UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122200.upa.cvt Date: 0000Z 22 DEC 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 22 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 87 SFC 983 243 21.6 21.3 98 0.3 21.4 60 5 296.2 299.2 295.1 343.5 16.44 2 954 501 24.6 19.6 74 5.0 21.1 56 17 301.8 304.6 295.9 346.7 15.22 3 925 769 24.6 15.6 57 9.0 18.5 50 23 304.5 306.7 294.5 340.7 12.14 4 868 1325 22.0 11.0 50 11.0 14.9 30 25 307.3 309.1 293.4 336.2 9.54 5 850 1507 21.0 11.0 53 10.0 14.6 25 25 308.1 310.0 293.7 337.7 9.74 6 777 2280 18.0 7.0 49 11.0 11.2 8 21 312.9 314.5 293.9 338.1 8.11 7 700 3163 11.6 4.6 62 7.0 7.5 290 16 315.3 316.8 294.1 339.3 7.62 8 625 4100 4.6 3.3 91 1.3 3.8 272 21 317.7 319.2 294.9 342.4 7.79 9 522 5549 -3.1 -4.2 92 1.1 -3.7 268 31 325.2 326.3 295.0 342.9 5.38 10 500 5890 -4.5 -5.5 93 1.0 -5.0 270 30 327.6 328.6 295.4 344.5 5.09 11 478 6244 -6.9 -7.1 98 0.2 -7.0 271 29 328.8 329.8 295.4 344.6 4.70 12 400 7620 -14.5 -15.9 89 1.4 -15.0 270 29 336.1 336.7 295.7 345.9 2.77 13 378 8046 -16.7 -18.5 86 1.8 -17.3 262 24 338.7 339.2 296.0 347.1 2.35 14 332 9008 -23.5 -24.7 90 1.2 -23.8 286 20 342.2 342.5 296.2 347.9 1.56 15 300 9740 -29.1 -31.1 83 2.0 -29.5 285 16 344.4 344.6 296.2 348.0 0.95 16 293 9909 -30.3 -32.2 83 1.9 -30.6 283 16 345.0 345.2 296.3 348.3 0.88 17 264 10643 -36.3 -39.6 71 3.3 -36.7 275 18 346.7 346.8 296.3 348.5 0.46 18 250 11020 -39.5 -43.0 69 3.5 -39.8 275 20 347.3 347.4 296.4 348.7 0.34 19 200 12500 -52.5 -56.5 62 4.0 -52.7 310 27 349.6 349.6 296.6 350.0 0.09 20 198 12565 -53.3 -57.3 62 4.0 -53.4 310 28 349.4 349.4 296.5 349.7 0.08 21 150 14290 -67.5 -72.3 50 4.8 -67.5 315 44 353.8 353.8 297.5 353.9 0.01 22 148 14371 -67.9 -72.4 52 4.5 -67.9 315 44 354.5 354.5 297.6 354.5 0.01 23 141 14662 -67.7 -72.3 52 4.6 -67.7 315 41 359.8 359.8 298.7 359.8 0.02 24 137 14837 -65.9 -72.9 37 7.0 -66.0 318 28 365.9 365.9 299.8 366.0 0.01 25 135 14926 -66.1 -77.1 20 11.0 -66.2 320 21 367.1 367.1 300.1 367.1 0.01 26 129 15201 -67.9 -74.9 36 7.0 -67.9 299 18 368.7 368.7 300.4 368.7 0.01 27 109 16201 -73.3 -89.3 7 16.0 -73.3 146 3 376.7 376.7 301.7 376.7 0.00 28 100 16700 -77.5 -89.5 13 12.0 -77.5 20 15 378.0 378.0 301.9 378.0 0.00 29 81 17889 -82.7 -91.7 20 9.0 -82.7 350 8 390.8 390.8 303.9 390.8 0.00 30 78 18102 -78.3 -89.3 15 11.0 -78.3 16 12 404.2 404.2 305.7 404.2 0.00 31 74 18403 -77.5 -88.5 15 11.0 -77.5 70 11 412.0 412.0 306.7 412.0 0.00 32 70 18720 -78.3 -88.3 18 10.0 -78.3 130 10 416.9 416.9 307.3 416.9 0.00 33 59 19684 -83.1 -90.1 29 7.0 -83.1 68 16 427.0 427.0 308.5 427.0 0.00 34 56 19975 -82.3 -89.3 29 7.0 -82.3 33 16 435.2 435.2 309.4 435.2 0.00 TRP 81 17889 -82.7 -91.7 20 9.0 -82.7 350 8 390.8 390.8 303.9 390.