UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 17 DEC 25 Station: SBFI WMO ident: 83827 Latitude: -25.52 Longitude: -54.58 Elevation: 243.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 123 SFC 987 243 20.2 13.2 64 7.0 15.8 130 7 294.4 296.2 289.5 322.3 9.70 2 947 594 17.2 10.2 63 7.0 13.0 107 21 294.9 296.4 288.3 318.8 8.27 3 932 729 18.6 5.6 42 13.0 11.3 98 25 297.7 298.8 287.3 315.7 6.12 4 925 793 18.4 5.4 42 13.0 11.1 95 26 298.1 299.2 287.5 316.1 6.08 5 850 1513 15.0 4.0 48 11.0 8.9 15 13 301.9 303.0 288.7 319.9 6.00 6 847 1543 15.0 4.0 48 11.0 8.9 8 13 302.2 303.3 288.8 320.2 6.02 7 833 1683 14.2 -1.8 33 16.0 6.2 30 11 302.8 303.5 287.1 315.0 4.02 8 813 1888 16.2 62 9 307.0 9 757 2492 15.4 125 7 312.5 10 700 3147 10.4 -31.6 3 42.0 -1.6 185 14 314.0 314.1 287.2 315.4 0.39 11 500 5850 -8.7 -51.7 2 43.0 -14.9 255 15 322.4 322.4 289.6 322.7 0.06 12 498 5881 -8.9 -51.9 2 43.0 -15.1 254 15 322.6 322.6 289.6 322.8 0.06 13 400 7550 -17.1 -58.1 2 41.0 -21.5 275 33 332.8 332.8 292.5 332.9 0.04 14 363 8276 -18.5 -46.5 7 28.0 -22.6 271 53 340.3 340.3 294.6 340.9 0.16 15 339 8783 -21.3 -45.3 10 24.0 -24.8 273 58 343.2 343.2 295.3 344.0 0.20 16 300 9670 -29.7 -45.7 20 16.0 -31.5 265 60 343.5 343.6 295.4 344.4 0.21 17 299 9694 -30.1 -46.1 20 16.0 -31.9 265 60 343.3 343.3 295.3 344.1 0.20 18 283 10082 -33.5 -43.5 36 10.0 -34.6 265 63 343.8 343.9 295.5 345.0 0.29 19 268 10462 -36.3 -40.1 68 3.8 -36.7 265 65 345.2 345.3 296.0 346.9 0.43 20 250 10940 -40.1 -45.1 59 5.0 -40.5 265 67 346.4 346.5 296.1 347.6 0.27 21 239 11246 -42.3 -46.5 63 4.2 -42.6 265 68 347.6 347.7 296.3 348.6 0.25 22 231 11475 -43.9 -53.9 32 10.0 -44.5 265 69 348.6 348.6 296.4 349.0 0.11 23 220 11801 -45.8 -59.4 20 13.6 -46.4 265 71 350.5 350.5 296.8 350.7 0.06 24 210 12110 -47.7 -64.7 12 17.0 -48.2 265 67 352.3 352.3 297.1 352.4 0.03 25 200 12430 -50.1 -65.1 15 15.0 -50.5 265 62 353.4 353.4 297.4 353.6 0.03 26 184 12970 -54.5 -72.5 9 18.0 -54.8 265 57 354.8 354.8 297.7 354.9 0.01 27 150 14250 -64.7 -75.7 21 11.0 -64.8 290 51 358.6 358.6 298.4 358.7 0.01 28 137 14796 -69.7 -77.7 30 8.0 -69.8 289 51 359.2 359.2 298.5 359.2 0.01 29 113 15927 -75.3 -88.3 11 13.0 -75.3 260 39 369.1 369.1 300.4 369.1 0.00 30 101 16573 -77.9 -89.9 13 12.0 -77.9 282 25 376.1 376.1 301.6 376.1 0.00 31 100 16630 -78.1 -90.1 13 12.0 -78.1 285 23 376.8 376.8 301.7 376.8 0.00 32 94 16981 -79.5 -89.5 18 10.0 -79.5 270 24 380.8 380.8 302.4 380.8 0.00 33 78 18047 -75.3 -87.3 14 12.0 -75.3 234 13 410.4 410.4 306.6 410.4 0.00 34 70 18670 -76.7 -88.7 13 12.0 -76.7 315 4 420.3 420.3 307.7 420.3 0.00 35 60 19557 -78.3 -89.3 15 11.0 -78.3 255 2 435.7 435.7 309.4 435.7 0.00 36 56 19953 -77.7 -89.7 13 12.0 -77.7 185 6 445.7 445.7 310.4 