UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 22 DEC 25 Station: SGAS WMO ident: 86218 Latitude: -25.27 Longitude: -57.63 Elevation: 101.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 45 50 14 SFC 996 101 26.6 24.3 87 2.3 24.9 50 14 300.1 303.7 298.2 357.5 19.55 2 950 505 23.2 22.4 95 0.8 22.6 359 22 300.7 304.1 297.5 354.3 18.24 3 931 677 23.8 21.3 86 2.5 22.0 337 25 303.1 306.3 297.6 354.7 17.38 4 925 732 23.8 21.6 88 2.2 22.2 330 26 303.6 306.9 298.0 356.7 17.83 5 881 1158 21.2 20.8 98 0.4 20.9 336 30 305.2 308.5 298.4 358.6 17.82 6 855 1419 20.6 17.5 82 3.1 18.4 339 33 307.2 310.0 297.1 352.1 14.88 7 850 1470 20.2 16.9 81 3.3 17.9 340 33 307.3 310.0 296.8 350.7 14.40 8 776 2252 15.0 14.4 96 0.6 14.6 349 29 309.8 312.4 296.8 350.7 13.42 9 700 3121 10.4 9.6 95 0.8 9.9 360 24 314.0 316.1 296.1 347.5 10.79 10 684 3314 9.0 9.0 100 0.0 9.0 0 24 314.5 316.6 296.1 347.5 10.60 11 569 4821 0.2 -0.2 97 0.4 -0.0 3 25 321.2 322.5 295.0 342.6 6.65 12 563 4906 0.0 -2.9 81 2.9 -1.5 3 25 321.9 323.0 294.3 339.8 5.50 13 517 5586 -4.3 -4.7 97 0.4 -4.5 5 26 324.7 325.7 294.8 341.9 5.23 14 504 5787 -5.7 -8.0 84 2.3 -6.8 5 26 325.3 326.2 294.1 339.2 4.16 15 500 5850 -5.9 -10.7 69 4.8 -7.9 5 26 325.8 326.5 293.6 337.2 3.38 16 496 5913 -6.1 -12.1 62 6.0 -8.6 5 26 326.4 327.0 293.5 336.7 3.05 17 476 6232 -7.9 -11.3 77 3.4 -9.4 5 26 328.0 328.7 294.2 339.5 3.39 18 444 6768 -10.5 -24.5 31 14.0 -14.6 5 25 331.3 331.5 293.2 335.6 1.18 19 420 7191 -13.1 -15.5 82 2.4 -14.0 5 25 333.3 333.8 295.0 342.8 2.73 20 400 7560 -15.1 -18.7 74 3.6 -16.3 5 25 335.4 335.8 295.1 343.1 2.19 21 379 7966 -18.5 -20.1 87 1.6 -19.0 356 26 336.1 336.5 295.1 343.4 2.05 22 325 9101 -24.3 -27.9 72 3.6 -25.2 329 31 343.2 343.4 296.1 347.6 1.19 23 311 9420 -26.7 -29.4 78 2.7 -27.3 321 32 344.2 344.4 296.3 348.3 1.08 24 300 9680 -28.1 -31.7 71 3.6 -28.8 315 33 345.8 346.0 296.4 349.2 0.90 25 279 10200 -31.7 -39.7 45 8.0 -32.8 303 33 347.8 347.9 296.5 349.6 0.43 26 266 10537 -34.5 -38.1 70 3.6 -35.0 295 32 348.5 348.6 296.8 350.7 0.54 27 261 10670 -35.1 -46.1 32 11.0 -36.2 292 32 349.5 349.6 296.7 350.5 0.23 28 255 10832 -36.1 -46.1 35 10.0 -37.1 288 32 350.4 350.5 297.0 351.4 0.24 29 250 10970 -37.3 -46.3 39 9.0 -38.1 285 32 350.6 350.7 297.0 351.6 0.24 30 237 11334 -40.7 -47.7 47 7.0 -41.3 283 32 350.9 350.9 297.0 351.8 0.22 31 226 11654 -43.1 -56.1 23 13.0 -43.8 280 33 352.0 352.0 297.1 352.4 0.08 32 201 12428 -50.1 -54.2 62 4.1 -50.3 275 34 352.9 353.0 297.4 353.4 0.12 33 200 12460 -50.3 -55.1 57 4.8 -50.5 275 34 353.1 353.1 297.4 353.6 0.11 34 171 13463 -59.3 -61.6 74 2.3 -59.3 286 