UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 1 DEC 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 26 -1.7 -7.7 64 6.0 -3.6 100 3 270.1 270.4 268.5 275.8 2.10 1 1000 168 0.2 -7.8 55 8.0 -2.5 145 15 273.4 273.7 270.7 279.2 2.12 2 925 788 -4.5 -11.5 58 7.0 -6.5 190 23 274.7 275.0 270.8 279.5 1.71 3 881 1171 -5.9 -11.9 63 6.0 -7.7 176 20 277.1 277.4 272.3 282.1 1.74 4 850 1450 -8.7 -13.5 68 4.8 -10.0 165 17 277.0 277.3 272.1 281.6 1.58 5 816 1764 -11.7 -14.8 78 3.1 -12.5 178 19 277.1 277.4 271.9 281.4 1.48 6 810 1821 -10.9 -14.0 78 3.1 -11.7 180 19 278.5 278.8 272.9 283.1 1.60 7 792 1995 -7.9 -14.9 57 7.0 -9.8 187 20 283.5 283.8 275.6 288.0 1.52 8 754 2375 -10.3 -32.3 15 22.0 -13.9 202 22 285.0 285.0 274.6 286.0 0.34 9 700 2942 -14.7 -33.7 18 19.0 -17.5 225 25 286.2 286.3 275.2 287.2 0.32 10 554 4668 -25.9 -41.9 21 16.0 -27.3 263 25 292.7 292.8 278.3 293.3 0.17 11 500 5400 -31.7 -47.7 19 16.0 -32.7 280 25 294.4 294.4 279.0 294.7 0.10 12 452 6107 -36.5 -50.5 22 14.0 -37.2 278 30 297.0 297.0 280.1 297.3 0.08 13 400 6940 -44.1 -57.1 22 13.0 -44.5 275 35 297.7 297.7 280.4 297.8 0.04 14 360 7636 -50.9 -61.9 26 11.0 -51.1 262 27 297.7 297.7 280.3 297.8 0.03 15 300 8800 -59.5 -69.5 26 10.0 -59.6 240 13 301.5 301.5 282.0 301.5 0.01 16 257 9760 -63.9 -72.9 28 9.0 -64.0 230 48 308.6 308.6 284.8 308.7 0.01 17 255 9808 -63.7 -73.7 24 10.0 -63.8 231 47 309.6 309.6 285.2 309.6 0.01 18 250 9930 -62.1 -72.1 25 10.0 -62.1 235 46 313.7 313.7 286.6 313.8 0.01 19 200 11320 -59.9 -68.9 30 9.0 -60.0 220 23 337.9 337.9 293.8 338.0 0.02 20 150 13120 -57.1 -67.1 27 10.0 -57.3 235 35 371.7 371.7 300.9 371.8 0.03 21 100 15670 -58.5 -70.5 20 12.0 -58.8 220 33 414.7 414.7 307.1 414.8 0.03 22 72 17742 -55.1 -69.1 16 14.0 -55.7 225 38 462.8 462.8 312.0 463.0 0.05 23 70 17920 -57.3 -70.3 18 13.0 -57.8 225 38 461.8 461.8 312.0 462.0 0.04 24 56 19326 -60.5 -74.5 14 14.0 -60.9 222 37 484.9 484.9 313.8 485.1 0.03 25 53 19675 -54.7 -69.7 14 15.0 -55.6 221 36 506.1 506.1 315.4 506.4 0.06 26 50 20050 -53.1 -68.1 15 15.0 -54.2 220 36 518.3 518.4 316.2 518.9 0.08 27 47 20451 -50.9 -66.9 13 16.0 -52.3 215 35 532.9 532.9 317.1 533.5 0.10 28 46 20591 -51.3 -67.3 13 16.0 -52.7 213 35 535.2 535.2 317.3 535.8 0.10 29 40 21495 -53.9 -69.9 12 16.0 -55.1 203 33 550.5 550.5 318.2 551.0 0.08 30 32 22947 -48.3 -66.3 11 18.0 -50.8 185 30 601.8 601.8 320.7 603.0 0.16 31 30 23370 -50.7 -68.7 10 18.0 -52.9 180 29 606.4 606.5 320.9 607.3 0.12 32 24 24841 -47.1 -67.1 8 20.0 -50.7 197 22 656.8 656.9 323.0 658.4 0.19 33 21 25733 -44.3 -65.3 8 21.0 -49.1 206 18 690.9 691.0 324.2 693.3 0.28 34 20 26060 -46.1 -68.1 7 22.0 -50.5 210 17 695.1 695.2 324.3 696.8 0.20 35 16 27537 -48.1 -70.1 6 22.0 -52.5 734.3 734.4 325.6 736.1 0.19 36 12 29449 -44.5 -68.5 5 24.0 -51.3 810.1 810.2 327.5 813.3 0.32 37 10 30658 -48.9 -72.9 4 24.0 -54.6 837.0 837.1 328.1 839.1 0.20 TRP 257 9760 -63.9 -72.9 28 9.0 -64.0 230 48 308.6 308.6 284.8 308.