UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 19 APR 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 90 SFC 979 261 1.0 -14.0 32 15.0 -3.4 310 3 275.8 276.0 270.9 279.6 1.32 2 925 713 -3.9 -17.9 33 14.0 -7.4 270 17 275.3 275.5 270.1 278.3 1.01 3 850 1372 -10.3 -21.3 40 11.0 -12.6 260 21 275.4 275.5 269.8 277.8 0.82 4 774 2083 -17.1 -24.1 55 7.0 -18.3 265 21 275.5 275.6 269.7 277.6 0.70 5 712 2702 -22.5 -28.5 58 6.0 -23.3 269 21 276.2 276.3 269.8 277.8 0.51 6 700 2827 -23.3 -29.3 58 6.0 -24.1 270 21 276.7 276.8 270.0 278.1 0.48 7 621 3693 -29.9 -36.9 51 7.0 -30.5 247 29 278.8 278.8 270.9 279.6 0.26 8 567 4342 -30.1 -43.1 27 13.0 -31.0 229 35 285.9 285.9 274.8 286.4 0.15 9 531 4807 -32.3 -46.3 24 14.0 -33.1 217 40 288.6 288.7 276.2 289.0 0.11 10 525 4887 -32.5 -46.5 24 14.0 -33.3 214 41 289.3 289.4 276.5 289.7 0.11 11 500 5230 -34.5 -48.5 23 14.0 -35.3 205 44 291.0 291.0 277.3 291.3 0.09 12 457 5853 -38.9 -48.9 34 10.0 -39.4 199 53 293.1 293.1 278.3 293.4 0.10 13 444 6051 -39.1 -48.1 38 9.0 -39.5 197 56 295.2 295.2 279.4 295.6 0.11 14 400 6760 -43.1 -50.1 46 7.0 -43.4 190 66 299.0 299.0 281.0 299.3 0.10 15 327 8086 -52.5 -58.5 48 6.0 -52.6 185 90 303.8 303.8 283.0 303.9 0.04 16 325 8125 -52.6 -58.6 48 6.0 -52.8 185 91 304.1 304.1 283.1 304.3 0.04 17 315 8326 -53.3 -59.3 48 6.0 -53.4 185 83 305.9 305.9 283.8 306.1 0.04 18 300 8640 -52.9 -58.9 48 6.0 -53.0 190 73 310.8 310.8 285.7 311.0 0.05 19 279 9103 -53.7 -59.7 48 6.0 -53.8 188 59 316.1 316.2 287.5 316.3 0.04 20 250 9810 -49.7 -56.7 44 7.0 -49.9 185 38 332.2 332.2 292.4 332.5 0.07 21 243 9996 -48.3 -56.3 39 8.0 -48.6 188 38 337.0 337.0 293.6 337.3 0.08 22 200 11280 -47.5 -58.5 27 11.0 -48.0 205 38 357.6 357.6 298.2 357.9 0.07 23 172 12286 -44.9 -58.9 19 14.0 -45.7 192 34 377.6 377.6 301.9 378.0 0.08 24 150 13200 -46.5 -62.5 15 16.0 -47.3 180 31 389.9 389.9 303.8 390.2 0.06 25 100 15870 -48.7 -67.7 9 19.0 -49.7 205 21 433.6 433.6 309.3 433.9 0.04 26 82 17175 -49.7 -69.7 8 20.0 -50.8 202 22 456.9 456.9 311.5 457.1 0.04 27 80 17337 -49.7 -69.7 8 20.0 -50.8 202 22 460.1 460.2 311.8 460.4 0.04 28 70 18210 -51.5 -71.5 7 20.0 -52.5 200 23 474.2 474.2 313.0 474.4 0.04 29 68 18399 -50.3 -70.3 8 20.0 -51.5 201 22 480.7 480.8 313.5 481.0 0.04 30 61 19110 -49.1 -70.1 7 21.0 -50.6 206 19 498.6 498.6 314.9 498.9 0.05 31 50 20410 -51.1 -72.1 6 21.0 -52.5 215 13 523.1 523.1 316.5 523.3 0.05 32 44 21240 -52.9 -72.9 7 20.0 -54.2 220 11 538.1 538.1 317.4 538.4 0.05 33 43 21389 -50.7 -71.7 7 21.0 -52.4 221 11 547.1 547.1 317.9 547.5 0.06 34 30 23730 -52.3 -73.3 6 21.0 -54.2 235 5 602.1 602.1 320.7 602.5 0.06 35 22 25737 -52.1 -73.1 6 21.0 -54.6 658.5 658.5 323.0 659.2 0.09 TRP 315 8326 -53.3 -59.3 48 6.0 -53.4 185 83 305.9 305.9 283.8 306.1 0.04 WND 325 8125 -52.6 -58.6 48 6.0 -52.8 185 91 304.1 304.1 283.1 304.3 0.04 Sounding variables and indices 1000-500 mb thick: 5140.00 m Freezing level: 967.98 mb = 353.02 m = 1158.19 