UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:0000Z 8 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 1012 28 -9.7 -14.3 69 4.6 -10.8 60 3 262.6 262.8 261.7 265.9 1.25 1 1000 121 -6.7 -12.7 62 6.0 -8.2 85 9 266.5 266.7 264.9 270.4 1.44 2 983 255 -2.9 -11.9 50 9.0 -5.5 104 11 271.6 271.8 268.6 275.9 1.56 3 955 483 -3.9 -14.9 42 11.0 -6.8 135 15 272.8 273.0 268.9 276.4 1.26 4 925 733 -5.9 -13.9 53 8.0 -8.0 170 19 273.3 273.5 269.5 277.3 1.41 5 850 1393 -7.7 -12.7 67 5.0 -9.1 165 13 278.1 278.4 272.8 282.9 1.69 6 834 1540 -8.3 -13.3 67 5.0 -9.7 168 13 279.0 279.2 273.3 283.7 1.64 7 717 2695 -16.1 -19.8 73 3.7 -16.9 191 15 282.7 282.9 274.6 286.0 1.11 8 700 2875 -17.3 -21.2 72 3.9 -18.1 195 15 283.3 283.5 274.8 286.3 1.00 9 548 4670 -28.5 -33.4 63 4.9 -29.0 210 28 290.6 290.6 277.6 291.9 0.42 10 532 4881 -30.1 -34.9 63 4.8 -30.6 211 30 291.1 291.2 277.8 292.3 0.37 11 501 5306 -33.5 -38.5 61 5.0 -33.9 215 33 292.0 292.1 278.1 292.9 0.27 12 500 5320 -33.7 -38.7 61 5.0 -34.1 215 33 292.0 292.0 278.0 292.8 0.27 13 400 6840 -46.1 -52.1 51 6.0 -46.3 205 25 295.1 295.1 279.3 295.3 0.08 14 339 7920 -54.7 -60.7 47 6.0 -54.8 205 28 297.7 297.7 280.3 297.8 0.03 15 300 8700 -56.1 -63.1 41 7.0 -56.2 205 31 306.3 306.3 284.0 306.4 0.03 16 285 9026 -57.9 -64.9 40 7.0 -58.0 210 29 308.2 308.2 284.7 308.3 0.02 17 281 9116 -58.1 -65.1 40 7.0 -58.2 211 29 309.2 309.2 285.0 309.3 0.02 18 250 9860 -55.5 -63.5 36 8.0 -55.6 215 31 323.6 323.6 289.9 323.7 0.03 19 233 10312 -52.1 -60.1 38 8.0 -52.3 213 32 335.3 335.3 293.2 335.5 0.05 20 200 11300 -52.3 -62.3 29 10.0 -52.6 210 35 349.9 350.0 296.7 350.1 0.04 21 185 11806 -49.9 -60.9 26 11.0 -50.3 211 34 361.7 361.7 299.1 362.0 0.06 22 150 13170 -51.1 -66.1 15 15.0 -51.6 215 31 382.0 382.0 302.6 382.2 0.04 23 100 15810 -50.7 -69.7 9 19.0 -51.5 230 29 429.8 429.8 308.8 429.9 0.03 24 76 17602 -49.1 -70.1 7 21.0 -50.3 222 29 468.2 468.2 312.5 468.4 0.04 25 70 18140 -49.9 -71.9 6 22.0 -51.1 220 29 477.6 477.6 313.2 477.8 0.03 26 60 19146 -51.9 -73.9 5 22.0 -53.1 225 29 494.7 494.7 314.6 494.9 0.03 27 50 20340 -47.9 -70.9 5 23.0 -49.9 230 29 530.6 530.6 317.0 530.9 0.05 28 37 22324 -47.5 -71.5 5 24.0 -50.1 206 28 579.3 579.4 319.6 579.8 0.07 29 36 22506 -44.7 -69.7 4 25.0 -48.1 204 28 591.1 591.2 320.2 591.8 0.09 30 33 23082 -49.3 -74.3 4 25.0 -51.8 197 27 593.8 593.8 320.3 594.2 0.05 31 30 23710 -46.1 -72.1 4 26.0 -49.6 190 27 619.0 619.0 321.5 619.5 0.08 32 29 23936 -45.9 -71.9 4 26.0 -49.6 189 27 625.5 625.6 321.7 626.2 0.08 33 24 25188 -49.3 -74.3 4 25.0 -52.4 184 27 650.5 650.5 322.7 651.0 0.07 34 20 26390 -47.5 -73.5 3 26.0 -51.7 180 27 690.8 690.8 324.1 691.6 0.09 35 18 27090 -45.3 -71.3 4 26.0 -50.5 718.9 718.9 325.1 720.1 0.14 36 18 27090 -46.1 -72.1 4 26.0 -51.0 716.3 716.4 325.0 717.4 0.13 37 14 28746 -50.3 -75.3 4 25.0 -54.5 755.5 755.5 326.1 756.4 0.10 38 13 29233 -46.7 -72.7 4 26.0 -52.4 784.1 784.2 326.9 785.7 0.16 39 11 30334 -49.9 -74.9 4 25.0 -54.9 810.9 810.9 327.5 812.2 0.13 TRP 285 9026 -57.9 -64.9 40 7.0 -58.0 210 29 308.2 308.2 284.7 308.