UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060500.upa.cvt Date: 0000Z 5 JUN 25 Searching for KCHS... Searching the city database file for: KCHS ... Date:0000Z 5 JUN 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 1016 15 24.8 22.7 88 2.1 23.3 95 7 296.6 299.7 295.9 346.7 17.34 1 1004 121 23.6 20.8 84 2.8 21.6 114 17 296.4 299.2 294.7 341.4 15.58 2 1000 156 22.0 20.4 91 1.6 20.9 120 20 295.1 297.9 294.0 338.9 15.26 3 972 403 20.8 19.7 93 1.1 20.1 123 22 296.3 299.1 294.2 339.7 15.03 4 953 575 19.6 18.5 93 1.1 18.9 129 23 296.8 299.4 293.8 337.8 14.20 5 925 832 18.4 17.4 94 1.0 17.7 135 24 298.1 300.6 293.7 337.7 13.64 6 911 963 17.8 16.9 94 0.9 17.2 133 25 298.8 301.3 293.8 337.9 13.41 7 895 1115 17.0 15.9 93 1.1 16.3 128 24 299.5 301.8 293.6 336.9 12.80 8 888 1182 16.8 15.9 94 0.9 16.2 126 23 300.0 302.3 293.7 337.7 12.90 9 857 1485 15.0 13.9 93 1.1 14.3 134 22 301.2 303.3 293.2 335.7 11.73 10 850 1555 15.0 13.9 93 1.1 14.3 130 22 301.9 304.0 293.5 336.8 11.83 11 807 1994 12.8 11.8 94 1.0 12.1 135 25 304.0 306.0 293.4 336.4 10.84 12 786 2215 11.6 10.4 92 1.2 10.9 129 27 305.1 306.9 293.2 335.4 10.13 13 755 2551 10.0 7.6 85 2.4 8.6 123 28 306.8 308.5 292.6 333.2 8.71 14 749 2618 9.8 7.6 86 2.2 8.5 122 27 307.3 309.0 292.8 334.0 8.78 15 731 2820 9.6 6.1 79 3.5 7.5 125 26 309.3 310.8 292.8 334.1 8.11 16 700 3179 7.0 5.2 88 1.8 5.9 150 24 310.2 311.7 293.0 334.7 7.95 17 690 3297 6.8 5.9 94 0.9 6.3 147 21 311.3 312.9 293.7 337.4 8.48 18 652 3762 5.0 2.8 86 2.2 3.8 148 15 314.3 315.7 293.6 336.9 7.20 19 619 4183 1.8 0.5 91 1.3 1.1 158 11 315.4 316.6 293.2 335.6 6.42 20 609 4315 1.8 -0.4 85 2.2 0.6 163 10 316.8 318.0 293.4 336.3 6.11 21 572 4818 -1.3 -2.4 92 1.1 -1.9 156 12 318.9 320.0 293.6 337.0 5.62 22 547 5174 -3.1 -5.2 85 2.1 -4.1 165 10 320.9 321.8 293.4 336.4 4.75 23 524 5513 -5.3 -6.8 89 1.5 -6.0 165 18 322.2 323.1 293.4 336.6 4.39 24 500 5880 -7.5 -9.4 86 1.9 -8.3 185 15 323.9 324.6 293.4 336.4 3.75 25 499 5896 -7.5 -9.3 87 1.8 -8.3 185 15 324.1 324.8 293.5 336.7 3.79 26 458 6560 -10.9 -20.9 44 10.0 -14.0 205 18 327.9 328.2 292.6 333.4 1.58 27 446 6764 -11.7 -19.7 51 8.0 -14.3 210 19 329.4 329.7 293.2 335.7 1.80 28 442 6833 -12.1 -21.1 47 9.0 -14.9 210 19 329.7 330.0 293.2 335.4 1.61 29 409 7423 -16.5 -18.7 83 2.2 -17.2 217 19 331.4 331.9 294.0 338.9 2.14 30 400 7590 -17.1 -20.2 77 3.1 -18.1 220 18 332.8 333.2 294.2 339.5 1.92 31 387 7836 -18.3 -22.4 70 4.1 -19.5 218 21 334.3 334.7 294.4 340.2 1.64 32 367 8229 -20.9 -25.9 64 5.0 -22.2 210 22 336.0 336.3 294.4 340.6 1.26 33 360 