UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110812.upa.cvt Date: 1200Z 8 NOV 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 8 NOV 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 -339 SFC 957 19 4.4 3.8 96 0.6 4.1 360 29 281.1 282.0 279.3 295.6 5.25 2 925 294 2.0 0.2 88 1.8 1.2 360 35 281.4 282.1 278.2 293.0 4.19 3 850 1972 -2.9 -4.9 86 2.0 -3.7 360 35 283.1 283.6 277.6 292.0 3.12 4 700 3484 -12.3 -14.3 85 2.0 -12.9 360 40 288.9 289.2 278.7 294.3 1.80 5 692 3532 -12.9 -14.9 85 2.0 -13.5 0 40 289.1 289.5 278.8 294.4 1.74 6 500 4960 -30.9 -33.3 79 2.4 -31.2 10 33 295.4 295.4 280.0 296.9 0.46 7 485 5174 -32.5 -34.7 81 2.2 -32.7 3 33 296.0 296.1 280.1 297.4 0.41 8 481 5232 -33.1 -35.6 78 2.5 -33.3 1 34 295.9 296.0 280.1 297.2 0.38 9 427 6060 -34.7 -40.7 54 6.0 -35.2 335 35 304.2 304.2 283.4 305.0 0.26 10 400 6510 -38.1 -45.1 48 7.0 -38.5 320 36 305.5 305.5 283.8 306.1 0.17 11 362 7194 -43.5 -52.5 36 9.0 -43.9 326 31 307.1 307.1 284.3 307.4 0.08 12 335 7715 -45.9 -54.9 35 9.0 -46.2 330 27 310.7 310.7 285.7 311.0 0.07 13 306 8319 -47.9 -57.9 31 10.0 -48.2 335 23 316.0 316.1 287.5 316.2 0.05 14 300 8450 -47.3 -57.3 31 10.0 -47.6 335 19 318.7 318.7 288.4 318.9 0.06 15 282 8861 -45.1 -56.1 28 11.0 -45.5 304 18 327.5 327.5 291.1 327.8 0.07 16 250 9660 -48.1 -59.1 27 11.0 -48.4 245 17 334.6 334.6 293.0 334.8 0.05 17 231 10179 -48.7 -59.7 27 11.0 -49.1 240 22 341.3 341.3 294.7 341.5 0.05 18 200 11130 -45.5 -57.5 25 12.0 -46.1 230 31 360.7 360.7 298.9 361.1 0.08 19 193 11368 -44.9 -56.9 25 12.0 -45.6 229 32 365.4 365.4 299.8 365.8 0.09 20 168 12290 -47.9 -59.9 24 12.0 -48.4 224 34 375.2 375.2 301.5 375.5 0.07 21 150 13040 -46.7 -59.7 21 13.0 -47.4 220 36 389.6 389.6 303.8 390.0 0.08 22 100 15720 -46.5 -59.5 21 13.0 -47.5 210 60 438.0 438.0 309.7 438.7 0.13 23 78 17366 -46.3 -59.3 22 13.0 -47.6 217 59 470.5 470.6 312.8 471.5 0.17 24 70 18080 -48.5 -62.5 18 14.0 -49.7 220 58 480.6 480.7 313.5 481.4 0.12 25 65 18567 -50.1 -64.1 18 14.0 -51.2 221 56 487.4 487.5 314.1 488.1 0.11 26 58 19317 -47.5 -61.5 19 14.0 -49.1 223 52 509.4 509.5 315.7 510.5 0.17 27 51 20161 -51.7 -64.7 20 13.0 -52.8 225 49 518.7 518.7 316.2 519.5 0.12 28 50 20290 -51.7 -64.7 20 13.0 -52.8 225 48 521.6 521.7 316.5 522.5 0.13 29 46 20833 -50.1 -64.1 18 14.0 -51.6 538.1 538.1 317.5 539.1 0.15 30 44 21125 -47.9 -62.9 16 15.0 -49.8 550.3 550.4 318.2 551.6 0.18 31 36 22438 -51.5 -65.5 17 14.0 -53.1 573.5 573.6 319.4 574.7 0.16 TRP 306 8319 -47.9 -57.9 31 10.0 -48.2 335 23 316.0 316.1 287.5 316.2 0.05 WND 100 15720 -46.5 -59.5 21 13.0 -47.5 210 60 438.0 438.0 309.7 438.7 0.13 Sounding variables and indices 1000-500 mb thick: 5299.00 m Freezing level: 894.39 mb = 978.90 m = 3211.57 ft Wetbulb zero: 906.62 mb = 692.22 m = 2271.05 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 