UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for SBFN... Searching the city database file for: SBFN ... Date:1200Z 28 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 1007 56 28.8 24.2 76 4.6 25.4 120 10 301.3 304.9 298.3 358.0 19.21 1 1000 117 27.8 23.1 76 4.7 24.3 120 10 301.0 304.3 297.5 354.1 18.07 2 930 756 21.6 21.3 98 0.3 21.4 115 17 300.9 304.1 297.1 352.1 17.40 3 925 803 21.2 20.7 97 0.5 20.9 115 17 301.0 304.1 296.7 350.5 16.84 4 917 879 21.2 18.3 84 2.9 19.2 108 18 301.7 304.4 295.4 344.7 14.58 5 910 945 21.8 15.8 69 6.0 17.7 105 19 303.0 305.3 294.3 340.1 12.50 6 884 1197 20.8 11.8 56 9.0 15.0 105 20 304.5 306.3 292.8 334.1 9.88 7 850 1536 18.2 14.6 80 3.6 15.8 105 22 305.2 307.5 294.8 342.3 12.39 8 845 1587 17.6 15.4 87 2.2 16.1 106 22 305.1 307.5 295.4 344.4 13.14 9 806 1990 16.2 13.4 83 2.8 14.3 102 21 307.8 310.0 295.3 344.3 12.08 10 767 2412 14.6 2.6 44 12.0 7.8 95 23 310.4 311.6 291.5 329.1 6.02 11 756 2534 13.4 8.7 73 4.7 10.4 94 25 310.4 312.2 294.1 339.2 9.38 12 732 2805 12.4 5.4 62 7.0 8.2 92 29 312.2 313.7 293.3 336.1 7.71 13 726 2875 12.6 1.6 47 11.0 6.5 94 28 313.2 314.3 292.2 331.7 5.93 14 700 3180 10.0 0.0 50 10.0 4.6 95 27 313.6 314.6 291.9 330.8 5.47 15 655 3727 6.0 -2.0 56 8.0 1.8 78 19 315.1 316.0 292.0 331.1 5.05 16 620 4174 4.2 -0.2 73 4.4 1.8 70 11 318.0 319.2 293.7 337.4 6.09 17 601 4426 3.0 -5.0 56 8.0 -0.9 80 7 319.4 320.3 292.7 333.7 4.39 18 596 4494 3.4 -8.6 41 12.0 -2.1 84 6 320.7 321.3 292.2 331.7 3.35 19 581 4700 3.0 -30.0 7 33.0 -6.4 101 7 322.5 322.7 290.1 324.5 0.54 20 562 4968 1.6 -16.4 25 18.0 -5.3 116 10 324.0 324.3 291.8 330.4 1.89 21 544 5229 0.2 -37.8 4 38.0 -8.8 105 10 325.3 325.4 290.7 326.4 0.27 22 526 5498 -1.1 -33.1 7 32.0 -9.4 105 8 326.9 327.0 291.3 328.6 0.45 23 521 5574 -1.5 -14.5 36 13.0 -6.7 105 8 327.3 327.8 293.2 335.5 2.39 24 512 5712 -2.7 -14.7 39 12.0 -7.5 105 7 327.5 328.0 293.2 335.7 2.39 25 500 5900 -2.5 -39.5 4 37.0 -10.8 100 21 330.0 330.0 292.0 330.9 0.25 26 499 5916 -2.5 -40.5 4 38.0 -10.8 100 21 330.2 330.2 292.0 331.0 0.22 27 414 7369 -12.9 -29.9 23 17.0 -17.1 79 12 334.9 335.1 293.7 337.8 0.77 28 407 7498 -13.7 -16.2 81 2.5 -14.6 62 10 335.5 336.1 295.5 344.8 2.65 29 400 7630 -14.7 -16.4 87 1.7 -15.3 45 7 335.9 336.4 295.6 345.2 2.66 30 397 7687 -15.3 -16.5 91 1.2 -15.7 47 7 335.8 336.4 295.6 345.2 2.65 31 369 8237 -17.3 -37.3 16 20.0 -21.2 40 11 340.3 340.4 294.8 341.9 0.42 32 349 8652 -20.3 -57.3 2 37.0 -24.3 87 10 341.7 341.7 294.8 341.9 0.05 33 305 9632 -29.3 -58.3 4 29.0 -31.6 111 11 342.5 342.5 295.0 342.7 0.05 34 300 9750 -29.9 -53.9 8 24.0 -32.0 105 11 343.2 343.3 295.2 343.6 0.08 35 284 10141 -33.1 -56.1 8 23.0 -34.8 99 10 344.1 344.1 295.4 344.4 0.07 36 280 10241 -33.9 -41.9 44 8.0 -34.8 97 10 344.3 