UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 23 APR 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 -59 SFC 990 22 0.4 0.2 99 0.2 0.3 290 1 274.3 275.0 274.0 285.0 3.92 2 925 567 -0.9 -3.7 81 2.8 -2.0 5 3 278.4 278.9 275.2 287.1 3.14 3 850 1236 -5.9 -7.9 86 2.0 -6.6 100 5 280.0 280.4 275.1 287.0 2.48 4 742 2293 -10.5 -12.4 86 1.9 -11.1 110 4 286.0 286.4 277.6 291.9 1.99 5 700 2742 -10.3 -13.3 79 3.0 -11.2 115 3 291.1 291.4 280.0 297.0 1.96 6 678 2989 -10.7 -14.4 74 3.7 -11.8 114 5 293.3 293.6 280.8 298.9 1.85 7 500 5290 -21.3 -24.0 79 2.7 -21.9 100 25 307.1 307.3 285.5 310.7 1.10 8 437 6270 -26.9 -29.7 77 2.8 -27.3 70 18 312.0 312.2 286.9 314.6 0.75 9 400 6900 -32.1 -35.0 75 2.9 -32.4 50 13 313.3 313.4 287.1 315.0 0.49 10 300 8860 -48.9 -51.8 72 2.9 -49.0 70 35 316.4 316.4 287.7 316.8 0.11 11 293 9015 -50.1 -53.1 70 3.0 -50.2 70 36 316.9 316.9 287.8 317.2 0.09 12 291 9060 -50.1 -53.1 70 3.0 -50.2 71 36 317.5 317.5 288.1 317.9 0.09 13 250 10060 -47.3 -51.1 65 3.8 -47.5 90 29 335.7 335.8 293.4 336.3 0.14 14 200 11540 -48.5 -55.5 44 7.0 -48.8 125 9 356.0 356.0 298.0 356.4 0.10 15 150 13430 -49.9 -61.9 23 12.0 -50.4 190 7 384.1 384.1 302.9 384.4 0.06 16 100 16070 -51.3 -68.3 11 17.0 -52.0 215 15 428.6 428.6 308.7 428.8 0.04 17 70 18380 -53.3 -72.3 8 19.0 -54.1 205 13 470.4 470.4 312.7 470.5 0.03 18 68 18566 -54.3 -73.3 8 19.0 -55.1 199 12 472.1 472.1 312.8 472.3 0.03 19 52 20288 -53.9 -73.9 7 20.0 -54.9 148 4 510.7 510.7 315.7 510.9 0.03 20 50 20540 -54.5 -74.5 7 20.0 -55.5 140 3 515.0 515.1 316.0 515.2 0.03 21 30 23820 -53.9 -75.9 5 22.0 -55.6 135 7 597.7 597.7 320.5 598.0 0.04 22 23 25533 -50.9 -73.9 5 23.0 -53.7 115 10 653.7 653.7 322.9 654.3 0.08 23 20 26440 -51.5 -74.5 5 23.0 -54.4 105 11 678.5 678.6 323.7 679.2 0.08 24 17 27497 -51.1 -74.1 5 23.0 -54.5 97 10 712.1 712.1 324.8 713.0 0.10 25 10 30990 -46.1 -72.1 4 26.0 -53.0 70 7 847.5 847.6 328.4 849.8 0.23 TRP 293 9015 -50.1 -53.1 70 3.0 -50.2 70 36 316.9 316.9 287.8 317.2 0.09 WND Sounding variables and indices 1000-500 mb thick: 5349.00 m Freezing level: 970.00 mb = 189.61 m = 622.07 ft Wetbulb zero: 981.10 mb = 94.33 m = 309.48 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 81.03 % Est. max temperature: 6.54 C = 43.77 F Sfc-Lift cond lev (LCL): 986.77 mb = 48.14 m = 157.95 ft T: 0.34 C 700-500 lapse rate: 4.32 C/km ThetaE index: 0.15 C Layer 850.0- 742.0 mb Conv cond level (CCL): 884.72 mb = 919.28 m = 3015.99 ft Mean mixing ratio: 3.33 g/kg Conv temperature: 5.28 C = 41.51 F Cap Strength: 9.26 C Lifted Index: 17.65 C Risk: None Lifted Index @300 mb: 21.28 C Lifted Index @700 mb: 7.73 C Showalter Index: 17.18 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 13.40 C K Index: 4.50 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 4.