UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for SBSM... Searching the city database file for: SBSM ... Date:1200Z 8 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 1002 85 23.2 19.8 81 3.4 20.8 120 6 296.2 298.8 293.9 338.4 14.66 1 1000 106 22.8 19.7 83 3.1 20.6 135 8 296.0 298.6 293.8 337.9 14.60 2 937 669 18.2 17.8 98 0.4 17.9 65 3 296.8 299.3 293.5 336.7 13.81 3 925 780 20.0 15.8 77 4.2 17.2 340 5 299.8 302.0 293.3 335.7 12.29 4 915 874 20.6 15.6 73 5.0 17.2 330 9 301.3 303.6 293.7 337.4 12.27 5 853 1477 16.0 16.0 100 0.0 16.0 304 25 302.6 305.1 295.0 342.6 13.53 6 850 1507 15.8 15.8 100 0.0 15.8 305 26 302.7 305.2 294.9 342.4 13.40 7 815 1865 14.8 14.5 98 0.3 14.6 338 23 305.3 307.7 295.2 343.7 12.85 8 797 2055 15.2 12.3 83 2.9 13.3 357 21 307.7 309.8 294.8 342.0 11.35 9 769 2358 14.2 8.2 67 6.0 10.5 5 22 309.8 311.4 293.6 337.0 8.91 10 700 3146 8.2 6.3 88 1.9 7.1 35 16 311.6 313.2 293.9 338.1 8.59 11 688 3289 6.8 5.9 94 0.9 6.3 32 17 311.6 313.2 293.8 337.8 8.50 12 645 3815 2.8 1.1 89 1.7 1.9 27 18 312.8 314.0 292.5 332.9 6.44 13 618 4161 0.8 -4.2 69 5.0 -1.6 33 16 314.4 315.2 291.4 328.8 4.54 14 565 4875 -4.5 -9.0 71 4.5 -6.4 45 19 316.3 317.0 291.0 327.4 3.43 15 547 5130 -6.5 -6.5 100 0.0 -6.5 45 18 316.9 317.7 291.9 330.7 4.30 16 534 5318 -6.7 -18.7 38 12.0 -10.6 45 18 318.8 319.1 290.1 324.3 1.64 17 522 5495 -7.3 -30.3 14 23.0 -12.9 45 17 320.2 320.3 289.5 322.3 0.59 18 506 5738 -8.9 -33.9 11 25.0 -14.3 45 17 321.1 321.2 289.6 322.7 0.43 19 500 5830 -9.7 -33.7 12 24.0 -14.9 45 16 321.2 321.3 289.6 322.8 0.44 20 463 6418 -13.1 -30.1 23 17.0 -17.0 15 19 324.1 324.2 290.7 326.6 0.68 21 456 6534 -13.7 -25.7 36 12.0 -16.8 15 16 324.8 325.0 291.3 328.4 1.03 22 452 6601 -13.3 -17.5 71 4.2 -14.7 15 15 326.1 326.5 292.6 333.4 2.14 23 408 7372 -17.5 -22.2 67 4.7 -18.8 319 8 330.4 330.7 293.3 336.0 1.58 24 400 7520 -18.5 -22.7 69 4.2 -19.7 295 9 330.9 331.3 293.4 336.4 1.54 25 375 7998 -22.5 -23.9 88 1.4 -22.9 252 14 331.8 332.1 293.6 337.1 1.48 26 332 8882 -28.5 -34.5 56 6.0 -29.5 285 27 335.4 335.5 293.7 337.7 0.62 27 313 9301 -31.9 -36.0 67 4.1 -32.5 282 39 336.3 336.4 293.9 338.5 0.56 28 302 9553 -33.3 -41.3 45 8.0 -34.2 280 46 337.8 337.9 294.1 339.1 0.34 29 300 9600 -33.7 -41.7 44 8.0 -34.6 280 47 337.9 337.9 294.1 339.2 0.33 30 279 10105 -38.5 -42.8 64 4.3 -38.9 278 47 338.0 338.1 294.1 339.3 0.31 31 250 10850 -44.9 -50.9 51 6.0 -45.2 285 46 339.3 339.3 294.3 339.9 0.14 32 216 11809 -53.5 -59.5 48 6.0 -53.7 285 60 340.5 340.5 294.5 340.7 0.06 33 200 12300 -57.7 -62.0 58 4.3 -57.8 285 69 341.4 341.4 294.7 341.6 0.05 34 199 12332 -57.9 -62.1 59 4.2 -58.0 285 69 341.6 341.6 294.7 341.8 0.05 35 171 13268 -65.1 -67.7 70 2.6 -65.1 282 78 344.8 344.8 295.5 344.9 0.02 36 169 13340 -65.5 -69.2 60 3.7 -65.5 