UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 20 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 69 SFC 981 243 26.2 13.2 45 13.0 17.8 70 6 301.0 302.8 291.6 329.8 9.76 2 975 297 30.2 10.2 29 20.0 17.5 79 9 305.6 307.0 291.6 329.8 8.03 3 969 352 30.4 8.4 25 22.0 16.8 78 10 306.3 307.6 291.2 328.0 7.15 4 925 761 26.4 11.4 39 15.0 16.7 55 15 306.3 308.0 292.8 334.0 9.19 5 905 953 24.8 9.8 39 15.0 15.4 52 16 306.6 308.2 292.3 332.1 8.43 6 869 1307 22.2 4.2 31 18.0 11.8 67 17 307.5 308.6 290.5 325.7 5.95 7 850 1499 22.2 -15.8 7 38.0 6.6 75 17 309.4 309.6 286.6 313.7 1.31 8 813 1883 20.0 -24.0 4 44.0 4.5 57 16 311.0 311.2 286.5 313.3 0.68 9 806 1957 19.8 -23.2 4 43.0 4.4 59 17 311.6 311.7 286.8 314.1 0.73 10 800 2021 20.4 61 17 312.9 11 700 3155 12.8 -20.2 8 33.0 0.6 45 20 316.7 316.9 288.9 320.4 1.10 12 637 3938 7.0 -24.0 9 31.0 -3.2 35 18 318.7 318.9 289.3 321.7 0.86 13 605 4360 4.6 4 10 320.7 14 549 5147 1.0 -27.0 10 28.0 -7.5 280 13 325.4 325.6 291.2 328.2 0.76 15 500 5890 -5.5 -20.5 30 15.0 -10.5 260 14 326.3 326.6 292.2 331.6 1.50 16 460 6534 -10.9 -24.9 31 14.0 -14.8 264 11 327.5 327.7 292.1 331.4 1.10 17 443 6822 -12.5 -25.5 33 13.0 -16.0 263 12 329.0 329.2 292.5 332.9 1.08 18 434 6977 -13.7 -30.7 22 17.0 -17.6 261 16 329.4 329.5 292.2 331.9 0.68 19 408 7442 -16.9 -27.9 38 11.0 -19.6 253 29 331.1 331.3 292.9 334.6 0.94 20 400 7590 -18.1 -21.3 76 3.2 -19.0 250 33 331.5 331.8 293.7 337.6 1.75 21 391 7760 -18.3 -30.3 34 12.0 -21.0 249 36 333.4 333.5 293.4 336.3 0.79 22 379 7992 -19.5 -34.5 25 15.0 -22.4 247 39 334.8 334.9 293.5 336.8 0.54 23 371 8150 -20.9 -24.9 70 4.0 -22.0 246 42 335.0 335.2 294.3 339.9 1.37 24 344 8705 -23.7 -36.7 29 13.0 -25.9 242 49 338.5 338.6 294.4 340.3 0.48 25 326 9095 -26.7 -43.7 18 17.0 -28.9 239 54 339.6 339.6 294.4 340.6 0.24 26 300 9690 -31.1 -46.1 21 15.0 -32.7 235 61 341.5 341.6 294.9 342.4 0.20 27 282 10126 -34.7 -50.7 18 16.0 -36.0 235 62 342.5 342.5 295.0 343.0 0.13 28 267 10507 -37.0 -55.2 13 18.3 -38.2 240 64 344.6 344.6 295.5 344.9 0.08 29 250 10960 -39.7 -60.7 9 21.0 -40.7 245 58 347.0 347.1 296.0 347.2 0.04 30 226 11647 -43.1 -71.1 3 28.0 -44.0 247 54 352.0 352.0 297.1 352.1 0.01 31 200 12460 -50.1 -73.1 5 23.0 -50.5 250 49 353.4 353.4 297.4 353.5 0.01 32 159 13920 -61.5 -78.5 9 17.0 -61.6 235 34 358.1 358.1 298.3 358.1 0.01 33 150 14280 -63.1 -80.1 8 17.0 -63.2 230 29 361.4 361.4 299.0 361.4 0.00 34 100 16680 -77.5 -90.5 11 13.0 -77.5 180 12 378.0 378.0 301.9 378.0 0.00 35 78 18089 -81.3 -91.3 17 10.0 -81.3 140 14 397.9 397.9 304.9 397.9 0.00 36 70 18700 -79.3 -90.3 15 11.0 -79.3 110 18 414.7 414.7 307.1 414.7 0.00 37 65 19120 -79.7 -90.7 15 11.0 -79.7 97 22 422.7 422.7 308.0 422.7 0.00 38 64 19209 -77.1 -89.1 13 12.0 -77.1 91 22 430.3 430.3 308.9 430.3 0.00 39 56 19979 -75.1 -90.1 8 15.0 -75.2 71 7 451.6 451.6 311.0 451.7 0.00 40 50 20650 -67.1 -89.1 3 22.0 -67.3 60 9 485.4 485.4 313.9 485.4 0.00 41 47 21027 -64.1 -89.1 2 25.0 -64.5 50 12 501.2 501.2 315.0 501.2 0.00 42 40 22024 -60.5 -86.5 2 26.0 -61.2 139 14 533.9 533.9 317.2 534.0 0.01 43 37 22508 -62.5 -87.5 2 25.0 -63.1 131 15 540.8 540.8 317.6 540.9 0.00 44 30 23820 -57.1 -85.1 2 28.0 -58.3 80 18 589.0 589.0 320.1 589.0 0.01 45 26 24731 -54.3 -83.3 2 29.0 -56.2 72 15 621.5 621.5 321.6 621.6 0.01 TRP 78 18089 -81.3 -91.3 17 10.0 -81.3 140 14 397.9 397.9 304.9 397.9 0.00 WND 267 10507 -37.0 -55.2 13 18.3 -38.2 240 64 344.6 344.6 295.5 344.9 0.08 Sounding variables and indices 1000-500 mb thick: 5821.00 m Freezing level: 541.46 mb = 5261.25 m = 17261.10 ft Wetbulb zero: 689.98 mb = 3274.77 m = 10743.86 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 19.53 % Est. max temperature: 35.38 C = 95.69 F Sfc-Lift cond lev (LCL): 810.81 mb = 1905.96 m = 6253.08 ft T: 19.94 C 700-500 lapse rate: 6.69 C/km ThetaE index: 20.68 C Layer 905.0- 806.0 mb Conv cond level (CCL): 575.91 mb = 4759.50 m = 15614.96 ft Mean mixing ratio: 8.16 g/kg Conv temperature: 48.17 C = 118.71 F Cap Strength: 8.63 C Lifted Index: 5.26 C Risk: None Lifted Index @300 mb: 8.61 C Lifted Index @700 mb: 8.15 C Showalter Index: 13.89 C Risk: None Total Totals Index: 17.40 C Risk: None Vertical Totals Index: 27.70 C Cross Totals Index: -10.30 C K Index: -21.10 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 3.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.86 J/kg Max Up Vert Vel: 3.42 m/s Conv Inhibition (B-): 23811.87 J/kg Cap Strength: 8.63 C Lift Cond Lev (LCL): 723.43 mb = 2875.41 m = 9433.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 66 at 11 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 ---------------------------------------------------------- 0 981 243 70 6 -5.6 -2.1 | 242 5 4.8 2.6 1 974 305 80 9 -8.9 -1.6 | 207 3 1.6 3.1 2 941 610 65 14 -12.7 -5.9 | 60 3 -2.2 -1.3 3 925 761 55 15 -12.3 -8.6 | 25 4 -1.8 -4.0 4 909 914 50 16 -12.3 -10.3 | 18 6 -1.8 -5.6 5 850 1499 75 17 -16.4 -4.4 | 92 6 -6.0 0.2 6 848 1524 75 18 -17.4 -4.7 | 90 7 -6.9 -0.0 7 818 1829 55 16 -13.1 -9.2 | 30 5 -2.6 -4.5 8 789 2134 65 18 -16.3 -7.6 | 63 7 -5.8 -3.0 9 761 2438 60 17 -14.7 -8.5 | 48 6 -4.3 -3.9 10 700 3155 45 20 -14.1 -14.1 | 21 10 -3.7 -9.5 11 683 3353 40 20 -12.9 -15.3 | 13 11 -2.4 -10.7 12 634 3962 35 18 -10.3 -14.7 | 359 10 0.1 -10.1 13 610 4267 5 10 -0.9 -10.0 | 299 11 9.6 -5.3 14 588 4572 360 10 -0.0 -10.0 | 297 12 10.5 -5.4 15 566 4877 280 11 10.8 -1.9 | 263 21 21.3 2.7 16 546 5182 280 14 13.8 -2.4 | 265 24 24.3 2.2 17 525 5486 255 12 11.6 3.1 | 251 23 22.1 7.8 18 500 5890 260 14 13.8 2.4 | 254 25 24.3 7.1 19 487 6096 260 15 14.8 2.6 | 254 26 25.2 7.3 20 449 6706 265 9 9.0 0.8 | 254 20 19.4 5.4 21 400 7590 250 33 31.0 11.3 | 249 44 41.5 15.9 22 366 8230 245 43 39.0 18.2 | 245 54 49.4 22.8 23 300 9690 235 61 50.0 35.0 | 237 72 60.4 39.6 24 297 9754 230 60 46.0 38.6 | 233 71 56.4 43.2 25 267 10507 240 64 55.4 32.0 | 241 75 65.9 36.6 