UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011200.upa.cvt Date: 0000Z 12 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 12 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 1004 77 -22.5 -27.5 64 5.0 -23.0 130 1 250.4 250.4 249.9 251.4 0.40 1 1000 106 -22.1 -28.1 58 6.0 -22.7 135 3 251.1 251.1 250.4 252.1 0.38 2 925 685 -12.9 -20.9 51 8.0 -14.4 180 17 266.1 266.2 263.4 268.3 0.78 3 888 998 -11.5 -20.5 47 9.0 -13.3 197 20 270.7 270.8 266.8 273.1 0.84 4 850 1333 -13.1 -23.1 43 10.0 -14.9 215 23 272.4 272.5 267.7 274.5 0.70 5 812 1679 -14.7 -25.7 39 11.0 -16.5 226 27 274.3 274.4 268.7 276.0 0.58 6 796 1829 -13.7 -22.7 47 9.0 -15.4 230 28 276.9 277.1 270.7 279.2 0.77 7 754 2238 -15.9 -19.6 73 3.7 -16.7 243 32 278.9 279.1 272.3 282.0 1.07 8 728 2502 -15.3 -18.2 78 2.9 -16.0 251 35 282.4 282.6 274.6 286.1 1.25 9 700 2796 -17.1 -18.8 87 1.7 -17.5 260 38 283.5 283.8 275.2 287.2 1.24 10 626 3632 -19.5 -22.9 74 3.4 -20.1 267 47 290.0 290.2 278.2 293.0 0.97 11 500 5280 -27.5 -30.8 73 3.3 -27.9 280 64 299.5 299.6 282.0 301.4 0.59 12 477 5618 -28.3 -31.6 73 3.3 -28.7 281 65 302.6 302.7 283.2 304.5 0.57 13 417 6571 -34.3 -37.3 74 3.0 -34.6 284 70 306.7 306.8 284.6 308.0 0.37 14 400 6860 -37.1 -40.1 74 3.0 -37.4 285 71 306.8 306.8 284.5 307.8 0.29 15 386 7104 -40.1 -43.2 72 3.1 -40.3 285 72 306.0 306.0 284.1 306.7 0.22 16 300 8780 -50.9 -54.5 65 3.6 -51.0 285 81 313.6 313.6 286.7 313.9 0.08 17 268 9501 -58.8 -62.7 61 3.9 -58.8 295 87 312.4 312.4 286.2 312.5 0.03 18 266 9548 -59.3 -63.2 60 3.9 -59.3 312.3 312.3 286.2 312.4 0.03 TRP WND 268 9501 -58.8 -62.7 61 3.9 -58.8 295 87 312.4 312.4 286.2 312.5 0.03 Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 65.88 % Est. max temperature: -0.60 C = 30.92 F Sfc-Lift cond lev (LCL): 923.91 mb = 694.06 m = 2277.06 ft T: -12.86 C 700-500 lapse rate: 4.19 C/km Conv cond level (CCL): 444.42 mb = 6119.39 m = 20076.48 ft Mean mixing ratio: 0.62 g/kg Conv temperature: 31.98 C = 89.57 F Cap Strength: 24.86 C Lifted Index: 30.90 C Risk: None Lifted Index @300 mb: 36.62 C Lifted Index @700 mb: 20.09 C Showalter Index: 20.79 C Risk: None Total Totals Index: 18.80 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 4.40 C K Index: -10.40 Risk: None Sweat Index: 248.29 Risk: None Energy Index: 5.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.52 J/kg Max Up Vert Vel: 9.85 m/s Conv Inhibition (B-): 9617.34 J/kg Cap Strength: 30.66 C Lift Cond Lev (LCL): 854.08 mb = 1296.30 m = 4252.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 30 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 1004 77 130 1 -0.8 0.6 | 115 31 -28.3 13.4 1 1000 106 135 3 -2.1 2.1 | 117 33 -29.7 14.9 2 925 685 180 17 0.0 17.0 | 137 41 -27.6 29.8 3 850 1333 215 23 13.2 18.8 | 156 35 -14.4 31.6 4 700 2796 260 38 37.4 6.6 | 207 22 9.9 19.4 5 500 5280 280 64 63.0 -11.1 | 267 36 35.5 1.7 6 400 6860 285 71 68.6 -18.4 | 278 41 41.0 -5.6 7 300 8780 285 81 78.2 -21.0 | 279 51 50.7 -8.2 Wind Parameters Mean winds (0-6000m): 264.9 at 40.5 knts Storm direction: 294.9 at 30.4 knts Shear (0-3000m) pos: 7.1 neg: 0.0 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 100.0 deg Storm rel helicity (0-3000m) pos: 477.4 neg: 0.0 tot: 477.4 m^2/s^2 ave: 159.1 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 9.4 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 0.20 Bulk Shear: 241.44 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 ------------------------------------------------------------------------------- 500 165 8 125 36| 14.0 0.0 14.0|108.6 0.0 108.6 217.3 0.75| 15.2 11.3 1000 183 13 134 37| 10.5 0.0 10.5|221.6 0.0 221.6 221.6 0.84| 13.4 11.2 1500 198 16 141 36| 8.8 0.0 8.8|302.3 0.0 302.3 201.5 0.85| 12.3 10.4 2000 211 19 149 34| 8.0 0.0 8.0|369.5 0.0 369.5 184.7 0.86| 11.6 9.9 2500 223 22 157 32| 7.5 0.0 7.5|432.2 0.0 432.2 172.9 0.86| 11.4 9.8 3000 233 25 164 29| 7.1 0.0 7.1|477.4 0.0 477.4 159.1 0.87| 10.9 9.4 4000 247 30 180 24| 6.7 0.0 6.7|551.4 0.0 551.4 137.9 0.88| 9.7 8.6 5000 258 35 199 21| 6.5 0.0 6.5|640.6 0.0 640.6 128.1 0.87| 9.1 8.0 6000 265 41 218 21| 5.9 0.0 5.9|695.7 0.0 695.7 116.0 0.87| 8.3 7.2 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260112.00.gif