UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 25 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 1008 50 -31.7 -34.9 73 3.2 -31.9 290 1 240.9 240.9 240.8 241.4 0.20 1 1000 106 -31.3 -35.0 70 3.7 -31.5 315 3 241.9 241.9 241.6 242.4 0.20 2 975 287 -26.1 -29.8 71 3.7 -26.4 326 4 248.8 248.9 248.4 249.7 0.33 3 925 671 -21.7 -26.7 64 5.0 -22.3 350 5 257.1 257.2 255.8 258.4 0.46 4 911 783 -19.9 -24.9 64 5.0 -20.5 331 6 260.1 260.2 258.4 261.6 0.56 5 850 1297 -19.3 -26.3 54 7.0 -20.3 245 11 265.9 266.0 262.8 267.4 0.52 6 823 1537 -19.3 -26.3 54 7.0 -20.3 242 13 268.4 268.5 264.6 270.0 0.54 7 700 2725 -25.3 -37.3 32 12.0 -26.3 225 25 274.5 274.5 268.1 275.2 0.22 8 654 3217 -27.9 -42.9 23 15.0 -28.9 225 26 276.9 276.9 269.5 277.3 0.13 9 638 3395 -29.3 -45.3 20 16.0 -30.3 225 27 277.3 277.3 269.7 277.6 0.10 10 582 4046 -34.5 -45.5 32 11.0 -35.1 225 28 278.6 278.6 270.5 279.0 0.11 11 505 5032 -38.5 -49.5 30 11.0 -38.9 225 31 285.3 285.3 274.3 285.6 0.08 12 500 5100 -39.1 -51.1 27 12.0 -39.6 225 31 285.4 285.4 274.3 285.6 0.07 13 416 6325 -49.5 -61.5 23 12.0 -49.7 225 34 287.4 287.4 275.3 287.5 0.02 14 400 6580 -50.5 -62.5 23 12.0 -50.7 225 35 289.4 289.4 276.4 289.4 0.02 15 349 7465 -54.3 -65.3 25 11.0 -54.4 230 38 295.7 295.7 279.4 295.8 0.02 16 300 8440 -53.5 -64.5 25 11.0 -53.7 235 35 309.9 309.9 285.3 310.0 0.02 17 250 9610 -53.7 -65.7 22 12.0 -53.9 230 31 326.2 326.2 290.6 326.3 0.02 18 224 10315 -53.1 -66.1 19 13.0 -53.4 237 32 337.6 337.6 293.7 337.7 0.02 19 200 11040 -55.1 -68.1 18 13.0 -55.4 245 33 345.5 345.5 295.7 345.6 0.02 20 150 12870 -56.7 -71.7 13 15.0 -57.0 265 35 372.4 372.4 301.0 372.5 0.02 21 100 15410 -60.9 -75.9 12 15.0 -61.2 250 40 410.1 410.1 306.5 410.1 0.01 22 92 15926 -62.7 -78.7 10 16.0 -62.9 249 40 416.4 416.4 307.3 416.4 0.01 23 73 17336 -66.9 -81.9 10 15.0 -67.1 246 42 436.0 436.0 309.5 436.0 0.01 24 70 17590 -66.5 -81.5 10 15.0 -66.7 245 42 442.1 442.1 310.1 442.2 0.01 25 65 18036 -67.9 -82.9 10 15.0 -68.1 246 46 448.5 448.5 310.7 448.6 0.01 26 50 19610 -67.9 -82.9 10 15.0 -68.1 250 58 483.5 483.5 313.7 483.5 0.01 27 30 22660 -69.5 -84.5 10 15.0 -69.8 255 69 555.2 555.2 318.4 555.2 0.01 28 23 24242 -71.5 -86.5 9 15.0 -71.8 248 79 593.1 593.1 320.3 593.2 0.01 29 20 25080 -66.7 -82.7 9 16.0 -67.2 245 85 632.0 632.0 322.0 632.2 0.02 30 19 25392 -64.9 -80.9 9 16.0 -65.6 646.9 646.9 322.6 647.2 0.03 31 11 28789 -56.9 -73.9 10 17.0 -59.5 785.4 785.5 326.9 787.0 0.16 TRP 349 7465 -54.3 -65.3 25 11.0 -54.4 230 38 295.7 295.7 279.4 295.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 4994.