UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122618.upa.cvt Date: 1800Z 26 DEC 25 Searching for KTWC... Searching the city database file for: KTWC ... Date:1800Z 26 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 156 SFC 934 751 17.6 9.6 59 8.0 12.8 175 2 296.5 297.9 288.7 319.9 8.05 2 931 777 16.6 9.6 63 7.0 12.4 172 2 295.7 297.2 288.5 319.2 8.08 3 925 829 16.2 9.2 63 7.0 12.0 165 2 295.9 297.3 288.3 318.8 7.91 4 912 949 15.0 9.0 67 6.0 11.4 137 4 295.8 297.3 288.3 318.8 7.92 5 905 1015 16.8 8.8 59 8.0 12.0 151 5 298.3 299.8 289.2 321.4 7.87 6 886 1195 16.6 7.6 55 9.0 11.3 190 7 300.0 301.3 289.3 321.8 7.41 7 850 1547 14.0 6.0 58 8.0 9.4 170 4 300.8 302.1 289.2 321.4 6.91 8 835 1697 12.6 5.6 62 7.0 8.6 188 6 300.9 302.1 289.1 321.2 6.84 9 815 1900 11.6 2.6 54 9.0 6.8 209 10 301.9 302.9 288.4 318.9 5.67 10 802 2034 10.4 4.4 66 6.0 7.1 218 13 302.0 303.2 289.2 321.6 6.55 11 799 2066 10.0 6.6 79 3.4 8.0 220 14 301.9 303.3 290.2 324.8 7.67 12 796 2097 9.8 6.9 82 2.9 8.1 222 15 302.0 303.5 290.4 325.4 7.86 13 783 2234 9.2 4.2 71 5.0 6.4 225 17 302.8 304.0 289.6 322.7 6.61 14 771 2362 8.4 5.9 84 2.5 6.9 225 19 303.3 304.7 290.6 326.0 7.57 15 765 2426 8.0 4.9 81 3.1 6.2 225 20 303.5 304.9 290.2 324.9 7.12 16 762 2459 7.8 3.0 72 4.8 5.2 225 20 303.7 304.8 289.5 322.5 6.24 17 760 2480 8.0 -1.0 53 9.0 3.5 226 21 304.1 305.0 288.2 318.4 4.68 18 759 2491 8.0 -2.0 49 10.0 3.1 226 21 304.2 305.0 287.9 317.5 4.35 19 756 2524 7.8 -1.2 53 9.0 3.3 226 22 304.3 305.2 288.2 318.5 4.63 20 736 2745 7.4 -8.6 31 16.0 0.5 230 27 306.3 306.8 287.0 314.8 2.71 21 734 2768 7.2 -5.8 39 13.0 1.3 229 27 306.3 306.9 287.7 316.8 3.38 22 732 2790 7.2 -7.8 33 15.0 0.6 229 27 306.5 307.1 287.3 315.6 2.90 23 724 2880 6.6 -7.4 36 14.0 0.4 226 27 306.8 307.4 287.5 316.3 3.03 24 721 2915 6.6 -3.4 49 10.0 1.8 224 26 307.2 308.0 288.7 320.0 4.13 25 717 2960 6.2 -1.8 56 8.0 2.2 223 26 307.2 308.1 289.3 321.7 4.68 26 710 3041 5.8 -5.2 45 11.0 0.7 220 26 307.7 308.3 288.4 319.1 3.66 27 709 3052 5.8 -7.2 39 13.0 0.0 220 26 307.8 308.4 288.0 317.7 3.14 28 708 3064 5.8 -11.2 28 17.0 -1.1 221 26 307.9 308.3 287.2 315.2 2.29 29 706 3087 6.0 -13.0 24 19.0 -1.4 222 26 308.4 308.7 287.0 314.8 1.99 30 701 3145 6.0 -14.0 22 20.0 -1.7 224 25 309.0 309.3 287.1 315.0 1.85 31 700 3157 6.0 -13.0 24 19.0 -1.5 225 25 309.1 309.5 287.3 315.6 2.01 32 667 3550 2.6 -10.4 38 13.0 -2.7 236 27 309.6 310.1 288.1 317.9 2.59 33 658 3660 2.2 -12.8 32 15.0 -3.6 240 28 310.4 310.8 287.9 317.4 2.17 34 644 3833 0.8 -12.2 37 13.0 -4.3 240 31 310.7 311.1 288.2 318.2 2.33 35 631 3997 0.0 -14.0 34 14.0 -5.3 240 33 