UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for KSLC... Searching the city database file for: KSLC ... Date:1200Z 30 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 329 1 925 957 SFC 887 1288 -3.3 -6.9 76 3.6 -4.6 145 1 279.3 279.7 274.8 286.5 2.56 3 870 1443 -1.7 -7.7 64 6.0 -3.8 145 2 282.5 282.9 276.4 289.5 2.46 4 850 1629 -2.5 -10.5 54 8.0 -5.1 180 2 283.5 283.9 276.3 289.4 2.02 5 835 1770 -2.7 -10.7 54 8.0 -5.4 194 3 284.8 285.1 277.0 290.7 2.02 6 813 1982 -0.9 -21.9 19 21.0 -6.4 184 6 288.9 289.0 277.3 291.4 0.81 7 793 2182 1.8 -12.2 35 14.0 -3.1 167 7 293.8 294.1 281.1 299.6 1.89 8 779 2326 2.4 -13.6 30 16.0 -3.1 157 5 296.0 296.3 281.8 301.2 1.72 9 766 2461 1.8 -16.2 25 18.0 -4.1 162 4 296.7 297.0 281.8 301.1 1.41 10 747 2664 3.2 -22.8 13 26.0 -4.4 255 9 300.4 300.5 282.6 303.1 0.82 11 739 2751 3.0 -24.0 12 27.0 -4.7 290 11 301.1 301.2 282.8 303.5 0.74 12 700 3188 0.6 -21.4 17 22.0 -6.0 285 14 303.1 303.3 284.0 306.4 0.99 13 699 3199 0.6 -21.4 17 22.0 -6.0 285 14 303.3 303.5 284.0 306.5 0.99 14 668 3561 -1.5 -25.5 14 24.0 -7.9 287 17 304.9 305.0 284.3 307.3 0.72 15 648 3802 -3.1 -24.1 18 21.0 -8.8 294 19 305.7 305.9 284.8 308.5 0.84 16 642 3875 -3.7 -25.7 16 22.0 -9.4 297 19 305.9 306.0 284.7 308.3 0.73 17 626 4074 -4.9 -10.9 63 6.0 -7.2 298 20 306.7 307.2 287.1 315.1 2.66 18 612 4251 -4.3 -14.3 46 10.0 -7.8 295 19 309.4 309.8 287.4 316.0 2.06 19 549 5100 -7.7 -27.7 18 20.0 -12.7 277 19 315.1 315.2 287.9 317.6 0.71 20 521 5505 -10.1 -32.1 15 22.0 -14.9 281 17 317.0 317.1 288.3 318.7 0.50 21 511 5654 -11.3 -31.3 17 20.0 -15.6 291 17 317.3 317.4 288.5 319.2 0.55 22 500 5820 -12.3 -34.3 14 22.0 -16.6 295 15 318.0 318.1 288.6 319.5 0.42 23 456 6518 -18.9 -35.9 21 17.0 -21.7 277 18 318.3 318.3 288.6 319.7 0.39 24 452 6584 -19.5 -36.5 21 17.0 -22.2 278 17 318.3 318.4 288.6 319.7 0.37 25 422 7091 -24.5 -39.5 24 15.0 -26.5 269 20 318.2 318.3 288.5 319.3 0.29 26 400 7480 -27.7 -44.7 18 17.0 -29.4 275 21 319.0 319.0 288.6 319.7 0.18 27 395 7570 -28.5 -45.5 18 17.0 -30.2 275 21 319.1 319.1 288.6 319.7 0.17 28 369 8052 -32.9 -46.9 23 14.0 -34.0 293 21 319.5 319.5 288.8 320.1 0.15 29 355 8323 -35.5 -48.5 25 13.0 -36.4 289 17 319.6 319.6 288.8 320.1 0.13 30 344 8540 -37.5 -51.5 22 14.0 -38.3 285 17 319.8 319.8 288.8 320.1 0.10 31 320 9035 -40.7 -68.7 3 28.0 -41.5 288 15 322.0 