UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 20 APR 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 113 SFC 986 243 22.8 21.4 92 1.4 21.8 150 4 297.1 300.1 295.5 344.8 16.49 2 975 340 24.4 19.4 74 5.0 20.9 146 14 299.7 302.4 295.0 342.7 14.70 3 960 474 24.2 17.2 65 7.0 19.4 151 18 300.8 303.2 294.0 338.9 12.96 4 925 795 21.8 16.8 73 5.0 18.4 150 22 301.6 304.0 294.4 340.3 13.12 5 897 1062 20.6 12.6 60 8.0 15.4 152 20 303.0 304.9 292.7 333.5 10.27 6 850 1525 16.8 13.9 83 2.9 14.9 130 15 303.7 305.9 294.0 338.9 11.83 7 762 2448 10.4 9.3 93 1.1 9.7 155 10 306.5 308.3 293.3 335.7 9.70 8 700 3153 7.2 1.2 66 6.0 3.9 225 10 310.5 311.6 291.4 329.0 5.97 9 663 3596 5.0 -1.0 65 6.0 1.9 250 13 312.8 313.9 291.6 329.7 5.37 10 645 3821 5.6 -19.4 15 25.0 -3.3 245 14 316.0 316.2 288.8 320.3 1.27 11 641 3871 5.2 -21.8 12 27.0 -3.8 244 14 316.1 316.3 288.6 319.7 1.04 12 628 4038 3.4 -8.6 41 12.0 -2.0 240 15 315.9 316.5 290.6 326.2 3.18 13 619 4154 3.2 -24.8 11 28.0 -5.4 238 16 317.0 317.1 288.7 319.8 0.83 14 610 4272 2.6 -26.4 10 29.0 -6.0 235 17 317.6 317.8 288.8 320.2 0.72 15 550 5099 -3.3 -30.3 10 27.0 -10.2 222 29 320.2 320.3 289.4 322.2 0.56 16 541 5229 -4.1 -17.1 36 13.0 -8.7 222 30 320.7 321.1 290.9 327.0 1.85 17 538 5272 -3.7 -26.7 15 23.0 -10.2 224 31 321.7 321.9 290.1 324.5 0.80 18 519 5556 -2.9 -36.9 5 34.0 -10.7 235 35 326.0 326.1 290.9 327.2 0.31 19 500 5850 -4.9 -28.9 13 24.0 -11.4 235 39 327.1 327.2 291.6 329.6 0.70 20 400 7560 -19.1 -33.1 28 14.0 -21.9 245 49 330.2 330.3 292.3 332.3 0.59 21 350 8536 -27.3 -36.3 42 9.0 -28.7 242 62 331.9 332.0 292.7 333.8 0.49 22 323 9108 -30.9 -47.9 17 17.0 -32.5 235 68 334.7 334.7 293.2 335.3 0.16 23 300 9630 -32.3 -54.3 9 22.0 -34.0 240 79 339.9 339.9 294.4 340.2 0.08 24 297 9701 -32.7 -53.7 10 21.0 -34.3 241 80 340.3 340.3 294.5 340.6 0.09 25 250 10890 -42.7 -56.7 20 14.0 -43.4 245 85 342.6 342.6 295.0 342.9 0.07 26 202 12306 -53.1 -62.1 33 9.0 -53.3 240 98 347.7 347.7 296.1 347.9 0.04 27 200 12370 -53.7 -62.7 32 9.0 -53.9 240 99 347.7 347.7 296.2 347.9 0.04 28 197 12467 -54.4 -65.1 26 10.7 -54.6 235 102 348.2 348.2 296.3 348.3 0.03 29 193 12598 -55.3 -68.3 18 13.0 -55.5 235 102 348.7 348.7 296.4 348.8 0.02 30 170 13401 -58.7 -77.7 7 19.0 -58.9 240 89 356.0 356.0 297.9 356.0 0.01 31 165 13588 -59.9 -77.9 8 18.0 -60.1 243 82 357.0 357.0 298.1 357.0 0.01 32 150 14180 -61.9 -83.9 4 22.0 -62.0 