311.6 312.0 288.2 318.3 2.05 36 630 4010 0.0 -16.0 29 16.0 -5.7 240 33 311.7 312.1 287.9 317.5 1.74 37 627 4048 -0.3 -10.3 47 10.0 -4.4 240 34 311.8 312.3 289.0 320.8 2.78 38 625 4073 -0.3 -14.3 34 14.0 -5.5 240 35 312.1 312.5 288.3 318.7 2.02 39 623 4099 -0.7 -11.7 43 11.0 -5.1 240 35 311.9 312.4 288.8 320.0 2.50 40 620 4138 -0.9 -9.9 50 9.0 -4.6 240 36 312.1 312.7 289.2 321.5 2.91 41 613 4228 -1.3 -12.3 43 11.0 -5.6 240 37 312.7 313.2 288.9 320.6 2.43 42 611 4254 -1.5 -10.5 50 9.0 -5.2 240 37 312.8 313.3 289.3 321.8 2.81 43 609 4280 -1.5 -12.5 43 11.0 -5.8 240 38 313.0 313.5 289.0 320.8 2.40 44 607 4307 -1.9 -11.9 46 10.0 -5.8 240 38 312.9 313.4 289.0 321.1 2.53 45 603 4359 -2.1 -14.1 39 12.0 -6.5 241 38 313.2 313.6 288.8 320.2 2.13 46 584 4613 -4.1 -17.1 36 13.0 -8.5 243 37 313.8 314.1 288.6 319.5 1.71 47 580 4667 -4.5 -14.5 46 10.0 -8.1 243 37 313.9 314.3 289.0 321.0 2.14 48 567 4845 -5.1 -18.1 35 13.0 -9.4 245 37 315.3 315.6 288.9 320.7 1.62 49 557 4985 -5.9 -18.9 35 13.0 -10.1 245 38 315.9 316.2 289.1 321.1 1.54 50 507 5714 -12.1 -21.1 47 9.0 -14.7 241 48 317.0 317.3 289.3 321.8 1.40 51 500 5820 -13.1 -21.1 51 8.0 -15.4 240 49 317.1 317.3 289.3 321.9 1.42 52 494 5912 -13.9 -20.9 55 7.0 -15.9 240 50 317.2 317.5 289.4 322.1 1.46 53 476 6193 -15.7 -18.9 76 3.2 -16.7 238 53 318.3 318.7 290.1 324.4 1.80 54 472 6257 -16.1 -17.4 90 1.3 -16.5 237 53 318.6 319.0 290.4 325.5 2.07 55 400 7490 -22.3 -28.3 58 6.0 -23.6 225 55 326.0 326.2 291.5 329.3 0.93 56 300 9530 -38.1 -57.1 12 19.0 -39.1 240 62 331.7 331.7 292.2 331.9 0.06 57 250 10760 -47.9 -55.9 39 8.0 -48.2 235 62 334.9 334.9 293.1 335.2 0.08 58 200 12190 -60.5 -65.2 54 4.7 -60.6 225 65 337.0 337.0 293.6 337.1 0.03 59 175 13009 -66.7 -71.7 49 5.0 -66.7 225 68 339.9 339.9 294.3 339.9 0.01 60 150 13950 -62.3 -83.3 4 21.0 -62.4 220 65 362.8 362.8 299.2 362.8 0.00 61 115 15560 -65.2 -86.8 3 21.7 -65.3 225 81 386.0 386.0 303.2 386.0 0.00 62 100 16400 -66.7 -88.7 3 22.0 -66.8 250 43 398.9 398.9 305.0 398.9 0.00 63 92 16899 -70.3 -89.3 5 19.0 -70.4 246 47 401.4 401.4 305.4 401.4 0.00 64 88 17163 -69.7 -89.7 4 20.0 -69.8 238 53 407.7 407.7 306.2 407.7 0.00 65 80 17729 -70.3 -89.3 5 19.0 -70.4 227 50 417.7 417.7 307.4 417.7 0.00 66 77 17955 -72.1 -89.1 6 17.0 -72.2 234 50 418.6 418.6 307.6 418.6 0.00 67 70 18520 -68.9 -88.9 4 20.0 -69.0 260 29 437.0 437.0 309.6 437.0 0.00 68 65 18967 -66.1 -89.1 3 23.0 -66.3 240 27 452.5 452.5 311.1 452.5 0.00 69 59 19552 -68.3 -89.3 3 21.0 -68.5 186 17 460.2 460.2 311.8 460.2 0.00 70 57 19760 -65.3 -89.3 2 24.0 -65.5 189 19 471.6 471.6 312.8 471.6 0.00 71 51 20431 -69.3 -90.3 