322.0 289.4 322.0 0.01 32 300 9470 -44.5 -67.5 6 23.0 -45.1 295 11 322.6 322.6 289.6 322.7 0.01 33 285 9813 -47.1 -65.1 11 18.0 -47.5 332 9 323.7 323.7 289.9 323.8 0.02 34 264 10317 -50.9 -70.9 8 20.0 -51.2 328 16 325.3 325.3 290.3 325.3 0.01 35 250 10670 -53.7 -71.7 9 18.0 -53.9 340 14 326.2 326.2 290.6 326.3 0.01 36 230 11200 -57.3 -71.3 15 14.0 -57.5 325 16 328.6 328.6 291.3 328.7 0.01 37 220 11479 -59.3 -73.3 15 14.0 -59.5 306 13 329.7 329.7 291.6 329.8 0.01 38 200 12070 -62.1 -76.1 14 14.0 -62.2 320 15 334.4 334.4 292.9 334.4 0.01 39 196 12194 -62.9 -76.9 13 14.0 -63.0 320 15 335.1 335.1 293.1 335.1 0.01 40 192 12320 -63.9 -77.9 13 14.0 -64.0 320 15 335.5 335.5 293.2 335.5 0.00 41 172 12985 -68.7 -79.7 19 11.0 -68.8 279 29 338.2 338.2 293.9 338.3 0.00 42 167 13161 -69.5 -80.5 19 11.0 -69.5 290 34 339.8 339.8 294.3 339.8 0.00 43 155 13610 -64.1 -76.1 18 12.0 -64.2 306 31 356.3 356.3 298.0 356.3 0.01 44 150 13810 -64.9 -76.9 18 12.0 -65.0 295 34 358.3 358.3 298.4 358.3 0.01 45 149 13851 -65.1 -77.1 18 12.0 -65.2 295 34 358.6 358.6 298.4 358.7 0.01 46 140 14232 -64.1 -78.1 13 14.0 -64.2 305 31 366.8 366.8 300.0 366.9 0.01 47 135 14455 -64.7 -78.7 13 14.0 -64.8 316 30 369.6 369.6 300.5 369.6 0.01 48 129 14734 -64.5 -79.5 11 15.0 -64.6 325 28 374.8 374.8 301.4 374.8 0.01 49 113 15534 -69.9 -85.9 8 16.0 -69.9 298 27 379.2 379.2 302.1 379.2 0.00 50 112 15587 -69.9 -86.9 7 17.0 -70.0 297 28 380.1 380.1 302.3 380.2 0.00 51 109 15749 -68.9 -86.9 6 18.0 -69.0 293 31 385.0 385.0 303.1 385.0 0.00 52 102 16150 -66.3 -85.3 5 19.0 -66.4 322 39 397.4 397.4 304.9 397.4 0.00 53 100 16270 -66.3 -86.3 4 20.0 -66.4 335 41 399.6 399.6 305.2 399.6 0.00 54 94 16645 -65.9 -86.9 4 21.0 -66.0 329 40 407.5 407.5 306.2 407.6 0.00 55 80 17616 -68.9 -91.9 2 23.0 -69.0 332 33 420.6 420.6 307.8 420.6 0.00 56 78 17768 -68.5 -92.5 2 24.0 -68.6 329 33 424.5 424.5 308.2 424.5 0.00 57 70 18410 -72.3 -96.3 2 24.0 -72.4 315 41 429.7 429.7 308.8 429.7 0.00 58 67 18667 -72.9 -96.9 1 24.0 -73.0 320 41 433.8 433.8 309.3 433.8 0.00 59 57 19638 -63.7 -92.7 1 29.0 -64.0 323 56 475.2 475.2 313.1 475.2 0.00 60 54 19972 -60.1 -89.1 1 29.0 -60.6 331 51 490.9 490.9 314.3 490.9 0.00 61 50 20450 -62.5 -90.5 1 28.0 -62.9 300 35 496.2 496.2 314.7 496.2 0.00 62 48 20700 -63.5 -91.5 1 28.0 -63.9 300 35 499.6 499.6 314.9 499.7 0.00 63 45 21098 -60.7 -89.7 1 29.0 -61.3 304 41 515.7 515.7 316.0 515.8 0.00 64 42 21524 -62.3 -90.3 1 28.0 -62.8 328 39 522.1 522.1 316.4 522.1 0.00 65 41 21673 -62.7 -90.7 1 28.0 -63.2 335 39 524.7 524.7 316.6 524.7 0.00 66 38 22139 -63.5 -91.5 1 28.0 -64.0 342 42 534.2 534.2 317.2 534.2 0.00 67 36 22474 -58.5 -88.5 1 30.0 -59.5 345 52 555.4 555.4 318.4 555.5 0.00 68 35 22651 -56.7 -86.7 1 30.0 -57.9 345 53 564.6 564.6 318.9 564.7 0.01 69 32 23215 -58.7 -87.7 1 29.0 -59.7 345 49 573.9 573.9 319.3 574.0 0.01 70 32 23215 -59.1 -88.1 1 29.0 -60.0 345 49 572.9 572.9 319.3 572.9 0.01 71 30 23620 -58.3 -87.3 1 29.0 -59.4 345 53 585.7 585.7 319.9 585.7 0.01 72 29 23834 -58.1 -88.1 1 30.0 -59.3 342 47 592.0 592.0 320.2 592.0 0.01 73 28 24056 -57.7 -86.7 1 29.0 -59.0 349 51 599.0 599.0 320.6 599.1 0.01 74 23 25286 -62.3 -89.3 2 27.0 -63.2 344 53 620.2 620.2 321.5 620.2 0.01 75 23 25286 -62.7 -90.7 1 28.0 -63.6 344 53 619.0 619.0 321.5 619.0 0.00 76 21 25848 -62.3 -90.3 1 28.0 -63.3 351 63 636.5 636.5 322.2 636.6 0.01 77 20 26150 -61.7 -89.7 1 28.0 -62.8 355 54 647.3 647.3 322.6 647.4 0.01 78 18 26808 -57.3 -87.3 1 30.0 -59.2 355 62 681.0 681.0 323.8 681.1 0.01 79 17 27169 -57.2 -87.2 1 30.0 -59.2 360 69 692.5 692.5 324.2 692.6 0.01 80 16 27552 -57.1 -87.1 1 30.0 -59.2 360 65 705.0 705.0 324.6 705.1 0.01 81 14 28402 -53.7 -84.7 1 31.0 -56.9 339 52 743.9 744.0 325.8 744.1 0.02 82 13 28877 -54.5 -84.5 1 30.0 -57.7 346 50 757.1 757.1 326.1 757.3 0.02 83 12 29389 -54.3 -84.3 1 30.0 -57.8 336 44 775.4 775.4 326.6 775.6 0.03 84 11 29943 -56.3 -85.3 1 29.0 -59.3 328 46 787.6 787.6 327.0 787.8 0.02 85 11 29943 -56.5 -85.5 1 29.0 -59.5 328 46 786.9 786.9 326.9 787.1 0.02 86 10 30550 -54.7 -85.7 1 31.0 -58.5 350 57 815.4 815.4 327.6 815.6 0.03 87 9.1 31163 -47.9 -81.9 1 34.0 -54.6 863.7 863.8 328.7 864.3 0.05 88 8.8 31385 -45.5 -78.5 1 33.0 -53.4 881.3 881.4 329.1 882.4 0.10 89 8.6 31538 -46.9 -78.9 1 32.0 -54.2 881.7 881.8 329.1 882.7 0.09 TRP 167 13161 -69.5 -80.5 19 11.0 -69.5 290 34 339.8 339.8 294.3 339.8 0.00 WND 17 27169 -57.2 -87.2 1 30.0 -59.2 360 69 692.5 692.5 324.2 692.6 0.01 Sounding variables and indices 1000-500 mb thick: 5491.00 m Freezing level: Surface below freezing Freezing level: 806.33 mb = 2048.92 m = 6722.09 ft Freezing level: 690.14 mb = 3302.79 m = 10835.81 ft Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 