UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 21 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 21 SFC 971 259 2.4 -13.6 30 16.0 -2.5 105 5 277.9 278.1 272.2 281.9 1.38 2 925 649 -1.5 -16.5 31 15.0 -5.6 125 13 277.8 278.0 271.8 281.1 1.14 3 850 1313 -7.9 -19.9 37 12.0 -10.6 135 15 277.9 278.0 271.5 280.6 0.93 4 787 1905 -13.9 -21.9 51 8.0 -15.4 147 14 277.6 277.8 271.2 280.1 0.84 5 700 2782 -21.3 -25.3 70 4.0 -21.9 165 13 278.9 279.0 271.7 281.0 0.70 6 686 2931 -21.7 -25.5 71 3.8 -22.3 169 12 280.1 280.2 272.4 282.2 0.70 7 682 2974 -21.9 -25.7 71 3.8 -22.5 170 12 280.3 280.4 272.5 282.4 0.69 8 566 4325 -29.3 -33.4 68 4.1 -29.7 206 7 287.0 287.0 275.7 288.2 0.40 9 500 5200 -35.3 -39.7 64 4.4 -35.6 230 3 290.0 290.0 277.0 290.8 0.24 10 400 6710 -47.9 -52.6 58 4.7 -48.0 180 9 292.7 292.7 278.2 293.0 0.07 11 376 7116 -50.5 -55.2 57 4.7 -50.6 190 9 294.5 294.5 279.0 294.7 0.06 12 354 7508 -51.7 -56.5 56 4.8 -51.8 200 9 298.0 298.0 280.6 298.2 0.05 13 310 8374 -48.7 -54.7 50 6.0 -48.9 216 9 313.8 313.8 286.8 314.0 0.07 14 300 8590 -48.5 -54.5 50 6.0 -48.7 220 9 317.0 317.0 287.9 317.3 0.08 15 250 9790 -46.7 -56.7 31 10.0 -47.1 250 11 336.6 336.7 293.6 336.9 0.07 16 200 11280 -45.7 -60.7 17 15.0 -46.3 275 11 360.4 360.4 298.8 360.6 0.05 17 188 11694 -43.7 -59.7 15 16.0 -44.5 275 13 370.1 370.1 300.7 370.4 0.07 18 150 13200 -46.7 -64.7 11 18.0 -47.5 275 19 389.6 389.6 303.8 389.8 0.04 19 128 14246 -47.7 -66.7 9 19.0 -48.6 250 16 405.9 405.9 306.0 406.1 0.04 20 111 15184 -47.9 -67.9 8 20.0 -48.8 227 13 422.4 422.4 308.0 422.6 0.04 21 100 15870 -48.3 -68.3 8 20.0 -49.3 210 11 434.4 434.4 309.3 434.6 0.04 22 70 18230 -46.5 -67.5 7 21.0 -48.2 230 11 484.9 484.9 313.8 485.3 0.06 23 60 19253 -47.9 -68.9 7 21.0 -49.6 203 12 503.6 503.7 315.2 504.0 0.06 24 50 20450 -51.5 -72.5 6 21.0 -52.9 170 13 522.1 522.1 316.5 522.4 0.04 25 48 20714 -52.5 -73.5 6 21.0 -53.8 168 12 525.9 525.9 316.7 526.1 0.04 26 46 20990 -51.1 -72.1 6 21.0 -52.7 167 11 535.7 535.7 317.3 536.0 0.05 27 33 23150 -51.1 -72.1 6 21.0 -53.1 154 5 589.1 589.1 320.1 589.6 0.07 28 30 23770 -51.3 -73.3 6 22.0 -53.5 150 3 604.8 604.8 320.9 605.3 0.06 29 23 25506 -48.5 -70.5 6 22.0 -51.8 134 7 660.8 660.8 323.1 661.8 0.12 30 21 26101 -50.5 -72.5 6 22.0 -53.5 128 8 672.2 672.2 323.5 673.0 0.10 31 20 26420 -49.5 -71.5 6 22.0 -52.9 125 9 684.7 684.7 324.0 685.7 0.12 32 17 27488 -48.3 -70.3 6 22.0 -52.5 721.1 721.2 325.1 722.6 0.17 TRP 354 7508 -51.7 -56.5 56 4.8 -51.8 200 9 298.0 298.0 280.6 298.