UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122418.upa.cvt Date: 1800Z 24 DEC 25 Searching for KTWC... Searching the city database file for: KTWC ... Date:1800Z 24 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 189 SFC 937 751 15.6 11.2 75 4.4 12.9 80 3 294.2 295.8 288.7 319.9 8.95 2 934 778 14.4 11.0 80 3.4 12.3 96 6 293.2 294.8 288.3 318.6 8.85 3 925 858 14.0 10.6 80 3.4 12.0 145 14 293.6 295.2 288.3 318.6 8.70 4 920 904 13.6 10.4 81 3.2 11.7 145 14 293.7 295.2 288.2 318.4 8.63 5 912 977 13.0 10.3 84 2.7 11.4 144 13 293.8 295.3 288.3 318.6 8.65 6 910 996 13.2 10.1 81 3.1 11.3 144 13 294.2 295.7 288.3 318.8 8.55 7 906 1033 16.2 9.2 63 7.0 12.0 143 12 297.6 299.1 289.1 321.2 8.08 8 883 1252 15.6 8.6 63 7.0 11.4 146 10 299.2 300.7 289.6 322.6 7.96 9 881 1271 16.2 8.2 59 8.0 11.4 149 10 300.0 301.4 289.6 323.0 7.76 10 850 1575 14.0 7.0 63 7.0 9.9 195 14 300.8 302.2 289.6 322.8 7.41 11 802 2063 9.8 5.5 75 4.3 7.3 190 28 301.4 302.7 289.5 322.4 7.08 12 784 2251 9.4 4.4 71 5.0 6.6 189 31 302.9 304.2 289.7 323.0 6.70 13 735 2785 6.2 4.4 88 1.8 5.2 209 27 305.1 306.4 290.7 326.7 7.15 14 709 3080 4.6 2.6 87 2.0 3.5 201 24 306.5 307.7 290.6 326.3 6.52 15 706 3114 4.8 1.6 80 3.2 3.1 202 24 307.0 308.2 290.5 325.7 6.09 16 700 3184 4.2 1.6 83 2.6 2.8 205 26 307.1 308.3 290.6 325.9 6.15 17 685 3360 2.4 1.2 92 1.2 1.8 212 25 307.0 308.2 290.5 325.7 6.10 18 667 3574 0.6 0.1 96 0.5 0.3 221 24 307.4 308.4 290.3 325.1 5.79 19 655 3720 0.4 -0.1 96 0.5 0.1 225 24 308.7 309.8 290.7 326.7 5.81 20 640 3906 0.2 0.0 99 0.2 0.1 225 26 310.6 311.7 291.5 329.1 5.99 21 620 4160 -0.5 -0.8 98 0.3 -0.7 228 24 312.6 313.7 291.9 330.8 5.83 22 578 4718 -3.5 -3.5 100 0.0 -3.5 234 24 315.4 316.4 292.2 331.7 5.12 23 500 5850 -10.1 -10.7 95 0.6 -10.4 220 26 320.7 321.4 292.2 331.9 3.38 24 461 6473 -13.5 -14.5 92 1.0 -13.9 210 29 324.0 324.6 292.6 333.1 2.70 25 400 7540 -20.7 -22.2 88 1.5 -21.1 205 36 328.1 328.4 292.7 333.7 1.61 26 379 7937 -23.7 -25.7 84 2.0 -24.2 206 36 329.2 329.5 292.7 333.7 1.24 27 374 8034 -24.3 -25.8 87 1.5 -24.6 206 37 329.7 329.9 292.8 334.1 1.25 28 366 8191 -25.7 -28.6 77 2.9 -26.3 207 37 329.9 330.1 292.6 333.4 0.99 29 335 8827 -30.7 -34.0 73 3.3 -31.2 209 40 331.5 331.6 292.7 333.9 0.64 30 315 9261 -34.5 -37.0 78 2.5 -34.8 210 42 332.1 332.2 292.8 334.0 0.51 31 314 9283 -34.7 -36.4 84 1.7 -34.9 210 42 332.1 332.2 292.8 334.1 0.54 32 301 9577 -37.3 -39.6 79 2.3 -37.5 210 45 332.5 332.6 292.8 334.0 0.41 33 300 9600 -37.5 -39.8 79 2.3 -37.7 210 45 332.5 332.6 292.8 334.0 0.40 34 294 9739 -38.7 -40.4 84 1.7 -38.9 210 45 332.7 332.8 292.9 334.2 0.38 35 293 9763 -38.9 -41.2 79 2.3 -39.1 210 45 332.8 332.9 292.8 334.1 0.35 36 290 9833 -39.5 -40.8 87 1.3 -39.6 210 46 332.9 