344.4 295.7 345.7 0.34 37 277 10317 -34.3 -48.3 23 14.0 -35.6 96 10 344.8 344.8 295.6 345.5 0.17 38 271 10471 -35.5 -42.5 49 7.0 -36.2 93 11 345.2 345.3 295.8 346.6 0.33 39 251 11003 -39.9 -45.9 53 6.0 -40.4 65 11 346.3 346.4 296.0 347.4 0.25 40 250 11030 -39.9 -45.9 53 6.0 -40.4 45 8 346.7 346.8 296.1 347.8 0.25 41 241 11279 -41.9 -54.9 23 13.0 -42.6 36 6 347.4 347.4 296.1 347.8 0.09 42 200 12510 -52.7 -64.7 22 12.0 -53.0 220 2 349.3 349.3 296.5 349.5 0.03 43 192 12773 -54.9 -65.9 24 11.0 -55.1 208 3 349.9 349.9 296.6 350.0 0.03 44 188 12907 -55.7 -63.7 36 8.0 -55.9 202 4 350.7 350.7 296.8 350.9 0.04 45 181 13148 -57.7 -71.7 15 14.0 -57.9 191 5 351.3 351.3 296.9 351.3 0.01 46 150 14310 -66.5 -74.5 32 8.0 -66.5 135 10 355.5 355.5 297.8 355.6 0.01 47 133 15026 -73.1 -77.8 49 4.7 -73.1 130 15 356.2 356.2 298.0 356.2 0.01 48 116 15814 -78.9 -82.4 56 3.5 -78.9 106 14 359.7 359.7 298.7 359.7 0.00 49 108 16218 -81.9 -86.6 44 4.7 -81.9 113 14 361.4 361.4 299.0 361.5 0.00 50 101 16594 -80.5 -87.5 30 7.0 -80.5 132 7 371.1 371.1 300.8 371.1 0.00 51 100 16650 -80.5 -87.5 30 7.0 -80.5 135 6 372.2 372.2 300.9 372.2 0.00 52 93 17056 -83.3 -89.3 34 6.0 -83.3 96 4 374.5 374.5 301.4 374.5 0.00 53 88 17366 -78.7 -87.7 22 9.0 -78.7 65 10 389.7 389.7 303.8 389.7 0.00 54 80 17905 -80.3 -89.3 21 9.0 -80.3 87 12 397.1 397.1 304.8 397.1 0.00 55 75 18275 -73.7 -88.7 8 15.0 -73.7 95 10 418.4 418.4 307.5 418.4 0.00 56 70 18680 -71.5 -89.5 5 18.0 -71.6 265 21 431.4 431.4 309.0 431.4 0.00 57 69 18766 -70.5 -89.5 4 19.0 -70.6 263 21 435.3 435.3 309.4 435.4 0.00 58 56 20003 -72.5 -90.5 5 18.0 -72.6 274 26 457.6 457.6 311.5 457.6 0.00 59 50 20680 -66.9 -89.9 3 23.0 -67.1 250 21 485.8 485.8 313.9 485.8 0.00 60 45 21318 -63.9 -89.9 2 26.0 -64.3 220 19 508.0 508.0 315.5 508.0 0.00 61 40 22033 -66.3 -90.3 2 24.0 -66.6 218 19 519.4 519.4 316.2 519.4 0.00 62 36 22682 -57.9 -87.9 1 30.0 -58.9 270 7 557.0 557.0 318.5 557.0 0.00 63 30 23810 -64.7 -89.7 2 25.0 -65.2 265 12 568.3 568.3 319.0 568.3 0.00 64 25 24948 -56.5 -87.5 1 31.0 -58.1 100 12 622.2 622.2 321.6 622.3 0.01 65 23 25476 -58.1 -87.1 1 29.0 -59.5 90 27 632.5 632.5 322.0 632.6 0.01 66 20 26370 -52.2 -84.9 1 32.7 -55.1 90 59 676.2 676.3 323.6 676.4 0.01 67 19 26704 -50.1 -84.1 1 34.0 -53.7 120 45 692.9 692.9 324.2 693.0 0.02 TRP 30 23810 -64.7 -89.7 2 25.0 -65.2 265 12 568.3 568.3 319.0 568.3 0.00 WND 20 26370 -52.2 -84.9 1 32.7 -55.1 90 59 676.2 676.3 323.6 676.4 0.01 Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 541.23 mb = 5270.58 m = 17291.73 ft Wetbulb zero: 607.40 mb = 4340.42 m = 14240.03 ft Precipitable water: 1.80 inches Sfc-500 mean rel hum: 55.39 % Est. max temperature: 32.52 C = 90.54 F Sfc-Lift cond lev (LCL): 942.43 mb = 639.18 m = 2097.02 ft T: 22.73 C 