UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for KFFC... Searching the city database file for: KFFC ... Date:1200Z 8 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 148 SFC 988 244 6.0 5.6 97 0.4 5.8 335 4 280.1 281.1 279.5 295.9 5.77 2 981 303 5.4 3.9 90 1.5 4.6 311 7 280.1 281.0 278.7 294.3 5.16 3 976 344 4.8 3.5 91 1.3 4.2 312 8 279.9 280.7 278.5 293.7 5.04 4 955 523 4.4 3.4 93 1.0 3.9 321 11 281.2 282.1 279.3 295.4 5.11 5 930 740 4.0 2.6 91 1.4 3.4 325 13 283.0 283.8 279.9 296.8 4.96 6 925 784 4.0 2.7 91 1.3 3.4 325 13 283.4 284.3 280.2 297.4 5.02 7 914 881 3.8 2.8 93 1.0 3.3 314 14 284.2 285.1 280.7 298.5 5.12 8 897 1034 3.0 1.9 92 1.1 2.5 306 15 284.9 285.7 280.7 298.6 4.89 9 889 1107 3.6 2.6 93 1.0 3.1 304 14 286.2 287.1 281.7 300.9 5.19 10 881 1180 3.2 1.4 88 1.8 2.4 301 14 286.5 287.4 281.4 300.2 4.80 11 873 1254 3.4 1.3 86 2.1 2.4 299 14 287.5 288.3 281.8 301.2 4.81 12 865 1329 3.4 1.2 85 2.2 2.4 298 15 288.3 289.1 282.2 302.0 4.82 13 857 1404 3.2 1.3 87 1.9 2.3 296 16 288.8 289.7 282.5 302.8 4.90 14 850 1471 3.0 0.9 86 2.1 2.0 295 17 289.3 290.1 282.6 303.1 4.80 15 834 1625 2.6 -0.2 82 2.8 1.3 290 26 290.4 291.2 282.8 303.5 4.52 16 794 2021 0.4 -1.1 90 1.5 -0.3 281 31 292.2 293.0 283.5 305.1 4.44 17 774 2225 -0.3 -1.6 91 1.3 -0.9 274 31 293.6 294.4 284.0 306.5 4.39 18 758 2393 -0.5 -2.3 88 1.8 -1.3 271 31 295.1 295.9 284.4 307.7 4.26 19 744 2542 -0.5 -3.8 78 3.3 -2.0 268 32 296.7 297.4 284.7 308.3 3.88 20 737 2617 -0.9 -4.5 77 3.6 -2.4 267 32 297.1 297.8 284.7 308.2 3.71 21 710 2914 -3.5 -6.5 80 3.0 -4.7 271 37 297.4 298.0 284.3 307.4 3.31 22 700 3026 -4.1 -7.4 78 3.3 -5.4 275 39 297.9 298.5 284.4 307.4 3.13 23 683 3219 -4.7 -9.7 68 5.0 -6.6 275 43 299.4 299.9 284.4 307.6 2.68 24 664 3440 -6.1 -10.7 70 4.6 -7.8 274 48 300.2 300.7 284.6 308.1 2.55 25 657 3523 -6.7 -11.7 68 5.0 -8.5 272 50 300.5 300.9 284.5 307.8 2.37 26 626 3898 -8.9 -17.9 48 9.0 -11.5 264 57 302.1 302.4 284.1 306.9 1.49 27 594 4301 -11.9 -16.9 66 5.0 -13.4 255 62 303.2 303.5 284.8 308.7 1.71 28 587 4391 -12.1 -20.1 51 8.0 -14.2 255 61 304.0 304.3 284.7 308.3 1.32 29 581 4470 -11.9 -28.9 23 17.0 -15.4 255 61 305.1 305.3 284.2 307.2 0.60 30 564 4697 -11.7 -54.7 1 43.0 -16.6 257 63 308.0 308.0 284.6 308.1 0.04 31 553 4847 -12.1 -55.1 1 43.0 -16.9 259 67 309.2 309.3 285.1 309.4 0.04 32 524 5257 -14.3 -56.3 1 42.0 -18.7 256 69 311.4 311.4 285.9 311.5 0.04 33 500 5610 -16.7 -57.7 2 41.0 -20.6 255 70 312.7 312.7 286.3 312.8 0.03 34 494 5701 -17.1 -58.1 