UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for KFFC... Searching the city database file for: KFFC ... Date:0000Z 9 DEC 25 Station: KFFC WMO ident: 72215 Latitude: 33.37 Longitude: -84.57 Elevation: 244.00 ------------------------------------------------------------------------------- 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 173 340 5 SFC 991 244 7.8 3.3 73 4.5 5.6 340 5 281.7 282.5 279.2 295.3 4.89 2 967 447 6.6 0.6 65 6.0 3.9 319 14 282.4 283.2 278.6 294.0 4.13 3 925 812 3.4 -1.3 71 4.7 1.4 335 20 282.8 283.4 278.3 293.4 3.75 4 861 1388 -1.7 -4.1 84 2.4 -2.6 343 16 283.3 283.9 278.0 292.6 3.27 5 853 1462 -2.3 -4.8 83 2.5 -3.3 344 16 283.5 284.0 277.9 292.4 3.13 6 850 1490 -2.5 -5.3 81 2.8 -3.6 345 16 283.5 284.0 277.7 292.2 3.03 7 822 1757 1.0 -21.0 18 22.0 -5.0 345 29 290.0 290.1 278.0 292.7 0.87 8 807 1905 0.6 -15.4 29 16.0 -4.5 342 31 291.1 291.3 279.3 295.4 1.43 9 773 2249 -1.3 -21.3 20 20.0 -6.7 331 33 292.6 292.8 279.3 295.5 0.90 10 748 2512 1.6 323 37 298.5 11 736 2643 2.4 318 37 300.8 12 717 2854 1.2 313 38 301.7 13 700 3046 0.0 310 40 302.5 14 689 3172 -1.3 309 41 302.4 15 654 3585 -4.5 -35.5 7 31.0 -10.6 304 46 303.3 303.4 283.1 304.3 0.28 16 632 3853 -6.5 -39.5 5 33.0 -12.2 299 47 304.0 304.1 283.3 304.7 0.20 17 622 3978 -7.5 -40.5 5 33.0 -13.0 295 47 304.3 304.3 283.4 304.9 0.18 18 617 4040 -7.5 -42.5 4 35.0 -13.1 295 48 305.0 305.0 283.6 305.5 0.15 19 616 4053 -7.5 -42.5 4 35.0 -13.1 295 48 305.1 305.2 283.7 305.7 0.15 20 600 4257 -8.5 -40.5 6 32.0 -13.8 295 51 306.3 306.3 284.2 306.9 0.19 21 576 4572 -11.1 -54.1 1 43.0 -16.0 293 52 306.8 306.8 284.2 307.0 0.04 22 537 5106 -15.9 -44.9 6 29.0 -19.6 290 57 307.3 307.3 284.5 307.8 0.13 23 518 5376 -17.5 -58.5 1 41.0 -21.1 290 60 308.6 308.6 284.8 308.7 0.03 24 500 5640 -19.3 -59.3 2 40.0 -22.5 290 64 309.5 309.5 285.2 309.6 0.03 25 475 6018 -22.5 -46.5 9 24.0 -24.9 290 67 310.1 310.1 285.5 310.6 0.12 26 468 6127 -23.1 -50.1 7 27.0 -25.6 290 68 310.7 310.7 285.7 311.0 0.08 27 455 6332 -24.5 -48.5 9 24.0 -26.7 286 73 311.5 311.5 286.0 311.8 0.10 28 443 6526 -24.7 -42.7 17 18.0 -26.7 283 78 313.6 313.6 286.9 314.3 0.20 29 440 6575 -25.1 -44.1 15 19.0 -27.1 282 79 313.7 313.7 286.9 314.3 0.17 30 414 7014 -28.3 -42.3 25 14.0 -29.7 275 93 315.1 315.1 287.4 315.9 0.22 31 404 7189 -28.9 -45.9 18 17.0 -30.4 271 94 316.5 316.6 287.8 317.1 0.15 32 400 7260 -28.5 -49.5 11 21.0 -30.3 270 95 317.9 318.0 288.2 318.3 0.10 33 398 7296 -28.5 -49.5 11 21.0 -30.3 270 96 318.4 318.4 288.3 318.8 0.11 34 392 7404 -29.3 -50.3 11 21.0 -31.0 270 97 318.7 318.8 288.5 319.1 0.10 35 386 7514 -30.1 -51.1 11 21.0 -31.7 270 99 319.1 319.1 288.6 319.5 0.09 36 362 7967 -34.1 -52.1 15 18.0 -35.3 270 99 319.7 319.7 288.8 320.0 0.09 37 360 8006 -34.3 -52.3 14 18.0 -35.4 269 100 319.9 319.9 288.8 320.2 0.08 38 348 8243 -34.9 -54.9 11 20.0 -36.1 268 103 322.2 322.2 289.5 322.5 0.06 39 326 8694 -39.1 -56.1 15 17.0 -39.9 263 109 322.5 322.5 289.6 322.7 0.06 40 323 8757 -39.5 -56.5 15 17.0 -40.3 262 109 322.8 322.8 289.7 323.0 0.06 41 300 9260 -41.7 -62.7 8 21.0 -42.4 265 110 326.6 326.6 290.7 326.7 0.03 42 278 9773 -44.3 -68.3 5 24.0 -44.9 265 123 330.0 330.0 291.7 330.1 0.01 43 262 10169 -46.1 -71.1 4 25.0 -46.7 260 117 333.0 333.0 292.6 333.1 0.01 44 260 10220 -46.3 -71.3 4 25.0 -46.9 260 117 333.5 333.5 292.7 333.5 0.01 45 258 10271 -46.5 -71.5 4 25.0 -47.0 260 117 333.9 333.9 292.8 334.0 0.01 46 254 10375 -46.3 -71.3 4 25.0 -46.9 260 117 335.7 335.7 293.3 335.7 0.01 47 250 10480 -46.3 -72.3 4 26.0 -46.9 260 118 337.2 337.2 293.6 337.3 0.01 48 240 10751 -47.5 -70.5 5 23.0 -48.0 265 120 339.4 339.4 294.2 339.4 0.01 49 238 10806 -47.5 -69.5 6 22.0 -48.0 265 121 340.2 340.2 294.4 340.3 0.01 50 235 10890 -47.3 -68.3 7 21.0 -47.8 265 123 341.7 341.7 294.7 341.8 0.02 51 228 11090 -46.9 -71.9 4 25.0 -47.5 263 123 345.3 345.3 295.6 345.4 0.01 52 213 11539 -49.9 -80.9 1 31.0 -50.4 260 123 347.4 347.4 296.1 347.4 0.00 53 211 11600 -50.1 -81.1 1 31.0 -50.5 262 124 348.1 348.1 296.2 348.1 0.00 54 210 11632 -50.1 -81.3 1 31.2 -50.5 265 127 348.5 348.5 296.3 348.5 0.00 55 207 11726 -50.1 -82.1 1 32.0 -50.5 265 127 350.0 350.0 296.6 350.0 0.00 56 200 11950 -51.1 -82.1 1 31.0 -51.5 265 119 351.8 351.8 297.0 351.9 0.00 57 192 12215 -51.3 -82.3 1 31.0 -51.7 265 124 355.7 355.7 297.8 355.7 0.00 58 183 12525 -53.1 -84.1 1 31.0 -53.5 260 125 357.7 357.7 298.2 357.7 0.00 59 150 13790 -58.5 -87.5 1 29.0 -58.7 265 112 369.3 369.3 300.4 369.3 0.00 60 100 16270 -69.1 -95.1 1 26.0 -69.2 260 77 394.2 394.2 304.4 394.2 0.00 61 92 16764 -72.1 -97.1 1 25.0 -72.2 255 73 397.8 397.8 304.9 397.8 0.00 62 89 16960 -71.5 -97.5 1 26.0 -71.6 258 81 402.8 402.8 305.6 402.8 0.00 63 88 17026 -71.1 -97.1 1 26.0 -71.2 259 83 404.9 404.9 305.9 404.9 0.00 64 77 17811 -73.7 -98.7 1 25.0 -73.7 278 64 415.2 415.2 307.2 415.2 0.00 65 73 18123 -72.3 -93.3 3 21.0 -72.4 273 69 424.6 424.6 308.2 424.6 0.00 66 71 18287 -72.1 -93.1 3 21.0 -72.2 270 71 428.4 428.4 308.7 428.4 0.00 67 70 18370 -72.5 -95.5 2 23.0 -72.6 270 71 429.3 429.3 308.7 429.3 0.00 68 67 18637 -73.3 -98.3 1 25.0 -73.4 269 69 433.0 433.0 309.1 433.0 0.00 69 67 18637 -73.3 -98.3 1 25.0 -73.4 269 69 433.0 433.0 309.1 433.0 0.00 70 64 18917 -69.7 -91.7 3 22.0 -69.8 269 66 446.6 446.6 310.6 446.6 0.00 71 50 20446 -66.3 -94.3 1 28.0 -66.5 265 54 487.2 487.2 314.0 487.3 0.00 72 44 21251 -60.5 -74.5 14 14.0 -61.0 263 47 519.6 