UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101512.upa.cvt Date: 1200Z 15 OCT 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:1200Z 15 OCT 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 129 SFC 988 243 20.4 14.4 68 6.0 16.5 180 9 294.6 296.4 290.2 324.7 10.49 2 962 469 19.2 11.2 60 8.0 14.3 48 20 295.6 297.2 289.0 320.8 8.71 3 947 602 21.8 11.8 53 10.0 15.5 31 26 299.6 301.3 290.7 326.6 9.21 4 925 803 22.4 12.4 53 10.0 16.0 25 28 302.2 304.0 292.1 331.3 9.82 5 921 841 22.6 12.6 53 10.0 16.1 23 28 302.8 304.6 292.4 332.5 10.00 6 850 1534 17.4 11.4 68 6.0 13.6 5 27 304.4 306.2 292.9 334.3 10.01 7 847 1564 17.2 11.2 68 6.0 13.4 4 26 304.5 306.3 292.8 334.1 9.91 8 811 1934 16.0 1.0 36 15.0 7.9 345 19 307.0 308.0 289.5 322.6 5.07 9 794 2114 16.6 -26.4 4 43.0 2.5 327 15 309.5 309.6 285.8 311.4 0.56 10 783 2233 16.6 -15.4 10 32.0 3.7 322 12 310.7 311.0 287.3 315.6 1.47 11 765 2431 14.8 2.8 44 12.0 8.0 315 9 310.9 312.0 291.7 329.9 6.13 12 700 3174 8.8 5.4 79 3.4 6.8 295 12 312.2 313.8 293.6 337.2 8.06 13 685 3353 7.4 5.3 87 2.1 6.2 290 13 312.6 314.2 293.8 338.0 8.18 14 601 4415 0.4 -1.2 89 1.6 -0.4 265 19 316.4 317.6 293.0 335.0 5.84 15 592 4536 1.0 -6.0 59 7.0 -2.3 265 21 318.5 319.3 292.2 331.9 4.13 16 569 4854 -0.5 -6.5 64 6.0 -3.3 278 22 320.4 321.2 292.7 333.9 4.13 17 565 4910 0.6 -15.4 29 16.0 -5.6 280 22 322.3 322.7 291.5 329.2 2.04 18 552 5097 0.2 -22.8 16 23.0 -7.3 278 22 324.0 324.2 291.1 327.9 1.11 19 514 5663 -4.5 -18.5 33 14.0 -9.4 272 24 325.0 325.3 292.0 330.9 1.73 20 500 5880 -6.5 -21.5 29 15.0 -11.3 270 24 325.1 325.4 291.7 329.9 1.37 21 464 6460 -11.3 -33.3 14 22.0 -16.1 260 20 326.2 326.3 291.2 328.0 0.50 22 415 7306 -18.5 -24.5 59 6.0 -20.0 265 32 327.5 327.7 292.2 332.0 1.27 23 400 7580 -20.3 -29.3 44 9.0 -22.2 255 40 328.6 328.8 292.2 331.7 0.85 24 363 8290 -25.3 -49.3 9 24.0 -27.8 260 44 331.2 331.2 292.2 331.6 0.12 25 309 9435 -34.9 -39.7 62 4.8 -35.4 260 51 333.4 333.4 293.0 334.9 0.39 26 300 9640 -36.9 -44.9 43 8.0 -37.6 260 52 333.4 333.4 292.9 334.3 0.23 27 295 9757 -37.7 -47.7 34 10.0 -38.5 260 54 333.8 333.9 292.9 334.5 0.17 28 290 9876 -38.5 -55.5 15 17.0 -39.4 261 56 334.3 334.3 293.0 334.6 0.07 29 250 10890 -44.5 -58.5 20 14.0 -45.1 265 72 339.9 339.9 294.4 340.1 0.06 30 201 12308 -56.9 -64.9 36 8.0 -57.1 270 74 342.2 342.2 294.8 342.3 0.03 31 200 12340 -57.1 -66.1 31 9.0 -57.2 270 74 342.3 342.3 294.9 342.5 0.03 32 199 12372 -57.1 -67.1 27 10.0 -57.3 270 74 342.8 342.8 295.0 342.9 0.02 33 195 12500 -57.1 -70.1 18 13.0 -57.3 272 75 344.8 344.8 295.5 344.9 0.02 34 190 12663 -58.4 -68.7 26 10.3 -58.6 275 76 345.3 345.3 295.6 345.4 0.02 35 186 12797 -59.5 -67.5 35 8.0 -59.6 275 76 345.6 345.6 295.7 345.7 0.02 36 153 13999 -65.5 -78.5 15 13.0 -65.6 270 70 355.2 355.2 297.7 355.3 0.01 37 150 14120 -64.1 -81.1 8 17.0 -64.2 260 62 359.7 359.7 298.7 359.7 0.00 38 149 14161 -64.3 -81.3 8 17.0 -64.4 260 61 360.0 360.0 298.7 360.0 0.00 39 117 15601 -74.7 -82.7 28 8.0 -74.7 284 40 366.6 366.6 299.9 366.6 0.00 40 101 16453 -75.9 -85.9 19 10.0 -75.9 273 29 380.0 380.0 302.2 380.0 