28.50 % Est. max temperature: 17.90 C = 64.22 F Sfc-Lift cond lev (LCL): 838.05 mb = 1741.22 m = 5712.60 ft T: -2.66 C 700-500 lapse rate: 4.90 C/km ThetaE index: 0.13 C Layer 850.0- 835.0 mb Conv cond level (CCL): 454.62 mb = 6540.50 m = 21458.08 ft Mean mixing ratio: 1.86 g/kg Conv temperature: 34.40 C = 93.93 F Cap Strength: 22.37 C Lifted Index: 22.72 C Risk: None Lifted Index @300 mb: 22.04 C Lifted Index @700 mb: 15.17 C Showalter Index: 24.36 C Risk: None Total Totals Index: 11.60 C Risk: None Vertical Totals Index: 9.80 C Cross Totals Index: 1.80 C K Index: -22.70 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 6.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.21 J/kg Max Up Vert Vel: 10.79 m/s Conv Inhibition (B-): 69319.45 J/kg Cap Strength: 22.41 C Lift Cond Lev (LCL): 709.18 mb = 3083.00 m = 10114.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 11 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 ---------------------------------------------------------- 0 887 1288 145 1 -0.6 0.8 | 132 12 -8.8 7.8 1 861 1524 145 2 -1.1 1.6 | 133 13 -9.3 8.6 2 850 1629 180 2 0.0 2.0 | 138 12 -8.2 9.0 3 829 1829 200 3 1.0 2.8 | 144 12 -7.2 9.8 4 798 2134 170 8 -1.4 7.9 | 147 18 -9.6 14.9 5 768 2438 150 3 -1.5 2.6 | 135 14 -9.7 9.6 6 740 2743 290 11 10.3 -3.8 | 214 4 2.2 3.2 7 712 3048 280 15 14.8 -2.6 | 236 8 6.6 4.4 8 700 3188 285 14 13.5 -3.6 | 238 6 5.3 3.4 9 685 3353 280 15 14.8 -2.6 | 236 8 6.6 4.4 10 659 3658 290 18 16.9 -6.2 | 264 9 8.7 0.9 11 634 3962 300 20 17.3 -10.0 | 288 10 9.1 -3.0 12 610 4267 295 19 17.2 -8.0 | 276 9 9.0 -1.0 13 586 4572 290 19 17.9 -6.5 | 267 10 9.7 0.5 14 564 4877 270 18 18.0 -0.0 | 234 12 9.8 7.0 15 543 5182 280 19 18.7 -3.3 | 251 11 10.5 3.7 16 522 5486 280 17 16.7 -3.0 | 245 9 8.6 4.1 17 502 5791 300 17 14.7 -8.5 | 283 7 6.5 -1.5 18 500 5820 295 15 13.6 -6.3 | 263 5 5.4 0.7 19 482 6096 285 15 14.5 -3.9 | 244 7 6.3 3.1 20 462 6401 275 18 17.9 -1.6 | 241 11 9.7 5.4 21 444 6706 280 17 16.7 -3.0 | 245 9 8.6 4.1 22 426 7010 270 20 20.0 -0.0 | 239 14 11.8 7.0 23 409 7315 265 20 19.9 1.7 | 233 15 11.7 8.7 24 400 7480 275 21 20.9 -1.8 | 248 14 12.7 5.2 25 392 7620 275 21 20.9 -1.8 | 248 14 12.7 5.2 26 375 7925 295 23 20.8 -9.7 | 282 13 12.7 -2.7 27 359 8230 290 17 16.0 -5.8 | 261 8 7.8 1.2 28 343 8534 285 17 16.4 -4.4 | 252 9 8.2 