UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for SBFI... Searching the city database file for: SBFI ... Date:0000Z 26 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 78 SFC 982 243 20.8 20.0 95 0.8 20.2 90 3 295.5 298.2 294.1 339.0 15.16 2 970 348 21.6 18.9 85 2.7 19.8 79 12 297.3 299.9 294.0 338.7 14.31 3 925 755 19.2 16.7 85 2.5 17.5 65 15 298.9 301.3 293.6 336.9 13.04 4 850 1479 15.0 13.1 88 1.9 13.8 10 11 301.9 303.9 293.0 335.0 11.22 5 818 1803 12.2 12.1 99 0.1 12.1 360 11 302.2 304.2 292.9 334.5 10.91 6 811 1875 14.4 10.5 77 3.9 11.9 352 11 305.3 307.1 293.0 335.0 9.88 7 792 2076 14.4 7.4 63 7.0 10.2 316 9 307.4 308.9 292.3 332.2 8.18 8 774 2270 14.0 5.0 55 9.0 8.8 301 9 309.0 310.3 291.9 330.7 7.08 9 745 2591 11.4 5.4 67 6.0 7.9 291 10 309.5 311.0 292.4 332.8 7.57 10 700 3110 8.6 1.6 61 7.0 4.7 305 11 312.0 313.2 292.0 331.2 6.15 11 684 3301 7.6 -0.4 57 8.0 3.4 305 11 313.0 314.0 291.7 330.1 5.44 12 663 3559 8.0 -8.0 31 16.0 0.6 278 9 316.2 316.8 290.7 326.5 3.15 13 643 3811 5.6 -10.4 31 16.0 -1.3 244 8 316.3 316.8 290.3 325.1 2.69 14 622 4083 7.2 -36.8 3 44.0 -4.2 207 5 321.1 321.2 289.4 322.1 0.26 15 545 5161 1.6 -35.4 4 37.0 -7.8 228 15 326.8 326.9 291.2 328.1 0.34 16 500 5850 -3.5 -35.5 6 32.0 -11.2 250 23 328.8 328.8 291.7 330.2 0.37 17 400 7570 -16.1 -50.1 4 34.0 -20.7 255 25 334.1 334.1 292.9 334.5 0.10 18 368 8191 -20.7 -52.7 4 32.0 -24.4 269 18 336.0 336.0 293.4 336.3 0.08 19 317 9271 -30.5 -54.5 8 24.0 -32.4 291 17 337.0 337.1 293.7 337.3 0.07 20 300 9660 -32.7 -62.7 3 30.0 -34.4 275 20 339.3 339.3 294.1 339.4 0.03 21 279 10168 -36.3 -65.3 3 29.0 -37.7 271 23 341.2 341.2 294.6 341.3 0.02 22 250 10920 -42.5 -67.5 5 25.0 -43.3 280 26 342.9 342.9 295.0 343.0 0.02 23 207 12159 -52.7 -67.7 15 15.0 -53.0 280 30 345.9 345.9 295.7 346.0 0.02 24 200 12380 -53.1 -73.1 7 20.0 -53.4 285 33 348.7 348.7 296.4 348.7 0.01 25 198 12445 -53.1 -73.1 7 20.0 -53.4 284 33 349.7 349.7 296.5 349.7 0.01 26 150 14180 -65.5 -79.5 13 14.0 -65.6 280 39 357.2 357.2 298.1 357.3 0.00 27 129 15088 -70.5 -83.5 13 13.0 -70.5 276 36 364.0 364.0 299.5 364.0 0.00 28 101 16522 -76.1 -88.1 13 12.0 -76.2 287 30 379.6 379.6 302.2 379.6 0.00 29 100 16580 -76.1 -88.1 13 12.0 -76.2 280 26 380.7 380.7 302.3 380.7 0.00 30 82 17715 -79.3 -89.3 18 10.0 -79.3 245 19 396.4 396.4 304.7 396.4 0.00 31 77 18072 -79.3 -90.3 15 11.0 -79.3 264 11 403.6 403.6 305.7 403.6 0.00 32 70 18620 -74.1 -90.1 7 16.0 -74.2 315 10 425.9 425.9 308.4 425.9 0.00 33 65 19058 -70.3 -90.3 4 20.0 -70.4 305 15 443.3 443.3 310.2 443.3 0.00 34 60 19535 -70.1 -91.1 3 21.0 -70.2 321 11 454.0 454.0 311.3 454.0 0.00 35 50 20640 -63.5 -89.5 2 26.0 -63.8 225 12 493.8 493.8 314.5 493.9 0.00 36 48 20890 -63.9 -89.9 2 26.0 -64.3 232 13 498.7 498.7 314.8 498.7 0.00 37 37 22517 -55.3 -87.3 1 32.0 -56.6 283 1 559.3 559.3 318.6 559.3 0.01 38 33 23244 -56.7 -86.7 1 30.0 -57.9 16 6 574.2 574.2 319.4 574.2 0.01 39 30 23850 -54.9 -86.9 1 32.0 -56.5 50 12 595.0 595.0 320.4 595.0 0.01 40 27 24526 -53.3 -85.3 1 32.0 -55.4 45 11 617.7 617.7 321.4 617.7 0.01 TRP 82 17715 -79.3 -89.3 18 10.0 -79.3 245 19 396.4 396.4 304.7 396.