700-500 lapse rate: 4.60 C/km ThetaE index: 23.95 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 874.30 mb = 1292.46 m = 4240.29 ft Mean mixing ratio: 17.12 g/kg Conv temperature: 32.16 C = 89.89 F Cap Strength: 1.27 C Lifted Index: -0.12 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.38 C Lifted Index @700 mb: -1.04 C Showalter Index: 3.37 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 17.10 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 240.20 Risk: None Energy Index: -2.07 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 593.58 J/kg Max Up Vert Vel: 34.46 m/s Conv Inhibition (B-): 20.75 J/kg Cap Strength: 1.27 C Lift Cond Lev (LCL): 920.08 mb = 849.34 m = 2786.52 ft Lev Free Conv (LFC): 845.08 mb = 1585.75 m = 5202.53 ft Equ Level (EL): 795.08 mb = 2106.14 m = 6909.82 ft B at Equ Level: 6.79 J/kg Max Parcel Lev (MPL): 95.08 mb = 16931.84 m = 55549.99 ft Wind level data Storm motion: 129 at 13 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 1007 56 120 10 -8.7 5.0 | 336 3 1.3 -3.0 1 1000 117 120 10 -8.7 5.0 | 336 3 1.3 -3.0 2 979 305 120 15 -13.0 7.5 | 81 3 -3.0 -0.5 3 946 610 115 15 -13.6 6.3 | 66 4 -3.6 -1.6 4 925 803 115 17 -15.4 7.2 | 82 5 -5.4 -0.8 5 913 914 105 19 -18.4 4.9 | 70 9 -8.4 -3.1 6 850 1536 105 22 -21.3 5.7 | 79 12 -11.3 -2.3 7 821 1829 110 20 -18.8 6.8 | 83 9 -8.8 -1.1 8 792 2134 95 22 -21.9 1.9 | 63 13 -11.9 -6.1 9 764 2438 95 23 -22.9 2.0 | 65 14 -12.9 -6.0 10 737 2743 90 30 -30.0 0.0 | 68 22 -20.0 -8.0 11 711 3048 100 26 -25.6 4.5 | 77 16 -15.6 -3.5 12 700 3180 95 27 -26.9 2.4 | 72 18 -16.9 -5.6 13 635 3962 70 15 -14.1 -5.1 | 17 14 -4.1 -13.1 14 612 4267 70 9 -8.5 -3.1 | 352 11 1.5 -11.1 15 589 4572 90 5 -5.0 0.0 | 328 9 5.0 -8.0 16 567 4877 120 10 -8.7 5.0 | 336 3 1.3 -3.0 17 546 5182 105 10 -9.7 2.6 | 357 5 0.3 -5.4 18 507 5791 105 7 -6.8 1.8 | 332 7 3.2 -6.2 19 500 5900 100 21 -20.7 3.6 | 68 12 -10.7 -4.3 20 488 6096 100 25 -24.6 4.3 | 76 15 -14.6 -3.6 21 451 6706 105 23 -22.2 6.0 | 81 12 -12.2 -2.0 22 417 7315 85 13 -13.0 -1.1 | 18 10 -3.0 -9.1 23 400 7630 45 7 -4.9 -4.9 | 339 14 5.0 -12.9 24 384 7925 55 5 -4.1 -2.9 | 332 12 5.9 -10.9 25 369 8230 40 11 -7.1 -8.4 | 350 17 2.9 -16.4 26 339 8839 110 10 -9.4 3.4 | 353 5 0.6 -4.6 27 326 9144 135 10 -7.1 7.1 | 287 3 2.9 -0.9 28 300 9750 105 11 -10.6 2.8 | 7 5 -0.7 -5.1 29 275 10363 95 10 -10.0 0.9 | 360 7 0.0 -7.1 30 252 10973 85 15 -14.9 -1.3 | 28 11 -5.0 -9.3 31 250 11030 45 8 -5.7 -5.7 | 342 14 4.3 -13.6 32 210 12192 0 0 -0.0 -0.0 | 309 13 10.0 -8.0 33 200 12510 220 2 1.3 1.5 | 300 13 11.3 -6.5 34 150 14310 135 10 -7.1 7.1 | 287 3 2.9 -0.9 35 135 14935 135 15 -10.6 10.6 | 166 3 -0.6 2.6 36 121 15545 90 12 -12.0 0.0 | 14 8 -2.0 -8.0 37 115 15850 110 14 -13.2 4.8 | 45 5 -3.2 -3.2 38 109 