2.6 29 329 8839 300 16 13.9 -8.0 | 280 6 5.7 -1.0 30 314 9144 280 14 13.8 -2.4 | 231 7 5.6 4.6 31 301 9449 290 11 10.3 -3.8 | 214 4 2.2 3.2 32 300 9470 295 11 10.0 -4.6 | 217 3 1.8 2.4 33 287 9754 330 8 4.0 -6.9 | 91 4 -4.2 0.1 34 274 10058 340 13 4.4 -12.2 | 36 6 -3.7 -5.2 35 262 10363 325 17 9.8 -13.9 | 347 7 1.6 -6.9 36 250 10668 335 15 6.3 -13.6 | 16 7 -1.8 -6.6 37 250 10670 340 14 4.8 -13.2 | 29 7 -3.4 -6.1 38 238 10973 325 15 8.6 -12.3 | 355 5 0.4 -5.3 39 227 11278 325 16 9.2 -13.1 | 351 6 1.0 -6.1 40 216 11582 295 11 10.0 -4.6 | 217 3 1.8 2.4 41 206 11887 295 17 15.4 -7.2 | 271 7 7.2 -0.2 42 200 12070 320 15 9.6 -11.5 | 342 5 1.5 -4.5 43 196 12192 320 15 9.6 -11.5 | 342 5 1.5 -4.5 44 186 12497 320 16 10.3 -12.3 | 338 6 2.1 -5.3 45 177 12802 285 18 17.4 -4.7 | 256 9 9.2 2.3 46 169 13106 275 36 35.9 -3.1 | 262 28 27.7 3.9 47 167 13161 290 34 31.9 -11.6 | 281 24 23.8 -4.6 48 152 13716 310 30 23.0 -19.3 | 310 19 14.8 -12.3 49 150 13810 295 34 30.8 -14.4 | 288 24 22.6 -7.4 50 145 14021 295 32 29.0 -13.5 | 287 22 20.8 -6.5 51 131 14630 325 29 16.6 -23.8 | 333 19 8.4 -16.7 52 125 14935 325 25 14.3 -20.5 | 335 15 6.2 -13.5 53 119 15240 305 21 17.2 -12.0 | 299 10 9.0 -5.0 54 107 15850 290 33 31.0 -11.3 | 281 23 22.8 -4.3 55 100 16270 335 41 17.3 -37.2 | 343 32 9.1 -30.2 56 97 16459 335 44 18.6 -39.9 | 342 34 10.4 -32.9 57 92 16764 325 38 21.8 -31.1 | 331 28 13.6 -24.1 58 88 17069 335 38 16.1 -34.4 | 344 29 7.9 -27.4 59 83 17374 340 33 11.3 -31.0 | 353 24 3.1 -24.0 60 79 17678 330 33 16.5 -28.6 | 339 23 8.3 -21.6 61 75 17983 325 34 19.5 -27.9 | 332 24 11.3 -20.8 62 71 18288 305 32 26.2 -18.4 | 302 21 18.0 -11.3 63 70 18410 315 41 29.0 -29.0 | 317 30 20.8 -22.0 64 65 18898 325 41 23.5 -33.6 | 330 31 15.3 -26.6 65 61 19202 325 46 26.4 -37.7 | 329 36 18.2 -30.7 66 58 19507 325 58 33.3 -47.5 | 328 48 25.1 -40.5 67 56 19812 320 54 34.7 -41.4 | 322 43 26.5 -34.4 68 53 20117 340 49 16.8 -46.0 | 348 40 8.6 -39.0 69 50 20450 300 35 30.3 -17.5 | 295 24 22.1 -10.5 70 48 20726 300 35 30.3 -17.5 | 295 24 22.1 -10.5 71 46 21031 300 42 36.4 -21.0 | 296 31 28.2 -14.0 72 43 21336 315 38 26.9 -26.9 | 317 27 18.7 -19.9 73 41 21641 335 39 16.5 -35.3 | 344 30 8.3 -28.3 74 39 21946 335 38 16.1 -34.4 | 344 29 7.9 -27.4 75 37 22250 345 44 11.4 -42.5 | 355 36 3.2 -35.5 76 36 22555 345 54 14.0 -52.2 | 353 46 5.8 -45.2 