UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 10 DEC 25 Station: U4507 WMO ident: 24507 Latitude: 64.27 Longitude: 100.23 ------------------------------------------------------------------------------- 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 154 325 3 SFC 995 189 -34.5 -38.1 70 3.6 -34.7 325 3 239.0 239.0 238.8 239.4 0.14 2 925 706 -27.3 -30.2 76 2.9 -27.5 280 11 251.4 251.4 250.7 252.3 0.34 3 910 824 -25.9 -29.1 74 3.2 -26.2 285 12 254.0 254.1 253.0 255.1 0.38 4 872 1134 -24.3 -27.5 75 3.2 -24.6 297 15 258.8 258.9 257.2 260.1 0.46 5 850 1320 -24.9 -28.0 75 3.1 -25.2 305 17 260.1 260.1 258.2 261.3 0.45 6 785 1898 -24.9 -28.2 74 3.3 -25.3 303 19 266.0 266.1 262.8 267.4 0.48 7 773 2010 -25.3 -28.7 73 3.4 -25.7 303 20 266.8 266.9 263.3 268.1 0.46 8 700 2722 -30.9 -35.9 61 5.0 -31.3 300 23 268.3 268.3 264.0 269.0 0.25 9 652 3222 -33.9 -39.9 55 6.0 -34.3 300 28 270.4 270.4 265.3 270.9 0.18 10 589 3930 -35.7 -43.7 44 8.0 -36.1 300 35 276.3 276.3 269.1 276.7 0.13 11 565 4218 -37.9 -46.9 38 9.0 -38.3 300 38 277.0 277.0 269.5 277.3 0.10 12 500 5050 -42.9 -51.9 37 9.0 -43.2 300 46 280.7 280.7 271.7 280.9 0.06 13 464 5548 -47.1 -55.1 40 8.0 -47.3 303 56 281.6 281.6 272.2 281.7 0.05 14 400 6520 -50.7 -59.7 34 9.0 -50.8 310 77 289.1 289.1 276.2 289.2 0.03 15 398 6553 -50.7 -59.7 34 9.0 -50.8 310 77 289.5 289.5 276.5 289.6 0.03 16 339 7583 -57.3 -66.3 31 9.0 -57.4 314 81 294.1 294.1 278.7 294.2 0.02 17 316 8025 -59.1 -68.1 30 9.0 -59.2 315 83 297.5 297.5 280.3 297.6 0.01 18 300 8350 -60.5 -69.5 30 9.0 -60.6 315 79 300.1 300.1 281.4 300.1 0.01 19 298 8392 -61.5 -70.5 29 9.0 -61.6 315 79 299.2 299.2 281.0 299.3 0.01 20 285 8671 -61.9 -70.9 29 9.0 -62.0 315 73 302.5 302.5 282.4 302.5 0.01 21 250 9490 -60.9 -69.9 30 9.0 -61.0 315 54 315.5 315.5 287.3 315.6 0.01 22 208 10635 -59.3 -68.3 30 9.0 -59.4 311 42 335.1 335.1 293.1 335.2 0.02 23 200 10880 -60.5 -69.5 30 9.0 -60.6 310 40 337.0 337.0 293.6 337.0 0.02 24 150 12670 -61.1 -71.1 25 10.0 -61.2 300 23 364.8 364.8 299.7 364.9 0.02 25 103 14998 -63.1 -74.1 21 11.0 -63.3 309 17 402.4 402.4 305.5 402.5 0.02 26 100 15180 -63.1 -74.1 21 11.0 -63.3 310 17 405.8 405.8 306.0 405.9 0.02 27 70 17350 -66.7 -78.7 17 12.0 -66.8 275 7 441.7 441.7 310.0 441.8 0.01 28 50 19370 -69.3 -81.3 16 12.0 -69.5 255 21 480.2 480.2 313.5 480.2 0.01 29 43 20266 -71.3 -83.3 15 12.0 -71.4 496.4 496.4 314.7 496.5 0.01 TRP 298 8392 -61.5 -70.5 29 9.0 -61.6 315 79 299.2 299.2 281.0 299.3 0.01 WND 316 8025 -59.1 -68.1 30 9.0 -59.2 315 83 297.5 297.5 280.3 297.6 0.01 Sounding variables and indices 1000-500 mb thick: 4896.