UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010912.upa.cvt Date: 1200Z 9 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 9 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 1017 81 -21.9 -25.7 71 3.8 -22.3 200 7 250.0 250.1 249.7 251.3 0.46 1 1000 205 -22.9 -26.7 71 3.8 -23.3 205 9 250.2 250.3 249.8 251.4 0.43 2 987 300 -23.5 -27.4 70 3.9 -23.9 208 10 250.6 250.6 250.1 251.7 0.41 3 928 754 -15.5 -17.8 82 2.3 -15.9 219 17 263.2 263.4 261.7 266.0 1.01 4 925 778 -15.7 -18.0 82 2.3 -16.2 220 17 263.3 263.4 261.7 266.0 1.00 5 850 1417 -17.3 -19.9 80 2.6 -17.8 230 27 268.0 268.2 265.1 270.6 0.93 6 799 1881 -17.3 -19.9 80 2.6 -17.8 243 32 272.8 273.0 268.4 275.6 0.99 7 708 2779 -22.5 -25.4 77 2.9 -22.9 268 43 276.7 276.8 270.4 278.7 0.68 8 700 2862 -22.5 -25.4 77 2.9 -22.9 270 44 277.6 277.7 270.9 279.6 0.69 9 600 3999 -20.3 -23.2 78 2.9 -20.8 284 59 292.6 292.8 279.4 295.7 0.98 10 500 5330 -27.5 300 77 299.5 11 486 5533 -28.9 301 79 300.2 12 410 6722 -39.5 304 91 301.5 13 400 6890 -40.5 305 93 302.4 14 321 8363 -51.9 305 101 306.2 15 300 8800 -55.7 305 103 306.8 16 250 9930 -65.3 310 104 309.0 17 232 10387 -68.9 315 108 310.1 18 222 10652 -71.1 315 103 310.7 19 200 11280 -68.7 315 95 324.0 20 195 11431 -68.1 314 94 327.3 21 150 13010 -65.5 305 83 357.2 22 128 13977 -64.3 376.0 TRP 222 10652 -71.1 315 103 310.7 WND 232 10387 -68.9 315 108 310.1 Sounding variables and indices 1000-500 mb thick: 5125.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 78.17 % Est. max temperature: -4.96 C = 23.07 F Sfc-Lift cond lev (LCL): 954.88 mb = 543.55 m = 1783.29 ft T: -19.21 C 700-500 lapse rate: 2.03 C/km Conv cond level (CCL): 1000.00 mb = 205.00 m = 672.56 ft Mean mixing ratio: 0.66 g/kg Conv temperature: -20.63 C = -5.14 F Cap Strength: 30.48 C Lifted Index: 34.47 C Risk: None Lifted Index @300 mb: 34.92 C Lifted Index @700 mb: 18.50 C Showalter Index: 23.87 C Risk: None Total Totals Index: 17.80 C Risk: None Vertical Totals Index: 10.20 C Cross Totals Index: 7.60 C K Index: -12.60 Risk: None Sweat Index: 273.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.84 J/kg Max Up Vert Vel: 9.68 m/s Conv Inhibition (B-): 19837.56 J/kg Cap Strength: 34.08 C Lift Cond Lev (LCL): 929.96 mb = 738.27 m = 2422.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 36 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 1017 81 200 7 2.4 6.6 | 141 39 -24.3 30.1 1 1000 205 205 9 3.8 8.2 | 144 39 -22.9 31.6 2 925 778 220 17 10.9 13.0 | 157 40 -15.7 36.5 3 850 1417 230 27 20.7 17.4 | 172 41 -6.0 40.8 4 700 2862 270 44 44.0 -0.0 | 216 29 17.3 23.5 5 500 5330 300 77 66.7 -38.5 | 291 43 40.0 -15.0 6 400 6890 305 93 76.2 -53.3 | 301 58 49.5 -29.9 7 300 8800 305 103 84.4 -59.1 | 302 68 57.7 -35.6 8 250 9930 310 104 79.7 -66.8 | 309 68 53.0 -43.4 9 232 10387 315 108 76.4 -76.4 | 317 73 49.7 -52.9 10 222 10652 315 103 72.8 -72.8 | 317 68 46.2 -49.3 11 200 11280 315 95 67.2 -67.2 | 317 60 40.5 -43.7 12 150 13010 305 83 68.0 -47.6 | 300 48 41.3 -24.1 Wind Parameters Mean winds (0-6000m): 281.4 at 47.4 knts Storm direction: 311.4 at 35.5 knts Shear (0-3000m) pos: 7.8 neg: 0.0 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 82.4 deg Storm rel helicity (0-3000m) pos: 513.4 neg: 0.0 tot: 513.4 m^2/s^2 ave: 171.1 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 9.0 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.17 Bulk Shear: 270.48 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 ------------------------------------------------------------------------------- 500 210 11 147 39| 7.9 0.0 7.9| 79.6 0.0 79.6 159.1 0.99| 8.0 7.9 1000 217 14 153 39| 8.1 0.0 8.1|164.6 0.0 164.6 164.6 0.99| 8.1 8.1 1500 223 18 158 39| 8.1 0.0 8.1|256.2 0.0 256.2 170.8 0.99| 8.4 8.3 2000 230 21 164 39| 7.9 0.0 7.9|348.0 0.0 348.0 174.0 0.97| 8.8 8.5 2500 239 25 171 37| 7.8 0.0 7.8|437.0 0.0 437.0 174.8 0.95| 9.3 8.8 3000 248 28 178 34| 7.8 0.0 7.8|513.4 0.0 513.4 171.1 0.95| 9.5 9.0 4000 260 34 193 30| 7.7 0.0 7.7|653.0 0.0 653.0 163.3 0.96| 9.4 9.0 5000 272 41 213 26| 7.7 0.0 7.7|824.5 0.0 824.5 164.9 0.95| 9.5 9.0 6000 281 47 234 24| 7.4 0.0 7.4|928.4 0.0 928.4 154.7 0.91| 9.1 8.3 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260109.12.gif