UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for KSLC... Searching the city database file for: KSLC ... Date:1200Z 6 DEC 25 Station: KSLC WMO ident: 72572 Latitude: 40.78 Longitude: -111.97 Elevation: 1288.00 ------------------------------------------------------------------------------- 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 109 1 925 762 SFC 868 1288 6.0 3.5 84 2.5 4.7 150 5 290.7 291.7 284.2 306.9 5.67 3 863 1335 5.8 1.9 76 3.9 3.9 125 4 291.0 291.9 283.7 305.6 5.09 4 855 1411 5.2 1.4 76 3.8 3.4 85 3 291.1 292.0 283.5 305.4 4.95 5 850 1459 4.6 0.8 76 3.8 2.8 60 2 291.0 291.8 283.3 304.7 4.77 6 847 1488 4.6 0.7 76 3.9 2.7 102 2 291.3 292.1 283.4 305.0 4.75 7 833 1624 5.4 1.2 74 4.2 3.3 184 4 293.5 294.4 284.6 308.1 5.01 8 826 1693 5.2 0.9 74 4.3 3.1 204 6 294.0 294.9 284.7 308.4 4.94 9 804 1913 3.8 0.2 77 3.6 2.1 253 14 294.8 295.6 284.9 308.9 4.83 10 798 1974 3.8 0.5 79 3.3 2.2 259 16 295.4 296.3 285.3 310.0 4.97 11 787 2087 3.0 -0.1 80 3.1 1.5 270 21 295.7 296.6 285.3 309.9 4.83 12 738 2605 -0.3 -2.7 84 2.4 -1.4 283 37 297.6 298.4 285.4 310.3 4.25 13 709 2925 -2.1 -5.6 77 3.5 -3.6 293 44 299.1 299.7 285.2 309.8 3.55 14 700 3026 -2.9 -6.0 79 3.1 -4.2 295 47 299.3 299.9 285.2 309.8 3.49 15 688 3162 -3.9 -6.8 80 2.9 -5.1 299 49 299.6 300.3 285.2 309.8 3.34 16 668 3394 -5.9 -10.4 70 4.5 -7.5 297 51 299.9 300.4 284.5 307.9 2.59 17 660 3488 -6.7 -10.9 72 4.2 -8.2 296 52 300.1 300.5 284.5 307.8 2.52 18 657 3523 -7.1 -11.3 72 4.2 -8.6 296 52 300.0 300.5 284.4 307.6 2.45 19 607 4135 -10.3 -12.1 87 1.8 -10.9 287 46 303.2 303.7 285.7 311.0 2.49 20 565 4683 -13.7 -16.4 80 2.7 -14.5 282 46 305.5 305.8 285.8 311.5 1.88 21 530 5165 -17.1 -19.3 83 2.2 -17.7 290 51 307.0 307.3 286.1 312.1 1.57 22 526 5222 -17.3 -19.5 83 2.2 -17.9 290 53 307.5 307.7 286.2 312.5 1.55 23 522 5279 -17.7 -19.8 84 2.1 -18.3 291 55 307.6 307.9 286.2 312.6 1.52 24 509 5467 -18.5 -20.7 83 2.2 -19.1 293 63 308.9 309.2 286.6 313.6 1.44 25 508 5482 -18.5 -20.7 83 2.2 -19.1 294 63 309.1 309.3 286.7 313.8 1.45 26 504 5541 -18.5 -20.7 83 2.2 -19.1 294 66 309.8 310.1 286.9 314.6 1.46 27 500 5600 -18.5 -20.8 82 2.3 -19.1 295 68 310.5 310.8 287.2 315.3 1.46 28 487 5797 -17.9 -19.8 85 1.9 -18.4 290 75 313.6 313.9 288.4 319.0 1.63 29 485 5828 -17.9 -19.8 85 1.9 -18.4 291 76 313.9 314.3 288.5 319.4 1.64 30 464 6157 -20.3 -22.5 83 2.2 -20.8 295 84 314.9 315.2 288.6 319.5 1.35 31 447 6433 -22.3 -24.7 81 2.4 -22.8 298 86 315.8 316.0 288.6 319.7 1.15 32 421 6871 -25.7 -28.3 79 2.6 -26.2 300 88 316.9 317.1 288.7 320.0 