UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011612.upa.cvt Date: 1200Z 16 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 16 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 1045 77 -37.1 -42.1 60 5.0 -37.2 0 0 233.1 233.1 233.0 233.3 0.09 1 1032 164 -34.1 -39.1 61 5.0 -34.3 10 1 236.9 236.9 236.8 237.2 0.12 2 1000 386 -30.1 -35.1 62 5.0 -30.4 35 3 243.1 243.1 242.8 243.6 0.19 3 946 785 -23.1 -28.1 64 5.0 -23.6 42 9 254.1 254.1 253.1 255.2 0.40 4 937 855 -22.7 -28.7 58 6.0 -23.3 43 10 255.2 255.2 254.0 256.2 0.38 5 925 949 -22.3 -28.3 58 6.0 -22.9 45 11 256.5 256.6 255.2 257.6 0.40 6 919 997 -22.1 -29.1 53 7.0 -22.8 45 11 257.2 257.2 255.7 258.2 0.37 7 850 1571 -23.1 -33.1 40 10.0 -24.1 40 13 261.9 262.0 259.3 262.8 0.28 8 801 2007 -21.9 -35.9 27 14.0 -23.2 37 19 267.7 267.7 263.5 268.4 0.22 9 775 2250 -22.7 -39.7 20 17.0 -24.1 35 22 269.4 269.4 264.6 269.9 0.16 10 700 2994 -24.9 -30.9 57 6.0 -25.6 30 31 274.9 275.0 268.8 276.2 0.42 11 699 3004 -25.1 -31.1 57 6.0 -25.8 30 31 274.8 274.9 268.7 276.0 0.41 12 500 5360 -40.7 25 42 283.4 13 455 5996 -44.7 25 43 286.2 14 400 6850 -48.7 25 44 291.7 15 391 7000 -49.1 25 44 293.1 16 300 8690 -61.7 20 46 298.4 17 280 9114 -65.1 20 48 299.4 18 250 9800 -67.7 20 50 305.4 19 249 9824 -67.9 20 50 305.5 20 242 9996 -68.1 19 49 307.7 21 200 11150 -65.1 15 42 329.7 22 161 12478 -63.5 11 37 353.5 23 150 12910 -65.9 10 35 356.6 24 147 13032 -66.5 357.6 TRP 249 9824 -67.9 20 50 305.5 WND Sounding variables and indices 1000-500 mb thick: 4974.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.04 inches Sfc-500 mean rel hum: 45.27 % Est. max temperature: -11.08 C = 12.06 F Sfc-Lift cond lev (LCL): 957.86 mb = 695.46 m = 2281.66 ft T: -24.67 C 700-500 lapse rate: 6.68 C/km Conv cond level (CCL): 1032.00 mb = 164.06 m = 538.26 ft Mean mixing ratio: 0.23 g/kg Conv temperature: -32.09 C = -25.75 F Cap Strength: 27.23 C Lifted Index: 31.64 C Risk: None Lifted Index @300 mb: 37.89 C Lifted Index @700 mb: 27.23 C Showalter Index: 17.05 C Risk: None Total Totals Index: 25.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 7.60 C K Index: -21.50 Risk: None Sweat Index: 68.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.23 J/kg Max Up Vert Vel: 12.02 m/s Conv Inhibition (B-): 20005.22 J/kg Cap Strength: 31.41 C Lift Cond Lev (LCL): 928.94 mb = 917.95 m = 3011.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 59 at 20 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 1045 77 0 0 -0.0 -0.0 | 239 20 17.2 10.4 1 1000 386 35 3 -1.7 -2.5 | 243 17 15.5 7.9 2 925 949 45 11 -7.8 -7.8 | 255 10 9.4 2.6 3 850 1571 40 13 -8.4 -10.0 | 267 9 8.9 0.4 4 700 2994 30 31 -15.5 -26.8 | 354 17 1.7 -16.5 5 500 5360 25 42 -17.7 -38.1 | 1 28 -0.5 -27.7 6 400 6850 25 44 -18.6 -39.9 | 3 30 -1.4 -29.5 7 300 8690 20 46 -15.7 -43.2 | 357 33 1.5 -32.8 8 250 9800 20 50 -17.1 -47.0 | 360 37 0.1 -36.6 9 249 9824 20 50 -17.1 -47.0 | 360 37 0.1 -36.6 10 200 11150 15 42 -10.9 -40.6 | 348 31 6.3 -30.2 11 150 12910 10 35 -6.1 -34.5 | 335 27 11.1 -24.1 Wind Parameters Mean winds (0-6000m): 28.9 at 26.8 knts Storm direction: 58.9 at 20.1 knts Shear (0-3000m) pos: 2.0 neg: 3.5 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 115.6 deg Storm rel helicity (0-3000m) pos: 56.4 neg: 0.0 tot: 56.4 m^2/s^2 ave: 18.8 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 3.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.93 Bulk Shear: 78.00 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 36 3 242 18| 5.9 0.0 5.9| 11.4 0.0 11.4 22.8 0.41| 6.0 2.5 1000 43 6 245 15| 5.9 0.0 5.9| 18.0 0.0 18.0 18.0 0.38| 6.0 2.3 1500 42 8 249 13| 3.9 0.6 4.6| 22.2 0.0 22.2 14.8 0.46| 4.7 2.1 2000 40 10 255 11| 2.9 2.1 5.1| 34.7 0.0 34.7 17.3 0.62| 5.1 3.2 2500 38 12 266 10| 2.3 3.0 5.4| 46.9 0.0 46.9 18.8 0.65| 5.4 3.6 3000 35 15 283 9| 2.0 3.5 5.5| 56.4 0.0 56.4 18.8 0.62| 5.5 3.4 4000 33 20 313 9| 1.5 3.3 4.7| 63.4 0.0 63.4 15.9 0.57| 4.8 2.7 5000 30 24 332 11| 1.2 3.1 4.3| 68.6 0.0 68.6 13.7 0.53| 4.3 2.3 6000 29 27 342 14| 1.0 2.8 3.8| 72.6 0.0 72.6 12.1 0.51| 3.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260116.12.gif