UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121612.upa.cvt Date: 1200Z 16 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 16 DEC 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 1001 49 -19.3 -20.9 87 1.6 -19.6 110 1 253.8 253.9 253.5 255.7 0.72 1 1000 56 -19.1 -20.8 86 1.7 -19.3 115 1 254.1 254.2 253.8 256.0 0.73 2 996 86 -17.7 -19.9 83 2.2 -18.0 122 1 255.7 255.9 255.4 257.9 0.79 3 967 307 -16.3 -18.3 85 2.0 -16.7 171 2 259.3 259.5 258.6 261.9 0.93 4 943 495 -17.7 -19.5 86 1.8 -18.0 213 3 259.8 259.9 258.8 262.1 0.86 5 925 639 -17.5 -19.4 85 1.9 -17.8 245 3 261.4 261.6 260.1 263.9 0.89 6 850 1273 -18.5 -21.2 79 2.7 -19.0 285 3 266.8 266.9 264.0 269.1 0.83 7 777 1942 -19.1 -23.1 71 4.0 -19.8 301 4 273.1 273.2 268.2 275.3 0.77 8 700 2710 -24.1 -30.1 58 6.0 -24.8 320 5 275.8 275.9 269.4 277.2 0.45 9 637 3391 -28.3 -38.3 38 10.0 -29.1 348 11 278.6 278.6 270.7 279.3 0.22 10 578 4082 -31.9 -39.9 45 8.0 -32.5 17 16 282.2 282.2 272.8 282.9 0.21 11 500 5090 -39.3 -45.3 53 6.0 -39.6 60 25 285.1 285.1 274.3 285.6 0.13 12 460 5655 -43.7 -49.7 51 6.0 -43.9 60 25 286.5 286.5 275.0 286.8 0.09 13 431 6092 -43.5 -49.5 51 6.0 -43.7 60 25 292.2 292.2 277.9 292.5 0.10 14 400 6590 -47.1 -53.1 50 6.0 -47.3 60 25 293.8 293.8 278.6 294.0 0.07 15 386 6826 -49.3 -55.3 49 6.0 -49.4 59 25 293.9 293.9 278.7 294.1 0.05 16 348 7505 -52.1 -59.1 43 7.0 -52.2 55 25 299.0 299.0 280.9 299.1 0.04 17 300 8470 -52.1 -59.1 43 7.0 -52.2 40 19 311.9 311.9 286.1 312.1 0.04 18 287 8757 -50.1 -58.1 38 8.0 -50.3 35 19 318.7 318.8 288.4 319.0 0.05 19 250 9650 -51.9 -60.9 33 9.0 -52.1 20 19 328.9 328.9 291.5 329.1 0.04 20 222 10422 -52.1 -62.1 29 10.0 -52.4 4 19 340.0 340.0 294.3 340.1 0.04 21 200 11100 -52.1 -63.1 25 11.0 -52.4 350 19 350.3 350.3 296.7 350.4 0.04 22 150 12950 -54.7 -67.7 19 13.0 -55.0 325 17 375.8 375.8 301.6 376.0 0.03 23 146 13123 -54.9 -67.9 19 13.0 -55.2 323 18 378.4 378.4 302.0 378.5 0.03 24 100 15530 -57.5 -72.5 13 15.0 -57.9 295 27 416.6 416.6 307.3 416.7 0.02 25 96 15788 -58.1 -73.1 13 15.0 -58.5 295 27 420.3 420.4 307.7 420.5 0.02 26 70 17760 -61.9 -76.9 12 15.0 -62.2 295 31 452.0 452.0 311.0 452.0 0.02 27 69 17850 -62.5 -77.5 12 15.0 -62.8 295 31 452.5 452.5 311.1 452.6 0.01 28 50 19840 -64.3 -79.3 11 15.0 -64.6 295 35 492.0 492.0 314.4 492.0 0.01 29 49 19963 -64.5 -79.5 11 15.0 -64.8 294 36 494.3 494.3 314.5 494.4 0.01 30 35 22037 -60.9 -76.9 10 16.0 -61.6 285 47 553.7 553.7 318.3 553.9 0.03 31 30 22990 -62.9 -78.9 10 16.0 -63.5 280 52 573.2 573.2 319.3 573.3 0.03 32 29 23198 -63.3 -79.3 10 16.0 -63.9 279 52 577.6 577.7 319.6 577.8 0.03 33 21 25196 -59.7 -75.7 11 16.0 -60.9 271 52 644.4 644.4 322.5 644.9 0.06 34 20 25500 -60.5 -76.5 10 16.0 -61.6 270 52 651.0 651.0 322.7 651.4 0.06 35 14 27721 -60.7 -77.7 9 17.0 -62.2 720.2 720.2 325.1 720.8 0.07 36 13 28183 -59.3 -76.3 9 17.0 -61.2 740.5 740.5 325.7 741.3 0.09 37 11 29236 -56.9 -73.9 10 17.0 -59.5 785.4 785.5 326.9 787.0 0.16 TRP 348 7505 -52.1 -59.1 43 7.0 -52.2 55 25 299.0 299.0 280.9 299.1 0.04 WND Sounding variables and indices 1000-500 mb thick: 5034.