UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 4 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 1000 47 -5.7 -8.0 84 2.3 -6.4 250 5 267.5 267.8 266.8 273.1 2.09 1 945 489 -9.1 -10.3 91 1.2 -9.4 254 9 268.4 268.7 267.0 273.4 1.84 2 925 655 -7.9 -9.8 86 1.9 -8.5 255 11 271.2 271.6 269.1 276.6 1.96 3 850 1308 -10.9 -14.5 75 3.6 -11.8 280 21 274.7 275.0 270.5 278.9 1.46 4 811 1667 -12.5 -20.5 51 8.0 -14.2 276 22 276.7 276.9 270.8 279.4 0.92 5 774 2022 -15.1 -27.1 35 12.0 -17.0 273 23 277.7 277.8 270.7 279.3 0.54 6 700 2772 -21.1 -30.1 44 9.0 -22.3 265 25 279.1 279.2 271.4 280.5 0.45 7 614 3728 -28.9 -32.6 70 3.7 -29.3 277 30 280.8 280.9 272.3 282.1 0.40 8 561 4372 -32.1 -35.4 72 3.3 -32.4 285 34 284.4 284.4 274.3 285.4 0.33 9 500 5180 -36.5 -40.7 65 4.2 -36.8 295 38 288.5 288.6 276.3 289.3 0.22 10 464 5695 -39.5 -43.9 63 4.4 -39.7 297 41 291.0 291.1 277.4 291.6 0.17 11 400 6700 -44.5 -49.5 57 5.0 -44.7 300 46 297.2 297.2 280.3 297.5 0.10 12 361 7378 -47.7 -53.7 50 6.0 -47.9 298 50 301.7 301.7 282.2 302.0 0.07 13 300 8570 -56.1 -64.1 36 8.0 -56.2 295 58 306.3 306.3 284.0 306.4 0.02 14 264 9378 -61.1 -70.1 29 9.0 -61.2 295 54 310.4 310.4 285.5 310.4 0.01 15 250 9720 -59.3 -69.3 26 10.0 -59.4 295 52 317.9 317.9 288.1 318.0 0.01 16 200 11120 -56.1 -69.1 18 13.0 -56.3 300 48 343.9 343.9 295.3 344.0 0.02 17 187 11548 -55.3 -68.3 18 13.0 -55.5 351.9 351.9 297.1 352.0 0.02 18 156 12699 -57.3 -72.3 13 15.0 -57.5 367.2 367.2 300.1 367.3 0.01 TRP 264 9378 -61.1 -70.1 29 9.0 -61.2 295 54 310.4 310.4 285.5 310.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5133.23 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 64.16 % Est. max temperature: 1.58 C = 34.84 F Sfc-Lift cond lev (LCL): 964.10 mb = 332.37 m = 1090.45 ft T: -7.90 C 700-500 lapse rate: 6.40 C/km ThetaE index: 0.16 C Layer 774.0- 700.0 mb Conv cond level (CCL): 842.69 mb = 1374.11 m = 4508.19 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 1.95 C = 35.51 F Cap Strength: 8.84 C Lifted Index: 11.70 C Risk: None Lifted Index @300 mb: 22.45 C Lifted Index @700 mb: 5.72 C Showalter Index: 8.30 C Risk: None Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 22.00 C K Index: 2.10 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 2.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.63 J/kg Max Up Vert Vel: 6.73 m/s Conv Inhibition (B-): 10383.01 J/kg Cap Strength: 11.63 C Lift Cond Lev (LCL): 921.34 mb = 685.64 m = 2249.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 20 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 1000 47 250 5 4.7 1.7 | 146 18 -10.2 15.3 1 1000 49 250 5 4.7 1.7 | 146 18 -10.2 15.3 2 925 655 255 11 10.6 2.8 | 165 17 -4.3 16.4 3 850 1308 280 21 20.7 -3.6 | 210 11 5.7 9.9 4 700 2772 265 25 24.9 2.2 | 212 19 10.0 15.8 5 500 5180 295 38 34.4 -16.1 | 277 20 19.5 -2.5 6 400 6700 300 46 39.8 -23.0 | 291 27 24.9 -9.4 7 300 8570 295 58 52.6 -24.5 | 286 39 37.6 -10.9 8 264 9378 295 54 48.9 -22.8 | 285 35 34.0 -9.2 9 250 9720 295 52 47.1 -22.0 | 285 33 32.2 -8.4 10 200 11120 300 48 41.6 -24.0 | 291 29 26.6 -10.4 Wind Parameters Mean winds (0-6000m): 282.3 at 26.9 knts Storm direction: 312.3 at 20.2 knts Shear (0-3000m) pos: 3.3 neg: 0.8 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 72.7 deg Storm rel helicity (0-3000m) pos: 80.7 neg: -0.5 tot: 80.1 m^2/s^2 ave: 26.7 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.40 Bulk Shear: 57.00 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 ------------------------------------------------------------------------------- 500 253 7 154 18| 5.1 0.0 5.1| 22.5 0.0 22.5 45.0 0.97| 5.1 4.9 1000 259 10 163 16| 6.4 0.0 6.4| 52.7 0.0 52.7 52.7 0.93| 6.7 6.2 1500 269 14 174 14| 6.0 0.0 6.0| 69.1 0.0 69.1 46.1 0.89| 6.6 5.9 2000 271 16 184 13| 4.5 0.6 5.1| 70.2 0.0 70.2 35.1 0.80| 5.6 4.5 2500 271 17 190 14| 3.6 1.0 4.6| 70.4 -0.2 70.2 28.1 0.72| 5.0 3.6 3000 270 19 195 14| 3.3 0.8 4.2| 80.7 -0.5 80.1 26.7 0.71| 4.7 3.3 4000 272 21 206 14| 3.4 0.6 4.0|120.5 -0.5 120.0 30.0 0.78| 4.6 3.6 5000 277 24 221 14| 3.5 0.5 4.0|165.4 -0.5 164.8 33.0 0.82| 4.6 3.8 6000 282 27 235 14| 3.4 0.4 3.8|189.7 -0.5 189.1 31.5 0.81| 4.4 3.5 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251204.12.gif