UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for KFFC... Searching the city database file for: KFFC ... Date:0000Z 1 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 200 0 0 SFC 995 244 7.6 7.0 96 0.6 7.3 0 0 281.2 282.2 280.7 298.5 6.32 2 988 302 7.0 5.8 92 1.2 6.4 86 3 281.1 282.1 280.1 297.2 5.85 3 980 368 6.4 5.3 93 1.1 5.8 66 4 281.2 282.1 280.0 296.9 5.70 4 963 511 6.0 5.1 94 0.9 5.5 12 8 282.2 283.2 280.4 298.0 5.72 5 930 798 10.4 10.4 100 0.0 10.4 307 12 289.5 291.0 286.6 313.6 8.54 6 925 843 10.4 10.4 100 0.0 10.4 300 12 289.9 291.5 286.8 314.2 8.59 7 892 1145 9.0 8.9 99 0.1 8.9 272 12 291.5 293.0 286.9 314.4 8.04 8 858 1467 7.4 7.4 100 0.0 7.4 242 12 293.1 294.5 287.0 314.8 7.55 9 850 1544 7.0 6.6 97 0.4 6.8 235 12 293.5 294.8 286.8 314.2 7.21 10 781 2236 3.2 0.1 80 3.1 1.7 257 27 296.6 297.5 285.7 311.2 4.93 11 773 2319 2.6 -0.5 80 3.1 1.1 259 29 296.8 297.7 285.7 310.9 4.77 12 723 2858 -0.3 -1.9 89 1.6 -1.0 277 41 299.4 300.2 286.4 313.2 4.60 13 700 3116 -1.3 -3.5 85 2.2 -2.3 285 47 301.0 301.8 286.6 313.8 4.22 14 699 3127 -1.3 -3.5 85 2.2 -2.3 285 47 301.2 301.9 286.7 314.0 4.22 15 662 3559 -3.3 -4.6 91 1.3 -3.9 278 48 303.6 304.4 287.5 316.2 4.11 16 619 4087 -6.3 -7.5 91 1.2 -6.8 269 50 306.1 306.7 287.8 317.0 3.51 17 585 4527 -8.3 -9.7 90 1.4 -8.8 261 52 308.7 309.3 288.3 318.6 3.13 18 509 5595 -14.5 -16.4 85 1.9 -15.1 242 56 313.8 314.2 288.9 320.6 2.09 19 500 5730 -15.3 -17.3 85 2.0 -15.9 240 56 314.4 314.8 289.0 320.9 1.97 20 481 6022 -17.5 -19.6 84 2.1 -18.1 243 58 315.2 315.5 289.0 320.8 1.68 21 467 6243 -18.9 -20.8 85 1.9 -19.4 246 59 316.1 316.4 289.2 321.3 1.56 22 441 6667 -21.7 -24.1 81 2.4 -22.2 251 62 317.8 318.0 289.3 322.0 1.24 23 432 6819 -22.5 -24.6 83 2.1 -22.9 253 63 318.7 318.9 289.6 322.8 1.21 24 400 7380 -26.9 -29.8 76 2.9 -27.4 260 66 320.0 320.2 289.6 322.9 0.81 25 397 7434 -27.3 -30.3 76 3.0 -27.8 260 67 320.2 320.3 289.6 322.9 0.78 26 348 8371 -33.3 -36.6 72 3.3 -33.7 265 82 324.4 324.5 290.6 326.1 0.48 27 333 8679 -35.5 -39.0 70 3.5 -35.9 266 88 325.5 325.6 290.8 326.9 0.39 28 316 9042 -37.3 -40.9 69 3.6 -37.7 268 94 327.9 328.0 291.5 329.2 0.34 29 303 9332 -38.7 -42.1 70 3.4 -39.0 270 99 329.9 329.9 292.0 331.1 0.31 30 300 9400 -39.3 -42.8 69 3.5 -39.6 270 100 330.0 330.0 292.0 331.1 0.29 31 297 9469 -39.9 -43.5 68 3.6 -40.2 270 101 330.1 330.1 292.0 331.1 0.27 32 281 9844 -42.5 -45.9 69 3.4 -42.8 270 106 331.6 331.7 292.4 332.5 