UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121818.upa.cvt Date: 1800Z 18 DEC 25 Searching for KTWC... Searching the city database file for: KTWC ... Date:1800Z 18 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 135 SFC 931 751 14.8 0.8 38 14.0 7.8 0 0 293.9 294.7 284.1 306.7 4.35 2 928 779 15.2 1.2 39 14.0 8.1 72 1 294.6 295.4 284.5 307.8 4.49 3 925 807 14.4 0.4 38 14.0 7.4 145 3 294.0 294.8 284.0 306.5 4.25 4 923 825 14.0 0.0 38 14.0 7.1 143 3 293.8 294.5 283.8 306.0 4.14 5 916 889 13.8 -0.2 38 14.0 6.9 137 4 294.2 295.0 284.0 306.4 4.11 6 912 927 16.6 -2.4 27 19.0 7.4 142 4 297.5 298.1 284.6 308.0 3.51 7 908 964 17.2 -1.8 27 19.0 7.8 164 4 298.5 299.1 285.1 309.6 3.69 8 882 1211 15.8 -3.2 27 19.0 6.7 310 5 299.5 300.1 285.2 309.9 3.42 9 850 1524 14.4 -1.6 33 16.0 6.4 320 7 301.2 302.0 286.5 313.4 4.00 10 843 1594 14.0 -1.0 36 15.0 6.5 330 8 301.5 302.3 286.8 314.3 4.21 11 836 1664 14.8 -3.2 29 18.0 6.0 341 9 303.1 303.8 286.8 314.2 3.61 12 821 1817 14.2 -5.8 25 20.0 4.9 3 11 304.0 304.6 286.5 313.4 3.02 13 810 1930 15.0 -7.0 21 22.0 4.9 2 12 306.0 306.6 287.0 314.8 2.79 14 775 2302 12.8 -13.2 15 26.0 2.2 352 18 307.6 307.9 286.5 313.3 1.78 15 756 2510 12.8 -34.2 2 47.0 -0.0 348 21 309.8 309.8 285.6 310.8 0.28 16 737 2723 11.6 341 20 310.7 17 733 2769 11.4 -36.6 2 48.0 -1.0 340 20 311.0 311.0 285.9 311.8 0.23 18 730 2803 11.2 -15.8 13 27.0 0.7 339 20 311.1 311.4 287.5 316.2 1.53 19 726 2849 11.0 -14.0 16 25.0 1.0 339 20 311.4 311.7 287.8 317.2 1.78 20 700 3151 8.6 -9.4 27 18.0 0.7 335 21 312.0 312.5 288.9 320.6 2.68 21 699 3163 8.6 -9.4 27 18.0 0.7 335 21 312.1 312.6 289.0 320.8 2.68 22 658 3659 5.0 -11.0 30 16.0 -1.7 321 23 313.5 314.0 289.3 321.7 2.51 23 636 3937 4.2 -12.8 28 17.0 -2.7 311 20 315.7 316.1 289.7 323.1 2.24 24 633 3975 4.4 -14.6 24 19.0 -3.0 310 19 316.3 316.7 289.6 322.8 1.95 25 608 4302 2.0 -15.0 27 17.0 -4.6 321 17 317.2 317.6 289.9 323.8 1.96 26 583 4640 0.4 -18.6 22 19.0 -6.3 332 23 319.2 319.5 290.0 324.3 1.51 27 556 5018 -3.3 -20.3 26 17.0 -8.8 305 22 319.2 319.4 289.9 323.9 1.37 28 551 5089 -3.3 -23.3 20 20.0 -9.4 299 24 320.0 320.2 289.9 323.7 1.06 29 501 5835 -8.9 -28.9 18 20.0 -13.9 310 25 322.0 322.1 290.1 324.5 0.70 30 500 5850 -8.9 -28.9 18 20.0 -13.9 310 25 322.2 322.3 290.2 324.7 0.70 31 496 5912 -9.1 -30.1 16 21.0 -14.2 308 25 322.7 322.8 290.3 325.0 0.63 32 495 5928 -9.3 -31.3 15 22.0 -14.4 307 25 322.6 322.7 290.2 324.7 0.57 33 475 6245 -10.3 -37.3 9 27.0 -15.7 298 27 325.2 325.3 290.7 326.4 0.33 34 467 6376 -11.3 -40.3 7 29.0 -16.6 296 28 325.6 325.6 290.7 326.5 0.24 35 440 6829 -14.9 -42.9 7 28.0 -19.3 299 23 326.6 326.6 291.0 327.4 0.20 36 