UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 26 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 58 SFC 989 144 -7.1 -9.3 84 2.2 -7.7 230 3 266.9 267.2 266.1 272.1 1.91 2 925 664 -9.5 -11.4 86 1.9 -10.0 250 19 269.6 269.9 267.6 274.4 1.73 3 885 1005 -10.9 -12.9 85 2.0 -11.4 247 25 271.6 271.8 268.7 276.0 1.60 4 850 1313 -13.5 -15.4 86 1.9 -13.9 245 31 272.0 272.2 268.5 275.8 1.36 5 700 2763 -23.1 -25.8 78 2.7 -23.5 235 48 276.9 277.0 270.5 278.9 0.67 6 660 3191 -26.1 -28.7 79 2.6 -26.4 235 54 278.2 278.3 271.1 279.9 0.54 7 640 3413 -27.7 -31.4 71 3.7 -28.1 235 58 278.9 278.9 271.2 280.2 0.43 8 582 4095 -28.5 -40.5 31 12.0 -29.5 235 68 285.6 285.6 274.7 286.2 0.19 9 500 5170 -34.3 -46.3 29 12.0 -35.0 235 85 291.2 291.2 277.4 291.6 0.12 10 442 6023 -38.3 -49.3 31 11.0 -38.8 235 91 296.6 296.6 280.0 297.0 0.10 11 400 6700 -44.1 -55.1 28 11.0 -44.5 235 95 297.7 297.7 280.4 297.9 0.05 12 376 7112 -46.9 -57.9 27 11.0 -47.1 235 94 299.3 299.3 281.1 299.4 0.04 13 321 8151 -50.3 -61.3 26 11.0 -50.5 235 92 308.4 308.4 284.8 308.5 0.03 14 300 8590 -52.7 -63.7 25 11.0 -52.9 235 91 311.1 311.1 285.7 311.2 0.02 15 285 8919 -54.4 -65.9 23 11.4 -54.6 240 104 313.2 313.2 286.5 313.3 0.02 16 265 9382 -56.9 -68.9 21 12.0 -57.1 240 104 316.2 316.2 287.5 316.2 0.01 17 262 9454 -56.9 -68.9 21 12.0 -57.1 240 103 317.2 317.2 287.8 317.2 0.01 18 250 9750 -57.1 -69.1 20 12.0 -57.2 240 101 321.2 321.2 289.1 321.2 0.01 19 200 11160 -57.3 -71.3 15 14.0 -57.5 250 75 342.0 342.0 294.8 342.1 0.01 20 172 12122 -55.1 -69.1 16 14.0 -55.4 250 61 360.7 360.7 298.8 360.8 0.02 21 150 12990 -59.5 -75.5 11 16.0 -59.7 250 48 367.6 367.6 300.1 367.6 0.01 22 126 14077 -62.1 -78.1 10 16.0 -62.3 254 55 381.7 381.7 302.5 381.7 0.01 23 100 15510 -61.7 -79.7 7 18.0 -61.9 260 64 408.5 408.5 306.3 408.5 0.01 24 92 16025 -60.7 -77.7 9 17.0 -61.0 258 64 420.4 420.4 307.7 420.4 0.01 25 70 17710 -62.7 -79.7 8 17.0 -63.0 250 62 450.2 450.2 310.9 450.3 0.01 26 50 19790 -61.7 -79.7 7 18.0 -62.1 250 69 498.1 498.1 314.8 498.2 0.01 27 48 20043 -62.9 -81.9 6 19.0 -63.3 249 72 501.1 501.1 315.0 501.1 0.01 28 47 20175 -58.7 -78.7 6 20.0 -59.4 249 73 514.2 514.2 315.9 514.3 0.02 29 36 21852 -59.5 -79.5 6 20.0 -60.3 244 93 552.8 552.8 318.2 553.0 0.02 30 30 23000 -58.1 -78.1 6 20.0 -59.2 240 106 586.2 586.3 320.0 586.5 0.03 31 26 23900 -56.1 -77.1 6 21.0 -57.6 242 112 616.4 616.4 321.3 616.7 0.04 32 21 25257 -54.3 -77.3 4 23.0 -56.5 244 122 660.7 660.7 323.1 661.1 0.05 33 20 25570 -51.5 -75.5 4 24.0 -54.5 245 124 678.5 678.6 323.7 679.1 0.07 34 19 25903 -52.1 -76.1 4 24.0 -55.0 686.7 686.7 324.0 687.2 0.06 35 14 27891 -49.7 -74.7 4 25.0 -54.1 757.5 757.6 326.1 758.5 0.11 TRP 265 9382 -56.9 -68.9 21 12.0 -57.1 240 104 316.2 316.2 287.5 316.2 0.01 WND 285 8919 -54.4 -65.9 23 11.4 -54.6 240 104 313.2 313.2 286.5 313.3 0.02 Sounding variables and indices 1000-500 mb thick: 5112.