UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for SBFN... Searching the city database file for: SBFN ... Date:1200Z 29 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 29.0 24.6 77 4.4 25.7 155 3 301.6 305.3 298.7 359.9 19.71 1 1000 112 28.0 23.7 78 4.3 24.8 155 3 301.1 304.6 298.0 356.4 18.76 2 942 639 22.6 21.9 96 0.7 22.1 119 17 300.8 304.1 297.3 353.3 17.83 3 925 798 21.6 20.2 92 1.4 20.6 110 16 301.4 304.4 296.5 349.5 16.32 4 874 1289 18.6 16.8 89 1.8 17.4 100 20 303.2 305.8 295.4 344.4 13.90 5 868 1348 19.0 15.0 78 4.0 16.3 100 20 304.2 306.5 294.6 341.3 12.45 6 850 1529 18.6 11.6 64 7.0 14.1 105 18 305.6 307.5 293.3 336.1 10.15 7 816 1878 18.0 3.0 37 15.0 9.5 123 16 308.6 309.7 290.7 326.5 5.82 8 700 3172 10.4 -0.6 46 11.0 4.5 110 6 314.0 315.0 291.9 330.5 5.23 9 654 3733 6.4 0.4 65 6.0 3.1 44 5 315.6 316.8 293.0 334.7 6.03 10 645 3847 5.6 -3.4 52 9.0 1.1 30 4 316.0 316.9 291.9 330.7 4.61 11 628 4066 6.8 -36.2 3 43.0 -4.3 34 5 319.8 319.8 289.0 320.8 0.28 12 578 4741 2.2 -22.8 14 25.0 -6.1 72 13 322.1 322.3 290.5 325.8 1.06 13 544 5228 -0.5 -29.5 9 29.0 -8.6 69 18 324.5 324.6 290.7 326.7 0.61 14 528 5467 -0.3 -39.3 3 39.0 -9.2 97 26 327.5 327.6 291.3 328.4 0.24 15 500 5900 -4.3 -37.3 6 33.0 -11.8 100 30 327.8 327.9 291.4 329.0 0.31 16 492 6027 -5.5 -36.5 7 31.0 -12.5 100 31 327.8 327.9 291.5 329.1 0.34 17 484 6156 -4.7 -45.7 2 41.0 -12.5 97 28 330.4 330.4 292.0 330.9 0.13 18 400 7630 -14.1 -55.1 2 41.0 -19.4 90 17 336.7 336.7 293.6 336.9 0.05 19 354 8540 -21.3 -58.3 2 37.0 -25.0 99 16 338.9 339.0 294.1 339.1 0.04 20 331 9032 -23.7 -63.7 1 40.0 -27.0 76 12 342.2 342.2 294.8 342.3 0.02 21 300 9740 -29.1 -64.1 2 35.0 -31.5 145 3 344.4 344.4 295.4 344.5 0.02 22 292 9934 -30.5 -64.5 2 34.0 -32.7 121 2 345.0 345.1 295.6 345.1 0.02 23 290 9983 -30.7 -50.7 12 20.0 -32.6 114 2 345.4 345.5 295.7 346.0 0.13 24 250 11020 -40.3 -48.3 42 8.0 -40.9 170 8 346.2 346.2 296.0 346.9 0.19 25 242 11240 -42.1 -49.1 46 7.0 -42.6 183 8 346.7 346.7 296.1 347.4 0.18 26 229 11611 -44.5 -60.5 15 16.0 -45.2 205 8 348.5 348.6 296.4 348.8 0.05 27 212 12121 -49.3 -56.3 44 7.0 -49.6 236 8 348.8 348.9 296.4 349.2 0.09 28 200 12500 -52.1 -62.1 29 10.0 -52.4 260 8 350.3 350.3 296.7 350.5 0.04 29 196 12630 -53.3 -64.3 25 11.0 -53.5 252 8 350.4 350.4 296.7 350.5 0.03 30 171 13491 -61.3 -67.3 45 6.0 -61.4 197 7 351.1 351.1 296.9 351.2 0.03 31 164 13748 -63.5 -67.2 61 3.7 -63.6 181 7 351.6 351.6 297.0 351.7 0.03 32 159 13937 -64.5 -70.5 43 6.0 -64.6 168 7 353.0 353.0 297.3 