2 41.0 -20.9 255 71 313.3 313.3 286.5 313.4 0.03 35 481 5901 -17.5 -57.5 2 40.0 -21.3 257 74 315.2 315.2 287.2 315.3 0.03 36 425 6818 -23.3 -47.3 9 24.0 -25.8 268 84 319.1 319.1 288.6 319.6 0.13 37 418 6939 -23.3 -49.3 7 26.0 -25.9 266 88 320.6 320.7 289.0 321.0 0.10 38 400 7260 -26.1 -49.1 10 23.0 -28.3 260 98 321.1 321.1 289.2 321.5 0.11 39 392 7406 -27.1 -48.1 12 21.0 -29.1 264 95 321.6 321.6 289.4 322.1 0.13 40 352 8173 -33.5 -52.5 13 19.0 -34.8 260 101 323.0 323.1 289.8 323.4 0.08 41 344 8335 -34.3 -54.3 11 20.0 -35.5 259 102 324.1 324.1 290.1 324.4 0.07 42 328 8667 -36.7 -57.7 10 21.0 -37.8 257 107 325.2 325.2 290.4 325.4 0.05 43 300 9280 -41.5 -57.5 16 16.0 -42.2 255 116 326.9 326.9 290.9 327.1 0.05 44 296 9371 -42.3 -57.3 18 15.0 -42.9 255 118 327.0 327.0 290.9 327.2 0.06 45 294 9416 -42.5 -58.5 16 16.0 -43.1 255 118 327.3 327.4 291.0 327.5 0.05 46 291 9485 -42.5 -60.5 12 18.0 -43.2 254 118 328.3 328.3 291.3 328.5 0.04 47 284 9649 -42.1 -65.1 6 23.0 -42.9 252 116 331.2 331.2 292.0 331.3 0.02 48 250 10500 -46.9 -69.9 6 23.0 -47.4 260 118 336.3 336.3 293.4 336.4 0.01 49 241 10743 -45.6 -73.7 3 28.1 -46.3 255 122 341.8 341.8 294.7 341.8 0.01 50 236 10882 -44.9 -75.9 2 31.0 -45.6 255 122 345.0 345.0 295.5 345.0 0.01 51 234 10939 -44.9 -77.9 1 33.0 -45.6 255 122 345.8 345.8 295.7 345.8 0.00 52 213 11560 -49.3 -81.3 1 32.0 -49.8 260 115 348.4 348.4 296.3 348.4 0.00 53 211 11621 -49.5 -81.5 1 32.0 -50.0 260 115 349.0 349.0 296.4 349.0 0.00 54 200 11970 -50.9 -81.9 1 31.0 -51.4 260 114 352.2 352.2 297.1 352.2 0.00 55 198 12035 -51.1 -82.1 1 31.0 -51.5 260 113 352.9 352.9 297.3 352.9 0.00 56 197 12068 -51.1 -82.1 1 31.0 -51.5 260 113 353.4 353.4 297.4 353.4 0.00 57 195 12134 -51.1 -82.1 1 31.0 -51.5 260 112 354.4 354.4 297.5 354.4 0.00 58 179 12687 -53.7 -83.7 1 30.0 -54.1 256 113 358.9 358.9 298.5 358.9 0.00 59 150 13810 -58.3 -87.3 1 29.0 -58.6 255 99 369.6 369.6 300.5 369.6 0.00 60 101 16212 -72.7 -96.7 1 24.0 -72.8 250 81 386.2 386.2 303.2 386.2 0.00 61 100 16270 -72.5 -95.5 2 23.0 -72.6 250 82 387.6 387.6 303.5 387.7 0.00 TRP 101 16212 -72.7 -96.7 1 24.0 -72.8 250 81 386.2 386.2 303.2 386.2 0.00 WND 241 10743 -45.6 -73.7 3 28.1 -46.3 255 122 341.8 341.8 294.7 341.8 0.01 Sounding variables and indices 1000-500 mb thick: 5462.00 m Freezing level: 782.57 mb = 2137.79 m = 7013.68 ft Wetbulb zero: 800.91 mb = 1951.14 m = 6401.30 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 61.40 % Est. max temperature: 16.00 C = 60.80 F Sfc-Lift