UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 27 APR 25 Station: SBSM WMO ident: 83937 Latitude: -29.71 Longitude: -53.69 Elevation: 85.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1004 85 19.0 18.8 99 0.2 18.9 170 3 291.8 294.3 291.9 330.6 13.73 1 1000 124 18.6 18.2 98 0.4 18.4 170 3 291.8 294.1 291.5 329.2 13.26 2 935 699 15.8 15.8 100 0.0 15.8 110 9 294.6 296.7 291.5 329.4 12.16 3 925 791 16.8 16.6 99 0.2 16.7 100 8 296.5 298.8 292.7 333.8 12.95 4 915 884 16.8 16.1 96 0.7 16.4 89 6 297.4 299.7 292.8 334.1 12.68 5 850 1511 13.2 12.9 98 0.3 13.0 15 9 300.0 302.0 292.4 332.4 11.07 6 774 2294 8.6 6.6 87 2.0 7.5 338 5 303.2 304.6 290.8 326.8 7.92 7 729 2789 7.4 -1.6 53 9.0 2.9 333 9 307.1 308.0 289.2 321.5 4.67 8 700 3123 5.0 -2.0 60 7.0 1.5 305 13 308.0 308.9 289.6 322.6 4.72 9 634 3924 0.0 -1.9 87 1.9 -1.0 295 23 311.2 312.2 291.0 327.6 5.25 10 610 4233 -0.7 -7.7 59 7.0 -3.8 291 27 313.8 314.5 290.3 325.1 3.51 11 566 4827 -5.3 -17.3 38 12.0 -9.4 277 25 315.2 315.5 289.0 321.0 1.74 12 535 5266 -9.3 -15.3 62 6.0 -11.4 281 25 315.5 316.0 289.6 322.7 2.17 13 521 5471 -9.5 -14.1 69 4.6 -11.2 285 25 317.7 318.2 290.5 325.8 2.47 14 509 5652 -9.1 -20.1 40 11.0 -12.5 282 35 320.3 320.6 290.4 325.5 1.52 15 505 5713 -9.1 -24.1 28 15.0 -13.3 281 39 321.0 321.2 290.2 324.8 1.08 16 500 5790 -9.7 -23.7 31 14.0 -13.6 280 44 321.2 321.4 290.3 325.1 1.13 17 455 6505 -16.1 -29.1 32 13.0 -19.0 275 53 322.0 322.1 290.2 324.7 0.76 18 452 6555 -16.3 -27.3 38 11.0 -18.8 275 54 322.3 322.5 290.4 325.5 0.90 19 424 7031 -19.1 -42.1 11 23.0 -22.4 275 64 324.7 324.8 290.5 325.6 0.22 20 409 7297 -21.3 -32.3 36 11.0 -23.4 275 69 325.2 325.4 291.0 327.5 0.62 21 400 7460 -21.7 -41.7 15 20.0 -24.5 275 73 326.8 326.8 291.0 327.7 0.25 22 386 7722 -23.5 -47.5 9 24.0 -26.2 275 74 327.8 327.8 291.2 328.3 0.14 23 363 8168 -27.1 -37.1 38 10.0 -28.5 275 77 328.8 328.9 291.8 330.4 0.44 24 357 8288 -26.7 -45.7 15 19.0 -28.8 275 77 330.9 330.9 292.2 331.6 0.18 25 349 8451 -27.7 -46.7 15 19.0 -29.7 275 78 331.7 331.7 292.3 332.3 0.16 26 316 9157 -33.9 -52.9 13 19.0 -35.3 275 83 332.6 332.6 292.5 333.0 0.09 27 300 9520 -35.1 -58.1 8 23.0 -36.4 275 100 335.9 335.9 293.3 336.1 0.05 28 287 9828 -36.3 -52.3 18 16.0 -37.4 277 107 338.5 338.5 294.0 338.9 0.11 29 253 10690 -43.3 -61.3 12 18.0 -44.0 276 120 340.5 340.5 294.5 340.7 0.04 30 250 10770 -43.9 -58.9 17 15.0 -44.5 275 120 340.8 340.8 294.6 341.0 0.05 31 233 11239 -48.1 -55.1 44 7.0 -48.4 275 122 341.4 341.4 294.7 341.7 0.09 32 230 11325 -48.7 -61.7 21 13.0 -49.1 275 122 341.7 341.7 294.8 341.9 0.04 33 209 11948 -53.9 -57.3 66 3.4 -54.0 275 126 343.1 343.1 295.1 343.4 0.08 34 203 12135 -54.7 -63.7 32 9.0 -54.9 275 127 344.7 344.7 295.5 344.8 0.04 35 200 12230 -55.3 -65.3 28 10.0 -55.5 275 128 345.2 345.2 295.6 345.3 0.03 36 194 12424 -56.7 -67.7 24 11.0 -56.9 275 130 346.0 346.0 295.7 346.1 0.02 37 182 12827 -59.9 -66.9 40 7.0 -60.0 275 133 347.1 347.1 296.0 347.3 0.03 38 174 13107 -61.2 -70.8 27 9.7 -61.3 275 136 349.6 349.6 296.5 349.6 0.02 39 159 13664 -63.7 -78.7 11 15.0 -63.8 