UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for KCHS... Searching the city database file for: KCHS ... Date:0000Z 6 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 1013 15 10.8 10.3 97 0.5 10.5 340 2 282.9 284.2 283.1 304.3 7.78 1 1007 62 10.2 8.3 88 1.9 9.2 351 4 282.8 284.0 282.0 301.6 6.83 2 1000 117 9.6 7.9 89 1.7 8.7 5 7 282.8 283.9 281.8 301.2 6.69 3 984 251 8.8 7.3 90 1.5 8.0 16 12 283.3 284.4 281.9 301.3 6.52 4 952 526 10.8 10.8 100 0.0 10.8 325 17 288.0 289.5 286.0 312.0 8.57 5 943 605 12.0 12.0 100 0.0 12.0 306 18 290.0 291.6 287.6 316.4 9.38 6 925 767 13.4 11.5 88 1.9 12.3 290 26 293.0 294.7 288.5 319.4 9.25 7 919 822 13.6 11.5 87 2.1 12.3 286 27 293.8 295.4 288.9 320.4 9.31 8 903 970 14.6 12.4 87 2.2 13.2 280 32 296.3 298.1 290.4 325.4 10.07 9 888 1112 14.2 11.5 84 2.7 12.5 280 36 297.3 299.0 290.3 325.3 9.64 10 865 1334 13.6 10.5 82 3.1 11.7 276 42 298.9 300.6 290.6 326.0 9.25 11 850 1481 12.8 10.1 84 2.7 11.2 270 44 299.6 301.2 290.7 326.5 9.17 12 834 1641 12.4 10.3 87 2.1 11.1 268 46 300.8 302.5 291.3 328.7 9.47 13 803 1958 10.8 8.1 83 2.7 9.2 265 51 302.3 303.9 291.0 327.5 8.47 14 775 2253 8.4 6.3 87 2.1 7.2 265 53 302.8 304.3 290.6 326.0 7.75 15 749 2535 6.6 2.6 76 4.0 4.4 265 54 303.9 305.0 289.5 322.5 6.17 16 710 2973 4.0 1.4 83 2.6 2.6 258 53 305.7 306.8 289.9 323.8 5.97 17 700 3088 3.6 0.7 81 2.9 2.1 255 53 306.5 307.5 290.0 324.1 5.76 18 691 3193 3.4 -0.5 76 3.9 1.4 253 53 307.4 308.4 289.9 323.8 5.34 19 685 3264 3.2 -0.2 78 3.4 1.4 252 52 307.9 309.0 290.2 324.9 5.51 20 679 3335 3.2 0.8 84 2.4 2.0 250 52 308.7 309.8 290.9 327.1 5.98 21 613 4156 -1.7 -3.3 89 1.6 -2.5 245 66 312.2 313.2 291.0 327.6 4.89 22 583 4554 -4.5 -6.7 85 2.2 -5.5 245 63 313.5 314.2 290.6 326.1 3.97 23 557 4912 -6.7 -8.5 87 1.8 -7.5 245 66 315.0 315.7 290.7 326.6 3.61 24 552 4982 -7.1 -8.9 87 1.8 -7.8 245 67 315.3 316.0 290.7 326.7 3.53 25 541 5139 -7.3 -8.8 89 1.5 -7.9 245 70 316.9 317.6 291.3 328.7 3.64 26 500 5750 -10.3 -12.9 81 2.6 -11.3 255 68 320.5 321.0 291.7 329.9 2.83 27 482 6033 -11.7 -14.7 78 3.0 -12.8 259 70 322.1 322.6 291.9 330.6 2.54 28 454 6490 -14.9 -17.2 83 2.3 -15.7 254 78 323.7 324.1 292.0 331.1 2.19 29 436 6796 -16.9 -19.5 80 2.6 -17.7 251 79 324.9 325.3 292.1 331.3 1.87 30 415 7166 -19.3 -21.6 82 2.3 -20.0 254 81 326.4 326.8 292.3 332.1 1.64 31 400 7440 -21.3 -23.8 80 2.5 -22.0 255 84 327.3 327.6 292.3 332.2 1.40 32 334 8740 -30.7 -33.7 75 3.0 -31.2 250 84 331.8 331.9 292.9 334.2 0.66 33 318 9085 -33.3 -36.1 