37 354.4 354.4 297.6 354.6 0.06 35 162 13800 -62.3 -68.3 44 6.0 -62.4 290 38 354.9 354.9 297.7 355.0 0.02 36 156 14032 -64.9 -68.9 58 4.0 -65.0 292 38 354.3 354.3 297.5 354.4 0.02 37 150 14270 -66.9 -71.5 52 4.6 -67.0 295 39 354.8 354.8 297.7 354.9 0.02 38 134 14941 -72.7 -78.7 40 6.0 -72.7 319 38 356.2 356.2 298.0 356.2 0.01 39 127 15259 -69.3 -81.3 16 12.0 -69.4 330 37 367.8 367.8 300.2 367.8 0.00 40 118 15696 -70.7 -88.7 5 18.0 -70.8 345 37 373.0 373.0 301.1 373.0 0.00 41 100 16660 -77.5 -90.5 11 13.0 -77.5 20 35 378.0 378.0 301.9 378.0 0.00 42 83 17717 -80.9 -90.9 17 10.0 -80.9 45 24 391.8 391.8 304.0 391.8 0.00 43 80 17926 -77.9 -89.9 13 12.0 -77.9 40 21 402.1 402.1 305.5 402.1 0.00 44 70 18680 -82.3 -90.3 24 8.0 -82.3 20 11 408.3 408.3 306.3 408.3 0.00 45 69 18760 -82.5 -90.5 24 8.0 -82.5 23 11 409.6 409.6 306.5 409.6 0.00 46 63 19279 -73.7 -89.7 7 16.0 -73.7 39 13 439.8 439.8 309.8 439.8 0.00 47 61 19468 -73.1 -90.1 6 17.0 -73.2 45 13 445.2 445.2 310.4 445.2 0.00 48 56 19972 -70.1 -90.1 4 20.0 -70.2 60 15 463.0 463.0 312.0 463.1 0.00 49 52 20409 -72.9 -90.9 5 18.0 -73.0 73 16 466.4 466.4 312.3 466.4 0.00 50 50 20640 -71.3 -91.3 4 20.0 -71.4 80 17 475.5 475.5 313.1 475.5 0.00 51 43 21531 -71.3 -91.3 4 20.0 -71.5 77 19 496.4 496.4 314.7 496.4 0.00 52 42 21671 -68.9 -91.9 2 23.0 -69.1 77 19 505.7 505.7 315.4 505.7 0.00 53 40 21968 -60.9 -91.9 1 31.0 -61.6 76 20 532.9 532.9 317.1 532.9 0.00 54 39 22125 -60.3 -90.3 1 30.0 -61.0 75 20 538.3 538.3 317.4 538.3 0.00 55 35 22808 -54.7 -87.7 1 33.0 -56.1 73 22 569.8 569.8 319.2 569.9 0.01 56 30 23790 -56.5 -87.5 1 31.0 -57.9 70 24 590.6 590.6 320.2 590.6 0.01 57 28 24226 -57.7 -88.7 1 31.0 -59.0 71 25 599.0 599.0 320.6 599.1 0.01 58 20 26360 -55.5 -87.5 1 32.0 -57.6 75 30 666.3 666.3 323.3 666.4 0.01 59 14 28684 -45.9 -84.9 0 39.0 -52.0 770.4 770.4 326.5 770.6 0.02 TRP 83 17717 -80.9 -90.9 17 10.0 -80.9 45 24 391.8 391.8 304.0 391.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 563.00 mb = 4905.94 m = 16095.42 ft Wetbulb zero: 569.49 mb = 4813.51 m = 15792.15 ft Precipitable water: 2.56 inches Sfc-500 mean rel hum: 93.08 % Est. max temperature: 33.94 C = 93.09 F Sfc-Lift cond lev (LCL): 963.72 mb = 382.46 m = 1254.77 ft T: 24.23 C 700-500 lapse rate: 5.97 C/km ThetaE index: 11.07 C Layer 855.0- 684.0 mb Conv cond level (CCL): 881.86 mb = 1149.92 m = 3772.67 ft Mean mixing ratio: 18.29 g/kg Conv temperature: 31.68 C = 89.02 F Cap Strength: 1.66 C Lifted Index: -5.04 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -2.92 C Lifted Index @700 mb: -1.81 C Showalter Index: -3.22 C Risk: Severe