UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 13 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 ------------------------------------------------------------------------------- SFC 1009 188 -47.9 -54.9 44 7.0 -48.0 130 1 224.7 224.7 224.6 224.7 0.02 1 1000 247 -47.7 -53.7 50 6.0 -47.8 110 3 225.4 225.5 225.4 225.5 0.03 2 988 327 -46.9 -52.9 50 6.0 -47.0 105 4 227.0 227.0 226.9 227.1 0.03 3 940 662 -41.1 -47.1 52 6.0 -41.2 86 6 236.2 236.2 236.0 236.4 0.06 4 925 772 -38.7 -43.7 59 5.0 -38.8 80 7 239.7 239.7 239.4 240.0 0.09 5 886 1074 -31.5 -36.5 61 5.0 -31.8 75 7 250.2 250.2 249.2 250.7 0.19 6 850 1371 -28.7 -33.5 63 4.8 -29.0 70 7 256.1 256.1 254.5 256.8 0.27 7 847 1396 -27.7 -32.5 64 4.8 -28.1 69 7 257.4 257.4 255.7 258.2 0.29 8 780 1987 -27.3 -31.7 66 4.4 -27.7 46 9 264.0 264.0 261.0 265.0 0.34 9 761 2164 -27.5 -32.4 63 4.9 -27.9 39 9 265.6 265.7 262.2 266.6 0.33 10 700 2760 -29.7 -38.7 41 9.0 -30.3 15 11 269.6 269.6 264.8 270.2 0.19 11 659 3189 -31.5 -42.5 33 11.0 -32.1 9 16 272.3 272.3 266.5 272.7 0.14 12 644 3351 -32.5 -44.5 29 12.0 -33.1 6 18 272.9 272.9 266.9 273.3 0.11 13 500 5100 -41.7 -54.7 23 13.0 -42.1 340 38 282.2 282.2 272.5 282.4 0.05 14 400 6590 -49.5 -63.5 18 14.0 -49.7 335 54 290.7 290.7 277.0 290.7 0.02 15 359 7294 -53.1 -67.1 17 14.0 -53.2 331 59 295.0 295.0 279.1 295.0 0.01 16 300 8440 -57.7 -69.7 20 12.0 -57.8 325 68 304.0 304.0 283.0 304.1 0.01 17 288 8696 -58.5 -70.5 20 12.0 -58.6 325 69 306.4 306.4 284.0 306.4 0.01 18 275 8985 -59.5 -71.5 20 12.0 -59.6 325 68 309.1 309.1 285.0 309.1 0.01 19 250 9580 -59.3 -71.3 20 12.0 -59.4 330 66 317.9 317.9 288.1 317.9 0.01 20 200 10980 -59.7 -71.7 20 12.0 -59.8 325 54 338.2 338.2 293.9 338.3 0.01 21 176 11778 -59.3 -72.3 17 13.0 -59.5 323 48 351.5 351.5 297.0 351.5 0.01 22 150 12770 -62.3 -75.3 16 13.0 -62.4 320 40 362.8 362.8 299.2 362.8 0.01 23 101 15199 -65.1 -79.1 13 14.0 -65.3 315 29 400.8 400.8 305.3 400.8 0.01 24 100 15260 -65.7 -79.7 13 14.0 -65.8 315 29 400.8 400.8 305.3 400.8 0.01 25 70 17410 -68.7 -82.7 12 14.0 -68.8 315 17 437.4 437.4 309.6 437.4 0.01 26 50 19420 -70.3 -84.3 11 14.0 -70.4 320 23 477.8 477.8 313.3 477.9 0.01 27 47 19788 -70.1 -84.1 11 14.0 -70.2 486.8 486.8 314.0 486.9 0.01 TRP 275 8985 -59.5 -71.5 20 12.0 -59.6 325 68 309.1 309.1 285.0 309.1 0.01 WND 288 8696 -58.5 -70.5 20 12.0 -58.6 325 69 306.4 306.4 284.0 306.4 0.01 Sounding variables and indices 1000-500 mb thick: 4853.