250 71 363.4 363.4 299.4 363.5 0.00 33 103 16410 -77.1 -88.1 16 11.0 -77.1 270 54 375.6 375.6 301.5 375.6 0.00 34 101 16523 -75.3 -89.3 9 14.0 -75.3 265 44 381.2 381.2 302.4 381.2 0.00 35 100 16580 -75.3 -89.3 9 14.0 -75.3 260 35 382.2 382.2 302.6 382.2 0.00 36 85 17519 -76.9 -89.9 11 13.0 -76.9 272 37 397.2 397.2 304.8 397.2 0.00 37 83 17657 -74.5 -89.5 8 15.0 -74.6 275 37 404.8 404.8 305.9 404.8 0.00 38 70 18640 -78.3 -90.3 13 12.0 -78.3 275 15 416.9 416.9 307.3 416.9 0.00 39 68 18804 -78.9 -89.9 15 11.0 -78.9 280 11 419.0 419.0 307.6 419.1 0.00 40 66 18973 -79.1 -91.1 12 12.0 -79.1 273 11 422.2 422.2 308.0 422.2 0.00 41 63 19241 -72.1 -90.1 5 18.0 -72.2 272 11 443.3 443.3 310.2 443.3 0.00 42 50 20640 -59.1 -88.1 1 29.0 -59.7 265 10 504.2 504.2 315.2 504.2 0.00 43 48 20896 -58.1 -87.1 1 29.0 -58.9 243 10 512.5 512.5 315.8 512.5 0.00 44 42 21731 -59.7 -87.7 1 28.0 -60.4 42 7 528.5 528.5 316.8 528.5 0.00 45 39 22198 -55.7 -86.7 1 31.0 -56.9 45 2 549.9 549.9 318.1 550.0 0.01 46 30 23870 -54.5 -85.5 1 31.0 -56.2 110 13 596.1 596.1 320.5 596.1 0.01 47 25 25042 -53.9 -84.9 1 31.0 -55.9 104 19 629.7 629.7 321.9 629.8 0.01 48 20 26490 -50.3 -83.3 1 33.0 -53.7 85 32 682.2 682.2 323.9 682.4 0.02 49 17 27558 -47.3 -82.3 1 35.0 -52.1 78 28 724.3 724.3 325.2 724.5 0.03 50 16 27958 -48.5 -82.5 1 34.0 -53.1 89 28 733.0 733.1 325.4 733.3 0.03 TRP 68 18804 -78.9 -89.9 15 11.0 -78.9 280 11 419.0 419.0 307.6 419.1 0.00 WND 197 12467 -54.4 -65.1 26 10.7 -54.6 235 102 348.2 348.2 296.3 348.3 0.03 Sounding variables and indices 1000-500 mb thick: 5737.00 m Freezing level: 583.56 mb = 4636.52 m = 15211.50 ft Wetbulb zero: 656.39 mb = 3678.10 m = 12067.10 ft Precipitable water: 1.43 inches Sfc-500 mean rel hum: 51.34 % Est. max temperature: 29.79 C = 85.63 F Sfc-Lift cond lev (LCL): 966.37 mb = 417.11 m = 1368.45 ft T: 24.29 C 700-500 lapse rate: 4.49 C/km ThetaE index: 9.94 C Layer 762.0- 663.0 mb Conv cond level (CCL): 815.80 mb = 1871.99 m = 6141.61 ft Mean mixing ratio: 12.74 g/kg Conv temperature: 30.41 C = 86.74 F Cap Strength: 2.65 C Lifted Index: 2.35 C Risk: None Lifted Index @300 mb: 2.48 C Lifted Index @700 mb: -0.09 C Showalter Index: 2.35 C Risk: Showers probable Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 18.80 C K Index: 29.