0.22 33 269 10136 -45.1 -48.8 66 3.7 -45.3 270 110 332.0 332.0 292.4 332.6 0.17 34 250 10620 -48.9 -52.4 67 3.5 -49.0 270 116 333.4 333.4 292.7 333.8 0.12 35 249 10646 -49.3 -52.8 67 3.5 -49.4 270 116 333.2 333.2 292.7 333.6 0.11 36 240 10887 -51.1 -54.6 66 3.5 -51.2 273 117 334.0 334.0 292.9 334.4 0.10 37 222 11390 -55.1 -58.8 63 3.7 -55.2 278 118 335.4 335.4 293.2 335.6 0.06 38 205 11895 -59.1 -62.8 62 3.7 -59.2 283 120 336.8 336.8 293.6 337.0 0.04 39 200 12050 -60.1 -63.7 63 3.6 -60.2 285 120 337.6 337.6 293.7 337.7 0.04 40 189 12401 -62.3 -66.3 59 4.0 -62.4 285 128 339.5 339.5 294.2 339.6 0.03 41 179 12734 -64.5 -68.8 55 4.3 -64.6 283 121 341.3 341.3 294.7 341.4 0.02 42 170 13048 -65.9 -70.0 56 4.1 -66.0 281 114 344.0 344.0 295.3 344.1 0.02 43 167 13155 -66.5 -70.9 54 4.4 -66.5 280 112 344.8 344.8 295.5 344.8 0.02 44 165 13228 -66.5 -71.4 50 4.9 -66.5 279 110 346.0 346.0 295.7 346.0 0.02 45 151 13769 -62.7 -69.7 38 7.0 -62.8 271 93 361.4 361.4 299.0 361.5 0.02 46 150 13810 -62.7 -69.7 38 7.0 -62.8 270 92 362.1 362.1 299.1 362.2 0.02 47 144 14061 -63.1 -71.1 33 8.0 -63.2 268 90 365.6 365.6 299.8 365.7 0.02 48 138 14323 -62.9 -70.9 33 8.0 -63.0 267 89 370.5 370.5 300.7 370.5 0.02 49 100 16270 -70.1 -83.1 13 13.0 -70.2 255 77 392.3 392.3 304.1 392.3 0.00 50 88 17024 -72.5 -87.5 9 15.0 -72.6 265 80 402.1 402.1 305.5 402.1 0.00 51 85 17227 -72.7 -87.7 9 15.0 -72.8 268 80 405.7 405.7 306.0 405.7 0.00 52 73 18129 -68.1 -87.1 5 19.0 -68.2 265 60 433.5 433.5 309.2 433.5 0.00 53 71 18295 -67.9 -86.9 5 19.0 -68.1 266 60 437.3 437.3 309.6 437.4 0.00 54 70 18380 -68.7 -87.7 5 19.0 -68.8 275 52 437.4 437.4 309.6 437.4 0.00 55 69 18466 -68.9 -88.9 4 20.0 -69.0 278 50 438.8 438.8 309.7 438.8 0.00 56 58 19514 -64.7 -88.7 2 24.0 -65.0 260 23 470.6 470.6 312.7 470.6 0.00 57 56 19728 -64.3 -88.3 2 24.0 -64.6 256 26 476.3 476.3 313.1 476.3 0.00 58 55 19838 -64.1 -89.1 2 25.0 -64.4 255 27 479.2 479.2 313.4 479.2 0.00 59 50 20420 -64.9 -90.9 2 26.0 -65.2 265 38 490.5 490.5 314.2 490.6 0.00 60 46 20930 -64.1 -92.1 1 28.0 -64.5 277 33 504.3 504.3 315.2 504.3 0.00 61 44 21202 -64.5 -92.5 1 28.0 -64.9 285 29 509.8 509.8 315.7 509.8 0.00 62 42 21487 -63.5 -92.5 1 29.0 -64.0 276 24 519.1 519.1 316.2 519.1 0.00 63 41 21636 -63.1 -92.1 1 29.0 -63.6 268 23 523.7 523.7 316.5 523.7 0.00 64 40 21787 -63.9 -92.9 1 29.0 -64.3 259 22 525.4 525.4 316.6 525.4 0.00 65 37 22265 -64.5 -93.5 1 29.0 -65.0 250 24 535.7 535.7 317.3 