UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 25 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 89 SFC 983 243 18.2 17.2 94 1.0 17.5 90 6 292.8 295.0 291.3 328.7 12.66 2 976 304 17.4 16.9 97 0.5 17.1 75 9 292.6 294.8 291.2 328.1 12.50 3 963 417 19.2 15.3 78 3.9 16.7 58 10 295.5 297.6 291.3 328.4 11.42 4 925 759 17.0 14.8 87 2.2 15.5 40 11 296.7 298.8 291.7 330.0 11.52 5 908 917 16.0 14.7 92 1.3 15.1 50 11 297.2 299.4 292.0 331.0 11.66 6 853 1450 16.2 11.2 72 5.0 13.0 55 14 302.8 304.6 292.3 332.0 9.84 7 850 1480 15.8 11.1 74 4.7 12.9 55 14 302.7 304.5 292.2 331.8 9.81 8 788 2120 11.8 9.6 86 2.2 10.4 3 7 305.0 306.8 292.7 333.7 9.57 9 740 2646 10.8 4.8 66 6.0 7.3 268 2 309.5 310.9 292.2 331.9 7.31 10 700 3108 7.8 3.7 75 4.1 5.5 280 4 311.1 312.5 292.6 333.2 7.15 11 699 3120 7.6 3.6 76 4.0 5.3 277 4 311.0 312.4 292.5 333.0 7.11 12 593 4461 2.8 -14.2 27 17.0 -4.0 162 4 320.4 320.9 291.0 327.6 2.15 13 552 5036 -1.9 -17.9 28 16.0 -7.6 215 9 321.5 321.8 290.9 327.3 1.69 14 537 5255 -1.1 -42.1 3 41.0 -9.7 225 12 325.0 325.0 290.5 325.7 0.18 15 500 5820 -5.1 -40.1 4 35.0 -12.3 210 14 326.8 326.9 291.0 327.7 0.23 16 490 5979 -6.5 -39.5 5 33.0 -13.3 210 15 327.0 327.0 291.2 328.0 0.25 17 467 6355 -7.7 -47.7 2 40.0 -14.5 222 15 330.0 330.1 291.9 330.5 0.11 18 400 7540 -17.7 -48.7 5 31.0 -21.8 225 17 332.0 332.0 292.4 332.4 0.11 19 376 8000 -21.3 -53.3 4 32.0 -24.7 227 16 333.1 333.2 292.6 333.4 0.07 20 302 9583 -31.7 -60.7 4 29.0 -33.6 219 26 340.1 340.1 294.4 340.2 0.04 21 300 9630 -32.1 -60.1 4 28.0 -33.9 220 25 340.1 340.1 294.4 340.3 0.04 22 250 10880 -43.7 -61.7 12 18.0 -44.4 215 22 341.1 341.1 294.6 341.3 0.04 23 200 12350 -52.7 -73.7 6 21.0 -53.1 230 28 349.3 349.3 296.5 349.4 0.01 24 197 12447 -53.1 -74.1 6 21.0 -53.4 229 28 350.2 350.2 296.7 350.2 0.01 25 150 14150 -64.9 -79.9 11 15.0 -65.0 250 43 358.3 358.3 298.4 358.3 0.00 26 135 14787 -69.9 -81.9 16 12.0 -69.9 238 45 360.4 360.4 298.8 360.4 0.00 27 107 16149 -77.1 -86.1 22 9.0 -77.1 245 45 371.5 371.5 300.8 371.5 0.00 28 101 16482 -75.9 -87.9 13 12.0 -75.9 236 46 380.0 380.0 302.2 380.0 0.00 29 100 16540 -75.3 -87.3 14 12.0 -75.3 235 46 382.2 382.2 302.6 382.2 0.00 30 91 17093 -71.5 -89.5 5 18.0 -71.6 222 31 400.2 400.2 305.2 400.2 0.00 31 75 18219 -78.1 -90.1 13 12.0 -78.1 215 16 409.1 409.1 306.4 409.2 0.00 32 70 18620 -72.3 -90.3 5 18.0 -72.4 225 13 429.7 429.7 308.8 429.7 0.00 33 65 19056 -71.3 -90.3 4 19.0 -71.4 225 12 441.1 441.1 310.0 441.1 0.00 34 59 19626 -71.9 -90.9 4 19.0 -72.0 285 4 452.1 452.1 311.1 452.1 0.00 35 50 20620 -63.7 -89.7 2 26.0 -64.1 235 18 493.4 493.4 314.5 493.4 0.00 36 44 21415 -57.9 -87.9 1 30.0 -58.7 215 19 525.9 525.9 316.6 525.9 0.00 TRP 107 16149 -77.1 -86.1 22 9.0 -77.1 245 45 371.5 371.5 300.8 371.