UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for KCHS... Searching the city database file for: KCHS ... Date:0000Z 2 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 1021 15 11.2 8.4 83 2.8 9.7 45 3 282.7 283.8 281.9 301.3 6.78 1 1016 56 10.4 6.5 77 3.9 8.3 51 5 282.3 283.3 280.8 298.8 5.98 2 1000 187 9.0 6.0 81 3.0 7.5 70 10 282.1 283.2 280.6 298.3 5.86 3 972 422 7.6 5.9 89 1.7 6.7 72 18 283.0 284.1 281.2 299.6 5.99 4 949 621 10.6 10.6 100 0.0 10.6 102 21 288.0 289.5 285.9 311.8 8.48 5 941 692 10.8 10.8 100 0.0 10.8 113 18 288.9 290.5 286.5 313.3 8.67 6 925 835 10.6 10.2 97 0.4 10.4 135 11 290.1 291.6 286.8 314.1 8.47 7 917 907 10.4 8.5 88 1.9 9.3 135 9 290.7 292.0 286.1 312.3 7.61 8 886 1194 11.8 6.8 71 5.0 9.0 167 5 295.0 296.2 287.2 315.3 7.01 9 880 1251 11.6 6.6 71 5.0 8.8 173 6 295.4 296.6 287.3 315.6 6.96 10 850 1539 9.2 4.9 74 4.3 6.9 195 9 295.8 296.9 286.9 314.4 6.40 11 824 1796 7.4 4.4 81 3.0 5.8 204 9 296.5 297.7 287.1 315.2 6.37 12 811 1927 7.0 3.5 78 3.5 5.1 205 11 297.4 298.5 287.2 315.3 6.07 13 768 2375 5.8 -1.2 61 7.0 2.4 213 19 300.8 301.7 286.9 314.6 4.56 14 758 2482 5.8 -5.2 45 11.0 0.8 217 20 302.0 302.6 286.2 312.4 3.42 15 737 2712 4.6 -3.4 56 8.0 0.8 228 21 303.1 303.8 287.2 315.4 4.04 16 723 2868 4.2 -3.8 56 8.0 0.5 238 22 304.3 305.0 287.6 316.6 3.99 17 700 3131 2.6 -5.4 56 8.0 -1.0 255 22 305.4 306.0 287.6 316.7 3.65 18 696 3177 2.4 -5.6 55 8.0 -1.2 256 24 305.6 306.3 287.7 316.9 3.62 19 564 4838 -9.1 -10.6 89 1.5 -9.7 250 46 311.0 311.6 288.9 320.7 3.02 20 508 5640 -13.7 -16.5 79 2.8 -14.6 271 46 314.9 315.3 289.3 321.7 2.07 21 500 5760 -14.3 -17.0 80 2.7 -15.2 280 47 315.6 316.0 289.5 322.3 2.02 22 494 5851 -14.7 -17.3 81 2.6 -15.5 280 48 316.2 316.6 289.6 322.8 1.99 23 451 6535 -18.9 -22.0 76 3.1 -19.7 278 55 319.3 319.6 290.0 324.2 1.46 24 439 6736 -20.1 -23.0 78 2.9 -20.8 275 59 320.2 320.5 290.2 324.9 1.37 25 405 7329 -23.5 -26.6 76 3.1 -24.2 269 56 323.3 323.5 290.9 327.1 1.07 26 400 7420 -24.1 -27.1 76 3.0 -24.7 265 71 323.7 323.9 290.9 327.3 1.04 27 387 7661 -24.7 -27.5 77 2.8 -25.3 264 73 326.0 326.2 291.6 329.6 1.03 28 367 8044 -27.9 -31.3 73 3.4 -28.5 260 86 326.7 326.8 291.6 329.4 0.76 29 353 8322 -29.9 -33.1 74 3.2 -30.4 259 77 327.6 327.8 291.7 330.1 0.67 30 329 8819 -33.7 -37.0 72 3.3 -34.1 255 81 329.1 329.2 291.9 330.9 