UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for U1824... Searching the city database file for: U1824 ... Date:1200Z 25 APR 25 Station: U1824 WMO ident: 21824 Latitude: 71.58 Longitude: 128.92 ------------------------------------------------------------------------------- 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 1016 -1 -10.1 -13.3 77 3.2 -10.8 360 1 261.9 262.1 261.3 265.5 1.35 1 1013 22 -11.1 -14.5 76 3.4 -11.8 17 1 261.1 261.3 260.5 264.4 1.22 2 1000 121 -12.1 -15.0 79 2.9 -12.7 90 1 261.0 261.2 260.5 264.3 1.19 3 979 283 -13.3 -15.8 81 2.5 -13.8 131 2 261.4 261.6 260.6 264.5 1.14 4 968 370 -5.7 -8.1 83 2.4 -6.4 153 2 269.9 270.3 268.5 275.8 2.14 5 932 668 -5.3 -7.1 87 1.8 -5.9 225 3 273.3 273.7 271.1 279.9 2.40 6 925 727 -5.1 -7.2 85 2.1 -5.8 240 3 274.1 274.5 271.6 280.7 2.40 7 887 1058 -3.9 -8.3 71 4.4 -5.4 233 5 278.6 279.0 274.1 285.2 2.30 8 850 1393 -5.7 -10.5 69 4.8 -7.2 225 7 280.2 280.5 274.5 286.0 2.02 9 780 2061 -10.1 -16.1 61 6.0 -11.6 201 8 282.4 282.7 274.8 286.5 1.39 10 759 2271 -9.9 -15.9 61 6.0 -11.5 193 8 284.9 285.1 276.2 289.2 1.46 11 700 2891 -13.5 -21.5 51 8.0 -15.3 170 9 287.5 287.7 276.9 290.5 0.98 12 654 3405 -16.7 -27.7 38 11.0 -18.6 163 11 289.6 289.7 277.4 291.5 0.60 13 546 4738 -25.7 -36.7 35 11.0 -26.9 144 15 294.2 294.3 279.2 295.2 0.30 14 500 5370 -30.7 -42.7 30 12.0 -31.6 135 17 295.6 295.6 279.6 296.2 0.18 15 400 6910 -42.1 -48.1 52 6.0 -42.4 150 17 300.3 300.3 281.6 300.7 0.12 16 370 7433 -45.9 -51.9 51 6.0 -46.1 154 16 302.0 302.0 282.3 302.3 0.09 17 354 7726 -47.5 -52.5 56 5.0 -47.7 156 16 303.7 303.7 283.0 304.0 0.08 18 300 8810 -51.7 -58.7 43 7.0 -51.8 165 15 312.5 312.5 286.3 312.7 0.05 19 288 9073 -53.5 -60.5 42 7.0 -53.7 165 15 313.6 313.6 286.6 313.7 0.04 20 283 9186 -52.3 -59.3 43 7.0 -52.5 161 15 316.9 316.9 287.8 317.1 0.05 21 250 9990 -50.9 -58.9 38 8.0 -51.1 135 15 330.4 330.4 291.9 330.6 0.05 22 223 10741 -47.9 -58.9 27 11.0 -48.3 132 18 346.0 346.0 295.8 346.2 0.06 23 200 11460 -48.1 -61.1 21 13.0 -48.6 130 21 356.6 356.6 298.1 356.8 0.05 24 175 12337 -47.7 -63.7 14 16.0 -48.3 132 20 371.1 371.2 300.8 371.3 0.04 25 150 13350 -48.5 -66.5 11 18.0 -49.2 135 19 386.5 386.5 303.3 386.7 0.03 26 100 16000 -50.1 -71.1 7 21.0 -51.0 145 15 430.9 430.9 309.0 431.1 0.03 27 89 16761 -51.7 -73.7 5 22.0 -52.5 135 14 442.3 442.3 310.1 442.4 0.02 28 70 18330 -49.3 -72.3 5 23.0 -50.6 115 11 478.9 478.9 313.4 479.1 0.03 29 68 18520 -48.9 -71.9 5 23.0 -50.3 115 11 483.8 483.8 313.8 484.0 0.03 30 50 20530 -50.7 -74.7 4 24.0 -52.2 110 7 524.0 524.0 316.6 524.2 0.03 31 30 23860 -51.3 -75.3 4 24.0 -53.5 130 5 604.8 604.8 320.9 605.1 0.05 32 23 25586 -51.3 -75.3 4 24.0 -54.0 120 8 652.5 652.6 322.8 653.0 0.06 33 20 26500 -48.3 -73.3 4 25.0 -52.2 115 9 688.3 688.4 324.1 689.1 0.09 34 18 27195 -46.9 -72.9 4 26.0 -51.5 116 10 713.8 713.9 324.9 714.8 0.11 35 12 29886 -45.9 -71.9 4 26.0 -52.2 119 15 805.1 805.2 327.4 807.0 0.19 36 11 30471 -40.7 -67.7 4 27.0 -49.7 119 16 844.3 844.5 328.4 848.3 0.38 37 10 31120 -40.7 -67.7 4 27.0 -50.1 120 17 867.6 867.8 328.8 872.2 0.42 38 7.6 32995 -39.1 -66.1 4 27.0 -50.5 944.9 945.3 330.4 953.1 0.69 TRP 288 9073 -53.5 -60.5 42 7.0 -53.7 165 15 313.6 313.6 286.6 313.7 0.04 WND Sounding variables and indices 1000-500 mb thick: 5249.