UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042923.upa.cvt Date: 2300Z 29 APR 25 Searching for FACT... Searching the city database file for: FACT ... Date:2300Z 29 APR 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 1011 42 15.4 12.4 82 3.0 13.6 145 11 287.6 289.2 286.3 312.7 8.98 1 1010 51 15.4 12.4 82 3.0 13.6 147 12 287.7 289.3 286.4 312.8 8.98 2 1005 98 15.6 9.6 67 6.0 12.1 156 17 288.3 289.7 285.1 309.4 7.48 3 1000 144 15.2 9.2 67 6.0 11.8 165 22 288.4 289.6 284.9 309.0 7.31 4 992 212 15.2 9.2 67 6.0 11.7 165 22 289.0 290.3 285.2 309.8 7.37 5 955 534 13.6 7.6 67 6.0 10.2 169 22 290.6 291.8 285.4 310.1 6.87 6 925 802 11.2 6.2 71 5.0 8.5 175 22 290.8 291.9 285.0 309.1 6.43 7 899 1039 9.4 5.1 74 4.3 7.1 170 21 291.3 292.4 284.9 308.9 6.13 8 876 1253 8.0 5.5 84 2.5 6.6 170 19 292.0 293.2 285.5 310.6 6.47 9 864 1367 7.4 6.6 95 0.8 6.9 170 18 292.5 293.8 286.4 312.9 7.09 10 850 1501 6.6 6.5 99 0.1 6.5 170 17 293.1 294.3 286.6 313.6 7.16 11 821 1785 5.4 5.4 100 0.0 5.4 239 13 294.7 295.9 286.9 314.6 6.86 12 805 1947 6.2 4.7 90 1.5 5.4 279 11 297.2 298.4 287.7 316.8 6.66 13 800 1998 7.2 2.9 74 4.3 4.9 291 11 298.8 299.9 287.5 316.3 5.90 14 794 2060 7.6 -8.4 31 16.0 0.9 306 10 299.9 300.4 284.5 307.7 2.55 15 778 2227 6.8 -15.2 19 22.0 -1.1 312 11 300.8 301.1 283.6 305.6 1.51 16 764 2376 5.4 -9.6 33 15.0 -0.6 290 14 300.8 301.3 284.7 308.3 2.41 17 759 2430 4.8 -5.2 48 10.0 0.4 282 16 300.8 301.4 285.7 311.2 3.42 18 748 2549 4.4 -2.6 60 7.0 1.1 282 18 301.6 302.4 286.9 314.4 4.22 19 738 2658 3.6 -2.4 65 6.0 0.8 283 20 301.9 302.7 287.1 315.0 4.34 20 702 3062 0.6 -4.0 71 4.6 -1.5 290 28 302.9 303.6 287.2 315.3 4.05 21 700 3085 0.2 -3.9 74 4.1 -1.7 290 28 302.7 303.5 287.2 315.2 4.09 22 693 3165 -0.3 -3.0 82 2.7 -1.6 291 29 303.0 303.8 287.6 316.5 4.42 23 689 3212 -0.7 -1.5 94 0.8 -1.1 291 29 303.1 304.0 288.1 318.2 4.98 24 680 3316 -1.7 -3.2 89 1.5 -2.4 293 31 303.1 303.9 287.6 316.6 4.44 25 675 3375 -1.9 -4.6 82 2.7 -3.1 293 31 303.5 304.3 287.3 315.8 4.03 26 671 3422 -1.5 -8.5 59 7.0 -4.4 294 32 304.5 305.0 286.6 313.8 3.00 27 666 3482 -1.1 -14.1 37 13.0 -5.7 294 32 305.6 305.9 285.9 311.7 1.93 28 662 3530 -1.1 -18.1 26 17.0 -6.6 295 33 306.1 306.4 285.5 310.6 1.39 29 658 3578 -1.5 -14.5 36 13.0 -6.1 295 33 306.2 306.5 286.1 312.2 1.89 30 654 3626 -1.7 -15.7 33 14.0 -6.5 296 34 306.5 306.8 286.1 312.0 1.72 31 650 3675 -2.3 -16.3 33 14.0 -7.0 297 35 306.4 306.7 285.9 311.7 1.65 32 637 3835 -3.3 -22.3 21 19.0 -8.7 298 36 307.0 307.2 285.4 310.3 1.00 33 612 4150 -4.9 -22.9 23 18.0 -9.9 297 39 308.7 308.9 286.0 312.0 0.99 34 591 4423 -7.1 -20.1 35 13.0 -10.9 293 41 309.2 309.5 286.6 313.6 1.31 35 566 4758 -10.3 -19.3 48 9.0 -12.9 293 43 309.3 309.6 286.8 314.1 1.47 36 561 4826 -10.9 -19.9 47 9.0 -13.5 294 44 309.4 309.7 286.8 314.0 1.40 37 537 5160 -13.1 -21.1 51 8.0 -15.3 299 46 310.7 310.9 287.1 315.0 1.32 38 525 5332 -14.5 -19.5 66 5.0 -15.9 304 49 311.0 311.3 287.5 316.1 1.55 39 507 5595 -15.7 -25.7 42 10.0 -18.0 312 55 312.7 312.8 287.3 315.8 0.93 40 500 5700 -16.7 -25.7 46 9.0 -18.7 315 57 312.7 312.9 287.4 