8371 -22.3 -27.1 65 4.8 -23.4 208 23 336.0 336.2 294.4 340.2 1.15 34 330 9002 -27.1 -30.7 71 3.6 -27.8 198 31 337.9 338.0 294.6 341.2 0.90 35 320 9223 -28.9 -32.2 73 3.3 -29.5 194 33 338.3 338.5 294.7 341.4 0.80 36 309 9471 -30.7 -34.1 72 3.4 -31.3 191 35 339.2 339.4 294.8 341.8 0.69 37 302 9633 -32.1 -35.2 74 3.1 -32.6 198 30 339.5 339.6 294.8 341.9 0.63 38 300 9680 -32.5 -35.6 74 3.1 -33.0 200 29 339.6 339.7 294.8 341.9 0.61 39 287 9991 -35.1 -37.7 77 2.6 -35.4 200 26 340.2 340.3 294.8 342.2 0.52 40 280 10164 -36.5 -40.6 66 4.1 -37.0 202 26 340.6 340.7 294.8 342.1 0.39 41 273 10339 -37.9 -41.3 70 3.4 -38.2 204 27 341.0 341.1 294.9 342.5 0.38 42 261 10648 -40.7 -44.6 66 3.9 -41.0 205 25 341.3 341.4 294.9 342.4 0.28 43 250 10940 -43.1 -46.5 69 3.4 -43.3 205 26 342.0 342.0 295.0 342.9 0.23 44 233 11410 -47.1 -49.9 73 2.8 -47.3 212 27 342.9 342.9 295.2 343.6 0.17 45 229 11524 -48.3 -51.2 72 2.9 -48.4 214 28 342.8 342.8 295.1 343.4 0.15 46 219 11816 -50.7 -54.2 66 3.5 -50.8 211 28 343.5 343.5 295.3 343.9 0.11 47 207 12180 -53.7 -57.5 63 3.8 -53.8 221 34 344.3 344.3 295.4 344.7 0.08 48 200 12400 -55.7 -59.2 65 3.5 -55.8 230 39 344.6 344.6 295.5 344.8 0.07 49 196 12528 -57.1 -60.1 69 3.0 -57.2 230 38 344.3 344.3 295.4 344.6 0.06 50 190 12723 -58.7 -62.1 65 3.4 -58.7 234 39 344.8 344.8 295.5 345.0 0.05 51 178 13130 -61.5 -64.2 70 2.7 -61.6 230 42 346.7 346.7 296.0 346.9 0.04 52 175 13235 -62.3 -65.1 69 2.8 -62.3 234 43 347.1 347.1 296.0 347.3 0.03 53 168 13485 -64.5 -66.8 73 2.3 -64.6 238 43 347.5 347.5 296.1 347.6 0.03 54 151 14130 -67.9 -71.4 61 3.5 -67.9 230 30 352.4 352.5 297.2 352.5 0.02 55 150 14170 -67.9 -71.3 62 3.4 -67.9 230 30 353.1 353.1 297.3 353.2 0.02 56 143 14458 -66.9 -70.8 58 3.9 -67.0 243 25 359.7 359.7 298.7 359.8 0.02 57 137 14716 -67.7 -71.9 55 4.2 -67.7 261 19 362.7 362.8 299.2 362.8 0.02 58 130 15033 -66.1 -70.8 52 4.7 -66.1 282 17 371.1 371.1 300.8 371.2 0.02 59 100 16610 -69.5 -78.5 26 9.0 -69.6 335 11 393.4 393.4 304.3 393.5 0.01 TRP 151 14130 -67.9 -71.4 61 3.5 -67.9 230 30 352.4 352.5 297.2 352.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5724.00 m Freezing level: 587.52 mb = 4607.17 m = 15115.19 ft Wetbulb zero: 599.89 mb = 4435.95 m = 14553.46 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 89.63 % Est. max temperature: 29.02 C = 84.24 F Sfc-Lift cond lev (LCL): 985.78 mb = 280.76 m = 921.11 ft T: 21.39 C 700-500 lapse rate: 5.37 C/km ThetaE index: 7.78 C Layer 1004.0- 972.0 mb Conv cond level (CCL): 932.00 mb = 766.91 m = 2516.06 ft Mean mixing ratio: 14.70 