UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 24 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 1018 49 -12.1 -14.5 82 2.4 -12.6 90 15 259.7 259.9 259.5 263.0 1.22 1 1012 94 -12.5 -15.3 80 2.8 -13.1 95 18 259.8 259.9 259.3 262.9 1.15 2 1000 186 -9.3 -12.4 78 3.1 -10.1 105 25 263.9 264.1 263.1 267.8 1.47 3 984 312 -3.9 -8.9 68 5.0 -5.4 106 26 270.5 270.8 268.6 275.9 1.98 4 934 723 -2.5 -21.5 22 19.0 -6.9 109 29 276.0 276.1 270.0 278.2 0.73 5 925 799 -3.1 -24.1 18 21.0 -7.6 110 29 276.1 276.2 269.8 277.9 0.59 6 918 859 -3.3 -25.3 16 22.0 -7.9 109 28 276.5 276.6 270.0 278.1 0.53 7 850 1465 -5.9 -22.9 25 17.0 -9.6 100 19 280.0 280.1 272.3 282.1 0.71 8 807 1869 -8.7 -20.7 37 12.0 -11.4 95 18 281.2 281.3 273.4 283.9 0.91 9 795 1985 -8.9 -20.9 37 12.0 -11.6 93 18 282.2 282.3 273.9 284.9 0.91 10 756 2374 -9.1 -33.1 12 24.0 -13.1 88 18 286.0 286.1 275.1 287.0 0.31 11 747 2467 -9.9 -34.9 11 25.0 -13.8 87 18 286.2 286.2 275.1 287.0 0.26 12 700 2964 -13.5 -36.5 13 23.0 -16.7 80 17 287.5 287.6 275.8 288.3 0.24 13 502 5421 -26.9 -48.9 11 22.0 -28.6 65 27 299.9 299.9 281.4 300.2 0.09 14 500 5450 -27.3 -49.3 11 22.0 -28.9 65 27 299.8 299.8 281.4 300.1 0.09 15 400 7020 -39.7 -52.7 24 13.0 -40.2 55 25 303.4 303.4 282.8 303.7 0.07 16 372 7514 -43.1 -55.1 26 12.0 -43.5 50 24 305.2 305.3 283.6 305.5 0.06 17 335 8214 -47.9 -59.9 24 12.0 -48.2 43 23 308.0 308.0 284.6 308.1 0.04 18 300 8940 -49.9 -62.9 20 13.0 -50.2 35 21 315.0 315.0 287.1 315.1 0.03 19 273 9552 -52.5 -65.5 19 13.0 -52.7 35 23 319.9 319.9 288.7 319.9 0.02 20 269 9647 -52.7 -65.7 19 13.0 -52.9 38 23 320.9 320.9 289.0 321.0 0.02 21 250 10120 -52.3 -65.3 19 13.0 -52.5 50 21 328.3 328.3 291.3 328.4 0.02 22 200 11570 -50.7 -65.7 15 15.0 -51.1 45 15 352.5 352.5 297.2 352.6 0.03 23 181 12222 -48.5 -64.5 14 16.0 -49.0 71 12 366.3 366.3 299.9 366.4 0.04 24 150 13450 -50.3 -68.3 10 18.0 -50.8 120 5 383.4 383.4 302.8 383.5 0.03 25 116 15114 -53.7 -72.7 8 19.0 -54.2 117 9 406.4 406.4 306.0 406.4 0.02 26 100 16070 -52.5 -72.5 7 20.0 -53.2 115 11 426.3 426.3 308.4 426.4 0.02 27 74 18021 -52.5 -73.5 6 21.0 -53.4 145 8 464.6 464.6 312.2 464.8 0.02 28 70 18380 -53.1 -74.1 6 21.0 -54.0 150 7 470.8 470.8 312.7 470.9 0.02 29 50 20560 -51.3 -74.3 5 23.0 -52.7 115 5 522.6 522.6 316.5 522.8 0.03 30 47 20962 -51.1 -74.1 5 23.0 -52.7 532.4 532.4 317.1 532.6 0.04 31 47 20962 -50.9 -73.9 5 23.0 -52.5 532.9 532.9 317.1 533.1 0.04 32 33 23252 -53.3 -76.3 4 23.0 -55.0 583.2 583.2 319.8 583.5 0.04 TRP 273 9552 -52.5 -65.5 19 13.0 -52.7 35 23 319.9 319.9 288.7 319.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5264.