315.9 0.94 41 492 5821 -16.9 -33.9 21 17.0 -19.9 314 58 313.9 314.0 287.2 315.4 0.44 42 486 5913 -17.3 -40.3 12 23.0 -20.7 314 58 314.5 314.5 287.2 315.3 0.23 43 468 6194 -18.9 -43.9 9 25.0 -22.1 312 59 315.9 315.9 287.6 316.5 0.17 44 417 7040 -26.1 -45.1 15 19.0 -28.0 321 71 317.3 317.3 288.1 317.9 0.16 45 400 7340 -27.1 -46.1 15 19.0 -29.0 330 79 319.8 319.8 288.8 320.3 0.15 46 380 7709 -28.5 -50.5 10 22.0 -30.3 326 82 322.6 322.7 289.7 323.0 0.10 47 300 9360 -40.9 -58.9 13 18.0 -41.6 330 96 327.7 327.7 291.1 327.9 0.05 48 293 9520 -42.5 -59.5 14 17.0 -43.2 329 97 327.7 327.7 291.1 327.8 0.04 49 282 9778 -43.9 -54.9 29 11.0 -44.4 328 100 329.3 329.3 291.6 329.6 0.08 50 268 10119 -45.3 -56.3 28 11.0 -45.7 327 103 332.0 332.1 292.3 332.3 0.07 51 263 10245 -45.9 -53.9 40 8.0 -46.3 326 104 333.0 333.0 292.6 333.3 0.10 52 250 10580 -49.1 -54.1 56 5.0 -49.3 325 107 333.1 333.1 292.6 333.5 0.10 53 244 10738 -50.5 -57.1 45 6.6 -50.7 320 109 333.3 333.3 292.7 333.6 0.07 54 239 10872 -51.7 -59.7 38 8.0 -51.9 319 107 333.5 333.5 292.7 333.7 0.05 55 222 11346 -55.1 -66.1 24 11.0 -55.3 315 100 335.4 335.4 293.2 335.4 0.02 56 220 11403 -55.5 -67.5 21 12.0 -55.7 315 99 335.6 335.6 293.2 335.7 0.02 57 200 12010 -54.7 -70.7 12 16.0 -54.9 300 74 346.1 346.1 295.8 346.2 0.01 58 199 12042 -54.7 -70.7 12 16.0 -54.9 300 74 346.6 346.6 295.9 346.7 0.01 59 150 13840 -58.9 -76.9 8 18.0 -59.1 310 76 368.6 368.6 300.3 368.6 0.01 60 100 16360 -65.7 -82.7 8 17.0 -65.8 300 46 400.8 400.8 305.3 400.8 0.00 61 84 17417 -62.5 -81.5 6 19.0 -62.7 293 40 427.8 427.8 308.6 427.8 0.01 62 70 18530 -63.3 -82.3 6 19.0 -63.6 285 33 449.0 449.0 310.8 449.0 0.01 63 65 18986 -63.5 -82.5 6 19.0 -63.8 284 30 458.1 458.1 311.6 458.2 0.01 64 55 20024 -58.9 -79.9 5 21.0 -59.5 281 23 491.1 491.1 314.3 491.2 0.01 65 52 20375 -60.9 -80.9 5 20.0 -61.4 281 21 494.4 494.4 314.5 494.5 0.01 66 50 20620 -59.5 -80.5 5 21.0 -60.1 280 19 503.3 503.3 315.2 503.3 0.01 67 43 21567 -58.5 -80.5 4 22.0 -59.3 271 16 527.9 527.9 316.8 528.0 0.01 68 39 22180 -59.5 -81.5 4 22.0 -60.2 265 14 540.3 540.3 317.5 540.4 0.01 69 30 23850 -52.5 -77.5 3 25.0 -54.5 250 9 601.5 601.5 320.7 601.8 0.03 70 27 24532 -51.9 -76.9 3 25.0 -54.2 621.6 621.6 321.6 621.9 0.04 TRP 220 11403 -55.5 -67.5 21 12.0 -55.7 315 99 335.6 335.6 293.2 335.7 0.02 WND 244 10738 -50.5 -57.1 45 6.6 -50.7 320 109 333.3 333.3 292.7 333.6 0.07 Sounding variables and indices 1000-500 mb thick: 5556.00 m Freezing level: 697.20 mb = 3117.14 m = 10226.70 ft Wetbulb zero: 786.66 mb = 2136.21 m = 7008.48 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 58.35 % Est. max temperature: 20.41 C = 68.74 F Sfc-Lift cond lev (LCL): 966.71 mb = 430.68 m = 1412.99 ft T: 14.11 C 700-500 lapse rate: 6.46 C/km ThetaE index: 11.20 C Layer 800.0- 764.0 mb Conv cond level (CCL): 829.16 mb = 1704.44 m = 5591.92 ft Mean mixing ratio: 6.96 g/kg Conv temperature: 22.02 C = 71.63 F Cap Strength: 6.27 C Lifted Index: 5.78 C Risk: None Lifted Index @300 mb: 12.99 C Lifted Index @700 mb: 4.46 C Showalter Index: 3.38 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 23.20 C K Index: 25.