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 54.01 % Est. max temperature: 7.63 C = 45.73 F Sfc-Lift cond lev (LCL): 965.12 mb = 393.75 m = 1291.80 ft T: -5.67 C 700-500 lapse rate: 6.94 C/km ThetaE index: 1.22 C Layer 1013.0- 979.0 mb Conv cond level (CCL): 1013.00 mb = 21.93 m = 71.95 ft Mean mixing ratio: 1.84 g/kg Conv temperature: -9.27 C = 15.31 F Cap Strength: 18.46 C Lifted Index: 19.03 C Risk: None Lifted Index @300 mb: 28.20 C Lifted Index @700 mb: 14.84 C Showalter Index: 8.60 C Risk: None Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 20.20 C K Index: 6.50 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.44 J/kg Max Up Vert Vel: 12.28 m/s Conv Inhibition (B-): 71700.54 J/kg Cap Strength: 18.97 C Lift Cond Lev (LCL): 935.70 mb = 636.72 m = 2088.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 188 at 8 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 1016 -1 360 1 -0.0 -1.0 | 7 9 -1.0 -8.5 1 1000 121 90 1 -1.0 0.0 | 15 8 -2.0 -7.5 2 925 727 240 3 2.6 1.5 | 345 6 1.6 -6.0 3 850 1393 225 7 4.9 4.9 | 303 5 3.9 -2.5 4 700 2891 170 9 -1.6 8.9 | 119 3 -2.6 1.4 5 500 5370 135 17 -12.0 12.0 | 109 14 -13.0 4.6 6 400 6910 150 17 -8.5 14.7 | 127 12 -9.5 7.3 7 300 8810 165 15 -3.9 14.5 | 145 9 -4.9 7.0 8 288 9073 165 15 -3.9 14.5 | 145 9 -4.9 7.0 9 250 9990 135 15 -10.6 10.6 | 105 12 -11.6 3.1 10 200 11460 130 21 -16.1 13.5 | 109 18 -17.1 6.0 11 150 13350 135 19 -13.4 13.4 | 112 16 -14.5 6.0 12 100 16000 145 15 -8.6 12.3 | 117 11 -9.6 4.8 13 70 18330 115 11 -10.0 4.6 | 76 11 -11.0 -2.8 14 50 20530 110 7 -6.6 2.4 | 56 9 -7.6 -5.1 15 30 23860 130 5 -3.8 3.2 | 49 6 -4.9 -4.2 16 20 26500 115 9 -8.2 3.8 | 68 10 -9.2 -3.7 17 10 31120 120 17 -14.7 8.5 | 94 16 -15.7 1.0 Wind Parameters Mean winds (0-6000m): 157.8 at 10.0 knts Storm direction: 187.8 at 7.5 knts Shear (0-3000m) pos: 0.6 neg: 1.9 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 113.6 deg Storm rel helicity (0-3000m) pos: 3.6 neg: -12.6 tot: -9.0 m^2/s^2 ave: -3.0 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 3.3 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.72 Bulk Shear: 9.77 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 ------------------------------------------------------------------------------- 500 148 1 16 6| 0.0 3.3 3.3| 3.5 -1.4 2.1 4.2 0.17| 4.5 0.8 1000 233 2 352 6| 1.9 1.7 3.5| 3.5 -7.0 -3.5 -3.5 -0.36| 4.4 -1.6 1500 228 4 342 5| 1.2 2.1 3.3| 3.5 -10.5 -7.0 -4.6 -0.50| 4.0 -2.0 2000 221 5 334 4| 0.9 2.0 2.9| 3.5 -11.4 -7.9 -4.0 -0.49| 3.6 -1.8 2500 211 5 330 3| 0.7 1.9 2.7| 3.5 -12.0 -8.5 -3.4 -0.54| 3.5 -1.9 3000 201 6 331 2| 0.6 1.9 2.5| 3.6 -12.6 -9.0 -3.0 -0.52| 3.3 -1.7 4000 184 7 54 1| 0.5 1.9 2.4| 3.7 -13.0 -9.3 -2.3 -0.43| 3.0 -1.3 5000 169 9 110 3| 0.4 1.9 2.3| 3.7 -16.8 -13.0 -2.6 -0.41| 2.9 -1.2 6000 158 10 111 5| 0.4 1.7 2.1| 9.3 -19.3 -10.0 -1.7 -0.34| 2.7 -0.9 Wrote GIF file: /home/apache/climate/data/raob//U1824/skewt/U1824.skewt.20250425.12.gif