UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 5 DEC 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 45 -29.5 -32.9 72 3.4 -29.7 50 5 243.4 243.5 243.2 244.1 0.24 1 1000 66 -28.1 -32.0 69 3.9 -28.4 55 9 245.1 245.1 244.8 245.8 0.26 2 989 146 -26.5 -30.1 72 3.6 -26.8 59 11 247.4 247.5 247.1 248.3 0.32 3 970 288 -19.5 -23.0 74 3.5 -20.0 67 14 255.9 256.0 255.1 257.6 0.62 4 938 540 -14.9 -18.1 77 3.2 -15.5 80 19 263.0 263.2 261.5 265.7 0.98 5 925 646 -14.5 -17.6 77 3.1 -15.1 85 21 264.5 264.6 262.7 267.3 1.04 6 882 1007 -12.3 -16.5 71 4.2 -13.2 85 22 270.4 270.6 267.2 273.7 1.19 7 850 1288 -14.3 -21.3 55 7.0 -15.6 85 23 271.2 271.3 267.0 273.5 0.82 8 841 1369 -14.5 -21.5 55 7.0 -15.8 85 24 271.8 271.9 267.4 274.1 0.81 9 782 1918 -16.7 -19.7 78 3.0 -17.3 87 28 275.1 275.3 270.0 278.1 1.02 10 700 2744 -20.7 -23.9 75 3.2 -21.2 90 35 279.6 279.7 272.3 281.9 0.79 11 693 2818 -21.1 -24.3 75 3.2 -21.6 93 35 279.9 280.1 272.5 282.2 0.77 12 674 3024 -21.3 -24.6 75 3.3 -21.8 102 34 281.9 282.1 273.6 284.3 0.77 13 630 3520 -23.1 -29.1 58 6.0 -23.9 123 33 285.4 285.5 275.1 287.1 0.55 14 574 4194 -29.1 -39.1 37 10.0 -29.9 152 31 286.0 286.1 275.0 286.8 0.22 15 554 4447 -31.1 -40.1 41 9.0 -31.8 163 31 286.6 286.6 275.2 287.3 0.21 16 521 4885 -27.7 -37.7 38 10.0 -28.7 182 30 295.8 295.8 279.9 296.7 0.29 17 500 5180 -29.5 -36.5 51 7.0 -30.2 195 29 297.1 297.1 280.6 298.2 0.34 18 440 6081 -34.7 -39.5 62 4.8 -35.1 186 39 301.6 301.6 282.4 302.5 0.28 19 400 6740 -38.5 -43.3 61 4.8 -38.8 180 46 305.0 305.0 283.7 305.7 0.21 20 369 7289 -42.5 -47.2 60 4.7 -42.8 183 52 306.7 306.8 284.3 307.3 0.15 21 320 8242 -46.3 -50.6 62 4.3 -46.5 188 63 314.2 314.3 287.0 314.7 0.12 22 310 8453 -46.1 -50.4 62 4.3 -46.3 189 65 317.4 317.4 288.1 317.8 0.12 23 300 8670 -47.7 -52.2 60 4.5 -47.9 190 68 318.1 318.1 288.2 318.5 0.10 24 250 9860 -56.1 -60.2 60 4.1 -56.2 195 93 322.7 322.7 289.6 322.8 0.05 25 203 11150 -64.5 -68.8 55 4.3 -64.6 205 122 329.2 329.2 291.5 329.3 0.02 26 200 11240 -65.1 -69.4 55 4.3 -65.1 205 118 329.7 329.7 291.6 329.7 0.02 27 187 11653 -62.7 -67.3 54 4.6 -62.7 201 108 339.9 339.9 294.3 340.0 0.02 28 150 13010 -63.9 -68.5 53 4.6 -64.0 190 75 360.0 360.0 298.7 360.1 0.03 29 113 14747 -64.3 -69.1 52 4.8 -64.4 200 63 389.6 389.6 303.8 389.8 0.03 30 100 15500 -62.1 -67.1 51 5.0 -62.2 205 58 407.7 407.8 306.3 408.0 0.05 31 70 17700 -62.3 -68.3 44 6.0 -62.5 205 54 451.1 451.1 311.0 451.4 0.06 32 55 19190 -62.1 -69.1 39 7.0 -62.4 483.8 483.8 313.8 484.2 0.06 TRP 200 11240 -65.1 -69.4 55 4.3 -65.1 205 118 329.7 329.7 291.6 329.7 0.02 WND 203 11150 -64.5 -68.8 55 4.3 -64.6 205 122 329.2 329.2 291.5 329.3 0.02 Sounding variables and indices 1000-500 mb thick: 5114.