UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for FASB... Searching the city database file for: FASB ... Date:2300Z 18 APR 25 Station: FASB WMO ident: 68512 Latitude: -29.67 Longitude: 17.87 Elevation: 990.00 ------------------------------------------------------------------------------- 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 903 990 21.6 5.6 35 16.0 12.3 70 3 303.5 304.6 289.5 322.5 6.32 1 898 23.0 7.0 36 16.0 13.4 305.4 306.7 290.7 326.6 7.01 2 861 21.8 5.8 35 16.0 12.3 307.8 309.1 291.3 328.4 6.73 3 792 15.2 4.2 48 11.0 8.9 308.2 309.5 291.2 328.3 6.54 4 758 12.6 4.6 58 8.0 8.0 309.3 310.6 292.0 330.9 7.03 5 721 9.0 4.0 71 5.0 6.1 309.8 311.2 292.2 331.6 7.09 6 703 7.2 2.6 73 4.6 4.6 310.1 311.3 291.8 330.4 6.58 7 683 5.2 2.3 82 2.9 3.6 310.4 311.7 292.0 330.9 6.63 8 644 1.2 -2.0 79 3.2 -0.4 311.1 312.1 290.9 327.2 5.13 9 628 0.2 -4.8 69 5.0 -2.1 312.3 313.1 290.5 325.7 4.26 10 621 0.2 -8.8 51 9.0 -3.7 313.3 313.9 289.8 323.4 3.16 11 613 -0.3 -12.3 40 12.0 -5.0 313.8 314.3 289.3 321.7 2.43 12 572 -3.9 -18.9 30 15.0 -8.8 315.9 316.2 289.0 320.9 1.50 13 564 -4.5 -20.5 27 16.0 -9.5 316.5 316.7 289.0 321.0 1.33 14 515 -10.3 -29.3 19 19.0 -14.7 317.8 317.9 288.8 320.1 0.66 15 474 -13.1 -39.1 9 26.0 -17.7 321.9 322.0 289.6 323.0 0.27 16 458 -14.5 -44.5 6 30.0 -19.0 323.4 323.4 290.0 324.0 0.16 17 452 -15.5 -29.5 29 14.0 -18.6 323.3 323.5 290.6 326.0 0.73 18 445 -16.5 -26.5 42 10.0 -18.9 323.5 323.7 290.9 327.0 0.98 19 439 -17.5 -26.5 45 9.0 -19.6 323.5 323.7 290.9 327.0 1.00 20 430 -18.7 -24.7 59 6.0 -20.2 323.9 324.2 291.2 328.1 1.20 21 418 -20.1 -26.1 59 6.0 -21.5 324.8 325.0 291.3 328.6 1.09 22 394 -23.5 -31.5 48 8.0 -25.0 325.9 326.0 291.3 328.4 0.70 23 386 -24.5 -35.5 35 11.0 -26.2 326.5 326.6 291.2 328.2 0.48 24 377 -25.5 -40.5 23 15.0 -27.5 327.3 327.4 291.3 328.5 0.30 25 366 -27.1 -46.1 15 19.0 -29.1 328.0 328.0 291.3 328.6 0.17 26 354 -29.1 -47.1 16 18.0 -30.9 328.4 328.5 291.5 329.0 0.15 27 341 -31.3 -44.3 27 13.0 -32.6 329.0 329.0 291.7 329.8 0.22 28 335 -32.3 -41.3 40 9.0 -33.3 329.3 329.4 291.8 330.5 0.31 29 333 -32.9 -38.9 55 6.0 -33.6 329.0 329.1 291.9 330.5 0.40 30 322 -35.1 -40.1 60 5.0 -35.6 329.2 329.2 291.9 330.5 0.36 31 315 -36.7 -40.7 66 4.0 -37.1 329.0 329.1 291.8 330.3 0.35 32 302 -38.9 -43.5 62 4.6 -39.3 329.9 330.0 292.0 330.9 0.27 33 298 -39.7 -45.7 53 6.0 -40.1 330.0 330.1 291.9 330.9 0.21 34 286 -42.1 -49.1 46 7.0 -42.5 330.5 330.5 292.0 331.1 0.15 35 278 -43.7 -52.7 36 9.0 -44.2 330.9 330.9 292.1 331.3 0.10 36 276 -43.9 -57.9 20 14.0 -44.5 331.3 331.3 292.1 331.5 0.06 37 272 -44.7 -65.7 8 21.0 -45.3 331.5 331.5 292.2 331.6 0.02 38 258 -47.1 -65.1 11 18.0 -47.6 333.0 333.0 292.6 333.1 0.02 39 240 -49.9 -65.9 14 16.0 -50.3 335.8 335.8 293.3 335.9 0.02 40 188 -56.3 -76.3 6 20.0 -56.5 349.7 349.7 296.6 349.8 0.01 41 178 -55.9 -79.9 3 24.0 -56.2 355.9 355.9 297.9 355.9 0.00 42 144 -61.7 -83.7 