0.00 41 100 16510 -76.3 -85.3 23 9.0 -76.3 275 26 380.3 380.3 302.3 380.3 0.00 42 96 16746 -77.3 -85.3 27 8.0 -77.3 295 31 382.8 382.8 302.7 382.8 0.00 43 81 17733 -73.3 -88.3 8 15.0 -73.3 240 13 410.1 410.1 306.5 410.1 0.00 44 79 17881 -68.1 -88.1 4 20.0 -68.2 262 11 423.8 423.8 308.2 423.8 0.00 45 74 18275 -68.7 -89.7 3 21.0 -68.8 33 10 430.5 430.5 308.9 430.5 0.00 46 70 18610 -66.3 -89.3 3 23.0 -66.5 350 18 442.5 442.5 310.1 442.6 0.00 47 65 19063 -62.7 -88.7 2 26.0 -63.0 344 20 459.9 459.9 311.8 459.9 0.00 48 54 20199 -65.1 -90.1 2 25.0 -65.4 278 10 479.4 479.4 313.4 479.4 0.00 49 50 20670 -62.9 -89.9 1 27.0 -63.3 235 4 495.3 495.3 314.6 495.3 0.00 50 42 21742 -62.3 -89.3 2 27.0 -62.8 308 10 522.1 522.1 316.4 522.1 0.00 51 39 22203 -58.7 -88.7 1 30.0 -59.6 300 13 542.4 542.4 317.6 542.4 0.00 52 31 23644 -58.1 -88.1 1 30.0 -59.2 247 8 580.8 580.8 319.7 580.8 0.01 53 30 23850 -58.7 -87.7 1 29.0 -59.7 150 3 584.6 584.6 319.9 584.7 0.01 54 28 24282 -60.1 -89.1 1 29.0 -61.1 191 3 592.4 592.4 320.3 592.4 0.00 55 27 24511 -56.7 -88.7 1 32.0 -58.2 212 3 608.1 608.1 321.0 608.2 0.01 TRP 96 16746 -77.3 -85.3 27 8.0 -77.3 295 31 382.8 382.8 302.7 382.8 0.00 WND 190 12663 -58.4 -68.7 26 10.3 -58.6 275 76 345.3 345.3 295.6 345.4 0.02 Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 576.67 mb = 4747.86 m = 15576.78 ft Freezing level: 567.18 mb = 4879.39 m = 16008.30 ft Freezing level: 550.38 mb = 5120.95 m = 16800.81 ft Wetbulb zero: 606.70 mb = 4338.43 m = 14233.53 ft Precipitable water: 1.32 inches Sfc-500 mean rel hum: 56.27 % Est. max temperature: 30.89 C = 87.60 F Sfc-Lift cond lev (LCL): 904.14 mb = 1000.47 m = 3282.33 ft T: 21.40 C 700-500 lapse rate: 5.65 C/km ThetaE index: 22.87 C Layer 847.0- 783.0 mb Conv cond level (CCL): 688.28 mb = 3313.20 m = 10869.93 ft Mean mixing ratio: 9.64 g/kg Conv temperature: 38.30 C = 100.93 F Cap Strength: 8.26 C Lifted Index: 5.67 C Risk: None Lifted Index @300 mb: 4.62 C Lifted Index @700 mb: 5.15 C Showalter Index: 2.74 C Risk: Showers probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 17.90 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 214.80 Risk: None Energy Index: -0.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.05 J/kg Max Up Vert Vel: 9.49 m/s Conv Inhibition (B-): 25626.40 J/kg Cap Strength: 8.22 C Lift Cond Lev (LCL): 822.61 mb = 1813.08 m = 5948.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 14 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 ---------------------------------------------------------- 0 988 243 180 9 0.0 9.0 | 167 23 -5.0 22.3 1 981 305 70 12 -11.3 -4.1 | 119 19 -16.3 9.2 2 946 610 30 26 -13.0 -22.5 | 63 20 -18.0 -9.2 3 925 803 25 28 -11.8 -25.4 | 54 21 -16.9 -12.0 4 913 914 20 27 -9.2 -25.4 | 50 19 -14.3 -12.0 5 850 1534 5 27 -2.4 -26.9 | 29 15 -7.4 -13.6 6 821 1829 355 21 1.8 -20.9 | 23 8 -3.2 -7.6 7 792 2134 325 14 8.0 -11.5 | 238 4 3.0 1.9 8 764 2438 315 9 6.4 -6.4 | 191 7 1.3 7.0 9 700 3174 295 12 10.9 -5.1 | 215 10 5.8 8.3 10 611 4267 265 16 15.9 1.4 | 216 18 10.9 14.7 11 588 4572 265 22 21.9 1.9 | 228 23 16.9 