519.6 316.3 519.8 0.04 73 38 22182 -61.5 -89.5 1 28.0 -62.1 261 40 539.3 539.3 317.5 539.3 0.00 74 38 22182 -61.3 -89.3 1 28.0 -61.9 261 40 539.8 539.8 317.5 539.8 0.00 75 35 22701 -62.5 -90.5 1 28.0 -63.1 255 36 549.5 549.5 318.1 549.5 0.00 76 34 22883 -62.7 -90.7 1 28.0 -63.3 250 35 553.5 553.5 318.3 553.6 0.00 77 32 23264 -61.7 -89.7 1 28.0 -62.4 253 38 565.9 565.9 318.9 565.9 0.00 78 31 23464 -61.5 -89.5 1 28.0 -62.3 255 39 571.6 571.6 319.2 571.6 0.00 79 30 23670 -62.1 -90.1 1 28.0 -62.8 265 25 575.3 575.3 319.5 575.4 0.00 80 29 23883 -62.1 -90.1 1 28.0 -62.9 268 29 581.0 581.0 319.7 581.0 0.00 81 28 24104 -61.3 -90.3 1 29.0 -62.1 264 27 589.0 589.0 320.1 589.1 0.00 82 27 24333 -60.3 -89.3 1 29.0 -61.3 256 40 598.0 598.0 320.5 598.0 0.00 83 20 26250 -55.1 -85.1 1 30.0 -57.3 285 19 667.5 667.5 323.3 667.6 0.01 84 19 26577 -55.9 -84.9 1 29.0 -58.0 286 17 674.9 674.9 323.6 675.0 0.02 85 18 26921 -56.1 -85.1 1 29.0 -58.2 288 16 684.8 684.8 323.9 684.9 0.02 86 17 27288 -51.7 -84.7 1 33.0 -55.1 289 14 710.2 710.2 324.7 710.3 0.02 87 17 27288 -51.9 -84.9 1 33.0 -55.2 289 14 709.5 709.5 324.7 709.7 0.02 88 15 28098 -52.7 -83.7 1 31.0 -56.1 273 18 732.7 732.7 325.4 732.9 0.02 89 14 28545 -51.1 -82.1 1 31.0 -55.1 252 24 752.8 752.8 326.0 753.1 0.03 90 13 29026 -51.5 -82.5 1 31.0 -55.6 247 28 767.5 767.5 326.4 767.8 0.03 91 13 29026 -51.5 -82.5 1 31.0 -55.6 247 28 767.5 767.5 326.4 767.8 0.03 92 10 30742 -48.3 -80.3 1 32.0 -54.5 254 40 839.3 839.3 328.2 839.9 0.06 93 8.5 31819 -45.5 -78.5 1 33.0 -53.5 259 47 890.1 890.2 329.2 891.2 0.10 94 7.7 32480 -44.3 -77.3 1 33.0 -53.4 262 51 920.5 920.6 329.8 922.0 0.13 95 7.6 32567 -44.1 -77.1 1 33.0 -53.3 262 52 924.7 924.8 329.9 926.3 0.14 96 7.3 32838 -44.3 263 54 934.6 TRP WND 210 11632 -50.1 -81.3 1 31.2 -50.5 265 127 348.5 348.5 296.3 348.5 0.00 Sounding variables and indices 1000-500 mb thick: 5467.00 m Freezing level: 882.33 mb = 1195.90 m = 3923.50 ft Freezing level: 830.00 mb = 1680.96 m = 5514.89 ft Freezing level: 796.26 mb = 2013.82 m = 6606.92 ft Freezing level: 761.79 mb = 2367.23 m = 7766.41 ft Freezing level: 700.00 mb = 3046.00 m = 9993.32 ft Wetbulb zero: 903.20 mb = 1003.59 m = 3292.57 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 30.12 % Est. max temperature: 11.67 C = 53.01 F Sfc-Lift cond lev (LCL): 925.09 mb = 811.17 m = 2661.30 ft T: 3.41 C 700-500 lapse rate: 7.44 C/km ThetaE index: 3.09 C Layer 967.0- 822.0 mb Conv cond level (CCL): 863.00 mb = 1369.21 m = 4492.11 ft Mean mixing ratio: 3.96 g/kg Conv temperature: 9.42 C = 48.96 F Cap Strength: 13.74 C Lifted Index: 14.14 C Risk: None Lifted Index @300 mb: 23.35 C Lifted Index @700 mb: 13.22 C Showalter Index: 15.31 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 14.00 C K Index: -18.23 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 3.