UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for SGAS... Searching the city database file for: SGAS ... Date:1200Z 17 OCT 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 ------------------------------------------------------------------------------- SFC 1000 101 23.8 20.0 79 3.8 21.2 200 29 297.0 299.6 294.3 339.9 14.88 1 998 118 21.8 19.2 85 2.6 20.0 199 29 295.1 297.7 293.3 335.8 14.17 2 956 482 18.8 18.2 96 0.6 18.4 177 23 295.7 298.2 293.2 335.7 13.89 3 951 527 20.4 17.9 86 2.5 18.7 174 23 297.8 300.3 293.7 337.5 13.69 4 925 761 19.2 17.5 90 1.7 18.1 160 19 298.9 301.4 294.1 339.0 13.73 5 890 1092 16.8 16.8 100 0.0 16.8 226 16 299.8 302.3 294.3 339.7 13.65 6 850 1485 15.6 15.6 100 0.0 15.6 305 13 302.5 304.9 294.7 341.6 13.23 7 733 2738 11.8 11.8 100 0.0 11.8 309 42 311.4 313.7 296.2 348.1 11.96 8 700 3123 9.0 9.0 100 0.0 9.0 310 51 312.5 314.4 295.4 344.4 10.36 9 649 3750 6.6 6.6 100 0.0 6.6 311 50 316.6 318.4 295.8 346.3 9.47 10 620 4125 2.6 2.6 100 0.0 2.6 312 49 316.1 317.6 294.3 339.7 7.47 11 617 4164 3.0 3.0 100 0.0 3.0 312 49 317.0 318.5 294.7 341.5 7.73 12 541 5226 -1.7 -1.7 100 0.0 -1.7 314 46 323.6 324.8 295.3 344.0 6.26 13 524 5480 -4.5 -4.5 100 0.0 -4.5 314 46 323.2 324.2 294.4 340.3 5.24 14 500 5850 -5.7 -5.7 100 0.0 -5.7 315 45 326.1 327.1 295.0 342.7 5.01 15 470 6331 -8.5 -8.5 100 0.0 -8.5 315 41 328.4 329.3 295.0 342.8 4.29 16 465 6415 -6.3 -6.7 97 0.4 -6.5 315 40 332.2 333.2 296.4 349.1 4.99 17 434 6948 -11.5 -11.7 98 0.2 -11.6 315 36 332.2 332.9 295.4 344.5 3.60 18 416 7272 -12.3 -12.7 97 0.4 -12.5 315 33 335.2 335.9 296.0 347.3 3.47 19 400 7570 -13.7 -13.8 99 0.1 -13.7 315 31 337.2 337.9 296.4 348.7 3.30 20 388 7801 -15.3 -15.3 100 0.0 -15.3 311 31 338.0 338.7 296.3 348.6 3.00 21 379 7977 -17.3 -17.3 100 0.0 -17.3 308 32 337.7 338.2 296.0 346.9 2.60 22 349 8588 -22.9 -23.6 94 0.7 -23.1 298 32 338.2 338.5 295.3 344.1 1.63 23 334 8909 -23.9 -25.0 91 1.1 -24.2 293 33 341.1 341.4 295.9 346.6 1.51 24 316 9310 -28.1 -30.2 82 2.1 -28.5 286 33 340.7 340.9 295.4 344.4 0.98 25 300 9680 -31.1 -33.3 81 2.2 -31.5 280 34 341.5 341.7 295.4 344.5 0.77 26 266 10524 -37.7 -40.1 78 2.4 -37.9 287 25 343.9 344.0 295.6 345.6 0.44 27 250 10950 -41.3 -43.9 76 2.6 -41.5 290 21 344.7 344.7 295.7 345.9 0.31 28 200 12420 -54.5 -57.6 68 3.1 -54.6 260 31 346.5 346.5 295.9 346.8 0.08 29 194 12614 -55.9 -59.5 64 3.6 -56.0 258 32 347.3 347.3 296.1 347.5 0.06 30 172 13366 -63.5 -67.5 58 4.0 -63.6 250 34 346.8 346.8 296.0 347.0 0.03 31 159 13843 -68.3 -70.5 73 2.2 -68.3 244 36 346.6 346.6 295.9 346.7 0.02 32 152 14111 -70.3 -74.0 58 3.7 -70.3 241 37 347.7 347.7 296.1 347.7 0.01 33 150 14190 -69.9 -74.9 48 5.0 -69.9 240 37 349.7 349.7 296.5 349.7 0.01 34 149 14230 -69.5 -75.5 41 6.0 -69.5 241 37 351.0 351.0 296.8 351.1 0.01 35 123 15356 -75.9 -79.5 57 3.6 -75.9 255 51 359.2 359.2 298.5 359.2 0.01 36 106 16220 -73.3 -81.3 28 8.0 -73.3 219 40 379.7 379.7 302.2 379.7 0.01 37 100 16560 -75.1 -82.1 33 7.0 -75.1 205 36 382.6 382.6 302.6 382.6 0.00 38 94 16921 -73.1 -82.1 24 9.0 -73.2 215 33 393.4 393.4 304.3 393.4 0.01 39 85 17506 -75.9 -83.9 27 8.0 -75.9 232 27 399.2 399.2 305.1 399.2 0.00 40 77 18078 -75.3 -83.3 28 8.0 -75.3 249 22 411.9 411.9 306.7 411.9 0.00 41 75 18232 -71.7 -81.7 21 10.0 -71.8 253 21 422.6 422.6 308.0 422.6 0.01 42 70 18640 -70.3 -81.3 18 11.0 -70.4 265 17 434.0 434.0 309.3 434.0 0.01 43 68 18815 -67.7 -80.7 14 13.0 -67.8 265 16 443.2 443.2 310.2 443.3 0.01 44 62 19378 -64.5 -76.5 18 12.0 -64.7 263 14 462.2 462.2 312.0 462.3 0.02 45 58 19787 -65.7 -76.7 20 11.0 -65.9 262 12 468.4 468.4 312.5 468.5 0.02 46 50 20700 -62.7 -75.7 16 13.0 -63.0 260 8 495.7 495.7 314.7 495.9 0.03 47 46 21215 -62.1 -75.1 16 13.0 -62.5 509.1 509.1 315.6 509.3 0.03 48 41 21921 -65.3 -77.3 17 12.0 -65.6 518.2 518.2 316.2 518.4 0.02 49 33 23255 -61.3 -79.3 7 18.0 -62.0 562.0 562.0 318.8 562.1 0.02 TRP 123 15356 -75.9 -79.5 57 3.6 -75.9 255 51 359.2 359.2 298.5 359.