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5199.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 64.44 % Est. max temperature: 5.08 C = 41.14 F Sfc-Lift cond lev (LCL): 939.91 mb = 607.74 m = 1993.87 ft T: -4.90 C 700-500 lapse rate: 6.71 C/km Conv cond level (CCL): 698.22 mb = 2893.68 m = 9493.58 ft Mean mixing ratio: 1.40 g/kg Conv temperature: 11.22 C = 52.20 F Cap Strength: 14.12 C Lifted Index: 14.03 C Risk: None Lifted Index @300 mb: 22.04 C Lifted Index @700 mb: 9.05 C Showalter Index: 7.94 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 21.00 C K Index: 9.40 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 2.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.15 J/kg Max Up Vert Vel: 8.26 m/s Conv Inhibition (B-): 65347.45 J/kg Cap Strength: 14.00 C Lift Cond Lev (LCL): 838.31 mb = 1500.45 m = 4922.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 228 at 15 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 1012 28 60 3 -2.6 -1.5 | 50 18 -14.0 -11.6 1 1000 121 85 9 -9.0 -0.8 | 62 23 -20.4 -10.9 2 925 733 170 19 -3.3 18.7 | 120 17 -14.7 8.6 3 850 1393 165 13 -3.4 12.6 | 99 15 -14.8 2.4 4 700 2875 195 15 3.9 14.5 | 120 9 -7.5 4.3 5 500 5320 215 33 18.9 27.0 | 204 18 7.5 16.9 6 400 6840 205 25 10.6 22.7 | 176 13 -0.9 12.5 7 300 8700 205 31 13.1 28.1 | 185 18 1.7 17.9 8 285 9026 210 29 14.5 25.1 | 192 15 3.1 15.0 9 250 9860 215 31 17.8 25.4 | 203 17 6.4 15.2 10 200 11300 210 35 17.5 30.3 | 197 21 6.1 20.2 11 150 13170 215 31 17.8 25.4 | 203 17 6.4 15.2 12 100 15810 230 29 22.2 18.6 | 232 14 10.8 8.5 13 70 18140 220 29 18.6 22.2 | 211 14 7.2 12.1 14 50 20340 230 29 22.2 18.6 | 232 14 10.8 8.5 15 30 23710 190 27 4.7 26.6 | 158 18 -6.7 16.4 16 20 26390 180 27 0.0 27.0 | 146 20 -11.4 16.9 Wind Parameters Mean winds (0-6000m): 198.4 at 20.4 knts Storm direction: 228.4 at 15.3 knts Shear (0-3000m) pos: 3.6 neg: 0.5 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 77.4 deg Storm rel helicity (0-3000m) pos: 159.9 neg: -23.1 tot: 136.7 m^2/s^2 ave: 45.6 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 4.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.55 Bulk Shear: 62.18 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 ------------------------------------------------------------------------------- 500 117 11 77 22| 16.0 0.0 16.0|103.6 0.0 103.6 207.2 0.87| 20.8 18.2 1000 153 14 98 18| 9.0 0.0 9.0|144.0 -10.3 133.6 133.6 0.73| 16.4 12.0 1500 158 14 101 17| 6.0 1.1 7.1|145.2 -23.1 122.1 81.4 0.57| 12.3 7.0 2000 162 14 102 16| 4.7 0.8 5.6|150.5 -23.1 127.4 63.7 0.57| 9.8 5.6 2500 167 14 104 15| 4.0 0.6 4.6|154.8 -23.1 131.7 52.7 0.57| 8.4 4.8 3000 172 14 106 14| 3.6 0.5 4.1|159.9 -23.1 136.7 45.6 0.58| 7.5 4.4 4000 182 16 116 12| 3.7 0.4 4.1|178.7 -23.1 155.6 38.9 0.64| 6.6 4.2 5000 192 18 134 11| 3.7 0.3 4.0|202.1 -23.1 179.0 35.8 0.65| 6.2 4.0 6000 198 20 151 10| 3.2 0.4 3.6|210.1 -38.0 172.1 28.7 0.56| 5.7 3.2 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251208.00.gif