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 41.51 % Est. max temperature: -7.41 C = 18.66 F Sfc-Lift cond lev (LCL): 954.55 mb = 441.67 m = 1449.03 ft T: -24.33 C 700-500 lapse rate: 5.81 C/km ThetaE index: 0.00 C Layer 1008.0--230215357595645902848.0 mb Conv cond level (CCL): 1000.00 mb = 106.00 m = 347.76 ft Mean mixing ratio: 0.37 g/kg Conv temperature: -27.74 C = -17.92 F Cap Strength: 27.16 C Lifted Index: 27.15 C Risk: None Lifted Index @300 mb: 40.82 C Lifted Index @700 mb: 20.27 C Showalter Index: 14.85 C Risk: None Total Totals Index: 32.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 12.80 C K Index: -18.50 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 65.84 J/kg Max Up Vert Vel: 11.48 m/s Conv Inhibition (B-): 63130.42 J/kg Cap Strength: 26.95 C Lift Cond Lev (LCL): 898.51 mb = 885.77 m = 2906.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 at 16 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 1008 50 290 1 0.9 -0.3 | 76 16 -15.1 -3.7 1 1000 106 315 3 2.1 -2.1 | 69 15 -14.0 -5.5 2 925 671 350 5 0.9 -4.9 | 61 17 -15.2 -8.3 3 850 1297 245 11 10.0 4.6 | 102 6 -6.1 1.3 4 700 2725 225 25 17.7 17.7 | 186 14 1.6 14.3 5 500 5100 225 31 21.9 21.9 | 197 19 5.8 18.6 6 400 6580 225 35 24.7 24.7 | 202 23 8.7 21.4 7 349 7465 230 38 29.1 24.4 | 212 25 13.0 21.1 8 300 8440 235 35 28.7 20.1 | 217 21 12.6 16.7 9 250 9610 230 31 23.7 19.9 | 205 18 7.7 16.6 10 200 11040 245 33 29.9 13.9 | 233 17 13.8 10.6 11 150 12870 265 35 34.9 3.1 | 271 19 18.8 -0.3 12 100 15410 250 40 37.6 13.7 | 244 24 21.5 10.3 13 70 17590 245 42 38.1 17.7 | 237 26 22.0 14.4 14 50 19610 250 58 54.5 19.8 | 247 42 38.4 16.5 15 30 22660 255 69 66.6 17.9 | 254 53 50.6 14.5 16 20 25080 245 85 77.0 35.9 | 242 69 61.0 32.6 Wind Parameters Mean winds (0-6000m): 228.2 at 21.9 knts Storm direction: 258.2 at 16.4 knts Shear (0-3000m) pos: 0.7 neg: 4.8 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 112.0 deg Storm rel helicity (0-3000m) pos: 30.1 neg: -27.0 tot: 3.2 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 1.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.95 Bulk Shear: 69.38 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 ------------------------------------------------------------------------------- 500 330 4 66 16| 4.2 0.0 4.2| 0.0 -15.4 -15.4 -30.7 -0.84| 4.6 -3.9 1000 323 5 61 15| 2.1 3.7 5.8| 0.8 -27.0 -26.2 -26.2 -0.47| 6.9 -3.2 1500 277 7 65 10| 1.4 5.2 6.5| 14.5 -27.0 -12.5 -8.3 0.08| 8.0 0.6 2000 256 9 81 7| 1.0 5.2 6.3| 21.5 -27.0 -5.4 -2.7 0.22| 7.4 1.6 2500 244 11 107 6| 0.8 5.3 6.1| 27.0 -27.0 0.1 0.0 0.25| 7.0 1.8 3000 237 14 131 6| 0.7 4.8 5.5| 30.1 -27.0 3.2 1.1 0.25| 6.3 1.6 4000 232 17 159 8| 0.5 4.0 4.5| 36.1 -27.0 9.2 2.3 0.27| 5.1 1.4 5000 229 20 173 10| 0.4 3.4 3.8| 42.2 -27.0 15.2 3.0 0.29| 4.3 1.2 6000 228 22 181 11| 0.3 3.1 3.4| 48.6 -27.0 21.6 3.6 0.30| 3.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251225.00.gif