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5749.00 m Freezing level: 568.49 mb = 4841.70 m = 15884.66 ft Wetbulb zero: 568.53 mb = 4824.80 m = 15829.22 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 98.53 % Est. max temperature: 29.34 C = 84.81 F Sfc-Lift cond lev (LCL): 946.09 mb = 570.30 m = 1871.04 ft T: 20.18 C 700-500 lapse rate: 5.39 C/km ThetaE index: 4.27 C Layer 998.0- 951.0 mb Conv cond level (CCL): 894.79 mb = 1046.35 m = 3432.88 ft Mean mixing ratio: 13.86 g/kg Conv temperature: 26.51 C = 79.72 F Cap Strength: 3.11 C Lifted Index: 2.19 C Risk: None Lifted Index @300 mb: 4.56 C Lifted Index @700 mb: 2.15 C Showalter Index: 0.43 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 21.30 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 258.20 Risk: None Energy Index: 0.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.74 J/kg Max Up Vert Vel: 6.89 m/s Conv Inhibition (B-): 19192.10 J/kg Cap Strength: 3.03 C Lift Cond Lev (LCL): 926.62 mb = 746.16 m = 2447.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 28 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 1000 101 200 29 9.9 27.3 | 179 53 -1.0 53.0 1 1000 86 200 29 9.9 27.3 | 179 53 -1.0 53.0 2 925 761 160 19 -6.5 17.9 | 158 47 -17.4 43.6 3 850 1485 305 13 10.6 -7.5 | 179 18 -0.3 18.2 4 700 3123 310 51 39.1 -32.8 | 284 29 28.2 -7.1 5 500 5850 315 45 31.8 -31.8 | 286 22 20.9 -6.1 6 400 7570 315 31 21.9 -21.9 | 251 12 11.0 3.8 7 300 9680 280 34 33.5 -5.9 | 229 30 22.6 19.8 8 250 10950 290 21 19.7 -7.2 | 205 21 8.8 18.5 9 200 12420 260 31 30.5 5.4 | 212 37 19.6 31.1 10 150 14190 240 37 32.0 18.5 | 206 49 21.1 44.2 11 123 15356 255 51 49.3 13.2 | 225 55 38.4 38.9 12 100 16560 205 36 15.2 32.6 | 184 58 4.3 58.3 13 70 18640 265 17 16.9 1.5 | 193 28 6.0 27.2 14 50 20700 260 8 7.9 1.4 | 174 27 -3.0 27.1 Wind Parameters Mean winds (0-6000m): 307.0 at 37.2 knts Storm direction: 337.0 at 27.9 knts Shear (0-3000m) pos: 11.7 neg: 2.5 tot: 14.2 10-3/s Storm rel Dir Shear (0-3000m): 105.2 deg Storm rel helicity (0-3000m) pos: 359.3 neg: -239.5 tot: 119.8 m^2/s^2 ave: 39.9 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 16.3 stream: 5.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.06 Bulk Shear: 383.48 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 ------------------------------------------------------------------------------- 500 189 25 172 51| 0.0 15.1 15.1| 0.0-194.8-194.8 -389.7 -0.96| 15.4-14.7 1000 186 22 169 48| 9.7 7.6 17.3|186.6-223.8 -37.2 -37.2 -0.00| 19.5 -0.1 1500 192 19 171 45| 11.8 5.0 16.8|225.1-239.5 -14.3 -9.6 0.04| 20.5 0.8 2000 226 20 185 40| 11.7 3.8 15.5|268.8-239.5 29.3 14.7 0.19| 18.4 3.5 2500 267 22 203 29| 11.7 3.0 14.7|313.0-239.5 73.5 29.4 0.29| 17.1 4.9 3000 288 26 219 22| 11.7 2.5 14.2|359.3-239.5 119.8 39.9 0.33| 16.3 5.3 4000 300 32 240 19| 8.6 1.9 10.5|364.7-239.5 125.2 31.3 0.33| 12.6 4.1 5000 304 35 252 19| 6.7 1.5 8.2|367.0-239.5 127.6 25.5 0.32| 10.3 3.3 6000 307 37 260 19| 5.3 1.3 6.6|368.1-245.1 123.0 20.5 0.30| 8.9 2.7 Wrote GIF file: /home/apache/climate/data/raob//SGAS/skewt/SGAS.skewt.20251017.12.gif