UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 24 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 -28 20 27 SFC 995 12 2.2 1.7 96 0.5 2.0 20 27 275.7 276.5 275.4 287.5 4.34 2 940 469 -1.1 -2.1 93 1.0 -1.5 43 34 276.9 277.5 274.8 286.5 3.48 3 925 597 -0.9 -1.9 93 1.0 -1.3 50 36 278.4 279.0 275.8 288.3 3.59 4 875 1040 -2.3 -3.3 93 1.0 -2.7 43 36 281.4 282.0 277.2 291.0 3.42 5 850 1271 -1.5 -2.3 94 0.8 -1.9 40 36 284.6 285.2 279.3 295.3 3.80 6 742 2344 -5.7 -7.2 89 1.5 -6.2 43 28 291.3 291.8 281.4 300.1 3.00 7 700 2798 -9.3 -12.6 77 3.3 -10.4 45 25 292.2 292.6 280.6 298.4 2.07 8 651 3353 -13.3 -14.9 88 1.6 -13.7 46 28 293.8 294.1 281.1 299.4 1.85 9 643 3447 -12.5 -14.0 89 1.5 -12.9 46 28 295.7 296.1 282.1 301.9 2.01 10 527 4935 -21.5 -24.2 79 2.7 -22.1 49 36 302.2 302.4 283.6 305.6 1.02 11 500 5320 -24.3 -27.1 78 2.8 -24.8 50 38 303.4 303.6 283.8 306.1 0.83 12 418 6602 -34.1 -37.1 74 3.0 -34.4 46 40 306.8 306.9 284.6 308.1 0.38 13 408 6772 -34.9 -37.9 74 3.0 -35.2 45 40 307.9 307.9 285.0 309.1 0.36 14 400 6910 -35.5 -38.9 71 3.4 -35.8 45 40 308.9 308.9 285.3 310.0 0.33 15 367 7507 -38.1 -44.1 53 6.0 -38.5 43 42 313.1 313.1 286.7 313.8 0.21 16 330 8229 -44.7 -53.7 36 9.0 -45.0 41 44 313.7 313.7 286.7 314.0 0.08 17 309 8666 -49.1 -58.1 34 9.0 -49.3 40 46 313.5 313.5 286.6 313.7 0.05 18 300 8860 -48.7 -57.7 34 9.0 -49.0 40 44 316.7 316.7 287.7 316.9 0.05 19 250 10060 -48.3 -58.3 31 10.0 -48.6 20 31 334.3 334.3 292.9 334.5 0.06 20 227 10696 -47.3 -58.3 27 11.0 -47.7 3 23 345.1 345.2 295.6 345.4 0.06 21 200 11530 -49.1 -61.1 23 12.0 -49.5 340 13 355.0 355.0 297.7 355.2 0.05 22 150 13420 -49.5 -64.5 16 15.0 -50.1 275 11 384.8 384.8 303.1 385.0 0.04 23 100 16060 -50.9 -66.9 13 16.0 -51.7 255 13 429.4 429.4 308.8 429.6 0.05 24 70 18360 -53.9 -69.9 12 16.0 -54.6 250 7 469.1 469.1 312.6 469.3 0.04 25 65 18836 -54.9 -69.9 14 15.0 -55.6 247 7 476.9 477.0 313.2 477.2 0.05 26 50 20520 -54.5 -69.5 14 15.0 -55.4 235 7 515.0 515.1 316.0 515.5 0.07 27 37 22460 -52.5 -68.5 13 16.0 -54.0 185 8 566.5 566.5 319.0 567.2 0.10 28 34 23006 -53.7 -69.7 12 16.0 -55.1 171 9 577.2 577.2 319.6 577.9 0.09 29 31 23599 -54.7 -69.7 14 15.0 -56.1 155 9 590.0 590.0 320.2 590.7 0.10 30 30 23810 -53.3 -69.3 13 16.0 -54.9 150 9 599.3 599.4 320.6 600.2 0.11 31 20 26430 -50.9 -66.9 13 16.0 -53.7 90 5 680.4 680.5 323.9 682.4 0.24 32 13 29251 -48.3 -63.3 16 15.0 -52.7 778.6 778.9 326.8 784.3 0.59 TRP 309 8666 -49.1 -58.1 34 9.0 -49.3 40 46 313.5 313.5 286.6 313.7 0.05 WND Sounding variables and indices 1000-500 mb thick: 5348.00 m Freezing level: 958.33 mb = 316.60 m = 1038.71 ft Wetbulb zero: 963.92 mb = 267.04 m = 876.12 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 86.99 % Est. max temperature: 11.31 C = 52.35 F Sfc-Lift cond lev (LCL): 987.25 