UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 21 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 1014 17 1.8 1.2 96 0.6 1.5 315 9 273.9 274.5 274.0 285.0 4.11 1 1000 129 0.4 -1.5 87 1.9 -0.3 330 11 273.5 274.1 272.8 282.8 3.42 2 925 751 -2.3 -4.6 84 2.3 -3.1 320 7 277.0 277.5 274.0 285.1 2.93 3 850 1417 -6.7 -8.4 88 1.7 -7.2 360 13 279.1 279.5 274.5 285.9 2.38 4 794 1946 -10.5 -12.5 85 2.0 -11.1 7 12 280.6 280.9 274.5 285.9 1.84 5 781 2073 -10.9 -13.0 84 2.1 -11.5 9 11 281.5 281.8 274.9 286.7 1.80 6 732 2569 -13.1 -25.1 36 12.0 -15.4 15 10 284.3 284.4 274.8 286.4 0.68 7 700 2908 -15.1 -31.1 24 16.0 -17.6 20 9 285.8 285.8 275.1 287.1 0.41 8 667 3270 -16.5 -35.5 18 19.0 -19.1 26 9 288.2 288.2 276.2 289.1 0.28 9 596 4103 -22.7 -42.7 14 20.0 -24.6 39 10 290.4 290.4 277.1 290.9 0.15 10 500 5360 -33.1 -49.1 19 16.0 -34.0 60 11 292.7 292.7 278.2 293.0 0.09 11 464 5882 -37.9 -53.9 17 16.0 -38.5 19 9 293.0 293.0 278.2 293.2 0.05 12 429 6421 -40.9 -54.9 21 14.0 -41.4 335 7 295.9 295.9 279.6 296.0 0.05 13 400 6900 -39.9 -54.9 19 15.0 -40.5 280 19 303.1 303.1 282.7 303.3 0.06 14 300 8850 -43.7 -63.7 9 20.0 -44.3 270 31 323.8 323.8 289.9 323.9 0.02 15 250 10070 -45.1 -67.1 7 22.0 -45.7 265 33 339.0 339.0 294.1 339.1 0.02 16 200 11550 -46.3 -70.3 5 24.0 -47.0 270 29 359.5 359.5 298.6 359.5 0.01 17 150 13450 -48.7 -72.7 5 24.0 -49.4 270 23 386.2 386.2 303.2 386.2 0.01 18 100 16090 -51.7 -74.7 5 23.0 -52.4 270 21 427.8 427.8 308.6 427.9 0.02 19 70 18390 -53.5 -76.5 4 23.0 -54.4 315 7 469.9 469.9 312.7 470.0 0.02 20 60 19373 -57.3 -79.3 5 22.0 -57.9 308 6 482.6 482.6 313.7 482.7 0.01 21 56 19813 -53.9 -76.9 4 23.0 -54.9 305 6 500.0 500.0 314.9 500.1 0.02 22 50 20540 -54.1 -77.1 4 23.0 -55.2 300 5 516.0 516.0 316.1 516.1 0.02 23 36 22654 -54.9 -77.9 4 23.0 -56.2 255 5 564.7 564.8 318.9 564.9 0.03 24 30 23830 -52.5 -75.5 5 23.0 -54.5 230 5 601.5 601.5 320.7 601.8 0.05 25 23 25539 -54.3 -77.3 4 23.0 -56.3 338 6 643.7 643.7 322.4 644.1 0.04 26 20 26440 -51.7 -74.7 5 23.0 -54.6 35 7 677.9 678.0 323.7 678.6 0.08 27 14 28783 -46.1 -70.1 5 24.0 -51.7 769.7 769.8 326.5 771.8 0.22 28 12 29808 -46.3 -70.3 5 24.0 -52.4 803.7 803.8 327.4 806.1 0.24 TRP 429 6421 -40.9 -54.9 21 14.0 -41.4 335 7 295.9 295.9 279.6 296.0 0.05 WND Sounding variables and indices 1000-500 mb thick: 5231.00 m Freezing level: 988.89 mb = 221.15 m = 725.54 ft Wetbulb zero: 1002.48 mb = 109.12 m = 358.01 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 47.31 % Est. max temperature: 6.67 C = 44.01 F Sfc-Lift cond lev (LCL): 1004.54 mb = 92.58 m = 303.73 ft T: 0.86 C 700-500 lapse rate: 7.34 C/km ThetaE index: 2.11 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 899.80 mb = 968.51 m = 3177.49 ft Mean mixing ratio: 3.22 g/kg Conv temperature: 5.63 C = 42.13 F Cap Strength: 6.90 C Lifted Index: 7.60 C Risk: None Lifted Index @300 mb: 28.12 C Lifted Index @700 mb: 4.57 C Showalter Index: 6.26 C Risk: None Total Totals Index: 51.