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.80 J/kg Max Up Vert Vel: 2.76 m/s Conv Inhibition (B-): 63497.38 J/kg Cap Strength: 14.12 C Lift Cond Lev (LCL): 872.12 mb = 1284.77 m = 4215.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 31 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 ---------------------------------------------------------- 0 991 244 340 5 1.7 -4.7 | 152 26 -12.0 23.1 1 984 305 310 9 6.9 -5.8 | 163 23 -6.8 22.0 2 948 610 330 19 9.5 -16.5 | 159 12 -4.2 11.3 3 925 812 335 20 8.5 -18.1 | 151 11 -5.3 9.7 4 913 914 335 20 8.5 -18.1 | 151 11 -5.3 9.7 5 879 1219 340 16 5.5 -15.0 | 147 15 -8.3 12.7 6 850 1490 345 16 4.1 -15.5 | 142 16 -9.6 12.3 7 846 1524 345 23 6.0 -22.2 | 126 10 -7.8 5.6 8 815 1829 345 31 8.0 -29.9 | 69 6 -5.7 -2.2 9 784 2134 335 31 13.1 -28.1 | 64 1 -0.6 -0.3 10 755 2438 325 37 21.2 -30.3 | 289 8 7.5 -2.5 11 727 2743 315 37 26.2 -26.2 | 263 13 12.4 1.6 12 700 3046 310 40 30.6 -25.7 | 263 17 16.9 2.1 13 700 3048 315 40 28.3 -28.3 | 272 15 14.5 -0.5 14 673 3353 300 42 36.4 -21.0 | 253 24 22.6 6.8 15 647 3658 305 47 38.5 -27.0 | 268 25 24.8 0.8 16 622 3962 295 47 42.6 -19.9 | 255 30 28.9 7.9 17 597 4267 295 51 46.2 -21.6 | 259 33 32.5 6.2 18 552 4877 290 54 50.7 -18.5 | 256 38 37.0 9.3 19 510 5486 290 62 58.3 -21.2 | 262 45 44.5 6.6 20 500 5640 290 64 60.1 -21.9 | 263 47 46.4 5.9 21 470 6096 290 68 63.9 -23.3 | 265 50 50.2 4.5 22 450 6401 285 74 71.5 -19.2 | 262 58 57.7 8.6 23 414 7010 275 93 92.6 -8.1 | 256 81 78.9 19.7 24 400 7260 270 95 95.0 -0.0 | 251 86 81.3 27.8 25 380 7620 270 101 101.0 -0.0 | 252 92 87.3 27.8 26 364 7925 270 99 99.0 -0.0 | 252 90 85.3 27.8 27 333 8534 265 108 107.6 9.4 | 248 101 93.9 37.2 28 319 8839 260 110 108.3 19.1 | 244 106 94.6 46.9 29 305 9144 260 112 110.3 19.4 | 244 107 96.6 47.2 30 300 9260 265 110 109.6 9.6 | 249 103 95.8 37.4 31 292 9449 265 110 109.6 9.6 | 249 103 95.8 37.4 32 279 9754 265 123 122.5 10.7 | 251 115 108.8 38.5 33 266 10058 260 116 114.2 20.1 | 245 111 100.5 47.9 34 250 10480 260 118 116.2 20.5 | 245 113 102.5 48.3 35 243 10668 265 118 117.6 10.3 | 250 111 103.8 38.1 36 232 10973 265 125 124.5 10.9 | 251 117 110.8 38.7 37 222 11278 260 121 119.2 21.0 | 245 116 105.4 48.8 38 212 11582 260 123 121.1 21.4 | 245 118 107.4 49.1 39 210 11632 265 127 126.5 11.1 | 251 119 112.8 38.8 40 202 11887 265 127 126.5 11.1 | 251 119 112.8 38.8 41 200 11950 265 119 118.5 10.4 | 250 112 104.8 38.2 42 193 12192 265 124 123.5 10.8 | 251 116 109.8 38.6 43 184 12497 260 126 124.1 21.9 | 246 121 110.3 49.7 44 175 12802 255 116 112.0 30.0 | 240 