281 77 345.3 345.3 295.6 345.4 0.02 37 166 13449 -63.9 -78.7 12 14.7 -64.0 275 89 349.7 349.7 296.5 349.7 0.00 38 163 13561 -62.3 -88.3 2 26.0 -62.4 275 89 354.2 354.2 297.5 354.2 0.00 39 161 13637 -62.1 -86.1 3 24.0 -62.3 275 89 355.8 355.8 297.8 355.8 0.00 40 150 14070 -64.9 -81.9 8 17.0 -65.0 260 75 358.3 358.3 298.4 358.3 0.00 41 131 14890 -68.7 -83.7 10 15.0 -68.8 260 54 365.6 365.6 299.8 365.6 0.00 42 119 15469 -66.7 -85.7 5 19.0 -66.8 252 62 379.5 379.5 302.2 379.5 0.00 43 105 16219 -70.7 -86.7 8 16.0 -70.8 252 32 385.7 385.7 303.2 385.7 0.00 44 100 16510 -69.5 -86.5 7 17.0 -69.6 245 43 393.4 393.4 304.3 393.5 0.00 45 88 17267 -71.5 -88.5 6 17.0 -71.6 233 41 404.1 404.1 305.7 404.1 0.00 46 80 17835 -67.3 -88.3 4 21.0 -67.4 230 42 423.9 423.9 308.2 423.9 0.00 47 70 18630 -71.9 -88.9 6 17.0 -72.0 5 6 430.6 430.6 308.9 430.6 0.00 48 64 19155 -74.9 -88.9 10 14.0 -75.0 345 9 435.2 435.2 309.4 435.2 0.00 49 56 19943 -69.3 -90.3 3 21.0 -69.5 204 16 464.9 464.9 312.2 464.9 0.00 50 51 20501 -69.7 -90.7 3 21.0 -69.9 208 17 476.5 476.5 313.2 476.5 0.00 51 50 20620 -68.5 -90.5 3 22.0 -68.7 205 17 482.1 482.1 313.6 482.1 0.00 52 45 21258 -63.5 -90.5 1 27.0 -63.9 185 12 509.0 509.0 315.6 509.0 0.00 53 39 22138 -62.1 -90.1 1 28.0 -62.7 326 6 533.8 533.8 317.2 533.8 0.00 54 37 22462 -63.5 -90.5 1 27.0 -64.0 305 9 538.3 538.3 317.4 538.3 0.00 55 30 23770 -56.5 -88.5 1 32.0 -57.9 55 11 590.6 590.6 320.2 590.6 0.01 56 28 24206 -58.7 -89.7 1 31.0 -59.8 41 12 596.3 596.3 320.5 596.3 0.00 57 22 25744 -52.3 -87.3 1 35.0 -54.9 95 16 657.9 657.9 323.0 658.0 0.01 58 20 26360 -52.9 -87.9 1 35.0 -55.6 95 18 674.3 674.3 323.6 674.3 0.01 59 19 26692 -52.1 -88.1 1 36.0 -55.1 90 21 686.7 686.7 324.0 686.8 0.01 60 19 26692 -52.3 -88.3 1 36.0 -55.3 90 21 686.1 686.1 324.0 686.1 0.01 61 17 27420 -46.5 -85.5 0 39.0 -51.7 94 14 726.9 726.9 325.3 727.0 0.02 62 15 28249 -47.7 -86.7 0 39.0 -52.8 86 7 749.4 749.4 325.9 749.5 0.01 TRP 131 14890 -68.7 -83.7 10 15.0 -68.8 260 54 365.6 365.6 299.8 365.6 0.00 WND 166 13449 -63.9 -78.7 12 14.7 -64.0 275 89 349.7 349.7 296.5 349.7 0.00 Sounding variables and indices 1000-500 mb thick: 5724.00 m Freezing level: 610.00 mb = 4268.59 m = 14004.40 ft Wetbulb zero: 630.45 mb = 3999.73 m = 13122.31 ft Precipitable water: 1.88 inches Sfc-500 mean rel hum: 76.51 % Est. max temperature: 29.66 C = 85.38 F Sfc-Lift cond lev (LCL): 953.50 mb = 517.99 m = 1699.41 ft T: 19.43 C 700-500 lapse rate: 6.67 C/km ThetaE index: 6.68 C Layer 797.0- 700.0 mb Conv cond level (CCL): 855.18 mb = 1455.05 m = 4773.73 ft Mean mixing ratio: 13.63 g/kg Conv temperature: 29.57 C = 85.23 F Cap Strength: 3.63 C Lifted Index: -1.75 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.02 C Lifted Index @700 mb: 1.38 C Showalter Index: -3.86 