UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 2 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 1013 50 -5.3 -5.9 96 0.6 -5.5 255 5 266.9 267.3 266.9 273.4 2.42 1 1000 151 -5.7 -6.1 97 0.4 -5.8 260 7 267.5 267.8 267.3 273.9 2.42 2 981 301 -6.5 -6.9 97 0.4 -6.6 267 9 268.1 268.5 267.6 274.4 2.32 3 957 496 -2.7 -4.9 85 2.2 -3.5 277 13 273.9 274.3 272.0 281.5 2.77 4 925 765 -3.9 -9.9 63 6.0 -5.8 290 17 275.3 275.6 271.6 280.8 1.94 5 881 1149 -4.7 -19.7 30 15.0 -8.3 296 23 278.4 278.5 271.8 281.0 0.91 6 850 1430 -6.9 -19.9 35 13.0 -9.9 300 27 278.9 279.1 272.1 281.7 0.93 7 791 1988 -10.3 -18.3 52 8.0 -12.2 302 32 281.1 281.3 273.7 284.5 1.14 8 724 2669 -10.3 -12.8 82 2.5 -11.1 304 38 288.3 288.6 278.7 294.1 1.97 9 700 2928 -11.5 -13.2 87 1.7 -12.0 305 40 289.7 290.1 279.4 295.6 1.97 10 632 3706 -15.5 -16.5 92 1.0 -15.7 303 43 293.8 294.1 280.8 298.9 1.66 11 500 5430 -28.7 -32.7 68 4.0 -29.2 300 50 298.0 298.1 281.2 299.7 0.49 12 415 6729 -37.7 -42.7 59 5.0 -38.0 304 55 302.8 302.8 282.8 303.5 0.21 13 400 6980 -40.3 -45.3 59 5.0 -40.6 305 56 302.6 302.6 282.7 303.2 0.17 14 300 8880 -54.3 -60.3 48 6.0 -54.4 310 58 308.8 308.8 284.9 309.0 0.04 15 259 9811 -61.7 -67.7 45 6.0 -61.7 310 64 311.2 311.2 285.8 311.2 0.02 16 250 10030 -62.9 -68.9 44 6.0 -63.0 310 66 312.6 312.6 286.2 312.6 0.01 17 228 10593 -66.0 -72.0 43 6.0 -66.0 315 71 316.2 316.2 287.5 316.2 0.01 18 209 11117 -68.9 -74.9 42 6.0 -68.9 319.6 319.6 288.6 319.6 0.01 TRP WND 228 10593 -66.0 -72.0 43 6.0 -66.0 315 71 316.2 316.2 287.5 316.2 0.01 Sounding variables and indices 1000-500 mb thick: 5279.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 72.39 % Est. max temperature: 6.56 C = 43.81 F Sfc-Lift cond lev (LCL): 1003.33 mb = 124.91 m = 409.81 ft T: -5.60 C 700-500 lapse rate: 6.87 C/km ThetaE index: 0.69 C Layer 925.0- 881.0 mb Conv cond level (CCL): 807.82 mb = 1824.41 m = 5985.51 ft Mean mixing ratio: 2.34 g/kg Conv temperature: 8.34 C = 47.01 F Cap Strength: 15.01 C Lifted Index: 16.69 C Risk: None Lifted Index @300 mb: 21.79 C Lifted Index @700 mb: 12.59 C Showalter Index: 13.94 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 8.80 C K Index: 0.20 Risk: None Sweat Index: 104.00 Risk: None Energy Index: 3.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.41 J/kg Max Up Vert Vel: 9.32 m/s Conv Inhibition (B-): 7245.90 J/kg Cap Strength: 16.67 C Lift Cond Lev (LCL): 922.95 mb = 782.53 m = 2567.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 331 at 27 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 1013 50 255 5 4.8 1.3 | 162 27 -8.4 25.2 1 1000 151 260 7 6.9 1.2 | 166 26 -6.3 25.2 2 925 765 290 17 16.0 -5.8 | 189 18 2.7 18.1 3 850 1430 300 27 23.4 -13.5 | 224 15 10.2 10.4 4 700 2928 305 40 32.8 -22.9 | 267 20 19.5 1.0 5 500 5430 300 50 43.3 -25.0 | 272 30 30.1 -1.1 6 400 6980 305 56 45.9 -32.1 | 284 34 32.6 -8.2 7 300 8880 310 58 44.4 -37.3 | 293 34 31.2 -13.3 8 250 10030 310 66 50.6 -42.4 | 296 42 37.3 -18.5 Wind Parameters Mean winds (0-6000m): 301.1 at 36.5 knts Storm direction: 331.1 at 27.3 knts Shear (0-3000m) pos: 6.4 neg: 0.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 163.7 neg: 0.0 tot: 163.7 m^2/s^2 ave: 54.6 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 5.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.40 Bulk Shear: 109.37 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 ------------------------------------------------------------------------------- 500 271 9 171 24| 9.4 0.0 9.4| 51.9 0.0 51.9 103.8 0.84| 9.7 8.2 1000 285 13 179 21| 9.1 0.0 9.1| 86.2 0.0 86.2 86.2 0.81| 9.5 7.7 1500 292 17 189 18| 8.5 0.0 8.5|114.3 0.0 114.3 76.2 0.86| 8.8 7.5 2000 295 20 199 16| 7.5 0.0 7.5|131.5 0.0 131.5 65.7 0.87| 7.7 6.8 2500 298 23 209 15| 6.9 0.0 6.9|149.1 0.0 149.1 59.6 0.88| 7.1 6.2 3000 300 26 220 15| 6.4 0.0 6.4|163.7 0.0 163.7 54.6 0.86| 6.6 5.7 4000 301 30 236 15| 4.8 0.5 5.4|169.8 0.0 169.8 42.5 0.80| 5.5 4.4 5000 301 33 247 17| 3.9 0.9 4.7|174.3 0.0 174.3 34.9 0.74| 4.8 3.6 6000 301 36 254 19| 3.4 0.9 4.3|197.1 0.0 197.1 32.9 0.73| 4.4 3.2 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251202.12.gif