UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for SBFN... Searching the city database file for: SBFN ... Date:1200Z 4 DEC 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 24.0 74 5.0 25.3 120 5 301.5 305.0 298.2 357.5 18.98 1 1000 119 26.4 22.8 81 3.6 23.8 120 5 299.5 302.8 297.0 351.4 17.74 2 930 755 20.6 19.4 93 1.2 19.8 107 20 299.9 302.7 295.5 345.0 15.42 3 925 802 20.6 18.3 87 2.3 19.0 105 20 300.4 303.0 295.0 342.8 14.46 4 877 1263 18.8 13.9 73 4.9 15.5 104 21 303.1 305.2 293.6 337.1 11.46 5 850 1531 16.8 14.0 84 2.8 15.0 95 20 303.7 305.9 294.1 339.2 11.91 6 817 1867 13.8 13.0 95 0.8 13.3 98 21 304.0 306.2 294.0 338.6 11.60 7 797 2076 13.0 11.3 89 1.7 11.9 88 19 305.3 307.3 293.6 337.2 10.62 8 779 2269 15.0 4.0 48 11.0 8.7 83 18 309.5 310.7 291.6 329.7 6.55 9 700 3168 10.2 -10.8 22 21.0 1.1 110 15 313.8 314.2 289.2 321.6 2.39 10 609 4312 4.4 -30.6 6 35.0 -5.4 69 14 319.8 319.9 289.2 321.6 0.49 11 538 5311 -0.5 -27.5 11 27.0 -8.4 109 13 325.5 325.7 291.2 328.2 0.74 12 500 5890 -5.7 -23.7 23 18.0 -11.2 180 11 326.1 326.3 291.7 330.1 1.13 13 495 5969 -6.3 -23.3 25 17.0 -11.5 186 10 326.3 326.5 291.9 330.5 1.18 14 458 6573 -7.9 -43.9 4 36.0 -14.6 180 7 331.6 331.7 292.3 332.3 0.17 15 400 7610 -15.3 -36.3 15 21.0 -19.5 240 15 335.1 335.2 293.5 336.7 0.43 16 375 8094 -19.3 -37.3 19 18.0 -22.5 247 16 336.1 336.1 293.7 337.6 0.41 17 359 8417 -21.5 -45.5 10 24.0 -24.8 245 14 337.3 337.4 293.9 338.0 0.18 18 302 9663 -32.9 -49.9 17 17.0 -34.4 235 7 338.4 338.4 294.0 338.9 0.13 19 300 9710 -32.9 -49.9 17 17.0 -34.4 235 7 339.0 339.0 294.2 339.5 0.13 20 291 9924 -33.9 -51.9 15 18.0 -35.3 185 10 340.5 340.6 294.6 341.0 0.11 21 269 10470 -37.9 -58.9 9 21.0 -39.1 165 19 342.5 342.5 295.0 342.7 0.05 22 250 10970 -42.3 -53.3 29 11.0 -42.9 165 26 343.2 343.2 295.2 343.6 0.11 23 239 11273 -45.1 -52.1 45 7.0 -45.4 165 26 343.4 343.4 295.3 343.9 0.13 24 227 11615 -47.5 -61.5 19 14.0 -48.0 155 31 344.8 344.8 295.5 345.0 0.04 25 219 11851 -49.5 -57.5 39 8.0 -49.8 155 36 345.3 345.3 295.7 345.6 0.07 26 200 12440 -54.1 -67.1 19 13.0 -54.4 165 41 347.1 347.1 296.0 347.2 0.02 27 188 12833 -56.1 -72.1 12 16.0 -56.3 167 33 350.1 350.1 296.7 350.1 0.01 28 150 14230 -65.7 -76.7 20 11.0 -65.8 235 23 356.9 356.9 298.1 356.9 0.01 29 131 15037 -73.5 -77.7 52 4.2 -73.5 231 25 357.1 357.1 298.1 357.1 0.01 30 120 15549 -74.1 -82.1 28 8.0 -74.1 