275 129 354.4 354.4 297.5 354.4 0.01 40 150 14020 -66.1 -79.1 15 13.0 -66.2 275 119 356.2 356.2 298.0 356.2 0.01 41 138 14522 -68.5 -81.5 14 13.0 -68.6 273 107 360.6 360.6 298.8 360.6 0.00 42 123 15211 -68.5 -86.5 6 18.0 -68.6 271 91 372.6 372.6 301.0 372.7 0.00 43 100 16440 -71.9 -86.9 9 15.0 -71.9 290 56 388.8 388.8 303.6 388.8 0.00 44 95 16741 -73.7 -87.7 10 14.0 -73.7 285 49 391.0 391.0 303.9 391.0 0.00 45 86 17330 -69.5 -88.5 5 19.0 -69.6 271 41 410.8 410.8 306.6 410.8 0.00 46 70 18560 -69.1 -90.1 3 21.0 -69.2 270 23 436.6 436.6 309.5 436.6 0.00 47 50 20590 -62.5 -89.5 1 27.0 -62.9 305 26 496.2 496.2 314.7 496.2 0.00 48 48 20841 -63.7 -89.7 2 26.0 -64.1 280 17 499.2 499.2 314.9 499.2 0.00 49 43 21528 -56.5 -87.5 1 31.0 -57.5 305 34 532.8 532.8 317.1 532.9 0.00 50 36 22663 -53.5 -85.5 1 32.0 -55.1 291 20 568.4 568.4 319.1 568.4 0.01 51 32 23418 -55.1 -86.1 1 31.0 -56.6 253 12 583.6 583.6 319.8 583.6 0.01 TRP 95 16741 -73.7 -87.7 10 14.0 -73.7 285 49 391.0 391.0 303.9 391.0 0.00 WND 174 13107 -61.2 -70.8 27 9.7 -61.3 275 136 349.6 349.6 296.5 349.6 0.02 Sounding variables and indices 1000-500 mb thick: 5666.00 m Freezing level: 634.00 mb = 3924.30 m = 12874.85 ft Wetbulb zero: 659.88 mb = 3600.62 m = 11812.91 ft Precipitable water: 1.51 inches Sfc-500 mean rel hum: 74.05 % Est. max temperature: 27.00 C = 80.61 F Sfc-Lift cond lev (LCL): 1001.35 mb = 110.85 m = 363.69 ft T: 18.73 C 700-500 lapse rate: 5.51 C/km ThetaE index: 12.63 C Layer 850.0- 700.0 mb Conv cond level (CCL): 960.64 mb = 467.67 m = 1534.33 ft Mean mixing ratio: 12.72 g/kg Conv temperature: 20.61 C = 69.10 F Cap Strength: 1.43 C Lifted Index: 1.24 C Risk: Showers probable Lifted Index @300 mb: 4.78 C Lifted Index @700 mb: 0.47 C Showalter Index: 0.42 C Risk: Thunderstorms probable Total Totals Index: 45.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.60 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 216.80 Risk: None Energy Index: -1.48 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.58 J/kg Max Up Vert Vel: 10.45 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.39 C Lift Cond Lev (LCL): 949.34 mb = 568.98 m = 1866.72 ft Lev Free Conv (LFC): 944.34 mb = 614.18 m = 2015.01 ft Equ Level (EL): 934.34 mb = 705.28 m = 2313.90 ft B at Equ Level: 25.48 J/kg Max Parcel Lev (MPL): 854.34 mb = 1467.66 m = 4815.10 ft Wind level data Storm motion: 320 at 13 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 1004 85 170 3 -0.5 3.0 | 146 16 -8.8 13.0 1 1000 124 170 3 -0.5 3.0 | 146 16 -8.8 13.0 2 979 305 140 11 -7.1 8.4 | 140 24 -15.3 18.4 3 945 610 120 9 -7.8 4.5 | 132 22 -16.0 14.5 4 925 791 100 8 -7.9 1.4 | 125 20 -16.1 11.4 5 912 914 85 5 -5.0 -0.4 | 126 16 -13.2 9.6 6 850 1511 15 9 -2.3 -8.7 | 97 11 -10.6 1.3 7 789 2134 305 6 4.9 -3.4 | 153 7 -3.3 6.6 8 760 2438 10 4 -0.7 -3.9 | 124 11 -9.0 6.1 9 706 3048 305 13 10.6 -7.5 | 223 4 2.4 2.6 10 700 3123 305 13 10.6 -7.5 | 223 4 2.4 2.6 11 606 4267 290 28 26.3 -9.6 | 269 18 18.1 0.4 12 561 4877 275 25 24.9 -2.2 | 245 18 16.6 7.8 13 520 5486 285 25 24.1 -6.5 | 257 16 