UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112800.upa.cvt Date: 0000Z 28 NOV 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 28 NOV 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1004 10 -3.7 -4.6 93 0.9 -4.0 180 25 269.1 269.6 268.9 276.4 2.70 1 1000 41 -4.1 -6.2 85 2.1 -4.8 185 27 269.0 269.4 268.4 275.5 2.40 2 925 650 -8.5 -10.6 85 2.1 -9.1 220 35 270.6 270.9 268.5 275.7 1.84 3 908 794 -9.5 -11.6 85 2.1 -10.1 219 34 271.0 271.3 268.5 275.8 1.73 4 897 888 -7.7 -9.7 86 2.0 -8.3 218 34 273.8 274.2 270.8 279.5 2.04 5 896 897 -7.7 -9.7 86 2.0 -8.3 218 33 273.9 274.3 270.9 279.6 2.04 6 850 1306 -8.5 -14.5 62 6.0 -10.1 215 31 277.2 277.5 272.0 281.4 1.46 7 820 1584 -9.1 -16.1 57 7.0 -10.9 217 31 279.5 279.7 273.1 283.3 1.33 8 758 2188 -12.5 -17.2 68 4.7 -13.6 221 31 282.1 282.4 274.6 286.0 1.31 9 700 2793 -15.1 -23.1 50 8.0 -16.7 225 31 285.8 285.9 275.8 288.4 0.85 10 665 3179 -16.7 -26.7 42 10.0 -18.5 220 33 288.2 288.3 276.7 290.2 0.65 11 637 3501 -18.3 -28.3 41 10.0 -20.0 215 35 289.9 290.0 277.6 291.8 0.58 12 500 5260 -31.9 -42.9 33 11.0 -32.7 190 46 294.1 294.2 279.0 294.7 0.17 13 432 6277 -39.5 -51.5 27 12.0 -40.0 297.0 297.1 280.1 297.3 0.08 TRP WND Sounding variables and indices 1000-500 mb thick: 5219.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 55.10 % Est. max temperature: 4.11 C = 39.40 F Sfc-Lift cond lev (LCL): 989.67 mb = 122.10 m = 400.58 ft T: -4.69 C 700-500 lapse rate: 6.81 C/km ThetaE index: 0.87 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 910.12 mb = 775.47 m = 2544.17 ft Mean mixing ratio: 2.06 g/kg Conv temperature: -1.87 C = 28.64 F Cap Strength: 13.61 C Lifted Index: 15.42 C Risk: None Lifted Index @700 mb: 10.84 C Showalter Index: 10.91 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 17.40 C K Index: 0.90 Risk: None Sweat Index: 108.00 Risk: None Energy Index: 2.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.12 J/kg Max Up Vert Vel: 3.50 m/s Conv Inhibition (B-): 2548.94 J/kg Cap Strength: 15.35 C Lift Cond Lev (LCL): 923.03 mb = 666.49 m = 2186.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 240 at 26 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 1004 10 180 25 0.0 25.0 | 118 25 -22.5 11.8 1 1000 41 185 27 2.4 26.9 | 124 24 -20.2 13.7 2 925 650 220 35 22.5 26.8 | 180 14 -0.0 13.6 3 850 1306 215 31 17.8 25.4 | 159 13 -4.8 12.2 4 700 2793 225 31 21.9 21.9 | 176 9 -0.6 8.7 5 500 5260 190 46 8.0 45.3 | 156 35 -14.6 32.1 Wind Parameters Mean winds (0-6000m): 209.7 at 34.8 knts Storm direction: 239.7 at 26.1 knts Shear (0-3000m) pos: 3.9 neg: 0.2 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 57.4 deg Storm rel helicity (0-3000m) pos: 110.6 neg: -15.9 tot: 94.7 m^2/s^2 ave: 31.6 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.75 Bulk Shear: 8.15 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 ------------------------------------------------------------------------------- 500 199 30 139 20| 18.3 0.0 18.3| 85.1 0.0 85.1 170.3 0.85| 18.9 16.0 1000 210 32 155 16| 10.2 0.0 10.2|101.4 -7.9 93.5 93.5 0.69| 13.1 9.0 1500 212 32 157 15| 6.8 0.6 7.5|102.8 -15.5 87.3 58.2 0.56| 9.7 5.4 2000 213 32 159 14| 5.5 0.5 6.0|106.0 -15.5 90.5 45.2 0.56| 7.8 4.3 2500 215 31 160 13| 4.7 0.4 5.1|109.0 -15.5 93.5 37.4 0.56| 6.6 3.7 3000 216 31 162 13| 3.9 0.2 4.1|110.6 -15.9 94.7 31.6 0.53| 6.0 3.2 4000 216 32 165 14| 2.9 1.4 4.4|110.6 -25.7 84.9 21.2 0.36| 5.9 2.1 5000 211 34 164 17| 2.3 2.4 4.7|110.6 -57.2 53.4 10.7 0.21| 5.9 1.2 6000 NO DATA | 2.3 2.4 4.7| | Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251128.00.gif