UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122200.upa.cvt Date: 0000Z 22 DEC 25 Searching for KSLC... Searching the city database file for: KSLC ... Date:0000Z 22 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 68 1 925 744 SFC 868 1288 15.8 1.8 39 14.0 8.3 180 17 300.9 301.8 287.4 316.0 5.02 3 864 1327 15.6 0.6 36 15.0 7.8 179 20 301.1 301.9 287.1 315.0 4.62 4 850 1464 14.2 0.2 38 14.0 7.0 175 30 301.0 301.9 287.0 314.8 4.56 5 810 1869 11.2 -1.8 40 13.0 4.8 184 37 302.0 302.8 286.9 314.6 4.14 6 789 2089 13.0 -2.0 35 15.0 5.4 209 27 306.2 307.0 288.5 319.1 4.18 7 783 2153 12.6 -2.4 35 15.0 5.1 215 25 306.5 307.2 288.5 319.1 4.09 8 700 3079 4.2 -5.8 48 10.0 -0.3 245 35 307.1 307.8 288.2 318.2 3.54 9 626 3975 -3.7 -7.5 75 3.8 -5.3 260 41 308.1 308.7 288.4 319.0 3.47 10 569 4722 -9.5 -11.2 87 1.7 -10.1 265 41 309.8 310.3 288.3 318.9 2.86 11 540 5125 -12.1 -13.5 89 1.4 -12.6 267 47 311.4 311.8 288.5 319.4 2.50 12 529 5282 -13.1 -14.6 88 1.5 -13.6 268 50 312.0 312.4 288.6 319.5 2.33 13 500 5710 -15.7 -16.9 90 1.2 -16.1 270 59 313.9 314.3 288.9 320.6 2.04 14 490 5862 -16.5 -17.7 90 1.2 -16.9 268 59 314.7 315.1 289.1 321.1 1.94 15 472 6143 -17.9 -19.5 87 1.6 -18.3 261 58 316.4 316.7 289.4 322.2 1.73 16 465 6254 -17.7 -19.9 83 2.2 -18.3 262 59 318.0 318.3 289.9 323.7 1.70 17 449 6515 -20.1 -22.1 84 2.0 -20.6 263 62 318.2 318.5 289.7 323.1 1.45 18 422 6971 -23.7 -25.7 84 2.0 -24.1 260 68 319.3 319.5 289.7 323.1 1.12 19 406 7252 -25.7 -27.9 82 2.2 -26.1 256 70 320.2 320.4 289.8 323.5 0.95 20 400 7360 -26.7 -28.7 83 2.0 -27.1 255 73 320.3 320.5 289.8 323.4 0.89 21 377 7784 -29.5 -32.9 72 3.4 -30.0 260 73 322.1 322.2 290.0 324.3 0.64 22 359 8131 -32.3 -34.9 78 2.6 -32.6 258 75 322.8 322.9 290.2 324.8 0.55 23 342 8471 -35.1 -38.7 70 3.6 -35.5 256 77 323.5 323.6 290.3 325.0 0.39 24 337 8573 -35.9 -39.1 72 3.2 -36.2 255 77 323.8 323.9 290.3 325.2 0.38 25 326 8803 -37.7 -41.7 66 4.0 -38.1 259 80 324.4 324.5 290.5 325.6 0.30 26 317 8995 -39.1 -42.6 69 3.5 -39.4 260 80 325.1 325.1 290.6 326.2 0.28 27 300 9370 -42.3 -45.9 68 3.6 -42.5 260 78 325.7 325.8 290.7 326.5 0.21 28 295 9483 -43.3 -46.9 68 3.6 -43.5 261 78 325.9 325.9 290.7 326.6 0.19 29 287 9667 -44.9 -48.6 66 3.7 -45.1 263 77 326.2 326.2 290.8 326.8 0.16 30 268 10119 -48.9 -52.6 65 3.7 -49.0 262 78 326.8 326.8 290.9 327.2 0.11 31 250 10570 -52.7 -56.3 65 