UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for SBFN... Searching the city database file for: SBFN ... Date:1200Z 24 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 29.0 25.0 79 4.0 26.0 135 5 301.5 305.3 299.0 361.2 20.18 1 1000 114 27.8 23.9 79 3.9 24.9 125 7 301.0 304.4 298.1 356.9 19.00 2 949 577 23.2 22.7 97 0.5 22.9 121 18 300.8 304.2 297.8 355.5 18.61 3 925 801 22.0 20.5 91 1.5 20.9 110 20 301.8 304.9 296.8 350.9 16.63 4 850 1533 17.6 16.0 90 1.6 16.5 105 18 304.6 307.1 295.6 345.1 13.58 5 773 2342 14.6 6.6 59 8.0 9.8 105 17 309.7 311.2 292.8 334.1 7.93 6 756 2530 12.6 10.7 88 1.9 11.4 103 16 309.5 311.6 294.9 342.3 10.76 7 712 3034 12.0 -2.0 38 14.0 4.6 120 12 314.2 315.1 291.4 329.0 4.64 8 702 3153 12.2 -10.8 19 23.0 2.0 112 14 315.7 316.2 289.9 323.6 2.39 9 700 3177 12.0 -10.0 20 22.0 2.1 110 14 315.8 316.3 290.0 324.1 2.55 10 692 3273 11.2 1.2 50 10.0 5.6 109 14 315.9 317.1 293.1 335.1 6.04 11 642 3896 7.4 -5.6 39 13.0 1.0 100 11 318.5 319.2 292.0 331.2 3.92 12 627 4091 6.0 -7.0 39 13.0 -0.2 98 11 319.0 319.7 291.9 330.8 3.61 13 617 4223 5.0 0.0 70 5.0 2.2 96 10 319.3 320.6 294.1 339.3 6.21 14 578 4753 1.2 -2.9 74 4.1 -0.9 93 9 320.9 322.0 293.9 338.3 5.35 15 546 5211 -0.7 -15.7 31 15.0 -6.5 74 11 323.9 324.3 292.0 331.0 2.06 16 536 5359 -2.1 -5.1 80 3.0 -3.6 68 12 324.0 324.9 294.3 340.0 4.89 17 519 5615 -3.9 -5.5 89 1.6 -4.7 58 13 324.8 325.8 294.6 341.0 4.90 18 514 5691 -3.5 -14.5 42 11.0 -7.8 54 13 326.2 326.7 292.9 334.4 2.42 19 510 5753 -3.5 -17.5 33 14.0 -8.7 52 14 326.9 327.3 292.7 333.5 1.90 20 501 5894 -4.1 -20.1 28 16.0 -9.6 76 14 327.9 328.2 292.6 333.3 1.55 21 500 5910 -4.3 -18.3 33 14.0 -9.4 80 14 327.8 328.2 292.8 334.1 1.81 22 497 5957 -4.9 -12.9 53 8.0 -8.2 80 14 327.6 328.2 293.7 337.3 2.85 23 479 6245 -5.7 -35.7 7 30.0 -12.6 75 15 330.1 330.2 292.2 331.6 0.38 24 475 6311 -6.1 -20.1 32 14.0 -10.9 73 16 330.4 330.7 293.4 336.2 1.63 25 467 6443 -6.7 -42.7 4 36.0 -13.7 69 17 331.3 331.3 292.3 332.0 0.19 26 451 6713 -8.1 -26.1 22 18.0 -13.3 60 20 332.8 333.0 293.4 336.5 1.01 27 447 6782 -8.9 -17.9 48 9.0 -12.2 58 21 332.7 333.1 294.3 340.0 2.09 28 426 7151 -11.1 -31.1 17 20.0 -16.0 53 23 334.5 334.6 293.6 337.0 0.67 29 410 7443 -13.3 -20.3 56 7.0 -15.6 60 24 335.3 335.7 294.8 342.0 1.86 30 400 7630 -14.1 -24.1 42 10.0 -17.0 65 25 336.7 336.9 294.7 341.6 1.36 31 387 7881 -15.1 -30.1 27 15.0 -18.8 73 25 338.5 338.7 294.7 341.6 0.81 32 