353.1 0.02 33 150 14290 -67.7 -72.7 49 5.0 -67.7 145 7 353.5 353.5 297.4 353.5 0.01 34 136 14874 -72.1 -78.1 40 6.0 -72.1 170 10 355.7 355.7 297.8 355.8 0.01 35 111 16048 -80.1 -84.4 49 4.3 -80.1 128 13 362.0 362.0 299.1 362.0 0.00 36 101 16584 -79.7 -87.7 25 8.0 -79.7 104 15 372.7 372.7 301.0 372.7 0.00 37 100 16640 -80.1 -88.1 25 8.0 -80.1 90 16 373.0 373.0 301.1 373.0 0.00 38 93 17046 -82.5 -89.5 29 7.0 -82.5 120 22 376.1 376.1 301.6 376.1 0.00 39 87 17417 -82.1 -90.1 24 8.0 -82.1 117 28 384.1 384.1 302.9 384.1 0.00 40 79 17967 -73.7 -89.7 7 16.0 -73.7 61 12 412.2 412.2 306.8 412.2 0.00 41 73 18426 -74.7 -90.7 7 16.0 -74.7 295 6 419.5 419.5 307.7 419.5 0.00 42 70 18670 -73.1 -90.1 6 17.0 -73.2 255 23 428.0 428.0 308.6 428.0 0.00 43 57 19886 -68.3 -91.3 2 23.0 -68.5 258 21 464.8 464.8 312.2 464.8 0.00 44 50 20670 -68.7 -91.7 2 23.0 -68.9 265 24 481.6 481.6 313.6 481.6 0.00 45 45 21301 -69.3 -91.3 3 22.0 -69.5 289 22 494.9 494.9 314.6 494.9 0.00 46 37 22489 -63.3 -91.3 1 28.0 -63.8 254 14 538.8 538.8 317.5 538.8 0.00 47 35 22835 -58.5 -90.5 1 32.0 -59.5 206 4 559.9 559.9 318.6 559.9 0.00 48 31 23595 -60.5 -90.5 1 30.0 -61.3 261 11 574.3 574.3 319.4 574.3 0.00 49 30 23800 -59.9 -89.9 1 30.0 -60.8 130 18 581.3 581.3 319.8 581.4 0.00 50 23 25479 -55.3 -88.3 1 33.0 -57.2 108 36 640.8 640.8 322.3 640.8 0.01 51 22 25763 -55.7 -88.7 1 33.0 -57.6 97 41 647.8 647.8 322.6 647.8 0.01 52 21 26063 -50.9 -86.9 1 36.0 -54.0 85 46 670.9 670.9 323.4 671.0 0.01 53 20 26380 -51.9 -86.9 1 35.0 -54.9 70 35 677.3 677.3 323.7 677.4 0.01 54 19 26712 -52.9 -86.9 1 34.0 -55.7 70 35 684.2 684.2 323.9 684.3 0.01 55 17 27435 -49.3 -86.3 1 37.0 -53.4 78 39 717.9 717.9 325.0 718.0 0.01 TRP 93 17046 -82.5 -89.5 29 7.0 -82.5 120 22 376.1 376.1 301.6 376.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 550.30 mb = 5138.24 m = 16857.53 ft Wetbulb zero: 641.61 mb = 3889.99 m = 12762.28 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 43.08 % Est. max temperature: 32.53 C = 90.55 F Sfc-Lift cond lev (LCL): 944.27 mb = 617.85 m = 2027.04 ft T: 22.82 C 700-500 lapse rate: 5.39 C/km ThetaE index: 33.34 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 921.81 mb = 827.89 m = 2716.15 ft Mean mixing ratio: 17.65 g/kg Conv temperature: 28.87 C = 83.96 F Cap Strength: 0.93 C Lifted Index: -2.47 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.46 C Lifted Index @700 mb: -1.05 C Showalter Index: 4.12 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 15.90 C K Index: 23.