445.7 0.00 37 50 20620 -67.9 -89.9 3 22.0 -68.1 95 19 483.5 483.5 313.7 483.5 0.00 38 48 20866 -66.1 -89.1 3 23.0 -66.4 73 20 493.4 493.4 314.5 493.5 0.00 39 44 21396 -64.5 -88.5 2 24.0 -64.8 90 25 509.8 509.8 315.7 509.8 0.00 40 42 21679 -66.1 -89.1 3 23.0 -66.4 90 25 512.7 512.7 315.8 512.7 0.00 41 36 22628 -59.9 -87.9 1 28.0 -60.7 78 21 551.8 551.8 318.2 551.8 0.00 TRP 94 16981 -79.5 -89.5 18 10.0 -79.5 270 24 380.8 380.8 302.4 380.8 0.00 WND 220 11801 -45.8 -59.4 20 13.6 -46.4 265 71 350.5 350.5 296.8 350.7 0.06 Sounding variables and indices 1000-500 mb thick: 5727.00 m Freezing level: 591.10 mb = 4618.79 m = 15153.33 ft Wetbulb zero: 726.66 mb = 2834.06 m = 9297.99 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 18.40 % Est. max temperature: 28.31 C = 82.96 F Sfc-Lift cond lev (LCL): 889.81 mb = 1123.24 m = 3685.13 ft T: 16.84 C 700-500 lapse rate: 7.07 C/km ThetaE index: 6.58 C Layer 947.0- 925.0 mb Conv cond level (CCL): 604.10 mb = 4330.62 m = 14207.89 ft Mean mixing ratio: 7.37 g/kg Conv temperature: 43.51 C = 110.33 F Cap Strength: 12.10 C Lifted Index: 8.62 C Risk: None Lifted Index @300 mb: 18.27 C Lifted Index @700 mb: 10.67 C Showalter Index: 7.75 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 12.70 C K Index: -14.30 Risk: None Sweat Index: 89.00 Risk: None Energy Index: 0.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.08 J/kg Max Up Vert Vel: 7.49 m/s Conv Inhibition (B-): 25933.67 J/kg Cap Strength: 12.06 C Lift Cond Lev (LCL): 808.37 mb = 1936.50 m = 6353.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 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 ---------------------------------------------------------- 0 987 243 130 7 -5.4 4.5 | 62 10 -8.9 -4.7 1 980 305 135 7 -4.9 4.9 | 64 9 -8.4 -4.2 2 945 610 105 22 -21.3 5.7 | 82 25 -24.7 -3.5 3 925 793 95 26 -25.9 2.3 | 77 30 -29.4 -6.9 4 912 914 90 26 -26.0 0.0 | 73 31 -29.5 -9.2 5 850 1513 15 13 -3.4 -12.6 | 18 23 -6.9 -21.7 6 849 1524 5 13 -1.1 -13.0 | 12 23 -4.6 -22.1 7 790 2134 100 7 -6.9 1.2 | 53 13 -10.4 -7.9 8 761 2438 120 7 -6.1 3.5 | 59 11 -9.6 -5.7 9 708 3048 180 13 0.0 13.0 | 138 5 -3.5 3.8 10 700 3147 185 14 1.2 13.9 | 155 5 -2.3 4.8 11 657 3658 200 13 4.4 12.2 | 197 3 0.9 3.1 12 632 3962 185 13 1.1 13.0 | 148 4 -2.4 3.8 13 609 4267 195 11 2.8 10.6 | 156 2 -0.7 1.5 14 586 4572 195 10 2.6 9.7 | 119 1 -0.9 0.5 15 523 5486 250 13 12.2 4.4 | 298 10 8.7 -4.7 16 504 5791 255 15 14.5 3.9 | 296 12 11.0 -5.3 17 500 5850 255 15 14.5 3.9 | 296 12 11.0 -5.3 18 484 6096 250 13 12.2 4.4 | 298 10 8.7 -4.7 19 465 6401 250 12 11.3 4.1 | 303 9 7.8 -5.1 20 447 6706 240 16 13.9 8.0 | 276 10 10.4 -1.2 21 429 7010 270 19 19.0 -0.0 | 301 18 15.5 -9.2 22 400 7550 275 33 32.9 -2.9 | 292 32 29.4 -12.0 23 396 7620 280 28 27.6 -4.9 | 300 28 24.1 -14.0 24 380 7925 260 43 42.3 7.5 | 272 39 38.8 -1.7 25 365 8230 270 52 52.0 -0.0 | 281 49 48.5 -9.2 26 350 8534 275 57 56.8 -5.0 | 285 55 53.3 -14.1 27 300 9670 265 60 59.8 5.2 | 274 56 56.3 -3.9 28 296 9754 265 61 60.8 5.3 | 274 57 57.3 -3.8 29 250 10940 265 67 66.7 5.8 | 273 63 63.2 -3.3 30 220 11801 265 71 70.7 6.2 | 273 67 67.2 -3.0 31 217 11887 265 71 70.7 6.2 | 273 67 67.2 -3.0 32 200 12430 265 62 61.8 5.4 | 274 58 58.3 -3.8 33 180 13106 265 56 55.8 4.9 | 275 52 52.3 -4.3 34 150 14250 290 51 47.9 -17.4 | 301 52 44.4 -26.6 35 141 14630 295 52 47.1 -22.0 | 306 54 43.6 -31.1 36 120 15545 260 43 42.3 7.5 | 272 39 38.8 -1.7 37 108 16154 260 36 35.5 6.3 | 275 32 32.0 -2.9 38 100 16630 285 23 22.2 -6.0 | 309 24 18.7 -15.1 39 98 16764 290 23 21.6 -7.9 | 313 25 18.1 -17.0 40 94 16981 270 24 24.0 -0.0 | 294 22 20.5 -9.2 41 79 17983 230 13 10.0 8.4 | 277 7 6.5 -0.8 42 71 18593 270 11 11.0 -0.0 | 321 12 7.5 -9.2 43 70 18670 315 4 2.8 -2.8 | 3 12 -0.7 -12.0 44 61 19507 265 1 1.0 0.1 | 15 9 -2.5 -9.1 45 52 20422 105 12 -11.6 3.1 | 68 16 -15.1 -6.1 46 50 20620 95 19 -18.9 1.7 | 72 24 -22.4 -7.5 47 49 20726 70 19 -17.9 -6.5 | 54 26 -21.4 -15.7 48 43 21336 95 26 -25.9 2.3 | 77 30 -29.4 -6.9 49 38 21946 65 19 -17.2 -8.0 | 50 27 -20.7 -17.2 50 35 22250 85 22 -21.9 -1.9 | 66 28 -25.4 -11.1 51 33 22555 65 20 -18.1 -8.5 | 51 28 -21.6 -17.6 52 31 22860 80 25 -24.6 -4.3 | 64 31 -28.1 -13.5 Wind Parameters Mean winds (0-6000m): 170.9 at 13.1 knts Storm direction: 200.9 at 9.8 knts Shear (0-3000m) pos: 4.1 neg: 2.2 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 98.0 deg Storm rel helicity (0-3000m) pos: 111.9 neg: -250.8 tot: -138.9 m^2/s^2 ave: -46.3 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 15.2 stream: -0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.92 Bulk Shear: 30.43 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 ------------------------------------------------------------------------------- 500 109 16 78 19| 0.0 19.9 19.9| 14.5 -16.3 -1.8 -3.5 0.10| 21.6 2.2 1000 92 20 70 25| 0.0 9.8 9.8| 14.5-175.0-160.5 -160.5 -0.43| 21.7 -9.3 1500 81 18 61 24| 0.0 4.5 4.5| 50.7-250.8-200.1 -133.4 -0.38| 21.1 -7.9 2000 79 16 57 22| 2.7 3.3 6.0| 84.0-250.8-166.8 -83.4 -0.22| 18.7 -4.1 2500 85 14 59 20| 3.5 2.7 6.2| 98.9-250.8-151.9 -60.7 -0.13| 16.4 -2.1 3000 98 14 67 19| 4.1 2.2 6.3|111.9-250.8-138.9 -46.3 -0.03| 15.2 -0.4 4000 126 14 85 15| 3.0 1.9 4.9|114.6-253.5-139.0 -34.7 -0.03| 12.5 -0.3 5000 145 13 98 11| 2.5 1.5 4.0|117.0-253.8-136.8 -27.4 0.01| 11.0 0.1 6000 171 13 124 7| 2.2 1.3 3.5|122.3-254.9-132.7 -22.1 0.02| 9.8 0.2 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251217.12.gif