thunderstorms possible Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 22.80 C K Index: 42.20 Risk: > 80 % chance of thunderstorms Sweat Index: 294.80 Risk: None Energy Index: -2.65 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1389.31 J/kg Max Up Vert Vel: 52.71 m/s Conv Inhibition (B-): 37.79 J/kg Cap Strength: 1.66 C Lift Cond Lev (LCL): 923.20 mb = 749.08 m = 2457.59 ft Lev Free Conv (LFC): 808.20 mb = 1902.85 m = 6242.88 ft Equ Level (EL): 138.20 mb = 14757.75 m = 48417.22 ft B at Equ Level: 1384.68 J/kg Max Parcel Lev (MPL): 88.20 mb = 17372.61 m = 56996.06 ft Wind level data Storm motion: 24 at 19 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 ---------------------------------------------------------- 0 996 101 50 14 -10.7 -9.0 | 163 9 -2.7 8.8 1 925 732 330 26 13.0 -22.5 | 283 22 21.1 -4.8 2 850 1470 340 33 11.3 -31.0 | 304 23 19.3 -13.3 3 700 3121 360 24 -0.0 -24.0 | 308 10 8.1 -6.2 4 500 5850 5 26 -2.3 -25.9 | 325 10 5.8 -8.1 5 400 7560 5 25 -2.2 -24.9 | 321 9 5.9 -7.1 6 300 9680 315 33 23.3 -23.3 | 280 32 31.4 -5.6 7 250 10970 285 32 30.9 -8.3 | 256 40 39.0 9.5 8 200 12460 275 34 33.9 -3.0 | 251 44 41.9 14.8 9 150 14270 295 39 35.3 -16.5 | 268 43 43.4 1.3 10 100 16660 20 35 -12.0 -32.9 | 15 16 -3.9 -15.1 11 83 17717 45 24 -17.0 -17.0 | 95 9 -8.9 0.8 12 70 18680 20 11 -3.8 -10.3 | 210 9 4.3 7.4 13 50 20640 80 17 -16.7 -3.0 | 150 17 -8.7 14.8 14 30 23790 70 24 -22.6 -8.2 | 123 17 -14.5 9.5 15 20 26360 75 30 -29.0 -7.8 | 116 23 -20.9 10.0 Wind Parameters Mean winds (0-6000m): 354.4 at 26.0 knts Storm direction: 24.4 at 19.5 knts Shear (0-3000m) pos: 2.2 neg: 5.0 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 144.9 deg Storm rel helicity (0-3000m) pos: 58.5 neg: -11.1 tot: 47.3 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 2.4 10^-3/s Energy-Hel index: 0.49 Bulk Rich Number: 154.75 Bulk Shear: 8.98 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 4 19 278 7| 0.0 21.9 21.9| 4.1 -2.5 1.6 3.1 0.28| 24.4 6.8 1000 344 23 286 15| 0.0 15.0 15.0| 24.0 -10.4 13.6 13.6 0.24| 17.9 4.2 1500 342 26 293 17| 1.5 10.0 11.6| 52.0 -10.4 41.5 27.7 0.32| 13.8 4.4 2000 343 27 296 18| 1.7 7.5 9.2| 56.8 -10.4 46.3 23.2 0.31| 11.4 3.5 2500 344 27 299 18| 2.0 6.0 8.0| 58.5 -10.4 48.0 19.2 0.29| 10.0 2.9 3000 346 27 300 17| 2.2 5.0 7.2| 58.5 -11.1 47.3 15.8 0.27| 9.0 2.4 4000 349 26 302 15| 1.7 3.8 5.5| 61.2 -11.1 50.1 12.5 0.28| 6.9 1.9 5000 352 26 305 14| 1.5 3.0 4.5| 64.1 -11.1 52.9 10.6 0.29| 5.6 1.6 6000 354 26 307 13| 1.3 2.5 3.8| 66.2 -11.3 54.9 9.1 0.30| 4.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251222.12.gif