UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:0000Z 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 1001 85 20.2 18.2 88 2.0 18.9 0 0 293.3 295.6 292.0 331.0 13.25 1 1000 99 20.8 18.2 85 2.6 19.1 355 3 294.0 296.3 292.2 331.8 13.26 2 995 143 22.6 17.9 75 4.7 19.4 333 3 296.2 298.5 292.7 333.8 13.08 3 985 231 24.8 17.8 65 7.0 20.0 288 3 299.2 301.6 293.7 337.5 13.13 4 925 780 20.6 15.9 74 4.7 17.4 165 10 300.4 302.6 293.5 336.7 12.38 5 850 1505 15.4 10.8 74 4.6 12.5 135 4 302.3 304.0 291.9 330.8 9.61 6 775 2280 9.0 8.1 94 0.9 8.5 91 2 303.5 305.1 291.6 329.7 8.78 7 751 2540 7.8 4.4 79 3.4 5.9 345 3 304.9 306.2 290.6 326.1 7.00 8 734 2730 9.6 -8.4 27 18.0 1.6 315 4 308.9 309.4 288.0 317.7 2.76 9 700 3123 8.0 -19.0 13 27.0 -1.6 270 6 311.3 311.6 287.2 315.4 1.22 10 678 3386 7.4 -21.6 11 29.0 -2.4 284 15 313.5 313.7 287.8 316.9 1.00 11 518 5536 -8.9 -16.9 52 8.0 -11.6 284 36 318.9 319.3 290.4 325.5 1.96 12 510 5657 -8.5 -26.5 22 18.0 -13.3 287 38 320.9 321.0 289.9 323.9 0.86 13 500 5810 -9.1 -30.1 16 21.0 -14.2 290 41 321.9 322.1 290.0 324.2 0.63 14 440 6787 -17.1 -35.1 19 18.0 -20.4 290 51 323.8 323.9 290.4 325.4 0.44 15 421 7118 -17.9 -43.9 8 26.0 -21.7 288 55 326.9 326.9 291.0 327.6 0.18 16 400 7500 -19.9 -48.9 6 29.0 -23.4 280 58 329.1 329.1 291.6 329.6 0.11 17 392 7649 -20.9 -49.9 6 29.0 -24.2 278 59 329.7 329.7 291.7 330.1 0.10 18 300 9560 -36.7 -57.7 10 21.0 -37.8 285 65 333.6 333.7 292.7 333.9 0.05 19 282 9986 -38.5 -64.5 5 26.0 -39.6 281 71 337.0 337.0 293.6 337.1 0.02 20 263 10460 -42.1 -60.1 12 18.0 -42.9 277 77 338.5 338.5 294.0 338.7 0.04 21 250 10800 -44.9 -63.9 10 19.0 -45.5 275 77 339.3 339.3 294.2 339.4 0.03 22 241 11044 -46.9 -69.9 6 23.0 -47.4 272 74 339.9 339.9 294.3 339.9 0.01 23 225 11497 -49.9 -65.9 14 16.0 -50.3 269 76 342.0 342.0 294.8 342.1 0.02 24 200 12260 -54.9 -73.9 8 19.0 -55.2 265 91 345.8 345.8 295.7 345.9 0.01 25 191 12553 -56.9 -70.9 15 14.0 -57.1 267 97 347.2 347.2 296.0 347.3 0.01 26 177 13031 -59.7 -73.7 15 14.0 -59.9 270 107 350.2 350.2 296.7 350.2 0.01 27 150 14050 -65.9 -79.9 12 14.0 -66.0 275 93 356.6 356.6 298.0 356.6 0.00 28 143 14337 -68.3 -80.3 16 12.0 -68.4 277 92 357.3 357.3 298.2 357.3 0.00 29 120 15385 -68.5 -84.5 8 16.0 -68.6 274 69 375.3 375.3 301.5 375.3 0.00 30 104 16231 -73.1 -87.1 10 14.0 -73.2 295 41 382.2 382.2 302.6 382.2 0.00 31 100 16460 -73.1 -87.1 10 14.0 -73.2 295 51 386.5 386.5 303.3 386.5 0.00 32 89 17147 -69.9 -88.9 5 19.0 -70.0 301 47 406.0 406.0 306.0 406.0 0.00 33 76 18074 -74.7 -89.7 8 15.0 -74.7 285 35 414.7 414.7 307.1 414.7 0.00 34 73 18311 -70.5 -89.5 4 19.0 -70.6 285 36 428.4 428.4 308.7 428.4 0.00 35 70 18560 -69.3 -90.3 3 21.0 -69.4 285 38 436.1 436.1 309.5 436.1 0.00 36 63 19190 -69.9 -90.9 3 21.0 -70.0 300 36 448.1 448.1 310.7 448.2 0.00 37 51 20477 -61.1 -88.1 2 27.0 -61.6 265 28 496.7 496.7 314.7 496.7 0.00 38 50 20600 -62.3 -88.3 2 26.0 -62.7 255 27 496.7 496.7 314.7 496.7 0.00 39 46 21114 -63.1 -89.1 2 26.0 -63.5 251 29 506.7 506.7 315.4 506.7 0.00 40 43 21535 -56.9 -86.9 1 30.0 -57.9 275 22 531.8 531.8 317.1 531.9 0.00 41 38 22321 -55.7 -86.7 1 31.0 -56.9 254 21 554.0 554.0 318.3 554.1 0.01 42 37 22490 -56.1 -86.1 1 30.0 -57.3 243 20 557.3 557.3 318.5 557.3 0.01 43 30 23830 -54.1 -86.1 1 32.0 -55.8 280 10 597.2 597.2 320.5 597.2 0.01 44 23 25541 -53.3 -85.3 1 32.0 -55.6 335 19 646.7 646.7 322.6 646.7 0.01 45 20 26450 -49.5 -83.5 1 34.0 -53.1 315 9 684.7 684.7 323.9 684.8 0.02 46 16 27919 -47.3 -82.3 1 35.0 -52.3 285 9 737.0 737.0 325.6 737.2 0.03 TRP 104 16231 -73.1 -87.1 10 14.0 -73.2 295 41 382.2 382.2 302.6 382.2 0.00 WND 177 13031 -59.7 -73.7 15 14.0 -59.9 270 107 350.2 350.2 296.7 350.2 0.01 Sounding variables and indices 1000-500 mb thick: 5711.00 m Freezing level: 605.36 mb = 4362.01 m = 14310.87 ft Wetbulb zero: 716.79 mb = 2926.62 m = 9601.66 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 49.41 % Est. max temperature: 29.19 C = 84.54 F Sfc-Lift cond lev (LCL): 972.22 mb = 345.19 m = 1132.51 ft T: 23.93 C 700-500 lapse rate: 6.36 C/km ThetaE index: 22.15 C Layer 925.0- 678.0 mb Conv cond level (CCL): 841.65 mb = 1587.82 m = 5209.31 ft Mean mixing ratio: 12.60 g/kg Conv temperature: 29.35 C = 84.83 F Cap Strength: 2.19 C Lifted Index: -0.80 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.45 C Lifted Index @700 mb: 1.48 C Showalter Index: 1.78 C Risk: Showers probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 19.90 C K Index: 8.30 Risk: None Sweat Index: 178.60 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 230.21 J/kg Max Up Vert Vel: 21.46 m/s Conv Inhibition (B-): 47.24 J/kg Cap Strength: 2.16 C Lift Cond Lev (LCL): 877.33 mb = 1233.70 m = 4047.54 ft Lev Free Conv (LFC): 812.33 mb = 1885.34 m = 6185.42 ft Equ Level (EL): 732.33 mb = 2748.92 m = 9018.66 ft B at Equ Level: 39.13 J/kg Max Parcel Lev (MPL): 672.33 mb = 3453.13 m = 11329.01 ft Wind level data Storm motion: 313 at 12 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 1001 85 0 0 -0.0 -0.0 | 133 12 -9.0 8.4 1 1000 99 355 3 0.3 -3.0 | 122 10 -8.7 5.4 2 977 305 250 3 2.8 1.0 | 147 11 -6.2 9.4 3 943 610 230 4 3.1 2.6 | 152 12 -5.9 11.0 4 925 780 165 10 -2.6 9.7 | 147 21 -11.6 18.1 5 911 914 160 11 -3.8 10.3 | 146 23 -12.7 18.7 6 850 1505 135 4 -2.8 2.8 | 134 16 -11.8 11.2 7 788 2134 170 2 -0.3 2.0 | 138 14 -9.3 10.4 8 760 2438 360 3 -0.0 -3.0 | 121 10 -9.0 5.4 9 706 3048 265 6 6.0 0.5 | 161 9 -3.0 8.9 10 700 3123 270 6 6.0 -0.0 | 160 9 -3.0 8.4 11 655 3658 300 25 21.7 -12.5 | 288 13 12.7 -4.1 12 630 3962 310 22 16.9 -14.1 | 306 10 7.9 -5.7 13 607 4267 295 28 25.4 -11.8 | 282 17 16.4 -3.4 14 584 4572 275 26 25.9 -2.3 | 250 18 16.9 6.1 15 562 4877 270 25 25.0 -0.0 | 242 18 16.0 8.4 16 500 5810 290 41 38.5 -14.0 | 281 30 29.5 -5.6 17 481 6096 290 43 40.4 -14.7 | 281 32 31.4 -6.3 18 427 7010 290 54 50.7 -18.5 | 284 43 41.8 -10.1 19 400 7500 280 58 57.1 -10.1 | 272 48 48.1 -1.7 20 377 7925 275 61 60.8 -5.3 | 267 52 51.8 3.1 21 361 8230 280 60 59.1 -10.4 | 272 50 50.1 -2.0 22 300 9560 285 65 62.8 -16.8 | 279 54 53.8 -8.4 23 255 10668 275 80 79.7 -7.0 | 269 71 70.7 1.4 24 250 10800 275 77 76.7 -6.7 | 269 68 67.7 1.7 25 232 11278 270 72 72.0 -0.0 | 262 64 63.0 