333.0 292.9 334.3 0.37 37 282 10024 -41.1 -42.1 90 1.0 -41.2 210 46 333.3 333.3 292.9 334.6 0.33 38 280 10073 -41.7 -43.0 87 1.3 -41.8 210 46 333.1 333.2 292.9 334.3 0.31 39 276 10170 -42.5 -45.6 72 3.1 -42.7 210 46 333.3 333.4 292.9 334.2 0.23 40 273 10244 -43.3 -45.6 78 2.3 -43.5 210 47 333.2 333.2 292.8 334.1 0.24 41 268 10368 -44.5 -47.9 69 3.4 -44.7 210 47 333.2 333.3 292.8 334.0 0.19 42 262 10519 -45.7 -48.1 77 2.4 -45.9 213 51 333.6 333.7 292.9 334.4 0.19 43 250 10830 -48.5 -52.9 60 4.4 -48.7 220 58 334.0 334.0 292.9 334.4 0.11 44 248 10883 -49.1 -53.6 59 4.5 -49.3 220 59 333.8 333.9 292.9 334.3 0.10 45 247 10909 -49.1 -54.0 56 4.9 -49.3 221 59 334.2 334.2 293.0 334.6 0.10 46 245 10963 -49.3 -54.2 56 4.9 -49.5 221 60 334.7 334.7 293.1 335.1 0.10 47 239 11125 -50.3 -53.7 67 3.4 -50.4 222 63 335.6 335.6 293.3 336.0 0.11 48 233 11290 -51.7 -56.6 56 4.9 -51.8 223 66 335.9 335.9 293.4 336.2 0.08 49 223 11574 -53.7 -56.5 71 2.8 -53.8 225 71 337.1 337.1 293.7 337.4 0.08 50 222 11602 -53.9 -57.1 68 3.2 -54.0 225 71 337.2 337.2 293.7 337.5 0.08 51 221 11631 -53.7 -57.9 60 4.2 -53.8 225 70 337.9 338.0 293.9 338.2 0.07 52 219 11690 -53.3 -62.3 33 9.0 -53.5 226 70 339.4 339.4 294.2 339.6 0.04 53 215 11808 -53.9 -68.9 14 15.0 -54.2 227 68 340.3 340.3 294.4 340.4 0.02 54 210 11959 -54.5 -68.5 16 14.0 -54.7 228 66 341.7 341.7 294.7 341.7 0.02 55 200 12270 -57.1 -69.1 20 12.0 -57.3 230 61 342.3 342.3 294.9 342.4 0.02 56 194 12462 -58.9 -68.9 26 10.0 -59.0 230 60 342.5 342.5 294.9 342.5 0.02 57 192 12528 -58.5 -69.5 23 11.0 -58.6 230 60 344.1 344.1 295.3 344.2 0.02 58 173 13181 -60.4 -75.2 13 14.7 -60.6 220 81 351.3 351.3 296.9 351.4 0.01 59 167 13401 -61.1 -77.1 10 16.0 -61.3 220 81 353.8 353.8 297.4 353.8 0.01 60 150 14070 -60.7 -82.7 4 22.0 -60.9 215 70 365.5 365.5 299.8 365.5 0.00 61 100 16520 -70.3 -90.3 4 20.0 -70.4 210 52 391.9 391.9 304.0 391.9 0.00 62 97 16701 -70.7 -90.7 4 20.0 -70.8 210 52 394.5 394.5 304.5 394.6 0.00 63 91 17078 -73.9 -91.9 5 18.0 -73.9 213 56 395.5 395.5 304.6 395.5 0.00 64 84 17544 -76.3 -91.3 8 15.0 -76.3 210 50 399.8 399.8 305.2 399.8 0.00 65 77 18045 -77.3 -90.3 11 13.0 -77.3 211 49 407.7 407.7 306.2 407.7 0.00 66 72 18435 -73.5 -88.5 8 15.0 -73.6 225 43 423.7 423.7 308.2 423.7 0.00 67 70 18600 -74.1 -89.1 8 15.0 -74.2 225 30 425.9 425.9 308.4 425.9 0.00 68 69 18684 -73.3 -88.3 8 15.0 -73.4 224 31 429.3 429.3 308.7 429.3 0.00 69 68 18769 -73.3 -88.3 8 15.0 -73.4 222 33 431.1 431.1 309.0 431.1 0.00 70 66 18942 -74.9 -88.9 10 14.0 -75.0 219 35 431.3 431.3 309.0 431.4 0.00 71 63 19212 -72.9 -88.9 7 16.0 -73.0 216 39 441.5 441.5 310.0 441.5 0.00 72 61 19400 -73.5 -89.5 7 16.0 -73.6 233 34 444.3 444.3 310.3 444.3 0.00 73 61 19400 -71.3 -88.3 6 17.0 -71.4 