UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 20 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 ------------------------------------------------------------------------------- 0 1000 121 140 5 SFC 997 144 -7.1 -9.6 82 2.5 -7.8 140 5 266.3 266.6 265.5 271.3 1.85 2 925 727 -9.3 -11.2 86 1.9 -9.8 220 19 269.8 270.1 267.8 274.6 1.75 3 902 922 -10.3 -12.3 85 2.0 -10.8 224 24 270.7 271.0 268.2 275.3 1.65 4 850 1380 -10.9 -13.0 84 2.1 -11.5 235 35 274.7 275.0 270.8 279.4 1.65 5 818 1675 -10.9 -13.0 84 2.1 -11.5 235 36 277.8 278.0 272.7 282.7 1.72 6 700 2857 -17.7 -20.1 81 2.4 -18.2 235 38 282.9 283.1 274.6 286.2 1.11 7 614 3829 -23.5 -26.5 76 3.0 -23.9 239 41 287.0 287.1 276.3 289.2 0.71 8 532 4874 -25.9 -29.4 72 3.5 -26.4 243 45 296.2 296.3 280.6 298.2 0.63 9 500 5320 -29.9 -33.8 69 3.9 -30.3 245 46 296.6 296.7 280.5 298.0 0.44 10 473 5712 -33.1 -37.4 65 4.3 -33.5 245 47 297.4 297.4 280.7 298.5 0.32 11 403 6819 -39.7 -44.6 59 4.9 -40.0 245 50 302.7 302.8 282.7 303.4 0.18 12 400 6870 -40.3 -45.2 59 4.9 -40.6 245 50 302.6 302.6 282.7 303.2 0.17 13 366 7467 -46.7 -52.7 50 6.0 -46.9 245 52 301.9 301.9 282.3 302.2 0.08 14 302 8718 -54.5 -60.5 47 6.0 -54.6 245 58 307.9 307.9 284.6 308.1 0.04 15 300 8760 -55.3 -61.3 47 6.0 -55.4 245 58 307.4 307.4 284.4 307.5 0.03 16 292 8933 -56.8 -62.8 47 6.0 -56.9 250 60 307.7 307.7 284.5 307.8 0.03 17 268 9476 -61.5 -67.5 45 6.0 -61.6 245 58 308.4 308.4 284.8 308.5 0.02 18 264 9570 -61.7 -67.7 45 6.0 -61.7 247 58 309.5 309.5 285.1 309.5 0.02 19 250 9910 -61.3 -67.3 45 6.0 -61.4 255 58 314.9 314.9 287.1 315.0 0.02 20 200 11300 -60.5 -67.5 39 7.0 -60.6 265 58 337.0 337.0 293.6 337.0 0.02 21 150 13100 -57.1 -65.1 36 8.0 -57.3 270 50 371.7 371.7 300.9 371.9 0.04 22 147 13228 -56.3 -64.3 36 8.0 -56.5 271 50 375.2 375.2 301.5 375.5 0.05 23 100 15650 -60.1 -70.1 26 10.0 -60.3 285 46 411.6 411.6 306.7 411.8 0.03 24 80 17041 -61.3 -71.3 25 10.0 -61.6 285 45 436.3 436.3 309.5 436.4 0.03 25 70 17870 -61.9 -72.9 22 11.0 -62.1 285 44 452.0 452.0 311.1 452.1 0.03 26 50 19940 -63.5 -74.5 21 11.0 -63.8 270 42 493.8 493.9 314.5 494.0 0.03 27 46 20452 -63.5 -74.5 21 11.0 -63.8 505.8 505.8 315.4 506.0 0.03 TRP 268 9476 -61.5 -67.5 45 6.0 -61.6 245 58 308.4 308.4 284.8 308.5 0.02 WND 292 8933 -56.8 -62.8 47 6.0 -56.9 250 60 307.7 307.7 284.5 307.8 0.03 Sounding variables and indices 1000-500 mb thick: 5199.