400 7540 -21.5 -45.5 10 24.0 -24.5 295 29 327.0 327.1 291.0 327.7 0.16 37 378 7953 -25.3 -47.3 11 22.0 -27.6 297 31 327.4 327.4 291.1 327.9 0.14 38 356 8384 -28.3 -55.3 6 27.0 -30.4 300 34 329.0 329.0 291.5 329.2 0.06 39 322 9092 -35.1 -57.1 9 22.0 -36.4 305 40 329.2 329.2 291.5 329.4 0.05 40 300 9580 -39.3 -60.3 9 21.0 -40.2 300 40 330.0 330.0 291.7 330.1 0.04 41 253 10722 -48.7 -64.7 14 16.0 -49.1 324 35 332.5 332.5 292.4 332.6 0.03 42 250 10800 -49.5 -65.5 14 16.0 -49.8 325 33 332.5 332.5 292.4 332.6 0.02 43 226 11452 -56.1 -67.1 24 11.0 -56.3 329 28 332.1 332.1 292.3 332.2 0.02 44 208 11976 -60.1 -70.1 26 10.0 -60.2 327 35 333.8 333.8 292.7 333.9 0.01 45 201 12189 -61.3 -69.3 34 8.0 -61.4 325 39 335.2 335.2 293.2 335.3 0.02 46 200 12220 -61.7 -69.7 34 8.0 -61.8 325 40 335.1 335.1 293.1 335.1 0.02 47 192 12472 -63.3 -73.3 25 10.0 -63.4 325 46 336.4 336.4 293.4 336.5 0.01 48 188 12602 -62.3 -74.3 19 12.0 -62.4 325 49 340.1 340.1 294.3 340.1 0.01 49 174 13077 -66.3 -73.3 37 7.0 -66.4 325 61 341.1 341.1 294.6 341.1 0.01 50 170 13218 -66.1 -75.1 27 9.0 -66.2 321 68 343.7 343.7 295.2 343.7 0.01 51 169 13254 -65.5 -76.5 20 11.0 -65.6 320 70 345.3 345.3 295.6 345.3 0.01 52 167 13326 -64.3 -79.3 11 15.0 -64.4 320 70 348.4 348.4 296.3 348.5 0.00 53 163 13475 -62.9 -82.9 5 20.0 -63.0 322 67 353.2 353.2 297.3 353.2 0.00 54 153 13867 -61.5 -85.5 3 24.0 -61.7 319 53 362.1 362.1 299.1 362.1 0.00 55 150 13990 -61.9 -84.9 3 23.0 -62.0 310 49 363.4 363.4 299.4 363.4 0.00 56 141 14369 -64.7 -85.7 4 21.0 -64.8 305 50 365.0 365.0 299.7 365.0 0.00 57 133 14725 -63.7 -86.7 3 23.0 -63.8 308 56 373.0 373.0 301.1 373.0 0.00 58 115 15608 -66.9 -87.9 4 21.0 -67.0 308 44 382.9 382.9 302.7 382.9 0.00 59 100 16440 -71.9 -88.9 6 17.0 -71.9 300 60 388.8 388.8 303.6 388.8 0.00 60 97 16619 -71.3 -89.3 5 18.0 -71.3 297 60 393.4 393.4 304.3 393.4 0.00 61 81 17676 -73.1 -89.1 7 16.0 -73.2 301 27 410.5 410.5 306.6 410.5 0.00 62 74 18199 -77.1 -90.1 11 13.0 -77.1 287 31 412.8 412.8 306.9 412.8 0.00 63 71 18438 -74.1 -89.1 8 15.0 -74.2 304 44 424.1 424.1 308.2 424.1 0.00 64 70 18520 -74.1 -89.1 8 15.0 -74.2 315 50 425.9 425.9 308.4 425.9 0.00 65 66 18864 -73.9 -89.9 7 16.0 -74.0 315 50 433.5 433.5 309.2 433.5 0.00 66 65 18954 -70.5 -89.5 4 19.0 -70.6 316 47 442.8 442.8 310.1 442.9 0.00 67 64 19046 -70.3 -90.3 4 20.0 -70.4 318 44 445.3 445.3 310.4 445.3 0.00 68 61 19334 -67.3 -91.3 2 24.0 -67.5 318 36 458.1 458.1 311.6 458.1 0.00 69 60 19434 -64.7 -90.7 2 26.0 -65.0 316 34 466.1 466.1 312.3 466.1 0.00 70 58 19642 -64.3 -90.3 2 26.0 -64.6 313 30 471.5 471.5 312.8 471.5 0.00 71 56 19856 -65.3 -90.3 2 25.0 -65.5 307 26 474.0 474.0 