233 34 449.2 449.2 310.8 449.2 0.00 74 57 19798 -73.3 -89.3 7 16.0 -73.4 269 23 453.4 453.4 311.2 453.5 0.00 75 50 20570 -69.1 -89.1 4 20.0 -69.3 255 10 480.7 480.7 313.5 480.7 0.00 76 49 20691 -68.5 -88.5 4 20.0 -68.7 306 13 484.9 484.9 313.8 484.9 0.00 77 44 21338 -69.1 -89.1 4 20.0 -69.3 266 19 498.6 498.6 314.8 498.6 0.00 78 43 21476 -68.9 -89.9 3 21.0 -69.1 282 18 502.3 502.3 315.1 502.3 0.00 79 42 21618 -66.1 -88.1 3 22.0 -66.4 299 16 512.7 512.7 315.8 512.7 0.00 80 40 21914 -66.9 -89.9 3 23.0 -67.2 253 12 517.9 517.9 316.2 517.9 0.00 81 38 22225 -66.3 -90.3 2 24.0 -66.7 265 16 527.0 527.0 316.8 527.0 0.00 82 36 22557 -63.1 -89.1 2 26.0 -63.6 279 20 543.5 543.5 317.7 543.5 0.00 83 34 22908 -63.9 -88.9 2 25.0 -64.4 264 26 550.4 550.4 318.1 550.4 0.00 84 31 23477 -63.1 -89.1 2 26.0 -63.7 272 19 567.3 567.3 319.0 567.3 0.00 85 30 23680 -61.5 -88.5 2 27.0 -62.3 280 18 577.0 577.0 319.5 577.0 0.01 86 26 24562 -63.3 -89.3 2 26.0 -64.0 302 28 596.0 596.0 320.4 596.0 0.01 87 23 25319 -60.3 -88.3 1 28.0 -61.4 296 17 626.1 626.1 321.7 626.1 0.01 88 22 25595 -61.5 -89.5 1 28.0 -62.5 285 15 630.5 630.5 321.9 630.5 0.01 89 20 26190 -57.9 -87.9 1 30.0 -59.6 275 28 658.9 658.9 323.0 659.0 0.01 90 19 26514 -57.7 -88.7 1 31.0 -59.5 275 28 669.3 669.3 323.4 669.4 0.01 91 17 27217 -57.5 -87.5 1 30.0 -59.5 312 31 691.6 691.6 324.1 691.7 0.01 92 16 27603 -55.1 -87.1 1 32.0 -57.7 320 23 711.5 711.5 324.8 711.6 0.01 93 15 28018 -52.7 -86.7 1 34.0 -56.1 293 20 732.7 732.7 325.4 732.8 0.01 94 14 28464 -52.7 -85.7 1 33.0 -56.2 273 25 747.3 747.3 325.8 747.5 0.02 95 14 28464 -53.3 -86.3 1 33.0 -56.7 273 25 745.3 745.3 325.8 745.4 0.02 96 12 29464 -50.5 -85.5 1 35.0 -55.2 259 27 788.8 788.8 327.0 789.0 0.02 97 11 30030 -52.3 -84.3 1 32.0 -56.6 276 24 802.2 802.2 327.3 802.4 0.03 98 10 30650 -50.3 -84.3 1 34.0 -55.6 270 43 831.8 831.8 328.0 832.1 0.03 99 10 30650 -51.1 -84.1 1 33.0 -56.2 270 43 828.8 828.8 327.9 829.1 0.03 100 8.3 31870 -48.1 -83.1 1 35.0 -55.1 886.0 886.0 329.1 886.5 0.05 101 8.2 31950 -48.3 -83.3 1 35.0 -55.2 888.3 888.3 329.2 888.7 0.05 TRP 84 17544 -76.3 -91.3 8 15.0 -76.3 210 50 399.8 399.8 305.2 399.8 0.00 WND 173 13181 -60.4 -75.2 13 14.7 -60.6 220 81 351.3 351.3 296.9 351.4 0.01 Sounding variables and indices 1000-500 mb thick: 5661.00 m Freezing level: 634.29 mb = 3978.34 m = 13052.12 ft Wetbulb zero: 637.94 mb = 3931.49 m = 12898.42 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 86.33 % Est. max temperature: 23.93 C = 75.07 F Sfc-Lift cond lev (LCL): 877.33 mb = 1306.64 m = 4286.81 ft T: 15.94 C 700-500 lapse rate: 5.36 C/km ThetaE index: 1.31 C Layer 934.0- 925.0 mb Conv cond level (CCL): 728.91 mb = 2852.85 m = 9359.62 ft Mean mixing ratio: 7.98 g/kg Conv temperature: 26.61 C = 79.90 F Cap Strength: 4.57 C Lifted Index: 5.50 C Risk: None Lifted Index @300 mb: 8.42 C Lifted Index @700 mb: 3.18 C Showalter Index: 4.76 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 17.10 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 138.00 Risk: None Energy Index: 1.