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 205.20 Risk: None Energy Index: -1.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 895.17 J/kg Max Up Vert Vel: 42.31 m/s Conv Inhibition (B-): 0.52 J/kg Cap Strength: 0.94 C Lift Cond Lev (LCL): 926.43 mb = 784.53 m = 2573.88 ft Lev Free Conv (LFC): 911.43 mb = 925.97 m = 3037.92 ft Equ Level (EL): 851.43 mb = 1514.52 m = 4968.84 ft B at Equ Level: 11.25 J/kg Max Parcel Lev (MPL): 801.43 mb = 2030.39 m = 6661.29 ft Wind level data Storm motion: 131 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 56 155 3 -1.3 2.7 | 302 8 7.1 -4.5 1 1000 112 155 3 -1.3 2.7 | 302 8 7.1 -4.5 2 978 305 120 13 -11.3 6.5 | 76 3 -2.9 -0.7 3 945 610 120 17 -14.7 8.5 | 102 6 -6.3 1.3 4 925 798 110 16 -15.0 5.5 | 75 7 -6.6 -1.7 5 913 914 105 17 -16.4 4.4 | 71 8 -8.0 -2.8 6 881 1219 100 20 -19.7 3.5 | 72 12 -11.3 -3.7 7 850 1524 100 19 -18.7 3.3 | 69 11 -10.3 -3.9 8 850 1529 105 18 -17.4 4.7 | 74 9 -9.0 -2.5 9 820 1829 125 16 -13.1 9.2 | 113 5 -4.7 2.0 10 791 2134 110 18 -16.9 6.2 | 83 9 -8.5 -1.0 11 763 2438 120 16 -13.9 8.0 | 98 6 -5.5 0.8 12 710 3048 125 10 -8.2 5.7 | 352 1 0.2 -1.5 13 700 3172 110 6 -5.6 2.1 | 332 6 2.8 -5.1 14 635 3962 15 4 -1.0 -3.9 | 326 13 7.4 -11.1 15 612 4267 80 9 -8.9 -1.6 | 3 9 -0.5 -8.8 16 546 5182 65 17 -15.4 -7.2 | 26 16 -7.0 -14.4 17 526 5486 100 27 -26.6 4.7 | 82 18 -18.2 -2.5 18 500 5900 100 30 -29.5 5.2 | 85 21 -21.1 -2.0 19 488 6096 100 31 -30.5 5.4 | 85 22 -22.1 -1.8 20 469 6401 85 16 -15.9 -1.4 | 41 11 -7.5 -8.6 21 451 6706 105 11 -10.6 2.8 | 27 5 -2.2 -4.4 22 417 7315 100 21 -20.7 3.6 | 74 13 -12.3 -3.6 23 400 7630 90 17 -17.0 0.0 | 50 11 -8.6 -7.2 24 369 8230 80 15 -14.8 -2.6 | 33 12 -6.4 -9.8 25 354 8534 100 16 -15.8 2.8 | 59 9 -7.4 -4.4 26 325 9144 70 11 -10.3 -3.8 | 10 11 -1.9 -11.0 27 300 9740 145 3 -1.7 2.5 | 305 8 6.7 -4.7 28 275 10363 65 1 -0.9 -0.4 | 315 11 7.5 -7.6 29 250 11020 170 8 -1.4 7.9 | 264 7 7.0 0.7 30 200 12500 260 8 7.9 1.4 | 290 17 16.3 -5.8 31 150 14290 145 7 -4.0 5.7 | 288 5 4.4 -1.5 32 141 14630 155 10 -4.2 9.1 | 246 5 4.2 1.9 33 134 14935 175 10 -0.9 10.0 | 250 8 7.5 2.8 34 127 15240 150 15 -7.5 13.0 | 189 6 0.9 5.8 35 115 15850 125 13 -10.6 7.5 | 97 2 -2.2 0.3 36 103 16459 135 13 -9.2 9.2 | 158 2 -0.8 2.0 37 100 16640 90 16 -16.0 0.0 | 47 10 -7.6 -7.2 38 98 16764 90 16 -16.0 0.0 | 47 10 -7.6 -7.2 39 93 17046 120 22 -19.1 11.0 | 110 11 -10.7 3.8 40 93 17069 85 16 -15.9 -1.4 | 41 11 -7.5 -8.6 41 88 17374 115 29 -26.3 12.3 | 106 19 -17.9 5.1 42 83 17678 125 