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 61.47 % Est. max temperature: -6.38 C = 20.51 F Sfc-Lift cond lev (LCL): 975.01 mb = 245.27 m = 804.68 ft T: -16.69 C 700-500 lapse rate: 6.39 C/km ThetaE index: 0.00 C Layer 1001.0- -0.2 mb Conv cond level (CCL): 1000.00 mb = 56.00 m = 183.72 ft Mean mixing ratio: 0.87 g/kg Conv temperature: -18.64 C = -1.55 F Cap Strength: 17.47 C Lifted Index: 19.04 C Risk: None Lifted Index @300 mb: 35.36 C Lifted Index @700 mb: 13.06 C Showalter Index: 13.30 C Risk: None Total Totals Index: 38.90 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 18.10 C K Index: -6.40 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.11 J/kg Max Up Vert Vel: 7.09 m/s Conv Inhibition (B-): 61714.94 J/kg Cap Strength: 18.87 C Lift Cond Lev (LCL): 919.38 mb = 684.71 m = 2246.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 77 at 9 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 1001 49 110 1 -0.9 0.3 | 253 8 7.5 2.3 1 1000 56 115 1 -0.9 0.4 | 253 8 7.6 2.4 2 925 639 245 3 2.7 1.3 | 254 12 11.2 3.2 3 850 1273 285 3 2.9 -0.8 | 264 11 11.4 1.2 4 700 2710 320 5 3.2 -3.8 | 279 12 11.7 -1.9 5 500 5090 60 25 -21.7 -12.5 | 51 17 -13.2 -10.5 6 400 6590 60 25 -21.7 -12.5 | 51 17 -13.2 -10.5 7 348 7505 55 25 -20.5 -14.3 | 44 17 -12.0 -12.4 8 300 8470 40 19 -12.2 -14.6 | 16 13 -3.7 -12.6 9 250 9650 20 19 -6.5 -17.9 | 353 16 2.0 -15.9 10 200 11100 350 19 3.3 -18.7 | 325 20 11.8 -16.7 11 150 12950 325 17 9.8 -13.9 | 303 22 18.2 -12.0 12 100 15530 295 27 24.5 -11.4 | 286 34 33.0 -9.4 13 70 17760 295 31 28.1 -13.1 | 287 38 36.6 -11.1 14 50 19840 295 35 31.7 -14.8 | 288 42 40.2 -12.8 15 30 22990 280 52 51.2 -9.0 | 277 60 59.7 -7.1 16 20 25500 270 52 52.0 -0.0 | 268 61 60.5 2.0 Wind Parameters Mean winds (0-6000m): 47.0 at 11.6 knts Storm direction: 77.0 at 8.7 knts Shear (0-3000m) pos: 1.5 neg: 0.0 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 40.2 deg Storm rel helicity (0-3000m) pos: 31.0 neg: -2.5 tot: 28.5 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.07 Bulk Shear: 23.42 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 ------------------------------------------------------------------------------- 500 202 2 248 10| 3.3 0.0 3.3| 2.3 -2.5 -0.2 -0.5 -0.08| 4.1 -0.3 1000 246 2 255 11| 2.0 0.0 2.0| 9.1 -2.5 6.5 6.5 0.30| 3.3 1.0 1500 263 3 258 11| 1.5 0.0 1.5| 12.8 -2.5 10.2 6.8 0.40| 2.6 1.1 2000 276 3 262 11| 1.3 0.0 1.3| 16.0 -2.5 13.4 6.7 0.47| 2.2 1.1 2500 288 3 265 12| 1.2 0.0 1.2| 19.6 -2.5 17.1 6.8 0.54| 2.0 1.1 3000 299 4 269 12| 1.5 0.0 1.5| 31.0 -2.5 28.5 9.5 0.65| 2.3 1.5 4000 339 6 288 11| 2.1 0.0 2.1| 75.3 -2.5 72.8 18.2 0.81| 3.3 2.7 5000 33 9 326 7| 2.5 0.0 2.5|143.0 -2.5 140.5 28.1 0.88| 4.4 3.9 6000 47 12 0 6| 2.1 0.0 2.1|146.6 -2.5 144.0 24.0 0.88| 3.8 3.3 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251216.12.gif