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 169.00 Risk: None Energy Index: 0.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.20 J/kg Max Up Vert Vel: 4.73 m/s Conv Inhibition (B-): 34090.37 J/kg Cap Strength: 6.21 C Lift Cond Lev (LCL): 882.90 mb = 1188.33 m = 3898.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 23 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 1011 42 145 11 -6.3 9.0 | 141 34 -21.7 26.4 1 1000 144 165 22 -5.7 21.3 | 151 44 -21.1 38.6 2 981 305 165 23 -6.0 22.2 | 152 45 -21.4 39.6 3 946 610 170 22 -3.8 21.7 | 154 44 -19.2 39.0 4 925 802 175 22 -1.9 21.9 | 156 43 -17.3 39.3 5 913 914 170 22 -3.8 21.7 | 154 44 -19.2 39.0 6 850 1501 170 17 -3.0 16.7 | 152 39 -18.4 34.1 7 787 2134 325 9 5.2 -7.4 | 134 14 -10.2 10.0 8 758 2438 280 16 15.8 -2.8 | 181 15 0.4 14.6 9 700 3085 290 28 26.3 -9.6 | 234 13 10.9 7.8 10 625 3962 300 38 32.9 -19.0 | 275 18 17.5 -1.6 11 578 4572 290 42 39.5 -14.4 | 263 24 24.1 3.0 12 534 5182 300 46 39.8 -23.0 | 283 25 24.4 -5.6 13 500 5700 315 57 40.3 -40.3 | 313 34 24.9 -22.9 14 455 6401 310 60 46.0 -38.6 | 305 37 30.6 -21.2 15 418 7010 320 70 45.0 -53.6 | 321 47 29.6 -36.3 16 400 7340 330 79 39.5 -68.4 | 335 56 24.1 -51.1 17 352 8230 320 87 55.9 -66.6 | 321 64 40.5 -49.3 18 323 8839 325 95 54.5 -77.8 | 327 72 39.1 -60.5 19 300 9360 330 96 48.0 -83.1 | 334 73 32.6 -65.8 20 250 10580 325 107 61.4 -87.6 | 327 84 46.0 -70.3 21 244 10738 320 109 70.1 -83.5 | 320 86 54.7 -66.1 22 220 11403 315 99 70.0 -70.0 | 314 76 54.6 -52.6 23 200 12010 300 74 64.1 -37.0 | 292 52 48.7 -19.6 24 150 13840 310 76 58.2 -48.9 | 306 53 42.8 -31.5 25 100 16360 300 46 39.8 -23.0 | 283 25 24.4 -5.6 26 70 18530 285 33 31.9 -8.5 | 242 19 16.5 8.8 27 50 20620 280 19 18.7 -3.3 | 193 14 3.3 14.1 28 30 23850 250 9 8.5 3.1 | 161 22 -6.9 20.4 Wind Parameters Mean winds (0-6000m): 288.4 at 30.9 knts Storm direction: 318.4 at 23.2 knts Shear (0-3000m) pos: 5.2 neg: 1.6 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 90.3 deg Storm rel helicity (0-3000m) pos: 283.9 neg: -67.1 tot: 216.9 m^2/s^2 ave: 72.3 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 14.0 stream: 5.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 284.01 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 ------------------------------------------------------------------------------- 500 165 21 151 43| 13.3 0.0 13.3| 92.8 0.0 92.8 185.6 0.61| 15.1 9.2 1000 168 22 153 43| 6.1 0.0 6.1|111.3 -17.9 93.4 93.4 0.48| 9.6 4.6 1500 169 21 153 42| 3.4 0.0 3.4|135.6 -28.9 106.7 71.2 0.41| 8.6 3.5 2000 173 19 154 40| 5.3 0.0 5.3|209.2 -53.7 155.5 77.7 0.24| 13.9 3.4 2500 180 18 156 38| 4.3 1.9 6.2|250.3 -67.1 183.2 73.3 0.30| 14.7 4.5 3000 202 18 166 36| 5.2 1.6 6.8|283.9 -67.1 216.9 72.3 0.38| 14.0 5.4 4000 255 22 195 24| 5.5 1.2 6.7|328.4 -68.6 259.8 64.9 0.45| 12.2 5.4 5000 274 26 215 19| 4.9 1.6 6.5|369.5 -89.3 280.1 56.0 0.42| 11.1 4.6 6000 288 31 241 16| 5.5 1.3 6.9|496.3-108.5 387.8 64.6 0.46| 11.1 5.1 Wrote GIF file: /home/apache/climate/data/raob//FACT/skewt/FACT.skewt.20250429.23.gif