UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010812.upa.cvt Date: 1200Z 8 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 8 JAN 26 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1021 72 -23.1 -27.0 70 3.9 -23.5 290 3 248.6 248.6 248.3 249.7 0.41 1 1000 224 -24.1 -27.9 71 3.8 -24.5 295 5 249.1 249.1 248.7 250.1 0.38 2 959 529 -26.9 -30.1 74 3.2 -27.2 298 6 249.2 249.3 248.7 250.1 0.33 3 925 791 -24.7 -27.7 76 3.0 -25.0 300 7 254.1 254.1 253.1 255.2 0.42 4 871 1230 -22.9 -24.9 84 2.0 -23.1 307 10 260.3 260.4 258.6 262.0 0.58 5 850 1408 -23.3 -26.5 75 3.2 -23.7 310 11 261.7 261.8 259.6 263.2 0.52 6 713 2686 -26.7 -35.7 42 9.0 -27.5 310 18 271.5 271.5 266.2 272.3 0.26 7 700 2819 -27.7 -37.7 38 10.0 -28.5 310 19 271.8 271.8 266.3 272.5 0.21 8 617 3715 -33.3 -44.3 32 11.0 -33.9 312 24 275.4 275.4 268.5 275.8 0.12 9 569 4278 -37.7 -47.7 34 10.0 -38.1 313 26 276.7 276.7 269.2 276.9 0.09 10 500 5160 -42.5 -49.5 46 7.0 -42.8 315 31 281.2 281.2 272.0 281.5 0.08 11 441 6000 -46.9 -52.9 50 6.0 -47.1 315 36 285.9 286.0 274.6 286.2 0.06 12 400 6640 -51.1 -57.1 49 6.0 -51.2 315 40 288.6 288.6 276.0 288.7 0.04 13 372 7109 -54.1 -61.1 42 7.0 -54.2 316 43 290.6 290.7 277.0 290.7 0.03 14 300 8480 -57.1 -65.1 36 8.0 -57.2 320 50 304.9 304.9 283.4 304.9 0.02 15 283 8849 -58.3 -66.3 35 8.0 -58.4 320 52 308.3 308.3 284.7 308.3 0.02 16 250 9630 -58.9 -66.9 35 8.0 -59.0 315 60 318.5 318.5 288.3 318.6 0.02 17 200 11030 -59.1 -67.9 31 8.9 -59.2 315 66 339.2 339.2 294.1 339.3 0.02 18 150 12830 -59.3 -69.3 26 10.0 -59.5 310 60 367.9 367.9 300.2 368.0 0.02 19 100 15350 -61.1 -73.1 19 12.0 -61.3 300 56 409.7 409.7 306.5 409.8 0.02 20 90 16004 -61.1 -73.1 19 12.0 -61.3 422.2 422.2 308.0 422.3 0.02 21 79 16815 -60.7 -73.7 16 13.0 -61.0 439.1 439.1 309.8 439.2 0.02 TRP 283 8849 -58.3 -66.3 35 8.0 -58.4 320 52 308.3 308.3 284.7 308.3 0.02 WND 200 11030 -59.1 -67.9 31 8.9 -59.2 315 66 339.2 339.2 294.1 339.3 0.02 Sounding variables and indices 1000-500 mb thick: 4936.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 52.33 % Est. max temperature: -11.27 C = 11.72 F Sfc-Lift cond lev (LCL): 956.84 mb = 545.03 m = 1788.12 ft T: -26.76 C 700-500 lapse rate: 6.32 C/km ThetaE index: 0.00 C Layer 1021.0--151996493463552.0 mb Conv cond level (CCL): 617.32 mb = 3711.38 m = 12176.29 ft Mean mixing ratio: 0.37 g/kg Conv temperature: 3.85 C = 38.94 F Cap Strength: 21.75 C Lifted Index: 24.69 C Risk: None Lifted Index @300 mb: 38.04 C Lifted Index @700 mb: 18.86 C Showalter Index: 14.87 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 16.00 C K Index: -17.30 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.40 J/kg Max Up Vert Vel: 6.39 m/s Conv Inhibition (B-): 29925.48 J/kg Cap Strength: 24.37 C Lift Cond Lev (LCL): 916.84 mb = 855.63 m = 2807.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 342 at 15 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 1021 72 290 3 2.8 -1.0 | 172 14 -1.8 13.4 1 1000 224 295 5 4.5 -2.1 | 180 12 -0.1 12.3 2 925 791 300 7 6.1 -3.5 | 188 11 1.4 10.9 3 850 1408 310 11 8.4 -7.1 | 207 8 3.8 7.4 4 700 2819 310 19 14.6 -12.2 | 257 10 9.9 2.2 5 500 5160 315 31 21.9 -21.9 | 293 19 17.3 -7.5 6 400 6640 315 40 28.3 -28.3 | 300 27 23.7 -13.9 7 300 8480 320 50 32.1 -38.3 | 311 36 27.5 -23.9 8 283 8849 320 52 33.4 -39.8 | 311 38 28.8 -25.4 9 250 9630 315 60 42.4 -42.4 | 307 47 37.8 -28.0 10 200 11030 315 66 46.7 -46.7 | 307 53 42.0 -32.2 11 150 12830 310 60 46.0 -38.6 | 300 48 41.3 -24.1 12 100 15350 300 56 48.5 -28.0 | 287 46 43.9 -13.6 Wind Parameters Mean winds (0-6000m): 312.2 at 20.2 knts Storm direction: 342.2 at 15.2 knts Shear (0-3000m) pos: 2.0 neg: 1.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 91.1 deg Storm rel helicity (0-3000m) pos: 39.2 neg: 0.0 tot: 39.2 m^2/s^2 ave: 13.1 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.65 Bulk Shear: 31.20 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 ------------------------------------------------------------------------------- 500 296 5 180 12| 3.4 0.0 3.4| 8.7 0.0 8.7 17.4 0.80| 3.4 2.7 1000 299 6 184 11| 3.1 0.0 3.1| 14.6 0.0 14.6 14.6 0.78| 3.1 2.4 1500 304 8 189 10| 3.1 0.0 3.1| 21.0 0.0 21.0 14.0 0.80| 3.2 2.6 2000 306 9 196 10| 2.4 0.7 3.1| 27.1 0.0 27.1 13.5 0.85| 3.1 2.6 2500 307 10 205 9| 1.9 1.2 3.1| 33.1 0.0 33.1 13.3 0.86| 3.1 2.7 3000 308 12 213 9| 2.0 1.0 3.0| 39.2 0.0 39.2 13.1 0.86| 3.0 2.6 4000 309 15 232 8| 2.2 0.7 2.9| 51.9 0.0 51.9 13.0 0.83| 2.9 2.4 5000 311 17 251 9| 2.3 0.6 2.9| 65.8 0.0 65.8 13.2 0.79| 2.9 2.3 6000 312 20 265 10| 2.2 0.7 2.9| 77.3 0.0 77.3 12.9 0.71| 2.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260108.12.gif