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5232.00 m Freezing level: Surface below freezing Freezing level: 1001.89 mb = 153.02 m = 502.02 ft Freezing level: 996.81 mb = 194.38 m = 637.73 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 35.72 % Est. max temperature: 5.35 C = 41.63 F Sfc-Lift cond lev (LCL): 926.34 mb = 776.46 m = 2547.41 ft T: -4.41 C 700-500 lapse rate: 6.92 C/km ThetaE index: 1.98 C Layer 754.0- 700.0 mb Conv cond level (CCL): 817.86 mb = 1746.83 m = 5730.99 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 5.37 C = 41.67 F Cap Strength: 12.22 C Lifted Index: 12.93 C Risk: None Lifted Index @300 mb: 15.89 C Lifted Index @700 mb: 8.66 C Showalter Index: 11.00 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 18.20 C K Index: -9.50 Risk: None Sweat Index: 197.29 Risk: None Energy Index: 2.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.20 J/kg Max Up Vert Vel: 4.52 m/s Conv Inhibition (B-): 72620.05 J/kg Cap Strength: 12.91 C Lift Cond Lev (LCL): 861.37 mb = 1346.44 m = 4417.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 261 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 26 100 3 -3.0 0.5 | 84 20 -19.8 -2.1 1 1000 168 145 15 -8.6 12.3 | 111 27 -25.5 9.7 2 925 788 190 23 4.0 22.7 | 147 24 -12.9 20.0 3 850 1450 165 17 -4.4 16.4 | 123 25 -21.3 13.8 4 700 2942 225 25 17.7 17.7 | 183 15 0.8 15.1 5 500 5400 280 25 24.6 -4.3 | 312 10 7.7 -6.9 6 400 6940 275 35 34.9 -3.1 | 287 19 18.0 -5.7 7 300 8800 240 13 11.3 6.5 | 125 7 -5.6 3.9 8 257 9760 230 48 36.8 30.9 | 215 35 19.9 28.3 9 250 9930 235 46 37.7 26.4 | 221 32 20.8 23.8 10 200 11320 220 23 14.8 17.6 | 172 15 -2.1 15.0 11 150 13120 235 35 28.7 20.1 | 214 21 11.8 17.5 12 100 15670 220 33 21.2 25.3 | 191 23 4.3 22.7 13 70 17920 225 38 26.9 26.9 | 202 26 10.0 24.3 14 50 20050 220 36 23.1 27.6 | 194 26 6.3 25.0 15 30 23370 180 29 0.0 29.0 | 147 31 -16.9 26.4 16 20 26060 210 17 8.5 14.7 | 145 15 -8.4 12.1 Wind Parameters Mean winds (0-6000m): 231.2 at 22.8 knts Storm direction: 261.2 at 17.1 knts Shear (0-3000m) pos: 5.6 neg: 0.9 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 101.4 deg Storm rel helicity (0-3000m) pos: 294.3 neg: -62.0 tot: 232.3 m^2/s^2 ave: 77.4 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 6.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 75.00 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 ------------------------------------------------------------------------------- 500 156 15 116 25| 19.4 0.0 19.4|134.8 0.0 134.8 269.6 0.89| 23.4 20.9 1000 174 18 130 24| 10.6 0.0 10.6|180.3 -21.4 158.9 158.9 0.71| 17.2 12.3 1500 174 18 130 24| 7.1 1.9 9.0|184.3 -62.0 122.3 81.5 0.45| 13.8 6.3 2000 175 18 131 24| 6.5 1.4 7.9|225.3 -62.0 163.2 81.6 0.52| 12.2 6.4 2500 181 19 135 23| 6.0 1.1 7.2|263.2 -62.0 201.2 80.5 0.58| 11.4 6.6 3000 190 20 142 22| 5.6 0.9 6.5|294.3 -62.0 232.3 77.4 0.61| 10.9 6.7 4000 205 21 154 19| 4.2 0.7 4.9|318.6 -62.0 256.5 64.1 0.64| 9.4 6.0 5000 218 22 167 15| 3.3 0.6 3.9|339.3 -62.0 277.3 55.5 0.68| 8.5 5.8 6000 231 23 184 12| 2.8 0.3 3.1|347.2 -70.1 277.2 46.2 0.63| 7.8 4.9 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251201.12.gif