UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 28 OCT 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 ------------------------------------------------------------------------------- 0 1000 -62 SFC 989 28 4.4 -6.6 45 11.0 0.3 65 5 278.4 278.8 274.0 285.1 2.35 2 943 414 2.8 -10.2 38 13.0 -1.6 93 22 280.6 280.9 274.5 286.0 1.86 3 925 570 1.6 -11.4 37 13.0 -2.7 105 29 280.9 281.2 274.5 285.9 1.73 4 850 1244 -4.1 -12.1 54 8.0 -6.5 120 33 281.9 282.2 275.1 287.0 1.78 5 822 1507 -6.5 -12.5 62 6.0 -8.3 120 30 282.0 282.3 275.2 287.2 1.78 6 791 1807 -7.5 -11.5 73 4.0 -8.7 120 26 284.1 284.4 276.6 289.9 2.00 7 737 2354 -10.7 -14.9 71 4.2 -11.9 120 18 286.4 286.7 277.3 291.2 1.63 8 700 2748 -13.7 -17.6 72 3.9 -14.7 120 13 287.3 287.6 277.4 291.4 1.37 9 612 3753 -20.3 -23.8 74 3.5 -21.0 110 19 291.0 291.1 278.5 293.8 0.91 10 539 4675 -28.7 -32.1 72 3.4 -29.1 101 24 291.7 291.8 278.3 293.3 0.48 11 518 4959 -29.3 -32.7 72 3.4 -29.7 98 26 294.3 294.4 279.5 295.9 0.47 12 500 5210 -30.9 -34.2 73 3.3 -31.3 95 27 295.4 295.4 279.9 296.8 0.42 13 474 5587 -33.9 -37.6 69 3.7 -34.2 96 30 296.2 296.3 280.1 297.3 0.32 14 400 6750 -44.5 -48.5 64 4.0 -44.7 100 38 297.2 297.2 280.3 297.6 0.12 15 316 8311 -52.1 -56.9 56 4.8 -52.2 105 60 307.3 307.3 284.4 307.5 0.06 16 314 8352 -51.9 -56.8 56 4.9 -52.0 106 60 308.1 308.2 284.7 308.4 0.06 17 300 8650 -51.1 -56.1 55 5.0 -51.2 110 60 313.3 313.3 286.6 313.6 0.06 18 298 8694 -51.1 -56.1 55 5.0 -51.2 110 60 314.0 314.0 286.8 314.2 0.06 19 250 9840 -50.5 -56.5 49 6.0 -50.7 125 17 331.0 331.0 292.0 331.3 0.07 20 200 11300 -50.1 -59.1 34 9.0 -50.4 185 29 353.4 353.4 297.4 353.7 0.07 21 150 13180 -50.7 -62.7 23 12.0 -51.1 225 31 382.7 382.7 302.7 383.0 0.06 22 100 15810 -51.3 -66.3 15 15.0 -52.0 245 38 428.6 428.6 308.7 428.9 0.05 23 76 17583 -52.9 -68.9 13 16.0 -53.7 237 43 460.3 460.3 311.8 460.5 0.05 24 70 18110 -55.5 -72.5 10 17.0 -56.1 235 44 465.7 465.7 312.3 465.8 0.03 25 64 18678 -56.9 -73.9 10 17.0 -57.5 238 51 474.7 474.7 313.0 474.8 0.03 26 51 20123 -54.1 -72.1 9 18.0 -55.1 244 68 513.1 513.1 315.9 513.4 0.04 27 50 20250 -54.9 -72.9 9 18.0 -55.8 245 69 514.1 514.1 315.9 514.4 0.04 28 44 21073 -51.7 -69.7 10 18.0 -53.2 541.1 541.1 317.6 541.6 0.07 29 39 21847 -56.5 -74.5 9 18.0 -57.5 547.9 547.9 318.0 548.2 0.04 30 37 22185 -52.1 -70.1 10 18.0 -53.7 567.5 567.6 319.0 568.1 0.08 31 31 23323 -54.9 -72.9 9 18.0 -56.3 589.4 589.4 320.2 589.9 0.06 TRP 316 8311 -52.1 -56.9 56 4.8 -52.2 105 60 307.3 307.3 284.4 307.5 0.06 WND 298 8694 -51.1 -56.1 55 5.0 -51.2 110 60 314.0 314.0 286.8 314.2 0.06 Sounding variables and indices 1000-500 mb thick: 5272.00 m Freezing level: 903.95 mb = 759.19 m = 2490.76 ft Wetbulb zero: 981.56 mb = 89.27 m = 292.88 