16154 110 15 -14.1 5.1 | 55 5 -4.1 -2.9 39 100 16650 135 6 -4.2 4.2 | 303 7 5.7 -3.7 40 98 16764 135 6 -4.2 4.2 | 303 7 5.7 -3.7 41 93 17069 95 4 -4.0 0.3 | 322 10 6.0 -7.6 42 88 17374 65 10 -9.1 -4.2 | 356 12 0.9 -12.2 43 83 17678 55 21 -17.2 -12.0 | 20 21 -7.2 -20.0 44 79 17983 95 10 -10.0 0.9 | 360 7 0.0 -7.1 45 75 18288 95 10 -10.0 0.9 | 360 7 0.0 -7.1 46 71 18593 270 14 14.0 -0.0 | 288 25 24.0 -8.0 47 70 18680 265 21 20.9 1.8 | 281 32 30.9 -6.2 48 67 18898 260 21 20.7 3.6 | 278 31 30.7 -4.3 49 64 19202 275 29 28.9 -2.5 | 285 40 38.9 -10.5 50 61 19507 270 44 44.0 -0.0 | 278 55 54.0 -8.0 51 55 20117 275 22 21.9 -1.9 | 287 33 31.9 -9.9 52 52 20422 285 22 21.3 -5.7 | 294 34 31.2 -13.7 53 50 20680 250 21 19.7 7.2 | 272 30 29.7 -0.8 54 43 21641 205 18 7.6 16.3 | 245 19 17.6 8.3 55 39 22250 225 20 14.1 14.1 | 256 25 24.1 6.2 56 37 22555 205 12 5.1 10.9 | 259 15 15.0 2.9 57 35 22860 350 2 0.3 -2.0 | 314 14 10.3 -10.0 58 33 23165 330 14 7.0 -12.1 | 320 26 17.0 -20.1 59 30 23774 330 24 12.0 -20.8 | 323 36 22.0 -28.8 60 30 23810 265 12 12.0 1.0 | 288 23 21.9 -6.9 61 29 24079 270 12 12.0 -0.0 | 290 23 22.0 -8.0 62 27 24384 245 12 10.9 5.1 | 278 21 20.9 -2.9 63 26 24689 15 11 -2.8 -10.6 | 339 20 7.1 -18.6 64 25 24994 110 12 -11.3 4.1 | 19 4 -1.3 -3.9 65 23 25603 85 31 -30.9 -2.7 | 63 23 -20.9 -10.7 66 21 26213 125 34 -27.9 19.5 | 123 21 -17.9 11.5 67 20 26370 90 59 -59.0 0.0 | 81 50 -49.0 -8.0 68 19 26518 125 42 -34.4 24.1 | 123 29 -24.4 16.1 69 18 26822 90 59 -59.0 0.0 | 81 50 -49.0 -8.0 70 16 27127 85 49 -48.8 -4.3 | 72 41 -38.8 -12.3 Wind Parameters Mean winds (0-6000m): 98.7 at 17.0 knts Storm direction: 128.7 at 12.8 knts Shear (0-3000m) pos: 0.7 neg: 2.7 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 100.9 deg Storm rel helicity (0-3000m) pos: 29.1 neg: -13.0 tot: 16.1 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 1.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 109.47 Bulk Shear: 5.42 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 ------------------------------------------------------------------------------- 500 119 13 50 2| 0.0 5.2 5.2| 2.5 -0.6 1.9 3.8 0.63| 6.2 3.9 1000 114 15 67 4| 0.0 5.3 5.3| 4.2 -2.5 1.6 1.6 0.32| 6.3 2.0 1500 110 17 72 6| 0.7 3.6 4.3| 7.5 -2.5 4.9 3.3 0.35| 5.0 1.7 2000 109 18 74 7| 0.6 2.8 3.3| 8.9 -9.9 -1.0 -0.5 0.15| 5.3 0.8 2500 106 19 72 9| 0.4 3.2 3.6| 12.8 -13.0 -0.2 -0.1 0.12| 5.3 0.6 3000 103 21 71 11| 0.7 2.7 3.4| 29.1 -13.0 16.1 5.4 0.18| 6.2 1.1 4000 99 21 65 12| 0.5 1.7 2.3| 29.1 -84.9 -55.8 -14.0 -0.21| 7.1 -1.5 5000 98 18 56 10| 1.2 1.4 2.6| 32.1-107.2 -75.0 -15.0 -0.24| 7.3 -1.8 6000 99 17 52 9| 1.0 1.8 2.8| 57.4-110.9 -53.5 -8.9 -0.06| 7.9 -0.5 Wrote GIF file: /home/apache/climate/data/raob//SBFN/skewt/SBFN.skewt.20250428.12.gif