UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121612.upa.cvt Date: 1200Z 16 DEC 25 Searching for KCHS... Searching the city database file for: KCHS ... Date:1200Z 16 DEC 25 Station: KCHS WMO ident: 72208 Latitude: 32.90 Longitude: -80.03 Elevation: 15.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1026 15 -3.1 -6.9 75 3.8 -4.3 360 1 268.1 268.4 267.4 274.1 2.22 1 1010 138 2.4 -13.6 30 16.0 -2.4 329 4 274.8 275.0 270.2 278.5 1.32 2 1000 216 2.0 -8.0 47 10.0 -1.4 310 6 275.1 275.5 271.7 281.0 2.09 3 987 321 2.8 -2.2 70 5.0 0.8 294 5 277.0 277.5 274.6 286.1 3.29 4 950 632 7.2 -14.8 19 22.0 0.0 281 12 284.5 284.7 275.7 288.3 1.27 5 925 851 7.0 245 16 286.5 6 895 1121 5.4 245 15 287.5 7 891 1157 5.6 245 15 288.1 8 870 1352 6.0 257 13 290.5 9 866 1390 5.8 261 13 290.7 10 851 1532 4.8 274 11 291.1 11 850 1542 4.8 275 11 291.2 12 848 1561 5.0 277 11 291.6 13 833 1707 5.2 -28.8 6 34.0 -3.2 292 12 293.3 293.4 278.9 294.7 0.43 14 814 1895 4.4 -8.6 38 13.0 -0.7 307 13 294.4 294.8 282.1 301.8 2.45 15 808 1955 4.2 -8.8 38 13.0 -0.9 309 12 294.8 295.2 282.2 302.1 2.43 16 774 2305 4.8 -15.2 22 20.0 -2.2 309 14 299.1 299.4 283.0 303.8 1.51 17 767 2379 4.6 -17.4 18 22.0 -2.7 307 16 299.6 299.9 282.8 303.7 1.27 18 746 2604 4.4 -23.6 11 28.0 -3.8 297 19 301.8 302.0 283.1 304.3 0.76 19 738 2692 4.6 -26.4 8 31.0 -4.0 293 19 303.0 303.1 283.4 305.0 0.60 20 737 2703 4.6 -26.4 8 31.0 -4.0 292 20 303.1 303.2 283.4 305.1 0.60 21 700 3121 2.8 -27.2 9 30.0 -5.3 305 23 305.6 305.7 284.4 307.6 0.59 22 673 3437 0.4 -26.6 11 27.0 -6.8 301 22 306.4 306.5 284.8 308.5 0.65 23 667 3509 0.0 -28.0 10 28.0 -7.2 302 22 306.7 306.8 284.8 308.6 0.57 24 633 3925 -2.7 -27.7 13 25.0 -9.1 301 23 308.2 308.4 285.4 310.3 0.62 25 626 4013 -2.7 -30.7 10 28.0 -9.4 300 23 309.2 309.3 285.6 310.9 0.47 26 620 4089 -2.7 -29.7 10 27.0 -9.3 300 24 310.1 310.2 286.0 311.9 0.53 27 614 4166 -3.3 -35.3 6 32.0 -10.1 300 25 310.2 310.3 285.8 311.3 0.31 28 589 4492 -6.1 -19.1 35 13.0 -10.1 300 27 310.7 311.0 287.2 315.4 1.43 29 577 4653 -6.9 -31.9 12 25.0 -12.4 306 27 311.6 311.7 286.5 313.2 0.46 30 560 4885 -8.9 -31.9 14 23.0 -13.8 329 26 311.9 312.0 286.6 313.6 0.47 31 541 5151 -10.7 -34.7 12 24.0 -15.3 326 34 312.9 312.9 286.8 314.2 0.37 32 512 5571 -14.5 -34.5 17 20.0 -18.1 325 36 313.2 313.3 286.9 314.6 0.40 33 