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5179.00 m Freezing level: 942.69 mb = 499.04 m = 1637.27 ft Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 56.92 % Est. max temperature: 2.30 C = 36.14 F Sfc-Lift cond lev (LCL): 755.97 mb = 2205.99 m = 7237.41 ft T: -16.44 C 700-500 lapse rate: 5.79 C/km ThetaE index: 1.74 C Layer 925.0- 700.0 mb Conv cond level (CCL): 722.34 mb = 2546.71 m = 8355.24 ft Mean mixing ratio: 1.15 g/kg Conv temperature: 3.09 C = 37.57 F Cap Strength: 5.84 C Lifted Index: 7.69 C Risk: None Lifted Index @300 mb: 25.43 C Lifted Index @700 mb: 0.48 C Showalter Index: 8.16 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 27.40 C Cross Totals Index: 15.40 C K Index: 3.50 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 2.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.44 J/kg Max Up Vert Vel: 1.69 m/s Conv Inhibition (B-): 60295.14 J/kg Cap Strength: 7.68 C Lift Cond Lev (LCL): 730.52 mb = 2462.41 m = 8078.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 188 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 ---------------------------------------------------------- 0 971 259 105 5 -4.8 1.3 | 45 8 -5.9 -5.8 1 925 649 125 13 -10.6 7.5 | 92 12 -11.7 0.4 2 850 1313 135 15 -10.6 10.6 | 107 12 -11.7 3.5 3 700 2782 165 13 -3.4 12.6 | 141 7 -4.4 5.5 4 500 5200 230 3 2.3 1.9 | 347 5 1.2 -5.2 5 400 6710 180 9 0.0 9.0 | 151 2 -1.1 1.9 6 354 7508 200 9 3.1 8.5 | 236 2 2.0 1.4 7 300 8590 220 9 5.8 6.9 | 273 5 4.7 -0.2 8 250 9790 250 11 10.3 3.8 | 290 10 9.3 -3.3 9 200 11280 275 11 11.0 -1.0 | 309 13 9.9 -8.1 10 150 13200 275 19 18.9 -1.7 | 296 20 17.9 -8.8 11 100 15870 210 11 5.5 9.5 | 241 5 4.4 2.4 12 70 18230 230 11 8.4 7.1 | 270 7 7.4 -0.0 13 50 20450 170 13 -2.3 12.8 | 150 7 -3.3 5.7 14 30 23770 150 3 -1.5 2.6 | 30 5 -2.6 -4.5 15 20 26420 125 9 -7.4 5.2 | 77 9 -8.4 -1.9 Wind Parameters Mean winds (0-6000m): 158.5 at 9.6 knts Storm direction: 188.5 at 7.2 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 113.9 deg Storm rel helicity (0-3000m) pos: 47.1 neg: 0.0 tot: 47.1 m^2/s^2 ave: 15.7 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 5.11 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 ------------------------------------------------------------------------------- 500 121 10 78 10| 9.1 0.0 9.1| 22.1 0.0 22.1 44.1 0.92| 9.4 8.7 1000 127 12 91 11| 5.5 0.0 5.5| 29.5 0.0 29.5 29.5 0.93| 5.9 5.5 1500 131 13 98 11| 3.8 0.0 3.8| 35.7 0.0 35.7 23.8 0.90| 4.9 4.4 2000 136 13 103 11| 2.9 0.0 2.9| 40.5 0.0 40.5 20.2 0.88| 4.3 3.8 2500 141 13 108 10| 2.3 0.0 2.3| 44.3 0.0 44.3 17.7 0.86| 4.0 3.4 3000 145 13 113 9| 1.8 0.0 1.8| 47.1 0.0 47.1 15.7 0.81| 3.9 3.1 4000 152 12 118 8| 1.2 0.0 1.2| 49.7 0.0 49.7 12.4 0.80| 3.7 3.0 5000 154 11 112 6| 0.7 0.0 0.7| 52.4 -0.1 52.3 10.5 0.78| 3.4 2.7 6000 158 10 112 5| 0.6 0.4 1.0| 52.4 -2.0 50.3 8.4 0.61| 3.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250421.12.gif