15.2 12 566 4877 280 22 21.7 -3.8 | 240 19 16.6 9.5 13 500 5880 270 24 24.0 -0.0 | 235 23 19.0 13.3 14 486 6096 265 22 21.9 1.9 | 228 23 16.9 15.2 15 467 6401 260 19 18.7 3.3 | 219 22 13.7 16.6 16 414 7315 265 32 31.9 2.8 | 239 31 26.8 16.1 17 400 7580 255 40 38.6 10.4 | 235 41 33.6 23.7 18 381 7925 250 44 41.3 15.0 | 232 46 36.3 28.4 19 365 8230 260 44 43.3 7.6 | 241 44 38.3 21.0 20 300 9640 260 52 51.2 9.0 | 244 51 46.2 22.4 21 250 10890 265 72 71.7 6.3 | 254 70 66.7 19.6 22 200 12340 270 74 74.0 -0.0 | 259 70 69.0 13.3 23 190 12663 275 76 75.7 -6.6 | 265 71 70.7 6.7 24 186 12802 275 76 75.7 -6.6 | 265 71 70.7 6.7 25 152 14021 270 70 70.0 -0.0 | 258 66 65.0 13.3 26 150 14120 260 62 61.1 10.8 | 247 61 56.0 24.1 27 138 14630 255 53 51.2 13.7 | 240 53 46.1 27.0 28 118 15545 285 40 38.6 -10.4 | 265 34 33.6 3.0 29 106 16154 265 47 46.8 4.1 | 247 45 41.8 17.4 30 100 16510 275 26 25.9 -2.3 | 242 24 20.9 11.1 31 96 16746 295 31 28.1 -13.1 | 269 23 23.0 0.2 32 96 16764 275 26 25.9 -2.3 | 242 24 20.9 11.1 33 91 17069 275 35 34.9 -3.1 | 251 32 29.8 10.3 34 86 17374 265 28 27.9 2.4 | 235 28 22.8 15.8 35 82 17678 230 14 10.7 9.0 | 194 23 5.7 22.3 36 78 17983 275 10 10.0 -0.9 | 202 13 4.9 12.5 37 74 18288 35 10 -5.7 -8.2 | 115 12 -10.8 5.1 38 70 18593 345 15 3.9 -14.5 | 45 2 -1.2 -1.2 39 70 18610 350 18 3.1 -17.7 | 24 5 -1.9 -4.4 40 67 18898 355 18 1.6 -17.9 | 37 6 -3.5 -4.6 41 64 19202 335 21 8.9 -19.0 | 326 7 3.8 -5.7 42 58 19812 355 18 1.6 -17.9 | 37 6 -3.5 -4.6 43 55 20117 285 11 10.6 -2.8 | 208 12 5.6 10.5 44 50 20670 235 4 3.3 2.3 | 174 16 -1.8 15.6 45 45 21336 325 1 0.6 -0.8 | 160 13 -4.5 12.5 46 41 21946 300 14 12.1 -7.0 | 228 9 7.1 6.3 47 39 22250 300 13 11.3 -6.5 | 222 9 6.2 6.8 48 35 22860 15 19 -4.9 -18.4 | 63 11 -10.0 -5.0 49 32 23470 330 12 6.0 -10.4 | 198 3 1.0 2.9 50 30 23850 150 3 -1.5 2.6 | 158 17 -6.5 15.9 51 22 24994 325 4 2.3 -3.3 | 165 10 -2.8 10.1 Wind Parameters Mean winds (0-6000m): 309.3 at 19.0 knts Storm direction: 339.3 at 14.3 knts Shear (0-3000m) pos: 0.0 neg: 3.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 48.9 deg Storm rel helicity (0-3000m) pos: 7.8 neg: -252.2 tot: -244.4 m^2/s^2 ave: -81.5 10^-3 m/s^2 rel: -0.74 Storm rel vorticity (0-3000m) horiz: 13.7 stream: -10.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.45 Bulk Shear: 100.50 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 39 20 83 18| 0.0 36.7 36.7| 0.0-193.3-193.3 -386.6 -0.99| 40.7-40.3 1000 27 24 64 18| 0.0 18.4 18.4| 0.0-222.1-222.1 -222.1 -0.97| 24.0-23.1 1500 19 24 53 16| 0.0 10.9 10.9| 0.0-238.3-238.3 -158.9 -0.89| 18.9-16.8 2000 12 23 48 13| 0.0 5.2 5.2| 0.0-248.7-248.7 -124.4 -0.84| 18.3-15.4 2500 7 20 48 10| 0.0 3.5 3.5| 3.2-252.2-248.9 -99.6 -0.79| 15.7-12.5 3000 0 19 45 7| 0.0 3.1 3.1| 7.8-252.2-244.4 -81.5 -0.74| 13.7-10.1 4000 344 17 4 3| 0.0 2.3 2.3| 9.4-254.8-245.4 -61.3 -0.67| 11.2 -7.6 5000 324 18 284 6| 0.8 1.8 2.6| 55.1-257.6-202.6 -40.5 -0.51| 10.3 -5.2 6000 309 19 262 10| 0.7 1.2 1.9| 55.1-291.7-236.7 -39.4 -0.53| 9.2 -4.9 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251015.12.gif