UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011212.upa.cvt Date: 1200Z 12 JAN 26 Searching for USTAC... Searching the city database file for: USTAC ... Date:1200Z 12 JAN 26 Station: USTAC WMO ident: 99999 Latitude: 47.10 Longitude: -122.30 ------------------------------------------------------------------------------- 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 181 13.6 1.6 44 12.0 7.8 185 1 286.6 287.3 280.8 298.8 4.28 1 1000 198 14.4 -0.6 36 15.0 7.3 195 3 287.5 288.2 280.5 298.1 3.66 2 925 851 9.6 2.6 62 7.0 6.1 195 33 289.1 290.0 282.7 303.4 4.99 3 850 1547 7.6 4.0 78 3.6 5.7 245 44 294.1 295.2 285.9 311.5 6.00 4 700 3122 -2.1 -5.0 80 2.9 -3.4 255 54 300.2 300.8 285.9 311.6 3.76 5 500 5710 -16.5 -18.6 84 2.1 -17.1 270 52 312.9 313.3 288.3 318.7 1.76 6 400 7350 -28.5 -29.5 91 1.0 -28.7 270 60 317.9 318.1 289.0 320.8 0.83 7 300 9340 -45.5 -52.5 45 7.0 -45.8 275 62 321.2 321.2 289.2 321.6 0.10 8 250 10530 -57.1 -61.5 57 4.4 -57.2 275 68 321.2 321.2 289.2 321.3 0.04 9 210 11617 -62.7 -68.7 44 6.0 -62.7 265 56 328.8 328.9 291.4 328.9 0.02 10 200 11920 -59.1 -73.1 15 14.0 -59.2 270 54 339.2 339.2 294.1 339.2 0.01 11 166 13104 -58.1 -79.8 5 21.8 -58.3 295 79 359.5 359.5 298.6 359.5 0.00 12 150 13750 -57.5 -83.5 2 26.0 -57.8 295 54 371.0 371.0 300.8 371.0 0.00 13 100 16260 -59.1 -86.1 2 27.0 -59.5 295 52 413.5 413.5 306.9 413.5 0.00 TRP 210 11617 -62.7 -68.7 44 6.0 -62.7 265 56 328.8 328.9 291.4 328.9 0.02 WND 166 13104 -58.1 -79.8 5 21.8 -58.3 295 79 359.5 359.5 298.6 359.5 0.00 Sounding variables and indices 1000-500 mb thick: 5512.00 m Freezing level: 732.47 mb = 2781.02 m = 9123.97 ft Wetbulb zero: 755.80 mb = 2499.81 m = 8201.38 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 75.93 % Est. max temperature: 20.99 C = 69.77 F Sfc-Lift cond lev (LCL): 835.52 mb = 1686.35 m = 5532.57 ft T: 6.74 C 700-500 lapse rate: 5.56 C/km ThetaE index: 0.71 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 687.50 mb = 3260.59 m = 10697.34 ft Mean mixing ratio: 4.51 g/kg Conv temperature: 27.87 C = 82.17 F Cap Strength: 6.43 C Lifted Index: 11.37 C Risk: None Lifted Index @300 mb: 14.01 C Lifted Index @700 mb: 6.43 C Showalter Index: 4.87 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.50 C K Index: 25.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 265.83 Risk: None Energy Index: 1.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.69 J/kg Max Up Vert Vel: 4.17 m/s Conv Inhibition (B-): 11917.67 J/kg Cap Strength: 11.01 C Lift Cond Lev (LCL): 818.87 mb = 1849.63 m = 6068.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 35 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 181 185 1 0.1 1.0 | 106 35 -33.8 9.6 1 1000 198 195 3 0.8 2.9 | 109 35 -33.1 11.5 2 925 851 195 33 8.5 31.9 | 148 48 -25.3 40.5 3 850 1547 245 44 39.9 18.6 | 192 28 6.0 27.2 4 700 3122 255 54 52.2 14.0 | 219 29 18.3 22.6 5 500 5710 270 52 52.0 -0.0 | 245 20 18.1 8.6 6 400 7350 270 60 60.0 -0.0 | 252 28 26.1 8.6 7 300 9340 275 62 61.8 -5.4 | 263 28 27.9 3.2 8 250 10530 275 68 67.7 -5.9 | 265 34 33.9 2.7 9 210 11617 265 56 55.8 4.9 | 238 26 21.9 13.5 10 200 11920 270 54 54.0 -0.0 | 247 22 20.1 8.6 11 166 13104 295 79 71.6 -33.4 | 303 45 37.7 -24.8 12 150 13750 295 54 48.9 -22.8 | 313 21 15.1 -14.2 13 100 16260 295 52 47.1 -22.0 | 315 19 13.3 -13.4 Wind Parameters Mean winds (0-6000m): 254.3 at 46.6 knts Storm direction: 284.3 at 35.0 knts Shear (0-3000m) pos: 9.2 neg: 0.0 tot: 9.2 10-3/s Storm rel Dir Shear (0-3000m): 113.5 deg Storm rel helicity (0-3000m) pos: 691.2 neg: 0.0 tot: 691.2 m^2/s^2 ave: 230.4 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 13.7 stream: 12.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.04 Bulk Shear: 225.96 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 ------------------------------------------------------------------------------- 500 195 14 126 37| 24.9 0.0 24.9|224.2 0.0 224.2 448.5 0.93| 24.9 23.2 1000 201 24 140 40| 19.2 0.0 19.2|450.7 0.0 450.7 450.7 0.89| 24.2 21.6 1500 219 30 154 35| 15.2 0.0 15.2|599.5 0.0 599.5 399.7 0.87| 23.2 20.2 2000 229 34 165 32| 12.2 0.0 12.2|629.7 0.0 629.7 314.8 0.88| 18.5 16.2 2500 235 37 174 30| 10.5 0.0 10.5|660.9 0.0 660.9 264.4 0.88| 15.6 13.8 3000 240 40 181 29| 9.2 0.0 9.2|691.2 0.0 691.2 230.4 0.89| 13.7 12.2 4000 246 43 192 27| 6.8 0.0 6.8|719.9 0.0 719.9 180.0 0.88| 11.0 9.7 5000 250 45 200 25| 5.4 0.0 5.4|745.7 0.0 745.7 149.1 0.87| 9.4 8.2 6000 254 47 207 24| 4.6 0.0 4.6|763.7 0.0 763.7 127.3 0.86| 8.2 7.1 Wrote GIF file: /home/apache/climate/data/raob//USTAC/skewt/USTAC.skewt.20260112.12.gif