535.7 0.00 66 34 22785 -62.3 -92.3 1 30.0 -62.9 264 26 554.6 554.6 318.3 554.6 0.00 67 33 22969 -61.5 -91.5 1 30.0 -62.2 274 27 561.5 561.5 318.7 561.5 0.00 68 30 23560 -61.9 -91.9 1 30.0 -62.6 260 22 575.9 575.9 319.5 575.9 0.00 69 28 23988 -60.7 -90.7 1 30.0 -61.6 267 24 590.7 590.7 320.2 590.7 0.00 70 27 24214 -61.1 -91.1 1 30.0 -62.0 271 26 595.8 595.8 320.4 595.8 0.00 71 26 24449 -60.9 -90.9 1 30.0 -61.9 275 27 602.8 602.8 320.7 602.8 0.00 72 24 24946 -61.5 -91.5 1 30.0 -62.4 294 25 615.0 615.0 321.3 615.0 0.00 73 23 25209 -61.7 -91.7 1 30.0 -62.7 293 25 621.9 621.9 321.6 622.0 0.00 74 23 25209 -61.5 -84.5 3 23.0 -62.4 293 25 622.5 622.5 321.6 622.6 0.01 TRP 167 13155 -66.5 -70.9 54 4.4 -66.5 280 112 344.8 344.8 295.5 344.8 0.02 WND 189 12401 -62.3 -66.3 59 4.0 -62.4 285 128 339.5 339.5 294.2 339.6 0.03 Sounding variables and indices 1000-500 mb thick: 5530.00 m Freezing level: 728.17 mb = 2801.85 m = 9192.31 ft Wetbulb zero: 746.87 mb = 2596.01 m = 8517.00 ft Precipitable water: 1.08 inches Sfc-500 mean rel hum: 90.08 % Est. max temperature: 20.13 C = 68.23 F Sfc-Lift cond lev (LCL): 985.96 mb = 318.84 m = 1046.05 ft T: 6.85 C 700-500 lapse rate: 5.36 C/km ThetaE index: 3.84 C Layer 850.0- 723.0 mb Conv cond level (CCL): 995.00 mb = 244.00 m = 800.52 ft Mean mixing ratio: 7.17 g/kg Conv temperature: 8.84 C = 47.91 F Cap Strength: 9.21 C Lifted Index: 9.47 C Risk: None Lifted Index @300 mb: 16.99 C Lifted Index @700 mb: 4.72 C Showalter Index: 4.43 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 21.90 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 159.20 Risk: None Energy Index: 1.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.30 J/kg Max Up Vert Vel: 10.42 m/s Conv Inhibition (B-): 34786.85 J/kg Cap Strength: 9.18 C Lift Cond Lev (LCL): 939.93 mb = 710.86 m = 2332.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 28 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 ---------------------------------------------------------- 0 995 244 0 0 -0.0 -0.0 | 112 28 -26.1 10.7 1 988 305 90 3 -3.0 0.0 | 110 31 -29.1 10.7 2 952 610 335 10 4.2 -9.1 | 94 22 -21.9 1.6 3 925 843 300 12 10.4 -6.0 | 107 16 -15.7 4.7 4 850 1544 235 12 9.8 6.9 | 137 24 -16.3 17.6 5 700 3116 285 47 45.4 -12.2 | 274 19 19.3 -1.5 6 500 5730 240 56 48.5 28.0 | 210 45 22.4 38.7 7 400 7380 260 66 65.0 11.5 | 240 45 38.9 22.2 8 300 9400 270 100 100.0 -0.0 | 262 75 73.9 10.7 9 250 10620 270 116 