UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123000.upa.cvt Date: 0000Z 30 DEC 25 Searching for KFFC... Searching the city database file for: KFFC ... Date:0000Z 30 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 165 SFC 990 244 5.2 -7.8 38 13.0 0.5 340 11 279.2 279.5 274.2 285.2 2.14 2 978 344 4.2 -10.8 33 15.0 -0.8 315 19 279.1 279.4 273.5 284.0 1.71 3 966 444 3.0 -12.0 32 15.0 -1.8 315 22 278.9 279.2 273.1 283.4 1.57 4 925 795 -0.3 -13.3 37 13.0 -4.2 315 27 279.0 279.3 273.1 283.3 1.48 5 897 1040 -2.3 -14.3 39 12.0 -5.8 326 29 279.4 279.6 273.2 283.5 1.41 6 888 1120 -2.5 -15.5 36 13.0 -6.1 330 31 280.0 280.2 273.3 283.8 1.29 7 862 1357 0.2 -13.8 34 14.0 -4.2 341 36 285.2 285.5 276.5 289.7 1.52 8 850 1469 0.2 -14.8 31 15.0 -4.4 345 39 286.4 286.6 277.0 290.6 1.42 9 816 1796 1.2 -15.8 27 17.0 -4.1 341 36 290.8 291.0 279.1 294.9 1.37 10 810 1856 1.0 -17.0 25 18.0 -4.5 339 35 291.2 291.4 279.1 295.0 1.24 11 790 2056 0.8 -20.2 19 21.0 -5.2 329 33 293.1 293.2 279.6 296.1 0.97 12 784 2118 0.8 -20.2 19 21.0 -5.3 326 32 293.7 293.9 279.9 296.8 0.98 13 767 2294 2.2 -23.8 13 26.0 -4.9 314 34 297.1 297.2 281.1 299.4 0.73 14 755 2421 2.0 -27.0 10 29.0 -5.4 306 35 298.2 298.3 281.3 300.0 0.55 15 743 2550 2.2 -32.8 5 35.0 -5.8 305 37 299.8 299.8 281.7 300.9 0.33 16 700 3029 0.0 -48.0 1 48.0 -7.9 305 41 302.5 302.5 282.5 302.7 0.07 17 695 3086 -0.3 309 43 302.8 18 660 3498 -1.7 295 51 305.7 19 656 3546 -1.7 294 52 306.2 20 652 3595 -1.7 292 53 306.8 21 633 3830 -2.5 286 58 308.5 22 629 3880 -2.7 285 59 308.8 23 624 3943 -2.7 283 60 309.5 24 613 4084 -2.3 280 62 311.5 25 577 4561 -5.7 -41.7 4 36.0 -12.2 273 70 313.0 313.0 286.6 313.6 0.17 26 552 4907 -7.1 -47.1 2 40.0 -13.4 270 74 315.3 315.4 287.3 315.7 0.10 27 521 5354 -10.1 -28.1 21 18.0 -14.5 267 80 317.0 317.1 288.6 319.5 0.73 28 505 5594 -11.5 -27.5 25 16.0 -15.4 262 78 318.1 318.3 289.0 320.9 0.79 29 500 5670 -11.7 -29.7 21 18.0 -15.8 260 78 318.8 318.9 289.0 321.1 0.65 30 490 5825 -12.9 -31.9 19 19.0 -16.9 261 77 319.1 319.3 289.0 321.1 0.54 31 483 5934 -13.7 -31.7 20 18.0 -17.4 265 78 319.5 319.6 289.2 321.5 0.56 32 479 5997 -14.1 -33.1 18 19.0 -17.9 267 79 319.7 319.8 289.2 321.5 0.49 33 438 6670 -19.3 -28.3 45 9.0 -21.2 271 94 321.5 321.6 290.1 324.4 0.85 34 420 6982 -20.9 -31.9 37 11.0 -22.9 266 91 323.3 323.4 290.5 325.5 0.63 35 400 7340 -24.3 -33.3 43 9.0 -25.8 260 92 323.4 323.5 290.4 325.5 0.58 36 378 7750 -27.3 -34.3 51 7.0 -28.4 255 93 324.7 324.8 290.8 326.7 0.55 37 372 7865 -27.7 -34.7 51 7.0 -28.7 255 95 325.7 325.8 291.0 327.7 0.54 38 356 8180 -29.9 -34.6 64 4.7 -30.6 259 100 326.8 327.0 291.4 328.9 0.57 39 348 8341 -30.9 -36.9 56 6.0 -31.7 260 101 327.6 327.7 291.5 329.3 0.46 40 343 8444 -31.5 -37.5 55 6.0 -32.3 