0.49 31 321 8991 -34.7 -37.9 73 3.2 -35.1 257 85 330.0 330.1 292.2 331.7 0.45 32 305 9346 -37.5 -40.9 70 3.4 -37.8 263 88 330.9 331.0 292.3 332.3 0.35 33 300 9460 -38.5 -41.8 71 3.3 -38.8 265 87 331.1 331.2 292.3 332.3 0.32 34 286 9784 -41.3 -44.7 70 3.4 -41.6 265 88 331.7 331.7 292.4 332.6 0.25 35 266 10269 -44.5 -48.1 67 3.6 -44.7 268 99 333.9 334.0 293.0 334.7 0.18 36 258 10472 -45.5 -48.8 69 3.3 -45.7 272 101 335.4 335.4 293.3 336.1 0.18 37 251 10654 -46.9 -50.4 67 3.5 -47.1 275 103 336.0 336.0 293.4 336.6 0.15 38 250 10680 -47.1 -50.6 67 3.5 -47.3 275 101 336.0 336.1 293.5 336.6 0.15 39 232 11174 -50.5 -54.7 61 4.2 -50.7 278 106 338.1 338.2 294.0 338.5 0.10 40 221 11491 -53.1 -57.5 59 4.4 -53.2 277 107 338.9 338.9 294.1 339.2 0.07 41 200 12130 -58.5 -62.4 61 3.9 -58.6 280 103 340.1 340.1 294.4 340.3 0.04 42 192 12384 -60.9 -64.7 61 3.8 -61.0 278 107 340.3 340.3 294.4 340.4 0.03 43 188 12514 -61.7 -65.5 60 3.8 -61.7 280 106 341.0 341.0 294.6 341.2 0.03 44 175 12951 -65.3 -68.7 63 3.4 -65.3 280 106 342.2 342.2 294.8 342.3 0.02 45 155 13677 -70.5 -73.5 64 3.0 -70.5 289 118 345.4 345.4 295.6 345.4 0.01 46 153 13753 -71.0 -74.2 62 3.2 -71.1 290 119 345.8 345.8 295.7 345.8 0.01 47 152 13792 -71.3 -74.6 61 3.3 -71.3 290 119 346.0 346.0 295.7 346.0 0.01 48 150 13870 -71.3 -75.1 57 3.8 -71.3 290 117 347.3 347.3 296.0 347.3 0.01 49 142 14196 -70.3 -74.7 52 4.4 -70.4 284 110 354.5 354.5 297.6 354.6 0.01 50 130 14720 -71.7 -77.7 40 6.0 -71.7 267 94 361.1 361.1 298.9 361.1 0.01 51 112 15615 -65.3 -75.3 24 10.0 -65.4 273 81 388.8 388.8 303.6 388.8 0.01 52 109 15781 -65.9 -75.9 24 10.0 -66.0 267 72 390.7 390.7 303.9 390.7 0.01 53 100 16300 -69.7 -80.7 19 11.0 -69.8 260 62 393.1 393.1 304.2 393.1 0.01 54 94 16667 -71.1 -83.1 15 12.0 -71.2 256 63 397.3 397.3 304.8 397.3 0.00 55 93 16730 -70.9 -82.9 15 12.0 -71.0 255 63 398.9 398.9 305.0 399.0 0.00 56 82 17479 -69.1 -84.1 10 15.0 -69.2 270 55 417.2 417.2 307.4 417.3 0.00 57 73 18171 -70.7 -87.7 6 17.0 -70.8 265 46 428.0 428.0 308.6 428.0 0.00 58 70 18420 -69.9 -87.9 6 18.0 -70.0 250 43 434.8 434.8 309.3 434.9 0.00 59 65 18863 -68.3 -87.3 5 19.0 -68.4 246 45 447.7 447.7 310.6 447.7 0.00 60 65 18863 -68.1 -87.1 5 19.0 -68.2 246 45 448.1 448.1 310.7 448.1 0.00 61 61 19243 -69.3 -89.3 4 20.0 -69.4 261 49 453.6 453.6 311.2 453.6 0.00 62 57 19649 -68.7 -89.7 3 21.0 -68.9 265 32 463.9 463.9 312.1 463.9 0.00 63 52 20197 -70.3 -92.3 3 22.0 -70.5 254 28 472.5 472.5 312.8 472.5 0.00 64 50 20430 -69.5 -93.5 2 24.0 -69.6 250 33 479.7 479.7 313.4 479.7 0.00 65 42 21485 -62.5 -90.5 1 28.0 -63.0 278 36 521.6 521.6 316.4 521.6 0.00 66 39 21941 -62.3 -91.3 1 29.0 -62.9 270 20 533.2 533.2 317.1 533.3 0.00 67 36 22433 -62.9 -91.9 1 29.0 -63.4 266 31 544.0 544.0 317.8 544.1 0.00 68 36 22433 -62.9 -91.9 1 29.0 -63.4 266 31 544.0 544.0 317.8 544.1 0.00 69 34 22785 -61.7 -91.7 1 30.0 -62.4 269 31 556.2 556.2 318.4 556.2 0.00 70 33 22970 -61.3 -91.3 1 30.0 -62.0 270 30 562.0 562.0 318.8 562.0 0.00 71 31 23357 -61.7 -91.7 1 30.0 -62.4 289 27 571.1 571.1 319.2 571.1 0.00 72 30 23560 -60.3 -90.3 1 30.0 -61.2 300 26 580.3 580.3 319.7 580.3 0.00 73 29 23771 -60.3 -90.3 1 30.0 -61.2 290 27 585.9 585.9 319.9 585.9 0.00 74 24 24945 -62.7 -91.7 1 29.0 -63.5 236 17 611.5 611.5 321.1 611.5 0.00 75 21 25767 -63.3 -92.3 1 29.0 -64.1 266 22 633.5 633.5 322.0 633.5 0.00 76 20 26070 -59.1 -90.1 1 31.0 -60.6 260 31 655.3 655.3 322.9 655.3 0.01 77 19 26393 -57.5 -89.5 1 32.0 -59.3 242 23 669.9 669.9 323.4 670.0 0.01 78 18 26735 -56.3 -88.3 1 32.0 -58.4 257 28 684.2 684.2 323.9 684.2 0.01 79 17 27099 -55.7 -87.7 1 32.0 -58.0 263 31 697.4 697.4 324.3 697.4 0.01 80 16 27486 -54.9 -86.9 1 32.0 -57.6 260 31 712.2 712.2 324.8 712.3 0.01 81 16 27486 -55.1 -87.1 1 32.0 -57.7 260 31 711.5 711.5 324.8 711.6 0.01 82 15 27898 -54.9 -86.9 1 32.0 -57.7 274 26 725.4 725.4 325.2 725.5 0.01 83 14 28341 -53.3 -86.3 1 33.0 -56.7 282 22 745.3 745.3 325.8 745.4 0.02 84 14 28341 -52.9 -85.9 1 33.0 -56.4 282 22 746.7 746.7 325.8 746.8 0.02 85 13 28817 -54.5 -86.5 1 32.0 -57.7 283 19 757.1 757.1 326.1 757.3 0.02 86 12 29330 -54.5 -86.5 1 32.0 -57.9 282 15 774.6 774.7 326.6 774.8 0.02 87 12 29330 -54.3 -72.3 9 18.0 -57.5 282 15 775.4 775.4 326.7 777.1 0.18 TRP 152 13792 -71.3 -74.6 61 3.3 -71.3 290 119 346.0 346.0 295.7 346.0 0.01 WND 153 13753 -71.0 -74.2 62 3.2 -71.1 290 119 345.8 345.8 295.7 345.8 0.01 Sounding variables and indices 1000-500 mb thick: 5573.00 m Freezing level: 668.45 mb = 3523.88 m = 11561.14 ft Wetbulb zero: 715.79 mb = 2949.76 m = 9677.56 ft Precipitable water: 1.11 inches Sfc-500 mean rel hum: 74.86 % Est. max temperature: 24.09 C = 75.37 F Sfc-Lift cond lev (LCL): 978.67 mb = 365.61 m = 1199.51 ft T: 7.94 C 700-500 lapse rate: 6.43 C/km ThetaE index: 3.00 C Layer 1016.0- 972.0 mb Conv cond level (CCL): 987.75 mb = 289.09 m = 948.44 ft Mean mixing ratio: 7.01 g/kg Conv temperature: 11.07 C = 51.92 F Cap Strength: 11.12 C Lifted Index: 11.46 C Risk: None Lifted Index @300 mb: 18.90 C Lifted Index @700 mb: 9.44 C Showalter Index: 5.28 C Risk: None Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.20 C K Index: 20.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 123.80 Risk: None Energy Index: 1.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.41 J/kg Max Up Vert Vel: 8.76 m/s Conv Inhibition (B-): 45820.80 J/kg Cap Strength: 11.06 C Lift Cond Lev (LCL): 949.25 mb = 618.93 m = 2030.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 19 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 1021 15 45 3 -2.1 -2.1 | 92 21 -21.0 0.6 1 1000 187 70 10 -9.4 -3.4 | 89 28 -28.3 -0.7 2 986 305 55 15 -12.3 -8.6 | 79 32 -31.2 -5.9 3 950 610 100 22 -21.7 3.8 | 99 41 -40.6 6.6 4 925 835 135 11 -7.8 7.8 | 111 29 -26.7 10.5 5 916 914 135 9 -6.4 6.4 | 110 27 -25.3 9.1 6 883 1219 170 5 -0.9 4.9 | 111 21 -19.8 7.7 7 852 1524 200 11 3.8 10.3 | 131 20 -15.1 13.1 8 850 1539 195 9 2.3 8.7 | 125 20 -16.6 11.4 9 820 1829 205 9 3.8 8.2 | 126 19 -15.1 10.9 10 791 2134 205 14 5.9 12.7 | 140 20 -13.0 15.4 11 762 2438 215 20 11.5 16.4 | 159 21 -7.4 19.1 12 734 2743 230 21 16.1 13.5 | 170 16 -2.8 16.2 13 707 3048 250 23 21.6 7.9 | 194 11 2.7 10.6 14 700 3131 255 22 21.3 5.7 | 196 9 2.3 8.4 15 680 3353 260 30 29.5 5.2 | 233 13 10.6 7.9 16 654 3658 265 27 26.9 2.4 | 238 9 8.0 5.1 17 629 3962 245 25 22.7 10.6 | 196 14 3.7 13.3 18 605 4267 250 29 27.3 9.9 | 213 15 8.3 12.6 19 582 4572 250 34 31.9 11.6 | 222 19 13.0 14.4 20 560 4877 250 49 46.0 16.8 | 234 33 27.1 19.5 21 538 5182 250 50 47.0 17.1 | 235 34 28.1 19.8 22 518 5486 260 44 43.3 7.6 | 247 27 24.4 10.4 23 500 5760 280 47 46.3 -8.2 | 281 28 27.4 -5.4 24 498 5791 280 47 46.3 -8.2 | 281 28 27.4 -5.4 25 478 6096 280 51 50.2 -8.9 | 281 32 31.3 -6.1 26 459 6401 280 53 52.2 -9.2 | 281 34 33.3 -6.5 27 440 6706 275 59 58.8 -5.1 | 273 40 39.9 -2.4 28 406 7315 270 54 54.0 -0.0 | 266 35 35.1 2.7 29 400 7420 265 71 70.7 6.2 | 260 53 51.8 8.9 30 389 7620 265 71 70.7 6.2 | 260 53 51.8 8.9 31 373 7925 260 91 89.6 