3 21.0 -69.5 273 18 477.5 477.5 313.2 477.5 0.00 72 50 20550 -68.5 -90.5 3 22.0 -68.7 245 26 482.1 482.1 313.6 482.1 0.00 73 47 20924 -65.3 -90.3 2 25.0 -65.6 253 26 498.3 498.3 314.8 498.4 0.00 74 45 21188 -66.5 -90.5 2 24.0 -66.8 273 23 501.7 501.7 315.1 501.7 0.00 75 44 21324 -65.3 -90.3 2 25.0 -65.6 284 20 507.8 507.8 315.5 507.8 0.00 76 38 22209 -68.9 -91.9 2 23.0 -69.1 313 13 520.4 520.4 316.3 520.4 0.00 77 38 22209 -68.3 -92.3 2 24.0 -68.5 313 13 521.9 521.9 316.4 521.9 0.00 78 37 22370 -65.3 -91.3 2 26.0 -65.7 319 17 533.6 533.6 317.1 533.6 0.00 79 35 22709 -64.9 -90.9 2 26.0 -65.3 333 21 543.2 543.2 317.7 543.2 0.00 80 32 23256 -65.1 -90.1 2 25.0 -65.5 317 20 556.8 556.8 318.5 556.8 0.00 81 30 23650 -63.9 -89.9 2 26.0 -64.5 300 15 570.4 570.4 319.2 570.5 0.00 82 22 25567 -59.3 -88.3 1 29.0 -60.6 300 14 637.1 637.1 322.2 637.1 0.01 83 20 26160 -61.7 -88.7 2 27.0 -62.8 340 11 647.3 647.3 322.6 647.4 0.01 84 19 26478 -61.9 -89.9 1 28.0 -63.0 339 12 656.3 656.3 322.9 656.3 0.01 85 18 26815 -60.3 -89.3 1 29.0 -61.7 245 12 671.5 671.5 323.4 671.6 0.01 86 17 27171 -61.1 -89.1 1 28.0 -62.4 276 12 680.0 680.0 323.8 680.1 0.01 87 16 27550 -59.3 -89.3 1 30.0 -61.0 275 11 697.8 697.8 324.4 697.9 0.01 88 16 27550 -59.7 -88.7 1 29.0 -61.3 275 11 696.5 696.5 324.3 696.6 0.01 89 13 28864 -54.9 -86.9 1 32.0 -58.0 262 30 755.7 755.7 326.1 755.9 0.02 90 12 29379 -52.5 -85.5 1 33.0 -56.5 276 30 781.7 781.7 326.8 781.9 0.02 91 11 29940 -54.5 -86.5 1 32.0 -58.1 289 30 794.2 794.2 327.1 794.3 0.02 92 11 29940 -53.7 -85.7 1 32.0 -57.6 289 30 797.1 797.1 327.2 797.3 0.02 93 10 30550 -55.7 -86.7 1 31.0 -59.2 285 34 811.6 811.6 327.5 811.8 0.02 94 9.6 30810 -55.3 -86.3 1 31.0 -59.0 822.7 822.7 327.8 822.9 0.02 95 9.3 31012 -56.9 -86.9 1 30.0 -60.2 824.1 824.1 327.8 824.3 0.02 96 8.6 31512 -53.5 -85.5 1 32.0 -58.1 856.0 856.0 328.5 856.3 0.03 TRP 175 13009 -66.7 -71.7 49 5.0 -66.7 225 68 339.9 339.9 294.3 339.9 0.01 WND 115 15560 -65.2 -86.8 3 21.7 -65.3 225 81 386.0 386.0 303.2 386.0 0.00 Sounding variables and indices 1000-500 mb thick: 5664.00 m Freezing level: 630.00 mb = 4009.55 m = 13154.53 ft Wetbulb zero: 708.98 mb = 3052.46 m = 10014.51 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 47.15 % Est. max temperature: 23.75 C = 74.74 F Sfc-Lift cond lev (LCL): 828.87 mb = 1758.65 m = 5769.77 ft T: 12.30 C 700-500 lapse rate: 7.17 C/km ThetaE index: 8.43 C Layer 765.0- 756.0 mb Conv cond level (CCL): 678.09 mb = 3415.90 m = 11206.89 ft Mean mixing ratio: 7.42 g/kg Conv temperature: 30.32 C = 86.57 F Cap Strength: 5.22 C Lifted Index: 2.82 C Risk: None Lifted Index @300 mb: 8.17 C Lifted Index @700 mb: 5.22 C Showalter Index: 2.52 C Risk: Showers probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 19.10 C K Index: 14.10 Risk: None Sweat Index: 129.00 Risk: None Energy Index: 0.