cond lev (LCL): 981.93 mb = 294.72 m = 966.90 ft T: 5.48 C 700-500 lapse rate: 4.88 C/km ThetaE index: 2.19 C Layer 981.0- 955.0 mb Conv cond level (CCL): 801.66 mb = 1943.61 m = 6376.60 ft Mean mixing ratio: 5.07 g/kg Conv temperature: 17.71 C = 63.87 F Cap Strength: 14.10 C Lifted Index: 14.63 C Risk: None Lifted Index @300 mb: 21.47 C Lifted Index @700 mb: 7.31 C Showalter Index: 10.15 C Risk: None Total Totals Index: 37.30 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: 17.60 C K Index: 17.30 Risk: < 20 % chance of thunderstorms Sweat Index: 114.80 Risk: None Energy Index: 2.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.68 J/kg Max Up Vert Vel: 7.03 m/s Conv Inhibition (B-): 15952.79 J/kg Cap Strength: 14.64 C Lift Cond Lev (LCL): 920.10 mb = 827.27 m = 2714.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 33 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 ---------------------------------------------------------- 0 988 244 335 4 1.7 -3.6 | 111 30 -28.4 10.9 1 981 305 310 7 5.4 -4.5 | 112 27 -24.7 10.0 2 945 610 325 13 7.5 -10.6 | 100 23 -22.6 3.9 3 925 784 325 13 7.5 -10.6 | 100 23 -22.6 3.9 4 910 914 310 15 11.5 -9.6 | 105 19 -18.6 4.9 5 877 1219 300 14 12.1 -7.0 | 113 19 -18.0 7.5 6 850 1471 295 17 15.4 -7.2 | 117 16 -14.7 7.3 7 844 1524 290 24 22.6 -8.2 | 130 10 -7.5 6.3 8 813 1829 290 30 28.2 -10.3 | 156 5 -1.9 4.3 9 783 2134 275 31 30.9 -2.7 | 184 12 0.8 11.8 10 753 2438 270 31 31.0 -0.0 | 184 15 0.9 14.5 11 725 2743 265 33 32.9 2.9 | 189 18 2.8 17.4 12 700 3026 275 39 38.9 -3.4 | 218 14 8.8 11.1 13 671 3353 275 46 45.8 -4.0 | 236 19 15.7 10.5 14 645 3658 270 54 54.0 -0.0 | 239 28 23.9 14.5 15 596 4267 255 62 59.9 16.0 | 224 43 29.8 30.6 16 572 4572 255 60 58.0 15.5 | 223 41 27.9 30.1 17 550 4877 260 68 67.0 11.8 | 234 45 36.9 26.3 18 529 5182 255 71 68.6 18.4 | 229 51 38.5 32.9 19 508 5486 260 64 63.0 11.1 | 232 42 32.9 25.6 20 500 5610 255 70 67.6 18.1 | 229 50 37.5 32.6 21 488 5791 255 72 69.5 18.6 | 230 52 39.5 33.2 22 468 6096 260 78 76.8 13.5 | 239 55 46.7 28.1 23 449 6401 265 72 71.7 6.3 | 243 47 41.6 20.8 24 431 6706 270 81 81.0 -0.0 | 254 53 50.9 14.5 25 400 7260 260 98 96.5 17.0 | 245 74 66.4 31.5 26 397 7315 265 94 93.6 8.2 | 250 67 63.6 22.7 27 380 7620 260 99 97.5 17.2 | 245 74 67.4 31.7 28 348 8230 260 101 99.5 17.5 | 245 76 69.4 32.1 29 319 8839 255 109 105.3 28.2 | 240 86 75.2 42.7 30 306 9144 255 112 108.2 29.0 | 241 89 78.1 43.5 31 300 9280 255 116 112.0 30.0 | 241 93 82.0 44.5 32 293 