116.0 -0.0 | 263 90 89.9 10.7 10 200 12050 285 120 115.9 -31.1 | 283 92 89.8 -20.4 11 189 12401 285 128 123.6 -33.1 | 283 100 97.5 -22.4 12 167 13155 280 112 110.3 -19.4 | 276 85 84.2 -8.8 13 150 13810 270 92 92.0 -0.0 | 261 67 65.9 10.7 14 100 16270 255 77 74.4 19.9 | 238 57 48.2 30.6 15 83 17374 270 81 81.0 -0.0 | 259 56 54.9 10.7 16 75 17983 265 59 58.8 5.1 | 244 36 32.6 15.8 17 71 18288 265 61 60.8 5.3 | 245 38 34.6 16.0 18 70 18380 275 52 51.8 -4.5 | 256 26 25.7 6.2 19 64 18898 295 40 36.3 -16.9 | 302 12 10.1 -6.2 20 58 19507 260 23 22.7 4.0 | 167 15 -3.5 14.7 21 53 20117 250 30 28.2 10.3 | 186 21 2.0 21.0 22 50 20420 265 38 37.9 3.3 | 220 18 11.7 14.0 23 50 20422 235 27 22.1 15.5 | 171 26 -4.0 26.2 24 45 21031 285 34 32.8 -8.8 | 254 7 6.7 1.9 25 43 21336 285 25 24.1 -6.5 | 155 5 -2.0 4.2 26 39 21946 250 21 19.7 7.2 | 160 19 -6.4 17.9 27 35 22555 250 26 24.4 8.9 | 175 20 -1.7 19.6 28 32 23165 285 27 26.1 -7.0 | 179 4 -0.1 3.7 29 30 23470 275 24 23.9 -2.1 | 165 9 -2.2 8.6 30 30 23560 260 22 21.7 3.8 | 163 15 -4.5 14.5 31 26 24079 275 27 26.9 -2.4 | 185 8 0.8 8.3 32 24 24384 295 25 22.7 -10.6 | 92 3 -3.5 0.1 33 19 25298 285 25 24.1 -6.5 | 155 5 -2.0 4.2 Wind Parameters Mean winds (0-6000m): 262.3 at 37.7 knts Storm direction: 292.3 at 28.2 knts Shear (0-3000m) pos: 6.3 neg: 2.8 tot: 9.1 10-3/s Storm rel Dir Shear (0-3000m): 157.2 deg Storm rel helicity (0-3000m) pos: 253.9 neg: -78.0 tot: 175.9 m^2/s^2 ave: 58.6 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 14.3 stream: 7.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.30 Bulk Shear: 179.53 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 ------------------------------------------------------------------------------- 500 340 7 100 24| 0.0 11.5 11.5| 7.2 -71.1 -63.9 -127.7 -0.36| 21.7 -7.9 1000 303 9 107 19| 0.0 6.2 6.2| 49.6 -71.1 -21.4 -21.4 0.06| 16.5 0.9 1500 277 11 121 18| 0.0 5.6 5.6| 88.5 -71.1 17.4 11.6 0.20| 14.6 2.9 2000 266 13 132 17| 3.2 4.2 7.5|147.5 -71.1 76.5 38.2 0.36| 14.2 5.2 2500 270 17 141 14| 5.4 3.4 8.8|205.2 -71.1 134.2 53.7 0.49| 14.4 7.1 3000 278 22 149 9| 6.3 2.8 9.1|253.9 -78.0 175.9 58.6 0.53| 14.3 7.5 4000 276 28 196 8| 4.7 3.8 8.5|253.9-157.7 96.1 24.0 0.32| 12.6 4.0 5000 269 34 214 13| 3.8 4.4 8.2|253.9-267.0 -13.1 -2.6 0.17| 11.8 2.0 6000 262 38 215 19| 3.7 4.2 8.0|334.0-332.9 1.0 0.2 0.15| 11.1 1.7 Wrote GIF file: /home/apache/climate/data/raob//KFFC/skewt/KFFC.skewt.20251201.00.gif