UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U3415... Searching the city database file for: U3415 ... Date:1200Z 6 DEC 25 Station: U3415 WMO ident: 23415 Latitude: 65.12 Longitude: 57.10 ------------------------------------------------------------------------------- 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 1026 61 -25.7 -29.4 71 3.7 -26.0 0 0 245.6 245.7 245.5 246.5 0.33 1 1000 250 -18.1 -21.2 77 3.1 -18.6 50 15 255.1 255.2 254.6 256.9 0.70 2 981 394 -11.9 -14.3 82 2.4 -12.4 54 17 262.7 262.9 261.9 266.2 1.29 3 956 590 -11.7 -16.5 68 4.8 -12.7 59 20 264.8 265.0 263.1 267.9 1.10 4 925 839 -13.9 -20.9 55 7.0 -15.2 65 23 265.1 265.2 262.7 267.3 0.78 5 924 847 -14.1 -21.1 55 7.0 -15.3 65 23 265.0 265.1 262.6 267.1 0.77 6 850 1475 -19.5 -24.1 67 4.6 -20.2 45 25 265.7 265.8 262.9 267.5 0.64 7 845 1519 -19.9 -24.2 69 4.3 -20.5 44 25 265.7 265.9 262.9 267.6 0.64 8 828 1670 -19.3 -23.2 71 3.9 -19.9 42 23 267.9 268.0 264.6 270.0 0.71 9 758 2322 -22.7 -30.7 48 8.0 -23.6 33 18 271.1 271.2 266.2 272.3 0.39 10 742 2478 -22.5 -32.5 40 10.0 -23.6 31 17 273.0 273.0 267.4 274.0 0.34 11 700 2904 -25.1 -38.1 29 13.0 -26.2 25 13 274.7 274.7 268.2 275.3 0.20 12 667 3252 -27.9 -41.9 25 14.0 -28.9 16 14 275.4 275.4 268.5 275.8 0.14 13 604 3956 -33.1 -44.1 32 11.0 -33.7 359 17 277.3 277.3 269.7 277.7 0.13 14 500 5260 -40.9 -52.9 26 12.0 -41.3 325 21 283.2 283.2 273.1 283.4 0.06 15 400 6750 -49.3 -61.3 23 12.0 -49.5 305 33 290.9 290.9 277.2 291.0 0.02 16 332 7954 -55.7 -67.7 21 12.0 -55.8 305 35 298.1 298.1 280.5 298.1 0.01 17 304 8516 -55.3 -67.3 21 12.0 -55.4 305 33 306.2 306.2 283.9 306.3 0.01 18 300 8600 -55.7 -67.7 21 12.0 -55.8 305 33 306.8 306.8 284.1 306.9 0.01 19 250 9760 -57.9 -69.9 20 12.0 -58.0 305 35 320.0 320.0 288.8 320.0 0.01 20 248 9811 -58.3 -70.3 20 12.0 -58.4 305 35 320.1 320.1 288.8 320.2 0.01 21 219 10596 -56.5 -68.5 21 12.0 -56.7 308 37 334.5 334.5 292.9 334.6 0.02 22 200 11170 -57.5 -69.5 20 12.0 -57.7 310 38 341.7 341.7 294.7 341.8 0.02 23 150 12980 -58.3 -71.3 17 13.0 -58.5 300 35 369.6 369.6 300.5 369.7 0.02 24 103 15327 -61.3 -75.3 14 14.0 -61.5 300 35 405.8 405.8 306.0 405.9 0.01 25 100 15510 -61.7 -75.7 14 14.0 -61.9 300 35 408.5 408.5 306.3 408.6 0.01 26 70 17690 -67.1 -81.1 12 14.0 -67.2 300 40 440.8 440.8 310.0 440.9 0.01 27 50 19700 -72.1 -86.1 10 14.0 -72.2 295 40 473.6 473.6 313.0 473.6 0.00 28 33 22115 -78.3 287 45 516.9 29 30 22660 -78.5 285 46 530.6 30 22 24408 -82.1 281 41 569.1 31 20 24940 -82.1 280 40 584.9 32 16 26190 -81.3 285 42 626.0 33 14 26935 -83.7 288 43 642.2 34 10 28820 -79.9 295 46 721.3 35 6.2 31546 -77.1 839.0 TRP 332 7954 -55.7 -67.7 21 12.0 -55.8 305 35 298.1 298.1 280.5 298.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5010.