UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 23 DEC 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 23.8 23.1 96 0.7 23.3 10 1 296.9 300.1 296.4 349.1 18.06 1 1000 93 23.8 23.1 96 0.7 23.3 20 4 297.0 300.2 296.5 349.2 18.07 2 925 774 21.4 18.8 85 2.6 19.6 295 16 301.2 303.9 295.6 345.1 14.93 3 883 1176 18.2 18.2 100 0.0 18.2 286 15 301.9 304.7 295.8 346.3 15.06 4 850 1503 16.8 15.5 92 1.3 16.0 280 15 303.7 306.2 295.0 342.8 13.14 5 700 3142 9.4 7.2 86 2.2 8.0 310 34 312.9 314.6 294.6 341.2 9.15 6 666 3555 7.4 3.6 77 3.8 5.2 308 34 315.1 316.6 294.0 338.6 7.46 7 601 4394 1.8 0.7 92 1.1 1.2 307 31 318.1 319.4 294.2 339.4 6.72 8 500 5860 -6.3 -6.3 100 0.0 -6.3 315 29 325.4 326.3 294.6 341.2 4.78 9 422 7172 -12.7 -13.1 97 0.4 -12.9 323 37 333.3 334.0 295.4 344.8 3.31 10 400 7580 -14.5 -16.4 85 1.9 -15.2 330 35 336.1 336.7 295.6 345.5 2.66 11 394 7695 -14.9 -17.4 81 2.5 -15.8 329 35 337.1 337.6 295.7 345.9 2.48 12 333 8951 -22.7 -28.7 58 6.0 -24.1 315 41 343.0 343.2 296.0 347.0 1.07 13 330 9018 -23.1 -28.1 64 5.0 -24.3 315 42 343.3 343.6 296.1 347.7 1.15 14 300 9710 -28.5 -32.0 72 3.5 -29.2 305 44 345.2 345.4 296.3 348.6 0.87 15 266 10553 -35.3 -37.7 79 2.4 -35.6 296 51 347.4 347.5 296.5 349.6 0.56 16 257 10791 -36.7 -41.0 64 4.3 -37.2 298 52 348.7 348.8 296.7 350.4 0.41 17 250 10980 -38.5 -42.5 66 4.0 -38.9 300 53 348.8 348.9 296.7 350.3 0.36 18 200 12470 -51.5 -56.5 55 5.0 -51.7 285 54 351.2 351.2 297.0 351.6 0.09 19 192 12733 -53.9 -58.4 58 4.5 -54.1 284 54 351.5 351.5 297.0 351.8 0.08 20 187 12902 -55.3 -59.4 60 4.1 -55.4 283 53 351.9 351.9 297.1 352.2 0.07 21 179 13179 -57.5 -66.5 31 9.0 -57.6 282 53 352.7 352.7 297.3 352.8 0.03 22 156 14032 -64.9 -68.9 58 4.0 -65.0 283 47 354.3 354.3 297.5 354.4 0.02 23 150 14270 -65.9 -71.9 43 6.0 -66.0 285 43 356.6 356.6 298.0 356.6 0.02 24 149 14311 -66.3 -73.3 37 7.0 -66.4 285 47 356.6 356.6 298.0 356.6 0.01 25 142 14603 -64.3 -82.3 7 18.0 -64.4 287 39 365.0 365.0 299.7 365.0 0.00 26 129 15184 -68.9 -74.9 42 6.0 -68.9 301 29 366.9 366.9 300.0 366.9 0.01 27 100 16680 -76.3 -86.3 19 10.0 -76.3 315 29 380.3 380.3 302.3 380.3 0.00 28 96 16915 -76.7 -90.7 9 14.0 -76.7 318 28 384.0 384.0 302.9 384.0 0.00 29 71 18630 -81.7 -90.7 20 9.0 -81.7 5 9 407.9 407.9 306.2 407.9 0.00 30 70 18710 -79.7 -89.7 18 10.0 -79.7 340 15 413.9 413.9 307.0 413.9 0.00 31 65 19134 -76.1 -88.1 13 12.0 -76.2 351 17 430.6 430.6 308.9 430.6 0.00 32 56 20004 -72.5 -89.5 6 17.0 -72.6 50 12 457.6 457.6 311.5 457.6 0.00 33 53 20327 -73.3 -89.3 7 16.0 -73.4 75 13 463.0 463.0 312.0 463.0 0.00 34 50 20670 -71.5 -89.5 5 18.0 -71.6 75 21 475.0 475.0 313.1 475.0 0.00 35 47 21039 -68.7 -89.7 3 21.0 -68.9 60 26 490.2 490.2 314.2 490.2 0.00 36 44 21439 -63.3 -89.3 2 26.0 -63.7 65 18 512.7 512.7 315.8 512.7 0.00 37 42 21726 -63.1 -89.1 2 26.0 -63.6 63 15 520.1 520.1 316.3 520.1 0.00 38 39 22180 -65.1 -89.1 2 24.0 -65.5 85 11 526.2 526.2 316.7 526.2 0.00 39 31 23612 -55.9 -85.9 1 30.0 -57.3 88 22 586.7 586.7 320.0 586.8 0.01 40 30 23820 -57.3 -86.3 1 29.0 -58.5 60 22 588.4 588.4 320.0 588.5 0.01 41 24 25246 -52.7 -84.7 1 32.0 -55.1 67 25 640.6 640.6 322.3 640.7 0.01 42 21 26107 -53.3 -85.3 1 32.0 -55.8 56 18 663.7 663.7 323.2 663.8 0.01 TRP 71 18630 -81.7 -90.7 20 9.0 -81.7 5 9 407.9 407.9 306.2 407.