313.0 474.0 0.00 72 52 20310 -63.5 -89.5 2 26.0 -63.8 304 20 488.3 488.3 314.1 488.3 0.00 73 50 20550 -64.9 -90.9 2 26.0 -65.2 315 19 490.5 490.5 314.2 490.6 0.00 74 47 20932 -60.7 -89.7 1 29.0 -61.3 327 13 509.4 509.4 315.6 509.4 0.00 75 45 21201 -62.3 -89.3 2 27.0 -62.8 307 7 511.9 511.9 315.8 511.9 0.00 76 43 21484 -59.9 -88.9 1 29.0 -60.6 312 7 524.5 524.5 316.6 524.5 0.00 77 39 22090 -62.7 -89.7 1 27.0 -63.2 289 10 532.2 532.2 317.1 532.3 0.00 78 38 22251 -60.5 -89.5 1 29.0 -61.2 270 10 541.8 541.8 317.6 541.8 0.00 79 30 23710 -64.7 -90.7 2 26.0 -65.2 95 3 568.3 568.3 319.0 568.3 0.00 80 27 24356 -62.1 -90.1 1 28.0 -62.9 295 8 592.9 592.9 320.3 593.0 0.00 81 26 24589 -62.7 -89.7 1 27.0 -63.4 302 12 597.7 597.7 320.5 597.7 0.00 82 25 24832 -60.1 -89.1 1 29.0 -61.2 316 15 611.9 611.9 321.2 611.9 0.01 83 24 25086 -61.1 -89.1 1 28.0 -62.1 323 18 616.2 616.2 321.3 616.2 0.01 84 22 25627 -59.7 -88.7 1 29.0 -60.9 312 26 635.9 635.9 322.2 635.9 0.01 85 21 25916 -62.1 -89.1 2 27.0 -63.1 335 34 637.1 637.1 322.2 637.2 0.01 86 20 26220 -58.9 -88.9 1 30.0 -60.4 5 12 655.9 655.9 322.9 655.9 0.01 87 17 27235 -61.1 -89.1 1 28.0 -62.4 275 10 680.0 680.0 323.8 680.1 0.01 88 16 27614 -57.7 -88.7 1 31.0 -59.7 248 5 703.0 703.0 324.6 703.1 0.01 89 15 28024 -55.5 -86.5 1 31.0 -58.1 199 7 723.4 723.4 325.1 723.5 0.01 90 14 28462 -56.9 -86.9 1 30.0 -59.3 158 10 733.1 733.1 325.4 733.2 0.01 91 11 30005 -52.7 -85.7 1 33.0 -56.9 229 9 800.7 800.7 327.3 800.9 0.02 92 10 30620 -52.7 -85.7 1 33.0 -57.2 230 27 822.8 822.8 327.8 823.1 0.03 93 8.1 32005 -44.7 -82.7 1 38.0 -53.4 905.7 905.7 329.5 906.2 0.05 TRP 174 13077 -66.3 -73.3 37 7.0 -66.4 325 61 341.1 341.1 294.6 341.1 0.01 WND 169 13254 -65.5 -76.5 20 11.0 -65.6 320 70 345.3 345.3 295.6 345.3 0.01 Sounding variables and indices 1000-500 mb thick: 5715.00 m Freezing level: 580.08 mb = 4680.63 m = 15356.22 ft Wetbulb zero: 756.32 mb = 2506.62 m = 8223.73 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 23.93 % Est. max temperature: 27.94 C = 82.29 F Sfc-Lift cond lev (LCL): 753.44 mb = 2538.58 m = 8328.56 ft T: 12.64 C 700-500 lapse rate: 6.48 C/km ThetaE index: 4.05 C Layer 775.0- 737.0 mb Conv cond level (CCL): 488.12 mb = 6035.43 m = 19801.03 ft Mean mixing ratio: 3.78 g/kg Conv temperature: 43.81 C = 110.85 F Cap Strength: 13.68 C Lifted Index: 13.02 C Risk: None Lifted Index @300 mb: 13.94 C Lifted Index @700 mb: 11.54 C Showalter Index: 11.35 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 7.30 C K Index: 3.70 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.14 J/kg Max Up Vert Vel: 7.89 m/s Conv Inhibition (B-): 45762.89 J/kg Cap Strength: 13.54 C Lift Cond Lev (LCL): 677.96 mb = 3413.89 m = 11200.