260 102 328.2 328.3 291.6 329.8 0.44 41 319 8954 -34.5 -52.5 14 18.0 -35.7 260 102 330.9 330.9 292.0 331.3 0.09 42 300 9380 -38.3 -51.3 24 13.0 -39.1 265 102 331.4 331.4 292.2 331.8 0.11 43 293 9541 -39.7 -51.7 27 12.0 -40.4 264 102 331.6 331.7 292.3 332.1 0.11 44 288 9658 -40.9 -53.9 23 13.0 -41.6 262 102 331.6 331.6 292.2 331.9 0.09 45 276 9944 -43.3 -54.3 29 11.0 -43.8 263 103 332.2 332.2 292.4 332.5 0.09 46 269 10116 -44.5 -54.5 32 10.0 -44.9 264 105 332.9 332.9 292.6 333.2 0.09 47 258 10393 -47.1 -58.1 27 11.0 -47.5 261 107 333.0 333.0 292.6 333.3 0.06 48 254 10496 -47.1 -59.1 24 12.0 -47.5 263 109 334.5 334.5 293.0 334.7 0.05 49 250 10600 -47.7 -59.7 24 12.0 -48.1 265 111 335.2 335.2 293.2 335.4 0.05 50 244 10761 -49.1 -61.1 23 12.0 -49.4 264 111 335.4 335.4 293.2 335.6 0.04 51 239 10897 -50.3 -60.3 30 10.0 -50.6 263 112 335.6 335.6 293.3 335.8 0.05 52 229 11176 -52.3 -61.3 33 9.0 -52.5 261 113 336.7 336.7 293.5 336.8 0.04 53 225 11290 -53.3 -62.3 33 9.0 -53.5 260 113 336.8 336.8 293.6 337.0 0.04 54 215 11582 -55.9 -63.9 36 8.0 -56.1 258 116 337.2 337.2 293.7 337.3 0.03 55 211 11702 -56.9 -65.9 31 9.0 -57.1 257 117 337.5 337.5 293.7 337.6 0.03 56 200 12040 -59.9 -67.9 34 8.0 -60.0 255 117 337.9 337.9 293.8 338.0 0.02 57 199 12071 -60.1 -68.1 34 8.0 -60.2 255 117 338.1 338.1 293.9 338.2 0.02 58 194 12230 -61.1 -69.1 34 8.0 -61.2 256 116 338.9 338.9 294.1 339.0 0.02 59 182 12626 -63.7 -71.0 36 7.3 -63.8 260 131 340.9 340.9 294.6 340.9 0.01 60 177 12797 -64.9 -71.9 37 7.0 -65.0 265 127 341.7 341.7 294.7 341.8 0.01 61 150 13820 -60.7 -71.7 22 11.0 -60.9 250 106 365.5 365.5 299.8 365.6 0.02 62 100 16320 -67.1 -85.1 6 18.0 -67.2 265 81 398.1 398.1 304.9 398.1 0.00 63 70 18500 -71.1 -95.1 2 24.0 -71.2 265 51 432.3 432.3 309.1 432.3 0.00 64 62 19230 -71.7 -97.7 1 26.0 -71.8 265 46 446.2 446.2 310.5 446.2 0.00 65 59 19528 -71.1 -97.1 1 26.0 -71.2 265 44 453.9 453.9 311.2 453.9 0.00 66 58 19631 -71.3 -97.3 1 26.0 -71.4 265 43 455.7 455.7 311.4 455.7 0.00 67 56 19842 -70.1 -97.1 1 27.0 -70.2 265 42 463.0 463.0 312.0 463.0 0.00 68 53 20175 -68.9 -95.9 1 27.0 -69.1 265 39 473.2 473.2 312.9 473.2 0.00 69 51 20409 -67.9 -94.9 1 27.0 -68.1 265 30 480.7 480.7 313.5 480.8 0.00 70 50 20530 -67.3 -94.3 1 27.0 -67.5 265 24 484.9 484.9 313.8 484.9 0.00 71 46 21035 -66.1 -93.1 1 27.0 -66.4 260 25 499.5 499.5 314.9 499.5 0.00 72 44 21304 -66.1 -93.1 1 27.0 -66.4 274 16 505.9 505.9 315.4 505.9 0.00 73 42 21587 -64.7 -92.7 1 28.0 -65.1 265 13 516.1 516.1 316.1 516.1 0.00 74 40 21887 -63.1 -91.1 1 28.0 -63.6 254 11 527.4 527.4 316.8 527.4 0.00 75 39 22042 -63.5 -91.5 1 28.0 -64.0 249 10 530.2 530.2 316.9 530.2 0.00 76 39 22042 -63.5 -91.5 1 28.0 -64.0 249 10 530.2 530.2 316.9 530.2 0.00 77 37 22367 -62.5 -91.5 1 29.0 -63.1 237 8 540.8 540.8 317.6 540.8 0.00 78 35 22710 -61.9 -89.9 1 28.0 -62.6 238 17 551.1 551.1 318.2 551.1 0.00 79 32 23263 -63.1 -91.1 1 28.0 -63.7 264 43 562.1 562.1 318.8 562.2 0.00 80 31 23458 -63.5 -91.5 1 28.0 -64.1 272 36 566.2 566.2 319.0 566.2 0.00 81 30 23660 -63.1 -91.1 1 28.0 -63.7 280 30 572.6 572.6 319.3 572.6 0.00 82 28 24087 -60.9 -89.9 1 29.0 -61.8 272 27 590.1 590.1 320.2 590.2 0.00 83 26 24551 -59.1 -88.1 1 29.0 -60.3 264 28 607.9 607.9 321.0 607.9 0.01 84 23 25317 -61.1 -89.1 1 28.0 -62.1 257 35 623.7 623.7 321.6 623.7 0.01 85 22 25594 -61.3 -89.3 1 28.0 -62.3 255 37 631.1 631.1 321.9 631.1 0.01 86 20 26190 -58.3 -87.3 1 29.0 -59.9 250 43 657.7 657.7 323.0 657.8 0.01 87 19 26512 -58.1 -87.1 1 29.0 -59.8 250 42 668.1 668.1 323.3 668.1 0.01 88 18 26851 -58.5 -87.5 1 29.0 -60.2 250 42 677.2 677.2 323.7 677.3 0.01 89 13 28920 -52.3 -84.3 1 32.0 -56.2 255 58 764.7 764.7 326.3 764.9 0.02 90 13 28920 -51.5 -82.5 1 31.0 -55.6 255 58 767.5 767.5 326.4 767.8 0.03 91 12 29437 -52.7 -82.7 1 30.0 -56.6 250 66 781.0 781.0 326.8 781.3 0.04 92 11 29996 -53.7 -83.7 1 30.0 -57.5 254 82 797.1 797.1 327.2 797.4 0.03 93 10 30610 -51.9 -82.9 1 31.0 -56.6 255 79 825.8 825.8 327.8 826.2 0.04 94 9.7 30807 -51.7 -82.7 1 31.0 -56.6 833.8 833.8 328.0 834.2 0.04 95 9.4 31011 -51.7 -82.7 1 31.0 -56.7 841.3 841.3 328.2 841.8 0.05 96 8.5 31665 -51.3 -82.3 1 31.0 -56.8 867.5 867.5 328.8 868.0 0.05 97 8.2 31898 -51.3 -82.3 1 31.0 -56.9 876.4 876.4 329.0 877.0 0.06 98 7.4 32569 -48.7 -80.7 1 32.0 -55.8 913.1 913.1 329.7 914.0 0.08 99 7.3 32659 -48.5 -80.5 1 32.0 -55.7 917.5 917.5 329.8 918.4 0.08 100 7.0 32935 -48.9 -80.9 1 32.0 -56.1 926.9 926.9 329.9 927.8 0.08 TRP 177 12797 -64.9 -71.9 37 7.0 -65.0 265 127 341.7 341.7 294.7 341.8 0.01 WND 182 12626 -63.7 -71.0 36 7.3 -63.8 260 131 340.9 340.9 294.6 340.9 0.01 Sounding variables and indices 1000-500 mb thick: 5505.00 m Freezing level: 928.73 mb = 763.13 m = 2503.67 ft Freezing level: 863.93 mb = 1339.17 m = 4393.54 ft Freezing level: 700.00 mb = 3029.00 m = 9937.54 ft Wetbulb zero: 985.55 mb = 280.84 m = 921.38 ft Precipitable water: 0.20 inches Sfc-500 mean rel hum: 20.57 % Est. max temperature: 13.66 C = 56.58 F Sfc-Lift cond lev (LCL): 809.38 mb = 1861.81 m = 6108.22 ft T: 0.99 C 700-500 lapse rate: 4.43 C/km ThetaE index: 1.96 C Layer 978.0- 897.0 mb Conv cond level (CCL): 411.41 mb = 7133.46 m = 23403.45 ft Mean mixing ratio: 1.55 g/kg Conv temperature: 49.27 C = 120.68 F Cap Strength: 29.00 C Lifted Index: 29.41 C Risk: None Lifted Index @300 mb: 33.93 C Lifted Index @700 mb: 20.02 C Showalter Index: 24.08 C Risk: None Total Totals Index: 8.80 C Risk: None Vertical Totals Index: 11.90 C Cross Totals Index: -3.10 C K Index: -50.90 Risk: None Sweat Index: 156.00 Risk: None Energy Index: 6.