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 79.76 % Est. max temperature: 1.62 C = 34.91 F Sfc-Lift cond lev (LCL): 958.03 mb = 454.32 m = 1490.52 ft T: -8.27 C 700-500 lapse rate: 4.95 C/km Conv cond level (CCL): 773.75 mb = 2096.97 m = 6879.75 ft Mean mixing ratio: 1.77 g/kg Conv temperature: 6.21 C = 43.18 F Cap Strength: 19.20 C Lifted Index: 19.12 C Risk: None Lifted Index @300 mb: 23.99 C Lifted Index @700 mb: 9.94 C Showalter Index: 14.49 C Risk: None Total Totals Index: 35.90 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 16.90 C K Index: 3.60 Risk: None Sweat Index: 162.71 Risk: None Energy Index: 3.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.87 J/kg Max Up Vert Vel: 5.45 m/s Conv Inhibition (B-): 33835.10 J/kg Cap Strength: 19.18 C Lift Cond Lev (LCL): 913.68 mb = 822.32 m = 2697.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 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 ---------------------------------------------------------- 0 997 144 140 5 -3.2 3.8 | 96 31 -30.9 3.0 1 925 727 220 19 12.2 14.6 | 131 21 -15.5 13.7 2 850 1380 235 35 28.7 20.1 | 183 19 0.9 19.3 3 700 2857 235 38 31.1 21.8 | 189 21 3.4 21.0 4 500 5320 245 46 41.7 19.4 | 217 23 14.0 18.6 5 400 6870 245 50 45.3 21.1 | 221 27 17.6 20.3 6 300 8760 245 58 52.6 24.5 | 226 34 24.8 23.7 7 292 8933 250 60 56.4 20.5 | 235 35 28.6 19.7 8 268 9476 245 58 52.6 24.5 | 226 34 24.8 23.7 9 250 9910 255 58 56.0 15.0 | 243 32 28.3 14.2 10 200 11300 265 58 57.8 5.1 | 262 30 30.0 4.2 11 150 13100 270 50 50.0 -0.0 | 272 22 22.3 -0.8 12 100 15650 285 46 44.4 -11.9 | 307 21 16.7 -12.7 13 70 17870 285 44 42.5 -11.4 | 310 19 14.8 -12.2 14 50 19940 270 42 42.0 -0.0 | 273 14 14.3 -0.8 Wind Parameters Mean winds (0-6000m): 238.3 at 37.0 knts Storm direction: 268.3 at 27.7 knts Shear (0-3000m) pos: 6.5 neg: 0.3 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 241.4 neg: 0.0 tot: 241.4 m^2/s^2 ave: 80.5 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 6.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.14 Bulk Shear: 109.20 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 ------------------------------------------------------------------------------- 500 203 11 112 25| 16.4 0.0 16.4|120.2 0.0 120.2 240.4 0.86| 18.5 15.9 1000 218 17 126 21| 15.2 0.0 15.2|189.8 0.0 189.8 189.8 0.87| 17.0 14.7 1500 227 23 142 18| 12.5 0.0 12.5|224.6 0.0 224.6 149.8 0.89| 13.7 12.2 2000 230 26 153 18| 9.3 0.3 9.6|228.7 0.0 228.7 114.4 0.88| 10.6 9.3 2500 231 28 161 18| 7.5 0.4 7.9|232.8 0.0 232.8 93.1 0.88| 8.7 7.6 3000 232 30 167 18| 6.5 0.3 6.8|241.4 0.0 241.4 80.5 0.88| 7.5 6.6 4000 234 33 176 18| 5.3 0.3 5.6|266.0 0.0 266.0 66.5 0.89| 6.2 5.5 5000 236 35 184 19| 4.6 0.2 4.8|291.9 0.0 291.9 58.4 0.90| 5.4 4.9 6000 238 37 191 19| 4.0 0.3 4.3|302.9 0.0 302.9 50.5 0.88| 4.8 4.2 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251220.12.gif