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5772.00 m Freezing level: 530.88 mb = 5377.17 m = 17641.43 ft Wetbulb zero: 656.73 mb = 3636.76 m = 11931.50 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 46.41 % Est. max temperature: 27.35 C = 81.23 F Sfc-Lift cond lev (LCL): 970.85 mb = 340.96 m = 1118.62 ft T: 21.54 C 700-500 lapse rate: 4.42 C/km ThetaE index: 10.68 C Layer 700.0- 545.0 mb Conv cond level (CCL): 866.99 mb = 1309.52 m = 4296.29 ft Mean mixing ratio: 13.28 g/kg Conv temperature: 26.47 C = 79.64 F Cap Strength: 5.51 C Lifted Index: 4.39 C Risk: None Lifted Index @300 mb: 2.96 C Lifted Index @700 mb: 1.78 C Showalter Index: 5.45 C Risk: None Total Totals Index: 35.10 C Risk: None Vertical Totals Index: 18.50 C Cross Totals Index: 16.60 C K Index: 24.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 202.20 Risk: None Energy Index: -0.75 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.06 J/kg Max Up Vert Vel: 5.84 m/s Conv Inhibition (B-): 21.73 J/kg Cap Strength: 5.48 C Lift Cond Lev (LCL): 899.26 mb = 996.62 m = 3269.71 ft Lev Free Conv (LFC): 834.26 mb = 1636.69 m = 5369.66 ft Equ Level (EL): 814.26 mb = 1841.39 m = 6041.24 ft B at Equ Level: 15.06 J/kg Max Parcel Lev (MPL): 794.26 mb = 2051.65 m = 6731.05 ft Wind level data Storm motion: 306 at 9 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 ---------------------------------------------------------- 0 982 243 90 3 -3.0 0.0 | 118 12 -10.5 5.5 1 975 305 80 11 -10.8 -1.9 | 101 19 -18.4 3.6 2 941 610 75 17 -16.4 -4.4 | 93 24 -24.0 1.1 3 925 755 65 15 -13.6 -6.3 | 88 21 -21.1 -0.8 4 908 914 50 12 -9.2 -7.7 | 82 17 -16.7 -2.2 5 876 1219 40 13 -8.4 -10.0 | 74 17 -15.9 -4.5 6 850 1479 10 11 -1.9 -10.8 | 61 11 -9.5 -5.3 7 845 1524 360 11 -0.0 -11.0 | 54 9 -7.5 -5.5 8 815 1829 360 11 -0.0 -11.0 | 54 9 -7.5 -5.5 9 786 2134 305 9 7.4 -5.2 | 153 0 -0.2 0.3 10 758 2438 295 10 9.1 -4.2 | 230 2 1.5 1.3 11 705 3048 280 10 9.8 -1.7 | 211 4 2.3 3.8 12 700 3110 305 11 9.0 -6.3 | 299 2 1.5 -0.8 13 679 3353 305 11 9.0 -6.3 | 299 2 1.5 -0.8 14 607 4267 180 4 0.0 4.0 | 142 12 -7.5 9.5 15 585 4572 200 14 4.8 13.2 | 172 19 -2.8 18.7 16 523 5486 245 15 13.6 6.3 | 207 13 6.0 11.8 17 504 5791 245 19 17.2 8.0 | 216 17 9.7 13.5 18 500 5850 250 23 21.6 7.9 | 226 19 14.1 13.4 19 484 6096 255 26 25.1 6.7 | 235 21 17.6 12.2 20 447 6706 275 24 23.9 -2.1 | 258 17 16.4 3.4 21 413 7315 255 31 29.9 8.0 | 239 26 22.4 13.5 22 400 7570 255 25 24.1 6.5 | 234 20 16.6 12.0 23 365 8230 270 17 17.0 -0.0 | 240 11 9.5 5.5 24 350 8534 265 15 14.9 1.3 | 227 10 7.4 6.8 25 336 8839 285 14 13.5 -3.6 | 253 