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 235.80 Risk: None Energy Index: -1.79 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 97.95 J/kg Max Up Vert Vel: 14.00 m/s Conv Inhibition (B-): 65.03 J/kg Cap Strength: 2.58 C Lift Cond Lev (LCL): 857.22 mb = 1452.16 m = 4764.26 ft Lev Free Conv (LFC): 772.22 mb = 2335.72 m = 7663.03 ft Equ Level (EL): 662.22 mb = 3605.98 m = 11830.49 ft B at Equ Level: 21.10 J/kg Max Parcel Lev (MPL): 612.22 mb = 4243.07 m = 13920.65 ft Wind level data Storm motion: 239 at 15 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 ---------------------------------------------------------- 0 986 243 150 4 -2.0 3.5 | 75 15 -14.6 -4.0 1 979 305 145 13 -7.5 10.6 | 99 20 -20.0 3.2 2 945 610 155 22 -9.3 19.9 | 120 25 -21.9 12.5 3 925 795 150 22 -11.0 19.1 | 116 26 -23.6 11.6 4 912 914 150 21 -10.5 18.2 | 115 25 -23.1 10.8 5 881 1219 155 18 -7.6 16.3 | 114 22 -20.2 8.9 6 850 1524 130 17 -13.0 10.9 | 98 26 -25.6 3.5 7 850 1525 130 15 -11.5 9.6 | 95 24 -24.0 2.2 8 790 2134 140 11 -7.1 8.4 | 93 20 -19.6 1.0 9 762 2438 155 10 -4.2 9.1 | 96 17 -16.8 1.6 10 735 2743 205 7 3.0 6.3 | 84 10 -9.6 -1.1 11 700 3153 225 10 7.1 7.1 | 86 5 -5.5 -0.4 12 683 3353 255 11 10.6 2.8 | 23 5 -1.9 -4.6 13 609 4267 235 17 13.9 9.8 | 211 3 1.4 2.3 14 543 5182 220 30 19.3 23.0 | 203 17 6.7 15.5 15 523 5486 235 34 27.9 19.5 | 232 19 15.3 12.1 16 500 5850 235 39 31.9 22.4 | 232 24 19.4 14.9 17 484 6096 235 39 31.9 22.4 | 232 24 19.4 14.9 18 430 7010 255 47 45.4 12.2 | 262 33 32.8 4.7 19 400 7560 245 49 44.4 20.7 | 247 35 31.9 13.3 20 364 8230 245 58 52.6 24.5 | 247 44 40.0 17.1 21 321 9144 235 69 56.5 39.6 | 234 54 44.0 32.1 22 308 9449 245 65 58.9 27.5 | 247 50 46.4 20.0 23 300 9630 240 79 68.4 39.5 | 240 64 55.9 32.1 24 282 10058 245 87 78.8 36.8 | 246 72 66.3 29.3 25 250 10890 245 85 77.0 35.9 | 246 70 64.5 28.5 26 236 11278 245 88 79.8 37.2 | 246 73 67.2 29.8 27 200 12370 240 99 85.7 49.5 | 240 84 73.2 42.1 28 197 12467 235 102 83.6 58.5 | 234 87 71.0 51.1 29 187 12802 235 102 83.6 58.5 | 234 87 71.0 51.1 30 178 13106 235 101 82.7 57.9 | 234 86 70.2 50.5 31 161 13716 245 76 68.9 32.1 | 246 61 56.3 24.7 32 150 14180 250 71 66.7 24.3 | 253 57 54.2 16.8 33 139 14630 255 70 67.6 18.1 | 259 56 55.1 10.7 34 125 15240 265 77 76.7 6.7 | 271 64 64.1 -0.7 35 102 16459 270 53 53.0 -0.0 | 280 41 40.4 -7.4 36 100 16580 260 35 34.5 6.1 | 274 22 21.9 -1.4 37 97 16764 260 35 34.5 6.1 | 274 22 21.9 -1.4 38 83 17678 275 37 36.9 -3.2 | 294 27 24.3 -10.7 39 78 