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 563.47 mb = 4965.80 m = 16291.78 ft Wetbulb zero: 572.42 mb = 4807.16 m = 15771.33 ft Precipitable water: 1.94 inches Sfc-500 mean rel hum: 71.85 % Est. max temperature: 34.56 C = 94.20 F Sfc-Lift cond lev (LCL): 979.06 mb = 277.64 m = 910.87 ft T: 22.00 C 700-500 lapse rate: 5.90 C/km ThetaE index: 10.42 C Layer 925.0- 850.0 mb Conv cond level (CCL): 714.89 mb = 2984.86 m = 9792.72 ft Mean mixing ratio: 13.19 g/kg Conv temperature: 40.17 C = 104.30 F Cap Strength: 5.62 C Lifted Index: 1.40 C Risk: Showers probable Lifted Index @300 mb: 3.75 C Lifted Index @700 mb: 3.26 C Showalter Index: 3.21 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 15.50 C K Index: 29.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 212.00 Risk: None Energy Index: 1.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.09 J/kg Max Up Vert Vel: 8.26 m/s Conv Inhibition (B-): 7159.05 J/kg Cap Strength: 5.60 C Lift Cond Lev (LCL): 843.56 mb = 1572.42 m = 5158.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 338 at 17 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 60 5 -4.3 -2.5 | 142 17 -10.8 13.8 1 976 305 75 11 -10.6 -2.8 | 128 22 -17.1 13.4 2 942 610 45 21 -14.8 -14.8 | 94 21 -21.3 1.4 3 925 769 50 23 -17.6 -14.8 | 93 24 -24.1 1.5 4 910 914 40 24 -15.4 -18.4 | 84 22 -21.9 -2.1 5 850 1507 25 25 -10.6 -22.7 | 69 18 -17.0 -6.4 6 848 1524 20 27 -9.2 -25.4 | 60 18 -15.7 -9.1 7 790 2134 15 21 -5.4 -20.3 | 71 13 -11.9 -4.0 8 762 2438 360 20 -0.0 -20.0 | 60 7 -6.5 -3.7 9 735 2743 5 15 -1.3 -14.9 | 100 8 -7.8 1.3 10 710 3048 345 12 3.1 -11.6 | 144 6 -3.3 4.7 11 700 3163 290 16 15.0 -5.5 | 219 14 8.6 10.8 12 684 3353 280 17 16.7 -3.0 | 218 17 10.3 13.3 13 611 4267 270 22 22.0 -0.0 | 224 22 15.5 16.3 14 567 4877 265 33 32.9 2.9 | 234 33 26.4 19.1 15 500 5890 270 30 30.0 -0.0 | 235 29 23.5 16.3 16 487 6096 270 30 30.0 -0.0 | 235 29 23.5 16.3 17 433 7010 275 26 25.9 -2.3 | 234 24 19.5 14.0 18 400 7620 270 29 29.0 -0.0 | 234 28 22.5 16.3 19 384 7925 260 24 23.6 4.2 | 220 27 17.2 20.4 20 368 8230 265 24 23.9 2.1 | 224 25 17.5 18.3 21 353 8534 265 24 23.9 2.1 | 224 25 17.5 18.3 22 339 8839 290 21 19.7 -7.2 | 236 16 13.3 9.1 23 312 9449 275 16 15.9 -1.4 | 213 18 9.5 14.9 24 300 9740 285 16 15.5 -4.1 | 217 