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5731.00 m Freezing level: 568.57 mb = 4803.53 m = 15759.41 ft Wetbulb zero: 638.78 mb = 3854.74 m = 12646.62 ft Precipitable water: 1.35 inches Sfc-500 mean rel hum: 56.62 % Est. max temperature: 28.69 C = 83.65 F Sfc-Lift cond lev (LCL): 968.82 mb = 366.27 m = 1201.65 ft T: 18.39 C 700-500 lapse rate: 4.76 C/km ThetaE index: 1.81 C Layer 740.0- 700.0 mb Conv cond level (CCL): 800.84 mb = 1983.39 m = 6507.10 ft Mean mixing ratio: 11.56 g/kg Conv temperature: 29.91 C = 85.84 F Cap Strength: 6.67 C Lifted Index: 6.25 C Risk: None Lifted Index @300 mb: 8.31 C Lifted Index @700 mb: 3.56 C Showalter Index: 5.25 C Risk: None Total Totals Index: 37.10 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 16.20 C K Index: 27.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 175.20 Risk: None Energy Index: -0.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.62 J/kg Max Up Vert Vel: 6.26 m/s Conv Inhibition (B-): 15388.52 J/kg Cap Strength: 6.62 C Lift Cond Lev (LCL): 900.37 mb = 989.29 m = 3245.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 189 at 7 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 ---------------------------------------------------------- 0 983 243 90 6 -6.0 0.0 | 46 10 -7.1 -6.7 1 976 305 75 9 -8.7 -2.3 | 47 13 -9.8 -9.1 2 941 610 30 13 -6.5 -11.3 | 23 20 -7.6 -18.0 3 925 759 40 11 -7.1 -8.4 | 28 17 -8.1 -15.2 4 908 914 50 11 -8.4 -7.1 | 35 17 -9.5 -13.8 5 850 1480 55 14 -11.5 -8.0 | 40 19 -12.5 -14.8 6 846 1524 65 13 -11.8 -5.5 | 46 18 -12.9 -12.2 7 815 1829 50 11 -8.4 -7.1 | 35 17 -9.5 -13.8 8 786 2134 360 7 -0.0 -7.0 | 4 14 -1.1 -13.7 9 758 2438 285 3 2.9 -0.8 | 346 8 1.8 -7.5 10 705 3048 235 1 0.8 0.6 | 2 6 -0.3 -6.2 11 700 3108 280 4 3.9 -0.7 | 339 8 2.9 -7.4 12 654 3658 155 10 -4.2 9.1 | 114 6 -5.3 2.3 13 606 4267 145 3 -1.7 2.5 | 33 5 -2.8 -4.3 14 541 5182 230 10 7.7 6.4 | 273 7 6.6 -0.3 15 521 5486 205 19 8.0 17.2 | 214 13 7.0 10.5 16 500 5820 210 14 7.0 12.1 | 228 8 5.9 5.4 17 482 6096 210 16 8.0 13.9 | 224 10 6.9 7.1 18 464 6401 225 15 10.6 10.6 | 248 10 9.5 3.9 19 428 7010 200 13 4.4 12.2 | 212 6 3.4 5.5 20 400 7540 225 17 12.0 12.0 | 244 12 11.0 5.3 21 379 7925 230 14 10.7 9.0 | 257 10 9.7 2.3 22 364 8230 215 25 14.3 20.5 | 224 19 13.3 13.7 23 334 8839 210 34 17.0 29.4 | 215 28 15.9 22.7 24 300 9630 220 25 16.1 19.2 | 230 19 15.0 12.4 25 