UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 27 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 1006 51 -14.9 -18.3 75 3.4 -15.5 200 3 257.8 257.9 257.3 260.2 0.90 1 1000 96 -14.7 -18.3 74 3.6 -15.3 210 7 258.5 258.6 257.8 260.9 0.90 2 925 684 -14.1 -18.0 72 3.9 -14.9 250 21 264.9 265.1 263.0 267.7 1.00 3 894 943 -13.7 -17.2 75 3.5 -14.5 254 21 267.9 268.1 265.3 271.0 1.11 4 850 1330 -10.5 -12.9 82 2.4 -11.1 260 21 275.1 275.4 271.1 279.9 1.66 5 846 1366 -10.3 -12.7 83 2.4 -10.9 260 21 275.7 276.0 271.5 280.5 1.70 6 738 2414 -13.5 -17.5 72 4.0 -14.5 260 28 283.2 283.4 275.2 287.1 1.31 7 700 2815 -16.3 -20.2 72 3.9 -17.1 260 31 284.4 284.6 275.5 287.7 1.10 8 641 3472 -20.3 -24.2 71 3.9 -21.0 264 33 287.1 287.3 276.5 289.7 0.84 9 552 4564 -26.5 -29.7 74 3.2 -26.9 271 37 292.3 292.4 278.7 294.2 0.59 10 500 5270 -32.3 -35.6 72 3.3 -32.6 275 40 293.7 293.7 279.0 294.9 0.37 11 466 5763 -35.3 -38.8 70 3.5 -35.6 280 42 295.9 296.0 280.0 296.9 0.29 12 400 6810 -42.5 -46.3 66 3.8 -42.7 290 46 299.8 299.8 281.4 300.3 0.15 13 357 7566 -48.5 -52.6 62 4.1 -48.6 288 47 301.6 301.6 282.1 301.9 0.08 14 300 8680 -58.9 -63.1 58 4.2 -58.9 285 48 302.3 302.3 282.4 302.4 0.03 15 298 8722 -59.5 -63.7 58 4.2 -59.6 285 48 302.0 302.1 282.3 302.1 0.02 16 264 9469 -65.3 -69.4 57 4.1 -65.3 289 49 304.2 304.2 283.1 304.3 0.01 17 252 9752 -66.5 -70.4 58 3.9 -66.5 290 50 306.5 306.5 284.0 306.5 0.01 18 250 9800 -66.3 -70.2 58 3.9 -66.3 290 50 307.5 307.5 284.4 307.5 0.01 19 205 11017 -63.5 -67.8 56 4.3 -63.6 290 37 329.9 329.9 291.7 329.9 0.02 20 200 11170 -61.9 -66.1 57 4.2 -62.0 290 35 334.7 334.7 293.0 334.8 0.03 21 188 11555 -59.9 -64.2 57 4.3 -60.0 288 34 343.9 343.9 295.3 344.1 0.04 22 150 12960 -62.3 -67.0 53 4.7 -62.4 280 31 362.8 362.8 299.2 362.9 0.03 23 120 14333 -62.5 -68.5 44 6.0 -62.6 294 31 386.3 386.3 303.2 386.4 0.03 24 100 15450 -64.1 -70.1 44 6.0 -64.2 305 31 403.9 403.9 305.7 404.0 0.03 25 92 15960 -65.7 -71.7 43 6.0 -65.8 310 31 410.5 410.5 306.6 410.6 0.03 26 83 16587 -65.7 -71.7 43 6.0 -65.8 315 32 422.7 422.7 308.0 422.9 0.03 27 70 17620 -67.3 -73.3 42 6.0 -67.4 325 33 440.4 440.4 309.9 440.6 0.03 28 57 18850 -69.1 -75.1 41 6.0 -69.2 313 33 463.0 463.0 312.0 463.1 0.03 29 50 19630 -69.9 -76.9 35 7.0 -70.0 305 33 478.8 478.8 313.4 478.9 0.02 30 32 22269 -73.7 -80.7 33 7.0 -73.8 296 35 533.8 533.8 317.2 533.9 0.02 31 30 22650 -70.7 -77.7 35 7.0 -70.9 295 35 551.9 551.9 318.2 552.1 0.03 32 21 24768 -67.1 -75.1 31 8.0 -67.5 260 50 622.0 622.1 321.6 622.6 0.07 33 20 25060 -68.5 -76.5 31 8.0 -68.8 255 52 626.5 626.5 321.7 626.9 0.06 34 17 26032 -70.3 -78.3 30 8.0 -70.6 251 62 650.5 650.5 322.7 650.9 0.05 35 15 26789 -64.1 -72.1 33 8.0 -64.8 249 70 694.8 694.9 324.3 696.1 0.15 36 12 28150 -66.5 -74.5 32 8.0 -67.2 244 84 732.1 732.2 325.4 733.3 0.13 37 10 29280 -57.0 -65.8 32 8.8 -59.1 240 95 806.7 807.0 327.5 812.2 0.55 38 9.6 29540 -54.9 -63.9 32 9.0 -57.5 824.2 824.6 328.0 831.8 0.74 TRP 252 9752 -66.5 -70.4 58 3.9 -66.5 290 50 306.5 