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.12 J/kg Max Up Vert Vel: 5.85 m/s Conv Inhibition (B-): 72789.51 J/kg Cap Strength: 17.52 C Lift Cond Lev (LCL): 911.97 mb = 679.24 m = 2228.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 127 at 8 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 ---------------------------------------------------------- 0 990 22 290 1 0.9 -0.3 | 305 9 7.2 -5.0 1 925 567 5 3 -0.3 -3.0 | 322 10 6.0 -7.7 2 850 1236 100 5 -4.9 0.9 | 341 4 1.3 -3.8 3 700 2742 115 3 -2.7 1.3 | 314 5 3.5 -3.4 4 500 5290 100 25 -24.6 4.3 | 89 18 -18.4 -0.4 5 400 6900 50 13 -10.0 -8.4 | 16 14 -3.7 -13.1 6 300 8860 70 35 -32.9 -12.0 | 58 31 -26.7 -16.7 7 293 9015 70 36 -33.8 -12.3 | 58 32 -27.6 -17.0 8 250 10060 90 29 -29.0 0.0 | 78 23 -22.8 -4.7 9 200 11540 125 9 -7.4 5.2 | 112 1 -1.2 0.5 10 150 13430 190 7 1.2 6.9 | 254 8 7.4 2.2 11 100 16070 215 15 8.6 12.3 | 243 17 14.8 7.6 12 70 18380 205 13 5.5 11.8 | 239 14 11.7 7.1 13 50 20540 140 3 -1.9 2.3 | 299 5 4.3 -2.4 14 30 23820 135 7 -4.9 4.9 | 259 1 1.3 0.3 15 20 26440 105 11 -10.6 2.8 | 67 5 -4.4 -1.9 16 10 30990 70 7 -6.6 -2.4 | 3 7 -0.4 -7.1 Wind Parameters Mean winds (0-6000m): 97.1 at 10.4 knts Storm direction: 127.1 at 7.8 knts Shear (0-3000m) pos: 1.1 neg: 0.0 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 28.9 deg Storm rel helicity (0-3000m) pos: 15.2 neg: -2.4 tot: 12.8 m^2/s^2 ave: 4.3 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.03 Bulk Shear: 16.63 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 ------------------------------------------------------------------------------- 500 346 2 315 9| 2.7 0.0 2.7| 6.4 0.0 6.4 12.8 0.85| 3.0 2.6 1000 23 3 325 9| 2.7 0.0 2.7| 13.7 0.0 13.7 13.7 0.74| 3.9 2.9 1500 64 3 333 7| 1.9 0.0 1.9| 14.0 -0.6 13.4 8.9 0.50| 3.6 1.8 2000 81 4 334 6| 1.3 0.0 1.3| 14.0 -1.4 12.6 6.3 0.40| 2.9 1.2 2500 88 4 332 5| 0.9 0.0 0.9| 14.0 -2.2 11.9 4.7 0.33| 2.5 0.8 3000 93 4 330 5| 1.1 0.0 1.1| 15.2 -2.4 12.8 4.3 0.34| 2.5 0.9 4000 101 5 342 4| 0.8 1.1 1.9| 19.6 -2.4 17.1 4.3 0.44| 3.0 1.3 5000 101 8 25 4| 0.7 1.8 2.5| 20.9 -2.7 18.2 3.6 0.34| 3.3 1.1 6000 97 10 50 5| 0.5 1.3 1.9| 20.9 -48.4 -27.5 -4.6 0.01| 3.8 0.1 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20250423.12.gif