UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050400.upa.cvt Date: 0000Z 4 MAY 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 4 MAY 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 141 SFC 989 243 21.2 19.5 90 1.7 20.1 120 1 295.3 297.9 293.6 337.1 14.57 2 983 296 24.4 17.4 65 7.0 19.6 137 5 299.0 301.3 293.4 336.4 12.82 3 970 412 24.8 16.8 61 8.0 19.4 142 6 300.6 302.8 293.6 337.2 12.50 4 925 823 21.4 15.4 69 6.0 17.4 150 2 301.2 303.4 293.4 336.4 11.98 5 866 1391 16.8 12.2 74 4.6 13.8 91 4 302.1 304.0 292.4 332.8 10.36 6 850 1550 16.2 8.2 59 8.0 11.4 90 5 303.1 304.6 290.9 327.2 8.05 7 835 1701 15.2 5.2 51 10.0 9.5 90 6 303.6 304.8 289.9 323.6 6.65 8 718 2966 7.8 4.3 78 3.5 5.8 277 5 308.9 310.2 292.0 331.2 7.27 9 700 3175 6.6 -1.4 57 8.0 2.5 235 4 309.8 310.7 290.3 325.2 4.93 10 683 3377 6.0 -6.0 42 12.0 0.4 231 6 311.3 312.0 289.6 322.6 3.57 11 668 3559 7.6 -22.4 10 30.0 -2.5 227 9 315.1 315.3 288.2 318.3 0.95 12 597 4472 0.2 -10.8 43 11.0 -4.4 268 15 316.8 317.3 290.6 326.0 2.81 13 592 4540 1.8 -30.2 7 32.0 -7.0 269 15 319.4 319.5 289.2 321.3 0.52 14 586 4622 2.2 -32.8 5 35.0 -7.0 269 15 320.8 320.9 289.5 322.3 0.41 15 500 5880 -8.1 -43.1 4 35.0 -14.3 235 10 323.2 323.2 289.9 323.8 0.17 16 481 6180 -10.5 -44.5 4 34.0 -16.1 258 10 323.8 323.8 290.1 324.4 0.15 17 442 6828 -13.5 -47.5 4 34.0 -18.5 249 21 327.9 328.0 291.3 328.4 0.12 18 400 7580 -19.3 -43.3 10 24.0 -22.8 260 43 329.9 329.9 291.9 330.7 0.21 19 365 8251 -24.9 -35.9 35 11.0 -26.7 265 50 331.2 331.3 292.5 333.0 0.49 20 355 8453 -25.7 -56.7 4 31.0 -28.3 265 53 332.8 332.8 292.5 333.0 0.05 21 300 9650 -33.7 -60.7 5 27.0 -35.3 265 69 337.9 337.9 293.9 338.0 0.04 22 285 10008 -36.1 -61.1 6 25.0 -37.4 268 75 339.4 339.4 294.2 339.6 0.04 23 273 10307 -36.9 -54.9 14 18.0 -38.1 271 79 342.5 342.5 295.0 342.8 0.08 24 261 10617 -39.7 -48.7 38 9.0 -40.4 274 84 342.8 342.8 295.1 343.5 0.18 25 250 10910 -41.9 -57.9 16 16.0 -42.7 270 90 343.8 343.8 295.3 344.0 0.06 26 241 11157 -43.7 -64.7 8 21.0 -44.5 268 91 344.7 344.7 295.4 344.8 0.03 27 213 11973 -50.3 -64.3 18 14.0 -50.7 261 95 346.8 346.8 296.0 346.9 0.03 28 203 12284 -53.3 -59.3 48 6.0 -53.5 264 93 346.9 346.9 296.0 347.2 0.06 29 200 12380 -54.1 -60.1 48 6.0 -54.2 265 92 347.1 347.1 296.0 347.3 0.06 30 189 12742 -57.1 -61.3 59 4.2 -57.2 265 97 347.9 347.9 296.2 348.1 0.05 31 180 13049 -59.7 -62.4 71 2.7 -59.7 265 97 348.6 348.6 296.4 348.8 0.05 32 170 13405 -62.5 -71.5 29 9.0 -62.6 265 94 349.7 349.7 296.5 349.7 0.01 33 164 13627 -64.5 -71.5 38 7.0 -64.6 265 92 349.9 349.9 296.6 350.0 0.02 34 150 14170 -67.1 -79.1 17 12.0 -67.2 265 86 354.5 354.5 297.6 354.5 0.01 35 139 14629 -68.5 -82.5 12 14.0 -68.6 260 75 359.8 359.8 298.7 359.9 0.00 36 100 16570 -75.7 -87.7 14 12.0 -75.7 270 40 381.5 381.5 302.5 381.5 0.00 37 93 16988 -77.1 -88.1 16 11.0 -77.1 255 34 386.7 386.7 303.3 386.7 0.00 38 89 17242 -75.3 -88.3 11 13.0 -75.3 255 31 395.2 395.2 