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.04 J/kg Max Up Vert Vel: 8.84 m/s Conv Inhibition (B-): 58876.94 J/kg Cap Strength: 5.36 C Lift Cond Lev (LCL): 808.52 mb = 1994.57 m = 6543.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 242 at 18 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 ---------------------------------------------------------- 0 937 751 80 3 -3.0 -0.5 | 65 21 -18.7 -8.8 1 925 858 145 14 -8.0 11.5 | 98 24 -23.7 3.1 2 919 914 145 14 -8.0 11.5 | 98 24 -23.7 3.1 3 886 1219 140 10 -6.4 7.7 | 88 22 -22.1 -0.7 4 855 1524 195 10 2.6 9.7 | 96 13 -13.1 1.3 5 850 1575 195 14 3.6 13.5 | 113 13 -12.1 5.2 6 824 1829 205 18 7.6 16.3 | 135 11 -8.1 8.0 7 795 2134 185 32 2.8 31.9 | 151 27 -12.9 23.6 8 766 2438 195 30 7.8 29.0 | 159 22 -7.9 20.7 9 738 2743 210 28 14.0 24.2 | 174 16 -1.7 15.9 10 712 3048 200 23 7.9 21.6 | 149 15 -7.8 13.3 11 700 3184 205 26 11.0 23.6 | 163 16 -4.7 15.2 12 659 3658 225 24 17.0 17.0 | 188 9 1.3 8.7 13 635 3962 225 26 18.4 18.4 | 195 10 2.7 10.1 14 611 4267 230 23 17.6 14.8 | 197 7 1.9 6.5 15 565 4877 235 25 20.5 14.3 | 218 8 4.8 6.0 16 500 5850 220 26 16.7 19.9 | 185 12 1.0 11.6 17 484 6096 215 27 15.5 22.1 | 179 14 -0.2 13.8 18 412 7315 200 32 10.9 30.1 | 168 22 -4.8 21.8 19 400 7540 205 36 15.2 32.6 | 179 24 -0.5 24.3 20 396 7620 205 35 14.8 31.7 | 178 23 -0.9 23.4 21 320 9144 210 41 20.5 35.5 | 190 28 4.8 27.2 22 300 9600 210 45 22.5 39.0 | 193 31 6.8 30.7 23 268 10363 210 47 23.5 40.7 | 194 33 7.8 32.4 24 250 10830 220 58 37.3 44.4 | 211 42 21.6 36.1 25 222 11582 225 71 50.2 50.2 | 219 54 34.5 41.9 26 200 12270 230 61 46.7 39.2 | 225 44 31.0 30.9 27 184 12802 230 59 45.2 37.9 | 225 42 29.5 29.6 28 173 13181 220 81 52.1 62.0 | 214 65 36.4 53.7 29 167 13411 220 81 52.1 62.0 | 214 65 36.4 53.7 30 150 14070 215 70 40.2 57.3 | 207 55 24.5 49.0 31 130 14935 220 69 44.4 52.9 | 213 53 28.7 44.5 32 124 15240 220 73 46.9 55.9 | 213 57 31.2 47.6 33 118 15545 215 74 42.4 60.6 | 207 59 26.7 52.3 34 106 16154 210 54 27.0 46.8 | 196 40 11.3 38.4 35 100 16520 210 52 26.0 45.0 | 196 38 10.3 36.7 36 96 16764 210 52 26.0 45.0 | 196 38 10.3 36.7 37 86 17374 215 60 34.4 49.1 | 205 45 18.7 40.8 38 84 17544 210 50 25.0 43.3 | 195 36 9.3 35.0 39 78 17983 210 49 24.5 42.4 | 194 35 8.8 34.1 40 74 18288 215 50 28.7 41.0 | 202 35 13.0 32.6 41 70 18593 235 35 28.7 20.1 | 228 18 13.0 11.8 42 70 18600 225 30 21.2 21.2 | 203 14 5.5 12.9 43 