3.6 -52.8 260 80 327.7 327.7 291.2 328.0 0.07 32 244 10726 -54.1 -57.6 65 3.5 -54.2 260 80 327.9 327.9 291.2 328.2 0.07 33 224 11267 -58.9 -62.5 63 3.6 -59.0 260 79 328.7 328.7 291.4 328.8 0.04 34 218 11437 -60.1 -63.4 65 3.3 -60.2 258 83 329.4 329.4 291.6 329.5 0.03 35 212 11610 -61.3 -64.7 64 3.4 -61.3 257 87 330.1 330.1 291.8 330.3 0.03 36 208 11728 -61.7 -64.7 67 3.0 -61.7 255 89 331.3 331.3 292.1 331.4 0.03 37 207 11757 -61.9 -65.0 66 3.1 -61.9 255 90 331.5 331.5 292.2 331.6 0.03 38 205 11817 -61.9 -65.2 65 3.3 -61.9 255 88 332.4 332.4 292.4 332.5 0.03 39 200 11970 -61.3 -65.9 54 4.6 -61.4 260 98 335.7 335.7 293.3 335.8 0.03 40 188 12358 -58.1 -64.1 46 6.0 -58.2 268 99 346.8 346.8 296.0 347.0 0.04 41 185 12460 -58.3 -65.3 40 7.0 -58.4 269 100 348.1 348.1 296.3 348.3 0.03 42 173 12885 -56.5 -65.5 31 9.0 -56.7 264 89 357.8 357.8 298.3 358.0 0.03 43 168 13071 -56.7 -65.7 31 9.0 -56.9 261 86 360.5 360.5 298.8 360.7 0.03 44 165 13186 -56.5 -66.5 27 10.0 -56.7 257 86 362.7 362.7 299.2 362.8 0.03 45 160 13381 -57.1 -67.1 27 10.0 -57.3 251 90 364.9 364.9 299.7 365.0 0.03 46 152 13706 -57.5 -69.5 20 12.0 -57.7 258 99 369.6 369.6 300.5 369.7 0.02 47 150 13790 -57.5 -69.5 20 12.0 -57.7 260 102 371.0 371.0 300.8 371.1 0.02 48 147 13918 -57.6 -70.1 19 12.5 -57.8 260 103 373.0 373.0 301.1 373.1 0.02 49 144 14048 -57.7 -70.7 18 13.0 -57.9 260 102 375.0 375.0 301.5 375.1 0.02 50 131 14644 -59.5 -74.5 13 15.0 -59.7 262 81 382.1 382.1 302.6 382.1 0.01 51 127 14838 -58.9 -74.9 11 16.0 -59.2 261 77 386.6 386.6 303.3 386.6 0.01 52 117 15352 -60.1 -78.1 8 18.0 -60.3 257 79 393.5 393.5 304.3 393.6 0.01 53 104 16081 -64.3 -83.3 6 19.0 -64.4 263 58 399.0 399.0 305.0 399.0 0.00 54 100 16320 -65.9 -84.9 5 19.0 -66.0 260 57 400.4 400.4 305.3 400.4 0.00 55 90 16952 -69.3 -89.3 4 20.0 -69.4 268 55 405.9 405.9 306.0 405.9 0.00 56 87 17154 -68.3 -89.3 3 21.0 -68.4 266 52 411.8 411.8 306.7 411.9 0.00 57 85 17293 -68.5 -90.5 3 22.0 -68.6 259 51 414.2 414.2 307.0 414.2 0.00 58 70 18440 -72.9 -96.9 1 24.0 -73.0 265 51 428.4 428.4 308.7 428.4 0.00 59 63 19064 -67.7 -96.7 1 29.0 -67.9 281 53 453.0 453.0 311.1 453.0 0.00 60 56 19777 -63.9 -92.9 1 29.0 -64.2 268 40 477.2 477.2 313.2 477.2 0.00 61 50 20460 -69.9 -96.9 1 27.0 -70.1 240 7 478.8 478.8 313.4 478.8 0.00 62 48 20703 -71.5 -97.5 1 26.0 -71.6 238 6 480.6 480.6 313.5 480.6 0.00 63 45 21084 -72.3 -99.3 1 27.0 -72.4 242 6 487.6 487.6 314.0 487.6 0.00 64 42 21497 -65.9 -94.9 1 29.0 -66.2 259 15 513.2 513.2 315.8 513.2 0.00 65 41 21644 -65.3 -94.3 1 29.0 -65.7 256 18 518.2 518.2 316.2 518.2 0.00 66 39 21950 -64.3 -93.3 1 29.0 -64.7 276 25 528.2 528.2 316.8 528.2 0.00 67 36 22438 -66.5 -94.5 1 28.0 -66.8 310 17 534.7 534.7 317.2 534.7 0.00 68 35 22609 -67.1 -95.1 1 28.0 -67.4 316 18 537.5 537.5 317.3 537.5 0.00 69 33 22966 -65.1 -94.1 1 29.0 -65.5 318 19 551.9 551.9 318.2 551.9 0.00 70 32 23154 -65.5 -94.5 1 29.0 -66.0 315 20 555.7 555.7 318.4 555.7 0.00 71 30 23550 -62.5 -92.5 1 30.0 -63.2 275 18 574.3 574.3 319.4 574.3 0.00 72 29 23759 -62.1 -92.1 1 30.0 -62.9 275 18 581.0 581.0 319.7 581.0 0.00 73 28 23976 -61.7 -91.7 1 30.0 -62.5 290 20 587.9 587.9 320.0 587.9 0.00 74 24 24923 -64.7 -93.7 1 29.0 -65.3 264 17 605.7 605.7 320.9 605.7 0.00 75 22 25453 -65.3 -94.3 1 29.0 -66.0 298 20 619.2 619.2 321.5 619.2 0.00 76 20 26040 -59.7 -90.7 1 31.0 -61.0 255 23 653.4 653.4 322.8 653.5 0.01 77 19 26361 -59.5 -90.5 1 31.0 -61.0 275 20 663.7 663.7 323.2 663.7 0.01 78 18 26699 -60.1 -90.1 1 30.0 -61.5 269 24 672.2 672.2 323.5 672.2 0.01 79 18 26699 -60.1 -90.1 1 30.0 -61.5 269 24 672.2 672.2 323.5 672.2 0.01 80 17 27056 -59.9 -90.9 1 31.0 -61.4 287 22 683.9 683.9 323.9 683.9 0.01 81 16 27434 -60.5 -90.5 1 30.0 -62.0 305 29 693.9 693.9 324.2 693.9 0.01 82 16 27434 -60.9 -90.9 1 30.0 -62.3 305 29 692.6 692.6 324.2 692.6 0.01 83 14 28268 -58.9 -89.9 1 31.0 -60.9 294 23 726.3 726.3 325.3 726.4 0.01 84 14 28268 -58.1 -89.1 1 31.0 -60.3 294 23 729.0 729.0 325.3 729.1 0.01 85 13 28736 -56.9 -88.9 1 32.0 -59.5 302 29 748.8 748.8 325.9 748.9 0.01 86 11 29797 -55.7 -87.7 1 32.0 -58.9 311 22 789.8 789.8 327.0 789.9 0.02 87 11 29797 -55.9 -86.9 1 31.0 -59.1 311 22 789.1 789.1 327.0 789.2 0.02 88 11 29797 -56.1 -88.1 1 32.0 -59.2 311 22 788.4 788.4 327.0 788.5 0.01 89 10 30400 -58.1 -88.1 1 30.0 -60.9 290 27 802.7 802.7 327.3 802.8 0.02 90 9.5 30722 -59.3 -89.3 1 30.0 -61.9 810.0 810.0 327.5 810.1 0.01 91 8.5 31416 -61.1 -91.1 1 30.0 -63.4 829.1 829.1 328.0 829.2 0.01 92 8.3 31564 -60.1 -79.1 7 19.0 -62.6 838.7 838.8 328.2 839.7 0.09 TRP 207 11757 -61.9 -65.0 66 3.1 -61.9 255 90 331.5 331.5 292.2 331.6 0.03 WND 147 13918 -57.6 -70.1 19 12.5 -57.8 260 103 373.0 373.0 301.1 373.1 0.02 Sounding variables and indices 1000-500 mb