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 X2618... Searching the city database file for: X2618 ... Date:1200Z 23 APR 25 Station: X2618 WMO ident: 32618 Latitude: 55.20 Longitude: 165.98 ------------------------------------------------------------------------------- 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 -63 SFC 990 19 3.6 2.4 92 1.2 3.1 90 15 277.5 278.3 276.7 290.1 4.59 2 925 570 0.6 -1.4 86 2.0 -0.2 115 29 279.9 280.6 276.8 290.3 3.73 3 885 921 -2.1 -4.0 87 1.9 -2.9 118 33 280.7 281.2 276.5 289.7 3.21 4 863 1122 1.4 -0.8 85 2.2 0.4 119 35 286.4 287.1 280.6 298.3 4.18 5 850 1243 0.6 -3.4 75 4.0 -1.1 120 36 286.8 287.4 279.9 296.8 3.50 6 813 1599 -1.5 -8.5 59 7.0 -4.1 120 39 288.2 288.7 279.3 295.5 2.47 7 752 2215 -5.3 -11.3 63 6.0 -7.3 120 44 290.6 291.0 280.0 297.0 2.14 8 711 2651 -9.3 -12.3 79 3.0 -10.2 120 47 290.9 291.3 280.1 297.1 2.09 9 708 2684 -9.1 -12.3 78 3.2 -10.1 120 47 291.5 291.8 280.3 297.8 2.10 10 700 2772 -8.9 -13.2 71 4.3 -10.2 120 48 292.6 293.0 280.7 298.6 1.97 11 664 3180 -9.3 -28.3 20 19.0 -13.2 116 48 296.6 296.7 280.7 298.5 0.56 12 636 3512 -10.5 -43.5 5 33.0 -15.1 113 47 298.9 299.0 281.1 299.4 0.13 13 569 4359 -15.5 -47.5 5 32.0 -19.1 105 47 302.7 302.8 282.6 303.1 0.09 14 500 5320 -22.5 -52.5 5 30.0 -25.0 95 46 305.6 305.6 283.7 305.8 0.06 15 474 5710 -25.1 -54.1 5 29.0 -27.2 93 51 307.1 307.1 284.3 307.3 0.05 16 452 6054 -27.1 -47.1 13 20.0 -28.8 92 56 308.8 308.8 285.0 309.2 0.12 17 432 6378 -30.2 -45.3 21 15.2 -31.4 90 60 308.9 308.9 285.1 309.5 0.15 18 404 6851 -34.7 -42.7 44 8.0 -35.3 86 58 309.0 309.1 285.2 309.8 0.22 19 400 6920 -34.9 -42.9 44 8.0 -35.5 85 58 309.6 309.7 285.5 310.4 0.22 20 362 7611 -39.3 -45.3 53 6.0 -39.7 88 50 312.7 312.7 286.5 313.4 0.18 21 332 8199 -43.3 -49.3 52 6.0 -43.6 91 44 315.1 315.1 287.3 315.5 0.13 22 300 8880 -45.1 -53.1 40 8.0 -45.4 95 36 321.8 321.8 289.4 322.1 0.09 23 250 10100 -44.9 -57.9 22 13.0 -45.4 105 21 339.3 339.3 294.2 339.6 0.06 24 213 11164 -46.1 -63.1 13 17.0 -46.7 134 15 353.3 353.4 297.4 353.5 0.04 25 200 11580 -46.9 -64.9 11 18.0 -47.5 145 13 358.5 358.5 298.4 358.6 0.03 26 150 13480 -48.5 -69.5 7 21.0 -49.2 155 21 386.5 386.5 303.3 386.6 0.02 27 100 16130 -50.9 -73.9 5 23.0 -51.7 205 19 429.4 429.4 308.8 429.5 0.02 28 90 16810 -54.5 -77.5 4 23.0 -55.1 202 17 435.3 435.4 309.4 435.4 0.01 29 70 18420 -54.1 -77.1 4 23.0 -54.9 195 13 468.6 468.7 312.5 468.7 0.02 30 50 20570 -53.7 -76.7 4 23.0 -54.8 200 7 516.9 516.9 316.1 517.1 0.02 31 33 23238 -54.3 -77.3 4 23.0 -55.8 151 5 580.6 580.6 319.7 580.8 0.03 32 30 23850 -53.5 -76.5 4 23.0 -55.3 140 5 598.8 598.8 320.6 599.1 0.04 33 20 26480 -50.7 -73.7 5 23.0 -53.8 105 7 681.0 681.0 323.8 681.7 0.09 34 13 29306 -47.7 -71.7 5 24.0 -52.9 780.7 780.7 326.8 782.4 0.18 TRP 300 8880 -45.1 -53.1 40 8.0 -45.4 95 36 321.8 321.8 289.4 322.1 0.09 WND 432 6378 -30.2 -45.3 21 15.2 -31.4 90 60 308.9 308.9 285.1 309.5 0.15 Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: 916.11 mb = 648.06 m = 2126.14 ft Freezing level: 871.80 