UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122800.upa.cvt Date: 0000Z 28 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 28 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 1007 47 -16.3 -19.1 79 2.8 -16.7 135 3 256.3 256.5 255.9 258.6 0.84 1 1000 100 -15.1 -18.9 73 3.8 -15.7 160 7 258.0 258.2 257.4 260.4 0.86 2 975 292 -14.1 -17.8 74 3.7 -14.8 186 15 260.9 261.1 259.9 263.6 0.97 3 925 698 -7.7 -11.6 74 3.9 -8.8 240 33 271.4 271.7 268.8 276.2 1.70 4 909 833 -8.1 -12.7 69 4.6 -9.4 241 33 272.4 272.6 269.2 276.8 1.58 5 850 1349 -12.9 -17.5 68 4.6 -13.9 245 35 272.6 272.8 268.6 275.9 1.14 6 719 2622 -13.9 -21.9 51 8.0 -15.6 245 36 284.9 285.1 275.5 287.7 0.92 7 700 2825 -15.3 -23.3 50 8.0 -16.9 245 36 285.5 285.7 275.7 288.1 0.84 8 698 2847 -15.3 -23.3 50 8.0 -16.9 245 36 285.8 285.9 275.8 288.3 0.84 9 617 3762 -23.1 -28.1 64 5.0 -23.8 245 41 287.1 287.2 276.2 289.0 0.61 10 597 4003 -23.3 -27.8 67 4.5 -24.0 245 42 289.6 289.7 277.4 291.6 0.65 11 500 5280 -30.3 -38.3 46 8.0 -31.0 245 48 296.1 296.1 280.0 297.0 0.28 12 496 5337 -31.1 -39.1 45 8.0 -31.8 245 48 295.8 295.8 279.8 296.7 0.26 13 445 6098 -35.5 -41.5 54 6.0 -36.0 248 45 299.6 299.6 281.5 300.4 0.23 14 400 6830 -41.5 -46.5 58 5.0 -41.8 250 42 301.1 301.1 282.0 301.6 0.15 15 391 6984 -43.3 -48.3 58 5.0 -43.5 250 42 300.7 300.7 281.8 301.1 0.12 16 300 8720 -56.3 -61.2 54 4.9 -56.4 250 40 306.0 306.0 283.8 306.1 0.03 17 298 8762 -57.1 -62.1 53 5.0 -57.2 250 40 305.4 305.4 283.6 305.6 0.03 18 250 9850 -64.5 -69.4 51 4.9 -64.6 245 36 310.2 310.2 285.4 310.2 0.01 19 222 10574 -69.3 -74.1 50 4.8 -69.3 255 38 313.5 313.5 286.6 313.5 0.01 20 200 11210 -64.5 -69.4 51 4.9 -64.6 265 35 330.6 330.6 291.9 330.7 0.02 21 185 11688 -60.5 -65.5 52 5.0 -60.6 262 34 344.6 344.6 295.4 344.7 0.03 22 150 12990 -59.9 -64.9 52 5.0 -60.0 255 31 366.9 366.9 300.0 367.1 0.04 23 146 13158 -59.1 -64.1 52 5.0 -59.2 258 31 371.1 371.1 300.8 371.3 0.05 24 100 15520 -59.3 -66.3 40 7.0 -59.5 300 35 413.2 413.2 306.9 413.4 0.05 25 93 15975 -60.5 -67.5 39 7.0 -60.7 301 36 419.4 419.5 307.7 419.7 0.05 26 77 17140 -65.7 -73.7 32 8.0 -65.8 304 39 431.9 431.9 309.0 432.0 0.02 27 70 17720 -66.1 -74.1 32 8.0 -66.2 305 40 443.0 443.0 310.2 443.1 0.02 28 53 19392 -66.7 -74.7 32 8.0 -66.9 297 37 478.3 478.3 313.3 478.4 0.03 29 50 19740 -68.5 -77.5 26 9.0 -68.7 295 36 482.1 482.1 313.6 482.2 0.02 30 31 22578 -74.3 -83.3 24 9.0 -74.4 300 49 537.0 537.0 317.3 537.1 0.01 31 30 22770 -74.1 -83.1 24 9.0 -74.2 300 50 542.6 542.6 317.7 542.7 0.01 32 21 24869 -67.5 -77.5 23 10.0 -67.9 274 46 620.8 620.8 321.5 621.2 0.05 33 20 25160 -69.1 -79.1 22 10.0 -69.4 270 46 624.7 624.7 321.7 624.9 0.04 34 15 26871 -71.1 -80.1 25 9.0 -71.4 671.6 671.6 323.5 671.9 0.04 35 14 27285 -65.9 -75.9 24 10.0 -66.6 702.6 702.6 324.6 703.4 0.09 TRP 222 10574 -69.3 -74.1 50 4.8 -69.3 255 38 313.5 313.5 286.6 313.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5180.