500 5750 -15.7 -35.7 16 20.0 -19.1 325 32 313.9 314.0 287.2 315.2 0.36 34 496 5810 -16.1 -36.1 16 20.0 -19.5 320 30 314.1 314.2 287.2 315.4 0.35 35 457 6420 -21.1 -28.1 53 7.0 -22.5 310 32 315.3 315.5 288.2 318.2 0.83 36 418 7073 -25.3 -39.3 26 14.0 -27.1 314 32 318.1 318.1 288.5 319.2 0.30 37 402 7354 -27.7 -42.7 23 15.0 -29.3 310 35 318.5 318.6 288.5 319.4 0.22 38 400 7390 -27.9 -42.9 23 15.0 -29.5 310 35 318.7 318.8 288.6 319.5 0.22 39 373 7889 -32.9 -44.9 29 12.0 -33.9 310 31 318.5 318.6 288.5 319.2 0.19 40 333 8680 -38.5 -57.5 12 19.0 -39.4 283 29 321.4 321.4 289.2 321.6 0.05 41 300 9390 -44.9 -60.9 15 16.0 -45.4 280 29 322.1 322.1 289.4 322.2 0.04 42 288 9661 -46.9 -61.9 16 15.0 -47.3 287 32 323.0 323.0 289.7 323.1 0.03 43 281 9823 -48.3 -63.3 16 15.0 -48.7 290 33 323.3 323.3 289.8 323.4 0.03 44 259 10353 -52.7 -66.7 17 14.0 -52.9 290 33 324.4 324.4 290.1 324.5 0.02 45 250 10580 -54.3 -67.3 19 13.0 -54.5 295 36 325.3 325.3 290.4 325.4 0.02 46 236 10947 -56.9 -68.9 21 12.0 -57.1 295 34 326.8 326.8 290.8 326.9 0.02 47 232 11054 -57.3 -69.3 20 12.0 -57.5 300 39 327.8 327.8 291.1 327.9 0.01 48 229 11137 -57.3 -69.3 20 12.0 -57.5 302 39 329.0 329.0 291.5 329.1 0.01 49 226 11220 -56.9 -68.9 21 12.0 -57.1 304 39 330.9 330.9 292.0 331.0 0.02 50 223 11304 -56.9 -68.9 21 12.0 -57.1 303 39 332.2 332.2 292.3 332.2 0.02 51 218 11448 -56.9 -69.9 18 13.0 -57.1 291 40 334.3 334.3 292.9 334.4 0.01 52 200 11990 -59.1 -73.1 15 14.0 -59.2 295 41 339.2 339.2 294.1 339.2 0.01 53 182 12585 -56.7 -72.7 12 16.0 -56.9 281 47 352.4 352.4 297.1 352.4 0.01 54 172 12943 -57.3 -74.3 10 17.0 -57.5 290 47 357.1 357.1 298.1 357.1 0.01 55 163 13283 -56.1 -74.1 9 18.0 -56.4 292 40 364.6 364.7 299.6 364.7 0.01 56 154 13644 -57.3 -76.3 7 19.0 -57.6 284 48 368.6 368.6 300.3 368.6 0.01 57 150 13810 -57.3 -76.3 7 19.0 -57.6 280 56 371.4 371.4 300.8 371.4 0.01 58 100 16330 -64.5 -88.5 2 24.0 -64.7 290 31 403.1 403.1 305.6 403.1 0.00 59 94 16705 -65.9 -89.9 2 24.0 -66.1 282 31 407.5 407.5 306.2 407.6 0.00 60 93 16770 -66.1 -91.1 2 25.0 -66.2 280 30 408.4 408.4 306.3 408.4 0.00 61 91 16901 -65.7 -90.7 2 25.0 -65.8 276 30 411.7 411.7 306.7 411.7 0.00 62 84 17384 -66.9 -92.9 1 26.0 -67.1 275 29 418.8 418.8 307.6 418.8 0.00 63 80 17678 -66.5 -93.5 1 27.0 -66.7 290 35 425.6 425.6 308.3 425.6 0.00 64 77 17909 -66.7 -93.7 1 27.0 -66.8 294 31 429.8 429.8 308.8 429.8 0.00 65 70 18480 -68.9 -94.9 1 26.0 -69.0 305 26 437.0 437.0 309.6 437.0 0.00 66 69 18566 -68.9 -94.9 1 26.0 -69.0 301 27 438.8 438.8 309.7 438.8 0.00 67 64 19017 -68.3 -95.3 1 27.0 -68.5 297 22 449.6 449.6 310.8 449.6 0.00 68 61 19306 -67.1 -94.1 1 27.0 -67.3 287 23 458.5 458.5 311.7 458.5 0.00 69 60 19406 -67.3 -94.3 1 27.0 -67.5 288 21 460.3 460.3 311.8 460.3 0.00 70 58 19610 -67.3 -94.3 1 27.0 -67.5 288 19 464.7 464.7 312.2 464.7 0.00 71 55 19931 -66.7 -93.7 1 27.0 -66.9 297 23 473.2 473.2 312.9 473.2 0.00 72 52 20271 -65.5 -92.5 1 27.0 -65.8 320 27 483.7 483.7 313.7 483.7 0.00 73 50 20510 -65.3 -92.3 1 27.0 -65.6 285 13 489.6 489.6 314.2 489.6 0.00 74 48 20760 -64.3 -91.3 1 27.0 -64.7 307 15 497.7 497.7 314.8 497.7 0.00 75 45 21155 -64.9 -91.9 1 27.0 -65.3 332 14 505.6 505.6 315.4 505.6 0.00 76 40 21873 -65.9 -91.9 1 26.0 -66.2 307 11 520.4 520.4 316.3 520.4 0.00 77 38 22185 -66.3 -92.3 1 26.0 -66.7 317 14 527.0 527.0 316.8 527.0 0.00 78 37 22347 -66.3 -92.3 1 26.0 -66.7 305 15 531.1 531.1 317.0 531.1 0.00 79 35 22685 -65.3 -91.3 2 26.0 -65.7 279 16 542.2 542.2 317.6 542.2 0.00 80 30 23630 -63.3 -89.3 2 26.0 -63.9 330 26 572.1 572.1 319.3 572.1 0.00 81 26 24512 -61.1 -87.1 2 26.0 -62.0 307 15 602.2 602.2 320.7 602.3 0.01 82 22 25543 -63.1 -88.1 2 25.0 -63.9 298 14 625.7 625.7 321.7 625.8 0.01 83 20 26130 -62.3 -87.3 2 25.0 -63.3 305 17 645.5 645.5 322.5 645.5 0.01 84 19 26447 -62.3 -87.3 2 25.0 -63.3 320 18 655.0 655.0 322.9 655.1 0.01 85 19 26447 -62.3 -87.3 2 25.0 -63.3 320 18 655.0 655.0 322.9 655.1 0.01 86 18 26781 -61.9 -86.9 2 25.0 -63.0 307 17 666.5 666.5 323.3 666.6 0.01 87 16 27514 -59.3 -84.3 3 25.0 -61.0 291 19 697.8 697.8 324.4 698.0 0.02 88 15 27918 -60.1 -85.1 2 25.0 -61.7 295 24 708.1 708.1 324.7 708.3 0.02 89 14 28348 -60.3 -84.3 3 24.0 -62.0 301 30 721.6 721.6 325.1 721.8 0.02 90 14 28348 -60.3 -85.3 2 25.0 -62.0 301 30 721.6 721.6 325.1 721.7 0.02 TRP 232 11054 -57.3 -69.3 20 12.0 -57.5 300 39 327.8 327.8 291.1 327.