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 14 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 ---------------------------------------------------------- 0 931 751 0 0 -0.0 -0.0 | 169 14 -2.8 13.9 1 925 807 145 3 -1.7 2.5 | 165 17 -4.5 16.4 2 913 914 135 4 -2.8 2.8 | 161 18 -5.6 16.8 3 881 1219 315 5 3.5 -3.5 | 184 10 0.7 10.4 4 850 1524 320 7 4.5 -5.4 | 191 9 1.7 8.6 5 820 1829 5 11 -1.0 -11.0 | 128 5 -3.7 3.0 6 790 2134 355 14 1.2 -13.9 | 89 2 -1.6 -0.0 7 762 2438 350 21 3.6 -20.7 | 353 7 0.9 -6.8 8 735 2743 340 20 6.8 -18.8 | 320 6 4.1 -4.9 9 700 3151 335 21 8.9 -19.0 | 310 8 6.1 -5.1 10 683 3353 340 21 7.2 -19.7 | 323 7 4.4 -5.8 11 657 3658 320 23 14.8 -17.6 | 287 13 12.0 -3.7 12 633 3962 310 19 14.6 -12.2 | 262 12 11.8 1.7 13 609 4267 320 17 10.9 -13.0 | 264 8 8.1 0.9 14 586 4572 335 23 9.7 -20.8 | 315 10 6.9 -6.9 15 564 4877 315 20 14.1 -14.1 | 271 11 11.4 -0.2 16 543 5182 290 26 24.4 -8.9 | 257 22 21.6 5.0 17 504 5791 310 24 18.4 -15.4 | 276 16 15.6 -1.5 18 500 5850 310 25 19.2 -16.1 | 277 17 16.4 -2.1 19 484 6096 300 26 22.5 -13.0 | 267 20 19.7 0.9 20 465 6401 295 28 25.4 -11.8 | 265 23 22.6 2.1 21 447 6706 300 22 19.1 -11.0 | 260 17 16.3 2.9 22 400 7540 295 29 26.3 -12.3 | 266 24 23.5 1.7 23 396 7620 295 28 25.4 -11.8 | 265 23 22.6 2.1 24 319 9144 305 41 33.6 -23.5 | 287 32 30.8 -9.6 25 300 9580 300 40 34.6 -20.0 | 281 32 31.9 -6.1 26 292 9754 300 40 34.6 -20.0 | 281 32 31.9 -6.1 27 267 10363 320 43 27.6 -32.9 | 307 31 24.9 -19.0 28 250 10800 325 33 18.9 -27.0 | 309 21 16.1 -13.1 29 221 11582 330 27 13.5 -23.4 | 311 14 10.7 -9.5 30 200 12220 325 40 22.9 -32.8 | 313 28 20.2 -18.8 31 174 13077 325 61 35.0 -50.0 | 318 48 32.2 -36.0 32 169 13254 320 70 45.0 -53.6 | 313 58 42.2 -39.7 33 165 13411 320 70 45.0 -53.6 | 313 58 42.2 -39.7 34 157 13716 330 58 29.0 -50.2 | 324 45 26.2 -36.3 35 150 13990 310 49 37.5 -31.5 | 297 39 34.8 -17.6 36 149 14021 315 50 35.4 -35.4 | 303 39 32.6 -21.4 37 142 14326 305 49 40.1 -28.1 | 291 40 37.4 -14.2 38 128 14935 310 60 46.0 -38.6 | 300 50 43.2 -24.6 39 122 15240 315 55 38.9 -38.9 | 305 44 36.1 -25.0 40 116 15545 310 43 32.9 -27.6 | 294 33 30.2 -13.7 41 105 16154 285 57 55.1 -14.8 | 271 52 52.3 -0.8 42 100 16440 300 60 52.0 -30.0 | 288 52 49.2 -16.1 43 95 16764 295 60 54.4 -25.4 | 282 53 51.6 -11.4 44 90 17069 320 62 39.9 -47.5 | 312 50 37.1 -33.6 45 85 17374 330 36 18.0 -31.2 | 319 23 15.2 -17.3 46 81 17678 300 27 23.4 -13.5 | 269 21 20.6 0.4 47 73 18288 285 32 30.9 -8.3 | 259 29 28.1 5.6 48 70 18520 315 50 35.4 -35.4 | 303 39 32.6 -21.4 49 66 18898 315 50 35.4 -35.4 | 303 39 32.6 -21.4 