UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 7 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 174 285 3 SFC 998 188 -31.7 -36.5 62 4.8 -31.9 285 3 241.6 241.6 241.4 242.0 0.17 2 931 681 -31.5 -35.9 65 4.4 -31.7 354 5 246.6 246.7 246.1 247.2 0.19 3 925 727 -30.9 -35.1 67 4.2 -31.2 360 5 247.7 247.7 247.1 248.3 0.21 4 850 1330 -26.3 -29.7 73 3.4 -26.6 55 13 258.6 258.7 256.8 259.7 0.38 5 835 1459 -24.9 -28.2 74 3.3 -25.2 57 14 261.4 261.5 259.2 262.7 0.45 6 800 1771 -24.9 -28.0 75 3.1 -25.2 61 15 264.6 264.7 261.7 266.0 0.48 7 729 2440 -30.1 -32.8 77 2.7 -30.3 71 18 266.0 266.1 262.5 267.0 0.33 8 700 2729 -30.3 -32.9 78 2.6 -30.5 75 19 268.9 269.0 264.6 270.0 0.34 9 627 3508 -33.9 -36.1 80 2.2 -34.1 78 24 273.4 273.5 267.5 274.3 0.28 10 624 3541 -34.1 -36.3 80 2.2 -34.3 78 24 273.6 273.6 267.6 274.4 0.27 11 536 4592 -41.1 -43.7 76 2.6 -41.2 83 30 277.4 277.4 269.8 277.8 0.15 12 500 5060 -45.7 -48.4 74 2.7 -45.8 85 33 277.3 277.3 269.7 277.6 0.09 13 494 5140 -46.7 -49.3 75 2.6 -46.8 85 33 277.1 277.1 269.5 277.3 0.09 14 400 6510 -52.9 -55.8 71 2.9 -52.9 90 25 286.2 286.2 274.8 286.4 0.05 15 306 8216 -59.7 -63.1 64 3.4 -59.7 70 13 299.5 299.5 281.1 299.6 0.03 16 300 8340 -59.5 -62.9 64 3.4 -59.5 65 13 301.5 301.5 282.0 301.6 0.03 17 250 9480 -59.9 -63.5 63 3.6 -59.9 65 3 317.0 317.0 287.8 317.1 0.03 18 200 10870 -60.7 -64.5 61 3.8 -60.7 330 5 336.6 336.6 293.5 336.8 0.03 19 150 12660 -61.5 -65.6 58 4.1 -61.6 300 9 364.1 364.1 299.5 364.3 0.04 20 100 15160 -62.5 -67.5 51 5.0 -62.6 290 15 407.0 407.0 306.2 407.2 0.04 21 70 17360 -63.5 -69.5 44 6.0 -63.7 280 27 448.5 448.5 310.7 448.8 0.05 22 50 19410 -66.9 -72.9 42 6.0 -67.1 255 29 485.8 485.8 313.9 486.1 0.04 23 41 20604 -68.5 -74.5 42 6.0 -68.7 510.2 510.2 315.7 510.5 0.04 TRP 306 8216 -59.7 -63.1 64 3.4 -59.7 70 13 299.5 299.5 281.1 299.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 4886.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 74.80 % Est. max temperature: -14.34 C = 6.20 F Sfc-Lift cond lev (LCL): 919.48 mb = 769.70 m = 2525.22 ft T: -30.57 C 700-500 lapse rate: 6.61 C/km Conv cond level (CCL): 536.77 mb = 4581.61 m = 15031.33 ft Mean mixing ratio: 0.20 g/kg Conv temperature: 4.01 C = 39.22 F Cap Strength: 25.94 C Lifted Index: 25.38 C Risk: None Lifted Index @300 mb: 39.03 C Lifted Index @700 mb: 20.48 C Showalter Index: 14.51 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 16.00 C K Index: -12.90 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 3.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.65 J/kg Max Up Vert Vel: 8.32 m/s Conv Inhibition (B-): 43086.81 J/kg Cap Strength: 25.88 C Lift Cond Lev (LCL): 879.11 mb = 1089.88 m = 3575.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 108 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 ---------------------------------------------------------- 0 998 188 285 3 2.9 -0.8 | 288 19 17.8 -5.6 1 925 727 360 5 -0.0 -5.0 | 304 18 14.9 -9.9 2 850 1330 55 13 -10.6 -7.5 | 341 13 4.2 -12.3 3 700 2729 75 19 -18.4 -4.9 | 19 10 -3.5 -9.8 4 500 5060 85 33 -32.9 -2.9 | 67 20 -18.0 -7.7 5 400 6510 90 25 -25.0 0.0 | 64 11 -10.1 -4.9 6 306 8216 70 13 -12.2 -4.4 | 344 10 2.7 -9.3 7 300 8340 65 13 -11.8 -5.5 | 343 11 3.1 -10.4 8 250 9480 65 3 -2.7 -1.3 | 297 14 12.2 -6.1 9 200 10870 330 5 2.5 -4.3 | 298 20 17.4 -9.2 10 150 12660 300 9 7.8 -4.5 | 292 25 22.7 -9.4 11 100 15160 290 15 14.1 -5.1 | 289 31 29.0 -10.0 12 70 17360 280 27 26.6 -4.7 | 283 43 41.5 -9.6 13 50 19410 255 29 28.0 7.5 | 266 43 42.9 2.6 Wind Parameters Mean winds (0-6000m): 78.1 at 20.9 knts Storm direction: 108.1 at 15.7 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 105.2 deg Storm rel helicity (0-3000m) pos: 102.4 neg: 0.0 tot: 102.4 m^2/s^2 ave: 34.1 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 4.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.52 Bulk Shear: 66.39 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 ------------------------------------------------------------------------------- 500 330 4 296 19| 4.9 0.0 4.9| 24.1 0.0 24.1 48.2 0.95| 5.3 5.0 1000 11 6 308 17| 6.6 0.0 6.6| 61.5 0.0 61.5 61.5 0.93| 7.2 6.8 1500 39 8 319 15| 5.8 0.0 5.8| 77.3 0.0 77.3 51.6 0.91| 6.6 6.0 2000 50 10 328 13| 4.9 0.0 4.9| 85.8 0.0 85.8 42.9 0.91| 5.7 5.2 2500 58 12 335 12| 4.4 0.0 4.4| 94.3 0.0 94.3 37.7 0.92| 5.2 4.8 3000 63 13 343 11| 4.2 0.0 4.2|102.4 0.0 102.4 34.1 0.92| 4.9 4.5 4000 70 16 0 10| 3.9 0.0 3.9|120.0 0.0 120.0 30.0 0.89| 4.5 4.0 5000 75 19 20 10| 3.6 0.0 3.6|137.7 0.0 137.7 27.5 0.85| 4.2 3.6 6000 78 21 31 11| 2.5 0.0 2.5|137.7 -1.1 136.6 22.8 0.74| 4.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251207.12.gif