UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121111.upa.cvt Date: 1100Z 11 DEC 25 Searching for FACT... Searching the city database file for: FACT ... Date:1100Z 11 DEC 25 Station: FACT WMO ident: 68816 Latitude: -33.98 Longitude: 18.60 Elevation: 42.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1001 42 27.4 11.4 37 16.0 17.3 305 14 300.5 302.0 290.4 325.5 8.48 1 1000 64 26.8 10.8 37 16.0 16.8 310 13 300.0 301.4 290.0 324.0 8.15 2 982 223 23.8 10.8 44 13.0 15.7 303 15 298.5 300.0 289.6 322.8 8.30 3 975 285 23.6 9.6 41 14.0 15.1 301 16 298.9 300.3 289.2 321.6 7.71 4 970 330 26.8 -5.2 12 32.0 11.2 301 16 302.6 303.1 285.7 310.9 2.67 5 958 440 27.6 307 14 304.5 6 937 635 26.6 -9.4 9 36.0 10.0 317 11 305.4 305.8 285.9 311.7 2.00 7 925 748 25.6 -9.4 9 35.0 9.6 325 13 305.5 305.9 286.0 311.9 2.02 8 918 814 25.2 -8.8 10 34.0 9.5 329 13 305.7 306.1 286.2 312.5 2.14 9 892 1065 24.0 -18.0 5 42.0 7.4 334 13 307.0 307.2 285.5 310.5 1.04 10 850 1482 20.4 -15.6 8 36.0 5.8 330 15 307.5 307.8 286.0 311.9 1.33 11 785 2161 16.0 -9.0 17 25.0 4.6 321 32 309.9 310.3 288.0 317.8 2.46 12 772 2303 14.6 -2.4 31 17.0 5.9 325 31 309.9 310.6 289.6 322.9 4.15 13 766 2368 13.8 0.8 41 13.0 6.8 327 31 309.7 310.7 290.6 326.1 5.30 14 761 2423 13.6 -3.4 31 17.0 5.1 329 31 310.0 310.8 289.5 322.3 3.91 15 751 2535 13.0 -12.0 16 25.0 2.4 327 31 310.6 311.0 287.8 317.1 2.03 16 740 2658 12.4 -25.6 5 38.0 0.2 324 32 311.2 311.4 286.5 313.4 0.64 17 700 3122 10.8 -29.2 4 40.0 -1.2 310 34 314.4 314.5 287.5 316.2 0.49 18 696 3170 10.6 -27.4 5 38.0 -1.2 310 34 314.7 314.8 287.7 316.8 0.58 19 687 3277 9.6 -26.4 6 36.0 -1.7 310 34 314.8 314.9 287.8 317.0 0.64 20 658 3632 7.6 -29.4 5 37.0 -3.2 310 34 316.5 316.5 288.2 318.3 0.51 21 641 3847 7.0 -16.0 18 23.0 -2.0 310 34 318.1 318.5 289.9 323.9 1.71 22 605 4316 2.4 -16.6 23 19.0 -4.7 305 33 318.1 318.5 289.9 323.9 1.72 23 573 4751 -1.9 -17.9 28 16.0 -7.5 303 33 318.1 318.4 289.9 323.6 1.63 24 543 5175 -3.9 -31.9 9 28.0 -10.8 310 34 320.6 320.7 289.5 322.4 0.49 25 500 5820 -7.9 -35.9 9 28.0 -13.9 305 37 323.4 323.5 290.2 324.7 0.36 26 411 7309 -19.9 -36.9 21 17.0 -22.8 308 47 326.6 326.7 291.2 328.0 0.39 27 400 7510 -21.7 -39.7 18 18.0 -24.4 310 49 326.8 326.8 291.1 327.9 0.30 28 385 7790 -23.9 -38.9 24 15.0 -26.1 306 49 327.5 327.6 291.4 328.8 0.34 29 376 7963 -24.7 -34.7 39 10.0 -26.3 304 49 328.7 328.8 291.9 330.6 0.53 30 372 8041 -24.5 -27.5 76 3.0 -25.2 303 49 329.9 330.1 292.7 333.8 1.08 31 363 8219 -25.5 -29.0 72 3.5 -26.2 300 49 330.9 331.1 292.9 334.4 0.96 32 360 8279 -26.1 -31.1 63 5.0 -27.1 300 49 330.9 331.0 292.7 333.8 0.79 33 341 8669 -29.3 -32.2 76 2.9 -29.8 303 46 331.7 331.9 292.9 334.5 0.75 34 300 9570 -36.9 -39.5 77 2.6 -37.2 300 48 333.4 333.4 293.0 334.9 0.41 35 291 9780 -38.7 -42.8 65 4.1 -39.1 298 51 333.7 333.8 293.0 334.9 0.30 36 287 9874 -39.5 -46.5 47 7.0 -40.0 298 52 333.9 333.9 293.0 334.7 0.20 37 284 9946 -40.1 -51.1 30 11.0 -40.8 297 53 334.0 334.1 292.9 334.5 0.12 38 278 10091 -41.5 -48.5 47 7.0 -41.9 296 54 334.1 334.1 293.0 334.7 0.17 39 269 10313 -43.7 -48.7 58 5.0 -44.0 294 57 334.0 334.1 293.0 334.7 0.17 40 254 10695 -47.3 -51.0 66 3.7 -47.5 291 62 334.2 334.3 293.0 334.8 0.14 41 250 10800 -48.1 -51.5 68 3.4 -48.3 290 63 334.6 334.6 293.1 335.1 0.13 42 232 11287 -52.1 -55.6 66 3.5 -52.2 290 68 335.7 335.7 293.3 336.1 0.09 43 227 11427 -53.1 -58.1 54 5.0 -53.2 290 69 336.3 336.3 293.4 336.5 0.07 44 202 12168 -58.5 -63.5 52 5.0 -58.6 290 76 339.2 339.2 294.1 339.3 0.04 45 200 12230 -59.1 -64.1 52 5.0 -59.2 290 77 339.2 339.2 294.1 339.3 0.03 46 191 12517 -61.1 -67.1 45 6.0 -61.2 340.5 340.5 294.4 340.6 0.02 47 186 12682 -60.5 -68.5 34 8.0 -60.6 344.0 344.0 295.3 344.1 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5756.00 m Freezing level: 587.14 mb = 4558.68 m = 14956.12 ft Wetbulb zero: 734.44 mb = 2721.14 m = 8927.53 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 14.38 % Est. max temperature: 34.44 C = 94.00 F Sfc-Lift cond lev (LCL): 791.88 mb = 2086.93 m = 6846.79 ft T: 16.48 C 700-500 lapse rate: 6.93 C/km ThetaE index: 14.63 C Layer 1000.0- 958.0 mb Conv cond level (CCL): 485.14 mb = 6049.28 m = 19846.47 ft Mean mixing ratio: 3.77 g/kg Conv temperature: 50.89 C = 123.59 F Cap Strength: 12.95 C Lifted Index: 11.36 C Risk: None Lifted Index @300 mb: 13.35 C Lifted Index @700 mb: 9.94 C Showalter Index: 13.03 C Risk: None Total Totals Index: 20.60 C Risk: None Vertical Totals Index: 28.30 C Cross Totals Index: -7.70 C K Index: -27.30 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.84 J/kg Max Up Vert Vel: 8.70 m/s Conv Inhibition (B-): 5132.68 J/kg Cap Strength: 12.96 C Lift Cond Lev (LCL): 638.89 mb = 3873.70 m = 12708.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 at 21 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 1001 42 305 14 11.5 -8.0 | 203 13 5.1 12.1 1 1000 64 310 13 10.0 -8.4 | 197 12 3.6 11.8 2 973 305 300 16 13.9 -8.0 | 212 14 7.5 12.1 3 940 610 315 11 7.8 -7.8 | 186 12 1.4 12.4 4 925 748 325 13 7.5 -10.6 | 186 10 1.1 9.5 5 907 914 335 12 5.1 -10.9 | 172 9 -1.3 9.3 6 850 1482 330 15 7.5 -13.0 | 189 7 1.1 7.1 7 787 2134 320 32 20.6 -24.5 | 287 15 14.2 -4.4 8 759 2438 330 31 15.5 -26.8 | 306 11 9.1 -6.7 9 700 3122 310 34 26.0 -21.9 | 275 20 19.6 -1.7 10 630 3962 310 34 26.0 -21.9 | 275 20 19.6 -1.7 11 584 4572 300 33 28.6 -16.5 | 261 22 22.2 3.6 12 541 5182 310 34 26.0 -21.9 | 275 20 19.6 -1.7 13 500 5820 305 37 30.3 -21.2 | 273 24 23.9 -1.1 14 463 6401 300 45 39.0 -22.5 | 274 33 32.6 -2.4 15 427 7010 305 43 35.2 -24.7 | 279 29 28.8 -4.5 16 400 7510 310 49 37.5 -31.5 | 290 33 31.1 -11.4 17 362 8230 300 49 42.4 -24.5 | 277 36 36.0 -4.4 18 332 8839 305 45 36.9 -25.8 | 281 31 30.5 -5.7 19 300 9570 300 48 41.6 -24.0 | 276 35 35.2 -3.9 20 250 10800 290 63 59.2 -21.5 | 272 53 52.8 -1.4 21 200 12230 290 77 72.4 -26.3 | 275 66 66.0 -6.2 Wind Parameters Mean winds (0-6000m): 312.4 at 28.2 knts Storm direction: 342.4 at 21.1 knts Shear (0-3000m) pos: 1.7 neg: 3.8 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 75.1 deg Storm rel helicity (0-3000m) pos: 48.6 neg: -50.9 tot: -2.3 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.43 Bulk Shear: 26.50 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 ------------------------------------------------------------------------------- 500 305 14 204 13| 2.5 0.0 2.5| 5.5 -13.2 -7.7 -15.4 -0.36| 6.6 -2.4 1000 315 13 195 11| 3.5 0.0 3.5| 6.4 -22.8 -16.5 -16.5 -0.43| 6.6 -2.8 1500 321 14 193 10| 2.3 1.4 3.7| 12.7 -22.8 -10.2 -6.8 -0.13| 5.8 -0.8 2000 322 16 205 8| 1.7 4.5 6.2| 31.3 -22.8 8.5 4.2 0.26| 7.8 2.0 2500 323 19 226 7| 2.0 3.6 5.6| 48.6 -26.8 21.9 8.7 0.29| 8.2 2.4 3000 322 21 244 8| 1.7 3.8 5.5| 48.6 -50.9 -2.3 -0.8 0.12| 8.3 1.0 4000 318 25 259 10| 1.3 3.0 4.2| 48.6 -59.4 -10.7 -2.7 0.08| 6.5 0.5 5000 314 27 262 13| 1.4 2.5 3.9| 69.9 -83.4 -13.6 -2.7 0.06| 6.1 0.4 6000 312 28 265 14| 1.2 2.7 3.9| 78.9 -88.1 -9.2 -1.5 0.06| 5.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//FACT/skewt/FACT.skewt.20251211.11.gif