UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 16 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 1003 43 -16.7 -19.5 79 2.8 -17.1 70 5 256.2 256.4 255.8 258.4 0.81 1 1001 58 -14.5 -17.1 81 2.6 -15.0 73 5 258.6 258.7 258.1 261.3 1.00 2 1000 66 -11.7 -14.0 83 2.3 -12.2 75 5 261.5 261.7 260.9 264.9 1.29 3 991 135 -10.1 -12.2 85 2.1 -10.6 92 5 263.7 264.0 263.1 267.8 1.51 4 925 664 -11.9 -15.1 77 3.2 -12.6 220 3 267.1 267.3 265.1 270.7 1.28 5 850 1311 -12.3 -15.5 77 3.2 -13.0 215 5 273.3 273.5 269.4 277.1 1.34 6 805 1725 -13.9 -17.4 75 3.5 -14.7 212 7 275.8 276.0 270.7 279.3 1.21 7 700 2776 -19.3 -22.5 76 3.2 -19.9 205 13 281.1 281.3 273.3 283.8 0.90 8 602 3880 -25.5 -27.9 80 2.4 -25.8 209 21 286.3 286.4 275.8 288.3 0.64 9 500 5200 -34.1 -36.6 78 2.5 -34.3 215 31 291.5 291.5 277.9 292.6 0.33 10 472 5603 -36.7 -38.8 81 2.1 -36.8 215 35 293.1 293.1 278.6 294.0 0.28 11 470 5632 -36.9 -39.0 81 2.1 -37.1 215 36 293.2 293.2 278.7 294.1 0.28 12 463 5736 -37.7 -39.8 81 2.1 -37.8 215 37 293.5 293.5 278.8 294.3 0.26 13 400 6740 -41.7 -47.7 52 6.0 -42.0 215 48 300.8 300.8 281.8 301.2 0.13 14 304 8573 -48.3 -58.3 31 10.0 -48.6 215 46 316.1 316.1 287.5 316.3 0.05 15 300 8660 -48.3 -58.3 31 10.0 -48.6 215 46 317.3 317.3 287.9 317.5 0.05 16 250 9860 -48.3 -61.3 21 13.0 -48.7 220 31 334.3 334.3 292.9 334.4 0.04 17 200 11330 -47.5 -63.5 14 16.0 -48.0 225 23 357.6 357.6 298.2 357.7 0.04 18 169 12448 -46.3 -65.3 10 19.0 -47.1 225 22 377.2 377.2 301.8 377.4 0.03 19 150 13240 -47.3 -67.3 8 20.0 -48.1 225 21 388.6 388.6 303.6 388.7 0.03 20 106 15527 -49.3 -73.3 4 24.0 -50.2 425.3 425.3 308.3 425.4 0.02 TRP 304 8573 -48.3 -58.3 31 10.0 -48.6 215 46 316.1 316.1 287.5 316.3 0.05 WND Sounding variables and indices 1000-500 mb thick: 5134.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 77.83 % Est. max temperature: 0.09 C = 32.16 F Sfc-Lift cond lev (LCL): 958.07 mb = 394.61 m = 1294.62 ft T: -10.98 C 700-500 lapse rate: 6.11 C/km ThetaE index: 0.00 C Layer 1003.0-635007559270400.0 mb Conv cond level (CCL): 1001.00 mb = 58.37 m = 191.50 ft Mean mixing ratio: 1.36 g/kg Conv temperature: -13.25 C = 8.14 F Cap Strength: 15.20 C Lifted Index: 18.32 C Risk: None Lifted Index @300 mb: 34.00 C Lifted Index @700 mb: 11.76 C Showalter Index: 12.11 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 18.60 C K Index: 3.10 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 3.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.08 J/kg Max Up Vert Vel: 5.85 m/s Conv Inhibition (B-): 22775.68 J/kg Cap Strength: 18.29 C Lift Cond Lev (LCL): 910.93 mb = 781.29 m = 2563.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 242 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 1003 43 70 5 -4.7 -1.7 | 64 18 -16.1 -7.8 1 1000 66 75 5 -4.8 -1.3 | 66 18 -16.2 -7.3 2 925 664 220 3 1.9 2.3 | 68 10 -9.4 -3.8 3 850 1311 215 5 2.9 4.1 | 77 9 -8.5 -2.0 4 700 2776 205 13 5.5 11.8 | 134 8 -5.9 5.7 5 500 5200 215 31 17.8 25.4 | 198 20 6.4 19.3 6 400 6740 215 48 27.5 39.3 | 206 37 16.2 33.3 7 304 8573 215 46 26.4 37.7 | 205 35 15.0 31.6 8 300 8660 215 46 26.4 37.7 | 205 35 15.0 31.6 9 250 9860 220 31 19.9 23.7 | 206 20 8.6 17.7 10 200 11330 225 23 16.3 16.3 | 206 11 4.9 10.2 11 150 13240 225 21 14.8 14.8 | 202 9 3.5 8.8 Wind Parameters Mean winds (0-6000m): 212.0 at 17.2 knts Storm direction: 242.0 at 12.9 knts Shear (0-3000m) pos: 1.5 neg: 1.9 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 82.9 deg Storm rel helicity (0-3000m) pos: 40.7 neg: -5.4 tot: 35.3 m^2/s^2 ave: 11.8 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.38 Bulk Shear: 44.68 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 ------------------------------------------------------------------------------- 500 112 4 74 16| 7.6 0.0 7.6| 18.4 -1.9 16.5 32.9 0.40| 9.2 3.7 1000 174 4 79 12| 4.5 0.0 4.5| 20.0 -5.4 14.6 14.6 0.26| 6.0 1.5 1500 201 4 78 10| 3.0 0.7 3.7| 23.7 -5.4 18.4 12.3 0.34| 4.7 1.6 2000 206 5 81 9| 2.3 1.3 3.5| 28.9 -5.4 23.5 11.7 0.44| 4.2 1.9 2500 206 6 87 9| 1.8 1.6 3.4| 34.1 -5.4 28.7 11.5 0.52| 4.0 2.1 3000 206 7 94 8| 1.5 1.9 3.4| 40.7 -5.4 35.3 11.8 0.58| 3.9 2.2 4000 207 10 114 7| 2.1 1.4 3.5| 57.7 -5.4 52.4 13.1 0.63| 3.9 2.4 5000 210 14 141 7| 2.5 1.1 3.6| 77.8 -5.4 72.4 14.5 0.63| 3.9 2.4 6000 212 17 165 9| 2.5 1.4 3.9| 95.7 -5.4 90.4 15.1 0.55| 4.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250416.12.gif