76 2.8 -33.7 250 90 332.8 333.0 293.0 334.9 0.55 34 300 9490 -36.5 -39.7 72 3.2 -36.8 250 95 333.9 334.0 293.2 335.5 0.40 35 286 9821 -39.1 -43.3 64 4.2 -39.5 253 97 334.8 334.9 293.3 335.9 0.29 36 274 10114 -41.9 -46.4 61 4.5 -42.2 255 99 334.9 334.9 293.3 335.7 0.22 37 267 10290 -43.5 -47.6 64 4.1 -43.7 255 98 335.0 335.1 293.3 335.8 0.19 38 251 10704 -47.3 -51.7 61 4.4 -47.5 258 96 335.4 335.4 293.3 335.9 0.13 39 250 10730 -47.5 -51.9 60 4.4 -47.7 260 95 335.4 335.5 293.3 336.0 0.13 40 225 11416 -53.7 -57.3 65 3.6 -53.8 264 100 336.2 336.2 293.4 336.5 0.07 41 214 11735 -56.5 -60.4 61 3.9 -56.6 265 103 336.7 336.7 293.6 336.9 0.05 42 206 11975 -58.9 -62.4 64 3.5 -59.0 265 106 336.6 336.6 293.5 336.8 0.04 43 200 12160 -60.3 -63.9 63 3.6 -60.3 265 111 337.3 337.3 293.7 337.4 0.04 44 195 12317 -61.7 -65.4 61 3.7 -61.7 268 109 337.5 337.5 293.7 337.6 0.03 45 183 12707 -65.5 -68.8 63 3.3 -65.5 265 111 337.5 337.5 293.7 337.6 0.02 46 169 13187 -69.9 -72.8 66 2.9 -69.9 265 112 338.0 338.0 293.8 338.0 0.01 47 167 13257 -70.5 -73.6 63 3.1 -70.5 265 112 338.1 338.1 293.9 338.1 0.01 48 164 13365 -70.5 -74.1 59 3.6 -70.5 265 113 339.9 339.9 294.3 339.9 0.01 49 162 13438 -69.9 -73.9 56 4.0 -69.9 265 113 342.1 342.1 294.8 342.1 0.01 50 160 13512 -69.3 -73.2 57 3.9 -69.3 265 114 344.3 344.3 295.4 344.3 0.01 51 152 13820 -67.3 -72.3 49 5.0 -67.4 265 126 352.8 352.8 297.3 352.9 0.01 52 150 13900 -67.3 -72.3 49 5.0 -67.4 265 135 354.2 354.2 297.5 354.2 0.01 53 148 13981 -67.2 -72.4 48 5.2 -67.2 265 135 355.7 355.7 297.8 355.8 0.01 54 140 14316 -66.7 -72.7 42 6.0 -66.8 265 135 362.3 362.3 299.1 362.3 0.01 55 133 14626 -67.3 -74.3 36 7.0 -67.4 280 112 366.5 366.5 299.9 366.6 0.01 56 122 15148 -66.3 -74.3 32 8.0 -66.4 268 94 377.5 377.5 301.9 377.6 0.01 57 120 15248 -66.3 -74.3 32 8.0 -66.4 265 95 379.3 379.3 302.2 379.4 0.01 58 109 15825 -69.7 -79.7 22 10.0 -69.8 265 88 383.5 383.5 302.8 383.5 0.01 59 106 15992 -69.3 -79.3 22 10.0 -69.4 267 90 387.3 387.3 303.4 387.4 0.01 60 100 16340 -68.5 -79.5 19 11.0 -68.6 280 76 395.4 395.4 304.6 395.4 0.01 61 94 16710 -67.5 -80.5 14 13.0 -67.6 272 69 404.4 404.4 305.8 404.4 0.01 62 93 16774 -67.5 -80.5 14 13.0 -67.6 270 67 405.6 405.6 306.0 405.7 0.01 63 76 17975 -70.7 -86.7 8 16.0 -70.8 270 63 423.1 423.1 308.1 423.1 0.00 64 73 18213 -70.7 -86.7 8 16.0 -70.8 270 53 428.0 428.0 308.6 428.0 0.00 65 70 18460 -72.1 -89.1 6 17.0 -72.2 270 48 430.1 430.1 308.9 430.1 0.00 66 64 18991 -69.3 -88.3 5 19.0 -69.4 267 45 447.4 