UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 29 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 ------------------------------------------------------------------------------- 0 1000 -12 135 7 SFC 992 50 -8.7 -9.8 92 1.1 -9.0 135 7 265.1 265.4 264.6 270.0 1.83 2 925 590 -10.9 -14.0 78 3.1 -11.6 205 19 268.2 268.4 266.0 272.0 1.40 3 895 844 -11.9 -15.0 78 3.1 -12.6 205 24 269.7 269.9 267.0 273.4 1.33 4 850 1242 -9.1 -11.8 81 2.7 -9.9 205 31 276.6 276.9 272.2 281.8 1.82 5 831 1417 -6.7 -8.8 85 2.1 -7.4 205 34 280.9 281.3 275.5 287.7 2.36 6 732 2401 -8.7 -11.7 79 3.0 -9.6 205 50 289.1 289.5 279.3 295.5 2.13 7 700 2745 -10.7 -13.9 77 3.2 -11.6 205 56 290.6 291.0 279.7 296.2 1.86 8 613 3754 -16.3 -19.6 76 3.3 -17.1 207 60 295.4 295.7 281.1 299.5 1.32 9 527 4871 -25.1 -29.0 70 3.9 -25.7 209 64 297.9 298.0 281.4 300.1 0.66 10 500 5250 -29.3 -33.3 68 4.0 -29.7 210 66 297.3 297.4 280.8 298.8 0.46 11 441 6128 -38.1 -42.3 65 4.2 -38.4 210 69 297.1 297.1 280.4 297.8 0.21 12 400 6790 -43.3 -47.3 65 4.0 -43.5 210 71 298.7 298.7 281.0 299.2 0.13 13 340 7866 -52.1 -56.1 62 4.0 -52.2 221 74 300.9 301.0 281.8 301.2 0.06 14 315 8354 -58.9 -63.0 59 4.1 -58.9 227 76 298.1 298.1 280.6 298.2 0.03 15 300 8660 -59.3 -63.5 58 4.2 -59.3 230 77 301.8 301.8 282.1 301.8 0.02 16 292 8829 -60.1 -64.2 59 4.1 -60.2 240 97 303.0 303.0 282.6 303.0 0.02 17 280 9091 -59.8 -64.0 58 4.2 -59.9 245 101 307.0 307.0 284.2 307.1 0.03 18 250 9800 -59.1 -63.4 57 4.3 -59.2 245 71 318.2 318.2 288.2 318.3 0.03 19 200 11200 -59.1 -63.8 54 4.7 -59.2 250 58 339.2 339.2 294.1 339.3 0.04 20 156 12764 -59.5 -64.5 52 5.0 -59.6 254 58 363.5 363.5 299.4 363.7 0.04 21 150 13010 -59.5 -64.5 52 5.0 -59.6 255 58 367.6 367.6 300.2 367.8 0.04 22 100 15550 -58.9 -65.9 40 7.0 -59.1 250 58 413.9 413.9 307.0 414.2 0.05 23 93 16004 -59.7 -67.7 35 8.0 -59.9 249 59 421.0 421.0 307.9 421.3 0.05 24 70 17760 -64.1 -72.1 33 8.0 -64.3 245 64 447.3 447.3 310.6 447.4 0.03 25 67 18027 -65.7 -73.7 32 8.0 -65.8 245 65 449.4 449.4 310.8 449.6 0.03 26 62 18500 -63.1 -72.1 29 9.0 -63.3 245 67 465.3 465.3 312.3 465.5 0.04 27 50 19810 -66.7 -75.7 27 9.0 -66.9 245 73 486.3 486.3 314.0 486.5 0.03 28 32 22518 -65.3 -74.3 28 9.0 -65.6 556.3 556.3 318.5 556.6 0.05 TRP 292 8829 -60.1 -64.2 59 4.1 -60.2 240 97 303.0 303.0 282.6 303.0 0.02 WND 280 9091 -59.8 -64.0 58 4.2 -59.9 245 101 307.0 307.0 284.2 307.1 0.03 Sounding variables and indices 1000-500 mb thick: 5262.