235 28 365.0 365.0 299.7 365.0 0.00 31 101 16534 -81.9 -86.8 43 4.9 -81.9 270 49 368.4 368.4 300.3 368.4 0.00 32 100 16590 -82.5 -87.3 43 4.8 -82.5 270 51 368.3 368.3 300.2 368.3 0.00 33 88 17299 -84.7 -89.4 43 4.7 -84.7 235 21 377.6 377.6 301.9 377.6 0.00 34 70 18580 -78.9 -88.9 18 10.0 -78.9 100 26 415.6 415.6 307.2 415.6 0.00 35 68 18745 -79.3 -89.3 18 10.0 -79.3 107 31 418.2 418.2 307.5 418.2 0.00 36 58 19665 -71.5 -88.5 6 17.0 -71.6 92 4 455.3 455.3 311.3 455.3 0.00 37 50 20540 -71.7 -90.7 4 19.0 -71.8 80 35 474.5 474.5 313.0 474.5 0.00 38 49 20659 -71.7 -90.7 4 19.0 -71.8 83 24 477.3 477.3 313.2 477.3 0.00 39 38 22195 -61.9 -90.9 1 29.0 -62.5 84 57 538.2 538.2 317.4 538.3 0.00 40 35 22701 -64.1 -92.1 1 28.0 -64.6 90 52 545.3 545.3 317.8 545.3 0.00 41 30 23650 -61.9 -91.9 1 30.0 -62.6 90 61 575.9 575.9 319.5 575.9 0.00 42 21 25890 -57.5 -89.5 1 32.0 -59.2 93 70 651.0 651.0 322.7 651.1 0.01 43 20 26200 -56.0 -88.9 1 32.9 -58.0 90 70 664.7 664.7 323.2 664.7 0.01 44 17 27245 -51.1 -87.1 1 36.0 -54.6 88 67 712.1 712.1 324.8 712.2 0.01 45 15 28078 -41.1 -82.1 0 41.0 -49.0 84 62 771.3 771.3 326.5 771.6 0.03 46 14 28548 -40.1 -81.1 0 41.0 -48.8 81 60 790.1 790.1 327.0 790.4 0.04 47 11 30179 -44.3 -84.3 0 40.0 -52.0 108 22 831.2 831.2 328.0 831.5 0.03 TRP 88 17299 -84.7 -89.4 43 4.7 -84.7 235 21 377.6 377.6 301.9 377.6 0.00 WND 20 26200 -56.0 -88.9 1 32.9 -58.0 90 70 664.7 664.7 323.2 664.7 0.01 Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 545.24 mb = 5208.72 m = 17088.78 ft Wetbulb zero: 684.97 mb = 3346.32 m = 10978.61 ft Precipitable water: 1.46 inches Sfc-500 mean rel hum: 41.83 % Est. max temperature: 31.04 C = 87.87 F Sfc-Lift cond lev (LCL): 936.98 mb = 689.63 m = 2262.55 ft T: 21.20 C 700-500 lapse rate: 5.84 C/km ThetaE index: 20.43 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 895.00 mb = 1086.96 m = 3566.10 ft Mean mixing ratio: 16.11 g/kg Conv temperature: 29.52 C = 85.14 F Cap Strength: 1.15 C Lifted Index: -1.74 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.98 C Lifted Index @700 mb: 0.40 C Showalter Index: 1.43 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.70 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 219.00 Risk: None Energy Index: -1.70 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 423.81 J/kg Max Up Vert Vel: 29.11 m/s Conv Inhibition (B-): 11.26 J/kg Cap Strength: 