UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 18 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 1012 53 -17.9 -20.9 77 3.0 -18.3 250 1 254.4 254.5 254.1 256.3 0.71 1 1000 142 -18.5 -22.4 71 3.9 -19.0 270 5 254.6 254.7 254.1 256.4 0.63 2 990 217 -18.9 -22.6 73 3.7 -19.4 274 6 255.0 255.1 254.4 256.7 0.63 3 959 455 -15.1 -17.9 79 2.8 -15.6 286 10 261.2 261.3 260.1 263.8 0.97 4 925 728 -15.5 -18.8 76 3.3 -16.1 300 15 263.5 263.6 261.8 266.0 0.94 5 872 1175 -15.7 -19.0 76 3.3 -16.3 307 21 267.7 267.9 265.0 270.5 0.98 6 850 1368 -15.5 -18.8 76 3.3 -16.2 310 23 269.9 270.1 266.5 272.8 1.02 7 779 2021 -17.3 -21.8 68 4.5 -18.1 312 25 274.8 274.9 269.5 277.3 0.86 8 700 2810 -23.5 -27.0 73 3.5 -24.0 315 27 276.5 276.6 270.1 278.3 0.60 9 676 3064 -25.5 -28.4 77 2.9 -25.9 317 29 277.0 277.1 270.3 278.6 0.54 10 615 3753 -23.9 -33.9 39 10.0 -25.1 321 35 286.4 286.5 275.4 287.6 0.35 11 510 5092 -34.7 -46.7 29 12.0 -35.4 329 47 289.1 289.1 276.4 289.5 0.11 12 500 5230 -35.5 -47.5 28 12.0 -36.1 330 48 289.8 289.8 276.7 290.1 0.10 13 440 6105 -43.1 -54.1 29 11.0 -43.5 324 47 290.9 290.9 277.2 291.1 0.06 14 400 6740 -47.7 -58.7 27 11.0 -47.9 320 46 293.0 293.0 278.2 293.1 0.03 15 378 7112 -50.7 -60.7 30 10.0 -50.9 318 44 293.8 293.8 278.6 293.9 0.03 16 316 8268 -56.1 -65.1 31 9.0 -56.2 310 36 301.8 301.8 282.1 301.8 0.02 17 300 8600 -54.9 -64.9 28 10.0 -55.1 310 36 308.0 308.0 284.6 308.0 0.02 18 250 9770 -55.1 -65.1 28 10.0 -55.2 315 44 324.1 324.2 290.0 324.2 0.02 19 248 9821 -55.1 -65.1 28 10.0 -55.3 315 44 324.9 324.9 290.3 325.0 0.02 20 207 10986 -50.5 -61.5 26 11.0 -50.8 311 46 349.3 349.4 296.5 349.5 0.05 21 200 11210 -51.3 -63.3 23 12.0 -51.6 310 46 351.5 351.5 297.0 351.7 0.04 22 172 12187 -51.7 -64.7 20 13.0 -52.1 302 46 366.4 366.4 299.9 366.5 0.04 23 150 13070 -53.5 -67.5 17 14.0 -53.9 295 46 377.9 377.9 301.9 378.0 0.03 24 132 13889 -54.3 -69.3 14 15.0 -54.7 300 43 390.5 390.5 303.9 390.7 0.03 25 100 15660 -55.9 -71.9 12 16.0 -56.3 310 38 419.7 419.7 307.7 419.8 0.02 26 91 16262 -57.3 -73.3 11 16.0 -57.7 305 39 428.4 428.4 308.7 428.5 0.02 27 79 17158 -58.7 -74.7 11 16.0 -59.1 297 39 443.2 443.2 310.2 443.3 0.02 28 70 17920 -59.3 -75.3 11 16.0 -59.7 290 40 457.5 457.5 311.5 457.6 0.02 29 58 19087 -62.7 -78.7 10 16.0 -63.0 296 42 475.1 475.1 313.1 475.2 0.01 30 50 20000 -63.3 -79.3 10 16.0 -63.7 300 44 494.3 494.3 314.5 494.4 0.01 31 34 22358 -65.9 -82.9 8 17.0 -66.2 292 44 545.1 545.1 317.8 545.2 0.01 32 30 23120 -64.7 -81.7 8 17.0 -65.2 290 44 568.3 568.3 319.0 568.4 0.02 33 25 24226 -65.3 -82.3 8 17.0 -65.8 283 47 597.0 597.0 320.5 597.1 0.02 34 20 25580 -65.1 -82.1 8 17.0 -65.8 275 50 636.9 636.9 322.2 637.1 0.02 35 18 26219 -67.3 -84.3 7 17.0 -67.9 649.4 649.5 322.7 649.6 0.02 36 15 27318 -67.4 -84.4 7 17.0 -68.1 245 66 683.9 683.9 323.9 684.1 0.02 37 12 28662 -67.5 -84.5 7 17.0 -68.3 728.6 728.6 325.3 728.8 0.03 TRP 316 8268 -56.1 -65.1 31 9.0 -56.2 310 36 301.8 301.8 282.1 301.8 0.02 WND 15 27318 -67.4 -84.4 7 17.0 -68.1 245 66 683.9 683.9 323.9 684.1 0.02 Sounding variables and indices 1000-500 mb thick: 5088.