UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 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 1010 44 -9.1 -11.6 82 2.5 -9.7 240 5 263.3 263.5 262.9 267.5 1.55 1 1000 121 -9.5 -12.0 82 2.5 -10.1 240 5 263.6 263.9 263.0 267.8 1.52 2 925 717 -14.1 -16.9 79 2.8 -14.7 260 11 264.9 265.1 263.2 267.9 1.10 3 914 808 -14.7 -17.6 79 2.9 -15.3 261 12 265.2 265.4 263.3 268.1 1.05 4 850 1358 -13.9 -16.1 83 2.2 -14.4 270 19 271.6 271.8 268.1 275.2 1.28 5 823 1603 -13.7 -15.5 86 1.8 -14.1 268 21 274.3 274.5 270.1 278.3 1.39 6 700 2828 -15.7 -18.0 82 2.3 -16.2 260 33 285.1 285.3 276.2 289.1 1.32 7 651 3374 -16.9 -19.3 82 2.4 -17.4 262 37 289.7 289.9 278.4 293.6 1.27 8 522 5000 -26.3 -29.3 76 3.0 -26.8 269 50 297.3 297.4 281.1 299.4 0.65 9 500 5310 -28.9 270 52 297.8 10 400 6860 -42.3 270 62 300.0 11 308 8574 -57.3 265 72 302.3 12 300 8740 -58.1 265 73 303.4 13 252 9812 -65.6 270 79 307.9 14 250 9860 -65.9 270 79 308.1 15 242 10059 -66.3 270 77 310.4 16 200 11220 -66.5 275 64 327.4 17 194 11404 -66.9 276 63 329.7 18 166 12346 -65.3 281 59 347.4 19 150 12960 -66.1 285 56 356.2 20 103 15220 -69.7 389.8 TRP 242 10059 -66.3 270 77 310.4 WND 252 9812 -65.6 270 79 307.9 Sounding variables and indices 1000-500 mb thick: 5189.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 81.27 % Est. max temperature: -1.84 C = 28.70 F Sfc-Lift cond lev (LCL): 970.33 mb = 351.29 m = 1152.52 ft T: -11.28 C 700-500 lapse rate: 5.32 C/km Conv cond level (CCL): 605.65 mb = 3905.63 m = 12813.60 ft Mean mixing ratio: 1.29 g/kg Conv temperature: 19.90 C = 67.83 F Cap Strength: 24.60 C Lifted Index: 24.69 C Risk: None Lifted Index @300 mb: 25.20 C Lifted Index @700 mb: 16.54 C Showalter Index: 18.83 C Risk: None Total Totals Index: 27.80 C Risk: None Vertical Totals Index: 15.00 C Cross Totals Index: 12.80 C K Index: -3.40 Risk: None Sweat Index: 90.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.89 J/kg Max Up Vert Vel: 2.79 m/s Conv Inhibition (B-): 18572.19 J/kg Cap Strength: 24.70 C Lift Cond Lev (LCL): 920.27 mb = 755.85 m = 2479.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 25 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 1010 44 240 5 4.3 2.5 | 127 23 -18.1 13.5 1 1000 121 240 5 4.3 2.5 | 127 23 -18.1 13.5 2 925 717 260 11 10.8 1.9 | 138 17 -11.6 12.9 3 850 1358 270 19 19.0 -0.0 | 163 11 -3.4 11.0 4 700 2828 260 33 32.5 5.7 | 211 20 10.1 16.7 5 500 5310 270 52 52.0 -0.0 | 250 32 29.6 11.0 6 400 6860 270 62 62.0 -0.0 | 254 41 39.6 11.0 7 300 8740 265 73 72.7 6.4 | 251 53 50.3 17.3 8 252 9812 270 79 79.0 -0.0 | 259 58 56.6 11.0 9 250 9860 270 79 79.0 -0.0 | 259 58 56.6 11.0 10 242 10059 270 77 77.0 -0.0 | 259 56 54.6 11.0 11 200 11220 275 64 63.8 -5.6 | 263 42 41.4 5.4 12 150 12960 285 56 54.1 -14.5 | 276 32 31.7 -3.5 Wind Parameters Mean winds (0-6000m): 266.1 at 33.3 knts Storm direction: 296.1 at 25.0 knts Shear (0-3000m) pos: 2.8 neg: 2.5 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 88.9 deg Storm rel helicity (0-3000m) pos: 94.1 neg: 0.0 tot: 94.1 m^2/s^2 ave: 31.4 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 95.57 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 ------------------------------------------------------------------------------- 500 248 7 130 21| 4.7 0.0 4.7| 16.8 0.0 16.8 33.7 0.66| 4.8 3.1 1000 257 9 135 19| 5.5 0.0 5.5| 34.1 0.0 34.1 34.1 0.64| 5.6 3.6 1500 263 12 141 16| 5.7 0.0 5.7| 50.2 0.0 50.2 33.5 0.71| 5.8 4.1 2000 264 15 149 15| 4.3 1.3 5.5| 64.9 0.0 64.9 32.5 0.76| 5.6 4.2 2500 264 18 159 14| 3.4 2.1 5.5| 78.8 0.0 78.8 31.5 0.74| 5.5 4.1 3000 263 20 169 14| 2.8 2.5 5.3| 94.1 0.0 94.1 31.4 0.73| 5.4 3.9 4000 263 24 188 14| 3.2 1.8 5.0|134.5 0.0 134.5 33.6 0.75| 5.1 3.8 5000 265 29 205 15| 3.4 1.5 4.9|180.1 0.0 180.1 36.0 0.76| 4.9 3.7 6000 266 33 219 17| 3.1 1.5 4.6|207.2 0.0 207.2 34.5 0.72| 4.7 3.4 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251211.12.gif