447.4 310.6 447.5 0.00 67 60 19376 -70.1 -90.1 4 20.0 -70.2 267 40 454.0 454.0 311.3 454.0 0.00 68 57 19682 -68.9 -89.9 3 21.0 -69.1 277 39 463.4 463.4 312.1 463.4 0.00 69 56 19788 -68.3 -89.3 3 21.0 -68.5 284 38 467.1 467.1 312.4 467.2 0.00 70 55 19896 -68.5 -90.5 3 22.0 -68.7 285 39 469.1 469.1 312.5 469.1 0.00 71 50 20470 -66.5 -90.5 2 24.0 -66.8 300 22 486.8 486.8 314.0 486.8 0.00 72 46 20977 -64.7 -90.7 2 26.0 -65.0 298 23 502.9 502.9 315.1 502.9 0.00 73 43 21387 -66.7 -92.7 1 26.0 -67.0 287 22 507.7 507.7 315.5 507.7 0.00 74 39 21982 -63.3 -92.3 1 29.0 -63.8 248 15 530.7 530.7 316.9 530.7 0.00 75 39 21982 -63.3 -92.3 1 29.0 -63.8 248 15 530.7 530.7 316.9 530.7 0.00 76 35 22645 -64.9 -92.9 1 28.0 -65.3 270 19 543.2 543.2 317.7 543.2 0.00 77 34 22821 -65.1 -93.1 1 28.0 -65.5 270 17 547.2 547.2 317.9 547.2 0.00 78 32 23193 -62.9 -91.9 1 29.0 -63.5 287 16 562.7 562.7 318.8 562.7 0.00 79 31 23389 -61.9 -91.9 1 30.0 -62.6 300 17 570.5 570.5 319.2 570.5 0.00 80 30 23592 -61.9 290 17 575.9 TRP 167 13257 -70.5 -73.6 63 3.1 -70.5 265 112 338.1 338.1 293.9 338.1 0.01 WND 148 13981 -67.2 -72.4 48 5.2 -67.2 265 135 355.7 355.7 297.8 355.8 0.01 Sounding variables and indices 1000-500 mb thick: 5633.00 m Freezing level: 635.90 mb = 3871.45 m = 12701.47 ft Wetbulb zero: 650.05 mb = 3685.04 m = 12089.88 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 85.65 % Est. max temperature: 26.94 C = 80.49 F Sfc-Lift cond lev (LCL): 1005.46 mb = 74.06 m = 242.99 ft T: 10.07 C 700-500 lapse rate: 5.22 C/km ThetaE index: 6.21 C Layer 803.0- 710.0 mb Conv cond level (CCL): 1007.00 mb = 61.96 m = 203.28 ft Mean mixing ratio: 8.02 g/kg Conv temperature: 11.15 C = 52.07 F Cap Strength: 10.64 C Lifted Index: 12.18 C Risk: None Lifted Index @300 mb: 17.39 C Lifted Index @700 mb: 7.86 C Showalter Index: 2.69 C Risk: Showers probable Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.40 C K Index: 30.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 277.20 Risk: None Energy Index: 0.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.59 J/kg Max Up Vert Vel: 10.16 m/s Conv Inhibition (B-): 29057.96 J/kg Cap Strength: 11.89 C Lift Cond Lev (LCL): 947.79 mb = 562.80 m = 1846.