thick: 5642.00 m Freezing level: 660.66 mb = 3555.58 m = 11665.14 ft Wetbulb zero: 705.08 mb = 3019.21 m = 9905.43 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 62.92 % Est. max temperature: 21.67 C = 71.01 F Sfc-Lift cond lev (LCL): 702.85 mb = 3045.46 m = 9991.55 ft T: 4.50 C 700-500 lapse rate: 7.56 C/km ThetaE index: 1.38 C Layer 864.0- 789.0 mb Conv cond level (CCL): 612.20 mb = 4149.82 m = 13614.73 ft Mean mixing ratio: 4.30 g/kg Conv temperature: 23.10 C = 73.58 F Cap Strength: 4.07 C Lifted Index: 2.85 C Risk: None Lifted Index @300 mb: 7.13 C Lifted Index @700 mb: 3.66 C Showalter Index: 3.67 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.90 C Cross Totals Index: 15.90 C K Index: 20.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 270.92 Risk: None Energy Index: 1.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.39 J/kg Max Up Vert Vel: 8.05 m/s Conv Inhibition (B-): 56732.00 J/kg Cap Strength: 4.07 C Lift Cond Lev (LCL): 659.60 mb = 3556.01 m = 11666.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 34 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 180 17 0.0 17.0 | 127 41 -32.8 24.6 1 850 1464 175 30 -2.6 29.9 | 137 52 -35.4 37.5 2 844 1524 175 32 -2.8 31.9 | 138 53 -35.6 39.5 3 814 1829 180 39 0.0 39.0 | 145 57 -32.8 46.6 4 784 2134 215 25 14.3 20.5 | 147 34 -18.5 28.1 5 756 2438 225 26 18.4 18.4 | 151 30 -14.4 26.0 6 729 2743 240 29 25.1 14.5 | 161 23 -7.7 22.1 7 703 3048 245 36 32.6 15.2 | 180 23 -0.2 22.8 8 700 3079 245 35 31.7 14.8 | 177 22 -1.1 22.4 9 676 3353 250 35 32.9 12.0 | 180 20 0.1 19.6 10 650 3658 245 38 34.4 16.1 | 184 24 1.6 23.7 11 625 3962 260 41 40.4 7.1 | 207 17 7.6 14.7 12 601 4267 260 44 43.3 7.6 | 215 19 10.5 15.3 13 578 4572 265 39 38.9 3.4 | 209 13 6.1 11.0 14 556 4877 265 44 43.8 3.8 | 224 16 11.0 11.5 15 515 5486 270 53 53.0 -0.0 | 249 22 20.2 7.6 16 500 5710 270 59 59.0 -0.0 | 254 27 26.2 7.6 17 495 5791 270 60 60.0 -0.0 | 254 28 27.2 7.6 18 475 6096 260 57 56.1 9.9 | 233 29 23.3 17.5 19 455 6401 265 61 60.8 5.3 | 245 31 28.0 12.9 20 437 6706 260 65 64.0 11.3 | 239 36 31.2 18.9 21 419 7010 260 68 67.0 11.8 | 240 39 34.2 19.4 22 402 7315 255 70 67.6 18.1 | 234 43 34.8 25.7 23 400 7360 255 73 70.5 18.9 | 235 46 37.7 26.5 24 385 7620 260 71 69.9 12.3 | 242 42 37.1 19.9 25 369 7925 260 74 72.9 12.8 | 243 45 40.1 20.5 26 338 8534 255 77 74.4 19.9 | 236 50 41.6 27.5 27 324 8839 260 80 78.8 13.9 | 245 51 46.0 21.5 28 310 9144 260 80 78.8 13.9 | 245 51 46.0 21.5 29 300 9370 260 78 76.8 13.5 | 244 49 44.0 21.2 30 296 9449 260 78 76.8 13.5 | 244 49 44.0 21.2 31 283 9754 265 77 76.7 6.7 | 252 46 43.9 14.3 32 258 10363 260 78 76.8 13.5 | 244 49 44.0 21.2 33 250 10570 260 80 78.8 13.9 | 245 51 46.0 21.5 34 246 10668 260 80 78.8 13.9 | 245 51 46.0 21.5 35 234 10973 260 78 76.8 13.5 | 244 49 44.0 21.2 36 223 11278 260 79 77.8 13.7 | 245 50 45.0 21.3 37 207 11757 255 90 86.9 23.3 | 240 62 54.1 30.9 38 203 11887 255 85 82.1 22.0 | 239 58 49.3 29.6 39 200 11970 260 98 96.5 17.0 | 249 68 63.7 24.6 40 193 12192 265 98 97.6 8.5 | 256 67 64.8 16.2 41 184 12497 270 100 100.0 -0.0 | 264 68 67.2 7.6 42 175 12802 265 91 90.7 7.9 | 255 60 57.9 15.5 43 167 13106 260 85 83.7 14.8 | 246 56 50.9 22.4 44 159 13411 250 90 84.6 30.8 | 233 64 51.8 38.4 45 150 13790 260 102 100.5 17.7 | 249 72 67.7 25.3 46 147 13918 260 103 101.4 17.9 | 250 73 68.6 25.5 47 145 14021 260 103 101.4 17.9 | 250 73 68.6 25.5 48 138 14326 265 87 86.7 7.6 | 254 56 53.9 15.2 49 125 14935 260 75 73.9 13.0 | 243 46 41.1 20.6 50 119 15240 255 77 74.4 19.9 | 236 50 41.6 27.5 51 113 15545 260 82 80.8 14.2 | 246 53 48.0 21.9 52 108 15850 265 59 58.8 5.1 | 244 29 26.0 12.8 53 100 16320 260 57 56.1 9.9 | 233 29 23.3 17.5 54 98 16459 260 56 55.1 9.7 | 232 28 22.4 17.3 55 93 16764 265 59 58.8 5.1 | 244 29 26.0 12.8 56 88 17069 270 52 52.0 -0.0 | 248 21 19.2 7.6 57 84 17374 255 51 49.3 13.2 | 218 27 16.5 20.8 58 80 17678 260 55 54.2 9.6 | 231 27 21.4 17.2 59 72 18288 255 61 58.9 15.8 | 228 35 26.1 23.4 60 70 18440 265 51 50.8 4.4 | 236 22 18.0 12.1 61 68 18593 265 51 50.8 4.4 | 236 22 18.0 12.1 62 65 18898 275 54 53.8 -4.7 | 262 21 21.0 2.9 63 62 19202 285 53 51.2 -13.7 | 288 19 18.4 -6.1 64 59 19507 255 54 52.2 14.0 | 222 29 19.4 21.6 65 53 20117 285 23 22.2 -6.0 | 99 11 -10.6 1.7 66 50 20422 265 12 12.0 1.0 | 113 23 -20.8 8.7 67 50 20460 240 7 6.1 3.5 | 113 29 -26.7 11.1 68 45 21031 235 5 4.1 2.9 | 110 31 -28.7 10.5 69 43 21336 265 11 11.0 1.0 | 111 23 -21.8 8.6 70 41 21641 255 17 16.4 4.4 | 126 20 -16.4 12.0 71 39 21946 275 26 25.9 -2.3 | 128 9 -6.9 5.3 72 37 22250 300 16 13.9 -8.0 | 89 19 -18.9 -0.4 73 35 22555 315 18 12.7 -12.7 | 76 21 -20.1 -5.1 74 34 22860 320 18 11.6 -13.8 | 74 22 -21.2 -6.2 75 32 23165 315 20 