UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 19 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 109 SFC 986 243 24.6 21.9 85 2.7 22.7 330 5 299.0 302.1 296.3 348.6 17.01 2 925 793 21.2 19.4 89 1.8 19.9 345 13 301.0 303.8 295.8 346.6 15.51 3 850 1521 17.0 16.6 97 0.4 16.7 35 11 304.0 306.6 295.7 346.0 14.12 4 809 1943 14.2 13.8 97 0.4 14.0 54 12 305.3 307.6 294.8 342.3 12.36 5 700 3158 8.6 4.5 75 4.1 6.2 345 11 312.0 313.4 293.2 335.5 7.57 6 697 3193 8.4 4.3 75 4.1 6.0 347 11 312.2 313.6 293.2 335.4 7.49 7 669 3531 6.8 -2.2 53 9.0 2.2 322 17 314.1 315.0 291.6 329.5 4.87 8 664 3593 9.8 -9.2 25 19.0 1.1 310 19 318.1 318.7 291.0 327.5 2.87 9 529 5423 -6.7 -17.7 41 11.0 -10.5 233 16 319.7 320.0 290.5 325.7 1.80 10 518 5587 -8.5 -14.5 62 6.0 -10.7 232 20 319.4 319.9 291.0 327.4 2.40 11 500 5860 -10.3 -13.5 77 3.2 -11.5 240 30 320.5 321.0 291.6 329.5 2.70 12 467 6383 -13.1 -13.5 97 0.4 -13.3 250 44 323.3 323.9 292.5 333.0 2.89 13 431 6990 -15.7 -18.7 78 3.0 -16.7 255 63 327.5 327.9 292.9 334.5 2.03 14 412 7329 -17.3 -25.3 50 8.0 -19.4 255 66 329.7 329.9 292.8 333.9 1.19 15 408 7402 -17.3 -34.3 21 17.0 -20.7 255 67 330.6 330.7 292.4 332.5 0.51 16 400 7550 -18.5 -34.5 23 16.0 -21.6 255 68 330.9 331.0 292.5 332.9 0.51 17 374 8048 -22.9 -26.5 72 3.6 -23.7 252 69 331.5 331.8 293.3 335.8 1.17 18 337 8806 -28.5 -30.6 82 2.1 -28.9 263 65 333.9 334.1 293.6 337.2 0.89 19 300 9630 -35.1 -37.2 81 2.1 -35.4 275 66 335.9 336.0 293.8 337.9 0.52 20 280 10105 -39.7 -43.3 68 3.6 -40.0 275 63 336.0 336.0 293.6 337.1 0.30 21 252 10817 -44.7 -47.6 73 2.9 -44.9 268 62 338.8 338.9 294.2 339.7 0.21 22 250 10870 -45.1 -48.2 71 3.1 -45.3 265 63 339.0 339.1 294.3 339.8 0.19 23 240 11141 -46.5 -52.5 50 6.0 -46.8 258 77 340.9 340.9 294.7 341.4 0.12 24 235 11280 -46.9 -76.9 2 30.0 -47.5 255 85 342.3 342.3 294.9 342.4 0.00 25 200 12330 -53.1 -71.1 9 18.0 -53.4 245 91 348.7 348.7 296.4 348.7 0.01 26 197 12427 -53.8 -71.8 9 18.0 -54.1 240 93 349.0 349.0 296.4 349.1 0.01 27 191 12626 -55.3 -73.3 9 18.0 -55.6 241 92 349.8 349.8 296.6 349.8 0.01 28 150 14140 -63.7 -80.7 8 17.0 -63.8 250 74 360.3 360.3 298.8 360.4 0.00 29 126 15198 -69.3 -84.3 10 15.0 -69.4 253 63 368.6 368.6 300.3 368.7 0.00 30 117 15645 -66.5 -86.5 4 20.0 -66.6 261 61 381.7 381.7 302.5 381.7 0.00 31 101 16522 -73.3 -87.3 10 14.0 -73.3 266 59 385.0 385.0 303.1 385.0 0.00 32 100 16580 -73.9 -86.9 12 13.0 -73.9 265 59 384.9 384.9 303.1 385.0 0.00 33 87 17380 -79.9 -87.9 25 8.0 -79.9 265 57 388.5 388.5 303.6 388.5 0.00 34 83 17646 -80.5 -88.5 25 8.0 -80.5 260 58 392.6 392.6 304.2 392.6 0.00 35 74 18303 -75.1 -90.1 8 15.0 -75.2 238 38 417.0 417.0 307.4 417.0 0.00 36 72 18463 -70.9 -89.9 4 19.0 -71.0 259 32 429.2 429.2 308.7 429.2 0.00 37 70 18630 -71.7 -90.7 4 19.0 -71.8 280 25 431.0 431.0 308.9 431.0 0.00 38 69 18715 -70.7 -89.7 4 19.0 -70.8 278 24 434.9 434.9 309.4 434.9 0.00 39 68 18801 -71.3 -90.3 4 19.0 -71.4 277 24 435.4 435.4 309.4 435.4 0.00 40 61 19451 -66.5 -89.5 3 23.0 -66.7 261 25 459.9 459.9 311.8 459.9 0.00 41 57 19860 -67.7 -89.7 3 22.0 -67.9 234 15 466.2 466.2 312.3 466.2 0.00 42 53 