369 8241 -18.1 -25.1 54 7.0 -20.0 85 25 339.2 339.5 295.3 344.2 1.35 33 320 9293 -25.7 -35.7 39 10.0 -27.5 98 20 342.8 342.9 295.5 345.0 0.57 34 312 9477 -26.5 -56.5 4 30.0 -29.2 100 20 344.2 344.2 295.4 344.4 0.06 35 300 9760 -28.9 -58.9 4 30.0 -31.3 105 32 344.6 344.7 295.5 344.8 0.05 36 250 11030 -40.1 -50.1 34 10.0 -40.8 90 19 346.4 346.5 296.0 347.1 0.16 37 229 11622 -45.5 -52.5 45 7.0 -45.9 99 14 347.0 347.0 296.1 347.6 0.13 38 200 12510 -52.7 -65.7 19 13.0 -53.0 100 19 349.3 349.3 296.5 349.4 0.03 39 180 13182 -58.3 -70.3 20 12.0 -58.5 106 21 350.9 350.9 296.8 350.9 0.02 40 161 13877 -62.7 -78.7 10 16.0 -62.8 88 17 354.8 354.8 297.7 354.8 0.01 41 150 14310 -66.5 -78.5 17 12.0 -66.6 225 9 355.5 355.5 297.8 355.6 0.01 42 128 15248 -73.7 -81.7 28 8.0 -73.7 205 9 359.1 359.1 298.5 359.1 0.00 43 100 16660 -80.3 -87.3 30 7.0 -80.3 40 13 372.6 372.6 301.0 372.6 0.00 44 95 16950 -81.7 -88.7 29 7.0 -81.7 25 12 375.3 375.3 301.5 375.3 0.00 45 84 17642 -82.3 -89.3 29 7.0 -82.3 171 11 387.6 387.6 303.4 387.6 0.00 46 81 17846 -81.3 -91.3 17 10.0 -81.3 207 12 393.7 393.7 304.3 393.7 0.00 47 78 18062 -75.1 -89.1 10 14.0 -75.2 238 12 410.8 410.8 306.6 410.8 0.00 48 76 18214 -74.7 -90.7 7 16.0 -74.7 260 12 414.7 414.7 307.1 414.7 0.00 49 70 18690 -77.3 -90.3 11 13.0 -77.3 240 27 419.0 419.0 307.6 419.0 0.00 50 68 18856 -77.7 -90.7 11 13.0 -77.7 244 29 421.6 421.6 307.9 421.6 0.00 51 62 19394 -69.9 -90.9 3 21.0 -70.0 234 12 450.2 450.2 310.8 450.2 0.00 52 57 19896 -68.1 -90.1 3 22.0 -68.3 278 17 465.2 465.2 312.3 465.3 0.00 53 52 20445 -69.7 -90.7 3 21.0 -69.9 301 19 473.9 473.9 313.0 473.9 0.00 54 50 20680 -66.5 -91.5 2 25.0 -66.8 305 19 486.8 486.8 314.0 486.8 0.00 55 49 20803 -64.7 -90.7 2 26.0 -65.0 305 19 493.9 493.9 314.5 493.9 0.00 56 43 21604 -62.7 -89.7 1 27.0 -63.2 273 25 517.6 517.6 316.1 517.6 0.00 57 36 22687 -67.5 -90.5 2 23.0 -67.8 255 25 532.1 532.1 317.1 532.2 0.00 58 32 23401 -65.1 -91.1 2 26.0 -65.5 255 11 556.8 556.8 318.5 556.8 0.00 TRP 95 16950 -81.7 -88.7 29 7.0 -81.7 25 12 375.3 375.3 301.5 375.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 557.79 mb = 5042.38 m = 16543.03 ft Wetbulb zero: 629.00 mb = 4064.87 m = 13336.02 ft Precipitable water: 2.02 inches Sfc-500 mean rel hum: 66.70 % Est. max temperature: 31.77 C = 89.19 F Sfc-Lift cond lev (LCL): 950.85 mb = 559.56 m = 1835.79 ft T: 23.37 C 700-500 lapse rate: 5.96 C/km ThetaE index: 27.13 C Layer 