UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 1 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 1005 44 0.4 0.0 97 0.4 0.3 235 5 273.2 273.8 273.1 283.4 3.80 1 1000 84 0.2 -0.2 97 0.4 0.0 235 5 273.4 274.0 273.2 283.5 3.76 2 925 705 -3.3 -4.5 91 1.2 -3.7 270 13 275.9 276.4 273.5 284.1 2.96 3 850 1366 -8.5 -12.2 75 3.7 -9.5 280 23 277.2 277.5 272.5 282.3 1.76 4 841 1448 -9.1 -12.8 74 3.7 -10.1 279 24 277.5 277.7 272.5 282.3 1.70 5 806 1778 -7.5 -12.5 67 5.0 -9.0 276 28 282.6 282.9 275.5 287.8 1.81 6 700 2870 -10.5 -20.5 44 10.0 -12.9 265 40 290.9 291.0 278.7 294.2 1.07 7 637 3591 -12.5 -38.5 9 26.0 -16.3 266 44 296.5 296.6 280.1 297.3 0.22 8 500 5390 -25.5 -45.5 14 20.0 -27.3 270 56 301.9 302.0 282.4 302.4 0.13 9 494 5477 -26.3 -46.3 13 20.0 -28.0 270 57 302.0 302.0 282.4 302.4 0.12 10 400 6960 -39.5 -43.9 63 4.4 -39.8 275 66 303.7 303.7 283.1 304.3 0.19 11 300 8870 -54.7 -61.7 42 7.0 -54.8 275 73 308.2 308.3 284.7 308.4 0.03 12 257 9839 -60.9 -68.9 34 8.0 -61.0 270 77 313.0 313.0 286.4 313.1 0.01 13 250 10010 -61.1 -69.1 34 8.0 -61.2 275 81 315.2 315.2 287.2 315.3 0.01 14 227 10612 -61.7 -69.7 34 8.0 -61.7 275 85 323.2 323.2 289.8 323.2 0.01 15 226 10639 -61.7 -69.7 34 8.0 -61.8 275 85 323.5 323.5 289.9 323.6 0.01 16 200 11400 -61.5 -70.5 29 9.0 -61.6 285 75 335.4 335.4 293.2 335.4 0.01 17 150 13190 -61.1 -73.1 19 12.0 -61.3 290 56 364.8 364.8 299.7 364.9 0.01 18 135 13846 -59.1 -73.1 15 14.0 -59.3 293 52 379.5 379.5 302.2 379.6 0.01 19 100 15700 -64.5 -80.5 9 16.0 -64.7 300 42 403.1 403.1 305.6 403.1 0.01 20 95 16013 -65.5 -82.5 8 17.0 -65.7 407.1 407.1 306.2 407.1 0.00 21 75 17448 -66.3 -83.3 7 17.0 -66.5 433.9 433.9 309.3 433.9 0.01 TRP 257 9839 -60.9 -68.9 34 8.0 -61.0 270 77 313.0 313.0 286.4 313.1 0.01 WND 227 10612 -61.7 -69.7 34 8.0 -61.7 275 85 323.2 323.2 289.8 323.2 0.01 Sounding variables and indices 1000-500 mb thick: 5306.00 m Freezing level: 995.71 mb = 119.49 m = 392.01 ft Wetbulb zero: 999.60 mb = 87.15 m = 285.93 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 45.52 % Est. max temperature: 4.40 C = 39.92 F Sfc-Lift cond lev (LCL): 998.64 mb = 94.82 m = 311.08 ft T: 0.14 C 700-500 lapse rate: 5.95 C/km ThetaE index: 1.84 C Layer 850.0- 841.0 mb Conv cond level (CCL): 927.34 mb = 684.84 m = 2246.83 ft Mean mixing ratio: 3.26 g/kg Conv temperature: 3.09 C = 37.57 F Cap Strength: 13.14 C Lifted Index: 15.44 C Risk: None Lifted Index @300 mb: 17.35 C Lifted Index @700 mb: 9.40 C Showalter Index: 16.67 C Risk: None Total Totals Index: 30.30 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 13.30 C K Index: -5.20 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 4.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.54 J/kg Max Up Vert Vel: 4.81 m/s Conv Inhibition (B-): 20384.21 J/kg Cap Strength: 15.44 C Lift Cond Lev (LCL): 941.08 mb = 567.71 m = 1862.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 28 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 1005 44 235 5 4.1 2.9 | 129 26 -20.6 16.7 1 1000 84 235 5 4.1 2.9 | 129 26 -20.6 16.7 2 925 705 270 13 13.0 -0.0 | 140 18 -11.7 13.8 3 850 1366 280 23 22.7 -4.0 | 168 10 -2.0 9.8 4 700 2870 265 40 39.8 3.5 | 221 23 15.2 17.3 5 500 5390 270 56 56.0 -0.0 | 246 34 31.3 13.8 6 400 6960 275 66 65.7 -5.8 | 259 42 41.1 8.0 7 300 8870 275 73 72.7 -6.4 | 261 49 48.1 7.4 8 257 9839 270 77 77.0 -0.0 | 255 54 52.3 13.8 9 250 10010 275 81 80.7 -7.1 | 263 56 56.0 6.7 10 227 10612 275 85 84.7 -7.4 | 264 60 60.0 6.4 11 200 11400 285 75 72.4 -19.4 | 277 48 47.8 -5.6 12 150 13190 290 56 52.6 -19.2 | 281 28 28.0 -5.4 13 100 15700 300 42 36.4 -21.0 | 302 14 11.7 -7.2 Wind Parameters Mean winds (0-6000m): 269.2 at 37.7 knts Storm direction: 299.2 at 28.2 knts Shear (0-3000m) pos: 3.7 neg: 3.0 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 94.6 deg Storm rel helicity (0-3000m) pos: 99.1 neg: 0.0 tot: 99.1 m^2/s^2 ave: 33.0 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.09 Bulk Shear: 122.04 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 ------------------------------------------------------------------------------- 500 252 8 133 24| 7.0 0.0 7.0| 24.8 0.0 24.8 49.7 0.56| 7.2 4.0 1000 266 11 137 20| 7.5 0.0 7.5| 41.4 0.0 41.4 41.4 0.51| 7.7 3.9 1500 273 15 143 17| 7.4 0.0 7.4| 57.9 0.0 57.9 38.6 0.60| 7.6 4.6 2000 274 18 152 14| 5.6 1.6 7.1| 73.5 0.0 73.5 36.7 0.65| 7.3 4.7 2500 272 21 164 13| 4.5 2.6 7.0| 86.8 0.0 86.8 34.7 0.62| 7.2 4.4 3000 270 24 177 14| 3.7 3.0 6.7| 99.1 0.0 99.1 33.0 0.59| 6.9 4.1 4000 269 29 197 15| 3.6 2.3 5.9|133.3 0.0 133.3 33.3 0.62| 6.0 3.7 5000 269 34 211 17| 3.6 1.8 5.4|169.9 0.0 169.9 34.0 0.63| 5.5 3.4 6000 269 38 222 19| 3.6 1.5 5.1|216.5 0.0 216.5 36.1 0.64| 5.2 3.3 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251201.12.gif