15 9.0 12.1 25 299 9754 290 17 16.0 -5.8 | 222 14 9.5 10.4 26 287 10058 275 14 13.9 -1.2 | 206 17 7.5 15.0 27 250 11020 275 20 19.9 -1.7 | 223 20 13.5 14.5 28 230 11582 280 20 19.7 -3.5 | 226 18 13.2 12.8 29 200 12497 310 27 20.7 -17.4 | 274 14 14.2 -1.1 30 200 12500 310 27 20.7 -17.4 | 274 14 14.2 -1.1 31 157 14021 315 46 32.5 -32.5 | 302 31 26.1 -16.3 32 150 14290 315 44 31.1 -31.1 | 301 29 24.7 -14.9 33 142 14630 315 43 30.4 -30.4 | 301 28 24.0 -14.2 34 135 14935 320 20 12.9 -15.3 | 262 6 6.4 0.9 35 128 15240 295 17 15.4 -7.2 | 225 13 9.0 9.1 36 121 15545 295 11 10.0 -4.6 | 197 12 3.5 11.6 37 110 16154 160 2 -0.7 1.9 | 159 19 -7.1 18.1 38 104 16459 30 12 -6.0 -10.4 | 115 14 -12.5 5.9 39 100 16700 20 15 -5.1 -14.1 | 101 12 -11.6 2.2 40 94 17069 25 12 -5.1 -10.9 | 115 13 -11.5 5.4 41 89 17374 10 27 -4.7 -26.6 | 47 15 -11.1 -10.3 42 84 17678 5 23 -2.0 -22.9 | 52 11 -8.5 -6.7 43 81 17889 350 8 1.4 -7.9 | 149 10 -5.1 8.4 44 80 17983 340 12 4.1 -11.3 | 155 6 -2.3 5.0 45 76 18288 70 11 -10.3 -3.8 | 127 21 -16.8 12.5 46 72 18593 70 11 -10.3 -3.8 | 127 21 -16.8 12.5 47 70 18720 130 10 -7.7 6.4 | 148 27 -14.1 22.7 48 68 18898 130 10 -7.7 6.4 | 148 27 -14.1 22.7 49 64 19202 130 16 -12.3 10.3 | 145 32 -18.7 26.5 50 56 19812 30 16 -8.0 -13.9 | 99 15 -14.5 2.4 51 53 20117 60 20 -17.3 -10.0 | 105 25 -23.8 6.3 Wind Parameters Mean winds (0-6000m): 308.4 at 23.3 knts Storm direction: 338.4 at 17.5 knts Shear (0-3000m) pos: 0.0 neg: 3.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 76.5 deg Storm rel helicity (0-3000m) pos: 45.1 neg: -167.0 tot: -121.9 m^2/s^2 ave: -40.6 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 12.5 stream: -1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.25 Bulk Shear: 134.50 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 53 17 108 21| 0.0 18.3 18.3| 0.0 -98.1 -98.1 -196.2 -0.85| 21.5-18.3 1000 45 20 95 21| 0.0 10.4 10.4| 0.0-136.0-136.0 -136.0 -0.85| 14.7-12.5 1500 37 22 86 20| 0.0 7.3 7.3| 3.5-162.2-158.7 -105.8 -0.79| 12.5 -9.9 2000 31 22 82 18| 0.0 4.6 4.6| 11.1-164.3-153.2 -76.6 -0.65| 10.9 -7.1 2500 26 21 80 16| 0.0 2.6 2.6| 21.0-167.0-146.0 -58.4 -0.46| 10.5 -4.8 3000 21 20 80 14| 0.0 3.5 3.5| 45.1-167.0-121.9 -40.6 -0.11| 12.5 -1.3 4000 360 20 60 7| 0.0 3.4 3.4| 54.8-167.7-112.9 -28.2 -0.08| 10.3 -0.8 5000 329 22 297 5| 0.1 3.6 3.8| 91.5-167.7 -76.2 -15.2 -0.01| 9.5 -0.1 6000 308 23 261 12| 0.2 3.0 3.2| 94.6-167.9 -73.3 -12.2 -0.01| 8.2 -0.0 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20251222.00.gif