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 77.52 % Est. max temperature: 4.63 C = 40.33 F Sfc-Lift cond lev (LCL): 974.55 mb = 187.27 m = 614.40 ft T: -9.26 C 700-500 lapse rate: 7.43 C/km Conv cond level (CCL): 592.34 mb = 4007.33 m = 13147.24 ft Mean mixing ratio: 1.53 g/kg Conv temperature: 22.20 C = 71.96 F Cap Strength: 22.17 C Lifted Index: 21.28 C Risk: None Lifted Index @300 mb: 21.36 C Lifted Index @700 mb: 18.46 C Showalter Index: 13.22 C Risk: None Total Totals Index: 37.70 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 17.50 C K Index: 5.20 Risk: None Sweat Index: 163.89 Risk: None Energy Index: 3.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.56 J/kg Max Up Vert Vel: 5.76 m/s Conv Inhibition (B-): 43698.77 J/kg Cap Strength: 22.11 C Lift Cond Lev (LCL): 905.47 mb = 754.19 m = 2474.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 37 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 ---------------------------------------------------------- 0 992 50 135 7 -4.9 4.9 | 67 39 -36.1 -15.3 1 925 590 205 19 8.0 17.2 | 83 23 -23.1 -3.0 2 850 1242 205 31 13.1 28.1 | 114 20 -18.1 7.9 3 700 2745 205 56 23.7 50.8 | 166 31 -7.5 30.5 4 500 5250 210 66 33.0 57.2 | 183 37 1.8 36.9 5 400 6790 210 71 35.5 61.5 | 186 41 4.3 41.3 6 300 8660 230 77 59.0 49.5 | 224 40 27.8 29.3 7 292 8829 240 97 84.0 48.5 | 242 60 52.8 28.3 8 280 9091 245 101 91.5 42.7 | 250 64 60.4 22.5 9 250 9800 245 71 64.3 30.0 | 254 35 33.2 9.8 10 200 11200 250 58 54.5 19.8 | 271 23 23.3 -0.4 11 150 13010 255 58 56.0 15.0 | 282 25 24.9 -5.2 12 100 15550 250 58 54.5 19.8 | 271 23 23.3 -0.4 13 70 17760 245 64 58.0 27.0 | 256 28 26.8 6.8 14 50 19810 245 73 66.2 30.9 | 253 37 35.0 10.6 Wind Parameters Mean winds (0-6000m): 207.0 at 49.5 knts Storm direction: 237.0 at 37.2 knts Shear (0-3000m) pos: 5.2 neg: 4.3 tot: 9.5 10-3/s Storm rel Dir Shear (0-3000m): 101.3 deg Storm rel helicity (0-3000m) pos: 293.0 neg: 0.0 tot: 293.0 m^2/s^2 ave: 97.7 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 7.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.09 Bulk Shear: 192.23 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 ------------------------------------------------------------------------------- 500 186 13 75 31| 16.9 0.0 16.9| 89.7 0.0 89.7 179.4 0.53| 18.6 9.9 1000 199 18 82 26| 13.3 0.0 13.3|134.0 0.0 134.0 134.0 0.62| 14.5 8.9 1500 202 22 91 23| 8.9 3.0 11.9|179.1 0.0 179.1 119.4 0.71| 12.6 8.9 2000 203 27 102 21| 6.7 4.4 11.0|222.4 0.0 222.4 111.2 0.74| 11.6 8.6 2500 204 31 114 20| 5.3 5.2 10.5|265.8 0.0 265.8 106.3 0.75| 11.0 8.2 3000 204 35 125 21| 5.2 4.3 9.5|293.0 0.0 293.0 97.7 0.74| 9.9 7.4 4000 205 41 141 22| 4.5 3.3 7.7|327.7 0.0 327.7 81.9 0.75| 8.0 6.1 5000 206 46 152 24| 4.0 2.6 6.6|364.1 0.0 364.1 72.8 0.76| 6.9 5.3 6000 207 50 160 25| 3.5 2.3 5.8|383.3 0.0 383.3 63.9 0.75| 6.1 4.5 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251229.12.gif