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5534.00 m Freezing level: Surface below freezing Freezing level: 1016.98 mb = 84.11 m = 275.94 ft Freezing level: 667.00 mb = 3508.75 m = 11511.50 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 19.77 % Est. max temperature: 18.79 C = 65.82 F Sfc-Lift cond lev (LCL): 966.36 mb = 493.39 m = 1618.72 ft T: 5.23 C 700-500 lapse rate: 7.04 C/km ThetaE index: 0.16 C Layer 767.0- 746.0 mb Conv cond level (CCL): 480.08 mb = 6053.37 m = 19859.89 ft Mean mixing ratio: 1.92 g/kg Conv temperature: 43.79 C = 110.82 F Cap Strength: 24.50 C Lifted Index: 24.48 C Risk: None Lifted Index @300 mb: 26.45 C Lifted Index @700 mb: 21.94 C Showalter Index: 18.44 C Risk: None Total Totals Index: 9.55 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: -10.95 C K Index: -36.15 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 4.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.45 J/kg Max Up Vert Vel: 10.90 m/s Conv Inhibition (B-): 55172.23 J/kg Cap Strength: 24.48 C Lift Cond Lev (LCL): 789.47 mb = 2143.51 m = 7032.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 335 at 15 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 1026 15 360 1 -0.0 -1.0 | 153 15 -6.6 13.0 1 1000 216 310 6 4.6 -3.9 | 169 10 -2.0 10.2 2 989 305 295 5 4.5 -2.1 | 170 12 -2.0 11.9 3 953 610 285 12 11.6 -3.1 | 205 12 5.0 10.9 4 925 851 245 16 14.5 6.8 | 201 22 7.9 20.8 5 918 914 245 16 14.5 6.8 | 201 22 7.9 20.8 6 884 1219 245 15 13.6 6.3 | 199 22 7.0 20.4 7 850 1542 275 11 11.0 -1.0 | 199 14 4.4 13.1 8 821 1829 305 13 10.6 -7.5 | 212 8 4.1 6.6 9 790 2134 315 11 7.8 -7.8 | 191 6 1.2 6.3 10 761 2438 305 17 13.9 -9.8 | 240 9 7.4 4.3 11 733 2743 290 20 18.8 -6.8 | 240 14 12.2 7.2 12 706 3048 305 23 18.8 -13.2 | 266 12 12.3 0.8 13 700 3121 305 23 18.8 -13.2 | 266 12 12.3 0.8 14 680 3353 300 22 19.1 -11.0 | 256 13 12.5 3.0 15 654 3658 305 23 18.8 -13.2 | 266 12 12.3 0.8 16 629 3962 300 23 19.9 -11.5 | 259 14 13.3 2.5 17 604 4267 300 27 23.4 -13.5 | 268 17 16.8 0.5 18 581 4572 300 27 23.4 -13.5 | 268 17 16.8 0.5 19 559 4877 330 26 13.0 -22.5 | 323 11 6.4 -8.5 20 538 5182 325 36 20.6 -29.5 | 318 21 14.1 -15.5 21 517 5486 325 37 21.2 -30.3 | 318 22 14.7 -16.3 22 500 5750 325 32 18.4 -26.2 | 316 17 11.8 -12.2 23 497 5791 320 30 19.3 -23.0 | 305 16 12.7 -8.9 24 477 6096 320 31 19.9 -23.7 | 306 17 13.4 -9.7 25 458 6401 310 32 24.5 -20.6 | 290 19 17.9 -6.5 26 439 6706 310 36 27.6 -23.1 | 293 23 21.0 -9.1 27 421 7010 315 31 21.9 -21.9 | 297 17 15.4 -7.9 28 404 7315 310 35 26.8 -22.5 | 293 22 20.2 -8.5 29 400 7390 310 35 26.8 -22.5 | 293 22 20.2 -8.5 30 387 7620 310 34 26.0 -21.9 | 292 21 19.5 -7.8 31 370 7925 310 30 23.0 -19.3 | 288 17 16.4 -5.2 32 339 8534 285 31 29.9 -8.0 | 256 24 23.4 6.0 33 325 8839 280 26 25.6 -4.5 | 243 21 19.0 9.5 34 311 9144 270 31 31.0 -0.0 | 240 28 24.4 14.0 35 300 9390 280 29 28.6 -5.0 | 248 24 22.0 9.0 36 297 9449 280 29 28.6 -5.0 | 248 24 22.0 9.0 37 284 9754 290 33 31.0 -11.3 | 264 25 24.4 2.8 38 271 10058 290 33 31.0 -11.3 | 264 25 24.4 2.8 39 258 10363 290 33 31.0 -11.3 | 264 25 24.4 2.8 40 250 10580 295 36 32.6 -15.2 | 273 26 26.1 -1.2 41 247 10668 300 37 32.0 -18.5 | 280 26 25.5 -4.5 42 235 10973 295 34 30.8 -14.4 | 271 24 24.2 -0.3 43 232 11054 300 39 33.8 -19.5 | 281 28 27.2 -5.5 44 224 11278 305 39 31.9 -22.4 | 288 27 25.4 -8.3 45 213 11582 280 41 40.4 -7.1 | 258 35 33.8 6.9 46 200 11990 295 41 37.2 -17.3 | 276 31 30.6 -3.3 47 194 12192 290 42 39.5 -14.4 | 271 33 32.9 -0.3 48 185 12497 280 45 44.3 -7.8 | 261 38 37.7 6.2 49 176 12802 285 52 50.2 -13.5 | 269 44 43.7 0.6 50 168 13106 295 42 38.1 -17.7 | 277 32 31.5 -3.7 51 160 13411 290 38 35.7 -13.0 | 268 29 29.1 1.0 52 150 13810 280 56 55.1 -9.7 | 265 49 48.6 4.3 53 145 14021 280 55 54.2 -9.6 | 265 48 47.6 4.5 54 138 14326 285 48 46.4 -12.4 | 268 40 39.8 1.6 55 131 14630 300 52 45.0 -26.0 | 287 40 38.5 -12.0 56 125 14935 305 43 35.2 -24.7 | 290 31 28.7 -10.6 57 119 15240 300 39 33.8 -19.5 | 281 28 27.2 -5.5 58 113 15545 290 44 41.3 -15.0 | 272 35 34.8 -1.0 59 108 15850 285 40 38.6 -10.4 | 263 32 32.1 3.7 60 103 16154 295 41 37.2 -17.3 | 276 31 30.6 -3.3 61 100 16330 290 31 29.1 -10.6 | 261 23 22.6 3.4 62 98 16459 290 31 29.1 -10.6 | 261 23 22.6 3.4 63 88 17069 270 30 30.0 -0.0 | 239 27 23.4 14.0 64 84 17374 275 29 28.9 -2.5 | 243 25 22.3 11.5 65 80 17678 290 35 32.9 -12.0 | 266 26 26.3 2.1 66 76 17983 295 30 27.2 -12.7 | 266 21 20.6 1.4 67 72 18288 270 27 27.0 -0.0 | 236 25 20.4 14.0 68 70 18480 305 26 21.3 -14.9 | 273 15 14.7 -0.9 69 69 18593 300 27 23.4 -13.5 | 268 17 16.8 0.5 70 65 18898 305 19 15.6 -10.9 | 251 10 9.0 3.1 71 62 19202 285 26 25.1 -6.7 | 248 20 18.5 7.3 72 59 19507 290 18 16.9 -6.2 | 233 13 10.3 7.9 73 56 19812 285 21 20.3 -5.4 | 238 16 13.7 8.6 74 53 20117 315 27 19.1 -19.1 | 292 14 12.5 -5.1 75 51 20422 325 27 15.5 -22.1 | 312 12 8.9 -8.1 76 50 20510 285 13 12.6 -3.4 | 209 12 6.0 