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 U1946... Searching the city database file for: U1946 ... Date:1200Z 25 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 1019 44 -14.3 -16.9 81 2.6 -14.8 90 15 257.5 257.6 257.2 260.1 1.00 1 1008 126 -13.9 -17.3 75 3.4 -14.5 99 16 258.7 258.8 258.1 261.3 0.97 2 1000 187 -11.5 -15.2 74 3.7 -12.3 105 17 261.6 261.8 260.9 264.8 1.17 3 978 358 -7.1 -12.0 68 4.9 -8.4 116 15 267.7 268.0 266.0 272.0 1.55 4 964 471 -5.9 -12.9 58 7.0 -7.8 124 14 270.1 270.3 267.4 274.2 1.47 5 940 667 -6.9 -15.9 49 9.0 -9.1 137 12 271.0 271.2 267.5 274.3 1.18 6 925 792 -7.1 -16.1 49 9.0 -9.3 145 11 272.0 272.2 268.2 275.4 1.17 7 850 1450 -8.5 -15.5 57 7.0 -10.3 135 17 277.2 277.5 271.8 281.1 1.34 8 825 1681 -9.3 -15.3 62 6.0 -10.9 133 18 278.8 279.0 272.8 282.9 1.41 9 781 2104 -9.5 -29.5 18 20.0 -13.0 128 19 283.0 283.0 273.6 284.3 0.42 10 773 2183 -9.9 -28.9 20 19.0 -13.3 128 19 283.4 283.4 273.9 284.8 0.45 11 700 2942 -13.9 -28.9 27 15.0 -16.5 120 21 287.1 287.2 276.0 288.7 0.50 12 500 5420 -28.9 -44.9 20 16.0 -30.2 115 15 297.8 297.8 280.6 298.3 0.14 13 486 5622 -30.3 -46.3 19 16.0 -31.4 115 14 298.5 298.5 280.8 298.9 0.12 14 400 6980 -39.7 -54.7 19 15.0 -40.3 115 7 303.4 303.4 282.8 303.6 0.06 15 300 8880 -53.7 -64.7 25 11.0 -53.9 110 17 309.7 309.7 285.2 309.7 0.02 16 282 9276 -56.3 -67.3 24 11.0 -56.4 110 15 311.4 311.5 285.9 311.5 0.02 17 250 10050 -51.3 -62.3 26 11.0 -51.5 115 17 329.8 329.8 291.7 329.9 0.04 18 200 11510 -49.5 -63.5 18 14.0 -49.9 95 17 354.4 354.4 297.6 354.5 0.04 19 150 13400 -49.3 -67.3 10 18.0 -49.9 90 13 385.1 385.1 303.1 385.3 0.03 20 100 16040 -53.5 -74.5 6 21.0 -54.1 85 15 424.4 424.4 308.2 424.4 0.02 21 92 16579 -50.5 -72.5 6 22.0 -51.4 90 13 440.5 440.5 310.0 440.7 0.02 22 70 18350 -52.1 -75.1 5 23.0 -53.1 105 7 472.9 472.9 312.9 473.0 0.02 23 56 19796 -51.7 -75.7 4 24.0 -52.9 505.0 505.0 315.3 505.1 0.02 TRP 282 9276 -56.3 -67.3 24 11.0 -56.4 110 15 311.4 311.5 285.9 311.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5233.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 34.90 % Est. max temperature: 4.21 C = 39.59 F Sfc-Lift cond lev (LCL): 976.89 mb = 367.17 m = 1204.61 ft T: -7.01 C 700-500 lapse rate: 6.05 C/km ThetaE index: 0.00 C Layer 1019.0--18801214401986945146159104.0 mb Conv cond level (CCL): 608.89 mb = 3968.99 m = 13021.45 ft Mean mixing ratio: 1.27 g/kg Conv temperature: 20.03 C = 68.06 F Cap Strength: 16.02 C Lifted Index: 22.41 C Risk: None Lifted Index @300 mb: 27.61 C Lifted Index @700 mb: 16.02 C Showalter Index: 14.15 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 13.40 C K Index: -10.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 60.78 J/kg Max Up Vert Vel: 11.03 m/s Conv Inhibition (B-): 38892.30 J/kg Cap Strength: 22.17 C Lift Cond Lev (LCL): 876.56 mb = 1210.57 m = 3971.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 152 at 13 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 1019 44 90 15 -15.0 0.0 | 39 14 -9.0 -11.2 1 1000 187 105 17 -16.4 4.4 | 57 12 -10.4 -6.8 2 925 792 145 11 -6.3 9.0 | 8 2 -0.3 -2.1 3 850 1450 135 17 -12.0 12.0 | 98 6 -6.0 0.9 4 700 2942 120 21 -18.2 10.5 | 87 12 -12.2 -0.7 5 500 5420 115 15 -13.6 6.3 | 58 9 -7.6 -4.8 6 400 6980 115 7 -6.3 3.0 | 2 8 -0.3 -8.2 7 300 8880 110 17 -16.0 5.8 | 62 11 -10.0 -5.3 8 282 9276 110 15 -14.1 5.1 | 53 10 -8.1 -6.0 9 250 10050 115 17 -15.4 7.2 | 67 10 -9.4 -4.0 10 200 11510 95 17 -16.9 1.5 | 48 15 -10.9 -9.7 11 150 13400 90 13 -13.0 0.0 | 32 13 -7.0 -11.2 12 100 16040 85 15 -14.9 -1.3 | 36 15 -8.9 -12.5 13 70 18350 105 7 -6.8 1.8 | 5 9 -0.8 -9.3 Wind Parameters Mean winds (0-6000m): 121.7 at 16.9 knts Storm direction: 151.7 at 12.7 knts Shear (0-3000m) pos: 2.1 neg: 1.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 47.1 deg Storm rel helicity (0-3000m) pos: 19.0 neg: -7.2 tot: 11.8 m^2/s^2 ave: 3.9 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 0.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 35.95 Bulk Shear: 1.69 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 ------------------------------------------------------------------------------- 500 110 15 55 10| 9.8 0.0 9.8| 16.4 -0.4 16.0 32.0 0.40| 11.9 4.8 1000 122 14 56 7| 6.3 0.0 6.3| 17.4 -2.2 15.2 15.2 0.25| 9.0 2.2 1500 127 14 66 6| 4.2 1.5 5.7| 19.0 -2.3 16.7 11.2 0.27| 7.5 2.0 2000 128 15 74 6| 3.2 1.6 4.8| 19.0 -3.2 15.8 7.9 0.23| 6.2 1.4 2500 128 16 79 7| 2.5 1.7 4.2| 19.0 -4.8 14.2 5.7 0.19| 5.4 1.0 3000 126 17 81 8| 2.1 1.7 3.8| 19.0 -7.2 11.8 3.9 0.14| 4.8 0.7 4000 124 17 81 9| 1.6 1.0 2.6| 19.0 -13.3 5.7 1.4 0.07| 3.9 0.3 5000 123 17 79 9| 1.3 0.7 2.0| 19.0 -19.0 0.0 0.0 -0.00| 3.4 -0.0 6000 122 17 75 9| 1.1 0.5 1.6| 19.0 -27.5 -8.5 -1.4 -0.11| 3.2 -0.3 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250425.12.gif