4 22.0 -61.9 368.1 368.1 300.2 368.1 0.00 43 130 -62.1 -85.1 3 23.0 -62.3 378.3 378.3 302.0 378.3 0.00 44 120 -64.5 -86.5 3 22.0 -64.6 250 33 382.6 382.6 302.6 382.6 0.00 45 112 -66.7 -87.7 4 21.0 -66.8 273 27 386.1 386.1 303.2 386.1 0.00 46 109 -65.7 -86.7 4 21.0 -65.8 272 27 391.0 391.0 303.9 391.0 0.00 47 78 -67.9 -89.9 3 22.0 -68.0 291 32 425.7 425.7 308.4 425.7 0.00 48 71 -71.5 -89.5 5 18.0 -71.6 299 34 429.7 429.7 308.8 429.7 0.00 49 62 -66.3 -90.3 2 24.0 -66.5 340 25 458.2 458.2 311.6 458.2 0.00 50 59 -63.1 -93.1 1 30.0 -63.4 356 21 471.9 471.9 312.8 471.9 0.00 51 52 -64.9 -93.9 1 29.0 -65.2 37 11 485.1 485.1 313.8 485.1 0.00 52 45 -62.3 -92.3 1 30.0 -62.8 52 8 511.9 511.9 315.8 511.9 0.00 53 33 -53.7 -85.7 1 32.0 -55.4 58 7 582.2 582.2 319.8 582.2 0.01 54 26 -52.3 -85.3 1 33.0 -54.6 92 9 627.2 627.2 321.8 627.3 0.01 55 22 -51.5 -84.5 1 33.0 -54.4 129 11 660.3 660.3 323.1 660.4 0.01 56 16 -43.9 -78.9 1 35.0 -50.3 748.1 748.1 325.9 748.5 0.05 TRP 120 -64.5 -86.5 3 22.0 -64.6 250 33 382.6 382.6 302.6 382.6 0.00 WND Sounding variables and indices Freezing level: 617.80 mb = -9999.00 m = -9999.00 ft Wetbulb zero: 647.82 mb = -9999.00 m = -9999.00 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 47.47 % Est. max temperature: 27.34 C = 81.21 F Sfc-Lift cond lev (LCL): 711.79 mb = -9999.00 m = -9999.00 ft T: 8.08 C ThetaE index: 1.25 C Layer 703.0- 683.0 mb Conv cond level (CCL): 649.64 mb = -9999.00 m = -9999.00 ft Mean mixing ratio: 6.73 g/kg Conv temperature: 28.95 C = 84.10 F Cap Strength: 2.75 C Lifted Index: 0.99 C Risk: Showers probable Lifted Index @300 mb: 2.34 C Lifted Index @700 mb: 2.51 C Showalter Index: 0.69 C Risk: Thunderstorms probable Total Totals Index: 48.93 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 32.08 C Cross Totals Index: 16.85 C K Index: 33.29 Risk: 60-80 % chance of thunderstorms Sweat Index: 86.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 2.75 C Lift Cond Lev (LCL): 683.46 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): 678.46 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 120 15869 250 33 31.0 11.3 1 903 990 70 3 -2.8 -1.0 2 850 1536 360 6 -0.0 -6.0 3 792 2134 325 3 1.7 -2.5 4 764 2438 290 7 6.6 -2.4 5 700 3171 305 13 10.6 -7.5 6 634 3962 310 17 13.0 -10.9 7 587 4572 325 13 7.5 -10.6 8 543 5182 290 18 16.9 -6.2 9 500 5840 300 21 18.2 -10.5 10 464 6401 290 21 19.7 -7.2 11 428 7010 270 18 18.0 -0.0 12 400 7510 270 20 20.0 -0.0 13 362 8230 260 25 24.6 4.3 14 332 8839 250 26 24.4 8.9 15 300 9560 255 26 25.1 6.7 16 250 10780 250 31 29.1 10.6 17 200 12230 260 27 26.6 4.7 18 150 14050 280 29 28.6 -5.0 19 100 16530 270 26 26.0 -0.0 20 70 18660 300 34 29.4 -17.0 21 50 20700 50 8 -6.1 -5.1 22 30 23910 60 7 -6.1 -3.5 23 20 26540 150 12 -6.0 10.4 Wind Parameters Energy-Hel index: -0.00 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//FASB/skewt/FASB.skewt.20250418.23.gif