304.5 395.2 0.00 39 82 17713 -78.3 -89.3 15 11.0 -78.3 278 24 398.4 398.4 305.0 398.4 0.00 40 75 18227 -74.1 -90.1 7 16.0 -74.2 265 32 417.5 417.5 307.4 417.5 0.00 41 72 18465 -74.9 -90.9 7 16.0 -75.0 262 25 420.7 420.7 307.8 420.7 0.00 42 70 18630 -70.9 -89.9 4 19.0 -71.0 260 19 432.7 432.7 309.1 432.7 0.00 43 54 20179 -66.1 -91.1 2 25.0 -66.4 261 14 477.1 477.1 313.2 477.1 0.00 44 52 20409 -62.3 -90.3 1 28.0 -62.7 279 10 491.1 491.1 314.3 491.1 0.00 45 50 20650 -63.1 -90.1 1 27.0 -63.5 245 1 494.8 494.8 314.6 494.8 0.00 46 47 21030 -64.1 -90.1 2 26.0 -64.5 245 1 501.2 501.2 315.0 501.2 0.00 47 35 22859 -58.5 -89.5 1 31.0 -59.5 255 10 559.9 559.9 318.6 559.9 0.00 TRP 93 16988 -77.1 -88.1 16 11.0 -77.1 255 34 386.7 386.7 303.3 386.7 0.00 WND 189 12742 -57.1 -61.3 59 4.2 -57.2 265 97 347.9 347.9 296.2 348.1 0.05 Sounding variables and indices 1000-500 mb thick: 5739.00 m Freezing level: 567.63 mb = 4890.83 m = 16045.82 ft Wetbulb zero: 680.80 mb = 3403.10 m = 11164.88 ft Precipitable water: 1.17 inches Sfc-500 mean rel hum: 41.98 % Est. max temperature: 29.37 C = 84.87 F Sfc-Lift cond lev (LCL): 964.92 mb = 457.06 m = 1499.53 ft T: 24.42 C 700-500 lapse rate: 5.43 C/km ThetaE index: 13.61 C Layer 925.0- 718.0 mb Conv cond level (CCL): 805.06 mb = 2007.12 m = 6584.96 ft Mean mixing ratio: 12.09 g/kg Conv temperature: 30.78 C = 87.40 F Cap Strength: 3.23 C Lifted Index: 0.26 C Risk: Showers probable Lifted Index @300 mb: 2.61 C Lifted Index @700 mb: 0.13 C Showalter Index: 4.54 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 16.30 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 118.40 Risk: None Energy Index: -0.46 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.96 J/kg Max Up Vert Vel: 4.68 m/s Conv Inhibition (B-): 240.30 J/kg Cap Strength: 3.20 C Lift Cond Lev (LCL): 854.11 mb = 1508.84 m = 4950.20 ft Lev Free Conv (LFC): 489.11 mb = 6050.52 m = 19850.56 ft Equ Level (EL): 469.11 mb = 6371.78 m = 20904.55 ft B at Equ Level: 10.49 J/kg Max Parcel Lev (MPL): 439.11 mb = 6877.34 m = 22563.19 ft Wind level data Storm motion: 282 at 6 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 ---------------------------------------------------------- 0 989 243 120 1 -0.9 0.5 | 104 7 -6.9 1.8 1 982 305 140 6 -3.9 4.6 | 121 12 -9.9 5.9 2 948 610 145 5 -2.9 4.1 | 121 10 -8.9 5.4 3 925 823 150 2 -1.0 1.7 | 113 8 -7.0 3.0 4 915 914 95 1 -1.0 0.1 | 101 7 -7.0 1.4 5 850 1550 90 5 -5.0 0.0 | 97 11 -11.0 1.3 6 793 2134 90 9 -9.0 0.0 | 95 15 -15.0 1.3 7 764 2438 20 7 -2.4 -6.6 | 58 10 -8.4 -5.3 8 700 3175 235 4 3.3 2.3 | 142 5 -2.8 3.6 9 659 3658 225 10 7.1 7.1 | 187 8 1.0 8.4 10 611 4267 265 14 13.9 1.2 | 252 8 7.9 2.5 11 588 4572 270 15 15.0 -0.0 | 262 9 9.0 1.3 12 566 4877 265 14 13.9 1.2 | 252 8 7.9 2.5 13 545 5182 285 10 9.7 -2.6 | 290 4 3.6 -1.3 14 506 5791 235 10 8.2 5.7 | 197 7 2.1 7.0 15 500 5880 235 10 8.2 5.7 | 197 7 2.1 7.0 16 486 6096 255 9 8.7 2.3 | 216 4 2.6 