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.20 J/kg Max Up Vert Vel: 2.10 m/s Conv Inhibition (B-): 73618.21 J/kg Cap Strength: 28.84 C Lift Cond Lev (LCL): 759.48 mb = 2373.30 m = 7786.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 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 ---------------------------------------------------------- 0 990 244 340 11 3.8 -10.3 | 129 29 -22.4 18.4 1 983 305 315 18 12.7 -12.7 | 140 21 -13.4 16.0 2 946 610 315 27 19.1 -19.1 | 144 12 -7.1 9.7 3 925 795 315 27 19.1 -19.1 | 144 12 -7.1 9.7 4 911 914 320 26 16.7 -19.9 | 133 13 -9.4 8.8 5 877 1219 335 33 13.9 -29.9 | 85 12 -12.2 -1.2 6 850 1469 345 39 10.1 -37.7 | 61 18 -16.1 -8.9 7 844 1524 345 40 10.4 -38.6 | 58 19 -15.8 -9.9 8 813 1829 340 35 12.0 -32.9 | 74 15 -14.2 -4.1 9 783 2134 325 32 18.4 -26.2 | 108 8 -7.8 2.5 10 753 2438 305 35 28.7 -20.1 | 196 9 2.5 8.7 11 725 2743 305 40 32.8 -22.9 | 229 9 6.6 5.8 12 700 3029 305 41 33.6 -23.5 | 235 9 7.4 5.2 13 698 3048 310 42 32.2 -27.0 | 254 6 6.0 1.7 14 646 3658 290 55 51.7 -18.8 | 249 27 25.5 9.9 15 598 4267 275 66 65.7 -5.8 | 240 46 39.6 23.0 16 553 4877 270 74 74.0 -0.0 | 239 56 47.9 28.7 17 532 5182 270 81 81.0 -0.0 | 242 62 54.9 28.7 18 500 5670 260 78 76.8 13.5 | 230 66 50.7 42.3 19 492 5791 260 77 75.8 13.4 | 230 65 49.7 42.1 20 472 6096 270 80 80.0 -0.0 | 242 61 53.9 28.7 21 453 6401 275 92 91.6 -8.0 | 252 69 65.5 20.7 22 435 6706 270 94 94.0 -0.0 | 247 74 67.9 28.7 23 418 7010 265 91 90.7 7.9 | 240 74 64.5 36.7 24 400 7340 260 92 90.6 16.0 | 235 78 64.5 44.7 25 385 7620 255 90 86.9 23.3 | 229 80 60.8 52.0 26 368 7925 255 97 93.7 25.1 | 231 86 67.5 53.8 27 353 8230 260 101 99.5 17.5 | 238 87 73.3 46.3 28 324 8839 260 103 101.4 17.9 | 238 89 75.3 46.6 29 310 9144 260 100 98.5 17.4 | 237 86 72.3 46.1 30 300 9380 265 102 101.6 8.9 | 243 84 75.5 37.6 31 297 9449 265 103 102.6 9.0 | 244 85 76.5 37.7 32 284 9754 260 101 99.5 17.5 | 238 87 73.3 46.3 33 271 10058 265 105 104.6 9.2 | 244 87 78.5 37.9 34 259 10363 260 107 105.4 18.6 | 239 92 79.2 47.3 35 250 10600 265 111 110.6 9.7 | 246 93 84.4 38.4 36 247 10668 265 111 110.6 9.7 | 246 93 84.4 38.4 37 225 11278 260 113 111.3 19.6 | 240 98 85.1 48.4 38 205 11887 255 119 114.9 30.8 | 236 107 88.8 59.5 39 200 12040 255 117 113.0 30.3 | 236 105 86.9 59.0 40 195 12192 255 116 112.0 30.0 | 236 104 85.9 58.8 41 186 12497 260 120 118.2 20.8 | 242 105 92.0 49.6 42 182 12626 260 131 129.0 22.7 | 243 115 102.9 51.5 43 177 12797 265 127 126.5 11.1 | 248 108 100.4 39.8 44 177 12802 260 131 129.0 22.7 | 243 115 102.9 51.5 45 168 13106 260 118 116.2 20.5 | 241 103 90.1 49.2 46 160 13411 260 98 96.5 17.0 | 237 84 70.4 45.8 47 153 13716 