C Risk: Severe thunderstorms possible Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 25.50 C K Index: 39.40 Risk: > 80 % chance of thunderstorms Sweat Index: 297.60 Risk: None Energy Index: -3.81 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 192.52 J/kg Max Up Vert Vel: 19.62 m/s Conv Inhibition (B-): 209.64 J/kg Cap Strength: 3.58 C Lift Cond Lev (LCL): 916.89 mb = 856.21 m = 2809.05 ft Lev Free Conv (LFC): 661.89 mb = 3604.43 m = 11825.41 ft Equ Level (EL): 431.89 mb = 6943.56 m = 22780.43 ft B at Equ Level: 192.41 J/kg Max Parcel Lev (MPL): 241.89 mb = 11066.44 m = 36306.78 ft Wind level data Storm motion: 49 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 1002 85 120 6 -5.2 3.0 | 202 12 4.5 11.4 1 1000 106 135 8 -5.7 5.7 | 196 15 4.1 14.1 2 977 305 135 10 -7.1 7.1 | 190 16 2.7 15.5 3 943 610 110 2 -1.9 0.7 | 221 12 7.9 9.1 4 925 780 340 5 1.7 -4.7 | 252 12 11.4 3.7 5 911 914 325 11 6.3 -9.0 | 272 16 16.0 -0.6 6 879 1219 295 19 17.2 -8.0 | 269 27 27.0 0.4 7 850 1507 305 26 21.3 -14.9 | 282 32 31.0 -6.5 8 848 1524 305 26 21.3 -14.9 | 282 32 31.0 -6.5 9 789 2134 5 20 -1.7 -19.9 | 325 14 8.0 -11.5 10 761 2438 5 23 -2.0 -22.9 | 332 16 7.7 -14.5 11 708 3048 45 18 -12.7 -12.7 | 35 5 -3.0 -4.3 12 700 3146 35 16 -9.2 -13.1 | 353 5 0.6 -4.7 13 657 3658 25 18 -7.6 -16.3 | 345 8 2.1 -7.9 14 608 4267 35 16 -9.2 -13.1 | 353 5 0.6 -4.7 15 585 4572 45 19 -13.4 -13.4 | 36 6 -3.7 -5.0 16 502 5791 45 17 -12.0 -12.0 | 32 4 -2.3 -3.6 17 500 5830 45 16 -11.3 -11.3 | 29 3 -1.6 -2.9 18 483 6096 35 16 -9.2 -13.1 | 353 5 0.6 -4.7 19 464 6401 15 19 -4.9 -18.4 | 334 11 4.8 -9.9 20 428 7010 15 5 -1.3 -4.8 | 247 9 8.4 3.6 21 400 7520 295 9 8.2 -3.8 | 256 18 17.9 4.6 22 395 7620 285 10 9.7 -2.6 | 253 20 19.4 5.8 23 378 7925 250 14 13.2 4.8 | 240 26 22.9 13.2 24 363 8230 260 15 14.8 2.6 | 246 27 24.5 11.0 25 333 8839 285 26 25.1 -6.7 | 267 35 34.8 1.7 26 300 9600 280 47 46.3 -8.2 | 270 56 56.0 0.3 27 293 9754 275 47 46.8 -4.1 | 266 57 56.6 4.3 28 250 10850 285 46 44.4 -11.9 | 274 54 54.2 -3.5 29 245 10973 285 46 44.4 -11.9 | 274 54 54.2 -3.5 30 200 12300 285 69 66.6 -17.9 | 277 77 76.4 -9.4 31 175 13106 285 82 79.2 -21.2 | 278 90 88.9 -12.8 32 167 13411 280 75 73.9 -13.0 | 273 84 83.6 -4.6 33 166 13449 275 89 88.7 -7.8 | 270 98 98.4 0.7 34 159 13716 275 89 88.7 -7.8 | 270 98 98.4 0.7 35 150 14070 260 75 73.9 13.0 | 256 86 83.6 21.4 36 144 14326 260 71 69.9 12.3 | 255 82 79.7 20.8 37 131 14890 260 54 53.2 9.4 | 254 65 62.9 17.8 38 130 14935 265 53 52.8 4.6 | 258 64 62.5 13.0 39 117 15545 250 63 59.2 21.5 | 247 75 68.9 30.0 40 112 15850 240 34 29.4 17.0 | 237 47 39.2 25.4 41 106 16154 250 31 29.1 10.6 | 244 43 38.9 19.0 42 101 16459 260 35 34.5 6.1 | 252 47 44.2 14.5 43 100 16510 245 43 39.0 18.2 | 241 55 48.7 26.6 44 96 16764 