50 63 19202 320 39 25.1 -29.9 | 306 27 22.3 -16.0 51 57 19812 310 27 20.7 -17.4 | 281 18 17.9 -3.4 52 54 20117 295 21 19.0 -8.9 | 253 17 16.2 5.0 53 50 20550 315 19 13.4 -13.4 | 267 11 10.6 0.5 54 49 20726 310 20 15.3 -12.9 | 265 13 12.5 1.1 55 46 21031 335 10 4.2 -9.1 | 197 5 1.4 4.9 56 44 21336 285 4 3.9 -1.0 | 185 13 1.1 12.9 57 42 21641 340 10 3.4 -9.4 | 188 5 0.6 4.5 58 36 22555 235 10 8.2 5.7 | 195 20 5.4 19.7 59 34 22860 235 10 8.2 5.7 | 195 20 5.4 19.7 60 33 23165 275 10 10.0 -0.9 | 209 15 7.2 13.1 61 31 23470 290 10 9.4 -3.4 | 212 12 6.6 10.5 62 30 23710 95 3 -3.0 0.3 | 158 15 -5.8 14.2 63 28 24079 0 0 -0.0 -0.0 | 169 14 -2.8 13.9 64 27 24384 290 9 8.5 -3.1 | 208 12 5.7 10.8 65 24 24994 325 17 9.8 -13.9 | 270 7 7.0 -0.0 66 22 25603 310 25 19.2 -16.1 | 277 17 16.4 -2.1 67 21 25908 335 34 14.4 -30.8 | 326 20 11.6 -16.9 68 20 26213 335 21 8.9 -19.0 | 310 8 6.1 -5.1 69 20 26220 5 12 -1.0 -12.0 | 117 4 -3.8 2.0 70 19 26518 5 14 -1.2 -13.9 | 90 4 -4.0 -0.0 71 18 26822 5 10 -0.9 -10.0 | 137 5 -3.7 4.0 72 17 27127 275 10 10.0 -0.9 | 209 15 7.2 13.1 73 17 27432 275 10 10.0 -0.9 | 209 15 7.2 13.1 74 16 27737 235 2 1.6 1.1 | 176 15 -1.1 15.1 75 14 28346 165 12 -3.1 11.6 | 167 26 -5.9 25.5 76 13 28956 135 1 -0.7 0.7 | 167 15 -3.5 14.6 77 12 29566 155 12 -5.1 10.9 | 162 26 -7.9 24.8 78 11 29870 210 12 6.0 10.4 | 188 25 3.2 24.3 79 11 30175 250 5 4.7 1.7 | 187 16 1.9 15.6 80 10 30620 230 27 20.7 17.4 | 210 36 17.9 31.3 Wind Parameters Mean winds (0-6000m): 318.7 at 18.9 knts Storm direction: 348.7 at 14.2 knts Shear (0-3000m) pos: 1.1 neg: 3.4 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 110.6 deg Storm rel helicity (0-3000m) pos: 39.1 neg: -48.9 tot: -9.8 m^2/s^2 ave: -3.3 10^-3 m/s^2 rel: -0.30 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.45 Bulk Shear: 69.06 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 ------------------------------------------------------------------------------- 500 151 4 165 18| 0.0 5.4 5.4| 33.2 -8.2 25.0 50.0 0.31| 17.5 5.4 1000 330 6 180 9| 3.4 2.7 6.1| 35.7 -12.8 22.9 22.9 0.12| 12.6 1.6 1500 349 8 168 6| 2.3 3.9 6.2| 35.7 -17.9 17.9 11.9 -0.11| 11.4 -1.3 2000 348 11 171 3| 1.7 4.0 5.8| 35.7 -26.1 9.6 4.8 -0.22| 10.6 -2.4 2500 344 13 207 2| 1.4 3.5 4.9| 37.4 -28.5 9.0 3.6 -0.22| 9.1 -2.0 3000 340 14 262 2| 1.1 3.4 4.6| 39.1 -48.9 -9.8 -3.3 -0.30| 9.4 -2.8 4000 334 16 275 4| 1.1 2.6 3.7| 55.9 -71.3 -15.3 -3.8 -0.23| 9.5 -2.1 5000 325 18 273 7| 1.6 2.9 4.6| 81.4 -96.3 -14.9 -3.0 -0.19| 9.7 -1.9 6000 319 19 272 10| 1.6 2.9 4.4| 85.4-124.5 -39.0 -6.5 -0.21| 9.3 -2.0 Wrote GIF file: /home/apache/climate/data/raob//KTWC/skewt/KTWC.skewt.20251218.18.gif