17983 310 42 32.2 -27.0 | 330 40 19.6 -34.4 40 70 18640 275 15 14.9 -1.3 | 345 9 2.4 -8.7 41 68 18804 280 11 10.8 -1.9 | 10 10 -1.7 -9.3 42 64 19202 265 11 11.0 1.0 | 14 7 -1.6 -6.5 43 60 19507 300 13 11.3 -6.5 | 5 14 -1.3 -13.9 44 57 19812 255 24 23.2 6.2 | 277 11 10.6 -1.2 45 55 20117 245 24 21.8 10.1 | 254 10 9.2 2.7 46 50 20640 265 10 10.0 0.9 | 22 7 -2.6 -6.6 47 49 20726 215 10 5.7 8.2 | 96 7 -6.8 0.8 48 47 21031 265 10 10.0 0.9 | 22 7 -2.6 -6.6 49 45 21336 40 11 -7.1 -8.4 | 51 25 -19.6 -15.9 50 39 22250 45 2 -1.4 -1.4 | 58 17 -14.0 -8.8 51 37 22555 95 10 -10.0 0.9 | 74 23 -22.5 -6.6 52 35 22860 70 11 -10.3 -3.8 | 64 25 -22.9 -11.2 53 32 23470 50 14 -10.7 -9.0 | 55 28 -23.3 -16.4 54 30 23774 50 12 -9.2 -7.7 | 55 27 -21.8 -15.1 55 30 23870 110 13 -12.2 4.4 | 83 25 -24.8 -3.0 56 29 24079 110 11 -10.3 3.8 | 81 23 -22.9 -3.7 57 26 24689 85 13 -13.0 -1.1 | 71 27 -25.5 -8.6 58 25 24994 105 18 -17.4 4.7 | 85 30 -29.9 -2.8 59 20 26490 85 32 -31.9 -2.8 | 77 46 -44.4 -10.2 60 20 26518 115 30 -27.2 12.7 | 98 40 -39.7 5.2 61 17 27127 75 28 -27.0 -7.2 | 70 42 -39.6 -14.7 62 15 27432 100 28 -27.6 4.9 | 86 40 -40.1 -2.6 63 13 28042 100 35 -34.5 6.1 | 88 47 -47.0 -1.4 Wind Parameters Mean winds (0-6000m): 209.4 at 19.5 knts Storm direction: 239.4 at 14.6 knts Shear (0-3000m) pos: 2.6 neg: 1.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -13.2 deg Storm rel helicity (0-3000m) pos: 85.3 neg: -79.0 tot: 6.3 m^2/s^2 ave: 2.1 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 0.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 2.29 Bulk Shear: 42.70 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 ------------------------------------------------------------------------------- 500 152 18 111 22| 18.5 0.0 18.5| 79.7 -5.8 73.9 147.8 0.74| 20.1 15.0 1000 152 19 113 23| 7.2 0.0 7.2| 79.7 -18.9 60.8 60.8 0.52| 12.5 6.4 1500 148 18 109 23| 4.8 2.3 7.1| 79.7 -65.4 14.3 9.5 0.15| 11.6 1.8 2000 146 16 106 23| 3.1 1.8 4.9| 81.5 -69.2 12.3 6.1 0.13| 9.7 1.2 2500 148 15 104 21| 2.4 1.4 3.8| 84.2 -76.3 7.8 3.1 0.06| 9.8 0.6 3000 154 14 105 19| 2.6 1.2 3.8| 85.3 -79.0 6.3 2.1 0.02| 9.3 0.2 4000 174 14 114 15| 2.3 0.3 2.7| 85.3 -84.2 1.1 0.3 -0.09| 8.3 -0.7 5000 193 16 132 12| 1.9 1.3 3.2| 92.3 -89.4 2.9 0.6 -0.07| 8.3 -0.6 6000 209 19 162 10| 2.6 1.1 3.7|143.6 -89.4 54.2 9.0 0.04| 8.2 0.3 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250420.00.gif