UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 29 APR 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 41 -10.7 -13.7 79 3.0 -11.4 110 7 261.3 261.5 260.8 264.8 1.30 1 1014 56 -11.3 -14.8 75 3.5 -12.1 111 7 260.8 261.0 260.3 264.0 1.19 2 1013 63 -12.7 -16.0 76 3.3 -13.3 111 7 259.5 259.7 259.0 262.4 1.08 3 1000 162 -13.3 -16.4 77 3.1 -13.9 115 9 259.9 260.0 259.2 262.7 1.06 4 967 417 -14.5 -17.2 80 2.7 -15.0 124 11 261.1 261.3 260.2 263.9 1.02 5 943 609 -9.3 -12.2 79 2.9 -10.1 130 12 268.3 268.6 266.5 272.7 1.59 6 925 758 -9.7 -13.3 75 3.6 -10.6 135 13 269.4 269.6 267.0 273.5 1.48 7 899 978 -10.1 -13.9 74 3.8 -11.1 132 12 271.2 271.4 268.2 275.2 1.45 8 886 1091 -10.1 -14.6 70 4.5 -11.2 130 11 272.3 272.5 268.8 276.2 1.39 9 851 1402 -9.5 -18.5 48 9.0 -11.6 125 9 276.1 276.3 270.6 279.1 1.04 10 850 1411 -9.5 -18.5 48 9.0 -11.6 125 9 276.2 276.4 270.7 279.2 1.04 11 818 1708 -7.9 -12.9 67 5.0 -9.4 122 11 280.9 281.2 274.5 285.9 1.73 12 766 2217 -10.3 -15.3 67 5.0 -11.6 117 13 283.7 283.9 275.7 288.1 1.52 13 700 2905 -14.5 -20.5 60 6.0 -15.8 110 17 286.4 286.6 276.5 289.7 1.07 14 502 5352 -29.3 -37.3 46 8.0 -30.1 130 21 297.0 297.0 280.4 298.0 0.31 15 500 5380 -29.5 -37.5 46 8.0 -30.3 130 21 297.1 297.1 280.5 298.1 0.30 16 400 6940 -39.9 -48.9 38 9.0 -40.4 125 21 303.1 303.2 282.8 303.5 0.11 17 300 8840 -53.1 -61.1 37 8.0 -53.2 110 27 310.5 310.5 285.5 310.6 0.03 18 266 9613 -57.7 -65.7 35 8.0 -57.8 105 25 314.7 314.7 287.0 314.7 0.02 19 250 10010 -54.1 -62.1 37 8.0 -54.2 105 17 325.6 325.6 290.5 325.8 0.04 20 245 10140 -53.3 -61.3 37 8.0 -53.5 103 17 328.7 328.7 291.4 328.9 0.04 21 200 11450 -51.5 -60.5 33 9.0 -51.8 85 13 351.2 351.2 297.0 351.5 0.06 22 190 11782 -49.5 -59.5 30 10.0 -49.9 82 12 359.6 359.6 298.7 359.9 0.07 23 150 13320 -49.5 -62.5 20 13.0 -50.0 70 5 384.8 384.8 303.1 385.0 0.06 24 100 15980 -49.1 -67.1 10 18.0 -50.0 50 7 432.9 432.9 309.1 433.1 0.05 25 85 17038 -51.1 -70.1 9 19.0 -52.0 59 5 449.4 449.4 310.8 449.6 0.04 26 70 18300 -49.9 -69.9 8 20.0 -51.1 70 3 477.6 477.6 313.3 477.9 0.04 27 50 20510 -50.5 -72.5 6 22.0 -52.1 90 5 524.5 524.5 316.6 524.7 0.04 28 49 20642 -50.5 -72.5 6 22.0 -52.1 527.5 527.5 316.8 527.8 0.04 29 43 21497 -48.9 -71.9 5 23.0 -51.0 551.5 551.5 318.2 551.9 0.05 30 42 21651 -48.5 -71.5 5 23.0 -50.7 556.2 556.3 318.5 556.6 0.06 31 31 23651 -48.3 -72.3 5 24.0 -51.1 607.2 607.3 321.0 607.8 0.07 TRP 266 9613 -57.7 -65.7 35 8.0 -57.8 105 25 314.7 314.7 287.0 314.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5218.