26 261 10668 240 64 55.4 32.0 | 241 75 65.9 36.6 27 250 10960 245 58 52.6 24.5 | 245 69 63.0 29.2 28 200 12460 250 49 46.0 16.8 | 249 60 56.5 21.4 29 199 12497 255 52 50.2 13.5 | 253 63 60.7 18.1 30 150 14280 230 29 22.2 18.6 | 235 40 32.7 23.3 31 149 14326 225 30 21.2 21.2 | 231 41 31.7 25.9 32 134 14935 255 26 25.1 6.7 | 252 37 35.6 11.4 33 121 15545 215 14 8.0 11.5 | 229 25 18.5 16.1 34 115 15850 250 12 11.3 4.1 | 248 23 21.7 8.8 35 109 16154 265 8 8.0 0.7 | 254 19 18.4 5.3 36 104 16459 200 11 3.8 10.3 | 224 21 14.2 15.0 37 100 16680 180 12 0.0 12.0 | 212 20 10.5 16.6 38 93 17069 185 11 1.0 11.0 | 216 19 11.4 15.6 39 79 17983 125 16 -13.1 9.2 | 169 14 -2.6 13.8 40 78 18089 140 14 -9.0 10.7 | 185 15 1.5 15.4 41 75 18288 140 14 -9.0 10.7 | 185 15 1.5 15.4 42 71 18593 135 16 -11.3 11.3 | 177 16 -0.8 16.0 43 70 18700 110 18 -16.9 6.2 | 149 13 -6.4 10.8 44 64 19202 95 23 -22.9 2.0 | 118 14 -12.4 6.7 45 61 19507 30 11 -5.5 -9.5 | 314 7 5.0 -4.9 46 58 19812 65 4 -3.6 -1.7 | 247 7 6.8 3.0 47 52 20422 85 14 -13.9 -1.2 | 135 5 -3.5 3.4 48 50 20650 60 9 -7.8 -4.5 | 267 3 2.7 0.1 49 49 20726 90 12 -12.0 0.0 | 162 5 -1.5 4.6 50 47 21031 50 12 -9.2 -7.7 | 337 3 1.3 -3.1 51 45 21336 35 11 -6.3 -9.0 | 316 6 4.2 -4.4 52 43 21641 155 12 -5.1 10.9 | 199 16 5.4 15.5 53 41 21946 130 15 -11.5 9.6 | 176 14 -1.0 14.3 54 39 22250 160 10 -3.4 9.4 | 207 16 7.0 14.0 55 35 22860 95 22 -21.9 1.9 | 120 13 -11.5 6.6 56 33 23165 130 12 -9.2 7.7 | 186 12 1.3 12.4 57 32 23470 80 18 -17.7 -3.1 | 102 7 -7.3 1.5 58 30 23774 115 14 -12.7 5.9 | 168 11 -2.2 10.6 59 30 23820 80 18 -17.7 -3.1 | 102 7 -7.3 1.5 60 28 24079 110 18 -16.9 6.2 | 149 13 -6.4 10.8 61 26 24384 65 15 -13.6 -6.3 | 62 4 -3.1 -1.7 62 24 24689 125 18 -14.7 10.3 | 164 16 -4.3 15.0 63 23 24994 130 31 -23.7 19.9 | 152 28 -13.3 24.6 Wind Parameters Mean winds (0-6000m): 36.1 at 15.3 knts Storm direction: 66.1 at 11.5 knts Shear (0-3000m) pos: 0.7 neg: 2.5 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 135.5 deg Storm rel helicity (0-3000m) pos: 13.4 neg: -26.3 tot: -12.9 m^2/s^2 ave: -4.3 10^-3 m/s^2 rel: -0.30 Storm rel vorticity (0-3000m) horiz: 6.5 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.67 Bulk Shear: 8.76 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 68 12 114 0| 0.0 9.4 9.4| 0.0 -5.7 -5.7 -11.4 -0.77| 12.0 -9.3 1000 61 14 38 3| 1.4 4.7 6.1| 5.1 -6.4 -1.3 -1.3 -0.35| 8.9 -3.1 1500 64 15 58 4| 0.9 3.2 4.2| 8.7 -12.3 -3.6 -2.4 -0.29| 8.6 -2.5 2000 63 15 55 4| 1.0 2.4 3.5| 13.4 -15.3 -1.9 -0.9 -0.21| 7.8 -1.6 2500 62 16 52 5| 0.8 2.3 3.1| 13.4 -19.7 -6.2 -2.5 -0.26| 7.0 -1.8 3000 59 16 45 5| 0.7 2.5 3.2| 13.4 -26.3 -12.9 -4.3 -0.30| 6.5 -2.0 4000 53 17 28 6| 0.5 1.6 2.1| 13.4 -62.6 -49.1 -12.3 -0.48| 6.7 -3.2 5000 45 16 5 6| 0.4 2.4 2.8| 16.8-121.3-104.5 -20.9 -0.52| 7.3 -3.8 6000 36 15 349 8| 0.3 2.0 2.2| 25.8-149.6-123.7 -20.6 -0.50| 6.8 -3.4 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251220.00.gif