1.53 C Lift Cond Lev (LCL): 922.10 mb = 829.17 m = 2720.35 ft Lev Free Conv (LFC): 857.10 mb = 1459.63 m = 4788.74 ft Equ Level (EL): 777.10 mb = 2289.73 m = 7512.14 ft B at Equ Level: 29.76 J/kg Max Parcel Lev (MPL): 587.10 mb = 4607.00 m = 15114.64 ft Wind level data Storm motion: 125 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 1007 56 120 5 -4.3 2.5 | 309 7 5.1 -4.1 1 1000 119 120 5 -4.3 2.5 | 309 7 5.1 -4.1 2 979 305 110 14 -13.2 4.8 | 64 4 -3.8 -1.8 3 946 610 115 19 -17.2 8.0 | 100 8 -7.8 1.4 4 925 802 105 20 -19.3 5.2 | 82 10 -9.9 -1.4 5 913 914 110 19 -17.9 6.5 | 89 8 -8.5 -0.1 6 881 1219 105 21 -20.3 5.4 | 84 11 -10.9 -1.2 7 850 1531 95 20 -19.9 1.7 | 65 12 -10.5 -4.9 8 821 1829 100 21 -20.7 3.6 | 75 12 -11.3 -3.0 9 791 2134 85 18 -17.9 -1.6 | 46 12 -8.5 -8.2 10 763 2438 80 19 -18.7 -3.3 | 43 14 -9.3 -9.9 11 736 2743 85 15 -14.9 -1.3 | 35 10 -5.5 -7.9 12 710 3048 110 14 -13.2 4.8 | 64 4 -3.8 -1.8 13 700 3168 110 15 -14.1 5.1 | 72 5 -4.7 -1.5 14 684 3353 105 16 -15.5 4.1 | 68 7 -6.1 -2.5 15 659 3658 50 10 -7.7 -6.4 | 352 13 1.7 -13.0 16 611 4267 70 14 -13.2 -4.8 | 18 12 -3.8 -11.4 17 567 4877 55 15 -12.3 -8.6 | 11 15 -2.9 -15.2 18 546 5182 90 13 -13.0 0.0 | 29 8 -3.6 -6.6 19 526 5486 140 13 -8.4 10.0 | 197 4 1.0 3.3 20 500 5890 180 11 0.0 11.0 | 245 10 9.4 4.4 21 487 6096 195 9 2.3 8.7 | 260 12 11.7 2.1 22 468 6401 180 5 0.0 5.0 | 280 10 9.4 -1.6 23 432 7010 180 12 0.0 12.0 | 240 11 9.4 5.4 24 400 7610 240 15 13.0 7.5 | 268 22 22.4 0.9 25 383 7925 250 15 14.1 5.1 | 274 24 23.5 -1.5 26 367 8230 245 17 15.4 7.2 | 269 25 24.8 0.6 27 352 8534 245 12 10.9 5.1 | 274 20 20.3 -1.5 28 300 9710 235 7 5.7 4.0 | 280 15 15.1 -2.6 29 298 9754 210 7 3.5 6.1 | 272 13 12.9 -0.6 30 285 10058 165 13 -3.4 12.6 | 225 8 6.0 5.9 31 250 10970 165 26 -6.7 25.1 | 188 19 2.7 18.5 32 250 10973 175 21 -1.8 20.9 | 208 16 7.6 14.3 33 228 11582 155 31 -13.1 28.1 | 170 22 -3.7 21.5 34 208 12192 155 42 -17.7 38.1 | 165 33 -8.3 31.5 35 200 12440 165 41 -10.6 39.6 | 178 33 -1.2 33.0 36 171 13411 170 21 -3.6 20.7 | 202 15 5.8 14.1 37 163 13716 180 17 0.0 17.0 | 222 14 9.4 10.4 38 150 14230 235 23 18.8 13.2 | 257 29 28.2 6.6 39 148 14326 225 22 15.6 15.6 | 250 27 25.0 8.9 40 120 15545 235 28 22.9 16.1 | 254 34 32.3 9.4 41 114 15850 270 31 31.0 -0.0 | 279 41 40.4 -6.6 42 100 16590 270 51 51.0 -0.0 | 276 61 60.4 -6.6 43 97 16764 270 51 51.0 -0.0 | 