260 127 125.1 22.1 | 243 111 98.9 50.8 48 150 13820 250 106 99.6 36.3 | 228 98 73.5 65.0 49 145 14021 250 108 101.5 36.9 | 229 100 75.3 65.7 50 138 14326 245 111 100.6 46.9 | 225 106 74.5 75.7 51 132 14630 245 118 106.9 49.9 | 226 113 80.8 78.6 52 125 14935 255 124 119.8 32.1 | 237 112 93.6 60.8 53 119 15240 255 117 113.0 30.3 | 236 105 86.9 59.0 54 113 15545 265 89 88.7 7.8 | 240 72 62.5 36.5 55 108 15850 265 89 88.7 7.8 | 240 72 62.5 36.5 56 103 16154 270 81 81.0 -0.0 | 242 62 54.9 28.7 57 100 16320 265 81 80.7 7.1 | 237 65 54.5 35.8 58 70 17669 265 51 50.8 4.4 | 217 41 24.7 33.2 59 52 20117 265 39 38.9 3.4 | 202 35 12.7 32.1 60 50 20530 265 24 23.9 2.1 | 176 31 -2.2 30.8 61 46 21031 260 25 24.6 4.3 | 177 33 -1.5 33.1 62 44 21336 275 15 14.9 -1.3 | 158 30 -11.2 27.4 63 36 22555 230 7 5.4 4.5 | 148 39 -20.8 33.2 64 33 23165 260 46 45.3 8.0 | 208 41 19.2 36.7 65 30 23660 280 30 29.5 -5.2 | 188 24 3.4 23.5 66 29 23774 280 29 28.6 -5.0 | 186 24 2.4 23.7 67 27 24384 265 26 25.9 2.3 | 180 31 -0.2 31.0 68 20 26190 250 43 40.4 14.7 | 198 46 14.3 43.5 69 17 27127 250 41 38.5 14.0 | 196 45 12.4 42.8 70 16 27432 250 46 43.2 15.7 | 201 48 17.1 44.5 71 15 28042 250 59 55.4 20.2 | 211 57 29.3 48.9 72 14 28651 255 64 61.8 16.6 | 218 58 35.7 45.3 73 13 28956 255 58 56.0 15.0 | 214 53 29.9 43.8 74 12 29261 250 63 59.2 21.5 | 213 60 33.1 50.3 75 11 29870 250 74 69.5 25.3 | 219 69 43.4 54.1 76 11 30175 260 93 91.6 16.1 | 236 79 65.4 44.9 77 10 30610 255 79 76.3 20.4 | 226 70 50.2 49.2 Wind Parameters Mean winds (0-6000m): 287.7 at 51.8 knts Storm direction: 317.7 at 38.9 knts Shear (0-3000m) pos: 2.9 neg: 7.2 tot: 10.2 10-3/s Storm rel Dir Shear (0-3000m): 126.0 deg Storm rel helicity (0-3000m) pos: 104.2 neg: -63.5 tot: 40.7 m^2/s^2 ave: 13.6 10^-3 m/s^2 rel: 0.20 Storm rel vorticity (0-3000m) horiz: 14.0 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 148.37 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 ------------------------------------------------------------------------------- 500 316 23 141 16| 0.0 18.2 18.2| 32.4 0.0 32.4 64.9 0.31| 18.7 5.7 1000 321 26 131 13| 6.6 9.1 15.7| 32.4 -39.4 -7.0 -7.0 -0.23| 16.3 -3.7 1500 330 30 105 12| 5.9 6.1 11.9| 45.2 -63.4 -18.2 -12.1 -0.24| 15.0 -3.6 2000 331 31 100 11| 4.4 6.7 11.1| 73.7 -63.4 10.3 5.2 0.01| 15.2 0.2 2500 325 32 108 8| 3.5 7.5 11.1| 96.3 -63.4 32.9 13.1 0.17| 14.8 2.6 3000 321 33 118 6| 2.9 7.2 10.2|104.2 -63.5 40.7 13.6 0.20| 14.0 2.8 4000 309 39 227 6| 2.2 9.2 11.4|104.2-130.4 -26.2 -6.5 0.07| 14.8 1.1 5000 296 46 241 17| 1.8 9.1 10.9|149.7-165.8 -16.2 -3.2 0.07| 13.8 0.9 6000 288 52 241 27| 2.8 7.6 10.4|466.9-371.8 95.0 15.8 0.09| 14.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//KFFC/skewt/KFFC.skewt.20251230.00.gif