UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051812.upa.cvt Date: 1200Z 18 MAY 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 18 MAY 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 24.4 23.5 95 0.9 23.8 360 9 297.5 300.8 296.9 351.1 18.51 1 1000 99 24.4 22.1 87 2.3 22.8 360 19 297.5 300.6 295.9 346.8 16.98 2 996 134 24.4 16.4 61 8.0 19.1 358 22 297.9 300.0 292.3 332.3 11.86 3 952 531 23.2 15.2 61 8.0 17.9 339 47 300.5 302.6 292.9 334.3 11.48 4 944 605 24.6 14.6 54 10.0 17.9 335 51 302.7 304.8 293.2 335.7 11.13 5 925 783 23.2 15.2 61 8.0 17.8 330 50 303.0 305.2 293.9 338.1 11.82 6 875 1265 19.4 12.4 64 7.0 14.8 321 43 303.9 305.9 293.0 334.9 10.39 7 850 1514 17.8 7.8 52 10.0 11.7 315 40 304.8 306.2 291.2 328.4 7.83 8 817 1851 15.2 3.2 45 12.0 8.5 312 34 305.5 306.6 289.8 323.5 5.90 9 700 3136 4.4 2.2 86 2.2 3.2 300 33 307.4 308.6 290.9 327.0 6.42 10 500 5800 -10.7 -14.2 75 3.5 -12.0 305 26 320.0 320.5 291.3 328.5 2.55 11 400 7480 -22.7 -34.7 33 12.0 -24.7 310 49 325.5 325.6 290.9 327.3 0.50 12 300 9530 -35.3 -53.3 14 18.0 -36.5 250 41 335.6 335.6 293.3 336.0 0.09 13 250 10770 -46.5 -51.5 57 5.0 -46.7 255 56 336.9 337.0 293.7 337.5 0.13 14 219 11638 -52.6 -59.9 41 7.4 -52.8 260 66 340.6 340.6 294.5 340.8 0.05 15 200 12220 -56.7 -65.7 31 9.0 -56.9 255 47 343.0 343.0 295.1 343.1 0.03 16 150 14030 -59.5 -82.5 4 23.0 -59.7 255 42 367.6 367.6 300.1 367.6 0.00 17 100 16500 -68.1 -87.1 5 19.0 -68.2 230 27 396.2 396.2 304.7 396.2 0.00 18 84 17539 -72.5 -88.5 7 16.0 -72.6 245 14 407.5 407.5 306.2 407.5 0.00 19 73 18363 -73.9 -88.9 8 15.0 -74.0 324 18 421.2 421.2 307.9 421.2 0.00 20 70 18610 -70.7 -89.7 4 19.0 -70.8 295 14 433.1 433.1 309.1 433.1 0.00 21 66 18961 -66.1 -88.1 3 22.0 -66.3 299 13 450.5 450.5 310.9 450.5 0.00 22 52 20418 -61.3 -87.3 2 26.0 -61.8 265 10 493.5 493.5 314.5 493.5 0.00 23 50 20660 -61.9 -86.9 2 25.0 -62.4 220 7 497.6 497.6 314.8 497.6 0.00 24 48 20913 -62.5 -87.5 2 25.0 -62.9 224 11 502.0 502.0 315.1 502.0 0.00 25 33 23247 -59.9 -86.9 2 27.0 -60.7 239 16 565.7 565.7 318.9 565.7 0.01 26 30 23850 -55.7 -84.7 1 29.0 -57.2 250 38 592.8 592.8 320.3 592.9 0.01 27 28 24291 -54.3 -84.3 1 30.0 -56.1 246 37 608.5 608.5 321.0 608.6 0.01 TRP 84 17539 -72.5 -88.5 7 16.0 -72.6 245 14 407.5 407.5 306.2 407.5 0.00 WND 219 11638 -52.6 -59.9 41 7.4 -52.8 260 66 340.6 340.6 294.5 340.8 0.05 Sounding variables and indices 1000-500 mb thick: 5701.00 m Freezing level: 641.72 mb = 3912.26 m = 12835.36 ft Wetbulb zero: 658.04 mb = 3625.40 m = 11894.23 ft Precipitable water: 1.47 inches Sfc-500 mean rel hum: 70.55 % Est. max temperature: 31.70 C = 89.05 F