0.88 33 415 6975 -26.5 -29.1 79 2.6 -26.9 300 88 317.2 317.4 288.8 320.1 0.83 34 400 7240 -28.5 -31.2 78 2.7 -28.9 300 91 317.9 318.1 288.9 320.4 0.71 35 377 7662 -32.1 -35.3 73 3.2 -32.5 306 94 318.6 318.7 288.9 320.4 0.50 36 361 7967 -34.9 -37.9 74 3.0 -35.2 310 99 318.8 318.9 288.8 320.3 0.40 37 352 8143 -36.5 -39.7 72 3.2 -36.8 310 97 319.0 319.1 288.8 320.3 0.34 38 329 8609 -40.3 -43.8 69 3.5 -40.5 309 97 320.0 320.1 289.0 320.9 0.24 39 326 8671 -39.7 -43.3 68 3.6 -40.0 308 99 321.7 321.7 289.6 322.6 0.25 40 321 8777 -39.1 -42.4 71 3.3 -39.4 306 104 323.9 324.0 290.3 325.0 0.28 41 320 8799 -39.1 -42.3 72 3.2 -39.4 306 105 324.2 324.3 290.3 325.3 0.29 42 300 9240 -41.3 -45.2 66 3.9 -41.6 310 117 327.2 327.2 291.2 328.0 0.23 43 297 9308 -42.1 -46.0 66 3.9 -42.3 310 119 327.0 327.0 291.1 327.8 0.21 44 291 9446 -43.1 -46.7 68 3.6 -43.3 310 123 327.5 327.5 291.2 328.2 0.20 45 282 9657 -44.9 -48.3 69 3.4 -45.1 308 122 327.8 327.9 291.3 328.5 0.17 46 277 9776 -46.1 -49.7 67 3.6 -46.3 307 121 327.8 327.8 291.2 328.3 0.15 47 263 10119 -48.9 -52.7 64 3.8 -49.0 306 120 328.6 328.6 291.5 329.0 0.11 48 261 10169 -49.3 -52.8 67 3.5 -49.4 307 120 328.7 328.7 291.5 329.1 0.11 49 256 10295 -50.3 -54.1 64 3.8 -50.4 309 119 329.0 329.1 291.6 329.4 0.10 50 253 10372 -49.9 -54.2 60 4.3 -50.1 310 120 330.7 330.8 292.0 331.1 0.10 51 250 10450 -50.7 -55.0 60 4.3 -50.8 310 127 330.7 330.7 292.0 331.0 0.09 52 247 10528 -50.9 -55.3 59 4.4 -51.0 310 127 331.5 331.6 292.2 331.9 0.09 53 244 10607 -50.7 -55.4 57 4.7 -50.8 310 126 333.0 333.0 292.6 333.3 0.09 54 241 10687 -51.0 -55.7 57 4.7 -51.1 315 129 333.7 333.7 292.8 334.1 0.08 55 238 10768 -51.3 -56.0 57 4.7 -51.5 315 129 334.5 334.5 293.0 334.8 0.08 56 232 10933 -52.5 -56.9 59 4.4 -52.7 315 129 335.1 335.1 293.2 335.4 0.07 57 227 11072 -53.5 -58.0 58 4.5 -53.6 315 128 335.7 335.7 293.3 335.9 0.07 58 216 11389 -54.9 -59.9 54 5.0 -55.0 315 125 338.3 338.3 294.0 338.5 0.06 59 200 11880 -53.3 -61.3 37 8.0 -53.5 315 106 348.4 348.4 296.3 348.6 0.05 60 150 13740 -57.7 -71.7 15 14.0 -57.9 295 71 370.7 370.7 300.7 370.7 0.02 61 100 16230 -68.3 -89.3 3 21.0 -68.4 290 60 395.8 395.8 304.6 395.8 0.00 62 97 16413 -68.7 -90.7 3 22.0 -68.8 290 59 398.4 398.4 305.0 398.5 0.00 63 88 16998 -67.3 412.5 TRP 216 11389 -54.9 -59.9 54 5.0 -55.0 315 125 338.3 338.3 294.0 338.5 0.06 WND 241 10687 -51.0 -55.7 57 4.7 -51.1 315 129 333.7 333.7 292.8 334.1 0.08 Sounding variables and indices 1000-500 mb thick: 5491.00 m Freezing level: 742.45 mb = 2557.44 m = 8390.46 ft Wetbulb zero: 