mb = 75.22 m = 246.79 ft T: 1.75 C 700-500 lapse rate: 5.95 C/km ThetaE index: 1.69 C Layer 700.0- 651.0 mb Conv cond level (CCL): 888.28 mb = 920.00 m = 3018.33 ft Mean mixing ratio: 3.74 g/kg Conv temperature: 7.03 C = 44.65 F Cap Strength: 13.11 C Lifted Index: 13.65 C Risk: None Lifted Index @300 mb: 20.57 C Lifted Index @700 mb: 7.85 C Showalter Index: 7.97 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.80 C Cross Totals Index: 22.00 C K Index: 17.20 Risk: < 20 % chance of thunderstorms Sweat Index: 110.00 Risk: None Energy Index: 2.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.49 J/kg Max Up Vert Vel: 6.08 m/s Conv Inhibition (B-): 56753.77 J/kg Cap Strength: 13.60 C Lift Cond Lev (LCL): 931.45 mb = 541.58 m = 1776.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 75 at 24 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 ---------------------------------------------------------- 0 995 12 20 27 -9.2 -25.4 | 323 24 14.4 -19.2 1 925 597 50 36 -27.6 -23.1 | 13 17 -4.0 -17.0 2 850 1271 40 36 -23.1 -27.6 | 359 21 0.5 -21.4 3 700 2798 45 25 -17.7 -17.7 | 333 13 5.9 -11.5 4 500 5320 50 38 -29.1 -24.4 | 17 19 -5.5 -18.3 5 400 6910 45 40 -28.3 -28.3 | 12 23 -4.7 -22.1 6 309 8666 40 46 -29.6 -35.2 | 12 30 -5.9 -29.1 7 300 8860 40 44 -28.3 -33.7 | 10 28 -4.7 -27.6 8 250 10060 20 31 -10.6 -29.1 | 330 26 13.0 -23.0 9 200 11530 340 13 4.4 -12.2 | 282 29 28.1 -6.1 10 150 13420 275 11 11.0 -1.0 | 261 35 34.6 5.2 11 100 16060 255 13 12.6 3.4 | 255 37 36.2 9.5 12 70 18360 250 7 6.6 2.4 | 254 31 30.2 8.5 13 50 20520 235 7 5.7 4.0 | 251 31 29.4 10.2 14 30 23810 150 9 -4.5 7.8 | 234 24 19.1 13.9 15 20 26430 90 5 -5.0 0.0 | 252 20 18.6 6.1 Wind Parameters Mean winds (0-6000m): 45.4 at 32.6 knts Storm direction: 75.4 at 24.4 knts Shear (0-3000m) pos: 2.5 neg: 0.5 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 14.4 deg Storm rel helicity (0-3000m) pos: 97.5 neg: -55.4 tot: 42.1 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 1.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.85 Bulk Shear: 4.80 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 35 31 343 20| 16.1 0.0 16.1| 80.8 0.0 80.8 161.6 0.93| 16.3 15.1 1000 42 33 355 19| 8.0 0.9 8.9| 93.9 -14.4 79.5 79.5 0.65| 11.5 7.5 1500 41 34 357 19| 5.4 1.0 6.4| 93.9 -28.8 65.1 43.4 0.45| 9.0 4.1 2000 41 34 356 19| 3.7 0.8 4.5| 93.9 -38.8 55.1 27.6 0.33| 7.7 2.5 2500 42 33 354 18| 2.9 0.6 3.5| 93.9 -49.4 44.5 17.8 0.21| 6.9 1.5 3000 42 32 352 17| 2.5 0.5 3.0| 97.5 -55.4 42.1 14.0 0.18| 6.3 1.1 4000 43 31 351 17| 2.2 0.4 2.6|115.5 -55.4 60.2 15.0 0.27| 5.4 1.5 5000 44 31 354 16| 2.2 0.3 2.5|134.4 -55.4 79.1 15.8 0.33| 4.9 1.6 6000 45 33 358 17| 1.9 0.3 2.3|140.3 -59.1 81.2 13.5 0.32| 4.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20250424.12.gif