Sfc-Lift cond lev (LCL): 988.39 mb = 201.50 m = 661.09 ft T: 24.20 C 700-500 lapse rate: 5.67 C/km ThetaE index: 18.83 C Layer 1000.0- 952.0 mb Conv cond level (CCL): 786.95 mb = 2162.61 m = 7095.10 ft Mean mixing ratio: 11.72 g/kg Conv temperature: 32.94 C = 91.29 F Cap Strength: 3.68 C Lifted Index: -2.02 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 1.48 C Lifted Index @700 mb: -1.83 C Showalter Index: 1.35 C Risk: Showers probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 18.50 C K Index: 34.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 199.60 Risk: None Energy Index: -0.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 481.46 J/kg Max Up Vert Vel: 31.03 m/s Conv Inhibition (B-): 150.10 J/kg Cap Strength: 3.68 C Lift Cond Lev (LCL): 844.37 mb = 1570.60 m = 5152.82 ft Lev Free Conv (LFC): 739.37 mb = 2681.13 m = 8796.25 ft Equ Level (EL): 319.37 mb = 9084.21 m = 29803.49 ft B at Equ Level: 477.26 J/kg Max Parcel Lev (MPL): 179.37 mb = 12905.06 m = 42338.92 ft Wind level data Storm motion: 342 at 23 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 85 360 9 -0.0 -9.0 | 152 15 -7.1 13.3 1 1000 99 360 19 -0.0 -19.0 | 115 8 -7.1 3.3 2 977 305 350 35 6.1 -34.5 | 5 12 -1.0 -12.1 3 943 610 335 51 21.6 -46.2 | 329 28 14.4 -23.9 4 925 783 330 50 25.0 -43.3 | 320 28 17.9 -21.0 5 911 914 330 47 23.5 -40.7 | 318 25 16.4 -18.4 6 850 1514 315 40 28.3 -28.3 | 286 22 21.2 -6.0 7 789 2134 310 28 21.4 -18.0 | 253 15 14.3 4.3 8 761 2438 310 31 23.7 -19.9 | 262 17 16.6 2.4 9 700 3136 300 33 28.6 -16.5 | 255 22 21.5 5.8 10 681 3353 290 29 27.3 -9.9 | 238 24 20.1 12.4 11 607 4267 300 23 19.9 -11.5 | 230 17 12.8 10.8 12 584 4572 310 21 16.1 -13.5 | 225 13 9.0 8.8 13 520 5486 300 28 24.2 -14.0 | 244 19 17.1 8.3 14 500 5800 305 26 21.3 -14.9 | 242 16 14.2 7.4 15 481 6096 315 33 23.3 -23.3 | 274 16 16.2 -1.0 16 462 6401 320 41 26.4 -31.4 | 295 21 19.2 -9.1 17 426 7010 310 51 39.1 -32.8 | 288 34 32.0 -10.4 18 400 7480 310 49 37.5 -31.5 | 287 32 30.4 -9.2 19 392 7620 310 44 33.7 -28.3 | 283 27 26.6 -6.0 20 360 8230 275 32 31.9 -2.8 | 232 32 24.8 19.5 21 345 8534 265 32 31.9 2.8 | 225 35 24.8 25.1 22 317 9144 250 38 35.7 13.0 | 219 45 28.6 35.3 23 300 9530 250 41 38.5 14.0 | 221 48 31.4 36.4 24 250 10770 255 56 54.1 14.5 | 232 60 47.0 36.8 25 219 11638 260 66 65.0 11.5 | 240 67 57.9 33.8 26 211 11887 260 66 65.0 11.5 | 240 67 57.9 33.8 27 201 12192 255 54 52.2 14.0 | 231 58 45.1 36.3 28 200 12220 255 47 45.4 12.2 | 228 52 38.3 34.5 29 191 12497 270 39 39.0 -0.0 | 235 39 31.9 22.3 30 182 12802 290 42 39.5 -14.4 | 256 33 32.4 8.0 31 166 13411 280 48 47.3 -8.3 | 251 