6 6.0 1.9 26 322 9144 295 16 14.5 -6.8 | 280 7 7.0 -1.3 27 300 9660 275 20 19.9 -1.7 | 253 13 12.4 3.8 28 283 10058 270 23 23.0 -0.0 | 250 16 15.5 5.5 29 250 10920 280 26 25.6 -4.5 | 267 18 18.1 1.0 30 237 11278 285 26 25.1 -6.7 | 274 18 17.6 -1.2 31 216 11887 275 26 25.9 -2.3 | 260 19 18.4 3.2 32 200 12380 285 33 31.9 -8.5 | 277 25 24.3 -3.0 33 170 13411 270 34 34.0 -0.0 | 258 27 26.5 5.5 34 154 14021 290 40 37.6 -13.7 | 285 31 30.0 -8.2 35 150 14180 280 39 38.4 -6.8 | 272 31 30.9 -1.3 36 125 15240 275 36 35.9 -3.1 | 265 28 28.3 2.4 37 102 16459 295 34 30.8 -14.4 | 291 25 23.3 -8.9 38 100 16580 280 26 25.6 -4.5 | 267 18 18.1 1.0 39 97 16764 280 26 25.6 -4.5 | 267 18 18.1 1.0 40 92 17069 300 21 18.2 -10.5 | 295 12 10.6 -5.0 41 82 17715 245 19 17.2 8.0 | 216 17 9.7 13.5 42 78 17983 240 11 9.5 5.5 | 190 11 2.0 11.0 43 74 18288 320 10 6.4 -7.7 | 27 2 -1.1 -2.2 44 70 18593 265 4 4.0 0.3 | 149 7 -3.6 5.8 45 70 18620 315 10 7.1 -7.1 | 17 2 -0.5 -1.6 46 67 18898 300 13 11.3 -6.5 | 285 4 3.7 -1.0 47 64 19202 310 17 13.0 -10.9 | 315 8 5.5 -5.4 48 60 19507 320 12 7.7 -9.2 | 357 4 0.2 -3.7 49 57 19812 330 5 2.5 -4.3 | 103 5 -5.0 1.2 50 55 20117 310 19 14.6 -12.2 | 314 10 7.0 -6.7 51 50 20640 225 12 8.5 8.5 | 184 14 0.9 14.0 52 49 20726 245 13 11.8 5.5 | 201 12 4.2 11.0 53 45 21336 200 12 4.1 11.3 | 168 17 -3.4 16.8 54 43 21641 260 13 12.8 2.3 | 214 9 5.3 7.8 55 41 21946 230 11 8.4 7.1 | 184 13 0.9 12.6 56 37 22555 285 1 1.0 -0.3 | 129 8 -6.6 5.2 57 30 23774 85 10 -10.0 -0.9 | 105 18 -17.5 4.6 58 30 23850 50 12 -9.2 -7.7 | 82 17 -16.7 -2.2 59 28 24079 55 13 -10.6 -7.5 | 84 18 -18.2 -2.0 60 26 24384 40 10 -6.4 -7.7 | 81 14 -14.0 -2.2 61 23 24994 140 2 -1.3 1.5 | 129 11 -8.8 7.0 Wind Parameters Mean winds (0-6000m): 276.1 at 12.5 knts Storm direction: 306.1 at 9.3 knts Shear (0-3000m) pos: 0.6 neg: 2.2 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -178.6 deg Storm rel helicity (0-3000m) pos: 2.3 neg: -84.1 tot: -81.8 m^2/s^2 ave: -27.3 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 9.1 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.19 Bulk Shear: 87.47 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 75 14 96 21| 0.0 12.8 12.8| 0.0 -44.8 -44.8 -89.5 -0.56| 17.0 -9.6 1000 63 13 88 19| 0.0 5.8 5.8| 0.0 -66.7 -66.7 -66.7 -0.58| 12.5 -7.2 1500 48 13 80 17| 0.0 3.9 3.9| 0.0 -80.4 -80.4 -53.6 -0.56| 11.0 -6.2 2000 35 12 73 15| 0.0 3.1 3.1| 0.3 -83.3 -83.0 -41.5 -0.37| 11.2 -4.2 2500 19 12 65 13| 0.0 2.7 2.7| 0.4 -83.6 -83.3 -33.3 -0.35| 9.5 -3.4 3000 4 11 55 10| 0.6 2.2 2.8| 2.3 -84.1 -81.8 -27.3 -0.23| 9.1 -2.1 4000 349 10 49 7| 0.4 1.1 1.5| 2.3-110.1-107.8 -26.9 -0.37| 9.1 -3.3 5000 315 11 355 2| 1.1 0.9 2.0| 67.3-110.1 -42.8 -8.6 -0.12| 9.2 -1.1 6000 276 12 229 6| 2.1 0.7 2.8|128.6-110.1 18.5 3.1 0.02| 9.1 0.2 Wrote GIF file: /home/apache/climate/data/raob//SBFI/skewt/SBFI.skewt.20250426.00.gif