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.12 J/kg Max Up Vert Vel: 7.09 m/s Conv Inhibition (B-): 45663.62 J/kg Cap Strength: 5.02 C Lift Cond Lev (LCL): 784.53 mb = 2217.48 m = 7275.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 23 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 ---------------------------------------------------------- 0 934 751 175 2 -0.2 2.0 | 91 23 -22.9 0.2 1 925 829 165 2 -0.5 1.9 | 90 23 -23.3 0.2 2 916 914 130 4 -3.1 2.6 | 92 26 -25.8 0.8 3 883 1219 195 7 1.8 6.8 | 103 22 -20.9 5.0 4 850 1547 170 4 -0.7 3.9 | 95 24 -23.4 2.2 5 822 1829 205 8 3.4 7.3 | 106 20 -19.4 5.5 6 792 2134 225 16 11.3 11.3 | 130 15 -11.4 9.5 7 763 2438 225 20 14.1 14.1 | 145 15 -8.6 12.4 8 736 2743 230 27 20.7 17.4 | 172 16 -2.1 15.6 9 709 3048 220 26 16.7 19.9 | 162 19 -6.0 18.1 10 700 3157 225 25 17.7 17.7 | 162 17 -5.1 15.9 11 657 3658 240 28 24.2 14.0 | 187 12 1.5 12.2 12 608 4267 240 38 32.9 19.0 | 211 20 10.2 17.2 13 563 4877 245 37 33.5 15.6 | 218 18 10.8 13.9 14 500 5820 240 49 42.4 24.5 | 221 30 19.7 22.7 15 482 6096 240 52 45.0 26.0 | 223 33 22.3 24.2 16 426 7010 225 60 42.4 42.4 | 206 45 19.7 40.7 17 400 7490 225 55 38.9 38.9 | 204 40 16.1 37.1 18 393 7620 225 54 38.2 38.2 | 203 40 15.4 36.4 19 317 9144 235 50 41.0 28.7 | 214 32 18.2 26.9 20 300 9530 240 62 53.7 31.0 | 227 43 30.9 29.2 21 290 9754 235 62 50.8 35.6 | 220 44 28.0 33.8 22 250 10760 235 62 50.8 35.6 | 220 44 28.0 33.8 23 200 12190 225 65 46.0 46.0 | 208 50 23.2 44.2 24 175 13009 225 68 48.1 48.1 | 209 53 25.3 46.3 25 150 13950 220 65 41.8 49.8 | 202 52 19.0 48.0 26 134 14630 230 74 56.7 47.6 | 217 57 33.9 45.8 27 121 15240 225 65 46.0 46.0 | 208 50 23.2 44.2 28 115 15560 225 81 57.3 57.3 | 212 65 34.5 55.5 29 110 15850 225 81 57.3 57.3 | 212 65 34.5 55.5 30 104 16154 240 70 60.6 35.0 | 229 50 37.9 33.2 31 100 16400 250 43 40.4 14.7 | 234 22 17.7 12.9 32 94 16764 250 43 40.4 14.7 | 234 22 17.7 12.9 33 89 17069 240 53 45.9 26.5 | 223 34 23.1 24.7 34 81 17678 225 50 35.4 35.4 | 201 36 12.6 33.6 35 73 18288 245 49 44.4 20.7 | 229 29 21.7 18.9 36 70 18520 260 29 28.6 5.0 | 241 7 5.8 3.3 37 69 18593 265 37 36.9 3.2 | 264 14 14.1 1.5 38 63 19202 225 20 14.1 14.1 | 145 15 -8.6 12.4 39 59 19507 185 17 1.5 16.9 | 125 26 -21.3 15.2 40 57 19812 190 20 3.5 19.7 | 133 26 -19.3 17.9 41 54 20117 275 15 14.9 -1.3 | 68 8 -7.8 -3.1 42 51 20422 275 