84.34 % Est. max temperature: 7.96 C = 46.34 F Sfc-Lift cond lev (LCL): 948.17 mb = 93.60 m = 307.09 ft T: 3.75 C 700-500 lapse rate: 12.60 C/km ThetaE index: 3.57 C Layer 925.0- 700.0 mb Conv cond level (CCL): 876.22 mb = 1369.09 m = 4491.72 ft Mean mixing ratio: 4.02 g/kg Conv temperature: 5.81 C = 42.45 F Cap Strength: 1.38 C Lifted Index: 3.01 C Risk: None Lifted Index @300 mb: 18.19 C Lifted Index @700 mb: 1.27 C Showalter Index: 3.83 C Risk: None Total Totals Index: 54.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.00 C Cross Totals Index: 26.00 C K Index: 21.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 203.00 Risk: None Energy Index: -1.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.39 J/kg Max Up Vert Vel: 3.84 m/s Conv Inhibition (B-): 36922.07 J/kg Cap Strength: 2.97 C Lift Cond Lev (LCL): 884.45 mb = 1183.65 m = 3883.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 31 at 27 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 ---------------------------------------------------------- 0 957 19 360 29 -0.0 -29.0 | 293 15 13.7 -5.8 1 925 294 360 35 -0.0 -35.0 | 311 18 13.7 -11.8 2 850 1972 360 35 -0.0 -35.0 | 311 18 13.7 -11.8 3 700 3484 360 40 -0.0 -40.0 | 321 22 13.7 -16.8 4 500 4960 10 33 -5.7 -32.5 | 319 12 8.0 -9.3 5 400 6510 320 36 23.1 -27.6 | 277 37 36.9 -4.4 6 306 8319 335 23 9.7 -20.8 | 264 24 23.5 2.3 7 300 8450 335 19 8.0 -17.2 | 255 23 21.8 6.0 8 250 9660 245 17 15.4 7.2 | 224 42 29.2 30.4 9 200 11130 230 31 23.7 19.9 | 221 57 37.5 43.1 10 150 13040 220 36 23.1 27.6 | 216 63 36.9 50.8 11 100 15720 210 60 30.0 52.0 | 210 87 43.7 75.1 12 70 18080 220 58 37.3 44.4 | 217 85 51.0 67.6 13 50 20290 225 48 33.9 33.9 | 220 74 47.7 57.1 Wind Parameters Mean winds (0-6000m): 0.7 at 35.9 knts Storm direction: 30.7 at 27.0 knts Shear (0-3000m) pos: 0.0 neg: 1.6 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 25.1 deg Storm rel helicity (0-3000m) pos: 34.4 neg: 0.0 tot: 34.4 m^2/s^2 ave: 11.5 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 1.6 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.35 Bulk Shear: 1.38 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 0 33 305 17| 0.0 6.2 6.2| 21.8 0.0 21.8 43.7 0.84| 6.2 5.2 1000 0 34 307 17| 0.0 3.1 3.1| 21.8 0.0 21.8 21.8 0.84| 3.1 2.6 1500 0 34 308 17| 0.0 2.1 2.1| 21.8 0.0 21.8 14.6 0.84| 2.1 1.7 2000 0 34 309 18| 0.0 1.6 1.6| 22.4 0.0 22.4 11.2 0.84| 1.6 1.3 2500 0 35 310 18| 0.0 1.6 1.6| 28.4 0.0 28.4 11.4 0.82| 1.6 1.3 3000 0 35 312 18| 0.0 1.6 1.6| 34.4 0.0 34.4 11.5 0.79| 1.6 1.3 4000 0 37 316 19| 0.3 1.2 1.6| 41.1 0.0 41.1 10.3 0.61| 1.8 1.1 5000 2 36 317 18| 0.8 1.0 1.7| 41.1 -3.9 37.2 7.4 0.37| 2.1 0.8 6000 1 36 314 18| 0.6 1.8 2.4| 41.1 -63.2 -22.1 -3.7 -0.07| 3.4 -0.2 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251108.12.gif