g/kg Conv temperature: 26.00 C = 78.80 F Cap Strength: 0.47 C Lifted Index: -0.37 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.05 C Lifted Index @700 mb: -0.40 C Showalter Index: 0.62 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 21.40 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 225.80 Risk: None Energy Index: -0.15 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.57 J/kg Max Up Vert Vel: 9.01 m/s Conv Inhibition (B-): 5.49 J/kg Cap Strength: 0.41 C Lift Cond Lev (LCL): 946.85 mb = 630.41 m = 2068.26 ft Lev Free Conv (LFC): 871.85 mb = 1338.77 m = 4392.24 ft Equ Level (EL): 741.85 mb = 2697.59 m = 8850.27 ft B at Equ Level: 21.04 J/kg Max Parcel Lev (MPL): 401.85 mb = 7555.29 m = 24787.40 ft Wind level data Storm motion: 169 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 1016 15 95 7 -7.0 0.6 | 17 14 -4.3 -13.7 1 1000 156 120 20 -17.3 10.0 | 74 15 -14.7 -4.3 2 983 305 120 22 -19.1 11.0 | 79 17 -16.4 -3.3 3 949 610 130 23 -17.6 14.8 | 92 15 -14.9 0.5 4 925 832 135 24 -17.0 17.0 | 101 15 -14.3 2.7 5 916 914 135 25 -17.7 17.7 | 103 15 -15.0 3.4 6 884 1219 125 23 -18.8 13.2 | 86 16 -16.2 -1.1 7 853 1524 135 22 -15.6 15.6 | 96 13 -12.9 1.3 8 850 1555 130 22 -16.9 14.1 | 89 14 -14.2 -0.2 9 823 1829 140 24 -15.4 18.4 | 108 13 -12.8 4.1 10 793 2134 130 26 -19.9 16.7 | 98 17 -17.2 2.4 11 765 2438 125 29 -23.8 16.6 | 96 21 -21.1 2.3 12 737 2743 120 26 -22.5 13.0 | 86 20 -19.8 -1.3 13 711 3048 140 26 -16.7 19.9 | 112 15 -14.0 5.6 14 700 3179 150 24 -12.0 20.8 | 125 11 -9.3 6.5 15 685 3353 145 19 -10.9 15.6 | 99 8 -8.2 1.3 16 659 3658 150 17 -8.5 14.7 | 94 6 -5.8 0.4 17 635 3962 145 12 -6.9 9.8 | 43 6 -4.2 -4.5 18 611 4267 165 10 -2.6 9.7 | 359 5 0.1 -4.6 19 588 4572 145 13 -7.5 10.6 | 53 6 -4.8 -3.6 20 567 4877 160 12 -4.1 11.3 | 25 3 -1.4 -3.0 21 545 5182 165 10 -2.6 9.7 | 359 5 0.1 -4.6 22 525 5486 165 18 -4.7 17.4 | 147 4 -2.0 3.1 23 506 5791 160 19 -6.5 17.9 | 133 5 -3.8 3.6 24 500 5880 185 15 1.3 14.9 | 261 4 4.0 0.7 25 486 6096 190 16 2.8 15.8 | 255 6 5.4 1.5 26 449 6706 210 19 9.5 16.5 | 260 12 12.2 2.2 27 431 7010 210 19 9.5 16.5 | 260 12 12.2 2.2 28 415 7315 215 19 10.9 15.6 | 265 14 13.6 1.3 29 400 7590 220 18 11.6 13.8 | 272 14 14.2 -0.5 30 398 7620 225 18 12.7 12.7 | 276 15 15.4 -1.6 31 382 7925 215 22 12.6 18.0 | 256 16 15.3 3.7 32 366 8230 210 22 11.0 19.1 | 251 14 13.7 4.8 33 351 8534 205 24 10.1 21.8 | 240 15 12.8 7.5 34 323 9144 195 33 8.5 31.9 | 213 21 11.2 17.6 35 310 9449 190 35 6.1 34.5 | 203 22 8.7 20.2 36 300 9680 200 29 9.9 27.3 | 224 18 12.6 