UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122300.upa.cvt Date: 0000Z 23 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 23 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 1005 53 -5.3 -7.6 84 2.3 -6.0 180 7 267.5 267.8 266.8 273.3 2.14 1 1000 92 -5.9 -8.8 80 2.9 -6.8 180 9 267.2 267.6 266.4 272.6 1.96 2 986 203 -7.1 -10.0 80 2.9 -7.9 189 12 267.1 267.4 266.0 272.0 1.81 3 925 702 -7.9 -10.8 80 2.9 -8.7 230 23 271.2 271.5 268.8 276.2 1.81 4 850 1355 -9.9 -12.8 79 2.9 -10.7 240 23 275.8 276.1 271.5 280.5 1.68 5 827 1567 -8.7 -10.7 85 2.0 -9.3 239 24 279.2 279.6 274.0 285.0 2.04 6 779 2030 -9.5 -11.7 84 2.2 -10.2 238 27 283.2 283.5 276.1 289.0 2.00 7 700 2850 -13.9 -16.8 79 2.9 -14.6 235 33 287.1 287.3 277.4 291.5 1.46 8 678 3092 -15.5 -18.4 78 2.9 -16.2 236 33 287.9 288.2 277.6 291.9 1.32 9 539 4790 -25.1 -27.9 77 2.8 -25.5 243 37 296.0 296.1 280.6 298.3 0.71 10 500 5330 -29.7 -32.6 76 2.9 -30.0 245 38 296.8 296.9 280.7 298.5 0.49 11 458 5947 -35.3 -38.4 73 3.1 -35.5 249 46 297.4 297.4 280.6 298.4 0.30 12 438 6257 -36.1 -39.7 69 3.6 -36.4 251 50 300.2 300.2 281.8 301.1 0.28 13 400 6880 -40.9 -46.9 52 6.0 -41.2 255 58 301.8 301.9 282.3 302.3 0.14 14 387 7104 -42.7 -48.9 50 6.3 -42.9 255 62 302.4 302.4 282.5 302.8 0.12 15 356 7662 -47.1 -54.1 45 7.0 -47.3 303.7 303.7 283.0 304.0 0.07 TRP WND 387 7104 -42.7 -48.9 50 6.3 -42.9 255 62 302.4 302.4 282.5 302.8 0.12 Sounding variables and indices 1000-500 mb thick: 5238.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 79.49 % Est. max temperature: 2.70 C = 36.86 F Sfc-Lift cond lev (LCL): 968.95 mb = 339.02 m = 1112.27 ft T: -7.32 C 700-500 lapse rate: 6.37 C/km ThetaE index: 1.21 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 695.53 mb = 2898.45 m = 9509.23 ft Mean mixing ratio: 1.83 g/kg Conv temperature: 14.52 C = 58.13 F Cap Strength: 18.53 C Lifted Index: 18.68 C Risk: None Lifted Index @700 mb: 13.09 C Showalter Index: 13.82 C Risk: None Total Totals Index: 36.70 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 16.90 C K Index: 4.10 Risk: None Sweat Index: 119.89 Risk: None Energy Index: 3.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.66 J/kg Max Up Vert Vel: 5.60 m/s Conv Inhibition (B-): 4141.36 J/kg Cap Strength: 18.67 C Lift Cond Lev (LCL): 910.44 mb = 824.56 m = 2705.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 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 1005 53 180 7 0.0 7.0 | 106 24 -23.4 6.7 1 1000 92 180 9 0.0 9.0 | 110 25 -23.4 8.7 2 925 702 230 23 17.6 14.8 | 158 16 -5.7 14.5 3 850 1355 240 23 19.9 11.5 | 163 12 -3.4 11.2 4 700 2850 235 33 27.0 18.9 | 191 19 3.7 18.6 5 500 5330 245 38 34.4 16.1 | 215 19 11.1 15.8 6 400 6880 255 58 56.0 15.0 | 246 36 32.7 14.7 Wind Parameters Mean winds (0-6000m): 239.3 at 31.1 knts Storm direction: 269.3 at 23.4 knts Shear (0-3000m) pos: 3.7 neg: 1.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 87.1 deg Storm rel helicity (0-3000m) pos: 142.6 neg: 0.0 tot: 142.6 m^2/s^2 ave: 47.5 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 59.65 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 ------------------------------------------------------------------------------- 500 205 14 125 21| 15.1 0.0 15.1| 87.8 0.0 87.8 175.6 0.91| 16.5 15.1 1000 223 18 140 17| 10.2 0.0 10.2|110.9 0.0 110.9 110.9 0.83| 12.3 10.2 1500 229 20 147 15| 7.4 0.0 7.4|116.2 0.0 116.2 77.5 0.79| 9.3 7.4 2000 232 21 153 14| 5.6 0.9 6.4|125.6 0.0 125.6 62.8 0.79| 7.8 6.2 2500 233 23 160 14| 4.4 1.4 5.9|134.5 0.0 134.5 53.8 0.77| 7.0 5.4 3000 234 25 166 15| 3.7 1.6 5.3|142.6 0.0 142.6 47.5 0.76| 6.3 4.8 4000 235 27 175 15| 3.1 1.2 4.3|158.4 0.0 158.4 39.6 0.78| 5.1 4.0 5000 237 29 184 16| 2.8 1.0 3.7|174.8 0.0 174.8 35.0 0.80| 4.4 3.5 6000 239 31 192 16| 3.2 0.8 4.0|220.4 0.0 220.4 36.7 0.78| 4.6 3.6 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251223.00.gif