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 60.78 % Est. max temperature: 2.55 C = 36.59 F Sfc-Lift cond lev (LCL): 968.15 mb = 407.82 m = 1337.97 ft T: -14.46 C 700-500 lapse rate: 6.06 C/km ThetaE index: 2.37 C Layer 1014.0-1000.0 mb Conv cond level (CCL): 615.79 mb = 3848.13 m = 12624.93 ft Mean mixing ratio: 1.25 g/kg Conv temperature: 18.74 C = 65.73 F Cap Strength: 24.53 C Lifted Index: 24.59 C Risk: None Lifted Index @300 mb: 30.67 C Lifted Index @700 mb: 18.23 C Showalter Index: 15.01 C Risk: None Total Totals Index: 31.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 11.00 C K Index: -4.50 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 4.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.41 J/kg Max Up Vert Vel: 10.04 m/s Conv Inhibition (B-): 49197.87 J/kg Cap Strength: 24.56 C Lift Cond Lev (LCL): 920.60 mb = 794.81 m = 2607.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 152 at 12 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 41 110 7 -6.6 2.4 | 7 8 -1.0 -8.2 1 1000 162 115 9 -8.2 3.8 | 21 7 -2.6 -6.7 2 925 758 135 13 -9.2 9.2 | 69 4 -3.6 -1.4 3 850 1411 125 9 -7.4 5.2 | 18 6 -1.8 -5.4 4 700 2905 110 17 -16.0 5.8 | 66 11 -10.4 -4.7 5 500 5380 130 21 -16.1 13.5 | 106 11 -10.5 3.0 6 400 6940 125 21 -17.2 12.0 | 97 12 -11.6 1.5 7 300 8840 110 27 -25.4 9.2 | 86 20 -19.8 -1.3 8 266 9613 105 25 -24.1 6.5 | 78 19 -18.6 -4.1 9 250 10010 105 17 -16.4 4.4 | 60 12 -10.8 -6.1 10 200 11450 85 13 -13.0 -1.1 | 32 14 -7.4 -11.7 11 150 13320 70 5 -4.7 -1.7 | 356 12 0.9 -12.3 12 100 15980 50 7 -5.4 -4.5 | 359 15 0.2 -15.0 13 70 18300 70 3 -2.8 -1.0 | 347 12 2.8 -11.6 14 50 20510 90 5 -5.0 0.0 | 357 11 0.6 -10.5 Wind Parameters Mean winds (0-6000m): 122.1 at 15.9 knts Storm direction: 152.1 at 11.9 knts Shear (0-3000m) pos: 0.9 neg: 1.3 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 60.5 deg Storm rel helicity (0-3000m) pos: 21.7 neg: -4.4 tot: 17.3 m^2/s^2 ave: 5.8 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 9.87 Bulk Shear: 5.10 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 ------------------------------------------------------------------------------- 500 120 10 26 6| 5.5 0.0 5.5| 7.9 0.0 7.9 15.8 0.80| 5.7 4.6 1000 127 11 39 5| 2.7 0.0 2.7| 9.8 -1.9 7.9 7.9 0.47| 4.8 2.3 1500 128 11 35 5| 1.8 0.7 2.5| 10.6 -4.4 6.3 4.2 0.24| 4.2 1.0 2000 126 11 36 5| 1.4 0.7 2.1| 14.8 -4.4 10.4 5.2 0.37| 3.9 1.4 2500 123 11 42 6| 1.1 1.1 2.2| 18.4 -4.4 14.1 5.6 0.40| 3.7 1.5 3000 120 12 48 7| 0.9 1.3 2.2| 21.7 -4.4 17.3 5.8 0.41| 3.5 1.4 4000 119 14 57 8| 1.1 1.0 2.0| 30.5 -4.4 26.1 6.5 0.48| 3.0 1.5 5000 120 15 67 8| 1.2 0.8 1.9| 39.7 -4.4 35.3 7.1 0.54| 2.8 1.5 6000 122 16 75 8| 1.1 0.7 1.7| 42.7 -6.2 36.5 6.1 0.53| 2.4 1.3 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250429.12.gif