UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 4 DEC 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1012 74 -0.7 -2.9 85 2.2 -1.5 240 3 271.5 272.0 271.0 279.8 3.05 1 1000 169 -1.1 -2.6 90 1.5 -1.7 275 7 272.0 272.6 271.5 280.6 3.15 2 925 786 -4.9 -6.5 89 1.6 -5.4 290 19 274.3 274.7 271.9 281.3 2.54 3 850 1447 -7.7 -10.3 82 2.6 -8.5 315 11 278.1 278.4 273.4 283.9 2.05 4 781 2102 -10.7 -13.9 77 3.2 -11.6 315 21 281.7 282.0 274.8 286.5 1.67 5 775 2161 -9.9 -13.1 77 3.2 -10.8 315 21 283.2 283.5 275.8 288.4 1.80 6 766 2252 -8.7 -15.7 57 7.0 -10.6 315 23 285.4 285.7 276.5 289.8 1.47 7 755 2364 -8.9 -22.9 31 14.0 -12.0 315 24 286.4 286.5 276.0 288.8 0.80 8 731 2614 -9.5 -33.5 12 24.0 -13.5 315 28 288.4 288.4 276.3 289.4 0.31 9 701 2937 -10.1 -20.1 44 10.0 -12.6 315 33 291.2 291.4 278.9 294.6 1.10 10 700 2948 -10.1 -20.1 44 10.0 -12.6 315 33 291.3 291.5 279.0 294.7 1.11 11 694 3014 -10.3 -18.3 52 8.0 -12.4 316 33 291.8 292.0 279.4 295.8 1.30 12 569 4518 -18.7 -22.3 73 3.6 -19.5 327 37 299.0 299.2 282.4 302.6 1.12 13 500 5470 -24.9 -29.9 63 5.0 -25.7 335 40 302.7 302.8 283.3 304.8 0.64 14 488 5647 -25.7 -30.7 63 5.0 -26.5 335 41 303.8 303.9 283.7 305.8 0.61 15 400 7060 -37.5 -44.5 48 7.0 -37.9 335 46 306.3 306.3 284.1 306.9 0.18 16 350 7960 -45.9 -52.9 45 7.0 -46.2 340 54 306.8 306.8 284.2 307.1 0.08 17 307 8813 -53.7 -59.7 48 6.0 -53.8 344 63 307.6 307.6 284.5 307.8 0.04 18 300 8960 -54.5 -60.5 47 6.0 -54.6 345 64 308.5 308.5 284.8 308.7 0.04 19 270 9629 -58.8 -64.8 46 6.0 -58.9 345 73 311.7 311.8 286.0 311.8 0.02 20 250 10110 -61.9 -67.9 45 6.0 -62.0 350 68 314.0 314.0 286.8 314.1 0.02 21 211 11145 -67.3 -72.3 49 5.0 -67.3 345 62 321.2 321.2 289.1 321.3 0.01 22 206 11290 -66.3 -71.3 49 5.0 -66.3 341 55 325.0 325.0 290.3 325.1 0.01 23 200 11470 -63.5 -69.5 44 6.0 -63.6 335 46 332.2 332.2 292.3 332.3 0.02 24 181 12085 -61.9 -66.9 51 5.0 -62.0 326 45 344.4 344.4 295.4 344.5 0.03 25 150 13250 -61.1 -66.1 51 5.0 -61.2 310 42 364.8 364.8 299.7 365.0 0.04 26 108 15284 -61.1 -67.1 45 6.0 -61.2 302 28 400.8 400.8 305.3 401.0 0.04 27 100 15760 -61.5 -67.5 45 6.0 -61.6 300 25 408.9 408.9 306.4 409.1 0.04 28 70 17950 -65.1 -72.1 37 7.0 -65.3 300 36 445.1 445.1 310.4 445.3 0.03 29 50 19980 -67.9 -74.9 36 7.0 -68.1 300 38 483.5 483.5 313.7 483.7 0.03 30 47 20352 -68.1 -75.1 36 7.0 -68.2 298 39 491.6 491.6 314.4 491.8 0.03 31 41 21166 -71.5 -78.5 34 7.0 -71.6 294 42 502.7 502.7 315.1 502.9 0.02 32 38 21615 -71.3 -78.3 35 7.0 -71.4 292 43 514.3 514.3 315.9 514.4 0.02 33 30 23000 -74.9 -81.9 33 7.0 -75.0 285 48 540.5 540.5 317.5 540.6 0.02 34 28 23399 -76.1 -83.1 32 7.0 -76.2 547.9 547.9 318.0 548.0 0.01 TRP 211 11145 -67.3 -72.3 49 5.0 -67.3 345 62 321.2 321.2 289.1 321.3 0.01 WND 270 9629 -58.8 -64.8 46 6.0 -58.9 345 73 311.7 311.8 286.0 311.8 0.02 Sounding variables and indices 1000-500 mb thick: 5301.