13.0 37 297 9754 200 30 10.3 28.2 | 223 19 12.9 13.9 38 284 10058 200 25 8.6 23.5 | 231 15 11.2 9.2 39 272 10363 205 27 11.4 24.5 | 234 17 14.1 10.2 40 260 10668 205 25 10.6 22.7 | 238 16 13.2 8.4 41 250 10940 205 26 11.0 23.6 | 236 17 13.7 9.3 42 249 10973 205 27 11.4 24.5 | 234 17 14.1 10.2 43 237 11278 210 26 13.0 22.5 | 242 18 15.7 8.2 44 227 11582 215 29 16.6 23.8 | 244 21 19.3 9.5 45 216 11887 210 27 13.5 23.4 | 241 19 16.2 9.1 46 200 12400 230 39 29.9 25.1 | 252 34 32.5 10.8 47 197 12497 230 38 29.1 24.4 | 252 33 31.8 10.1 48 187 12802 235 40 32.8 22.9 | 256 36 35.4 8.7 49 178 13106 230 42 32.2 27.0 | 250 37 34.8 12.7 50 170 13411 240 44 38.1 22.0 | 259 41 40.8 7.7 51 154 14021 220 34 21.9 26.0 | 244 27 24.5 11.8 52 151 14130 230 30 23.0 19.3 | 259 26 25.7 5.0 53 150 14170 230 30 23.0 19.3 | 259 26 25.7 5.0 54 146 14326 230 29 22.2 18.6 | 260 25 24.9 4.3 55 139 14630 260 19 18.7 3.3 | 297 24 21.4 -11.0 56 132 14935 265 18 17.9 1.6 | 302 24 20.6 -12.7 57 126 15240 320 15 9.6 -11.5 | 334 29 12.3 -25.8 58 119 15545 280 9 8.9 -1.6 | 324 20 11.5 -15.9 59 113 15850 305 8 6.6 -4.6 | 334 21 9.2 -18.9 60 108 16154 295 14 12.7 -5.9 | 323 25 15.4 -20.2 61 103 16459 305 21 17.2 -12.0 | 323 33 19.9 -26.3 62 100 16610 335 11 4.6 -10.0 | 343 25 7.3 -24.3 63 97 16764 335 9 3.8 -8.2 | 344 23 6.5 -22.4 Wind Parameters Mean winds (0-6000m): 139.4 at 19.4 knts Storm direction: 169.4 at 14.5 knts Shear (0-3000m) pos: 3.2 neg: 1.3 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 91.2 deg Storm rel helicity (0-3000m) pos: 135.9 neg: -51.0 tot: 84.9 m^2/s^2 ave: 28.3 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 4.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 7.50 Bulk Shear: 5.41 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 ------------------------------------------------------------------------------- 500 120 19 73 15| 17.6 0.0 17.6| 69.4 0.0 69.4 138.7 0.96| 19.6 18.8 1000 127 22 85 15| 9.9 0.0 9.9| 85.0 -6.3 78.6 78.6 0.83| 12.9 10.7 1500 128 22 87 15| 5.9 0.0 5.9| 93.8 -18.7 75.0 50.0 0.63| 11.0 6.9 2000 130 22 91 15| 4.4 0.8 5.3|105.5 -25.7 79.8 39.9 0.55| 10.0 5.5 2500 129 23 92 15| 3.5 1.6 5.2|105.5 -38.3 67.2 26.9 0.42| 9.4 3.9 3000 129 24 93 16| 3.2 1.3 4.5|135.9 -51.0 84.9 28.3 0.41| 9.6 4.0 4000 133 23 94 14| 1.6 1.0 2.6|146.4 -68.9 77.5 19.4 0.22| 9.5 2.1 5000 135 20 90 12| 1.5 0.8 2.4|150.7 -75.1 75.6 15.1 0.17| 8.7 1.5 6000 139 19 92 10| 1.9 0.7 2.6|158.1 -76.8 81.2 13.5 0.25| 9.0 2.3 Wrote GIF file: /home/apache/climate/data/raob//KCHS/skewt/KCHS.skewt.20250605.00.gif