15.8 | 255 73 70.7 18.5 32 357 8230 260 76 74.8 13.2 | 254 58 55.9 15.9 33 327 8839 255 81 78.2 21.0 | 248 64 59.3 23.7 34 314 9144 260 90 88.6 15.6 | 255 72 69.7 18.4 35 300 9460 265 87 86.7 7.6 | 261 69 67.8 10.3 36 287 9754 265 87 86.7 7.6 | 261 69 67.8 10.3 37 274 10058 265 97 96.6 8.5 | 262 79 77.7 11.2 38 250 10668 275 103 102.6 -9.0 | 274 84 83.7 -6.2 39 250 10680 275 101 100.6 -8.8 | 274 82 81.7 -6.1 40 239 10973 275 100 99.6 -8.7 | 274 81 80.7 -6.0 41 228 11278 280 110 108.3 -19.1 | 280 91 89.4 -16.4 42 218 11582 275 106 105.6 -9.2 | 274 87 86.7 -6.5 43 208 11887 275 106 105.6 -9.2 | 274 87 86.7 -6.5 44 200 12130 280 103 101.4 -17.9 | 280 84 82.5 -15.2 45 198 12192 275 109 108.6 -9.5 | 274 90 89.7 -6.8 46 188 12497 280 106 104.4 -18.4 | 280 87 85.5 -15.7 47 179 12802 280 106 104.4 -18.4 | 280 87 85.5 -15.7 48 170 13106 280 107 105.4 -18.6 | 280 88 86.5 -15.9 49 153 13753 290 119 111.8 -40.7 | 292 100 92.9 -38.0 50 152 13792 290 119 111.8 -40.7 | 292 100 92.9 -38.0 51 150 13870 290 117 109.9 -40.0 | 292 98 91.0 -37.3 52 146 14021 290 119 111.8 -40.7 | 292 100 92.9 -38.0 53 132 14630 270 88 88.0 -0.0 | 268 69 69.1 2.7 54 126 14935 260 106 104.4 18.4 | 256 88 85.5 21.1 55 119 15240 270 109 109.0 -0.0 | 268 90 90.1 2.7 56 113 15545 275 85 84.7 -7.4 | 274 66 65.8 -4.7 57 108 15850 265 68 67.7 5.9 | 260 50 48.8 8.7 58 102 16154 265 58 57.8 5.1 | 259 40 38.9 7.8 59 100 16300 260 62 61.1 10.8 | 252 44 42.1 13.5 60 92 16764 255 63 60.9 16.3 | 246 46 41.9 19.0 61 88 17069 265 71 70.7 6.2 | 260 53 51.8 8.9 62 83 17374 265 57 56.8 5.0 | 259 39 37.9 7.7 63 79 17678 280 52 51.2 -9.0 | 281 33 32.3 -6.3 64 75 17983 265 44 43.8 3.8 | 255 26 24.9 6.6 65 72 18288 265 47 46.8 4.1 | 256 29 27.9 6.8 66 70 18420 250 43 40.4 14.7 | 231 28 21.5 17.4 67 68 18593 250 44 41.3 15.0 | 232 29 22.4 17.8 68 65 18898 245 45 40.8 19.0 | 225 31 21.9 21.7 69 61 19202 260 51 50.2 8.9 | 250 33 31.3 11.6 70 58 19507 265 32 31.9 2.8 | 247 14 13.0 5.5 71 55 19812 265 33 32.9 2.9 | 248 15 14.0 5.6 72 53 20117 260 30 29.5 5.2 | 233 13 10.6 7.9 73 50 20422 235 24 19.7 13.8 | 183 17 0.8 16.5 74 50 20430 250 33 31.0 11.3 | 221 19 12.1 14.0 75 45 21031 265 41 40.8 3.6 | 254 23 21.9 6.3 76 43 21336 270 40 40.0 -0.0 | 263 21 21.1 2.7 77 41 21641 285 32 30.9 -8.3 | 295 13 12.0 -5.6 78 39 21946 270 20 20.0 -0.0 | 202 