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 286 at 39 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 1013 15 340 2 0.7 -1.9 | 104 38 -36.6 9.1 1 1000 117 5 7 -0.6 -7.0 | 96 38 -37.9 4.0 2 978 305 20 14 -4.8 -13.2 | 87 42 -42.1 -2.2 3 943 610 305 18 14.7 -10.3 | 92 23 -22.5 0.6 4 925 767 290 26 24.4 -8.9 | 99 13 -12.8 2.1 5 909 914 280 30 29.5 -5.2 | 127 10 -7.7 5.7 6 877 1219 280 40 39.4 -6.9 | 208 5 2.1 4.0 7 850 1481 270 44 44.0 -0.0 | 212 13 6.7 10.9 8 815 1829 265 49 48.8 4.3 | 217 19 11.5 15.2 9 786 2134 265 53 52.8 4.6 | 225 22 15.5 15.6 10 757 2438 265 54 53.8 4.7 | 227 23 16.5 15.7 11 730 2743 265 53 52.8 4.6 | 225 22 15.5 15.6 12 700 3088 255 53 51.2 13.7 | 209 28 13.9 24.7 13 677 3353 250 52 48.9 17.8 | 202 31 11.6 28.7 14 651 3658 245 64 58.0 27.0 | 209 43 20.7 38.0 15 627 3962 245 68 61.6 28.7 | 212 47 24.4 39.7 16 603 4267 245 65 58.9 27.5 | 209 44 21.6 38.4 17 580 4572 245 63 57.1 26.6 | 208 42 19.8 37.6 18 558 4877 245 66 59.8 27.9 | 210 45 22.6 38.8 19 537 5182 245 71 64.3 30.0 | 213 49 27.1 41.0 20 517 5486 250 68 63.9 23.3 | 218 43 26.6 34.2 21 500 5750 255 68 65.7 17.6 | 225 40 28.4 28.5 22 478 6096 260 71 69.9 12.3 | 235 40 32.7 23.3 23 459 6401 255 77 74.4 19.9 | 230 48 37.1 30.9 24 441 6706 250 79 74.2 27.0 | 224 53 37.0 38.0 25 407 7315 255 82 79.2 21.2 | 233 53 41.9 32.2 26 400 7440 255 84 81.1 21.7 | 233 55 43.9 32.7 27 390 7620 255 85 82.1 22.0 | 234 56 44.8 32.9 28 374 7925 255 83 80.2 21.5 | 233 54 42.9 32.4 29 358 8230 250 77 72.4 26.3 | 223 51 35.1 37.3 30 329 8839 250 85 79.9 29.1 | 227 58 42.6 40.0 31 315 9144 250 92 86.5 31.5 | 229 65 49.2 42.4 32 302 9449 250 95 89.3 32.5 | 230 68 52.0 43.4 33 300 9490 250 95 89.3 32.5 | 230 68 52.0 43.4 34 276 10058 255 99 95.6 25.6 | 238 69 58.4 36.6 35 252 10668 255 97 93.7 25.1 | 237 67 56.4 36.0 36 250 10730 260 95 93.6 16.5 | 244 63 56.3 27.4 37 241 10973 260 95 93.6 16.5 | 244 63 56.3 27.4 38 219 11582 265 102 101.6 8.9 | 253 67 64.3 19.8 39 209 11887 265 104 103.6 9.1 | 253 69 66.3 20.0 40 200 12160 265 111 110.6 9.7 | 254 76 73.3 20.6 41 199 12192 270 109 109.0 -0.0 | 261 73 71.7 10.9 42 189 12497 265 110 109.6 9.6 | 254 75 72.3 20.5 43 171 13106 265 112 111.6 9.8 | 254 77 74.3 20.7 44 167 13257 265 112 111.6 9.8 | 254 77 74.3 20.7 45 155 13716 265 115 114.6 10.0 | 255 80 77.3 21.0 46 150 13900 265 135 134.5 11.8 | 257 100 97.2 22.7 47 148 13981 265 135 134.5 11.8 | 257 100 97.2 22.7 48 140 14326 265 135 134.5 11.8 | 257 100 97.2 22.7 49 133 14630 280 111 109.3 -19.3 | 277 73 72.0 -8.3 50 126 14935 275 93 92.6 -8.1 | 267 55 55.4 2.8 51 120 15240 265 95 94.6 8.3 | 251 61 57.4 19.2 52 114 15545 260 101 99.5 17.5 | 245 68 62.2 28.5 53 108 15850 265 87 86.7 7.6 | 249 53 49.4 18.5 54 103 16154 270 93 93.0 -0.0 | 259 57 55.7 10.9 