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 67.36 % Est. max temperature: 5.25 C = 41.45 F Sfc-Lift cond lev (LCL): 977.68 mb = 347.67 m = 1140.65 ft T: -2.20 C 700-500 lapse rate: 5.87 C/km ThetaE index: 0.93 C Layer 755.0- 731.0 mb Conv cond level (CCL): 915.62 mb = 865.63 m = 2839.97 ft Mean mixing ratio: 2.83 g/kg Conv temperature: 2.54 C = 36.57 F Cap Strength: 16.26 C Lifted Index: 18.26 C Risk: None Lifted Index @300 mb: 19.54 C Lifted Index @700 mb: 11.85 C Showalter Index: 15.98 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 14.60 C K Index: -3.10 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 4.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.23 J/kg Max Up Vert Vel: 4.30 m/s Conv Inhibition (B-): 37719.21 J/kg Cap Strength: 18.04 C Lift Cond Lev (LCL): 937.48 mb = 679.98 m = 2230.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 at 21 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 1012 74 240 3 2.6 1.5 | 179 22 -0.4 22.5 1 1000 169 275 7 7.0 -0.6 | 191 21 4.0 20.4 2 925 786 290 19 17.9 -6.5 | 226 21 14.8 14.5 3 850 1447 315 11 7.8 -7.8 | 200 14 4.8 13.2 4 700 2948 315 33 23.3 -23.3 | 277 20 20.3 -2.4 5 500 5470 335 40 16.9 -36.3 | 318 21 13.9 -15.3 6 400 7060 335 46 19.4 -41.7 | 322 26 16.4 -20.7 7 300 8960 345 64 16.6 -61.8 | 342 43 13.5 -40.9 8 270 9629 345 73 18.9 -70.5 | 342 52 15.9 -49.5 9 250 10110 350 68 11.8 -67.0 | 349 47 8.8 -46.0 10 211 11145 345 62 16.0 -59.9 | 341 41 13.0 -38.9 11 200 11470 335 46 19.4 -41.7 | 322 26 16.4 -20.7 12 150 13250 310 42 32.2 -27.0 | 282 30 29.2 -6.0 13 100 15760 300 25 21.7 -12.5 | 246 20 18.6 8.5 14 70 17950 300 36 31.2 -18.0 | 264 28 28.2 3.0 15 50 19980 300 38 32.9 -19.0 | 266 30 29.9 2.0 16 30 23000 285 48 46.4 -12.4 | 259 44 43.3 8.5 Wind Parameters Mean winds (0-6000m): 321.8 at 28.2 knts Storm direction: 351.8 at 21.2 knts Shear (0-3000m) pos: 3.1 neg: 2.5 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 168.6 neg: -27.7 tot: 140.9 m^2/s^2 ave: 47.0 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 63.54 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 ------------------------------------------------------------------------------- 500 280 10 199 20| 13.3 0.0 13.3| 69.9 0.0 69.9 139.9 0.98| 13.3 13.0 1000 289 13 210 19| 7.4 0.0 7.4| 92.5 -10.1 82.5 82.5 0.67| 11.2 7.6 1500 294 13 210 18| 4.3 0.0 4.3| 97.4 -27.7 69.7 46.5 0.41| 9.8 4.0 2000 300 14 213 17| 3.2 1.9 5.1|122.0 -27.7 94.3 47.2 0.53| 9.2 4.8 2500 305 16 221 16| 2.6 3.0 5.6|146.6 -27.7 118.9 47.6 0.58| 8.9 5.2 3000 308 19 230 15| 3.1 2.5 5.6|168.6 -27.7 140.9 47.0 0.60| 8.5 5.1 4000 312 22 247 15| 2.8 1.9 4.7|198.2 -27.7 170.5 42.6 0.64| 7.1 4.5 5000 317 26 262 14| 2.7 1.5 4.2|229.4 -27.7 201.7 40.3 0.68| 6.3 4.2 6000 322 28 275 14| 2.4 1.4 3.8|246.1 -27.7 218.4 36.4 0.68| 5.6 3.8 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251204.00.gif