10.7 77 46 21031 330 17 8.5 -14.7 | 290 2 1.9 -0.7 78 44 21336 335 10 4.2 -9.1 | 155 5 -2.3 5.0 79 42 21641 315 10 7.1 -7.1 | 184 7 0.5 7.0 80 40 21946 305 11 9.0 -6.3 | 198 8 2.4 7.7 81 38 22250 320 15 9.6 -11.5 | 230 4 3.1 2.5 82 36 22555 275 16 15.9 -1.4 | 217 16 9.4 12.6 83 34 22860 285 17 16.4 -4.4 | 226 14 9.9 9.6 84 32 23165 320 17 10.9 -13.0 | 257 4 4.4 1.0 85 31 23470 315 17 12.0 -12.0 | 250 6 5.5 2.0 86 30 23630 330 26 13.0 -22.5 | 323 11 6.4 -8.5 87 28 24079 330 25 12.5 -21.7 | 322 10 5.9 -7.6 88 27 24384 315 16 11.3 -11.3 | 240 5 4.7 2.7 89 24 24994 275 12 12.0 -1.0 | 203 14 5.4 13.0 90 23 25298 310 16 12.3 -10.3 | 237 7 5.7 3.8 91 22 25603 295 14 12.7 -5.9 | 217 10 6.1 8.1 92 21 25908 330 26 13.0 -22.5 | 323 11 6.4 -8.5 93 20 26130 305 17 13.9 -9.8 | 240 9 7.4 4.3 94 19 26213 325 18 10.3 -14.7 | 281 4 3.8 -0.7 95 18 26518 300 16 13.9 -8.0 | 230 9 7.3 6.0 96 16 26822 290 19 17.9 -6.5 | 236 14 11.3 7.5 97 14 27127 300 29 25.1 -14.5 | 271 19 18.5 -0.5 98 13 27432 305 33 27.0 -18.9 | 283 21 20.5 -4.9 99 10 28042 300 24 20.8 -12.0 | 262 14 14.2 2.0 Wind Parameters Mean winds (0-6000m): 304.9 at 20.7 knts Storm direction: 334.9 at 15.5 knts Shear (0-3000m) pos: 3.0 neg: 3.7 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 109.5 deg Storm rel helicity (0-3000m) pos: 71.3 neg: -19.7 tot: 51.6 m^2/s^2 ave: 17.2 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 3.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.94 Bulk Shear: 30.72 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 ------------------------------------------------------------------------------- 500 299 5 171 12| 0.0 9.8 9.8| 24.5 0.0 24.5 49.0 0.67| 12.5 8.4 1000 270 10 193 14| 0.0 8.3 8.3| 32.4 -10.5 21.9 21.9 0.34| 13.0 4.5 1500 262 11 196 16| 2.6 5.5 8.2| 35.7 -14.9 20.8 13.9 0.25| 11.4 2.9 2000 271 11 199 15| 3.9 4.1 8.1| 42.4 -17.6 24.9 12.4 0.22| 10.8 2.4 2500 280 12 203 13| 3.2 4.4 7.6| 52.9 -19.1 33.8 13.5 0.28| 10.4 2.9 3000 285 13 210 12| 3.0 3.7 6.7| 71.3 -19.7 51.6 17.2 0.32| 10.2 3.3 4000 292 16 224 11| 2.3 3.0 5.2| 79.3 -29.1 50.2 12.5 0.29| 8.5 2.4 5000 297 18 238 11| 3.2 2.6 5.8|130.3 -30.5 99.7 19.9 0.38| 8.9 3.4 6000 305 21 258 11| 2.7 2.5 5.2|131.5 -51.6 79.9 13.3 0.28| 8.7 2.4 Wrote GIF file: /home/apache/climate/data/raob//KCHS/skewt/KCHS.skewt.20251216.12.gif