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 60.98 % Est. max temperature: 0.00 C = 32.00 F Sfc-Lift cond lev (LCL): 961.93 mb = 396.35 m = 1300.34 ft T: -12.46 C 700-500 lapse rate: 6.11 C/km ThetaE index: 0.94 C Layer 850.0- 719.0 mb Conv cond level (CCL): 1000.00 mb = 100.00 m = 328.08 ft Mean mixing ratio: 1.25 g/kg Conv temperature: -13.86 C = 7.05 F Cap Strength: 18.63 C Lifted Index: 22.77 C Risk: None Lifted Index @300 mb: 26.59 C Lifted Index @700 mb: 16.44 C Showalter Index: 16.85 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 12.80 C K Index: -8.10 Risk: None Sweat Index: 118.00 Risk: None Energy Index: 4.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.17 J/kg Max Up Vert Vel: 10.60 m/s Conv Inhibition (B-): 61167.73 J/kg Cap Strength: 22.59 C Lift Cond Lev (LCL): 904.41 mb = 872.32 m = 2861.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 at 28 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 1007 47 135 3 -2.1 2.1 | 98 31 -30.3 4.2 1 1000 100 160 7 -2.4 6.6 | 106 32 -30.6 8.6 2 925 698 240 33 28.6 16.5 | 181 19 0.4 18.6 3 850 1349 245 35 31.7 14.8 | 192 17 3.5 16.8 4 700 2825 245 36 32.6 15.2 | 194 18 4.4 17.3 5 500 5280 245 48 43.5 20.3 | 214 27 15.3 22.3 6 400 6830 250 42 39.5 14.4 | 214 20 11.3 16.4 7 300 8720 250 40 37.6 13.7 | 211 18 9.4 15.7 8 250 9850 245 36 32.6 15.2 | 194 18 4.4 17.3 9 222 10574 255 38 36.7 9.8 | 216 15 8.5 11.9 10 200 11210 265 35 34.9 3.1 | 232 8 6.6 5.1 11 150 12990 255 31 29.9 8.0 | 190 10 1.7 10.1 12 100 15520 300 35 30.3 -17.5 | 352 16 2.1 -15.4 13 70 17720 305 40 32.8 -22.9 | 348 21 4.5 -20.9 14 50 19740 295 36 32.6 -15.2 | 341 14 4.4 -13.2 15 30 22770 300 50 43.3 -25.0 | 327 27 15.1 -22.9 16 20 25160 270 46 46.0 -0.0 | 263 18 17.8 2.1 Wind Parameters Mean winds (0-6000m): 244.2 at 37.7 knts Storm direction: 274.2 at 28.3 knts Shear (0-3000m) pos: 6.2 neg: 0.3 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 99.1 deg Storm rel helicity (0-3000m) pos: 314.5 neg: 0.0 tot: 314.5 m^2/s^2 ave: 104.8 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 7.6 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 0.58 Bulk Shear: 97.50 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 ------------------------------------------------------------------------------- 500 207 15 127 27| 27.1 0.0 27.1|231.7 0.0 231.7 463.5 0.94| 31.8 30.0 1000 235 24 151 18| 18.1 0.0 18.1|299.6 0.0 299.6 299.6 0.92| 23.2 21.3 1500 239 27 164 17| 12.4 0.0 12.4|307.4 0.0 307.4 204.9 0.92| 16.1 14.8 2000 241 29 171 17| 9.3 0.1 9.4|308.6 0.0 308.6 154.3 0.92| 12.2 11.2 2500 242 31 176 17| 7.5 0.1 7.6|309.8 0.0 309.8 123.9 0.92| 9.8 9.0 3000 242 32 179 17| 6.2 0.3 6.6|314.5 0.0 314.5 104.8 0.91| 8.4 7.6 4000 243 34 186 17| 4.7 0.9 5.5|332.3 0.0 332.3 83.1 0.89| 6.9 6.2 5000 244 36 192 18| 3.7 1.2 4.9|350.1 0.0 350.1 70.0 0.86| 6.0 5.2 6000 244 38 197 19| 3.0 1.0 4.0|355.3 0.0 355.3 59.2 0.82| 5.4 4.4 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251228.00.gif