UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U3955... Searching the city database file for: U3955 ... Date:0000Z 8 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 1031 49 -35.3 -39.0 69 3.7 -35.4 330 1 235.8 235.8 235.7 236.1 0.13 1 1000 264 -30.7 -34.4 70 3.7 -30.9 335 3 242.4 242.5 242.2 243.0 0.21 2 968 498 -25.7 -29.4 71 3.7 -26.0 345 5 249.8 249.8 249.2 250.7 0.35 3 925 830 -23.5 -27.2 72 3.7 -23.9 360 7 255.3 255.3 254.2 256.5 0.44 4 866 1314 -21.7 -25.1 74 3.4 -22.1 356 10 262.0 262.1 259.9 263.6 0.57 5 850 1451 -21.7 -25.0 75 3.3 -22.1 355 11 263.4 263.5 261.0 265.1 0.59 6 803 1870 -21.7 -25.0 75 3.3 -22.2 351 12 267.7 267.8 264.3 269.5 0.63 7 700 2873 -26.1 -38.1 31 12.0 -27.1 340 15 273.6 273.6 267.5 274.2 0.20 8 646 3451 -28.7 -40.7 31 12.0 -29.6 340 16 277.0 277.0 269.6 277.5 0.17 9 598 4000 -31.9 -43.9 29 12.0 -32.6 340 18 279.5 279.5 271.1 279.9 0.13 10 500 5240 -41.1 -50.1 37 9.0 -41.4 340 21 282.9 282.9 273.0 283.2 0.08 11 458 5829 -45.5 -53.5 40 8.0 -45.7 340 24 284.6 284.6 273.9 284.8 0.06 12 400 6720 -50.1 -58.1 38 8.0 -50.3 340 29 289.9 289.9 276.7 290.0 0.04 13 333 7902 -56.9 -64.9 36 8.0 -57.0 334 33 296.2 296.2 279.7 296.2 0.02 14 300 8560 -59.5 -67.5 35 8.0 -59.6 330 36 301.5 301.5 282.0 301.5 0.01 15 280 8988 -61.5 -69.5 34 8.0 -61.6 320 38 304.6 304.6 283.2 304.6 0.01 16 255 9567 -60.1 -68.1 34 8.0 -60.2 324 41 314.9 314.9 287.1 315.0 0.02 17 250 9690 -60.7 -68.7 34 8.0 -60.8 325 42 315.8 315.8 287.4 315.9 0.01 18 223 10401 -60.9 -68.9 34 8.0 -61.0 326.0 326.0 290.6 326.1 0.02 TRP 280 8988 -61.5 -69.5 34 8.0 -61.6 320 38 304.6 304.6 283.2 304.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 4976.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 49.93 % Est. max temperature: -10.63 C = 12.87 F Sfc-Lift cond lev (LCL): 967.31 mb = 503.38 m = 1651.49 ft T: -25.67 C 700-500 lapse rate: 6.34 C/km ThetaE index: 0.00 C Layer 1031.0-3265073720837799936.0 mb Conv cond level (CCL): 537.61 mb = 4737.41 m = 15542.48 ft Mean mixing ratio: 0.29 g/kg Conv temperature: 10.89 C = 51.60 F Cap Strength: 28.02 C Lifted Index: 29.43 C Risk: None Lifted Index @300 mb: 38.54 C Lifted Index @700 mb: 24.07 C Showalter Index: 14.72 C Risk: None Total Totals Index: 35.50 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 16.10 C K Index: -17.60 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 65.57 J/kg Max Up Vert Vel: 11.45 m/s Conv Inhibition (B-): 12345.75 J/kg Cap Strength: 29.40 C Lift Cond Lev (LCL): 931.48 mb = 779.00 m = 2555.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 13 at 11 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 1031 49 330 1 0.5 -0.9 | 196 10 2.9 10.0 1 1000 264 335 3 1.3 -2.7 | 204 9 3.7 8.2 2 925 830 360 7 -0.0 -7.0 | 212 5 2.4 3.9 3 850 1451 355 11 1.0 -11.0 | 271 3 3.4 -0.1 4 700 2873 340 15 5.1 -14.1 | 293 8 7.6 -3.2 5 500 5240 340 21 7.2 -19.7 | 313 13 9.6 -8.9 6 400 6720 340 29 9.9 -27.3 | 323 21 12.4 -16.4 7 300 8560 330 36 18.0 -31.2 | 315 29 20.4 -20.3 8 280 8988 320 38 24.4 -29.1 | 304 32 26.9 -18.2 9 250 9690 325 42 24.1 -34.4 | 312 35 26.5 -23.5 Wind Parameters Mean winds (0-6000m): 342.7 at 14.9 knts Storm direction: 12.7 at 11.1 knts Shear (0-3000m) pos: 1.3 neg: 1.4 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 98.8 deg Storm rel helicity (0-3000m) pos: 12.0 neg: 0.0 tot: 12.0 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.59 Bulk Shear: 18.26 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 ------------------------------------------------------------------------------- 500 340 3 204 9| 4.2 0.0 4.2| 5.3 0.0 5.3 10.6 0.53| 4.3 2.3 1000 353 5 207 7| 3.9 0.0 3.9| 6.8 0.0 6.8 6.8 0.44| 4.1 1.8 1500 354 7 215 5| 2.6 1.0 3.6| 9.3 0.0 9.3 6.2 0.57| 3.8 2.2 2000 353 8 228 5| 1.9 1.2 3.1| 10.3 0.0 10.3 5.2 0.57| 3.3 1.9 2500 351 9 243 4| 1.6 1.3 2.9| 11.1 0.0 11.1 4.4 0.53| 3.0 1.6 3000 348 10 256 5| 1.3 1.4 2.6| 12.0 0.0 12.0 4.0 0.50| 2.8 1.4 4000 345 12 274 5| 1.0 1.3 2.3| 16.0 0.0 16.0 4.0 0.52| 2.4 1.3 5000 344 13 286 6| 0.8 1.3 2.1| 20.1 0.0 20.1 4.0 0.52| 2.2 1.1 6000 343 15 296 8| 0.6 1.5 2.2| 27.8 0.0 27.8 4.6 0.50| 2.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20251208.00.gif