761.66 mb = 2350.24 m = 7710.65 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 79.88 % Est. max temperature: 13.61 C = 56.50 F Sfc-Lift cond lev (LCL): 835.28 mb = 1601.58 m = 5254.45 ft T: 5.27 C 700-500 lapse rate: 6.06 C/km ThetaE index: 2.20 C Layer 863.0- 847.0 mb Conv cond level (CCL): 725.77 mb = 2737.97 m = 8982.72 ft Mean mixing ratio: 4.89 g/kg Conv temperature: 13.24 C = 55.83 F Cap Strength: 4.51 C Lifted Index: 4.98 C Risk: None Lifted Index @300 mb: 13.64 C Lifted Index @700 mb: 2.12 C Showalter Index: 7.20 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.30 C K Index: 20.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 81.60 Risk: None Energy Index: 2.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.99 J/kg Max Up Vert Vel: 7.35 m/s Conv Inhibition (B-): 12081.34 J/kg Cap Strength: 4.74 C Lift Cond Lev (LCL): 772.01 mb = 2241.53 m = 7354.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 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 ---------------------------------------------------------- 0 868 1288 150 5 -2.5 4.3 | 143 44 -26.5 35.6 1 850 1459 60 2 -1.7 -1.0 | 140 40 -25.7 30.2 2 843 1524 155 1 -0.4 0.9 | 143 40 -24.4 32.2 3 812 1829 245 11 10.0 4.6 | 159 39 -14.0 35.9 4 782 2134 275 23 22.9 -2.0 | 178 29 -1.1 29.2 5 753 2438 275 34 33.9 -3.0 | 199 30 9.9 28.3 6 725 2743 290 39 36.6 -13.3 | 215 22 12.6 17.9 7 700 3026 295 47 42.6 -19.9 | 239 22 18.6 11.4 8 698 3048 300 48 41.6 -24.0 | 248 19 17.6 7.2 9 645 3658 295 53 48.0 -22.4 | 250 26 24.0 8.8 10 619 3962 290 45 42.3 -15.4 | 229 24 18.3 15.9 11 595 4267 285 46 44.4 -11.9 | 227 28 20.4 19.3 12 572 4572 280 46 45.3 -8.0 | 222 32 21.3 23.3 13 550 4877 285 45 43.5 -11.6 | 225 28 19.5 19.6 14 528 5182 290 52 48.9 -17.8 | 242 28 24.9 13.5 15 500 5600 295 68 61.6 -28.7 | 266 38 37.6 2.5 16 487 5791 290 75 70.5 -25.7 | 263 47 46.5 5.6 17 467 6096 295 83 75.2 -35.1 | 274 51 51.2 -3.8 18 430 6706 300 89 77.1 -44.5 | 284 55 53.1 -13.3 19 413 7010 300 88 76.2 -44.0 | 284 54 52.2 -12.8 20 400 7240 300 91 78.8 -45.5 | 285 57 54.8 -14.3 21 396 7315 300 90 77.9 -45.0 | 284 56 53.9 -13.8 22 379 7620 305 93 76.2 -53.3 | 293 57 52.2 -22.1 23 362 7925 310 99 75.8 -63.6 | 302 61 51.8 -32.4 24 332 8534 310 94 72.0 -60.4 | 301 56 48.0 -29.2 25 318 8839 305 107 87.6 -61.4 | 295 70 63.6 -30.1 26 304 9144 310 111 85.0 -71.3 | 303 73 61.0 -40.1 27 300 9240 310 117 89.6 -75.2 | 304 79 65.6 -44.0 28 291 9449 310 123 94.2 -79.1 | 304 85 70.2 -47.8 29 265 10058 305 120 98.3 -68.8 | 297 83 74.3 -37.6 30 253 10363 