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 66.10 % Est. max temperature: -1.67 C = 29.00 F Sfc-Lift cond lev (LCL): 954.88 mb = 417.06 m = 1368.30 ft T: -8.36 C 700-500 lapse rate: 4.65 C/km ThetaE index: 0.21 C Layer 850.0- 700.0 mb Conv cond level (CCL): 871.19 mb = 1124.75 m = 3690.08 ft Mean mixing ratio: 1.76 g/kg Conv temperature: -2.26 C = 27.93 F Cap Strength: 10.62 C Lifted Index: 14.43 C Risk: None Lifted Index @300 mb: 26.32 C Lifted Index @700 mb: 4.24 C Showalter Index: 12.91 C Risk: None Total Totals Index: 39.70 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 18.90 C K Index: 2.70 Risk: None Sweat Index: 147.00 Risk: None Energy Index: 3.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.08 J/kg Max Up Vert Vel: 5.67 m/s Conv Inhibition (B-): 58969.88 J/kg Cap Strength: 14.06 C Lift Cond Lev (LCL): 907.82 mb = 808.39 m = 2652.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 41 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 ---------------------------------------------------------- 0 989 144 230 3 2.3 1.9 | 89 39 -38.8 -0.6 1 925 664 250 19 17.9 6.5 | 100 24 -23.2 3.9 2 850 1313 245 31 28.1 13.1 | 129 17 -13.0 10.5 3 700 2763 235 48 39.3 27.5 | 176 25 -1.8 25.0 4 500 5170 235 85 69.6 48.8 | 212 54 28.5 46.2 5 400 6700 235 95 77.8 54.5 | 215 64 36.7 51.9 6 300 8590 235 91 74.5 52.2 | 214 60 33.5 49.6 7 285 8919 240 104 90.1 52.0 | 225 70 49.0 49.4 8 265 9382 240 104 90.1 52.0 | 225 70 49.0 49.4 9 250 9750 240 101 87.5 50.5 | 224 67 46.4 47.9 10 200 11160 250 75 70.5 25.7 | 232 37 29.4 23.1 11 150 12990 250 48 45.1 16.4 | 196 14 4.0 13.9 12 100 15510 260 64 63.0 11.1 | 249 24 21.9 8.5 13 70 17710 250 62 58.3 21.2 | 223 25 17.2 18.6 14 50 19790 250 69 64.8 23.6 | 228 32 23.8 21.0 15 30 23000 240 106 91.8 53.0 | 225 72 50.7 50.4 16 20 25570 245 124 112.4 52.4 | 235 87 71.3 49.8 Wind Parameters Mean winds (0-6000m): 236.4 at 54.9 knts Storm direction: 266.4 at 41.2 knts Shear (0-3000m) pos: 2.7 neg: 6.2 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 97.1 deg Storm rel helicity (0-3000m) pos: 211.6 neg: 0.0 tot: 211.6 m^2/s^2 ave: 70.5 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 6.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.06 Bulk Shear: 261.08 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 ------------------------------------------------------------------------------- 500 247 11 93 31| 16.0 0.0 16.0| 51.4 0.0 51.4 102.8 0.37| 16.3 6.1 1000 248 17 99 26| 8.0 4.9 12.9| 88.6 0.0 88.6 88.6 0.50| 13.1 6.6 1500 246 22 107 22| 5.3 5.7 11.1|120.2 0.0 120.2 80.1 0.61| 11.2 6.8 2000 244 26 116 20| 4.0 5.9 9.9|147.2 0.0 147.2 73.6 0.66| 10.0 6.6 2500 242 30 127 19| 3.2 6.0 9.2|172.7 0.0 172.7 69.1 0.66| 9.4 6.2 3000 240 33 138 19| 2.7 6.2 8.9|211.6 0.0 211.6 70.5 0.68| 9.1 6.1 4000 238 40 159 20| 2.0 6.6 8.6|298.9 0.0 298.9 74.7 0.67| 8.8 5.9 5000 237 48 178 24| 1.6 6.9 8.5|386.1 0.0 386.1 77.2 0.63| 8.6 5.4 6000 236 55 189 28| 1.3 6.3 7.7|424.5 0.0 424.5 70.8 0.61| 7.7 4.7 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251226.12.gif