UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 9 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 39 270 17 SFC 995 101 19.8 17.6 87 2.2 18.4 270 17 293.4 295.7 291.7 329.9 12.83 2 994 109 21.2 17.8 81 3.4 18.9 270 17 294.9 297.2 292.3 332.1 13.01 3 958 418 17.4 16.5 94 0.9 16.8 254 18 294.1 296.4 291.6 329.6 12.42 4 929 672 15.2 15.2 100 0.0 15.2 242 18 294.5 296.6 291.2 328.2 11.77 5 925 708 14.8 14.8 100 0.0 14.8 240 18 294.4 296.5 291.0 327.4 11.52 6 887 1063 13.2 11.6 90 1.6 12.2 238 23 296.3 298.1 290.1 324.5 9.72 7 856 1363 14.4 9.6 73 4.8 11.5 235 28 300.6 302.2 290.7 326.6 8.80 8 850 1423 14.2 9.2 72 5.0 11.2 235 29 301.0 302.6 290.7 326.5 8.62 9 802 1913 13.2 4.2 54 9.0 8.1 244 30 305.0 306.2 290.2 324.6 6.46 10 700 3048 8.4 -1.6 49 10.0 3.2 265 33 311.8 312.7 290.9 327.0 4.86 11 684 3238 7.8 -3.2 46 11.0 2.2 263 34 313.2 314.0 290.9 327.2 4.42 12 667 3445 8.4 -6.6 34 15.0 1.3 261 35 316.1 316.8 291.0 327.4 3.50 13 574 4670 3.2 -21.8 14 25.0 -5.4 247 39 323.9 324.1 291.2 328.0 1.16 14 569 4741 2.8 -21.2 15 24.0 -5.5 247 40 324.2 324.5 291.3 328.6 1.24 15 500 5770 -4.9 -35.9 7 31.0 -12.0 235 44 327.1 327.1 291.3 328.4 0.36 16 491 5913 -6.3 -37.3 7 31.0 -13.0 234 46 327.1 327.1 291.2 328.2 0.32 17 413 7255 -12.3 -52.3 2 40.0 -18.1 222 64 335.9 335.9 293.4 336.2 0.07 18 400 7500 -13.9 -53.9 2 40.0 -19.3 220 67 336.9 336.9 293.6 337.2 0.06 19 358 8328 -21.0 -56.4 3 35.4 -24.7 220 82 338.3 338.3 293.9 338.5 0.05 20 300 9600 -32.3 -60.3 4 28.0 -34.1 225 78 339.9 339.9 294.3 340.0 0.04 21 265 10464 -40.3 -62.3 8 22.0 -41.2 228 72 340.4 340.4 294.4 340.6 0.03 22 250 10860 -42.9 -66.9 5 24.0 -43.7 230 69 342.3 342.3 294.9 342.4 0.02 23 200 12330 -54.1 -73.1 8 19.0 -54.4 240 60 347.1 347.1 296.0 347.1 0.01 24 176 13136 -60.5 -74.5 14 14.0 -60.6 253 56 349.5 349.5 296.5 349.5 0.01 25 160 13725 -62.7 -79.7 8 17.0 -62.8 263 54 355.4 355.4 297.8 355.5 0.00 26 150 14120 -65.1 -81.1 9 16.0 -65.2 270 52 357.9 357.9 298.3 358.0 0.00 27 121 15402 -72.7 -83.7 17 11.0 -72.8 248 48 366.7 366.7 299.9 366.7 0.00 28 112 15854 -74.1 -85.1 17 11.0 -74.2 240 47 372.3 372.3 300.9 372.3 0.00 29 100 16520 -69.9 -87.9 6 18.0 -70.0 235 44 392.7 392.7 304.2 392.7 0.00 30 86 17417 -70.7 -87.7 6 17.0 -70.8 199 33 408.4 408.4 306.3 408.4 0.00 31 76 18143 -74.9 -88.9 10 14.0 -74.9 170 24 414.3 414.3 307.0 414.3 0.00 32 70 18620 -75.7 -88.7 11 13.0 -75.7 150 18 422.4 422.4 308.0 422.4 0.00 33 69 18703 -75.9 -88.9 11 13.0 -75.9 147 18 423.7 423.7 308.2 423.8 0.00 34 51 20472 -71.3 -90.3 4 19.0 -71.4 89 19 472.8 472.8 312.8 472.8 0.00 35 50 20590 -68.7 -90.7 3 22.0 -68.9 85 19 481.6 481.6 313.6 481.6 0.00 36 46 21092 -66.1 -90.1 2 24.0 -66.4 87 18 499.5 499.5 314.9 499.5 0.00 37 39 22095 -64.9 -89.9 2 25.0 -65.3 90 15 526.7 526.7 316.7 526.7 0.00 38 38 22254 -62.1 -89.1 2 27.0 -62.7 90 15 537.7 537.7 317.4 537.8 0.00 39 30 23730 -57.7 -86.7 1 29.0 -58.9 95 11 587.3 587.3 320.0 587.4 0.01 40 26 24641 -53.7 -83.7 1 30.0 -55.7 623.2 623.2 321.6 623.3 0.01 TRP 112 15854 -74.1 -85.1 17 11.0 -74.2 240 47 372.3 372.3 300.9 372.3 0.00 WND 358 8328 -21.0 -56.4 3 35.4 -24.7 220 82 338.3 338.3 293.9 338.5 0.05 Sounding variables and indices 1000-500 