UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 18 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 ------------------------------------------------------------------------------- SFC 1000 14 2.4 2.4 100 0.0 2.4 45 7 275.5 276.3 275.6 287.9 4.54 1 925 641 0.4 -1.4 88 1.8 -0.3 45 9 279.7 280.4 276.7 290.1 3.73 2 850 1317 -2.1 -3.8 88 1.7 -2.8 45 7 283.9 284.5 278.4 293.6 3.39 3 832 1487 -2.9 -4.4 89 1.5 -3.5 44 8 284.8 285.4 278.7 294.3 3.31 4 742 2384 -8.9 -10.0 92 1.1 -9.3 38 11 287.8 288.2 279.0 294.9 2.41 5 735 2457 -7.9 -9.1 91 1.2 -8.3 38 11 289.7 290.1 280.1 297.4 2.61 6 700 2836 -9.1 -10.5 90 1.4 -9.6 35 13 292.4 292.8 281.2 299.7 2.45 7 651 3396 -10.1 -14.2 72 4.1 -11.3 31 15 297.4 297.8 282.8 303.4 1.96 8 552 4646 -18.3 -21.8 74 3.5 -19.1 21 19 302.1 302.3 283.8 305.9 1.21 9 537 4851 -19.3 -22.7 74 3.4 -20.1 19 19 303.3 303.5 284.2 307.0 1.15 10 511 5219 -20.3 -28.3 49 8.0 -21.8 16 20 306.4 306.5 284.9 308.8 0.73 11 500 5380 -21.7 -32.7 36 11.0 -23.4 15 21 306.6 306.7 284.7 308.3 0.49 12 439 6324 -29.7 -48.7 14 19.0 -31.1 15 24 308.1 308.1 284.7 308.5 0.10 13 400 6980 -35.3 -51.3 18 16.0 -36.2 15 27 309.1 309.1 285.1 309.4 0.08 14 341 8074 -43.5 -57.5 20 14.0 -44.0 15 28 312.4 312.4 286.2 312.6 0.05 15 306 8791 -51.1 -63.1 23 12.0 -51.3 15 29 311.6 311.6 285.9 311.7 0.03 16 300 8920 -51.9 -63.9 22 12.0 -52.1 15 29 312.2 312.2 286.1 312.3 0.02 17 277 9431 -55.7 -67.7 21 12.0 -55.8 10 24 313.9 313.9 286.7 314.0 0.02 18 254 9980 -57.3 -68.3 23 11.0 -57.4 5 19 319.4 319.4 288.6 319.5 0.02 19 250 10080 -56.7 -67.7 24 11.0 -56.8 360 17 321.8 321.8 289.3 321.8 0.02 20 228 10666 -53.3 -64.3 25 11.0 -53.5 348 15 335.5 335.6 293.2 335.7 0.03 21 200 11510 -51.1 -63.1 23 12.0 -51.4 330 11 351.8 351.9 297.1 352.0 0.04 22 150 13390 -50.7 -64.7 17 14.0 -51.2 300 11 382.7 382.7 302.7 382.9 0.04 23 144 13654 -49.3 -64.3 16 15.0 -49.9 297 12 389.6 389.7 303.8 389.9 0.05 24 100 16000 -53.5 -71.5 9 18.0 -54.1 275 19 424.4 424.4 308.2 424.5 0.02 25 89 16753 -55.9 -73.9 9 18.0 -56.4 282 15 433.9 433.9 309.3 434.0 0.02 26 70 18300 -54.5 -73.5 8 19.0 -55.2 295 7 467.8 467.8 312.5 467.9 0.03 27 50 20450 -53.7 -74.7 6 21.0 -54.8 310 7 516.9 516.9 316.1 517.1 0.03 28 47 20848 -53.3 -74.3 6 21.0 -54.5 306 7 527.1 527.1 316.8 527.3 0.03 29 34 22920 -55.7 -76.7 6 21.0 -57.0 287 7 571.9 572.0 319.3 572.2 0.03 30 30 23720 -53.9 -76.9 4 23.0 -55.6 280 7 597.7 597.7 320.5 598.0 0.04 31 24 25167 -50.9 -73.9 5 23.0 -53.6 233 6 645.8 645.8 322.6 646.4 0.07 32 20 26350 -53.1 -76.1 4 23.0 -55.6 195 5 673.6 673.7 323.6 674.1 0.06 33 17 27401 -51.7 -74.7 5 23.0 -54.9 710.2 710.2 324.8 711.0 0.09 TRP 254 9980 -57.3 -68.3 23 11.0 -57.4 5 19 319.4 319.4 288.6 319.