UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 22 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 143 -8.5 -13.5 67 5.0 -9.7 230 7 264.1 264.3 263.0 267.8 1.34 1 1000 197 -9.1 -14.1 67 5.0 -10.3 230 9 264.0 264.3 262.9 267.5 1.28 2 985 314 -9.1 -14.1 67 5.0 -10.3 233 11 265.2 265.4 263.7 268.8 1.30 3 925 796 -12.1 -16.2 71 4.1 -13.0 245 19 266.9 267.1 264.7 270.2 1.16 4 870 1261 -16.3 -19.6 76 3.3 -16.9 256 25 267.3 267.4 264.6 269.9 0.93 5 850 1437 -15.3 -18.6 76 3.3 -16.0 260 27 270.1 270.3 266.7 273.1 1.04 6 838 1545 -12.5 -15.3 80 2.8 -13.2 261 28 274.2 274.4 270.0 278.1 1.39 7 805 1852 -11.9 -14.9 78 3.0 -12.6 266 31 278.0 278.2 272.5 282.3 1.49 8 704 2866 -17.3 -19.6 82 2.3 -17.8 279 42 282.9 283.1 274.7 286.3 1.15 9 700 2909 -17.3 -19.6 82 2.3 -17.8 280 42 283.3 283.5 275.0 286.8 1.15 10 664 3304 -16.5 -19.0 81 2.5 -17.1 280 45 288.5 288.8 277.9 292.4 1.28 11 526 5017 -25.9 -29.3 73 3.4 -26.4 280 61 297.1 297.2 281.0 299.2 0.64 12 514 5183 -28.5 -32.5 68 4.0 -29.0 280 62 295.9 296.0 280.3 297.5 0.48 13 500 5380 -28.9 -33.0 68 4.1 -29.4 280 64 297.8 297.9 281.1 299.4 0.47 14 481 5656 -31.1 -35.4 66 4.3 -31.5 280 66 298.4 298.5 281.2 299.8 0.39 15 446 6187 -35.3 -40.1 61 4.8 -35.7 299.6 299.7 281.5 300.5 0.26 TRP WND 481 5656 -31.1 -35.4 66 4.3 -31.5 280 66 298.4 298.5 281.2 299.8 0.39 Sounding variables and indices 1000-500 mb thick: 5183.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 76.23 % Est. max temperature: -3.50 C = 25.71 F Sfc-Lift cond lev (LCL): 929.51 mb = 758.65 m = 2488.96 ft T: -11.87 C 700-500 lapse rate: 4.69 C/km ThetaE index: 0.27 C Layer 870.0- 850.0 mb Conv cond level (CCL): 597.83 mb = 4075.75 m = 13371.73 ft Mean mixing ratio: 1.23 g/kg Conv temperature: 19.86 C = 67.74 F Cap Strength: 23.39 C Lifted Index: 23.55 C Risk: None Lifted Index @700 mb: 13.79 C Showalter Index: 20.53 C Risk: None Total Totals Index: 23.90 C Risk: None Vertical Totals Index: 13.60 C Cross Totals Index: 10.30 C K Index: -7.30 Risk: None Sweat Index: 118.00 Risk: None Energy Index: 5.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.16 J/kg Max Up Vert Vel: 4.28 m/s Conv Inhibition (B-): 3335.48 J/kg Cap Strength: 23.28 C Lift Cond Lev (LCL): 888.48 mb = 1101.84 m = 3614.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 30 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 143 230 7 5.4 4.5 | 138 29 -19.0 21.4 1 1000 197 230 9 6.9 5.8 | 142 29 -17.4 22.6 2 925 796 245 19 17.2 8.0 | 164 26 -7.1 24.9 3 850 1437 260 27 26.6 4.7 | 186 22 2.3 21.6 4 700 2909 280 42 41.4 -7.3 | 241 20 17.0 9.6 5 500 5380 280 64 63.0 -11.1 | 262 39 38.7 5.7 Wind Parameters Mean winds (0-6000m): 274.7 at 39.5 knts Storm direction: 304.7 at 29.6 knts Shear (0-3000m) pos: 6.8 neg: 0.0 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 105.8 deg Storm rel helicity (0-3000m) pos: 254.2 neg: 0.0 tot: 254.2 m^2/s^2 ave: 84.7 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 7.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 125.26 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 ------------------------------------------------------------------------------- 500 237 12 149 27| 10.0 0.0 10.0| 70.9 0.0 70.9 141.7 0.98| 10.1 9.9 1000 244 16 158 26| 8.8 0.0 8.8|121.1 0.0 121.1 121.1 0.96| 9.2 8.8 1500 251 20 166 24| 8.1 0.0 8.1|160.5 0.0 160.5 107.0 0.95| 8.6 8.2 2000 256 22 174 22| 7.5 0.0 7.5|193.8 0.0 193.8 96.9 0.95| 8.1 7.7 2500 262 25 182 20| 7.2 0.0 7.2|228.2 0.0 228.2 91.3 0.96| 7.9 7.6 3000 266 28 191 19| 6.8 0.0 6.8|254.2 0.0 254.2 84.7 0.95| 7.5 7.2 4000 271 33 209 18| 5.1 1.1 6.3|283.4 0.0 283.4 70.8 0.87| 6.8 5.9 5000 274 38 224 20| 4.1 1.8 5.9|312.5 0.0 312.5 62.5 0.80| 6.4 5.1 6000 NO DATA | 4.1 1.8 5.9| | Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251222.12.gif