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 24.70 C K Index: 2.00 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 1.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.57 J/kg Max Up Vert Vel: 4.60 m/s Conv Inhibition (B-): 69194.74 J/kg Cap Strength: 7.61 C Lift Cond Lev (LCL): 933.52 mb = 677.83 m = 2223.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 49 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 1014 17 315 9 6.4 -6.4 | 277 12 12.1 -1.4 1 1000 129 330 11 5.5 -9.5 | 292 12 11.2 -4.5 2 925 751 320 7 4.5 -5.4 | 272 10 10.2 -0.4 3 850 1417 360 13 -0.0 -13.0 | 324 10 5.7 -8.0 4 700 2908 20 9 -3.1 -8.5 | 323 4 2.6 -3.5 5 500 5360 60 11 -9.5 -5.5 | 82 4 -3.8 -0.5 6 429 6421 335 7 3.0 -6.3 | 279 9 8.7 -1.4 7 400 6900 280 19 18.7 -3.3 | 266 24 24.4 1.7 8 300 8850 270 31 31.0 -0.0 | 262 37 36.7 5.0 9 250 10070 265 33 32.9 2.9 | 258 39 38.6 7.9 10 200 11550 270 29 29.0 -0.0 | 262 35 34.7 5.0 11 150 13450 270 23 23.0 -0.0 | 260 29 28.7 5.0 12 100 16090 270 21 21.0 -0.0 | 259 27 26.7 5.0 13 70 18390 315 7 4.9 -4.9 | 270 11 10.7 0.0 14 50 20540 300 5 4.3 -2.5 | 256 10 10.1 2.5 15 30 23830 230 5 3.8 3.2 | 229 13 9.6 8.2 16 20 26440 35 7 -4.0 -5.7 | 294 2 1.7 -0.8 Wind Parameters Mean winds (0-6000m): 18.9 at 10.1 knts Storm direction: 48.9 at 7.6 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 49.3 deg Storm rel helicity (0-3000m) pos: 34.5 neg: -10.2 tot: 24.2 m^2/s^2 ave: 8.1 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.02 Bulk Shear: 10.32 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 ------------------------------------------------------------------------------- 500 326 10 286 12| 1.5 0.0 1.5| 9.3 -6.3 3.0 6.1 0.16| 5.5 0.9 1000 326 9 283 11| 1.7 0.0 1.7| 17.7 -9.7 8.0 8.0 0.28| 5.1 1.4 1500 338 10 293 10| 3.2 0.0 3.2| 33.6 -9.7 23.8 15.9 0.54| 5.5 3.0 2000 346 10 301 10| 2.4 0.0 2.4| 34.2 -9.7 24.4 12.2 0.50| 4.7 2.3 2500 351 10 306 9| 2.0 0.0 2.0| 34.2 -9.8 24.4 9.8 0.45| 4.1 1.8 3000 355 10 308 8| 1.7 0.0 1.7| 34.5 -10.2 24.2 8.1 0.41| 3.7 1.5 4000 3 10 315 7| 1.6 0.0 1.6| 36.7 -10.2 26.5 6.6 0.46| 3.1 1.5 5000 13 10 325 6| 1.6 0.0 1.6| 38.9 -10.2 28.7 5.7 0.52| 2.8 1.5 6000 19 10 332 5| 1.3 0.7 2.0| 39.6 -17.7 21.9 3.7 0.19| 3.2 0.6 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20250421.12.gif