17 16.9 -1.5 | 61 7 -5.8 -3.3 43 50 20550 245 26 23.6 11.0 | 185 9 0.8 9.2 44 49 20726 240 24 20.8 12.0 | 169 10 -2.0 10.2 45 46 21031 260 27 26.6 4.7 | 233 5 3.8 2.9 46 44 21336 285 20 19.3 -5.2 | 26 8 -3.4 -6.9 47 42 21641 280 20 19.7 -3.5 | 30 6 -3.1 -5.2 48 38 22250 315 13 9.2 -9.2 | 51 17 -13.6 -11.0 49 36 22555 325 22 12.6 -18.0 | 27 22 -10.1 -19.8 50 34 22860 340 21 7.2 -19.7 | 36 27 -15.6 -21.5 51 31 23470 305 19 15.6 -10.9 | 30 15 -7.2 -12.7 52 30 23650 300 15 13.0 -7.5 | 46 13 -9.8 -9.3 53 29 23774 315 13 9.2 -9.2 | 51 17 -13.6 -11.0 54 28 24079 300 15 13.0 -7.5 | 46 13 -9.8 -9.3 55 27 24384 305 17 13.9 -9.8 | 37 15 -8.8 -11.5 56 25 24689 290 18 16.9 -6.2 | 36 10 -5.8 -7.9 57 24 24994 340 19 6.5 -17.9 | 40 25 -16.3 -19.6 58 23 25298 345 18 4.7 -17.4 | 43 26 -18.1 -19.2 59 22 25603 295 14 12.7 -5.9 | 53 13 -10.1 -7.7 60 20 26160 340 11 3.8 -10.3 | 57 23 -19.0 -12.1 61 20 26213 330 17 8.5 -14.7 | 41 22 -14.2 -16.5 62 19 26518 340 11 3.8 -10.3 | 57 23 -19.0 -12.1 63 18 26822 245 12 10.9 5.1 | 106 12 -11.9 3.3 64 17 27127 275 12 12.0 -1.0 | 75 11 -10.8 -2.8 65 16 27432 280 11 10.8 -1.9 | 73 12 -11.9 -3.7 66 16 27737 270 10 10.0 -0.0 | 82 13 -12.7 -1.8 67 15 28042 245 10 9.1 4.2 | 100 14 -13.7 2.5 68 13 28651 255 30 29.0 7.8 | 226 9 6.2 6.0 69 11 29870 290 30 28.2 -10.3 | 336 13 5.4 -12.0 70 10 30550 285 34 32.8 -8.8 | 316 15 10.1 -10.6 Wind Parameters Mean winds (0-6000m): 235.5 at 30.4 knts Storm direction: 265.5 at 22.8 knts Shear (0-3000m) pos: 5.2 neg: 0.3 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 101.7 deg Storm rel helicity (0-3000m) pos: 164.2 neg: -32.0 tot: 132.2 m^2/s^2 ave: 44.1 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 5.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.23 Bulk Shear: 109.49 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 ------------------------------------------------------------------------------- 500 171 5 97 24| 5.0 0.0 5.0| 33.2 0.0 33.2 66.3 0.58| 9.1 5.3 1000 179 5 98 23| 2.6 0.0 2.6| 51.4 -17.3 34.1 34.1 0.33| 8.2 2.7 1500 202 7 104 21| 5.6 0.0 5.6| 97.3 -17.3 80.0 53.3 0.54| 9.6 5.2 2000 215 11 114 18| 6.7 0.0 6.7|135.7 -17.3 118.4 59.2 0.66| 9.7 6.4 2500 219 14 124 17| 5.3 0.3 5.7|141.4 -32.0 109.3 43.7 0.50| 9.5 4.7 3000 224 16 131 15| 5.2 0.3 5.5|164.2 -32.0 132.2 44.1 0.54| 9.2 5.0 4000 231 21 152 13| 3.9 0.9 4.7|195.8 -32.0 163.8 41.0 0.56| 8.3 4.7 5000 235 26 172 13| 3.1 1.8 4.9|204.4 -32.0 172.4 34.5 0.49| 7.9 3.9 6000 236 30 189 16| 2.6 2.5 5.1|210.9-109.2 101.7 17.0 0.33| 7.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//KTWC/skewt/KTWC.skewt.20251226.18.gif