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5365.95 m Freezing level: 913.00 mb = 749.16 m = 2457.84 ft Wetbulb zero: 934.04 mb = 562.82 m = 1846.51 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 81.08 % Est. max temperature: 10.80 C = 51.43 F Sfc-Lift cond lev (LCL): 999.85 mb = 15.25 m = 50.03 ft T: 2.40 C 700-500 lapse rate: 4.95 C/km Conv cond level (CCL): 879.30 mb = 1046.10 m = 3432.03 ft Mean mixing ratio: 4.02 g/kg Conv temperature: 9.10 C = 48.38 F Cap Strength: 14.98 C Lifted Index: 14.96 C Risk: None Lifted Index @300 mb: 16.17 C Lifted Index @700 mb: 6.88 C Showalter Index: 11.85 C Risk: None Total Totals Index: 37.50 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 17.90 C K Index: 14.40 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.07 J/kg Max Up Vert Vel: 6.18 m/s Conv Inhibition (B-): 53485.62 J/kg Cap Strength: 14.97 C Lift Cond Lev (LCL): 932.58 mb = 575.33 m = 1887.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 57 at 10 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 1000 14 45 7 -4.9 -4.9 | 259 4 3.8 0.8 1 925 641 45 9 -6.4 -6.4 | 286 2 2.4 -0.7 2 850 1317 45 7 -4.9 -4.9 | 259 4 3.8 0.8 3 700 2836 35 13 -7.5 -10.6 | 345 5 1.3 -4.9 4 500 5380 15 21 -5.4 -20.3 | 347 15 3.3 -14.6 5 400 6980 15 27 -7.0 -26.1 | 355 20 1.8 -20.4 6 300 8920 15 29 -7.5 -28.0 | 357 22 1.2 -22.3 7 254 9980 5 19 -1.7 -18.9 | 332 15 7.1 -13.2 8 250 10080 360 17 -0.0 -17.0 | 322 14 8.7 -11.3 9 200 11510 330 11 5.5 -9.5 | 285 15 14.2 -3.8 10 150 13390 300 11 9.5 -5.5 | 269 18 18.3 0.2 11 100 16000 275 19 18.9 -1.7 | 262 28 27.7 4.0 12 70 18300 295 7 6.3 -3.0 | 260 15 15.1 2.7 13 50 20450 310 7 5.4 -4.5 | 265 14 14.1 1.2 14 30 23720 280 7 6.9 -1.2 | 254 16 15.6 4.5 15 20 26350 195 5 1.3 4.8 | 224 15 10.0 10.5 Wind Parameters Mean winds (0-6000m): 26.9 at 13.9 knts Storm direction: 56.9 at 10.4 knts Shear (0-3000m) pos: 0.0 neg: 1.2 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 88.8 deg Storm rel helicity (0-3000m) pos: 6.0 neg: -1.1 tot: 4.9 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 1.8 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.99 Bulk Shear: 6.39 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 45 8 267 3| 0.0 1.6 1.6| 0.9 0.0 0.9 1.8 0.67| 1.6 1.1 1000 45 8 271 3| 0.0 0.5 0.5| 1.1 -0.6 0.5 0.5 0.19| 1.5 0.3 1500 45 8 268 3| 0.0 0.3 0.3| 1.7 -1.1 0.6 0.4 0.13| 1.6 0.2 2000 44 8 273 3| 0.0 0.7 0.7| 3.2 -1.1 2.2 1.1 0.39| 1.7 0.7 2500 42 9 283 3| 0.0 1.0 1.0| 4.8 -1.1 3.7 1.5 0.50| 1.8 0.9 3000 41 9 297 3| 0.0 1.2 1.2| 6.0 -1.1 4.9 1.6 0.49| 1.8 0.9 4000 37 11 321 4| 0.0 1.3 1.3| 6.7 -1.1 5.6 1.4 0.39| 1.9 0.7 5000 31 12 334 5| 0.0 1.4 1.4| 6.7 -2.6 4.1 0.8 0.28| 1.9 0.5 6000 27 14 340 7| 0.0 1.5 1.5| 10.9 -3.7 7.2 1.2 0.26| 1.9 0.5 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20250418.12.gif