295 9754 225 24 17.0 17.0 | 237 19 15.9 10.2 26 258 10668 225 20 14.1 14.1 | 240 15 13.1 7.4 27 250 10880 215 22 12.6 18.0 | 226 16 11.5 11.3 28 247 10973 215 21 12.0 17.2 | 226 15 11.0 10.5 29 215 11887 245 22 19.9 9.3 | 262 19 18.9 2.6 30 200 12350 230 28 21.4 18.0 | 241 23 20.4 11.3 31 186 12802 225 26 18.4 18.4 | 236 21 17.3 11.7 32 177 13106 255 24 23.2 6.2 | 271 22 22.1 -0.5 33 161 13716 265 33 32.9 2.9 | 277 32 31.8 -3.9 34 150 14150 250 43 40.4 14.7 | 259 40 39.3 8.0 35 131 14935 235 46 37.7 26.4 | 242 42 36.6 19.7 36 119 15545 265 35 34.9 3.1 | 276 34 33.8 -3.7 37 113 15850 265 40 39.8 3.5 | 275 39 38.8 -3.2 38 107 16149 245 45 40.8 19.0 | 253 42 39.7 12.3 39 100 16540 235 46 37.7 26.4 | 242 42 36.6 19.7 40 96 16764 235 52 42.6 29.8 | 241 48 41.5 23.1 41 91 17069 220 32 20.6 24.5 | 228 26 19.5 17.8 42 87 17374 250 21 19.7 7.2 | 269 19 18.7 0.4 43 82 17678 210 23 11.5 19.9 | 218 17 10.4 13.2 44 78 17983 225 16 11.3 11.3 | 246 11 10.2 4.6 45 70 18593 200 17 5.8 16.0 | 207 10 4.7 9.2 46 70 18620 225 13 9.2 9.2 | 253 8 8.1 2.5 47 67 18898 225 14 9.9 9.9 | 250 9 8.8 3.2 48 63 19202 225 10 7.1 7.1 | 267 6 6.0 0.3 49 57 19812 310 2 1.5 -1.3 | 357 8 0.5 -8.0 50 50 20620 235 18 14.7 10.3 | 255 14 13.7 3.6 51 49 20726 245 10 9.1 4.2 | 287 8 8.0 -2.5 52 46 21031 235 18 14.7 10.3 | 255 14 13.7 3.6 53 43 21336 200 19 6.5 17.9 | 206 12 5.4 11.1 54 40 21641 105 3 -2.9 0.8 | 34 7 -4.0 -6.0 Wind Parameters Mean winds (0-6000m): 159.0 at 9.1 knts Storm direction: 189.0 at 6.8 knts Shear (0-3000m) pos: 0.5 neg: 2.3 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -86.6 deg Storm rel helicity (0-3000m) pos: 34.8 neg: -98.2 tot: -63.4 m^2/s^2 ave: -21.1 10^-3 m/s^2 rel: -0.37 Storm rel vorticity (0-3000m) horiz: 8.6 stream: -3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.54 Bulk Shear: 36.52 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 47 11 32 17| 0.0 9.0 9.0| 5.5 -28.2 -22.7 -45.4 -0.37| 14.6 -5.4 1000 48 11 33 17| 1.7 4.5 6.2| 19.5 -28.2 -8.7 -8.7 -0.12| 9.3 -1.1 1500 51 12 36 17| 1.0 3.0 4.1| 31.7 -39.2 -7.5 -5.0 -0.09| 8.3 -0.7 2000 47 11 33 17| 0.8 3.3 4.1| 31.7 -85.8 -54.0 -27.0 -0.37| 9.6 -3.6 2500 44 9 30 16| 0.6 2.1 2.8| 33.0 -89.2 -56.2 -22.5 -0.33| 8.8 -3.0 3000 42 8 27 14| 0.5 2.3 2.8| 34.8 -98.2 -63.4 -21.1 -0.37| 8.6 -3.1 4000 61 8 37 13| 0.4 0.8 1.2| 34.8-113.5 -78.7 -19.7 -0.50| 9.1 -4.6 5000 73 8 43 12| 1.1 0.7 1.8| 36.6-116.2 -79.6 -15.9 -0.44| 8.7 -3.8 6000 159 9 112 5| 1.0 0.7 1.7| 47.0-134.6 -87.6 -14.6 -0.40| 8.6 -3.5 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250425.12.gif