14.1 -14.1 | 71 20 -18.6 -6.5 76 30 23470 290 14 13.2 -4.8 | 98 20 -19.6 2.8 77 30 23550 275 18 17.9 -1.6 | 112 16 -14.9 6.0 78 29 23774 275 18 17.9 -1.6 | 112 16 -14.9 6.0 79 26 24384 320 24 15.4 -18.4 | 58 20 -17.4 -10.8 80 25 24689 275 15 14.9 -1.3 | 109 19 -17.8 6.3 81 24 24994 260 17 16.7 3.0 | 123 19 -16.1 10.6 82 23 25298 285 24 23.2 -6.2 | 98 10 -9.6 1.4 83 21 25603 310 16 12.3 -10.3 | 83 21 -20.5 -2.7 84 20 25908 260 15 14.8 2.6 | 120 21 -18.0 10.2 85 20 26040 255 23 22.2 6.0 | 142 17 -10.6 13.6 86 19 26213 290 18 16.9 -6.2 | 95 16 -15.9 1.5 87 19 26518 260 23 22.7 4.0 | 139 15 -10.1 11.6 88 18 26822 275 24 23.9 -2.1 | 122 10 -8.9 5.5 89 17 27127 290 21 19.7 -7.2 | 92 13 -13.1 0.4 90 16 27432 305 29 23.8 -16.6 | 45 13 -9.0 -9.0 91 15 27737 300 36 31.2 -18.0 | 9 11 -1.6 -10.4 92 15 28042 310 26 19.9 -16.7 | 55 16 -12.9 -9.1 93 14 28346 290 22 20.7 -7.5 | 90 12 -12.1 0.1 94 13 28651 305 30 24.6 -17.2 | 41 13 -8.2 -9.6 95 11 29566 280 18 17.7 -3.1 | 107 16 -15.1 4.5 96 11 29870 320 23 14.8 -17.6 | 61 21 -18.0 -10.0 97 10 30400 290 27 25.4 -9.2 | 78 8 -7.4 -1.6 Wind Parameters Mean winds (0-6000m): 253.1 at 44.9 knts Storm direction: 283.1 at 33.7 knts Shear (0-3000m) pos: 9.1 neg: 3.6 tot: 12.7 10-3/s Storm rel Dir Shear (0-3000m): 87.6 deg Storm rel helicity (0-3000m) pos: 408.4 neg: -8.5 tot: 399.9 m^2/s^2 ave: 133.3 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 14.3 stream: 7.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.11 Bulk Shear: 303.00 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 ------------------------------------------------------------------------------- 500 177 31 138 51| 0.0 21.7 21.7|193.3 0.0 193.3 386.6 0.68| 22.4 15.1 1000 187 30 143 48| 12.9 10.8 23.7|259.9 -8.5 251.5 251.5 0.40| 24.6 9.8 1500 201 29 147 42| 12.2 7.2 19.4|308.4 -8.5 300.0 200.0 0.44| 20.1 8.9 2000 214 31 154 37| 10.7 5.4 16.1|346.7 -8.5 338.2 169.1 0.48| 17.2 8.3 2500 223 32 160 33| 9.4 4.3 13.7|374.8 -8.5 366.3 146.5 0.50| 15.3 7.6 3000 231 34 167 30| 9.1 3.6 12.7|408.4 -8.5 399.9 133.3 0.53| 14.3 7.6 4000 242 36 178 24| 8.0 2.7 10.7|447.5 -13.4 434.1 108.5 0.52| 12.9 6.7 5000 250 40 194 22| 7.3 2.9 10.2|504.0 -91.1 412.9 82.6 0.40| 12.8 5.1 6000 253 45 206 23| 6.1 3.4 9.5|528.3-168.0 360.3 60.1 0.32| 12.2 3.9 Wrote GIF file: /home/apache/climate/data/raob//KSLC/skewt/KSLC.skewt.20251222.00.gif