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 59.32 % Est. max temperature: -13.02 C = 8.56 F Sfc-Lift cond lev (LCL): 935.30 mb = 627.50 m = 2058.71 ft T: -28.39 C 700-500 lapse rate: 5.15 C/km Conv cond level (CCL): 995.00 mb = 188.99 m = 620.05 ft Mean mixing ratio: 0.28 g/kg Conv temperature: -31.26 C = -24.27 F Cap Strength: 24.10 C Lifted Index: 26.34 C Risk: None Lifted Index @300 mb: 36.45 C Lifted Index @700 mb: 17.89 C Showalter Index: 15.97 C Risk: None Total Totals Index: 32.90 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 14.90 C K Index: -15.00 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 4.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.90 J/kg Max Up Vert Vel: 10.67 m/s Conv Inhibition (B-): 43538.96 J/kg Cap Strength: 26.17 C Lift Cond Lev (LCL): 905.17 mb = 862.73 m = 2830.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 332 at 24 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 ---------------------------------------------------------- 0 995 189 325 3 1.7 -2.5 | 153 21 -9.5 18.3 1 925 706 280 11 10.8 -1.9 | 179 19 -0.4 18.9 2 850 1320 305 17 13.9 -9.8 | 194 11 2.7 11.0 3 700 2722 300 23 19.9 -11.5 | 223 13 8.7 9.3 4 500 5050 300 46 39.8 -23.0 | 274 29 28.6 -2.2 5 400 6520 310 77 59.0 -49.5 | 301 56 47.8 -28.7 6 316 8025 315 83 58.7 -58.7 | 309 61 47.5 -37.9 7 300 8350 315 79 55.9 -55.9 | 308 57 44.6 -35.1 8 298 8392 315 79 55.9 -55.9 | 308 57 44.6 -35.1 9 250 9490 315 54 38.2 -38.2 | 303 32 27.0 -17.4 10 200 10880 310 40 30.6 -25.7 | 284 20 19.4 -4.9 11 150 12670 300 23 19.9 -11.5 | 223 13 8.7 9.3 12 100 15180 310 17 13.0 -10.9 | 190 10 1.8 9.8 13 70 17350 275 7 7.0 -0.6 | 168 21 -4.3 20.2 14 50 19370 255 21 20.3 5.4 | 199 28 9.1 26.2 Wind Parameters Mean winds (0-6000m): 301.6 at 31.5 knts Storm direction: 331.6 at 23.6 knts Shear (0-3000m) pos: 1.6 neg: 3.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 88.7 deg Storm rel helicity (0-3000m) pos: 90.7 neg: 0.0 tot: 90.7 m^2/s^2 ave: 30.2 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.70 Bulk Shear: 81.33 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 ------------------------------------------------------------------------------- 500 290 7 166 19| 0.0 9.1 9.1| 39.0 0.0 39.0 78.0 0.86| 9.7 8.3 1000 291 10 174 17| 3.3 4.5 7.9| 54.9 0.0 54.9 54.9 0.73| 8.3 6.0 1500 297 12 179 15| 3.3 3.0 6.3| 62.0 0.0 62.0 41.3 0.72| 6.7 4.8 2000 299 14 185 14| 2.5 2.8 5.3| 68.6 0.0 68.6 34.3 0.74| 5.6 4.2 2500 300 16 191 13| 2.0 2.7 4.7| 75.1 0.0 75.1 30.1 0.76| 5.0 3.8 3000 300 17 197 13| 1.6 3.0 4.6| 90.7 0.0 90.7 30.2 0.78| 4.9 3.9 4000 300 21 214 12| 1.2 3.5 4.7|123.0 0.0 123.0 30.8 0.77| 5.0 3.8 5000 300 26 234 14| 1.6 3.3 4.9|165.9 0.0 165.9 33.2 0.71| 5.2 3.7 6000 302 31 255 16| 3.3 2.7 6.0|299.2 0.0 299.2 49.9 0.67| 6.2 4.2 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251210.12.gif