UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for SBFN... Searching the city database file for: SBFN ... Date:1200Z 26 APR 25 Station: SBFN WMO ident: 82400 Latitude: -3.85 Longitude: -32.42 Elevation: 56.00 ------------------------------------------------------------------------------- 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 1006 56 28.2 25.2 84 3.0 26.0 115 13 300.8 304.6 298.9 361.1 20.46 1 1000 110 26.8 24.8 89 2.0 25.3 115 13 300.0 303.6 298.5 358.9 20.08 2 998 128 26.2 24.5 90 1.7 25.0 115 13 299.5 303.1 298.2 357.4 19.75 3 925 795 21.6 21.6 100 0.0 21.6 110 18 301.4 304.7 297.5 353.9 17.83 4 910 937 20.8 20.8 100 0.0 20.8 95 14 302.0 305.2 297.3 352.9 17.24 5 850 1528 18.8 18.7 99 0.1 18.8 105 12 305.8 308.9 297.5 354.3 16.17 6 750 2600 14.6 14.6 100 0.0 14.6 110 10 312.4 315.1 297.8 355.7 14.08 7 700 3182 10.6 8.9 89 1.7 9.5 85 13 314.2 316.2 295.8 346.2 10.29 8 690 3302 9.6 7.1 84 2.5 8.0 102 12 314.4 316.2 295.1 343.1 9.22 9 668 3571 9.0 4.0 71 5.0 6.1 104 14 316.7 318.1 294.5 340.8 7.66 10 635 3989 6.6 6.4 99 0.2 6.5 93 17 318.5 320.4 296.4 348.8 9.55 11 542 5277 0.8 -10.2 44 11.0 -4.1 75 15 326.4 327.0 293.7 337.3 3.25 12 521 5593 -1.7 -8.7 59 7.0 -5.0 96 14 327.1 327.9 294.3 339.9 3.81 13 505 5841 -3.3 -21.3 23 18.0 -9.4 106 14 328.1 328.4 292.5 333.0 1.38 14 500 5920 -3.7 -16.7 36 13.0 -8.6 100 13 328.5 328.9 293.2 335.7 2.07 15 497 5968 -4.3 -13.3 49 9.0 -8.0 101 13 328.4 328.9 293.8 337.8 2.76 16 453 6694 -8.7 -15.7 57 7.0 -11.3 78 13 331.7 332.2 294.4 340.3 2.48 17 439 6937 -9.9 -22.9 34 13.0 -14.0 57 14 333.1 333.4 293.9 338.1 1.38 18 422 7241 -11.7 -16.2 69 4.5 -13.4 43 16 334.6 335.1 295.2 343.6 2.56 19 402 7612 -14.7 -17.7 78 3.0 -15.7 49 20 335.4 335.9 295.2 343.8 2.37 20 400 7650 -14.9 -18.1 77 3.2 -16.0 50 20 335.6 336.1 295.2 343.8 2.30 21 389 7861 -15.9 -27.9 35 12.0 -19.0 55 22 337.0 337.2 294.5 340.7 0.99 22 363 8380 -19.7 -47.7 6 28.0 -23.5 65 27 338.7 338.7 294.1 339.2 0.14 23 348 8692 -22.3 -33.3 36 11.0 -24.5 65 29 339.3 339.4 294.7 341.8 0.66 24 329 9103 -24.7 -53.7 5 29.0 -27.6 77 30 341.4 341.5 294.7 341.8 0.08 25 309 9558 -27.7 -57.7 4 30.0 -30.2 77 27 343.4 343.4 295.2 343.6 0.05 26 300 9770 -29.7 -57.7 5 28.0 -31.9 75 26 343.5 343.5 295.2 343.7 0.05 27 272 10459 -35.5 -61.5 5 26.0 -37.0 76 23 344.9 344.9 295.5 345.0 0.04 28 250 11040 -39.5 -66.5 4 27.0 -40.6 85 15 347.3 347.3 296.1 347.4 0.02 29 200 12520 -51.5 -69.5 10 18.0 -51.9 105 12 351.2 351.2 296.9 351.3 0.02 30 168 13626 -61.5 -72.5 22 11.0 -61.6 106 3 352.5 352.5 297.2 352.6 0.01 31 150 14320 -66.9 -75.9 27 9.0 -67.0 220 3 354.8 354.8 297.7 354.9 0.01 32 129 15215 -74.1 -80.1 39 6.0 -74.1 239 11 357.5 357.5 298.2 357.6 0.01 33 100 16680 -79.5 -88.5 21 9.0 -79.5 225 7 374.1 374.1 301.3 374.1 0.00 34 79 17998 -84.9 -89.7 42 4.8 -84.9 115 6 389.1 389.1 303.6 389.1 0.00 35 70 18680 -76.5 -90.5 9 14.0 -76.6 320 8 420.7 420.7 307.8 420.7 0.00 36 64 19201 -73.1 -91.1 5 18.0 -73.2 298 15 439.1 439.1 309.8 439.1 0.00 37 63 19293 -73.5 -91.5 