mb thick: 5731.00 m Freezing level: 543.91 mb = 5115.19 m = 16781.90 ft Wetbulb zero: 649.59 mb = 3660.94 m = 12010.81 ft Precipitable water: 1.19 inches Sfc-500 mean rel hum: 46.62 % Est. max temperature: 27.84 C = 82.11 F Sfc-Lift cond lev (LCL): 963.51 mb = 369.97 m = 1213.80 ft T: 17.99 C 700-500 lapse rate: 4.89 C/km ThetaE index: 7.66 C Layer 958.0- 856.0 mb Conv cond level (CCL): 931.95 mb = 646.21 m = 2120.09 ft Mean mixing ratio: 11.89 g/kg Conv temperature: 20.88 C = 69.58 F Cap Strength: 8.29 C Lifted Index: 6.92 C Risk: None Lifted Index @300 mb: 8.81 C Lifted Index @700 mb: 4.51 C Showalter Index: 8.03 C Risk: None Total Totals Index: 33.20 C Risk: None Vertical Totals Index: 19.10 C Cross Totals Index: 14.10 C K Index: 18.30 Risk: < 20 % chance of thunderstorms Sweat Index: 212.40 Risk: None Energy Index: 0.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.52 J/kg Max Up Vert Vel: 4.36 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 8.26 C Lift Cond Lev (LCL): 929.39 mb = 668.98 m = 2194.78 ft Lev Free Conv (LFC): 924.39 mb = 713.61 m = 2341.23 ft Equ Level (EL): 874.39 mb = 1183.86 m = 3884.02 ft B at Equ Level: 7.35 J/kg Max Parcel Lev (MPL): 854.39 mb = 1379.43 m = 4525.64 ft Wind level data Storm motion: 277 at 25 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 ---------------------------------------------------------- 0 995 101 270 17 17.0 -0.0 | 111 8 -7.6 3.0 1 925 708 240 18 15.6 9.0 | 143 15 -9.0 12.0 2 850 1423 235 29 23.8 16.6 | 177 20 -0.9 19.6 3 700 3048 265 33 32.9 2.9 | 235 10 8.3 5.9 4 500 5770 235 44 36.0 25.2 | 202 30 11.4 28.2 5 400 7500 220 67 43.1 51.3 | 199 57 18.5 54.3 6 358 8328 220 82 52.7 62.8 | 203 72 28.1 65.8 7 300 9600 225 78 55.2 55.2 | 208 66 30.5 58.1 8 250 10860 230 69 52.9 44.4 | 211 55 28.2 47.3 9 200 12330 240 60 52.0 30.0 | 220 43 27.3 33.0 10 150 14120 270 52 52.0 -0.0 | 264 28 27.4 3.0 11 112 15854 240 47 40.7 23.5 | 211 31 16.1 26.5 12 100 16520 235 44 36.0 25.2 | 202 30 11.4 28.2 13 70 18620 150 18 -9.0 15.6 | 119 38 -33.6 18.6 14 50 20590 85 19 -18.9 -1.7 | 92 44 -43.5 1.3 15 30 23730 95 11 -11.0 1.0 | 96 36 -35.6 4.0 Wind Parameters Mean winds (0-6000m): 246.9 at 33.1 knts Storm direction: 276.9 at 24.8 knts Shear (0-3000m) pos: 2.8 neg: 2.3 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 122.1 deg Storm rel helicity (0-3000m) pos: 108.7 neg: 0.0 tot: 108.7 m^2/s^2 ave: 36.2 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.27 Bulk Shear: 34.92 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 17 132 10| 0.0 7.7 7.7| 13.3 0.0 13.3 26.7 0.67| 7.8 5.2 1000 248 19 145 12| 0.0 6.9 6.9| 39.2 0.0 39.2 39.2 0.75| 7.9 5.9 1500 243 22 157 14| 1.9 4.6 6.5| 64.6 0.0 64.6 43.1 0.77| 7.5 5.7 2000 243 24 166 14| 2.1 3.4 5.6| 81.4 0.0 81.4 40.7 0.76| 6.9 5.3 2500 245 25 173 14| 2.5 2.8 5.3| 96.5 0.0 96.5 38.6 0.77| 6.6 5.1 3000 249 27 180 13| 2.8 2.3 5.1|108.7 0.0 108.7 36.2 0.79| 6.3 4.9 4000 252 29 192 12| 2.1 2.7 4.8|108.7 -12.9 95.8 24.0 0.57| 5.7 3.3 5000 250 31 198 14| 1.7 3.1 4.7|108.7 -35.4 73.3 14.7 0.40| 5.5 2.2 6000 247 33 200 17| 1.4 3.5 4.8|110.9 -57.8 53.1 8.9 0.29| 5.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251209.12.gif