UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011512.upa.cvt Date: 1200Z 15 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 15 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 1039 74 -33.5 -40.5 49 7.0 -33.8 10 1 237.0 237.1 236.9 237.3 0.11 1 1000 345 -29.1 -33.0 69 3.9 -29.3 15 3 244.1 244.1 243.8 244.7 0.24 2 957 658 -24.1 -27.6 73 3.5 -24.5 18 8 252.2 252.3 251.5 253.3 0.41 3 925 903 -23.1 -26.6 73 3.5 -23.5 20 11 255.7 255.8 254.6 257.0 0.47 4 850 1527 -24.7 -29.7 63 5.0 -25.2 20 17 260.3 260.3 258.2 261.4 0.38 5 827 1726 -25.1 -31.1 57 6.0 -25.7 21 19 261.9 262.0 259.4 262.9 0.34 6 700 2922 -30.9 -39.9 41 9.0 -31.5 25 31 268.3 268.3 263.8 268.8 0.17 7 677 3158 -32.3 -42.3 36 10.0 -32.9 25 33 269.3 269.3 264.4 269.7 0.14 8 500 5240 -44.3 -53.3 36 9.0 -44.5 25 50 279.0 279.0 270.7 279.2 0.05 9 409 6557 -51.5 -59.5 38 8.0 -51.6 286.2 286.2 274.8 286.3 0.03 10 400 6700 -51.9 -59.9 38 8.0 -52.0 287.5 287.5 275.5 287.6 0.03 11 300 8539 -57.9 -66.9 31 9.0 -58.0 303.7 303.7 282.9 303.8 0.02 12 187 11501 -60.5 -70.5 26 10.0 -60.6 343.5 343.5 295.2 343.6 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 4895.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 48.83 % Est. max temperature: -12.48 C = 9.53 F Sfc-Lift cond lev (LCL): 920.80 mb = 936.61 m = 3072.84 ft T: -23.19 C 700-500 lapse rate: 5.78 C/km ThetaE index: 0.00 C Layer 1039.0- 0.1 mb Conv cond level (CCL): 617.19 mb = 3793.40 m = 12445.37 ft Mean mixing ratio: 0.29 g/kg Conv temperature: 2.14 C = 35.85 F Cap Strength: 20.06 C Lifted Index: 26.29 C Risk: None Lifted Index @300 mb: 40.22 C Lifted Index @700 mb: 19.35 C Showalter Index: 14.57 C Risk: None Total Totals Index: 34.20 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 14.60 C K Index: -19.10 Risk: None Sweat Index: 84.00 Risk: None Energy Index: 3.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.72 J/kg Max Up Vert Vel: 11.20 m/s Conv Inhibition (B-): 14500.84 J/kg Cap Strength: 26.17 C Lift Cond Lev (LCL): 933.77 mb = 834.99 m = 2739.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 54 at 21 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 1039 74 10 1 -0.2 -1.0 | 236 20 16.5 11.1 1 1000 345 15 3 -0.8 -2.9 | 240 18 15.9 9.2 2 925 903 20 11 -3.8 -10.3 | 262 13 12.9 1.7 3 850 1527 20 17 -5.8 -16.0 | 290 12 10.9 -3.9 4 700 2922 25 31 -13.1 -28.1 | 347 16 3.6 -16.0 5 500 5240 25 50 -21.1 -45.3 | 8 34 -4.4 -33.2 Wind Parameters Mean winds (0-6000m): 24.1 at 27.5 knts Storm direction: 54.1 at 20.6 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 113.8 deg Storm rel helicity (0-3000m) pos: 96.7 neg: 0.0 tot: 96.7 m^2/s^2 ave: 32.2 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 4.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.80 Bulk Shear: 78.28 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 15 3 240 18| 5.4 0.0 5.4| 17.1 0.0 17.1 34.3 0.68| 5.4 3.7 1000 19 6 248 16| 6.0 0.0 6.0| 36.2 0.0 36.2 36.2 0.75| 6.0 4.5 1500 19 9 256 14| 5.7 0.0 5.7| 50.9 0.0 50.9 34.0 0.82| 5.7 4.6 2000 20 12 266 13| 5.5 0.0 5.5| 66.3 0.0 66.3 33.2 0.86| 5.5 4.8 2500 21 14 277 12| 5.5 0.0 5.5| 82.0 0.0 82.0 32.8 0.87| 5.5 4.8 3000 22 17 290 11| 5.4 0.0 5.4| 96.7 0.0 96.7 32.2 0.85| 5.4 4.6 4000 23 22 315 11| 4.0 1.1 5.1|118.4 0.0 118.4 29.6 0.77| 5.1 3.9 5000 24 27 335 14| 3.2 1.7 4.9|140.1 0.0 140.1 28.0 0.70| 4.9 3.4 6000 NO DATA | 3.2 1.7 4.9| | Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260115.12.gif