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 61.95 % Est. max temperature: -1.83 C = 28.71 F Sfc-Lift cond lev (LCL): 946.91 mb = 469.14 m = 1539.15 ft T: -16.20 C 700-500 lapse rate: 3.61 C/km ThetaE index: 0.22 C Layer 850.0- 841.0 mb Conv cond level (CCL): 1000.00 mb = 66.00 m = 216.53 ft Mean mixing ratio: 0.76 g/kg Conv temperature: -20.11 C = -4.20 F Cap Strength: 29.53 C Lifted Index: 30.19 C Risk: None Lifted Index @300 mb: 40.99 C Lifted Index @700 mb: 17.89 C Showalter Index: 19.52 C Risk: None Total Totals Index: 23.40 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 8.20 C K Index: -9.30 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 5.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 86.85 J/kg Max Up Vert Vel: 13.18 m/s Conv Inhibition (B-): 38603.21 J/kg Cap Strength: 30.01 C Lift Cond Lev (LCL): 915.39 mb = 725.24 m = 2379.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 152 at 22 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 45 50 5 -3.8 -3.2 | 345 23 6.2 -22.3 1 1000 66 55 9 -7.4 -5.2 | 354 24 2.6 -24.3 2 925 646 85 21 -20.9 -1.8 | 28 24 -10.9 -21.0 3 850 1288 85 23 -22.9 -2.0 | 31 25 -12.9 -21.1 4 700 2744 90 35 -35.0 0.0 | 53 31 -25.0 -19.1 5 500 5180 195 29 7.5 28.0 | 243 20 17.5 8.9 6 400 6740 180 46 0.0 46.0 | 200 29 10.0 26.9 7 300 8670 190 68 11.8 67.0 | 204 53 21.8 47.8 8 250 9860 195 93 24.1 89.8 | 206 78 34.1 70.7 9 203 11150 205 122 51.6 110.6 | 214 110 61.5 91.4 10 200 11240 205 118 49.9 106.9 | 214 106 59.9 87.8 11 150 13010 190 75 13.0 73.9 | 203 59 23.0 54.7 12 100 15500 205 58 24.5 52.6 | 226 48 34.5 33.4 13 70 17700 205 54 22.8 48.9 | 228 44 32.8 29.8 Wind Parameters Mean winds (0-6000m): 122.4 at 28.8 knts Storm direction: 152.4 at 21.6 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 79.3 deg Storm rel helicity (0-3000m) pos: 245.2 neg: 0.0 tot: 245.2 m^2/s^2 ave: 81.7 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 6.1 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 1.26 Bulk Shear: 68.85 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 71 14 7 24| 15.2 0.0 15.2| 98.6 0.0 98.6 197.2 0.99| 16.1 15.9 1000 80 17 18 23| 9.5 0.0 9.5|122.4 0.0 122.4 122.4 0.98| 10.1 9.9 1500 82 19 23 24| 7.3 0.0 7.3|139.1 0.0 139.1 92.7 0.96| 7.7 7.4 2000 84 21 27 24| 6.5 0.0 6.5|164.5 0.0 164.5 82.2 0.94| 6.9 6.5 2500 85 23 32 25| 6.1 0.0 6.1|191.0 0.0 191.0 76.4 0.93| 6.4 5.9 3000 87 25 36 25| 5.4 0.0 5.4|245.2 0.0 245.2 81.7 0.88| 6.9 6.1 4000 97 27 47 23| 4.2 0.0 4.2|333.8 0.0 333.8 83.4 0.84| 8.4 7.1 5000 106 28 56 20| 3.4 0.0 3.4|399.3 0.0 399.3 79.9 0.86| 9.1 7.8 6000 122 29 76 15| 3.2 0.5 3.7|407.4 -52.2 355.2 59.2 0.68| 8.7 5.9 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251205.00.gif