 19.1 | 171 17 -2.5 16.5 12 654 3658 235 31 25.4 17.8 | 194 16 3.8 15.2 13 606 4267 235 34 27.9 19.5 | 200 18 6.3 16.9 14 583 4572 240 35 30.3 17.5 | 210 17 8.7 14.9 15 561 4877 235 40 32.8 22.9 | 209 23 11.2 20.4 16 539 5182 230 42 32.2 27.0 | 203 27 10.6 24.4 17 500 5780 230 42 32.2 27.0 | 203 27 10.6 24.4 18 479 6096 235 44 36.0 25.2 | 213 27 14.5 22.7 19 400 7450 230 54 41.4 34.7 | 212 38 19.8 32.1 20 390 7620 230 54 41.4 34.7 | 212 38 19.8 32.1 21 315 9144 240 66 57.2 33.0 | 229 47 35.6 30.4 22 300 9480 245 70 63.4 29.6 | 237 50 41.9 27.0 23 250 10710 240 76 65.8 38.0 | 231 57 44.2 35.4 24 229 11278 240 78 67.5 39.0 | 232 59 46.0 36.4 25 200 12140 240 76 65.8 38.0 | 231 57 44.2 35.4 26 184 12653 235 75 61.4 43.0 | 225 57 39.8 40.4 27 171 13106 235 81 66.4 46.5 | 226 63 44.8 43.9 28 155 13716 245 75 68.0 31.7 | 238 55 46.4 29.1 29 150 13900 235 69 56.5 39.6 | 223 51 34.9 37.0 30 140 14326 235 68 55.7 39.0 | 223 50 34.1 36.4 31 135 14542 235 85 69.6 48.8 | 226 67 48.0 46.2 32 133 14630 235 85 69.6 48.8 | 226 67 48.0 46.2 33 120 15240 230 73 55.9 46.9 | 218 56 34.3 44.3 34 114 15545 235 81 66.4 46.5 | 226 63 44.8 43.9 35 103 16154 240 75 65.0 37.5 | 231 56 43.4 34.9 36 100 16350 240 42 36.4 21.0 | 219 24 14.8 18.4 37 98 16459 240 43 37.2 21.5 | 220 25 15.6 18.9 38 89 17069 220 45 28.9 34.5 | 193 33 7.3 31.9 39 80 17678 220 55 35.4 42.1 | 199 42 13.8 39.6 40 76 17983 235 59 48.3 33.8 | 221 41 26.7 31.3 41 72 18288 240 53 45.9 26.5 | 225 34 24.3 23.9 42 70 18470 225 42 29.7 29.7 | 197 28 8.1 27.1 43 65 18898 225 43 30.4 30.4 | 198 29 8.8 27.8 44 62 19202 230 45 34.5 28.9 | 206 29 12.9 26.4 45 56 19812 285 15 14.5 -3.9 | 48 10 -7.1 -6.5 46 51 20422 290 25 23.5 -8.6 | 350 11 1.9 -11.1 47 50 20520 270 17 17.0 -0.0 | 61 5 -4.6 -2.6 48 48 20726 290 21 19.7 -7.2 | 11 10 -1.9 -9.8 49 46 21031 300 19 16.5 -9.5 | 23 13 -5.1 -12.1 50 44 21336 310 17 13.0 -10.9 | 32 16 -8.6 -13.5 51 42 21641 305 20 16.4 -11.5 | 20 15 -5.2 -14.0 52 40 21946 335 17 7.2 -15.4 | 39 23 -14.4 -18.0 53 38 22250 295 17 15.4 -7.2 | 32 12 -6.2 -9.8 54 36 22555 330 16 8.0 -13.9 | 40 21 -13.6 -16.4 55 34 22860 305 14 11.5 -8.0 | 44 15 -10.1 -10.6 56 32 23165 315 14 9.9 -9.9 | 43 17 -11.7 -12.5 57 30 23630 340 14 4.8 -13.2 | 47 23 -16.8 -15.7 58 28 24079 350 15 2.6 -14.8 | 48 26 -19.0 -17.3 59 27 24384 330 20 10.0 -17.3 | 30 23 -11.6 -19.9 60 25 24689 310 18 13.8 -11.6 | 29 16 -7.8 -14.1 61 24 24994 290 11 10.3 -3.8 | 61 13 -11.3 -6.3 62 23 25298 205 10 4.2 9.1 | 110 19 -17.4 6.5 63 22 25603 270 13 13.0 -0.0 | 73 9 -8.6 -2.6 64 20 26110 280 32 31.5 -5.6 | 309 13 9.9 -8.1 65 20 26213 290 23 21.6 -7.9 | 360 10 0.0 -10.4 66 19 26518 275 27 26.9 -2.4 | 313 7 5.3 -4.9 67 18 26822 295 30 27.2 -12.7 | 340 16 5.6 -15.3 68 16 27432 280 34 33.5 -5.9 | 305 15 11.9 -8.5 69 15 28042 285 19 18.4 -4.9 | 23 8 -3.2 -7.5 70 14 28346 280 22 21.7 -3.8 | 359 6 0.1 -6.4 71 13 28651 305 20 16.4 -11.5 | 20 15 -5.2 -14.0 72 12 29261 285 18 17.4 -4.7 | 30 8 -4.2 -7.2 73 12 29566 300 16 13.9 -8.0 | 36 13 -7.7 -10.6 74 11 29870 270 18 18.0 -0.0 | 54 4 -3.6 -2.6 75 11 30175 260 23 22.7 4.0 | 217 2 1.1 1.4 76 10 30490 255 23 22.2 6.0 | 191 3 0.6 3.4 Wind Parameters Mean winds (0-6000m): 233.2 at 29.0 knts Storm direction: 263.2 at 21.7 knts Shear (0-3000m) pos: 4.5 neg: 2.2 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 119.4 deg Storm rel helicity (0-3000m) pos: 211.8 neg: -49.8 tot: 162.0 m^2/s^2 ave: 54.0 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 12.5 stream: 6.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 126.28 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 ------------------------------------------------------------------------------- 500 333 7 65 20| 0.0 2.2 2.2| 20.7 -31.7 -11.0 -22.0 -0.18| 11.1 -2.0 1000 329 5 69 20| 0.0 5.1 5.1| 92.7 -31.7 61.0 61.0 0.40| 13.0 5.2 1500 257 8 87 14| 3.5 3.4 6.8|132.4 -32.9 99.5 66.3 0.44| 14.8 6.5 2000 237 11 106 13| 5.5 2.5 8.1|177.0 -32.9 144.1 72.1 0.54| 14.7 8.0 2500 232 14 122 12| 4.4 2.6 7.1|189.8 -49.8 140.0 56.0 0.44| 13.9 6.1 3000 232 17 135 11| 4.5 2.2 6.7|211.8 -49.8 162.0 54.0 0.48| 12.5 6.0 4000 234 22 157 11| 3.9 1.9 5.8|232.8 -50.6 182.1 45.5 0.48| 10.5 5.1 5000 233 26 175 13| 3.1 2.1 5.3|232.8 -67.7 165.1 33.0 0.42| 9.1 3.8 6000 233 29 186 15| 2.9 2.1 5.1|263.0 -68.5 194.6 32.4 0.42| 8.4 3.5 Wrote GIF file: /home/apache/climate/data/raob//KTWC/skewt/KTWC.skewt.20251227.00.gif