9449 255 119 114.9 30.8 | 242 96 84.9 45.3 33 280 9754 250 114 107.1 39.0 | 235 94 77.0 53.5 34 267 10058 250 121 113.7 41.4 | 236 101 83.6 55.9 35 255 10363 255 118 114.0 30.5 | 242 95 83.9 45.1 36 250 10500 260 118 116.2 20.5 | 248 93 86.1 35.0 37 244 10668 260 118 116.2 20.5 | 248 93 86.1 35.0 38 241 10743 255 122 117.8 31.6 | 242 99 87.8 46.1 39 233 10973 255 122 117.8 31.6 | 242 99 87.8 46.1 40 212 11582 260 115 113.3 20.0 | 247 90 83.2 34.5 41 203 11887 260 116 114.2 20.1 | 248 91 84.1 34.7 42 200 11970 260 114 112.3 19.8 | 247 89 82.2 34.3 43 193 12192 260 111 109.3 19.3 | 247 86 79.2 33.8 44 176 12802 255 114 110.1 29.5 | 241 91 80.0 44.0 45 167 13106 255 112 108.2 29.0 | 241 89 78.1 43.5 46 160 13411 255 111 107.2 28.7 | 241 88 77.1 43.2 47 152 13716 260 100 98.5 17.4 | 245 75 68.4 31.9 48 150 13810 255 99 95.6 25.6 | 239 77 65.5 40.1 49 145 14021 255 102 98.5 26.4 | 239 80 68.4 40.9 50 138 14326 260 92 90.6 16.0 | 243 68 60.5 30.5 51 125 14935 260 88 86.7 15.3 | 242 64 56.6 29.8 52 119 15240 260 91 89.6 15.8 | 243 67 59.5 30.3 53 113 15545 265 96 95.6 8.4 | 251 69 65.5 22.9 54 107 15850 270 86 86.0 -0.0 | 255 58 55.9 14.5 55 101 16212 250 81 76.1 27.7 | 227 62 46.0 42.2 56 100 16270 250 82 77.1 28.0 | 228 63 47.0 42.6 57 96 16459 250 82 77.1 28.0 | 228 63 47.0 42.6 Wind Parameters Mean winds (0-6000m): 265.8 at 44.5 knts Storm direction: 295.8 at 33.4 knts Shear (0-3000m) pos: 2.1 neg: 5.5 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 120.4 deg Storm rel helicity (0-3000m) pos: 104.8 neg: -30.5 tot: 74.2 m^2/s^2 ave: 24.7 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.12 Bulk Shear: 208.45 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 ------------------------------------------------------------------------------- 500 322 10 105 25| 0.0 9.3 9.3| 0.0 -30.4 -30.4 -60.8 -0.47| 10.4 -4.9 1000 314 12 106 22| 0.0 5.8 5.8| 24.3 -30.4 -6.2 -6.2 -0.01| 8.7 -0.1 1500 304 15 109 19| 0.0 8.8 8.8| 42.9 -30.4 12.5 8.3 0.19| 10.8 2.0 2000 295 19 117 14| 0.0 7.5 7.5| 50.7 -30.4 20.3 10.1 0.25| 10.8 2.7 2500 287 22 131 13| 0.0 6.6 6.6| 57.1 -30.5 26.6 10.6 0.25| 9.7 2.4 3000 283 24 145 11| 2.1 5.5 7.6|104.8 -30.5 74.2 24.7 0.39| 10.4 4.0 4000 276 32 189 11| 1.6 6.9 8.5|117.6-109.1 8.5 2.1 0.20| 11.3 2.2 5000 269 39 210 18| 1.7 6.1 7.8|205.7-158.9 46.8 9.4 0.20| 10.9 2.2 6000 266 45 219 23| 2.2 5.3 7.5|375.9-184.7 191.2 31.9 0.24| 11.4 2.7 Wrote GIF file: /home/apache/climate/data/raob//KFFC/skewt/KFFC.skewt.20251208.12.gif