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 65.07 % Est. max temperature: 7.88 C = 46.19 F Sfc-Lift cond lev (LCL): 833.90 mb = 1394.16 m = 4573.95 ft T: -5.47 C 700-500 lapse rate: 6.99 C/km ThetaE index: 0.05 C Layer 925.0- 850.0 mb Conv cond level (CCL): 701.59 mb = 2730.65 m = 8958.71 ft Mean mixing ratio: 1.91 g/kg Conv temperature: 13.22 C = 55.79 F Cap Strength: 7.83 C Lifted Index: 8.46 C Risk: None Lifted Index @300 mb: 19.49 C Lifted Index @700 mb: 4.74 C Showalter Index: 7.58 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 18.80 C K Index: 10.80 Risk: None Sweat Index: 93.00 Risk: None Energy Index: 2.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.46 J/kg Max Up Vert Vel: 4.79 m/s Conv Inhibition (B-): 41701.61 J/kg Cap Strength: 8.22 C Lift Cond Lev (LCL): 776.84 mb = 1946.69 m = 6386.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 137 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 ---------------------------------------------------------- 0 989 28 65 5 -4.5 -2.1 | 334 16 7.2 -14.8 1 925 570 105 29 -28.0 7.5 | 72 17 -16.3 -5.2 2 850 1244 120 33 -28.6 16.5 | 103 17 -16.8 3.8 3 700 2748 120 13 -11.3 6.5 | 355 6 0.5 -6.2 4 500 5210 95 27 -26.9 2.4 | 56 18 -15.1 -10.3 5 400 6750 100 38 -37.4 6.6 | 77 26 -25.7 -6.1 6 316 8311 105 60 -58.0 15.5 | 94 46 -46.2 2.8 7 300 8650 110 60 -56.4 20.5 | 100 45 -44.6 7.8 8 298 8694 110 60 -56.4 20.5 | 100 45 -44.6 7.8 9 250 9840 125 17 -13.9 9.8 | 37 4 -2.2 -2.9 10 200 11300 185 29 2.5 28.9 | 221 22 14.3 16.2 11 150 13180 225 31 21.9 21.9 | 255 35 33.7 9.2 12 100 15810 245 38 34.4 16.1 | 266 46 46.2 3.4 13 70 18110 235 44 36.0 25.2 | 255 49 47.8 12.6 14 50 20250 245 69 62.5 29.2 | 257 76 74.3 16.5 Wind Parameters Mean winds (0-6000m): 107.2 at 23.1 knts Storm direction: 137.2 at 17.3 knts Shear (0-3000m) pos: 4.6 neg: 2.5 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 37.6 deg Storm rel helicity (0-3000m) pos: 151.7 neg: -25.7 tot: 125.9 m^2/s^2 ave: 42.0 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.51 Bulk Shear: 7.57 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 99 16 22 11| 24.0 0.0 24.0| 99.7 0.0 99.7 199.4 0.99| 25.5 25.3 1000 106 23 59 12| 14.8 0.0 14.8|136.8 0.0 136.8 136.8 0.99| 17.1 16.9 1500 111 26 76 13| 9.1 0.0 9.1|149.3 -4.1 145.1 96.7 0.87| 13.6 11.9 2000 114 26 79 12| 6.9 1.7 8.6|149.3 -13.1 136.1 68.1 0.68| 11.9 8.1 2500 115 25 77 11| 5.5 2.7 8.2|149.3 -22.1 127.1 50.9 0.48| 10.9 5.3 3000 115 23 72 9| 4.6 2.5 7.1|151.7 -25.7 125.9 42.0 0.43| 9.8 4.2 4000 114 22 64 9| 3.4 1.4 4.8|161.1 -25.7 135.4 33.8 0.46| 8.2 3.8 5000 111 22 60 10| 2.7 1.2 3.9|166.2 -25.7 140.4 28.1 0.44| 7.3 3.2 6000 107 23 60 12| 2.6 1.0 3.6|189.9 -25.7 164.2 27.4 0.45| 6.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251028.12.gif