UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 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 1014 43 -10.1 -15.1 67 5.0 -11.2 110 7 262.0 262.2 261.1 265.2 1.16 1 1012 59 -12.1 -18.1 61 6.0 -13.2 108 8 260.2 260.3 259.2 262.6 0.91 2 1000 150 -12.5 -18.5 61 6.0 -13.6 95 11 260.6 260.8 259.5 263.1 0.89 3 927 726 -16.5 -19.9 75 3.4 -17.1 114 13 262.3 262.4 260.7 264.6 0.85 4 925 742 -16.3 -19.8 74 3.5 -16.9 115 13 262.6 262.8 261.0 265.0 0.86 5 920 783 -15.9 -19.5 74 3.6 -16.6 114 13 263.5 263.6 261.7 265.9 0.89 6 904 916 -11.3 -14.5 77 3.2 -12.1 110 12 269.5 269.7 266.9 273.3 1.37 7 850 1390 -9.7 -14.7 67 5.0 -11.0 95 11 276.0 276.2 271.2 280.1 1.44 8 832 1555 -8.9 -13.9 67 5.0 -10.2 97 12 278.5 278.8 272.9 283.0 1.57 9 755 2303 -11.3 -25.3 30 14.0 -14.0 107 16 283.8 283.9 274.4 285.8 0.65 10 720 2665 -13.7 -29.7 25 16.0 -16.3 112 18 285.0 285.1 274.8 286.4 0.45 11 700 2878 -14.9 -29.9 27 15.0 -17.3 115 19 286.0 286.1 275.3 287.4 0.46 12 500 5350 -29.1 -43.1 25 14.0 -30.3 120 19 297.6 297.6 280.5 298.1 0.17 13 485 5567 -30.3 -42.3 30 12.0 -31.3 120 20 298.7 298.7 281.0 299.3 0.19 14 400 6910 -39.3 -51.3 27 12.0 -39.9 120 23 303.9 303.9 283.1 304.2 0.08 15 341 7982 -46.9 -57.9 27 11.0 -47.2 123 35 307.8 307.8 284.5 307.9 0.05 16 300 8820 -51.5 -62.5 26 11.0 -51.7 125 44 312.8 312.8 286.4 312.9 0.03 17 277 9339 -54.7 -65.7 24 11.0 -54.9 121 41 315.4 315.4 287.2 315.4 0.02 18 269 9528 -55.3 -66.3 24 11.0 -55.5 120 40 317.1 317.1 287.8 317.2 0.02 19 250 10000 -54.3 -65.3 25 11.0 -54.5 120 29 325.3 325.3 290.4 325.4 0.02 20 222 10763 -54.5 -66.5 21 12.0 -54.7 112 22 336.3 336.3 293.4 336.4 0.02 21 202 11375 -49.7 -63.7 18 14.0 -50.1 106 16 353.1 353.1 297.3 353.2 0.04 22 200 11440 -49.9 -63.9 18 14.0 -50.3 105 15 353.8 353.8 297.5 353.9 0.04 23 150 13320 -49.7 -69.7 8 20.0 -50.3 110 13 384.4 384.4 302.9 384.5 0.02 24 145 13542 -49.5 -69.5 8 20.0 -50.1 109 12 388.5 388.5 303.6 388.6 0.02 25 100 15970 -50.1 -74.1 4 24.0 -51.0 95 5 430.9 430.9 308.9 431.0 0.02 26 70 18300 -49.5 -74.5 4 25.0 -50.8 75 7 478.5 478.5 313.4 478.6 0.02 27 51 20377 -48.9 -73.9 4 25.0 -50.7 525.3 525.3 316.6 525.5 0.03 TRP 269 9528 -55.3 -66.3 24 11.0 -55.5 120 40 317.1 317.1 287.8 317.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5200.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 41.21 % Est. max temperature: 2.20 C = 35.96 F Sfc-Lift cond lev (LCL): 935.65 mb = 655.15 m = 2149.42 ft T: -16.01 C 700-500 lapse rate: 5.74 C/km ThetaE index: 2.53 C Layer 1012.0-1000.0 mb Conv cond level (CCL): 544.34 mb = 4725.82 m = 15504.49 ft Mean mixing ratio: 0.88 g/kg Conv temperature: 22.71 C = 72.87 F Cap Strength: 20.53 C Lifted Index: 27.60 C Risk: None Lifted Index @300 mb: 34.50 C Lifted Index @700 mb: 20.53 C Showalter Index: 14.74 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 14.40 C K Index: -10.30 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 3.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.43 J/kg Max Up Vert Vel: 4.11 m/s Conv Inhibition (B-): 44403.77 J/kg Cap Strength: 27.52 C Lift Cond Lev (LCL): 891.89 mb = 1019.94 m = 3346.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 144 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 1014 43 110 7 -6.6 2.4 | 354 8 0.7 -7.6 1 1000 150 95 11 -11.0 1.0 | 22 10 -3.6 -9.1 2 925 742 115 13 -11.8 5.5 | 45 6 -4.5 -4.5 3 850 1390 95 11 -11.0 1.0 | 22 10 -3.6 -9.1 4 700 2878 115 19 -17.2 8.0 | 79 10 -9.9 -2.0 5 500 5350 120 19 -16.5 9.5 | 87 9 -9.1 -0.5 6 400 6910 120 23 -19.9 11.5 | 97 13 -12.6 1.5 7 300 8820 125 44 -36.0 25.2 | 118 33 -28.7 15.2 8 269 9528 120 40 -34.6 20.0 | 110 29 -27.3 10.0 9 250 10000 120 29 -25.1 14.5 | 104 18 -17.8 4.5 10 200 11440 105 15 -14.5 3.9 | 49 9 -7.2 -6.1 11 150 13320 110 13 -12.2 4.4 | 41 7 -4.9 -5.6 12 100 15970 95 5 -5.0 0.4 | 346 10 2.3 -9.6 13 70 18300 75 7 -6.8 -1.8 | 357 12 0.6 -11.8 Wind Parameters Mean winds (0-6000m): 113.9 at 16.5 knts Storm direction: 143.9 at 12.4 knts Shear (0-3000m) pos: 1.5 neg: 0.9 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 84.7 deg Storm rel helicity (0-3000m) pos: 39.5 neg: -6.2 tot: 33.4 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.69 Bulk Shear: 4.99 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 ------------------------------------------------------------------------------- 500 102 11 25 9| 0.0 5.5 5.5| 13.7 0.0 13.7 27.4 0.84| 7.6 6.4 1000 107 12 31 8| 0.0 2.6 2.6| 15.7 -2.9 12.8 12.8 0.51| 5.8 3.0 1500 105 12 30 8| 0.0 1.8 1.8| 17.5 -6.2 11.3 7.5 0.36| 4.8 1.7 2000 104 12 32 8| 0.8 1.3 2.1| 25.2 -6.2 19.1 9.5 0.47| 4.4 2.1 2500 105 13 37 8| 1.3 1.1 2.4| 33.4 -6.2 27.3 10.9 0.56| 4.2 2.3 3000 107 14 44 8| 1.5 0.9 2.4| 39.5 -6.2 33.4 11.1 0.60| 3.9 2.4 4000 110 15 54 8| 1.1 0.7 1.8| 41.0 -6.2 34.8 8.7 0.61| 3.0 1.8 5000 112 16 62 8| 0.9 0.5 1.5| 42.3 -6.2 36.2 7.2 0.61| 2.5 1.5 6000 114 17 67 8| 0.8 0.5 1.4| 45.1 -6.2 39.0 6.5 0.61| 2.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250429.00.gif