114 98.3 57.8 45 167 13106 260 118 116.2 20.5 | 245 113 102.5 48.3 46 159 13411 260 112 110.3 19.4 | 244 107 96.6 47.2 47 152 13716 270 113 113.0 -0.0 | 254 103 99.3 27.8 48 150 13790 265 112 111.6 9.8 | 249 105 97.8 37.5 49 144 14021 265 118 117.6 10.3 | 250 111 103.8 38.1 50 131 14630 260 94 92.6 16.3 | 241 90 78.8 44.1 51 118 15240 265 96 95.6 8.4 | 246 90 81.9 36.1 52 113 15545 260 101 99.5 17.5 | 242 97 85.7 45.3 53 107 15850 260 87 85.7 15.1 | 239 84 71.9 42.9 54 102 16154 260 69 68.0 12.0 | 234 67 54.2 39.8 55 100 16270 260 77 75.8 13.4 | 236 74 62.1 41.2 56 92 16764 255 73 70.5 18.9 | 231 73 56.8 46.7 57 87 17069 260 85 83.7 14.8 | 239 82 70.0 42.5 58 83 17374 280 92 90.6 -16.0 | 261 78 76.9 11.8 59 79 17678 280 62 61.1 -10.8 | 250 50 47.3 17.0 60 71 18288 270 71 71.0 -0.0 | 244 64 57.3 27.8 61 70 18370 270 71 71.0 -0.0 | 244 64 57.3 27.8 62 36 22555 260 37 36.4 6.4 | 214 41 22.7 34.2 63 34 22860 250 35 32.9 12.0 | 206 44 19.2 39.8 64 31 23470 255 39 37.7 10.1 | 212 45 23.9 37.9 65 30 23670 265 25 24.9 2.2 | 200 32 11.2 30.0 66 30 23774 270 32 32.0 -0.0 | 213 33 18.3 27.8 67 28 24079 265 25 24.9 2.2 | 200 32 11.2 30.0 68 27 24384 255 43 41.5 11.1 | 216 48 27.8 38.9 69 20 26250 285 19 18.4 -4.9 | 191 23 4.6 22.9 70 17 26822 290 13 12.2 -4.4 | 176 23 -1.5 23.3 71 15 27127 275 17 16.9 -1.5 | 187 26 3.2 26.3 72 14 27432 245 26 23.6 11.0 | 194 40 9.8 38.8 73 7 29566 265 56 55.8 4.9 | 232 53 42.0 32.7 Wind Parameters Mean winds (0-6000m): 303.7 at 41.3 knts Storm direction: 333.7 at 31.0 knts Shear (0-3000m) pos: 1.8 neg: 5.9 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 106.5 deg Storm rel helicity (0-3000m) pos: 33.5 neg: -65.7 tot: -32.1 m^2/s^2 ave: -10.7 10^-3 m/s^2 rel: -0.31 Storm rel vorticity (0-3000m) horiz: 11.6 stream: -3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 106.92 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 ------------------------------------------------------------------------------- 500 326 15 160 17| 0.0 15.1 15.1| 30.4 -8.0 22.4 44.8 0.15| 17.9 2.7 1000 332 17 156 14| 2.2 7.6 9.8| 30.4 -13.4 17.0 17.0 0.04| 11.5 0.5 1500 337 18 149 13| 3.5 5.0 8.6| 30.4 -38.4 -8.0 -5.3 -0.24| 12.5 -2.9 2000 338 21 145 10| 2.7 5.4 8.1| 30.4 -42.6 -12.2 -6.1 -0.30| 12.2 -3.7 2500 333 24 155 7| 2.1 5.8 7.9| 30.4 -55.8 -25.3 -10.1 -0.34| 12.2 -4.1 3000 328 27 186 5| 1.8 5.9 7.7| 33.5 -65.7 -32.1 -10.7 -0.31| 11.6 -3.6 4000 317 32 241 9| 1.3 5.9 7.3| 86.0-118.2 -32.1 -8.0 -0.24| 11.4 -2.7 5000 309 36 252 15| 1.1 5.7 6.7|112.1-134.6 -22.5 -4.5 -0.21| 10.2 -2.1 6000 304 41 257 21| 0.9 5.8 6.7|161.5-152.0 9.5 1.6 -0.16| 9.6 -1.5 Wrote GIF file: /home/apache/climate/data/raob//KFFC/skewt/KFFC.skewt.20251209.00.gif