UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for U4507... Searching the city database file for: U4507 ... Date:0000Z 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 1006 186 -48.5 -54.5 50 6.0 -48.6 150 1 224.3 224.3 224.2 224.3 0.02 1 1000 225 -47.9 -53.9 50 6.0 -48.0 115 3 225.2 225.3 225.2 225.3 0.03 2 944 606 -42.9 -48.9 52 6.0 -43.0 108 7 234.1 234.1 233.9 234.2 0.05 3 925 743 -39.1 -45.1 53 6.0 -39.2 105 9 239.3 239.3 239.0 239.5 0.07 4 882 1077 -30.3 -35.3 62 5.0 -30.6 111 7 251.7 251.8 250.7 252.3 0.21 5 850 1343 -27.1 -32.1 62 5.0 -27.5 115 5 257.8 257.8 256.0 258.6 0.30 6 848 1360 -27.1 -32.1 62 5.0 -27.5 113 5 257.9 258.0 256.1 258.8 0.31 7 765 2102 -27.1 -31.3 67 4.2 -27.5 25 10 265.6 265.7 262.3 266.7 0.37 8 700 2736 -31.1 -34.8 70 3.7 -31.4 310 15 268.0 268.1 263.9 268.9 0.28 9 604 3767 -36.9 -40.6 68 3.7 -37.1 314 28 272.9 272.9 267.0 273.5 0.18 10 506 4970 -44.1 -48.3 63 4.2 -44.2 320 43 278.3 278.3 270.3 278.6 0.09 11 500 5050 -44.3 -48.5 63 4.2 -44.5 320 44 279.0 279.0 270.7 279.3 0.09 12 405 6440 -52.1 -58.1 48 6.0 -52.2 320 50 286.3 286.3 274.8 286.4 0.04 13 400 6520 -52.1 -58.1 48 6.0 -52.2 320 50 287.3 287.3 275.3 287.4 0.04 14 364 7129 -53.3 -59.3 48 6.0 -53.4 320 50 293.5 293.5 278.4 293.7 0.04 15 300 8360 -58.7 -64.7 46 6.0 -58.7 320 50 302.6 302.6 282.4 302.7 0.02 16 296 8445 -59.1 -66.1 40 7.0 -59.2 320 50 303.2 303.2 282.7 303.3 0.02 17 250 9510 -58.1 -65.1 40 7.0 -58.2 320 46 319.7 319.7 288.6 319.8 0.02 18 200 10920 -59.1 -67.1 35 8.0 -59.2 315 42 339.2 339.2 294.1 339.3 0.02 19 188 11306 -58.7 -66.7 35 8.0 -58.8 317 40 345.9 345.9 295.7 346.0 0.03 20 150 12710 -61.3 -70.3 29 9.0 -61.4 325 35 364.5 364.5 299.6 364.6 0.02 21 104 14970 -64.7 -74.7 24 10.0 -64.8 320 26 398.2 398.2 305.0 398.3 0.01 22 100 15210 -64.7 -74.7 24 10.0 -64.8 320 25 402.7 402.7 305.6 402.8 0.02 23 70 17370 -67.9 -78.9 19 11.0 -68.0 305 15 439.1 439.1 309.8 439.2 0.01 24 51 19262 -70.5 -82.5 15 12.0 -70.6 474.7 474.7 313.0 474.7 0.01 TRP 296 8445 -59.1 -66.1 40 7.0 -59.2 320 50 303.2 303.2 282.7 303.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 4825.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 64.11 % Est. max temperature: -16.11 C = 3.00 F Sfc-Lift cond lev (LCL): 901.24 mb = 925.69 m = 3037.01 ft T: -34.29 C 700-500 lapse rate: 5.70 C/km ThetaE index: 0.00 C Layer 1006.0-36310270083072.0 mb Conv cond level (CCL): 1000.00 mb = 225.00 m = 738.18 ft Mean mixing ratio: 0.05 g/kg Conv temperature: -47.15 C = -52.87 F Cap Strength: 37.03 C Lifted Index: 37.48 C Risk: None Lifted Index @300 mb: 49.09 C Lifted Index @700 mb: 31.37 C Showalter Index: 16.79 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 12.20 C K Index: -18.60 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 4.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.56 J/kg Max Up Vert Vel: 12.05 m/s Conv Inhibition (B-): 45941.97 J/kg Cap Strength: 37.13 C Lift Cond Lev (LCL): 874.50 mb = 1138.54 m = 3735.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 18 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 1006 186 150 1 -0.5 0.9 | 169 19 -3.5 18.5 1 1000 225 115 3 -2.7 1.3 | 163 20 -5.8 18.9 2 925 743 105 9 -8.7 2.3 | 150 23 -11.7 20.0 3 850 1343 115 5 -4.5 2.1 | 159 21 -7.6 19.8 4 700 2736 310 15 11.5 -9.6 | 227 12 8.5 8.0 5 500 5050 320 44 28.3 -33.7 | 302 30 25.2 -16.0 6 400 6520 320 50 32.1 -38.3 | 305 36 29.1 -20.6 7 300 8360 320 50 32.1 -38.3 | 305 36 29.1 -20.6 8 296 8445 320 50 32.1 -38.3 | 305 36 29.1 -20.6 9 250 9510 320 46 29.6 -35.2 | 304 32 26.5 -17.6 10 200 10920 315 42 29.7 -29.7 | 294 29 26.7 -12.0 11 150 12710 325 35 20.1 -28.7 | 303 20 17.0 -11.0 12 100 15210 320 25 16.1 -19.2 | 277 13 13.0 -1.5 13 70 17370 305 15 12.3 -8.6 | 226 13 9.3 9.1 Wind Parameters Mean winds (0-6000m): 320.2 at 23.9 knts Storm direction: 350.2 at 17.9 knts Shear (0-3000m) pos: 0.4 neg: 3.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 83.4 deg Storm rel helicity (0-3000m) pos: 53.3 neg: -70.4 tot: -17.0 m^2/s^2 ave: -5.7 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 0.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.67 Bulk Shear: 108.36 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 ------------------------------------------------------------------------------- 500 109 5 157 21| 0.0 7.9 7.9| 0.0 -35.8 -35.8 -71.7 -0.85| 7.9 -6.7 1000 108 6 155 22| 1.2 3.9 5.2| 14.7 -37.7 -23.0 -23.0 -0.40| 5.6 -2.3 1500 105 6 155 21| 0.8 3.3 4.1| 18.0 -58.9 -40.9 -27.2 -0.47| 5.6 -2.7 2000 84 7 149 20| 0.6 3.2 3.8| 19.1 -70.4 -51.3 -25.6 -0.38| 6.8 -2.6 2500 47 8 143 15| 0.5 2.9 3.4| 35.2 -70.4 -35.1 -14.1 -0.01| 8.3 -0.1 3000 338 10 184 9| 0.4 3.4 3.8| 53.3 -70.4 -17.0 -5.7 0.11| 8.1 0.9 4000 321 14 220 9| 1.8 2.6 4.4| 95.3 -70.4 24.9 6.2 0.25| 7.7 1.9 5000 320 19 253 10| 2.6 2.0 4.7|139.7 -70.4 69.3 13.9 0.30| 7.4 2.2 6000 320 24 273 12| 2.2 2.1 4.3|149.4 -70.4 79.0 13.2 0.30| 6.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//U4507/skewt/U4507.skewt.20251213.00.gif