22 -18.0 12.6 | 119 11 -9.6 5.4 43 79 17983 60 12 -10.4 -6.0 | 9 13 -2.0 -13.2 44 75 18288 335 1 0.4 -0.9 | 313 12 8.8 -8.1 45 71 18593 250 11 10.3 3.8 | 280 19 18.7 -3.4 46 70 18670 255 23 22.2 6.0 | 272 31 30.6 -1.2 47 67 18898 255 23 22.2 6.0 | 272 31 30.6 -1.2 48 64 19202 255 29 28.0 7.5 | 270 36 36.4 0.3 49 61 19507 255 19 18.4 4.9 | 275 27 26.8 -2.3 50 50 20670 265 24 23.9 2.1 | 279 33 32.3 -5.1 51 50 20726 255 26 25.1 6.7 | 271 34 33.5 -0.5 52 45 21336 290 22 20.7 -7.5 | 297 33 29.1 -14.7 53 41 21946 270 27 27.0 -0.0 | 281 36 35.4 -7.2 54 39 22250 250 15 14.1 5.1 | 275 23 22.5 -2.1 55 37 22555 255 14 13.5 3.6 | 279 22 21.9 -3.6 56 35 22860 205 4 1.7 3.6 | 289 11 10.1 -3.6 57 33 23165 255 10 9.7 2.6 | 284 19 18.1 -4.6 58 32 23470 310 11 8.4 -7.1 | 310 22 16.8 -14.3 59 30 23774 195 12 3.1 11.6 | 249 12 11.5 4.4 60 30 23800 130 18 -13.8 11.6 | 129 7 -5.4 4.4 61 27 24384 75 18 -17.4 -4.7 | 37 15 -9.0 -11.9 62 26 24689 65 16 -14.5 -6.8 | 24 15 -6.1 -14.0 63 25 24994 75 23 -22.2 -6.0 | 46 19 -13.8 -13.2 64 24 25298 115 32 -29.0 13.5 | 107 22 -20.6 6.3 65 21 26213 80 49 -48.3 -8.5 | 68 43 -39.9 -15.7 66 20 26380 70 35 -32.9 -12.0 | 52 31 -24.5 -19.2 67 18 26822 70 35 -32.9 -12.0 | 52 31 -24.5 -19.2 68 15 27432 100 48 -47.3 8.3 | 92 39 -38.9 1.1 69 14 27737 95 56 -55.8 4.9 | 87 47 -47.4 -2.3 Wind Parameters Mean winds (0-6000m): 100.6 at 14.8 knts Storm direction: 130.6 at 11.1 knts Shear (0-3000m) pos: 1.7 neg: 2.9 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 47.2 deg Storm rel helicity (0-3000m) pos: 16.3 neg: -15.6 tot: 0.7 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 0.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 173.27 Bulk Shear: 5.17 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 ------------------------------------------------------------------------------- 500 123 11 28 2| 0.0 14.3 14.3| 2.7 -1.3 1.4 2.8 0.43| 16.2 7.0 1000 115 14 73 4| 0.0 8.6 8.6| 3.0 -7.4 -4.4 -4.4 0.16| 11.3 1.8 1500 109 16 72 7| 0.5 5.7 6.2| 6.2 -8.5 -2.4 -1.6 0.16| 9.3 1.5 2000 111 16 78 7| 0.9 4.3 5.2| 13.3 -12.3 0.9 0.5 0.17| 9.1 1.5 2500 112 16 80 7| 1.3 3.4 4.7| 16.3 -14.1 2.3 0.9 0.17| 8.4 1.4 3000 114 16 80 6| 1.7 2.9 4.6| 16.3 -15.6 0.7 0.2 0.08| 7.9 0.6 4000 111 13 54 4| 1.3 1.9 3.2| 24.8 -24.3 0.5 0.1 0.05| 7.8 0.4 5000 104 13 42 6| 0.4 2.0 2.4| 51.7 -24.3 27.4 5.5 0.16| 7.7 1.2 6000 101 15 54 8| 1.5 1.9 3.4|132.0 -24.3 107.7 18.0 0.31| 8.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//SBFN/skewt/SBFN.skewt.20250429.12.gif