77 32 23165 345 49 12.7 -47.3 | 354 41 4.5 -40.3 78 30 23620 345 53 13.7 -51.2 | 353 45 5.5 -44.2 79 29 23774 340 46 15.7 -43.2 | 348 37 7.5 -36.2 80 28 24079 350 52 9.0 -51.2 | 359 44 0.8 -44.2 81 27 24384 345 48 12.4 -46.4 | 354 40 4.2 -39.4 82 24 24994 335 50 21.1 -45.3 | 341 40 12.9 -38.3 83 22 25603 355 57 5.0 -56.8 | 4 50 -3.2 -49.8 84 21 25908 350 64 11.1 -63.0 | 357 56 2.9 -56.0 85 20 26150 355 54 4.7 -53.8 | 4 47 -3.5 -46.8 86 20 26213 360 55 -0.0 -55.0 | 10 49 -8.2 -48.0 87 19 26518 355 56 4.9 -55.8 | 4 49 -3.3 -48.8 88 18 26822 355 62 5.4 -61.8 | 3 55 -2.8 -54.8 89 17 27127 355 66 5.8 -65.7 | 2 59 -2.4 -58.7 90 17 27169 360 69 -0.0 -69.0 | 8 63 -8.2 -62.0 91 16 27432 360 69 -0.0 -69.0 | 8 63 -8.2 -62.0 92 16 27737 360 60 -0.0 -60.0 | 9 54 -8.2 -53.0 93 15 28042 345 46 11.9 -44.4 | 354 38 3.7 -37.4 94 13 28651 335 56 23.7 -50.8 | 341 46 15.5 -43.7 95 13 28956 350 48 8.3 -47.3 | 360 40 0.2 -40.3 96 12 29261 340 42 14.4 -39.5 | 349 33 6.2 -32.5 97 12 29566 330 46 23.0 -39.8 | 336 36 14.8 -32.8 98 11 29870 325 45 25.8 -36.9 | 329 35 17.6 -29.9 99 10 30550 350 57 9.9 -56.1 | 358 49 1.7 -49.1 Wind Parameters Mean winds (0-6000m): 280.6 at 14.4 knts Storm direction: 310.6 at 10.8 knts Shear (0-3000m) pos: 3.6 neg: 0.5 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 144.0 deg Storm rel helicity (0-3000m) pos: 71.8 neg: -19.0 tot: 52.9 m^2/s^2 ave: 17.6 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 3.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.90 Bulk Shear: 30.69 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 ------------------------------------------------------------------------------- 500 167 2 136 12| 2.4 0.0 2.4| 7.6 0.0 7.6 15.2 0.77| 3.1 2.4 1000 173 4 141 14| 1.2 1.9 3.0| 12.2 -10.2 2.0 2.0 0.12| 5.6 0.7 1500 197 5 149 13| 5.4 1.2 6.7| 51.9 -14.2 37.6 25.1 0.48| 10.6 5.1 2000 254 7 171 9| 4.1 0.8 4.9| 54.5 -14.4 40.1 20.1 0.45| 9.4 4.2 2500 271 9 187 7| 4.3 0.7 4.9| 66.9 -14.4 52.5 21.0 0.52| 8.8 4.5 3000 281 11 206 6| 3.6 0.5 4.1| 71.8 -19.0 52.9 17.6 0.48| 8.0 3.8 4000 281 13 224 6| 2.8 1.2 4.0| 81.4 -40.3 41.0 10.3 0.30| 7.5 2.3 5000 283 13 231 6| 2.4 1.6 4.0| 92.1 -49.6 42.5 8.5 0.24| 7.5 1.8 6000 281 14 234 7| 2.0 1.7 3.7| 93.7 -58.6 35.2 5.9 0.19| 7.0 1.3 Wrote GIF file: /home/apache/climate/data/raob//KSLC/skewt/KSLC.skewt.20251230.12.gif