UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 5 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 18 SFC 977 188 -20.5 -24.1 73 3.6 -21.0 350 1 254.3 254.4 253.7 255.9 0.56 2 967 263 -20.7 -24.6 71 3.9 -21.2 5 2 254.9 255.0 254.1 256.4 0.54 3 938 487 -16.5 -19.5 78 3.0 -17.0 50 4 261.4 261.5 260.0 263.8 0.87 4 925 591 -16.5 -19.0 81 2.5 -16.9 70 5 262.4 262.6 261.0 265.0 0.92 5 850 1231 -16.9 -19.4 81 2.5 -17.4 290 5 268.4 268.6 265.4 271.2 0.97 6 835 1365 -16.3 -18.9 80 2.6 -16.8 290 6 270.4 270.6 266.9 273.4 1.03 7 700 2666 -26.1 -28.8 78 2.7 -26.4 290 15 273.6 273.7 268.1 275.1 0.51 8 605 3701 -32.1 -34.8 77 2.7 -32.3 297 12 278.3 278.4 270.7 279.3 0.33 9 542 4467 -35.3 -41.3 54 6.0 -35.7 301 9 283.4 283.4 273.5 284.0 0.19 10 500 5020 -39.5 -45.5 53 6.0 -39.8 305 7 284.9 284.9 274.2 285.3 0.13 11 400 6520 -50.5 -58.5 38 8.0 -50.7 245 5 289.4 289.4 276.4 289.5 0.04 12 387 6736 -52.1 -60.1 38 8.0 -52.2 247 7 290.0 290.0 276.7 290.1 0.03 13 310 8146 -61.5 -69.5 34 8.0 -61.6 259 18 295.9 295.9 279.5 295.9 0.01 14 303 8288 -61.9 -69.9 34 8.0 -62.0 260 19 297.2 297.2 280.1 297.3 0.01 15 300 8350 -61.9 -69.9 34 8.0 -62.0 260 19 298.1 298.1 280.5 298.1 0.01 16 250 9480 -59.3 -67.3 35 8.0 -59.4 270 21 317.9 317.9 288.1 318.0 0.02 17 237 9814 -57.9 -65.9 35 8.0 -58.0 270 21 324.9 324.9 290.3 325.0 0.02 18 200 10880 -58.3 -66.3 35 8.0 -58.4 270 23 340.4 340.4 294.4 340.5 0.03 19 167 12009 -57.9 -66.9 31 9.0 -58.0 276 23 359.1 359.1 298.5 359.3 0.03 20 150 12680 -59.1 -69.1 26 10.0 -59.3 280 23 368.3 368.3 300.2 368.4 0.02 21 100 15210 -62.9 -73.9 21 11.0 -63.1 275 21 406.2 406.2 306.0 406.3 0.02 22 70 17390 -66.3 -78.3 17 12.0 -66.5 275 19 442.5 442.5 310.1 442.6 0.01 23 50 19410 -69.9 -81.9 16 12.0 -70.1 270 21 478.8 478.8 313.4 478.8 0.01 24 45 20035 -71.5 -83.5 15 12.0 -71.6 489.5 489.5 314.2 489.6 0.01 TRP 303 8288 -61.9 -69.9 34 8.0 -62.0 260 19 297.2 297.2 280.1 297.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5002.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 73.37 % Est. max temperature: -4.32 C = 24.22 F Sfc-Lift cond lev (LCL): 920.57 mb = 627.31 m = 2058.09 ft T: -16.52 C 700-500 lapse rate: 5.69 C/km ThetaE index: 0.00 C Layer 977.0- -0.0 mb Conv cond level (CCL): 977.00 mb = 187.98 m = 616.71 ft Mean mixing ratio: 0.83 g/kg Conv temperature: -19.60 C = -3.29 F Cap Strength: 16.74 C Lifted Index: 17.55 C Risk: None Lifted Index @300 mb: 24.45 C Lifted Index @700 mb: 9.68 C Showalter Index: 11.43 C Risk: None Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 20.10 C K Index: 0.50 Risk: None Sweat Index: 17.00 Risk: None Energy Index: 2.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.86 J/kg Max Up Vert Vel: 9.68 m/s Conv Inhibition (B-): 38197.67 J/kg Cap Strength: 17.41 C Lift Cond Lev (LCL): 885.42 mb = 922.02 m = 3024.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 7 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 ---------------------------------------------------------- 0 977 188 350 1 0.2 -1.0 | 140 6 -3.6 4.3 1 925 591 70 5 -4.7 -1.7 | 113 9 -8.5 3.6 2 850 1231 290 5 4.7 -1.7 | 194 4 0.9 3.6 3 700 2666 290 15 14.1 -5.1 | 269 10 10.3 0.1 4 500 5020 305 7 5.7 -4.0 | 237 2 1.9 1.3 5 400 6520 245 5 4.5 2.1 | 186 7 0.7 7.4 6 303 8288 260 19 18.7 3.3 | 240 17 14.9 8.6 7 300 8350 260 19 18.7 3.3 | 240 17 14.9 8.6 8 250 9480 270 21 21.0 -0.0 | 253 18 17.2 5.3 9 200 10880 270 23 23.0 -0.0 | 255 20 19.2 5.3 10 150 12680 280 23 22.7 -4.0 | 266 19 18.8 1.3 11 100 15210 275 21 20.9 -1.8 | 259 17 17.1 3.4 12 70 17390 275 19 18.9 -1.7 | 257 16 15.1 3.6 13 50 19410 270 21 21.0 -0.0 | 253 18 17.2 5.3 Wind Parameters Mean winds (0-6000m): 294.1 at 8.7 knts Storm direction: 324.1 at 6.5 knts Shear (0-3000m) pos: 0.8 neg: 2.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 130.2 deg Storm rel helicity (0-3000m) pos: 12.1 neg: -8.9 tot: 3.2 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.94 Bulk Shear: 15.93 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 59 3 118 8| 4.7 0.0 4.7| 0.4 -6.9 -6.6 -13.2 -0.51| 7.8 -4.0 1000 30 4 106 6| 2.3 4.2 6.5| 2.2 -8.9 -6.7 -6.7 -0.08| 8.9 -0.7 1500 326 5 138 2| 1.6 3.9 5.5| 5.3 -8.9 -3.6 -2.4 0.08| 7.2 0.6 2000 304 6 215 2| 1.2 3.8 5.0| 8.7 -8.9 -0.2 -0.1 0.16| 6.3 1.0 2500 297 8 239 3| 0.7 3.0 3.8| 11.9 -8.9 3.0 1.2 0.19| 5.7 1.1 3000 296 9 249 4| 0.8 2.5 3.3| 12.1 -8.9 3.2 1.1 0.18| 5.1 0.9 4000 295 9 255 5| 0.9 1.9 2.8| 12.1 -9.7 2.5 0.6 0.15| 4.3 0.6 5000 296 9 254 5| 0.9 1.4 2.3| 12.1 -11.3 0.8 0.2 0.08| 3.8 0.3 6000 294 9 247 4| 0.7 1.2 1.9| 12.1 -14.7 -2.6 -0.4 0.01| 3.5 0.0 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251205.00.gif