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 21.16 % Est. max temperature: 7.31 C = 45.15 F Sfc-Lift cond lev (LCL): 979.29 mb = 349.30 m = 1145.99 ft T: -3.77 C 700-500 lapse rate: 5.55 C/km ThetaE index: 0.26 C Layer 925.0- 918.0 mb Conv cond level (CCL): 588.82 mb = 4242.33 m = 13918.24 ft Mean mixing ratio: 1.27 g/kg Conv temperature: 22.36 C = 72.25 F Cap Strength: 21.30 C Lifted Index: 21.14 C Risk: None Lifted Index @300 mb: 28.89 C Lifted Index @700 mb: 13.55 C Showalter Index: 14.98 C Risk: None Total Totals Index: 25.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 4.40 C K Index: -24.50 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 3.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 65.54 J/kg Max Up Vert Vel: 11.45 m/s Conv Inhibition (B-): 45672.73 J/kg Cap Strength: 21.20 C Lift Cond Lev (LCL): 830.78 mb = 1643.07 m = 5390.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 113 at 17 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 1018 49 90 15 -15.0 0.0 | 357 6 0.3 -6.4 1 1000 186 105 25 -24.1 6.5 | 90 9 -8.8 0.0 2 925 799 110 29 -27.3 9.9 | 106 12 -11.9 3.5 3 850 1465 100 19 -18.7 3.3 | 47 5 -3.4 -3.1 4 700 2964 80 17 -16.7 -3.0 | 9 10 -1.4 -9.4 5 500 5450 65 27 -24.5 -11.4 | 27 20 -9.2 -17.9 6 400 7020 55 25 -20.5 -14.3 | 14 21 -5.2 -20.8 7 300 8940 35 21 -12.0 -17.2 | 352 24 3.3 -23.6 8 273 9552 35 23 -13.2 -18.8 | 355 25 2.1 -25.3 9 250 10120 50 21 -16.1 -13.5 | 2 20 -0.8 -19.9 10 200 11570 45 15 -10.6 -10.6 | 345 18 4.7 -17.1 11 150 13450 120 5 -4.3 2.5 | 290 12 11.0 -3.9 12 100 16070 115 11 -10.0 4.6 | 289 6 5.3 -1.8 13 70 18380 150 7 -3.5 6.1 | 272 12 11.8 -0.4 14 50 20560 115 5 -4.5 2.1 | 292 12 10.8 -4.3 Wind Parameters Mean winds (0-6000m): 82.8 at 22.1 knts Storm direction: 112.8 at 16.6 knts Shear (0-3000m) pos: 2.4 neg: 2.5 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 13.0 deg Storm rel helicity (0-3000m) pos: 24.7 neg: -21.9 tot: 2.8 m^2/s^2 ave: 0.9 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.86 Bulk Shear: 11.19 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 ------------------------------------------------------------------------------- 500 105 24 89 8| 14.3 0.0 14.3| 21.3 0.0 21.3 42.5 0.89| 15.0 13.4 1000 107 26 97 10| 7.1 1.2 8.3| 24.1 -5.6 18.5 18.5 0.60| 10.2 6.1 1500 106 25 92 8| 4.8 3.2 7.9| 24.1 -14.4 9.7 6.5 0.25| 9.2 2.3 2000 104 23 83 7| 3.6 2.8 6.4| 24.1 -16.8 7.3 3.6 0.17| 7.5 1.3 2500 102 22 72 7| 2.9 2.7 5.5| 24.1 -19.5 4.6 1.8 0.11| 6.5 0.7 3000 99 21 61 6| 2.4 2.5 4.9| 24.7 -21.9 2.8 0.9 0.08| 5.7 0.5 4000 94 21 47 7| 1.8 2.0 3.8| 31.9 -21.9 10.0 2.5 0.14| 4.9 0.7 5000 88 21 40 9| 1.4 1.9 3.3| 36.5 -21.9 14.6 2.9 0.15| 4.4 0.6 6000 83 22 36 11| 1.2 1.8 3.0| 37.3 -31.9 5.4 0.9 0.10| 4.0 0.4 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250424.12.gif