43 40.2 14.0 32 150 14030 255 42 40.6 10.9 | 225 47 33.5 33.2 33 136 14630 245 37 33.5 15.6 | 215 46 26.4 38.0 34 100 16500 230 27 20.7 17.4 | 199 42 13.6 39.7 35 96 16764 230 31 23.7 19.9 | 201 45 16.6 42.3 36 91 17069 265 20 19.9 1.7 | 208 27 12.8 24.1 37 84 17539 245 14 12.7 5.9 | 191 29 5.6 28.2 38 82 17678 240 16 13.9 8.0 | 193 31 6.8 30.3 39 78 17983 310 14 10.7 -9.0 | 195 14 3.6 13.3 40 74 18288 315 19 13.4 -13.4 | 215 11 6.3 8.9 41 70 18593 350 15 2.6 -14.8 | 149 9 -4.5 7.6 42 70 18610 295 14 12.7 -5.9 | 199 17 5.6 16.4 43 67 18898 300 15 13.0 -7.5 | 202 16 5.9 14.8 44 60 19507 295 2 1.8 -0.8 | 166 22 -5.3 21.5 45 52 20422 265 10 10.0 0.9 | 187 23 2.9 23.2 46 50 20660 220 7 4.5 5.4 | 175 28 -2.6 27.7 47 49 20726 230 13 10.0 8.4 | 185 31 2.9 30.7 48 47 21031 220 10 6.4 7.7 | 179 30 -0.7 30.0 49 37 22555 285 10 9.7 -2.6 | 187 20 2.6 19.7 50 35 22860 245 17 15.4 7.2 | 196 31 8.3 29.5 51 32 23470 235 16 13.1 9.2 | 191 32 6.0 31.5 52 30 23774 255 22 21.3 5.7 | 207 31 14.1 28.0 53 30 23850 250 38 35.7 13.0 | 219 45 28.6 35.3 54 28 24079 245 38 34.4 16.1 | 215 47 27.3 38.4 55 24 24689 255 26 25.1 6.7 | 212 34 18.0 29.1 56 21 25298 250 24 22.6 8.2 | 207 34 15.4 30.5 57 20 25603 275 26 25.9 -2.3 | 223 27 18.8 20.1 58 18 25908 270 15 15.0 -0.0 | 199 24 7.9 22.3 59 16 26518 295 32 29.0 -13.5 | 248 24 21.9 8.8 Wind Parameters Mean winds (0-6000m): 312.4 at 31.2 knts Storm direction: 342.4 at 23.4 knts Shear (0-3000m) pos: 0.0 neg: 5.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 103.4 deg Storm rel helicity (0-3000m) pos: 7.7 neg: -272.8 tot: -265.1 m^2/s^2 ave: -88.4 10^-3 m/s^2 rel: -0.73 Storm rel vorticity (0-3000m) horiz: 15.3 stream: -11.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 9.50 Bulk Shear: 50.66 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 ------------------------------------------------------------------------------- 500 346 35 352 12| 0.0 42.8 42.8| 0.0 -93.3 -93.3 -186.6 -0.76| 49.2-37.5 1000 337 42 330 19| 0.0 19.5 19.5| 0.0-160.6-160.6 -160.6 -0.77| 30.9-23.8 1500 331 42 318 20| 0.0 11.3 11.3| 0.0-221.8-221.8 -147.9 -0.80| 24.3-19.4 2000 327 40 307 18| 0.0 6.2 6.2| 0.0-260.4-260.4 -130.2 -0.80| 20.8-16.6 2500 324 38 299 17| 0.0 5.5 5.5| 7.7-263.7-256.0 -102.4 -0.75| 17.5-13.1 3000 321 37 292 17| 0.0 5.0 5.0| 7.7-272.8-265.1 -88.4 -0.73| 15.3-11.2 4000 316 35 278 17| 0.5 3.3 3.8| 7.7-324.8-317.1 -79.3 -0.73| 13.1 -9.5 5000 314 32 270 16| 1.0 3.1 4.1| 19.1-332.1-313.0 -62.6 -0.65| 11.5 -7.5 6000 312 31 265 16| 1.3 2.8 4.1| 61.7-334.3-272.5 -45.4 -0.50| 10.9 -5.4 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20250518.12.gif