1000.0- 756.0 mb Conv cond level (CCL): 921.19 mb = 836.72 m = 2745.11 ft Mean mixing ratio: 18.09 g/kg Conv temperature: 29.40 C = 84.91 F Cap Strength: 0.31 C Lifted Index: -2.91 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.96 C Lifted Index @700 mb: 0.20 C Showalter Index: 0.48 C Risk: Thunderstorms probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 20.30 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 242.00 Risk: None Energy Index: -2.11 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1219.06 J/kg Max Up Vert Vel: 49.38 m/s Conv Inhibition (B-): 0.83 J/kg Cap Strength: 0.31 C Lift Cond Lev (LCL): 930.89 mb = 745.45 m = 2445.68 ft Lev Free Conv (LFC): 905.89 mb = 981.73 m = 3220.85 ft Equ Level (EL): 695.89 mb = 3226.35 m = 10584.99 ft B at Equ Level: 76.74 J/kg Max Parcel Lev (MPL): 85.89 mb = 17516.55 m = 57468.31 ft Wind level data Storm motion: 131 at 10 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 56 135 5 -3.5 3.5 | 307 5 4.3 -3.2 1 1000 114 125 7 -5.7 4.0 | 322 3 2.1 -2.7 2 979 305 125 14 -11.5 8.0 | 109 4 -3.6 1.3 3 945 610 120 18 -15.6 9.0 | 106 8 -7.7 2.2 4 925 801 110 20 -18.8 6.8 | 90 11 -10.9 0.1 5 913 914 110 20 -18.8 6.8 | 90 11 -10.9 0.1 6 850 1533 105 18 -17.4 4.7 | 78 10 -9.5 -2.1 7 821 1829 100 15 -14.8 2.6 | 59 8 -6.9 -4.2 8 792 2134 115 17 -15.4 7.2 | 93 8 -7.6 0.4 9 764 2438 100 17 -16.7 3.0 | 67 10 -8.9 -3.8 10 711 3048 120 12 -10.4 6.0 | 73 3 -2.5 -0.8 11 700 3177 110 14 -13.2 4.8 | 70 6 -5.3 -2.0 12 612 4267 95 10 -10.0 0.9 | 20 6 -2.1 -5.9 13 590 4572 100 8 -7.9 1.4 | 0 5 -0.0 -5.4 14 507 5791 50 14 -10.7 -9.0 | 10 16 -2.9 -15.8 15 500 5910 80 14 -13.8 -2.4 | 33 11 -5.9 -9.2 16 488 6096 80 14 -13.8 -2.4 | 33 11 -5.9 -9.2 17 433 7010 50 23 -17.6 -14.8 | 24 24 -9.8 -21.5 18 400 7630 65 25 -22.7 -10.6 | 41 23 -14.8 -17.3 19 369 8230 85 25 -24.9 -2.2 | 62 19 -17.1 -8.9 20 313 9449 100 19 -18.7 3.3 | 72 11 -10.9 -3.5 21 300 9760 105 32 -30.9 8.3 | 94 23 -23.1 1.5 22 287 10058 105 32 -30.9 8.3 | 94 23 -23.1 1.5 23 252 10973 100 21 -20.7 3.6 | 76 13 -12.8 -3.1 24 250 11030 90 19 -19.0 0.0 | 59 13 -11.2 -6.8 25 241 11278 85 18 -17.9 -1.6 | 50 13 -10.1 -8.3 26 230 11582 100 14 -13.8 2.4 | 54 7 -5.9 -4.3 27 220 11887 85 13 -13.0 -1.1 | 33 9 -5.1 -7.9 28 200 12510 100 19 -18.7 3.3 | 72 11 -10.9 -3.5 29 191 12802 110 20 -18.8 6.8 | 90 11 -10.9 0.1 30 165 13716 100 22 -21.7 3.8 | 78 14 -13.8 -2.9 31 157 14021 75 12 -11.6 -3.1 | 21 11 -3.7 -9.9 32 150 14310 225 9 6.4 6.4 | 272 14 14.2 -0.4 33 150 14326 120 3 -2.6 1.5 | 315 7 5.3 -5.3 34 142 14630 215 10 5.7 8.2 | 264 14 13.6 1.4 35 135 14935 205 13 5.5 11.8 | 249 14 13.3 5.0 36 115 15850 205 2 0.8 1.8 | 300 10 8.7 -4.9 37 100 16660 40 13 -8.4 -10.0 | 2 17 -0.5 -16.7 38 98 16764 30 11 -5.5 -9.5 | 352 16 2.3 -16.3 39 95 16950 25 12 -5.1 -10.9 | 351 18 2.8 -17.6 40 93 17069 35 13 -7.5 -10.6 | 359 17 0.4 -17.4 41 88 17374 75 3 -2.9 -0.8 | 327 9 5.0 -7.5 42 84 17678 180 12 0.0 12.0 | 236 9 7.8 5.2 43 75 18288 270 12 12.0 -0.0 | 289 21 19.8 -6.8 44 71 18593 255 33 31.9 8.5 | 267 40 39.7 1.8 45 70 18690 240 27 23.4 13.5 | 258 32 31.2 6.7 46 68 18898 245 30 27.2 12.7 | 260 36 35.0 5.9 47 64 19202 210 12 6.0 10.4 | 255 14 13.8 3.6 48 61 19507 245 12 10.9 5.1 | 275 19 18.7 -1.7 49 55 20117 295 20 18.1 -8.5 | 300 30 26.0 -15.2 50 50 20680 305 19 15.6 -10.9 | 307 29 23.4 -17.7 51 47 21031 305 18 14.7 -10.3 | 307 28 22.6 -17.1 52 44 21336 275 24 23.9 -2.1 | 286 33 31.8 -8.8 53 39 21946 255 32 30.9 8.3 | 268 39 38.8 1.5 54 32 22860 255 11 10.6 2.8 | 282 19 18.5 -3.9 55 28 23470 205 7 3.0 6.3 | 272 11 10.8 -0.4 56 26 23774 175 13 -1.1 13.0 | 227 9 6.7 6.2 Wind Parameters Mean winds (0-6000m): 100.7 at 13.8 knts Storm direction: 130.7 at 10.4 knts Shear (0-3000m) pos: 1.3 neg: 2.4 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 126.6 deg Storm rel helicity (0-3000m) pos: 12.7 neg: -27.1 tot: -14.4 m^2/s^2 ave: -4.8 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 0.1 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 313.52 Bulk Shear: 3.89 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 ------------------------------------------------------------------------------- 500 124 13 95 3| 0.0 12.9 12.9| 3.0 -0.4 2.6 5.2 0.50| 13.9 7.0 1000 117 16 94 6| 0.0 7.8 7.8| 3.0 -8.4 -5.4 -5.4 0.19| 9.6 1.9 1500 113 17 89 8| 0.0 4.7 4.7| 3.0 -13.8 -10.8 -7.2 0.08| 7.2 0.6 2000 111 17 84 8| 0.6 3.5 4.1| 9.1 -19.0 -10.0 -5.0 0.09| 6.9 0.6 2500 110 17 83 8| 0.5 2.9 3.3| 11.7 -27.0 -15.4 -6.1 0.00| 6.8 0.0 3000 110 16 81 7| 1.3 2.4 3.7| 12.7 -27.1 -14.4 -4.8 0.02| 6.6 0.1 4000 109 15 75 7| 1.0 1.9 2.9| 12.7 -33.6 -20.8 -5.2 -0.08| 5.8 -0.5 5000 107 14 65 6| 1.0 1.9 2.9| 15.6 -37.8 -22.2 -4.4 -0.09| 5.3 -0.5 6000 101 14 54 7| 0.9 1.9 2.7| 33.6 -42.2 -8.6 -1.4 -0.01| 5.7 -0.1 Wrote GIF file: /home/apache/climate/data/raob//SBFN/skewt/SBFN.skewt.20250424.12.gif