5 18.0 -73.6 281 19 440.2 440.2 309.9 440.2 0.00 38 62 19387 -69.5 -91.5 3 22.0 -69.6 263 23 451.1 451.1 311.0 451.1 0.00 39 57 19890 -68.7 -91.7 2 23.0 -68.9 224 25 463.9 463.9 312.1 463.9 0.00 40 53 20332 -62.9 -90.9 1 28.0 -63.3 263 12 487.1 487.1 314.0 487.1 0.00 41 50 20690 -63.9 -89.9 2 26.0 -64.3 285 27 492.9 492.9 314.4 492.9 0.00 42 38 22377 -62.7 -89.7 1 27.0 -63.3 246 17 536.2 536.2 317.3 536.2 0.00 TRP 79 17998 -84.9 -89.7 42 4.8 -84.9 115 6 389.1 389.1 303.6 389.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5810.00 m Freezing level: 535.28 mb = 5378.10 m = 17644.46 ft Wetbulb zero: 578.31 mb = 4749.52 m = 15582.22 ft Precipitable water: 2.55 inches Sfc-500 mean rel hum: 83.36 % Est. max temperature: 32.81 C = 91.07 F Sfc-Lift cond lev (LCL): 963.70 mb = 434.92 m = 1426.89 ft T: 24.08 C 700-500 lapse rate: 5.22 C/km ThetaE index: 14.91 C Layer 700.0- 635.0 mb Conv cond level (CCL): 940.40 mb = 649.97 m = 2132.43 ft Mean mixing ratio: 18.63 g/kg Conv temperature: 28.36 C = 83.05 F Cap Strength: 0.17 C Lifted Index: -2.67 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.23 C Lifted Index @700 mb: -1.43 C Showalter Index: -2.25 C Risk: Severe thunderstorms possible Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.40 C K Index: 39.50 Risk: > 80 % chance of thunderstorms Sweat Index: 261.40 Risk: None Energy Index: -3.61 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1311.56 J/kg Max Up Vert Vel: 51.22 m/s Conv Inhibition (B-): 0.11 J/kg Cap Strength: 0.17 C Lift Cond Lev (LCL): 944.85 mb = 608.46 m = 1996.22 ft Lev Free Conv (LFC): 929.85 mb = 749.03 m = 2457.41 ft Equ Level (EL): 759.85 mb = 2488.12 m = 8163.03 ft B at Equ Level: 24.51 J/kg Max Parcel Lev (MPL): 79.85 mb = 17938.15 m = 58851.48 ft Wind level data Storm motion: 128 at 11 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 1006 56 115 13 -11.8 5.5 | 66 3 -3.0 -1.3 1 1000 110 115 13 -11.8 5.5 | 66 3 -3.0 -1.3 2 978 305 120 18 -15.6 9.0 | 108 7 -6.8 2.2 3 945 610 115 22 -19.9 9.3 | 103 11 -11.1 2.5 4 925 795 110 18 -16.9 6.2 | 85 8 -8.1 -0.6 5 912 914 95 14 -13.9 1.2 | 43 8 -5.1 -5.6 6 881 1219 90 13 -13.0 0.0 | 32 8 -4.2 -6.8 7 850 1528 105 12 -11.6 3.1 | 37 5 -2.8 -3.7 8 821 1829 105 15 -14.5 3.9 | 63 6 -5.7 -2.9 9 792 2134 120 14 -12.1 7.0 | 93 3 -3.3 0.2 10 764 2438 105 11 -10.6 2.8 | 25 4 -1.8 -4.0 11 737 2743 115 10 -9.1 4.2 | 6 3 -0.3 -2.6 12 700 3182 85 13 -13.0 -1.1 | 28 9 -4.1 -7.9 13 685 3353 110 12 -11.3 4.1 | 42 4 -2.5 -2.7 14 613 4267 85 20 -19.9 -1.7 | 52 14 -11.1 -8.5 15 547 5182 70 15 -14.1 -5.1 | 24 13 -5.3 -11.9 16 508 5791 110 14 -13.2 4.8 | 65 5 -4.3 -2.0 17 500 5920 100 13 -12.8 2.3 | 41 6 -4.0 -4.5 18 489 6096 105 12 -11.6 3.1 | 37 5 -2.8 -3.7 19 470 6401 115 9 -8.2 3.8 | 348 3 0.7 -3.0 20 452 6706 75 13 -12.6 -3.4 | 20 11 -3.7 -10.2 21 434 7010 50 14 -10.7 -9.0 | 7 16 -1.9 -15.8 22 418 7315 40 17 -10.9 -13.0 | 6 20 -2.1 -19.8 23 400 7650 50 20 -15.3 -12.9 | 18 21 -6.5 -19.7 24 370 8230 65 26 -23.6 -11.0 | 40 23 -14.8 -17.8 25 340 