8.4 26 200 12260 265 91 90.7 7.9 | 259 83 81.7 16.3 27 177 13031 270 107 107.0 -0.0 | 265 98 98.0 8.4 28 175 13106 270 107 107.0 -0.0 | 265 98 98.0 8.4 29 150 14050 275 93 92.6 -8.1 | 270 84 83.7 0.3 30 136 14630 280 90 88.6 -15.6 | 275 80 79.7 -7.2 31 111 15850 270 55 55.0 -0.0 | 260 47 46.0 8.4 32 104 16231 295 41 37.2 -17.3 | 288 30 28.2 -8.9 33 100 16459 290 41 38.5 -14.0 | 281 30 29.5 -5.6 34 100 16460 295 51 46.2 -21.6 | 289 39 37.2 -13.1 35 95 16764 300 50 43.3 -25.0 | 296 38 34.3 -16.6 36 90 17069 305 49 40.1 -28.1 | 302 37 31.2 -19.7 37 81 17678 275 37 36.9 -3.2 | 259 28 27.9 5.2 38 77 17983 285 34 32.8 -8.8 | 271 24 23.9 -0.4 39 70 18560 285 38 36.7 -9.8 | 273 28 27.7 -1.4 40 70 18593 280 46 45.3 -8.0 | 269 36 36.3 0.4 41 63 19202 300 36 31.2 -18.0 | 293 24 22.2 -9.6 42 60 19507 295 43 39.0 -18.2 | 288 32 30.0 -9.8 43 57 19812 270 38 38.0 -0.0 | 254 30 29.0 8.4 44 54 20117 295 33 29.9 -13.9 | 285 22 20.9 -5.5 45 50 20600 255 27 26.1 7.0 | 228 23 17.1 15.4 46 47 21031 245 30 27.2 12.7 | 221 28 18.2 21.1 47 42 21641 280 21 20.7 -3.6 | 248 13 11.7 4.8 48 40 21946 235 25 20.5 14.3 | 207 25 11.5 22.8 49 39 22250 260 22 21.7 3.8 | 226 18 12.7 12.2 50 37 22555 240 20 17.3 10.0 | 204 20 8.3 18.4 51 35 22860 285 19 18.4 -4.9 | 250 10 9.4 3.5 52 33 23165 245 14 12.7 5.9 | 195 15 3.7 14.3 53 32 23470 235 12 9.8 6.9 | 183 15 0.8 15.3 54 30 23774 305 11 9.0 -6.3 | 181 2 0.0 2.1 55 30 23830 280 10 9.8 -1.7 | 187 7 0.9 6.7 56 29 24079 270 15 15.0 -0.0 | 216 10 6.0 8.4 57 28 24384 345 3 0.8 -2.9 | 124 10 -8.2 5.5 58 25 24994 330 10 5.0 -8.7 | 86 4 -4.0 -0.2 59 24 25298 335 14 5.9 -12.7 | 36 5 -3.1 -4.3 60 23 25603 335 20 8.5 -18.1 | 3 10 -0.5 -9.7 61 21 26213 310 11 8.4 -7.1 | 158 1 -0.6 1.3 62 20 26450 315 9 6.4 -6.4 | 128 3 -2.6 2.0 63 18 26822 335 10 4.2 -9.1 | 82 5 -4.8 -0.6 64 13 28042 185 7 0.6 7.0 | 151 18 -8.4 15.4 Wind Parameters Mean winds (0-6000m): 283.1 at 16.4 knts Storm direction: 313.1 at 12.3 knts Shear (0-3000m) pos: 1.3 neg: 1.2 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 27.9 deg Storm rel helicity (0-3000m) pos: 31.1 neg: -55.3 tot: -24.2 m^2/s^2 ave: -8.1 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 7.5 stream: -0.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 9.43 Bulk Shear: 24.42 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 ------------------------------------------------------------------------------- 500 257 3 147 11| 0.0 4.0 4.0| 9.3 0.0 9.3 18.6 0.45| 7.7 3.5 1000 182 6 149 17| 0.0 4.6 4.6| 13.3 -26.5 -13.2 -13.2 -0.03| 10.7 -0.3 1500 169 6 145 18| 0.0 1.3 1.3| 14.3 -39.2 -24.9 -16.6 -0.11| 9.1 -1.0 2000 165 5 143 17| 0.5 1.0 1.5| 18.0 -39.2 -21.2 -10.6 -0.07| 7.4 -0.5 2500 164 5 142 17| 1.5 0.8 2.3| 19.7 -55.3 -35.6 -14.3 -0.15| 7.7 -1.2 3000 179 5 146 16| 1.3 1.2 2.4| 31.1 -55.3 -24.2 -8.1 -0.01| 7.5 -0.1 4000 279 8 174 7| 3.5 0.9 4.4| 82.6 -60.5 22.1 5.5 0.28| 9.2 2.5 5000 280 12 205 7| 2.8 2.1 4.9| 99.2-127.2 -28.0 -5.6 0.09| 9.5 0.8 6000 283 16 236 8| 3.8 1.8 5.6|183.7-127.2 56.5 9.4 0.19| 9.5 1.8 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20250427.00.gif