3.6 17 467 6401 265 11 11.0 1.0 | 245 5 4.9 2.2 18 449 6706 245 20 18.1 8.5 | 231 16 12.1 9.7 19 414 7315 265 28 27.9 2.4 | 260 22 21.8 3.7 20 400 7580 260 43 42.3 7.5 | 256 37 36.3 8.7 21 398 7620 255 38 36.7 9.8 | 250 33 30.7 11.1 22 381 7925 265 48 47.8 4.2 | 263 42 41.8 5.5 23 365 8230 265 50 49.8 4.4 | 263 44 43.8 5.6 24 300 9650 265 69 68.7 6.0 | 263 63 62.7 7.3 25 259 10668 275 85 84.7 -7.4 | 274 79 78.6 -6.1 26 250 10910 270 90 90.0 -0.0 | 269 84 84.0 1.3 27 216 11887 260 95 93.6 16.5 | 259 89 87.5 17.8 28 200 12380 265 92 91.6 8.0 | 264 86 85.6 9.3 29 189 12742 265 97 96.6 8.5 | 264 91 90.6 9.7 30 178 13106 265 97 96.6 8.5 | 264 91 90.6 9.7 31 150 14170 265 86 85.7 7.5 | 264 80 79.6 8.8 32 146 14326 265 89 88.7 7.8 | 264 83 82.6 9.0 33 132 14935 255 60 58.0 15.5 | 252 55 51.9 16.8 34 119 15545 280 41 40.4 -7.1 | 280 35 34.3 -5.8 35 107 16154 255 47 45.4 12.2 | 251 42 39.4 13.4 36 100 16570 270 40 40.0 -0.0 | 268 34 34.0 1.3 37 97 16764 275 41 40.8 -3.6 | 274 35 34.8 -2.3 38 93 16988 255 34 32.8 8.8 | 249 29 26.8 10.1 39 87 17374 255 30 29.0 7.8 | 248 25 22.9 9.0 40 83 17678 280 23 22.7 -4.0 | 279 17 16.6 -2.7 41 78 17983 265 35 34.9 3.1 | 261 29 28.8 4.3 42 74 18288 265 31 30.9 2.7 | 261 25 24.8 4.0 43 70 18630 260 19 18.7 3.3 | 250 13 12.7 4.6 44 67 18898 255 17 16.4 4.4 | 241 12 10.4 5.7 45 64 19202 260 26 25.6 4.5 | 253 20 19.6 5.8 46 60 19507 260 24 23.6 4.2 | 253 18 17.6 5.4 47 57 19812 230 20 15.3 12.9 | 213 17 9.3 14.1 48 52 20422 280 10 9.8 -1.7 | 277 4 3.8 -0.5 49 50 20650 245 1 0.9 0.4 | 108 5 -5.1 1.7 50 46 21031 245 1 0.9 0.4 | 108 5 -5.1 1.7 51 40 21641 290 12 11.3 -4.1 | 298 6 5.2 -2.8 52 38 21946 265 11 11.0 1.0 | 245 5 4.9 2.2 53 29 23165 230 7 5.4 4.5 | 173 6 -0.7 5.8 Wind Parameters Mean winds (0-6000m): 252.0 at 8.2 knts Storm direction: 282.0 at 6.2 knts Shear (0-3000m) pos: 0.4 neg: 1.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 48.3 deg Storm rel helicity (0-3000m) pos: 8.4 neg: -43.3 tot: -34.8 m^2/s^2 ave: -11.6 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 7.3 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.70 Bulk Shear: 15.62 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 ------------------------------------------------------------------------------- 500 143 5 120 10| 2.4 0.0 2.4| 6.2 -1.7 4.5 9.1 0.26| 8.1 2.1 1000 134 3 113 9| 1.2 1.5 2.7| 6.2 -6.9 -0.7 -0.7 -0.04| 6.4 -0.2 1500 115 4 107 10| 0.8 1.8 2.6| 6.2 -8.4 -2.2 -1.4 -0.06| 5.4 -0.3 2000 103 5 102 11| 0.6 2.2 2.8| 6.2 -22.8 -16.6 -8.3 -0.22| 5.6 -1.2 2500 87 5 95 11| 0.5 1.8 2.3| 6.2 -43.3 -37.1 -14.8 -0.36| 7.1 -2.5 3000 88 5 96 11| 0.4 1.0 1.3| 8.4 -43.3 -34.8 -11.6 -0.19| 7.3 -1.4 4000 180 6 142 10| 0.7 1.4 2.1| 32.8 -43.3 -10.5 -2.6 0.07| 7.3 0.5 5000 252 8 201 4| 0.7 1.1 1.7| 41.6 -46.3 -4.7 -0.9 0.11| 6.8 0.8 6000 252 8 205 4| 0.8 1.2 2.0| 46.2 -55.7 -9.5 -1.6 0.05| 6.7 0.3 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250504.00.gif