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 44.87 % Est. max temperature: -5.73 C = 21.68 F Sfc-Lift cond lev (LCL): 964.33 mb = 523.87 m = 1718.71 ft T: -11.77 C 700-500 lapse rate: 6.71 C/km ThetaE index: 0.74 C Layer 925.0- 850.0 mb Conv cond level (CCL): 793.82 mb = 1980.99 m = 6499.24 ft Mean mixing ratio: 0.91 g/kg Conv temperature: -1.71 C = 28.91 F Cap Strength: 13.23 C Lifted Index: 17.15 C Risk: None Lifted Index @300 mb: 31.53 C Lifted Index @700 mb: 11.79 C Showalter Index: 12.93 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 16.80 C K Index: -15.70 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 3.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.96 J/kg Max Up Vert Vel: 12.33 m/s Conv Inhibition (B-): 60880.35 J/kg Cap Strength: 17.04 C Lift Cond Lev (LCL): 922.93 mb = 855.96 m = 2808.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 41 at 14 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 1026 61 0 0 -0.0 -0.0 | 221 14 9.4 10.7 1 1000 250 50 15 -11.5 -9.6 | 118 2 -2.0 1.1 2 925 839 65 23 -20.8 -9.7 | 95 11 -11.4 1.0 3 850 1475 45 25 -17.7 -17.7 | 50 11 -8.2 -6.9 4 700 2904 25 13 -5.5 -11.8 | 285 4 4.0 -1.1 5 500 5260 325 21 12.0 -17.2 | 287 22 21.5 -6.5 6 400 6750 305 33 27.0 -18.9 | 283 37 36.5 -8.2 7 332 7954 305 35 28.7 -20.1 | 284 39 38.1 -9.3 8 300 8600 305 33 27.0 -18.9 | 283 37 36.5 -8.2 9 250 9760 305 35 28.7 -20.1 | 284 39 38.1 -9.3 10 200 11170 310 38 29.1 -24.4 | 290 41 38.6 -13.7 11 150 12980 300 35 30.3 -17.5 | 280 40 39.8 -6.8 12 100 15510 300 35 30.3 -17.5 | 280 40 39.8 -6.8 13 70 17690 300 40 34.6 -20.0 | 282 45 44.1 -9.3 14 50 19700 295 40 36.3 -16.9 | 278 46 45.7 -6.2 15 30 22660 285 46 44.4 -11.9 | 271 54 53.9 -1.2 16 20 24940 280 40 39.4 -6.9 | 266 49 48.8 3.8 17 10 28820 295 46 41.7 -19.4 | 280 52 51.1 -8.7 Wind Parameters Mean winds (0-6000m): 11.4 at 19.1 knts Storm direction: 41.4 at 14.3 knts Shear (0-3000m) pos: 4.1 neg: 2.6 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 71.2 deg Storm rel helicity (0-3000m) pos: 8.3 neg: -43.4 tot: -35.1 m^2/s^2 ave: -11.7 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 8.8 stream: -4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.50 Bulk Shear: 21.69 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 53 13 155 3| 19.8 0.0 19.8| 7.7 -5.1 2.6 5.2 -0.35| 24.4 -8.5 1000 59 18 106 6| 12.2 0.0 12.2| 7.9 -13.2 -5.3 -5.3 -0.36| 15.9 -5.6 1500 55 20 85 7| 8.1 2.0 10.2| 7.9 -30.3 -22.5 -15.0 -0.46| 12.8 -5.9 2000 51 20 73 7| 6.1 2.3 8.4| 7.9 -36.3 -28.4 -14.2 -0.47| 10.9 -5.1 2500 49 20 66 6| 4.9 2.5 7.4| 7.9 -40.8 -32.9 -13.2 -0.51| 9.7 -4.9 3000 46 19 61 5| 4.1 2.6 6.7| 8.3 -43.4 -35.1 -11.7 -0.52| 8.8 -4.5 4000 38 18 28 4| 3.0 2.8 5.9| 9.9 -44.2 -34.4 -8.6 -0.44| 7.5 -3.3 5000 26 18 345 6| 2.4 3.2 5.6| 9.9 -58.3 -48.4 -9.7 -0.43| 7.0 -3.0 6000 11 19 324 10| 2.0 3.5 5.5| 10.8 -67.6 -56.8 -9.5 -0.39| 6.6 -2.6 Wrote GIF file: /home/apache/climate/data/raob//U3415/skewt/U3415.skewt.20251206.12.gif