63 19202 215 39 22.4 31.9 | 196 25 6.7 23.6 44 57 19812 270 23 23.0 -0.0 | 319 11 7.3 -8.3 45 54 20117 255 21 20.3 5.4 | 302 5 4.6 -2.9 46 51 20422 270 18 18.0 -0.0 | 345 9 2.3 -8.3 47 50 20570 255 10 9.7 2.6 | 46 8 -6.0 -5.7 48 49 20726 320 14 9.0 -10.7 | 19 20 -6.7 -19.0 49 44 21336 265 19 18.9 1.7 | 334 7 3.2 -6.7 50 42 21641 300 16 13.9 -8.0 | 6 16 -1.8 -16.3 51 40 21946 250 12 11.3 4.1 | 46 6 -4.4 -4.2 52 36 22555 280 20 19.7 -3.5 | 341 12 4.0 -11.8 53 34 22860 265 28 27.9 2.4 | 296 14 12.2 -5.9 54 33 23165 260 20 19.7 3.5 | 320 6 4.0 -4.8 55 30 23680 280 18 17.7 -3.1 | 350 12 2.0 -11.4 56 28 24079 285 18 17.4 -4.7 | 353 13 1.7 -13.0 57 27 24384 305 24 19.7 -13.8 | 350 22 4.0 -22.1 58 25 24689 300 30 26.0 -15.0 | 336 25 10.3 -23.3 59 24 24994 310 19 14.6 -12.2 | 3 21 -1.1 -20.5 60 22 25603 285 15 14.5 -3.9 | 6 12 -1.2 -12.2 61 21 25908 270 13 13.0 -0.0 | 18 9 -2.7 -8.3 62 20 26190 275 28 27.9 -2.4 | 311 16 12.2 -10.8 63 20 26213 255 21 20.3 5.4 | 302 5 4.6 -2.9 64 18 26822 295 35 31.7 -14.8 | 325 28 16.0 -23.1 65 16 27432 320 29 18.6 -22.2 | 354 31 2.9 -30.5 66 16 27737 320 20 12.9 -15.3 | 7 24 -2.8 -23.6 67 14 28346 265 20 19.9 1.7 | 327 8 4.2 -6.6 68 13 28956 300 42 36.4 -21.0 | 325 36 20.7 -29.3 69 12 29261 270 27 27.0 -0.0 | 306 14 11.3 -8.3 70 12 29566 255 27 26.1 7.0 | 277 10 10.4 -1.3 71 11 29870 295 25 22.7 -10.6 | 340 20 7.0 -18.9 72 11 30175 260 24 23.6 4.2 | 298 9 7.9 -4.2 73 10 30650 270 43 43.0 -0.0 | 287 29 27.3 -8.3 Wind Parameters Mean winds (0-6000m): 212.1 at 23.7 knts Storm direction: 242.1 at 17.8 knts Shear (0-3000m) pos: 4.1 neg: 2.4 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 126.0 deg Storm rel helicity (0-3000m) pos: 205.0 neg: -42.7 tot: 162.3 m^2/s^2 ave: 54.1 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 14.0 stream: 6.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.58 Bulk Shear: 67.03 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 ------------------------------------------------------------------------------- 500 142 11 92 23| 9.4 0.0 9.4| 70.9 -16.2 54.7 109.3 0.58| 17.6 10.1 1000 164 12 99 19| 9.5 0.0 9.5|105.9 -16.2 89.7 89.7 0.60| 16.3 9.8 1500 180 16 117 18| 6.4 5.3 11.6|136.2 -16.2 120.0 80.0 0.51| 17.5 9.0 2000 187 20 130 17| 5.3 4.0 9.2|172.5 -16.2 156.3 78.2 0.53| 16.1 8.5 2500 192 21 136 17| 4.2 2.9 7.2|190.1 -42.7 147.4 59.0 0.42| 15.1 6.3 3000 197 21 142 15| 4.1 2.4 6.6|205.0 -42.7 162.3 54.1 0.44| 14.0 6.1 4000 206 22 153 13| 3.4 1.8 5.2|211.6 -42.7 168.9 42.2 0.44| 11.4 5.0 5000 212 23 162 12| 2.7 2.0 4.7|212.5 -54.5 158.0 31.6 0.36| 9.8 3.5 6000 212 24 165 12| 2.2 2.4 4.6|212.5 -67.8 144.7 24.1 0.30| 8.8 2.7 Wrote GIF file: /home/apache/climate/data/raob//KTWC/skewt/KTWC.skewt.20251224.18.gif