ft Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 41.82 % Est. max temperature: 0.60 C = 33.08 F Sfc-Lift cond lev (LCL): 773.66 mb = 2086.56 m = 6845.59 ft T: -17.13 C 700-500 lapse rate: 4.66 C/km ThetaE index: 2.01 C Layer 925.0- 712.0 mb Conv cond level (CCL): 741.30 mb = 2403.37 m = 7884.99 ft Mean mixing ratio: 1.06 g/kg Conv temperature: 1.07 C = 33.93 F Cap Strength: 9.49 C Lifted Index: 10.54 C Risk: None Lifted Index @300 mb: 22.84 C Lifted Index @700 mb: 0.47 C Showalter Index: 11.18 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 13.20 C K Index: -3.10 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.59 J/kg Max Up Vert Vel: 2.68 m/s Conv Inhibition (B-): 54324.75 J/kg Cap Strength: 10.27 C Lift Cond Lev (LCL): 746.09 mb = 2355.69 m = 7728.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 23 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 ---------------------------------------------------------- 0 979 261 310 3 2.3 -1.9 | 71 21 -19.8 -6.9 1 925 713 270 17 17.0 -0.0 | 45 7 -5.1 -5.0 2 850 1372 260 21 20.7 3.6 | 45 2 -1.4 -1.4 3 700 2827 270 21 21.0 -0.0 | 12 5 -1.1 -5.0 4 500 5230 205 44 18.6 39.9 | 174 35 -3.5 34.9 5 400 6760 190 66 11.5 65.0 | 170 61 -10.6 60.0 6 325 8125 185 91 7.9 90.7 | 171 87 -14.1 85.6 7 315 8326 185 83 7.2 82.7 | 169 79 -14.8 77.7 8 300 8640 190 73 12.7 71.9 | 172 68 -9.4 66.9 9 250 9810 185 38 3.3 37.9 | 150 38 -18.7 32.8 10 200 11280 205 38 16.1 34.4 | 168 30 -6.0 29.4 11 150 13200 180 31 0.0 31.0 | 140 34 -22.1 26.0 12 100 15870 205 21 8.9 19.0 | 137 19 -13.2 14.0 13 70 18210 200 23 7.9 21.6 | 139 22 -14.2 16.6 14 50 20410 215 13 7.5 10.6 | 111 16 -14.6 5.6 15 30 23730 235 5 4.1 2.9 | 83 18 -18.0 -2.1 Wind Parameters Mean winds (0-6000m): 227.2 at 30.2 knts Storm direction: 257.2 at 22.6 knts Shear (0-3000m) pos: 0.5 neg: 4.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): -162.9 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -34.7 tot: -34.7 m^2/s^2 ave: -11.6 10^-3 m/s^2 rel: -0.45 Storm rel vorticity (0-3000m) horiz: 5.3 stream: -2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 77.93 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 ------------------------------------------------------------------------------- 500 275 11 63 13| 0.0 15.6 15.6| 0.0 -29.2 -29.2 -58.4 -0.43| 16.6 -7.1 1000 269 15 58 9| 0.0 9.5 9.5| 0.0 -29.5 -29.5 -29.5 -0.35| 10.3 -3.6 1500 265 17 55 6| 0.3 6.3 6.6| 0.1 -29.9 -29.9 -19.9 -0.35| 7.5 -2.6 2000 265 18 51 5| 0.4 4.7 5.2| 0.1 -30.4 -30.3 -15.2 -0.36| 5.9 -2.1 2500 266 19 44 5| 0.6 3.8 4.4| 0.1 -30.8 -30.8 -12.3 -0.35| 5.0 -1.8 3000 265 19 39 5| 0.5 4.0 4.5| 0.1 -34.7 -34.7 -11.6 -0.45| 5.3 -2.4 4000 257 22 87 1| 0.4 4.6 5.0| 0.1 -53.7 -53.7 -13.4 -0.46| 6.1 -2.8 5000 240 26 182 8| 0.3 4.9 5.2| 0.1-124.9-124.9 -25.0 -0.47| 7.0 -3.3 6000 227 30 180 15| 0.2 5.4 5.6| 0.5-146.1-145.6 -24.3 -0.39| 7.3 -2.9 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250419.12.gif