15.9 3.5 14 500 5790 280 44 43.3 -7.6 | 266 35 35.1 2.4 15 480 6096 275 44 43.8 -3.8 | 260 36 35.6 6.2 16 400 7460 275 73 72.7 -6.4 | 267 65 64.5 3.6 17 391 7620 275 73 72.7 -6.4 | 267 65 64.5 3.6 18 359 8230 275 77 76.7 -6.7 | 267 69 68.5 3.3 19 316 9144 275 83 82.7 -7.2 | 268 74 74.4 2.8 20 300 9520 275 100 99.6 -8.7 | 269 91 91.4 1.3 21 265 10363 280 119 117.2 -20.7 | 276 109 108.9 -10.7 22 250 10770 275 120 119.5 -10.5 | 270 111 111.3 -0.4 23 242 10973 275 120 119.5 -10.5 | 270 111 111.3 -0.4 24 200 12230 275 128 127.5 -11.2 | 271 119 119.3 -1.1 25 174 13107 275 136 135.5 -11.9 | 271 127 127.2 -1.8 26 166 13411 275 136 135.5 -11.9 | 271 127 127.2 -1.8 27 150 14020 275 119 118.5 -10.4 | 270 110 110.3 -0.4 28 116 15545 270 83 83.0 -0.0 | 262 75 74.7 10.0 29 100 16440 290 56 52.6 -19.2 | 282 45 44.4 -9.1 30 95 16741 285 49 47.3 -12.7 | 274 39 39.1 -2.7 31 95 16764 290 55 51.7 -18.8 | 281 44 43.4 -8.8 32 77 17983 250 24 22.6 8.2 | 218 23 14.3 18.2 33 73 18288 300 28 24.2 -14.0 | 284 16 16.0 -4.0 34 70 18560 270 23 23.0 -0.0 | 236 18 14.7 10.0 35 66 18898 265 25 24.9 2.2 | 234 21 16.6 12.2 36 60 19507 275 23 22.9 -2.0 | 241 17 14.7 8.0 37 57 19812 245 17 15.4 7.2 | 203 19 7.2 17.2 38 54 20117 255 19 18.4 4.9 | 214 18 10.1 14.9 39 51 20422 235 22 18.0 12.6 | 203 25 9.8 22.6 40 50 20590 305 26 21.3 -14.9 | 291 14 13.0 -4.9 41 49 20726 275 16 15.9 -1.4 | 222 12 7.7 8.6 42 45 21031 305 24 19.7 -13.8 | 288 12 11.4 -3.8 43 43 21336 305 36 29.5 -20.6 | 297 24 21.2 -10.6 44 40 21641 280 27 26.6 -4.7 | 254 19 18.3 5.3 45 37 21946 270 17 17.0 -0.0 | 221 13 8.7 10.0 46 35 22250 310 22 16.9 -14.1 | 296 10 8.6 -4.1 47 33 22555 255 14 13.5 3.6 | 201 15 5.3 13.6 48 31 22860 250 8 7.5 2.7 | 177 13 -0.7 12.7 49 29 23165 305 14 11.5 -8.0 | 238 4 3.2 2.0 50 27 23470 270 13 13.0 -0.0 | 205 11 4.7 10.0 51 25 23774 275 16 15.9 -1.4 | 222 12 7.7 8.6 Wind Parameters Mean winds (0-6000m): 290.5 at 17.3 knts Storm direction: 320.5 at 13.0 knts Shear (0-3000m) pos: 0.8 neg: 3.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 77.2 deg Storm rel helicity (0-3000m) pos: 14.6 neg: -83.2 tot: -68.6 m^2/s^2 ave: -22.9 10^-3 m/s^2 rel: -0.16 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.65 Bulk Shear: 83.79 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 ------------------------------------------------------------------------------- 500 137 8 139 21| 0.0 7.7 7.7| 0.6 -31.0 -30.4 -60.8 -0.43| 12.3 -5.3 1000 120 8 133 20| 0.0 3.9 3.9| 0.6 -54.4 -53.8 -53.8 -0.48| 10.5 -5.1 1500 92 8 123 19| 0.0 4.0 4.0| 0.8 -71.7 -70.9 -47.3 -0.50| 9.9 -5.0 2000 67 8 115 17| 0.0 2.3 2.3| 11.6 -71.7 -60.1 -30.1 -0.23| 9.4 -2.2 2500 51 7 112 15| 1.0 1.8 2.8| 11.6 -82.3 -70.8 -28.3 -0.30| 9.0 -2.7 3000 16 8 105 11| 0.8 3.0 3.8| 14.6 -83.2 -68.6 -22.9 -0.16| 9.4 -1.5 4000 317 11 154 2| 0.6 3.9 4.5| 21.6 -83.2 -61.6 -15.4 -0.06| 8.8 -0.6 5000 298 14 229 5| 0.5 3.1 3.5| 27.5-119.7 -92.1 -18.4 -0.14| 8.2 -1.1 6000 290 17 244 9| 0.5 3.7 4.2| 59.1-153.2 -94.1 -15.7 -0.08| 9.0 -0.7 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20250427.12.gif