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.04 inches Sfc-500 mean rel hum: 43.81 % Est. max temperature: -17.93 C = -0.27 F Sfc-Lift cond lev (LCL): 887.65 mb = 1061.01 m = 3480.97 ft T: -31.81 C 700-500 lapse rate: 5.13 C/km Conv cond level (CCL): 1000.00 mb = 247.00 m = 810.36 ft Mean mixing ratio: 0.05 g/kg Conv temperature: -46.63 C = -51.93 F Cap Strength: 34.98 C Lifted Index: 40.14 C Risk: None Lifted Index @300 mb: 50.15 C Lifted Index @700 mb: 32.86 C Showalter Index: 20.86 C Risk: None Total Totals Index: 21.20 C Risk: None Vertical Totals Index: 13.00 C Cross Totals Index: 8.20 C K Index: -29.50 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 5.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 66.35 J/kg Max Up Vert Vel: 11.52 m/s Conv Inhibition (B-): 47507.64 J/kg Cap Strength: 40.09 C Lift Cond Lev (LCL): 880.92 mb = 1115.24 m = 3658.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 21 at 16 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 1009 188 130 1 -0.8 0.6 | 198 16 4.9 15.2 1 1000 247 110 3 -2.8 1.0 | 190 16 2.8 15.6 2 925 772 80 7 -6.9 -1.2 | 175 13 -1.3 13.4 3 850 1371 70 7 -6.6 -2.4 | 176 12 -0.9 12.2 4 700 2760 15 11 -2.8 -10.6 | 215 5 2.8 3.9 5 500 5100 340 38 13.0 -35.7 | 319 28 18.6 -21.1 6 400 6590 335 54 22.8 -48.9 | 320 45 28.5 -34.4 7 300 8440 325 68 39.0 -55.7 | 313 61 44.6 -41.1 8 288 8696 325 69 39.6 -56.5 | 313 62 45.2 -42.0 9 275 8985 325 68 39.0 -55.7 | 313 61 44.6 -41.1 10 250 9580 330 66 33.0 -57.2 | 318 58 38.6 -42.6 11 200 10980 325 54 31.0 -44.2 | 309 47 36.6 -29.7 12 150 12770 320 40 25.7 -30.6 | 297 35 31.4 -16.1 13 100 15260 315 29 20.5 -20.5 | 283 27 26.1 -5.9 14 70 17410 315 17 12.0 -12.0 | 262 18 17.7 2.5 15 50 19420 320 23 14.8 -17.6 | 278 21 20.4 -3.1 Wind Parameters Mean winds (0-6000m): 351.2 at 20.8 knts Storm direction: 21.2 at 15.6 knts Shear (0-3000m) pos: 0.0 neg: 2.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 92.3 deg Storm rel helicity (0-3000m) pos: 11.2 neg: -25.4 tot: -14.2 m^2/s^2 ave: -4.7 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.02 Bulk Shear: 65.25 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 94 4 185 15| 0.0 5.9 5.9| 0.0 -22.5 -22.5 -45.0 -0.92| 6.2 -5.7 1000 83 6 180 14| 0.0 3.3 3.3| 0.4 -24.7 -24.3 -24.3 -0.78| 4.0 -3.1 1500 77 6 179 13| 0.0 2.6 2.6| 0.6 -25.4 -24.8 -16.5 -0.62| 3.4 -2.1 2000 67 7 177 12| 0.0 2.4 2.4| 2.2 -25.4 -23.2 -11.6 -0.41| 3.4 -1.4 2500 55 7 178 10| 0.0 2.3 2.3| 6.5 -25.4 -18.9 -7.6 -0.15| 3.5 -0.5 3000 44 8 180 9| 0.0 2.8 2.8| 11.2 -25.4 -14.2 -4.7 0.11| 3.9 0.4 4000 20 12 204 4| 0.0 3.6 3.6| 16.3 -25.7 -9.3 -2.3 0.16| 4.6 0.7 5000 0 16 285 6| 0.0 4.1 4.1| 17.0 -42.4 -25.3 -5.1 0.06| 5.1 0.3 6000 351 21 304 11| 0.0 4.3 4.3| 24.6 -42.4 -17.7 -3.0 0.06| 5.2 0.3 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251213.12.gif