UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:1200Z 12 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 1003 189 -46.5 -52.5 50 6.0 -46.6 350 1 226.5 226.5 226.4 226.5 0.03 1 1000 209 -46.5 -52.5 50 6.0 -46.6 355 1 226.6 226.7 226.6 226.7 0.03 2 932 688 -36.5 -41.5 60 5.0 -36.7 81 8 241.5 241.5 241.1 241.8 0.11 3 927 726 -34.5 -39.4 61 4.9 -34.7 87 9 243.9 243.9 243.4 244.3 0.13 4 926 733 -31.5 -36.3 63 4.8 -31.7 89 9 247.0 247.1 246.4 247.5 0.19 5 925 741 -31.1 -35.9 63 4.8 -31.4 90 9 247.5 247.5 246.9 248.0 0.19 6 914 826 -28.1 -32.8 64 4.7 -28.5 74 10 251.4 251.5 250.5 252.2 0.26 7 897 961 -26.7 -31.2 66 4.5 -27.1 50 12 254.2 254.3 253.1 255.1 0.31 8 850 1348 -26.5 -30.7 68 4.2 -26.9 340 17 258.4 258.4 256.6 259.4 0.35 9 824 1572 -26.7 -30.8 68 4.1 -27.1 335 17 260.5 260.5 258.3 261.5 0.36 10 700 2740 -29.3 -35.3 56 6.0 -29.8 310 17 270.0 270.1 265.2 270.9 0.27 11 688 2864 -29.7 -35.7 56 6.0 -30.2 308 19 270.9 271.0 265.8 271.7 0.26 12 521 4786 -45.5 -53.5 40 8.0 -45.7 284 48 274.3 274.3 267.7 274.5 0.05 13 500 5060 -46.7 -54.7 40 8.0 -46.9 280 52 276.1 276.1 268.8 276.3 0.05 14 400 6520 -52.5 -60.5 37 8.0 -52.6 310 46 286.8 286.8 275.0 286.9 0.03 15 360 7199 -54.3 -62.3 37 8.0 -54.4 312 46 293.1 293.1 278.2 293.2 0.02 16 331 7733 -58.5 -66.5 35 8.0 -58.6 313 46 294.5 294.5 278.9 294.5 0.02 17 300 8350 -59.9 -67.9 34 8.0 -60.0 315 46 300.9 300.9 281.7 301.0 0.01 18 296 8433 -60.3 -68.3 34 8.0 -60.4 310 46 301.5 301.5 282.0 301.5 0.01 19 250 9480 -58.9 -66.9 35 8.0 -59.0 310 46 318.5 318.5 288.3 318.6 0.02 20 200 10880 -59.5 -67.5 35 8.0 -59.6 310 40 338.5 338.5 294.0 338.6 0.02 21 171 11862 -59.5 -68.5 30 9.0 -59.6 313 35 354.1 354.1 297.5 354.1 0.02 22 150 12680 -61.1 -70.1 29 9.0 -61.2 315 31 364.8 364.8 299.7 364.9 0.02 23 100 15170 -64.9 -74.9 24 10.0 -65.0 310 23 402.3 402.3 305.5 402.4 0.01 24 70 17320 -69.1 -80.1 19 11.0 -69.2 295 17 436.6 436.6 309.6 436.6 0.01 25 52 19090 -70.7 -82.7 15 12.0 -70.8 471.6 471.6 312.8 471.6 0.01 TRP 296 8433 -60.3 -68.3 34 8.0 -60.4 310 46 301.5 301.5 282.0 301.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 4851.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 54.97 % Est. max temperature: -14.82 C = 5.33 F Sfc-Lift cond lev (LCL): 899.53 mb = 940.47 m = 3085.50 ft T: -26.91 C 700-500 lapse rate: 7.50 C/km ThetaE index: 0.00 C Layer 1003.0-272008302207532160516096.0 mb Conv cond level (CCL): 1000.00 mb = 209.00 m = 685.69 ft Mean mixing ratio: 0.12 g/kg Conv temperature: -39.99 C = -39.98 F Cap Strength: 29.54 C Lifted Index: 30.68 C Risk: None Lifted Index @300 mb: 44.08 C Lifted Index @700 mb: 28.34 C Showalter Index: 13.78 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 16.00 C K Index: -16.50 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 3.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 98.85 J/kg Max Up Vert Vel: 14.06 m/s Conv Inhibition (B-): 41339.30 J/kg Cap Strength: 30.64 C Lift Cond Lev (LCL): 910.25 mb = 855.49 m = 2806.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 at 21 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 1003 189 350 1 0.2 -1.0 | 145 21 -11.9 16.8 1 1000 209 355 1 0.1 -1.0 | 145 21 -11.9 16.8 2 925 741 90 9 -9.0 0.0 | 130 28 -21.0 17.8 3 850 1348 340 17 5.8 -16.0 | 106 6 -6.2 1.8 4 700 2740 310 17 13.0 -10.9 | 188 7 1.0 6.9 5 500 5060 280 52 51.2 -9.0 | 257 40 39.2 8.8 6 400 6520 310 46 35.2 -29.6 | 297 26 23.2 -11.8 7 300 8350 315 46 32.5 -32.5 | 306 25 20.5 -14.7 8 296 8433 310 46 35.2 -29.6 | 297 26 23.2 -11.8 9 250 9480 310 46 35.2 -29.6 | 297 26 23.2 -11.8 10 200 10880 310 40 30.6 -25.7 | 293 20 18.6 -7.9 11 150 12680 315 31 21.9 -21.9 | 293 11 9.9 -4.1 12 100 15170 310 23 17.6 -14.8 | 242 6 5.6 3.0 13 70 17320 295 17 15.4 -7.2 | 198 11 3.4 10.6 Wind Parameters Mean winds (0-6000m): 295.9 at 28.6 knts Storm direction: 325.9 at 21.5 knts Shear (0-3000m) pos: 1.4 neg: 5.2 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 95.1 deg Storm rel helicity (0-3000m) pos: 23.9 neg: -96.4 tot: -72.5 m^2/s^2 ave: -24.2 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 8.9 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.73 Bulk Shear: 136.02 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 73 4 135 23| 8.5 0.0 8.5| 0.0 -30.3 -30.3 -60.7 -0.55| 10.5 -5.7 1000 54 8 126 23| 4.3 7.5 11.8| 0.0 -95.5 -95.5 -95.5 -0.58| 14.4 -8.4 1500 7 11 118 15| 2.8 7.2 10.1| 4.0 -96.4 -92.3 -61.5 -0.37| 13.2 -4.9 2000 350 12 120 11| 2.1 5.7 7.8| 7.8 -96.4 -88.6 -44.3 -0.27| 10.7 -2.9 2500 339 13 127 9| 1.7 4.8 6.5| 11.3 -96.4 -85.0 -34.0 -0.19| 9.2 -1.8 3000 330 14 137 7| 1.4 5.2 6.6| 23.9 -96.4 -72.5 -24.2 -0.04| 8.9 -0.3 4000 313 18 196 5| 1.1 5.9 7.0| 39.8 -96.4 -56.5 -14.1 0.04| 8.8 0.3 5000 298 24 235 11| 0.9 6.1 6.9| 57.1-114.1 -57.0 -11.4 0.03| 8.9 0.2 6000 296 29 249 15| 2.1 5.1 7.1|192.3-114.1 78.2 13.0 0.17| 8.9 1.5 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251212.12.gif