245 40 36.3 16.9 | 241 52 46.0 25.3 45 91 17069 230 40 30.6 25.7 | 230 53 40.4 34.1 46 82 17678 240 44 38.1 22.0 | 238 57 47.8 30.4 47 78 17983 220 40 25.7 30.6 | 222 53 35.4 39.1 48 74 18288 195 10 2.6 9.7 | 214 22 12.3 18.1 49 70 18593 205 4 1.7 3.6 | 223 17 11.4 12.0 50 70 18630 5 6 -0.5 -6.0 | 255 10 9.2 2.4 51 67 18898 75 2 -1.9 -0.5 | 225 11 7.8 7.9 52 64 19202 330 10 5.0 -8.7 | 271 15 14.7 -0.2 53 60 19507 270 14 14.0 -0.0 | 250 25 23.7 8.4 54 57 19812 220 14 9.0 10.7 | 224 27 18.7 19.1 55 54 20117 185 19 1.7 18.9 | 203 30 11.4 27.4 56 52 20422 210 17 8.5 14.7 | 218 29 18.2 23.1 57 50 20620 205 17 7.2 15.4 | 215 29 16.9 23.8 58 49 20726 205 19 8.0 17.2 | 215 31 17.8 25.6 59 47 21031 205 17 7.2 15.4 | 215 29 16.9 23.8 60 45 21336 180 11 0.0 11.0 | 207 22 9.7 19.4 61 42 21641 0 0 -0.0 -0.0 | 229 13 9.7 8.4 62 37 22555 300 10 8.7 -5.0 | 259 19 18.4 3.4 63 35 22860 270 10 10.0 -0.0 | 247 21 19.7 8.4 64 33 23165 165 17 -4.4 16.4 | 192 25 5.3 24.8 65 31 23470 145 14 -8.0 11.5 | 185 20 1.7 19.9 66 30 23770 55 11 -9.0 -6.3 | 199 2 0.7 2.1 67 27 24384 35 12 -6.9 -9.8 | 296 3 2.8 -1.4 68 25 24994 115 11 -10.0 4.6 | 179 13 -0.2 13.1 69 23 25603 80 15 -14.8 -2.6 | 139 8 -5.0 5.8 70 21 25908 110 18 -16.9 6.2 | 154 16 -7.2 14.6 71 20 26360 95 18 -17.9 1.6 | 141 13 -8.2 10.0 72 19 26518 90 21 -21.0 0.0 | 127 14 -11.3 8.4 73 16 27127 95 11 -11.0 1.0 | 173 9 -1.2 9.4 74 15 27432 85 7 -7.0 -0.6 | 199 8 2.8 7.8 75 14 27737 40 22 -14.1 -16.9 | 28 10 -4.4 -8.4 76 12 28346 40 14 -9.0 -10.7 | 342 2 0.7 -2.3 Wind Parameters Mean winds (0-6000m): 19.1 at 17.2 knts Storm direction: 49.1 at 12.9 knts Shear (0-3000m) pos: 4.1 neg: 3.7 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 178.1 deg Storm rel helicity (0-3000m) pos: 244.5 neg: -18.6 tot: 225.8 m^2/s^2 ave: 75.3 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 14.8 stream: 8.1 10^-3/s Energy-Hel index: 0.25 Bulk Rich Number: 3.23 Bulk Shear: 59.62 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 ------------------------------------------------------------------------------- 500 133 7 198 14| 0.0 3.5 3.5| 20.8 -10.4 10.5 20.9 0.28| 12.4 3.4 1000 62 8 211 6| 0.0 11.0 11.0| 57.8 -11.4 46.4 46.4 0.46| 16.7 7.6 1500 304 12 266 20| 3.4 7.4 10.8|121.1 -18.2 102.9 68.6 0.46| 16.3 7.5 2000 318 15 278 20| 4.2 5.5 9.7|207.4 -18.2 189.2 94.6 0.53| 17.4 9.2 2500 334 16 291 18| 4.3 4.4 8.7|228.2 -18.2 210.1 84.0 0.55| 15.5 8.5 3000 347 17 301 16| 4.1 3.7 7.8|244.5 -18.6 225.8 75.3 0.55| 14.8 8.1 4000 1 17 313 13| 3.2 3.3 6.5|245.6 -22.9 222.7 55.7 0.48| 12.1 5.8 5000 12 17 324 10| 3.0 2.7 5.7|251.5 -23.1 228.3 45.7 0.49| 10.3 5.0 6000 19 17 332 9| 2.5 2.5 5.0|251.5 -26.2 225.3 37.6 0.44| 9.0 4.0 Wrote GIF file: /home/apache/climate/data/raob//SBSM/skewt/SBSM.skewt.20251208.12.gif