276 61 60.4 -6.6 44 88 17299 235 21 17.2 12.0 | 258 27 26.6 5.4 45 87 17374 250 27 25.4 9.2 | 266 35 34.8 2.6 46 82 17678 225 20 14.1 14.1 | 252 25 23.5 7.5 47 78 17983 155 30 -12.7 27.2 | 171 21 -3.3 20.6 48 70 18580 100 26 -25.6 4.5 | 83 16 -16.2 -2.1 49 70 18593 115 35 -31.7 14.8 | 110 24 -22.3 8.2 50 63 19202 85 21 -20.9 -1.8 | 54 14 -11.5 -8.4 51 60 19507 75 1 -1.0 -0.3 | 309 11 8.4 -6.9 52 54 20117 135 12 -8.5 8.5 | 206 2 0.9 1.9 53 51 20422 85 16 -15.9 -1.4 | 39 10 -6.5 -8.0 54 50 20540 80 35 -34.5 -6.1 | 63 28 -25.1 -12.7 55 48 20726 85 19 -18.9 -1.7 | 49 13 -9.5 -8.3 56 40 21946 80 62 -61.1 -10.8 | 71 55 -51.7 -17.4 57 36 22555 90 50 -50.0 0.0 | 81 41 -40.6 -6.6 58 30 23650 90 61 -61.0 0.0 | 83 52 -51.6 -6.6 59 23 25298 100 69 -68.0 12.0 | 95 59 -58.5 5.4 60 20 26200 90 70 -70.0 0.0 | 84 61 -60.6 -6.6 61 18 26518 90 70 -70.0 0.0 | 84 61 -60.6 -6.6 62 13 27737 80 58 -57.1 -10.1 | 71 51 -47.7 -16.7 63 11 28346 85 29 -28.9 -2.5 | 65 22 -19.5 -9.1 64 10 28651 140 11 -7.1 8.4 | 232 3 2.3 1.8 65 10 28956 265 10 10.0 0.9 | 287 20 19.4 -5.7 66 8 29566 315 5 3.5 -3.5 | 308 16 12.9 -10.1 67 8 29870 315 11 7.8 -7.8 | 310 22 17.2 -14.4 Wind Parameters Mean winds (0-6000m): 95.1 at 15.3 knts Storm direction: 125.1 at 11.5 knts Shear (0-3000m) pos: 1.4 neg: 2.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 115.7 deg Storm rel helicity (0-3000m) pos: 20.6 neg: -39.7 tot: -19.0 m^2/s^2 ave: -6.3 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 0.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 117.84 Bulk Shear: 3.60 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 ------------------------------------------------------------------------------- 500 113 12 45 3| 0.0 13.5 13.5| 9.6 0.0 9.6 19.2 0.74| 14.4 10.7 1000 111 16 80 5| 0.0 7.8 7.8| 10.8 -4.7 6.1 6.1 0.47| 9.7 4.6 1500 107 17 79 7| 0.0 5.4 5.4| 10.8 -16.4 -5.6 -3.7 0.21| 8.1 1.7 2000 104 18 75 8| 0.0 3.8 3.8| 15.0 -28.5 -13.5 -6.8 0.08| 7.5 0.6 2500 100 18 68 9| 0.0 2.9 2.9| 15.0 -36.9 -21.9 -8.8 -0.01| 6.9 -0.0 3000 99 18 64 9| 1.4 2.4 3.8| 20.6 -39.7 -19.0 -6.3 0.05| 7.3 0.3 4000 96 16 54 9| 1.1 2.4 3.5| 33.4 -70.1 -36.7 -9.2 -0.10| 8.0 -0.8 5000 90 16 45 9| 1.1 2.1 3.3| 48.1 -76.0 -27.9 -5.6 -0.05| 7.6 -0.4 6000 95 15 48 8| 2.6 1.8 4.3| 72.5 -76.0 -3.5 -0.6 0.14| 8.6 1.2 Wrote GIF file: /home/apache/climate/data/raob//SBFN/skewt/SBFN.skewt.20251204.12.gif