8839 65 30 -27.2 -12.7 | 43 27 -18.4 -19.5 26 327 9144 80 30 -29.5 -5.2 | 60 24 -20.7 -12.0 27 300 9770 75 26 -25.1 -6.7 | 50 21 -16.3 -13.5 28 288 10058 70 26 -24.4 -8.9 | 45 22 -15.6 -15.7 29 264 10668 80 22 -21.7 -3.8 | 50 17 -12.9 -10.6 30 252 10973 70 17 -16.0 -5.8 | 30 15 -7.2 -12.6 31 250 11040 85 15 -14.9 -1.3 | 37 10 -6.1 -8.1 32 241 11278 85 16 -15.9 -1.4 | 41 11 -7.1 -8.2 33 220 11887 70 14 -13.2 -4.8 | 21 12 -4.3 -11.6 34 200 12520 105 12 -11.6 3.1 | 37 5 -2.8 -3.7 35 182 13106 110 13 -12.2 4.4 | 55 4 -3.4 -2.4 36 165 13716 105 1 -1.0 0.3 | 310 10 7.8 -6.5 37 150 14320 220 3 1.9 2.3 | 293 12 10.7 -4.5 38 128 15240 240 11 9.5 5.5 | 274 18 18.3 -1.3 39 122 15545 205 15 6.3 13.6 | 246 17 15.1 6.8 40 109 16154 240 17 14.7 8.5 | 266 24 23.5 1.7 41 104 16459 260 12 11.8 2.1 | 283 21 20.6 -4.7 42 100 16680 225 7 4.9 4.9 | 278 14 13.8 -1.9 43 93 17069 225 7 4.9 4.9 | 278 14 13.8 -1.9 44 88 17374 170 21 -3.6 20.7 | 200 15 5.2 13.9 45 84 17678 170 20 -3.5 19.7 | 202 14 5.3 12.9 46 79 17983 140 14 -9.0 10.7 | 177 4 -0.2 3.9 47 79 17998 115 6 -5.4 2.5 | 322 5 3.4 -4.3 48 75 18288 65 4 -3.6 -1.7 | 329 10 5.2 -8.5 49 70 18680 320 8 5.1 -6.1 | 313 19 14.0 -12.9 50 64 19202 300 14 12.1 -7.0 | 303 25 20.9 -13.8 51 61 19507 245 28 25.4 11.8 | 262 35 34.2 5.0 52 58 19812 235 32 26.2 18.4 | 252 37 35.0 11.5 53 55 20117 200 11 3.8 10.3 | 254 13 12.6 3.5 54 52 20422 285 12 11.6 -3.1 | 296 23 20.4 -9.9 55 50 20690 285 27 26.1 -7.0 | 292 38 34.9 -13.8 56 50 20726 280 30 29.5 -5.2 | 287 40 38.4 -12.0 57 47 21031 270 27 27.0 -0.0 | 281 36 35.8 -6.8 58 44 21336 290 26 24.4 -8.9 | 295 37 33.2 -15.7 59 39 21946 245 19 17.2 8.0 | 267 26 26.0 1.2 60 36 22250 250 12 11.3 4.1 | 278 20 20.1 -2.7 61 34 22555 235 15 12.3 8.6 | 265 21 21.1 1.8 Wind Parameters Mean winds (0-6000m): 97.7 at 14.8 knts Storm direction: 127.7 at 11.1 knts Shear (0-3000m) pos: 2.0 neg: 2.7 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): -37.5 deg Storm rel helicity (0-3000m) pos: 12.4 neg: -28.1 tot: -15.7 m^2/s^2 ave: -5.2 10^-3 m/s^2 rel: -0.15 Storm rel vorticity (0-3000m) horiz: 6.8 stream: -1.0 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 268.88 Bulk Shear: 4.88 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 ------------------------------------------------------------------------------- 500 118 17 101 7| 8.5 0.0 8.5| 4.2 -1.4 2.8 5.6 0.32| 9.0 2.9 1000 112 17 88 7| 4.3 5.3 9.6| 4.2 -22.3 -18.1 -18.1 -0.35| 9.9 -3.5 1500 108 16 72 7| 2.9 3.5 6.5| 5.4 -23.7 -18.3 -12.2 -0.29| 7.9 -2.3 2000 108 15 70 6| 3.0 2.7 5.6| 10.8 -23.7 -12.9 -6.5 -0.10| 7.3 -0.7 2500 109 15 68 6| 2.4 2.9 5.3| 11.0 -27.6 -16.5 -6.6 -0.20| 7.0 -1.4 3000 108 14 62 5| 2.0 2.7 4.6| 12.4 -28.1 -15.7 -5.2 -0.15| 6.8 -1.0 4000 105 14 58 6| 1.9 2.2 4.1| 16.5 -28.9 -12.4 -3.1 -0.07| 7.0 -0.5 5000 99 15 53 7| 1.5 2.4 3.8| 16.5 -51.7 -35.2 -7.0 -0.16| 6.5 -1.0 6000 98 15 51 8| 1.8 2.0 3.7| 29.4 -57.2 -27.7 -4.6 -0.10| 6.5 -0.6 Wrote GIF file: /home/apache/climate/data/raob//SBFN/skewt/SBFN.skewt.20250426.12.gif