mb = 1041.46 m = 3416.81 ft Freezing level: 839.43 mb = 1344.57 m = 4411.28 ft Wetbulb zero: 929.25 mb = 532.80 m = 1748.00 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 44.13 % Est. max temperature: 13.19 C = 55.73 F Sfc-Lift cond lev (LCL): 971.72 mb = 170.21 m = 558.41 ft T: 2.78 C 700-500 lapse rate: 5.34 C/km ThetaE index: 2.79 C Layer 850.0- 752.0 mb Conv cond level (CCL): 899.38 mb = 793.23 m = 2602.42 ft Mean mixing ratio: 3.92 g/kg Conv temperature: 6.46 C = 43.63 F Cap Strength: 12.49 C Lifted Index: 13.63 C Risk: None Lifted Index @300 mb: 22.47 C Lifted Index @700 mb: 6.61 C Showalter Index: 8.71 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.10 C K Index: 15.40 Risk: < 20 % chance of thunderstorms Sweat Index: 118.00 Risk: None Energy Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.91 J/kg Max Up Vert Vel: 4.67 m/s Conv Inhibition (B-): 66181.24 J/kg Cap Strength: 13.53 C Lift Cond Lev (LCL): 914.78 mb = 658.32 m = 2159.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 140 at 32 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 19 90 15 -15.0 0.0 | 347 25 5.7 -24.2 1 925 570 115 29 -26.3 12.3 | 25 13 -5.6 -11.9 2 850 1243 120 36 -31.2 18.0 | 59 12 -10.5 -6.2 3 700 2772 120 48 -41.6 24.0 | 89 21 -20.9 -0.2 4 500 5320 95 46 -45.8 4.0 | 51 32 -25.2 -20.2 5 432 6378 90 60 -60.0 0.0 | 58 46 -39.3 -24.2 6 400 6920 85 58 -57.8 -5.1 | 52 47 -37.1 -29.3 7 300 8880 95 36 -35.9 3.1 | 36 26 -15.2 -21.1 8 250 10100 105 21 -20.3 5.4 | 359 19 0.4 -18.8 9 200 11580 145 13 -7.5 10.6 | 316 19 13.2 -13.5 10 150 13480 155 21 -8.9 19.0 | 294 13 11.8 -5.2 11 100 16130 205 19 8.0 17.2 | 284 30 28.7 -7.0 12 70 18420 195 13 3.4 12.6 | 296 27 24.0 -11.6 13 50 20570 200 7 2.4 6.6 | 307 29 23.1 -17.6 14 30 23850 140 5 -3.2 3.8 | 319 27 17.5 -20.4 15 20 26480 105 7 -6.8 1.8 | 328 26 13.9 -22.4 Wind Parameters Mean winds (0-6000m): 109.5 at 42.4 knts Storm direction: 139.5 at 31.8 knts Shear (0-3000m) pos: 4.5 neg: 1.7 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 97.7 deg Storm rel helicity (0-3000m) pos: 119.8 neg: -9.1 tot: 110.7 m^2/s^2 ave: 36.9 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 4.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 59.48 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 ------------------------------------------------------------------------------- 500 105 21 360 19| 15.5 0.0 15.5| 58.1 0.0 58.1 116.2 0.73| 15.8 11.5 1000 112 26 14 15| 11.1 0.0 11.1| 79.0 0.0 79.0 79.0 0.79| 11.3 8.9 1500 115 29 27 13| 9.0 0.0 9.0| 93.3 0.0 93.3 62.2 0.81| 9.2 7.4 2000 117 32 39 13| 6.8 1.0 7.8|104.3 0.0 104.3 52.2 0.80| 7.9 6.3 2500 118 35 51 13| 5.4 1.6 7.0|115.4 0.0 115.4 46.1 0.78| 7.1 5.5 3000 118 37 59 14| 4.5 1.7 6.2|119.8 -9.1 110.7 36.9 0.68| 6.6 4.5 4000 116 39 65 16| 3.4 1.6 5.0|119.8 -53.0 66.8 16.7 0.41| 6.0 2.5 5000 113 41 65 19| 2.7 1.8 4.6|119.8-101.6 18.2 3.6 0.23| 5.6 1.3 6000 110 42 63 22| 2.3 2.4 4.7|153.7-117.2 36.5 6.1 0.22| 5.7 1.2 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20250423.12.gif