20302 -63.3 -89.3 2 26.0 -63.7 227 11 486.1 486.1 314.0 486.2 0.00 43 51 20538 -63.7 -88.7 2 25.0 -64.1 277 13 490.6 490.6 314.2 490.6 0.00 44 50 20660 -63.1 -88.1 2 25.0 -63.5 330 16 494.8 494.8 314.6 494.8 0.00 45 37 22551 -54.1 -85.1 1 31.0 -55.6 108 6 562.4 562.4 318.8 562.4 0.01 46 35 22906 -55.9 -85.9 1 30.0 -57.2 57 11 566.7 566.7 319.0 566.7 0.01 47 30 23890 -54.5 -85.5 1 31.0 -56.2 90 10 596.1 596.1 320.5 596.1 0.01 48 23 25603 -51.7 -84.7 1 33.0 -54.4 134 15 651.4 651.4 322.7 651.5 0.01 TRP 87 17380 -79.9 -87.9 25 8.0 -79.9 265 57 388.5 388.5 303.6 388.5 0.00 WND 197 12427 -53.8 -71.8 9 18.0 -54.1 240 93 349.0 349.0 296.4 349.1 0.01 Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 583.82 mb = 4679.85 m = 15353.66 ft Wetbulb zero: 651.43 mb = 3746.66 m = 12292.05 ft Precipitable water: 1.84 inches Sfc-500 mean rel hum: 66.46 % Est. max temperature: 30.04 C = 86.07 F Sfc-Lift cond lev (LCL): 948.28 mb = 578.90 m = 1899.24 ft T: 22.52 C 700-500 lapse rate: 6.99 C/km ThetaE index: 22.83 C Layer 925.0- 518.0 mb Conv cond level (CCL): 885.30 mb = 1170.65 m = 3840.67 ft Mean mixing ratio: 15.81 g/kg Conv temperature: 28.16 C = 82.69 F Cap Strength: 2.05 C Lifted Index: -6.34 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.18 C Lifted Index @700 mb: -1.20 C Showalter Index: -5.87 C Risk: Severe thunderstorms possible Total Totals Index: 54.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 26.90 C K Index: 39.80 Risk: > 80 % chance of thunderstorms Sweat Index: 355.20 Risk: Showers and thunderstorms possible Energy Index: -3.28 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1431.08 J/kg Max Up Vert Vel: 53.50 m/s Conv Inhibition (B-): 10.97 J/kg Cap Strength: 1.84 C Lift Cond Lev (LCL): 909.43 mb = 939.19 m = 3081.30 ft Lev Free Conv (LFC): 844.43 mb = 1577.11 m = 5174.18 ft Equ Level (EL): 664.43 mb = 3587.52 m = 11769.94 ft B at Equ Level: 82.76 J/kg Max Parcel Lev (MPL): 114.43 mb = 15777.21 m = 51761.88 ft Wind level data Storm motion: 327 at 12 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 ---------------------------------------------------------- 0 986 243 330 5 2.5 -4.3 | 145 7 -4.3 6.1 1 979 305 335 7 3.0 -6.3 | 137 6 -3.8 4.1 2 945 610 350 14 2.4 -13.8 | 52 5 -4.3 -3.3 3 925 793 345 13 3.4 -12.6 | 58 4 -3.4 -2.1 4 912 914 345 13 3.4 -12.6 | 58 4 -3.4 -2.1 5 850 1521 35 11 -6.3 -9.0 | 96 13 -13.1 1.4 6 850 1524 40 10 -6.4 -7.7 | 102 13 -13.2 2.8 7 790 2134 60 13 -11.3 -6.5 | 102 18 -18.0 4.0 8 762 2438 50 12 -9.2 -7.7 | 100 16 -15.9 2.7 9 735 2743 55 11 -9.0 -6.3 | 105 16 -15.8 4.1 10 709 3048 335 8 3.4 -7.3 | 134 5 -3.4 3.2 11 700 3158 345 11 2.8 -10.6 | 88 4 -3.9 -0.2 12 683 3353 355 11 1.0 -11.0 | 85 6 -5.8 -0.5 13 658 3658 295 22 19.9 -9.3 | 265 13 13.2 1.2 14 633 3962 300 29 25.1 -14.5 | 282 19 18.4 -4.0 15 610 4267 300 22 19.1 -11.0 | 273 12 12.3 -0.5 16 587 4572 265 18 17.9 1.6 | 223 16 11.2 12.0 17 565 4877 265 20 19.9 1.7 | 227 18 13.2 12.2 18 544 5182 240 13 11.3 6.5 | 195 18 4.5 17.0 19 524 5486 230 17 13.0 10.9 | 196 22 6.3 21.4 20 500 5860 240 30 26.0 15.0 | 217 32 19.2 25.5 21 485 6096 245 