3 1.1 2.7 79 35 22555 265 34 33.9 3.0 | 249 16 15.0 5.7 80 34 22860 270 30 30.0 -0.0 | 256 11 11.1 2.7 81 32 23165 270 29 29.0 -0.0 | 255 10 10.1 2.7 82 30 23470 300 26 22.5 -13.0 | 341 11 3.6 -10.3 83 30 23560 300 26 22.5 -13.0 | 341 11 3.6 -10.3 84 29 23774 290 27 25.4 -9.2 | 315 9 6.5 -6.5 85 28 24079 305 21 17.2 -12.0 | 10 9 -1.7 -9.3 86 26 24384 290 19 17.9 -6.5 | 16 4 -1.1 -3.8 87 25 24689 240 13 11.3 6.5 | 140 12 -7.7 9.2 88 24 24994 235 18 14.7 10.3 | 162 14 -4.2 13.1 89 23 25298 240 21 18.2 10.5 | 177 13 -0.7 13.2 90 22 25603 280 21 20.7 -3.6 | 297 2 1.8 -0.9 91 21 25908 255 23 22.2 6.0 | 201 9 3.3 8.7 92 20 26070 260 31 30.5 5.4 | 235 14 11.6 8.1 93 19 26213 240 22 19.1 11.0 | 181 14 0.1 13.7 94 17 26518 265 31 30.9 2.7 | 246 13 12.0 5.4 95 16 26822 260 31 30.5 5.4 | 235 14 11.6 8.1 96 15 27127 280 23 22.7 -4.0 | 289 4 3.7 -1.3 97 13 27432 285 20 19.3 -5.2 | 351 2 0.4 -2.4 98 12 27737 275 15 14.9 -1.3 | 110 4 -4.0 1.4 99 11 28042 330 12 6.0 -10.4 | 59 15 -12.9 -7.7 100 10 28346 340 14 4.8 -13.2 | 54 18 -14.1 -10.4 101 9 28651 290 26 24.4 -8.9 | 318 8 5.5 -6.2 102 8 28956 280 25 24.6 -4.3 | 286 6 5.7 -1.6 103 8 29261 255 27 26.1 7.0 | 216 12 7.2 9.7 Wind Parameters Mean winds (0-6000m): 248.2 at 25.5 knts Storm direction: 278.2 at 19.1 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 99.3 deg Storm rel helicity (0-3000m) pos: 338.5 neg: -59.1 tot: 279.4 m^2/s^2 ave: 93.1 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 14.6 stream: 6.8 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.20 Bulk Shear: 190.60 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 68 12 86 31| 18.2 0.0 18.2| 71.5 -43.0 28.6 57.2 0.08| 23.9 1.9 1000 93 14 96 33| 4.5 0.0 4.5|201.0 -47.7 153.4 153.4 0.31| 24.4 7.4 1500 108 11 102 30| 4.7 0.0 4.7|240.6 -49.6 191.0 127.4 0.37| 19.9 7.3 2000 129 11 110 29| 3.8 0.0 3.8|256.9 -59.1 197.8 98.9 0.35| 16.5 5.8 2500 159 12 121 27| 4.8 0.0 4.8|307.0 -59.1 247.8 99.1 0.43| 15.2 6.6 3000 187 14 133 24| 4.4 0.0 4.4|338.5 -59.1 279.4 93.1 0.47| 14.6 6.8 4000 226 17 155 16| 4.0 1.1 5.0|362.3 -80.8 281.5 70.4 0.38| 13.8 5.3 5000 238 21 175 14| 4.0 1.7 5.6|425.4 -80.8 344.6 68.9 0.40| 13.5 5.4 6000 248 25 201 13| 3.8 1.4 5.3|593.6 -81.2 512.4 85.4 0.47| 13.7 6.5 Wrote GIF file: /home/apache/climate/data/raob//KCHS/skewt/KCHS.skewt.20251202.00.gif