55 100 16340 280 76 74.8 -13.2 | 273 38 37.6 -2.3 56 98 16459 280 77 75.8 -13.4 | 274 39 38.6 -2.4 57 88 17069 260 58 57.1 10.1 | 223 29 19.9 21.0 58 84 17374 255 60 58.0 15.5 | 218 34 20.7 26.5 59 80 17678 260 62 61.1 10.8 | 228 32 23.8 21.7 60 76 17983 270 63 63.0 -0.0 | 247 28 25.7 10.9 61 72 18288 270 49 49.0 -0.0 | 227 16 11.7 10.9 62 70 18460 270 48 48.0 -0.0 | 224 15 10.7 10.9 63 68 18593 280 46 45.3 -8.0 | 250 9 8.0 3.0 64 65 18898 265 49 48.8 4.3 | 217 19 11.5 15.2 65 62 19202 270 38 38.0 -0.0 | 184 11 0.7 10.9 66 59 19507 265 41 40.8 3.6 | 194 15 3.6 14.5 67 56 19812 285 38 36.7 -9.8 | 153 1 -0.6 1.1 68 53 20117 285 42 40.6 -10.9 | 269 3 3.3 0.1 69 50 20422 290 43 40.4 -14.7 | 320 5 3.1 -3.8 70 50 20470 300 22 19.1 -11.0 | 90 18 -18.2 -0.1 71 47 20726 300 22 19.1 -11.0 | 90 18 -18.2 -0.1 72 44 21031 295 25 22.7 -10.6 | 91 15 -14.6 0.4 73 41 21336 270 15 15.0 -0.0 | 116 25 -22.3 10.9 74 38 21641 240 15 13.0 7.5 | 127 30 -24.3 18.4 75 36 21946 270 21 21.0 -0.0 | 124 20 -16.3 10.9 76 33 22250 270 15 15.0 -0.0 | 116 25 -22.3 10.9 77 31 22555 300 17 14.7 -8.5 | 96 23 -22.5 2.4 78 29 22860 280 16 15.8 -2.8 | 111 23 -21.5 8.2 79 27 23165 310 14 10.7 -9.0 | 94 27 -26.5 1.9 80 25 23470 270 14 14.0 -0.0 | 115 26 -23.3 10.9 81 23 23774 265 12 12.0 1.0 | 115 28 -25.3 12.0 Wind Parameters Mean winds (0-6000m): 256.4 at 51.8 knts Storm direction: 286.4 at 38.8 knts Shear (0-3000m) pos: 0.0 neg: 9.1 tot: 9.1 10-3/s Storm rel Dir Shear (0-3000m): 108.4 deg Storm rel helicity (0-3000m) pos: 86.5 neg: -183.6 tot: -97.0 m^2/s^2 ave: -32.3 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 15.0 stream: 0.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.13 Bulk Shear: 410.17 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 1 11 90 37| 0.0 15.2 15.2| 2.0-145.5-143.5 -287.0 -0.53| 26.9-14.4 1000 309 18 89 23| 0.0 16.6 16.6| 54.1-145.5 -91.5 -91.5 -0.02| 27.1 -0.5 1500 290 25 100 14| 0.0 15.0 15.0| 62.8-145.5 -82.8 -55.2 0.08| 23.5 1.9 2000 280 31 129 9| 0.0 13.1 13.1| 77.2-145.5 -68.3 -34.1 0.11| 19.7 2.2 2500 275 35 166 8| 0.0 11.0 11.0| 86.5-146.2 -59.7 -23.9 0.13| 16.3 2.1 3000 272 38 187 10| 0.0 9.1 9.1| 86.5-183.6 -97.0 -32.3 0.05| 15.0 0.7 4000 263 44 201 17| 0.0 8.7 8.7|145.1-219.5 -74.4 -18.6 0.05| 14.1 0.7 5000 258 48 205 23| 0.0 7.0 7.0|178.3-247.4 -69.0 -13.8 0.05| 12.2 0.6 6000 256 52 209 27| 1.4 5.9 7.3|351.6-247.4 104.2 17.4 0.15| 11.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//KCHS/skewt/KCHS.skewt.20251206.00.gif