31 28.1 13.1 | 222 32 21.3 23.6 22 447 6706 255 60 58.0 15.5 | 243 57 51.2 26.0 23 400 7550 255 68 65.7 17.6 | 245 65 58.9 28.1 24 380 7925 250 72 67.7 24.6 | 240 70 60.9 35.1 25 364 8230 255 64 61.8 16.6 | 244 61 55.1 27.0 26 300 9630 275 66 65.7 -5.8 | 265 59 59.0 4.7 27 258 10668 275 59 58.8 -5.1 | 264 52 52.0 5.3 28 250 10870 265 63 62.8 5.5 | 254 58 56.0 15.9 29 235 11278 255 85 82.1 22.0 | 247 82 75.4 32.5 30 200 12330 245 91 82.5 38.5 | 237 90 75.7 48.9 31 197 12427 240 93 80.5 46.5 | 232 93 73.8 57.0 32 195 12497 240 93 80.5 46.5 | 232 93 73.8 57.0 33 150 14140 250 74 69.5 25.3 | 240 72 62.8 35.8 34 131 14935 245 72 65.3 30.4 | 235 71 58.5 40.9 35 125 15240 255 61 58.9 15.8 | 243 58 52.2 26.2 36 107 16154 270 60 60.0 -0.0 | 259 54 53.2 10.5 37 100 16580 265 59 58.8 5.1 | 253 54 52.0 15.6 38 97 16764 265 59 58.8 5.1 | 253 54 52.0 15.6 39 87 17374 270 54 54.0 -0.0 | 258 48 47.2 10.5 40 87 17380 265 57 56.8 5.0 | 253 52 50.0 15.4 41 83 17678 260 58 57.1 10.1 | 248 54 50.4 20.5 42 74 18288 235 39 31.9 22.4 | 218 41 25.2 32.8 43 70 18630 280 25 24.6 -4.3 | 251 19 17.9 6.1 44 67 18898 275 23 22.9 -2.0 | 242 18 16.2 8.5 45 64 19202 280 33 32.5 -5.7 | 260 26 25.7 4.7 46 58 19812 235 15 12.3 8.6 | 196 20 5.5 19.1 47 52 20422 225 10 7.1 7.1 | 181 18 0.3 17.5 48 50 20660 330 16 8.0 -13.9 | 340 4 1.2 -3.4 49 49 20726 345 11 2.8 -10.6 | 88 4 -3.9 -0.2 50 47 21031 325 16 9.2 -13.1 | 318 4 2.4 -2.7 51 45 21336 235 13 10.6 7.5 | 192 18 3.9 17.9 52 39 22250 165 1 -0.3 1.0 | 148 13 -7.0 11.4 53 35 22860 55 11 -9.0 -6.3 | 105 16 -15.8 4.1 54 32 23470 75 12 -11.6 -3.1 | 112 20 -18.3 7.3 55 31 23774 20 10 -3.4 -9.4 | 96 10 -10.2 1.1 56 30 23890 90 10 -10.0 0.0 | 122 20 -16.8 10.5 57 27 24384 90 10 -10.0 0.0 | 122 20 -16.8 10.5 58 23 24994 135 15 -10.6 10.6 | 141 27 -17.4 21.1 59 20 25603 125 6 -4.9 3.4 | 140 18 -11.7 13.9 60 18 25908 105 21 -20.3 5.4 | 120 31 -27.0 15.9 Wind Parameters Mean winds (0-6000m): 297.1 at 16.6 knts Storm direction: 327.1 at 12.4 knts Shear (0-3000m) pos: 2.3 neg: 2.3 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): -59.5 deg Storm rel helicity (0-3000m) pos: 30.9 neg: -21.7 tot: 9.2 m^2/s^2 ave: 3.1 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -0.1 10^-3/s Energy-Hel index: 0.17 Bulk Rich Number: 70.79 Bulk Shear: 20.22 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 ------------------------------------------------------------------------------- 500 345 11 90 4| 8.8 0.0 8.8| 0.3 -8.4 -8.0 -16.1 -0.68| 10.6 -7.2 1000 350 12 77 5| 4.6 0.0 4.6| 5.3 -8.4 -3.1 -3.1 -0.25| 8.6 -2.1 1500 2 11 82 7| 3.8 0.0 3.8| 17.6 -9.0 8.5 5.7 -0.01| 8.3 -0.1 2000 17 12 86 10| 3.4 0.0 3.4| 19.2 -10.5 8.7 4.4 -0.01| 7.3 -0.1 2500 25 12 89 12| 2.7 0.3 3.1| 25.2 -12.4 12.7 5.1 0.02| 6.4 0.1 3000 22 11 90 11| 2.3 2.3 4.5| 30.9 -21.7 9.2 3.1 -0.01| 8.3 -0.1 4000 350 14 53 5| 2.0 4.1 6.1| 46.6 -48.1 -1.5 -0.4 -0.18| 10.7 -1.9 5000 327 15 324 2| 1.6 2.9 4.5| 50.4-138.9 -88.4 -17.7 -0.34| 11.1 -3.7 6000 297 17 250 9| 0.3 3.5 3.8|179.9-138.9 41.1 6.8 -0.15| 11.6 -1.7 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250419.00.gif