310 119 91.2 -76.5 | 304 81 67.2 -45.2 31 250 10450 310 127 97.3 -81.6 | 305 89 73.3 -50.4 32 242 10668 310 126 96.5 -81.0 | 304 88 72.5 -49.7 33 241 10687 315 129 91.2 -91.2 | 312 90 67.2 -60.0 34 230 10973 315 129 91.2 -91.2 | 312 90 67.2 -60.0 35 220 11278 315 125 88.4 -88.4 | 312 86 64.4 -57.1 36 216 11389 315 125 88.4 -88.4 | 312 86 64.4 -57.1 37 210 11582 315 126 89.1 -89.1 | 312 87 65.1 -57.8 38 200 11880 315 106 75.0 -75.0 | 311 67 51.0 -43.7 39 200 11887 320 107 68.8 -82.0 | 319 68 44.8 -50.7 40 182 12497 305 79 64.7 -45.3 | 289 43 40.7 -14.1 41 173 12802 305 77 63.1 -44.2 | 288 41 39.1 -12.9 42 158 13411 305 91 74.5 -52.2 | 293 55 50.5 -20.9 43 150 13740 295 71 64.3 -30.0 | 268 40 40.3 1.2 44 143 14021 290 65 61.1 -22.2 | 256 38 37.1 9.0 45 136 14326 275 52 51.8 -4.5 | 226 39 27.8 26.7 46 130 14630 275 55 54.8 -4.8 | 229 41 30.8 26.5 47 123 14935 275 58 57.8 -5.1 | 232 43 33.8 26.2 48 117 15240 275 58 57.8 -5.1 | 232 43 33.8 26.2 49 112 15545 280 66 65.0 -11.5 | 244 46 41.0 19.8 50 106 15850 285 78 75.3 -20.2 | 258 53 51.3 11.1 51 101 16154 290 71 66.7 -24.3 | 261 43 42.7 7.0 52 100 16230 290 60 56.4 -20.5 | 252 34 32.4 10.7 53 96 16459 290 59 55.4 -20.2 | 251 33 31.4 11.1 54 90 16764 290 66 62.0 -22.6 | 257 39 38.0 8.7 Wind Parameters Mean winds (0-6000m): 292.5 at 52.5 knts Storm direction: 322.5 at 39.4 knts Shear (0-3000m) pos: 9.3 neg: 2.0 tot: 11.3 10-3/s Storm rel Dir Shear (0-3000m): 83.0 deg Storm rel helicity (0-3000m) pos: 466.4 neg: -101.5 tot: 364.9 m^2/s^2 ave: 121.6 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 15.0 stream: 7.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.07 Bulk Shear: 365.37 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 ------------------------------------------------------------------------------- 500 205 4 148 42| 10.6 0.0 10.6|136.6 -34.2 102.4 204.9 0.52| 18.4 9.6 1000 263 12 159 35| 16.3 0.0 16.3|303.8 -34.2 269.6 269.6 0.70| 20.9 14.5 1500 275 20 171 30| 15.2 0.0 15.2|402.6 -34.2 368.4 245.6 0.73| 19.7 14.5 2000 285 26 183 25| 14.0 0.0 14.0|464.4 -34.2 430.2 215.1 0.75| 18.2 13.7 2500 289 32 196 22| 11.2 0.9 12.1|466.4 -59.3 407.1 162.8 0.64| 16.1 10.2 3000 289 34 202 22| 9.3 2.0 11.3|466.4-101.5 364.9 121.6 0.50| 15.0 7.4 4000 288 38 211 23| 8.5 1.7 10.2|564.2-116.6 447.6 111.9 0.51| 13.8 7.0 5000 290 45 229 24| 8.1 2.0 10.1|812.6-137.1 675.5 135.1 0.53| 14.6 7.7 6000 292 53 246 27| 7.1 1.8 8.9|908.4-139.8 768.6 128.1 0.54| 13.0 7.0 Wrote GIF file: /home/apache/climate/data/raob//KSLC/skewt/KSLC.skewt.20251206.12.gif