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5767.00 m Freezing level: 578.56 mb = 4719.80 m = 15484.72 ft Wetbulb zero: 584.95 mb = 4609.67 m = 15123.41 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 90.54 % Est. max temperature: 30.63 C = 87.13 F Sfc-Lift cond lev (LCL): 991.26 mb = 169.71 m = 556.80 ft T: 23.53 C 700-500 lapse rate: 5.78 C/km ThetaE index: 7.76 C Layer 850.0- 601.0 mb Conv cond level (CCL): 901.46 mb = 997.09 m = 3271.25 ft Mean mixing ratio: 16.13 g/kg Conv temperature: 28.53 C = 83.35 F Cap Strength: 1.40 C Lifted Index: -2.22 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 1.60 C Lifted Index @700 mb: -0.29 C Showalter Index: -0.64 C Risk: Thunderstorms probable Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.80 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 245.00 Risk: None Energy Index: -0.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 261.75 J/kg Max Up Vert Vel: 22.88 m/s Conv Inhibition (B-): 9.41 J/kg Cap Strength: 1.37 C Lift Cond Lev (LCL): 927.66 mb = 748.89 m = 2456.95 ft Lev Free Conv (LFC): 882.66 mb = 1179.37 m = 3869.27 ft Equ Level (EL): 392.66 mb = 7720.13 m = 25328.21 ft B at Equ Level: 259.17 J/kg Max Parcel Lev (MPL): 232.66 mb = 11459.89 m = 37597.60 ft Wind level data Storm motion: 337 at 18 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 10 1 -0.2 -1.0 | 155 17 -7.3 15.7 1 1000 93 20 4 -1.4 -3.8 | 147 16 -8.5 13.0 2 976 305 355 8 0.7 -8.0 | 144 11 -6.5 8.8 3 943 610 325 15 8.6 -12.3 | 198 5 1.4 4.4 4 925 774 295 16 14.5 -6.8 | 216 12 7.3 10.0 5 910 914 290 15 14.1 -5.1 | 211 14 6.9 11.6 6 850 1503 280 15 14.8 -2.6 | 208 16 7.6 14.1 7 848 1524 270 17 17.0 -0.0 | 210 19 9.8 16.7 8 789 2134 300 18 15.6 -9.0 | 227 11 8.4 7.7 9 761 2438 305 21 17.2 -12.0 | 245 11 10.0 4.7 10 734 2743 285 21 20.3 -5.4 | 229 17 13.1 11.3 11 700 3142 310 34 26.0 -21.9 | 285 20 18.9 -5.1 12 682 3353 310 34 26.0 -21.9 | 285 20 18.9 -5.1 13 609 4267 300 32 27.7 -16.0 | 268 21 20.5 0.7 14 586 4572 320 30 19.3 -23.0 | 297 14 12.1 -6.3 15 500 5860 315 29 20.5 -20.5 | 286 14 13.3 -3.8 16 485 6096 305 31 25.4 -17.8 | 273 18 18.2 -1.1 17 466 6401 300 35 30.3 -17.5 | 272 23 23.1 -0.8 18 448 6706 315 39 27.6 -27.6 | 298 23 20.4 -10.9 19 400 7580 330 35 17.5 -30.3 | 323 17 10.3 -13.6 20 398 7620 330 34 17.0 -29.4 | 322 16 9.8 -12.7 21 366 8230 325 39 22.4 -31.9 | 315 22 15.2 -15.2 22 300 9710 305 44 36.0 -25.2 | 286 30 28.9 -8.5 23 273 10363 295 50 45.3 -21.1 | 277 38 38.1 -4.4 24 250 10980 300 53 45.9 -26.5 | 284 40 38.7 -9.8 25 209 12192 285 57 55.1 -14.8 | 268 48 47.9 2.0 26 200 12470 285 54 52.2 -14.0 | 267 45 45.0 2.8 27 164 13716 280 52 51.2 -9.0 | 260 45 44.0 7.7 28 150 14270 285 43 41.5 -11.1 | 261 35 34.4 5.6 29 149 14326 285 48 46.4 -12.4 | 264 39 39.2 4.3 30 134 14935 290 27 25.4 -9.2 | 248 20 18.2 7.5 31 127 15240 305 29 23.8 -16.6 | 270 17 16.6 0.1 32 115 15850 295 30 27.2 -12.7 | 259 20 20.0 4.0 33 109 16154 325 23 13.2 -18.8 | 289 6 6.0 -2.1 34 104 16459 340 25 8.6 -23.5 | 348 7 1.4 -6.8 35 100 16680 315 29 20.5 -20.5 | 286 14 13.3 -3.8 36 93 17069 320 28 18.0 -21.4 | 294 12 10.8 -4.7 37 84 17678 320 27 17.4 -20.7 | 291 11 10.2 -4.0 38 80 17983 290 30 28.2 -10.3 | 253 22 21.0 6.5 39 71 18593 265 11 11.0 1.0 | 192 18 3.8 17.7 40 71 18630 5 9 -0.8 -9.0 | 134 11 -8.0 7.8 41 70 18710 340 15 5.1 -14.1 | 142 3 -2.0 2.6 42 68 18898 355 11 1.0 -11.0 | 133 8 -6.2 5.8 43 64 19202 350 19 3.3 -18.7 | 63 4 -3.9 -2.0 44 61 19507 335 10 4.2 -9.1 | 159 8 -2.9 7.7 45 58 19812 50 11 -8.4 -7.1 | 122 18 -15.6 9.7 46 55 20117 50 13 -10.0 -8.4 | 116 19 -17.1 8.4 47 52 20422 85 13 -13.0 -1.1 | 128 25 -20.1 15.6 48 50 20670 75 21 -20.3 -5.4 | 112 30 -27.5 11.3 49 47 21031 60 26 -22.5 -13.0 | 97 30 -29.7 3.7 50 45 21336 55 20 -16.4 -11.5 | 103 24 -23.6 5.3 51 43 21641 80 14 -13.8 -2.4 | 124 25 -21.0 14.3 52 41 21946 30 16 -8.0 -13.9 | 101 15 -15.2 2.9 53 39 22250 95 10 -10.0 0.9 | 136 25 -17.1 17.6 54 35 22860 60 18 -15.6 -9.0 | 109 24 -22.8 7.7 55 33 23165 100 21 -20.7 3.6 | 126 35 -27.9 20.4 56 32 23470 90 20 -20.0 0.0 | 122 32 -27.2 16.7 57 30 23774 85 24 -23.9 -2.1 | 115 34 -31.1 14.6 58 30 23820 60 22 -19.1 -11.0 | 102 27 -26.2 5.7 59 28 24079 55 20 -16.4 -11.5 | 103 24 -23.6 5.3 60 26 24384 80 21 -20.7 -3.6 | 115 31 -27.9 13.1 61 24 24689 65 24 -21.8 -10.1 | 103 30 -28.9 6.6 62 23 24994 75 30 -29.0 -7.8 | 104 37 -36.2 9.0 63 21 25298 55 18 -14.7 -10.3 | 106 23 -21.9 6.4 64 19 25603 65 23 -20.8 -9.7 | 104 29 -28.0 7.0 65 18 25908 45 23 -16.3 -16.3 | 91 23 -23.4 0.5 66 17 26213 65 24 -21.8 -10.1 | 103 30 -28.9 6.6 Wind Parameters Mean winds (0-6000m): 306.8 at 24.3 knts Storm direction: 336.8 at 18.2 knts Shear (0-3000m) pos: 3.2 neg: 3.5 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 122.2 deg Storm rel helicity (0-3000m) pos: 107.8 neg: -28.4 tot: 79.4 m^2/s^2 ave: 26.5 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 3.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 6.02 Bulk Shear: 43.49 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 ------------------------------------------------------------------------------- 500 345 9 149 10| 0.0 14.1 14.1| 7.4 -12.6 -5.3 -10.6 0.09| 16.5 1.5 1000 315 12 190 8| 0.0 7.7 7.7| 12.4 -17.2 -4.7 -4.7 0.12| 14.0 1.8 1500 301 13 202 11| 0.0 5.9 5.9| 17.5 -19.1 -1.6 -1.1 0.13| 11.0 1.4 2000 296 14 208 12| 1.9 4.4 6.4| 32.9 -19.1 13.8 6.9 0.20| 10.2 2.0 2500 297 15 214 12| 1.5 4.2 5.7| 42.5 -23.3 19.2 7.7 0.21| 9.5 2.0 3000 297 17 221 12| 3.2 3.5 6.6|107.8 -28.4 79.4 26.5 0.35| 10.9 3.9 4000 301 21 243 12| 2.6 2.8 5.3|121.4 -53.9 67.5 16.9 0.29| 9.2 2.6 5000 304 23 253 12| 2.5 2.3 4.8|156.7 -61.4 95.3 19.1 0.32| 8.6 2.7 6000 307 24 260 12| 2.1 2.4 4.5|156.7 -81.4 75.3 12.6 0.24| 7.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20251223.12.gif