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 59.59 % Est. max temperature: -3.52 C = 25.67 F Sfc-Lift cond lev (LCL): 963.37 mb = 421.40 m = 1382.52 ft T: -15.64 C 700-500 lapse rate: 4.96 C/km ThetaE index: 0.00 C Layer 1012.0-26038240.0 mb Conv cond level (CCL): 704.32 mb = 2764.62 m = 9070.16 ft Mean mixing ratio: 0.84 g/kg Conv temperature: 4.16 C = 39.49 F Cap Strength: 22.50 C Lifted Index: 22.90 C Risk: None Lifted Index @300 mb: 32.62 C Lifted Index @700 mb: 13.75 C Showalter Index: 14.11 C Risk: None Total Totals Index: 36.70 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 16.70 C K Index: -2.30 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.53 J/kg Max Up Vert Vel: 9.54 m/s Conv Inhibition (B-): 69884.20 J/kg Cap Strength: 22.80 C Lift Cond Lev (LCL): 913.17 mb = 825.39 m = 2707.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 at 23 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 53 250 1 0.9 0.3 | 173 23 -2.8 23.2 1 1000 142 270 5 5.0 -0.0 | 183 23 1.3 22.9 2 925 728 300 15 13.0 -7.5 | 211 18 9.3 15.4 3 850 1368 310 23 17.6 -14.8 | 240 16 13.9 8.1 4 700 2810 315 27 19.1 -19.1 | 256 16 15.4 3.8 5 500 5230 330 48 24.0 -41.6 | 313 28 20.3 -18.7 6 400 6740 320 46 29.6 -35.2 | 296 29 25.8 -12.3 7 316 8268 310 36 27.6 -23.1 | 271 24 23.8 -0.3 8 300 8600 310 36 27.6 -23.1 | 271 24 23.8 -0.3 9 250 9770 315 44 31.1 -31.1 | 287 29 27.4 -8.2 10 200 11210 310 46 35.2 -29.6 | 282 32 31.5 -6.7 11 150 13070 295 46 41.7 -19.4 | 265 38 38.0 3.4 12 100 15660 310 38 29.1 -24.4 | 273 25 25.4 -1.5 13 70 17920 290 40 37.6 -13.7 | 255 35 33.9 9.2 14 50 20000 300 44 38.1 -22.0 | 269 34 34.4 0.9 15 30 23120 290 44 41.3 -15.0 | 258 38 37.6 7.8 16 20 25580 275 50 49.8 -4.4 | 248 50 46.1 18.5 Wind Parameters Mean winds (0-6000m): 320.7 at 30.9 knts Storm direction: 350.7 at 23.2 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 90.6 deg Storm rel helicity (0-3000m) pos: 146.6 neg: 0.0 tot: 146.6 m^2/s^2 ave: 48.9 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 5.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.54 Bulk Shear: 84.98 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 ------------------------------------------------------------------------------- 500 284 8 190 21| 11.6 0.0 11.6| 65.4 0.0 65.4 130.7 0.95| 12.1 11.5 1000 297 12 201 19| 9.5 0.0 9.5| 99.8 0.0 99.8 99.8 0.93| 10.2 9.4 1500 303 15 211 17| 7.9 0.0 7.9|120.7 0.0 120.7 80.5 0.94| 8.5 8.0 2000 306 17 219 16| 6.3 0.0 6.3|127.3 0.0 127.3 63.7 0.94| 6.7 6.4 2500 308 19 225 16| 5.3 0.0 5.3|134.0 0.0 134.0 53.6 0.95| 5.7 5.4 3000 310 20 230 16| 4.9 0.0 4.9|146.6 0.0 146.6 48.9 0.95| 5.3 5.0 4000 313 24 243 15| 4.8 0.0 4.8|187.3 0.0 187.3 46.8 0.94| 5.2 4.9 5000 318 27 260 15| 4.8 0.0 4.8|235.3 0.0 235.3 47.1 0.91| 5.2 4.7 6000 321 31 274 16| 4.0 0.3 4.3|244.0 -33.0 211.0 35.2 0.75| 4.8 3.6 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251218.00.gif