UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 11 DEC 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 1015 46 -10.9 -13.8 79 2.9 -11.6 250 5 261.1 261.3 260.7 264.6 1.29 1 1000 160 -11.5 -14.4 79 2.9 -12.1 255 5 261.6 261.8 261.0 265.0 1.25 2 964 440 -12.9 -15.8 79 2.9 -13.5 267 8 263.0 263.2 261.9 266.1 1.16 3 925 755 -12.3 -15.0 80 2.7 -12.9 280 11 266.7 266.9 264.8 270.3 1.29 4 879 1145 -11.7 -13.6 86 1.9 -12.2 283 15 271.3 271.5 268.4 275.5 1.52 5 850 1402 -12.7 -14.6 86 1.9 -13.2 285 17 272.8 273.1 269.2 276.9 1.45 6 821 1666 -14.1 -16.5 82 2.4 -14.6 285 20 274.1 274.3 269.8 277.7 1.28 7 772 2134 -12.5 -14.5 85 2.0 -13.0 285 24 280.7 280.9 274.2 285.3 1.61 8 700 2879 -14.5 -16.6 84 2.1 -15.0 285 31 286.4 286.7 277.1 290.9 1.49 9 687 3021 -15.1 -17.2 84 2.1 -15.6 286 32 287.3 287.6 277.4 291.6 1.44 10 500 5350 -31.5 -35.1 70 3.6 -31.9 295 48 294.6 294.7 279.5 295.9 0.39 11 427 6447 -39.3 -43.0 68 3.7 -39.5 302 54 298.3 298.3 280.9 299.0 0.20 12 400 6890 -42.7 305 56 299.5 13 300 8760 -57.5 305 56 304.3 14 267 9487 -63.3 305 57 306.1 15 250 9890 -64.9 305 58 309.6 16 206 11054 -70.5 305 60 318.4 17 200 11230 -70.1 305 60 321.7 18 178 11927 -68.4 305 62 335.5 19 159 12608 -66.7 305 58 349.3 20 150 12960 -67.5 305 56 353.8 21 100 15390 -69.5 300 44 393.4 22 90 16017 -70.7 403.1 23 74 17175 -71.5 424.6 TRP 206 11054 -70.5 305 60 318.4 WND 178 11927 -68.4 305 62 335.5 Sounding variables and indices 1000-500 mb thick: 5190.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 80.34 % Est. max temperature: 0.03 C = 32.06 F Sfc-Lift cond lev (LCL): 968.72 mb = 402.70 m = 1321.18 ft T: -12.71 C 700-500 lapse rate: 6.88 C/km Conv cond level (CCL): 621.99 mb = 3749.79 m = 12302.33 ft Mean mixing ratio: 1.23 g/kg Conv temperature: 17.79 C = 64.03 F Cap Strength: 18.98 C Lifted Index: 22.74 C Risk: None Lifted Index @300 mb: 26.39 C Lifted Index @700 mb: 18.41 C Showalter Index: 14.83 C Risk: None Total Totals Index: 35.70 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 16.90 C K Index: 2.10 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.53 J/kg Max Up Vert Vel: 7.00 m/s Conv Inhibition (B-): 24530.31 J/kg Cap Strength: 22.72 C Lift Cond Lev (LCL): 920.43 mb = 792.87 m = 2601.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 23 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 1015 46 250 5 4.7 1.7 | 153 22 -10.0 19.3 1 1000 160 255 5 4.8 1.3 | 152 21 -9.9 18.9 2 925 755 280 11 10.8 -1.9 | 166 16 -3.9 15.7 3 850 1402 285 17 16.4 -4.4 | 187 13 1.7 13.2 4 700 2879 285 31 29.9 -8.0 | 238 18 15.3 9.6 5 500 5350 295 48 43.5 -20.3 | 275 29 28.8 -2.7 6 400 6890 305 56 45.9 -32.1 | 295 34 31.2 -14.5 7 300 8760 305 56 45.9 -32.1 | 295 34 31.2 -14.5 8 250 9890 305 58 47.5 -33.3 | 296 36 32.8 -15.7 9 206 11054 305 60 49.1 -34.4 | 296 38 34.5 -16.8 10 200 11230 305 60 49.1 -34.4 | 296 38 34.5 -16.8 11 178 11927 305 62 50.8 -35.6 | 296 40 36.1 -17.9 12 150 12960 305 56 45.9 -32.1 | 295 34 31.2 -14.5 13 100 15390 300 44 38.1 -22.0 | 281 24 23.4 -4.4 Wind Parameters Mean winds (0-6000m): 290.2 at 30.6 knts Storm direction: 320.2 at 22.9 knts Shear (0-3000m) pos: 3.2 neg: 1.6 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 88.6 deg Storm rel helicity (0-3000m) pos: 98.3 neg: -0.4 tot: 97.9 m^2/s^2 ave: 32.6 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.30 Bulk Shear: 82.50 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 ------------------------------------------------------------------------------- 500 263 6 156 20| 4.7 0.0 4.7| 16.8 -0.4 16.4 32.8 0.65| 4.9 3.2 1000 275 9 161 18| 5.1 0.0 5.1| 32.8 -0.4 32.4 32.4 0.68| 5.2 3.5 1500 279 11 167 16| 5.0 0.0 5.0| 48.9 -0.4 48.5 32.4 0.76| 5.1 3.9 2000 281 14 175 15| 3.7 1.2 5.0| 65.5 -0.4 65.1 32.6 0.81| 5.0 4.1 2500 283 16 184 14| 3.0 2.0 4.9| 82.0 -0.4 81.7 32.7 0.83| 5.0 4.1 3000 283 18 193 14| 3.2 1.6 4.9| 98.3 -0.4 97.9 32.6 0.83| 4.9 4.1 4000 285 22 211 14| 3.3 1.2 4.6|131.6 -0.4 131.2 32.8 0.83| 4.6 3.8 5000 288 27 228 14| 3.4 1.0 4.4|169.2 -0.4 168.8 33.8 0.82| 4.5 3.7 6000 290 31 243 16| 3.4 0.8 4.2|220.1 -0.4 219.7 36.6 0.82| 4.4 3.6 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251211.00.gif