306.5 284.0 306.5 0.01 WND 10 29280 -57.0 -65.8 32 8.8 -59.1 240 95 806.7 807.0 327.5 812.2 0.55 Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 74.02 % Est. max temperature: 1.45 C = 34.60 F Sfc-Lift cond lev (LCL): 951.80 mb = 468.60 m = 1537.39 ft T: -14.32 C 700-500 lapse rate: 6.52 C/km Conv cond level (CCL): 592.68 mb = 4044.52 m = 13269.25 ft Mean mixing ratio: 0.97 g/kg Conv temperature: 17.22 C = 63.00 F Cap Strength: 23.31 C Lifted Index: 23.64 C Risk: None Lifted Index @300 mb: 26.51 C Lifted Index @700 mb: 18.37 C Showalter Index: 11.74 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.40 C K Index: 5.00 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.53 J/kg Max Up Vert Vel: 6.56 m/s Conv Inhibition (B-): 57046.21 J/kg Cap Strength: 23.59 C Lift Cond Lev (LCL): 898.17 mb = 907.95 m = 2978.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 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 1006 51 200 3 1.0 2.8 | 124 23 -19.3 12.9 1 1000 96 210 7 3.5 6.1 | 134 23 -16.8 16.1 2 925 684 250 21 19.7 7.2 | 178 17 -0.5 17.2 3 850 1330 260 21 20.7 3.6 | 182 14 0.4 13.7 4 700 2815 260 31 30.5 5.4 | 214 19 10.2 15.4 5 500 5270 275 40 39.8 -3.5 | 251 21 19.6 6.6 6 400 6810 290 46 43.2 -15.7 | 284 24 22.9 -5.7 7 300 8680 285 48 46.4 -12.4 | 275 26 26.1 -2.4 8 252 9752 290 50 47.0 -17.1 | 285 28 26.7 -7.0 9 250 9800 290 50 47.0 -17.1 | 285 28 26.7 -7.0 10 200 11170 290 35 32.9 -12.0 | 279 13 12.6 -1.9 11 150 12960 280 31 30.5 -5.4 | 245 11 10.2 4.7 12 100 15450 305 31 25.4 -17.8 | 326 9 5.1 -7.7 13 70 17620 325 33 18.9 -27.0 | 5 17 -1.4 -17.0 14 50 19630 305 33 27.0 -18.9 | 323 11 6.8 -8.9 15 30 22650 295 35 31.7 -14.8 | 292 12 11.4 -4.7 16 20 25060 255 52 50.2 13.5 | 232 38 29.9 23.5 17 10 29280 240 95 82.3 47.5 | 227 85 62.0 57.6 Wind Parameters Mean winds (0-6000m): 266.4 at 30.2 knts Storm direction: 296.4 at 22.6 knts Shear (0-3000m) pos: 4.1 neg: 1.2 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 93.4 deg Storm rel helicity (0-3000m) pos: 157.7 neg: 0.0 tot: 157.7 m^2/s^2 ave: 52.6 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 5.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.35 Bulk Shear: 61.97 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 ------------------------------------------------------------------------------- 500 231 12 147 21| 16.1 0.0 16.1| 93.8 0.0 93.8 187.5 0.96| 17.3 16.6 1000 246 16 161 18| 10.0 0.0 10.0|115.0 0.0 115.0 115.0 0.89| 12.0 10.6 1500 251 18 168 16| 7.3 0.0 7.3|121.7 0.0 121.7 81.2 0.86| 9.0 7.7 2000 254 19 174 16| 5.4 0.9 6.3|133.7 0.0 133.7 66.8 0.86| 7.6 6.6 2500 255 21 180 15| 4.4 1.4 5.7|145.7 0.0 145.7 58.3 0.86| 6.8 5.8 3000 257 23 186 15| 4.1 1.2 5.2|157.7 0.0 157.7 52.6 0.86| 6.2 5.3 4000 259 25 197 15| 3.6 0.9 4.5|183.1 0.0 183.1 45.8 0.88| 5.3 4.6 5000 263 28 209 15| 3.3 0.7 4.0|210.6 0.0 210.6 42.1 0.89| 4.8 4.2 6000 266 30 219 15| 3.2 0.6 3.7|251.5 0.0 251.5 41.9 0.90| 4.6 4.2 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251227.12.gif