UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:0000Z 10 DEC 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 9 290 7 SFC 998 25 -2.1 -3.8 88 1.7 -2.7 290 7 271.2 271.7 270.5 279.0 2.89 2 989 97 -2.5 -7.0 71 4.5 -4.0 289 9 271.5 271.9 269.8 277.8 2.28 3 925 623 -7.1 -10.4 77 3.3 -8.1 285 25 272.0 272.4 269.4 277.2 1.87 4 850 1276 -11.7 -14.3 81 2.6 -12.3 285 25 273.9 274.1 269.9 278.1 1.48 5 700 2736 -21.3 -24.2 77 2.9 -21.8 250 23 278.9 279.0 271.8 281.2 0.77 6 500 5130 -39.3 -43.0 68 3.7 -39.5 210 23 285.1 285.2 274.4 285.7 0.17 7 414 6394 -47.7 -52.2 60 4.5 -47.8 202 20 290.1 290.1 276.9 290.4 0.07 8 400 6620 -48.3 -53.0 58 4.7 -48.4 200 19 292.2 292.2 277.9 292.5 0.07 9 380 6957 -49.3 -54.1 57 4.8 -49.4 185 25 295.2 295.2 279.3 295.4 0.06 10 300 8510 -48.7 -54.7 50 6.0 -48.9 200 50 316.7 316.7 287.8 317.0 0.08 11 250 9710 -47.3 -55.3 39 8.0 -47.6 190 40 335.7 335.8 293.3 336.1 0.08 12 200 11190 -45.1 -56.1 28 11.0 -45.7 200 50 361.4 361.4 299.1 361.8 0.10 13 150 13110 -45.1 -60.1 17 15.0 -46.0 200 50 392.3 392.4 304.2 392.7 0.08 14 100 15790 -47.7 -65.7 11 18.0 -48.7 220 44 435.6 435.6 309.4 435.9 0.06 15 79 17345 -48.7 -68.7 8 20.0 -49.9 210 48 463.9 463.9 312.1 464.1 0.05 16 75 17691 -44.3 -64.3 9 20.0 -46.2 208 49 480.0 480.1 313.5 480.6 0.09 17 70 18150 -48.1 -68.1 8 20.0 -49.6 205 50 481.5 481.5 313.6 481.8 0.06 18 69 18245 -48.1 -68.1 8 20.0 -49.6 205 49 483.5 483.5 313.8 483.8 0.06 19 56 19625 -46.7 -67.7 7 21.0 -48.7 198 40 516.4 516.4 316.1 516.9 0.08 20 50 20370 -50.9 -71.9 7 21.0 -52.4 195 35 523.5 523.5 316.5 523.8 0.05 21 47 20775 -48.9 -69.9 7 21.0 -50.8 194 37 537.7 537.7 317.4 538.1 0.07 22 39 21986 -54.5 -74.5 7 20.0 -55.8 190 41 553.0 553.0 318.3 553.2 0.04 23 33 23059 -53.3 -74.3 6 21.0 -54.9 187 46 583.2 583.2 319.8 583.6 0.05 24 31 23466 -49.5 -70.5 7 21.0 -52.0 186 47 604.0 604.0 320.8 604.7 0.09 25 30 23680 -50.5 -71.5 7 21.0 -52.8 185 48 607.0 607.0 320.9 607.6 0.08 26 24 25139 -48.5 -69.5 7 21.0 -51.7 182 46 652.8 652.8 322.8 653.9 0.14 27 20 26330 -51.1 -72.1 6 21.0 -54.1 180 44 679.8 679.8 323.8 680.7 0.11 28 17 27403 -44.3 -67.3 6 23.0 -49.9 733.9 734.0 325.6 736.3 0.26 29 13 29208 -42.7 -66.7 5 24.0 -50.0 798.0 798.2 327.3 801.7 0.37 TRP 380 6957 -49.3 -54.1 57 4.8 -49.4 185 25 295.2 295.2 279.3 295.4 0.06 WND Sounding variables and indices 1000-500 mb thick: 5121.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 75.50 % Est. max temperature: 0.64 C = 33.16 F Sfc-Lift cond lev (LCL): 971.60 mb = 236.47 m = 775.80 ft T: -3.72 C 700-500 lapse rate: 7.52 C/km ThetaE index: 1.79 C Layer 989.0- 850.0 mb Conv cond level (CCL): 877.39 mb = 1031.05 m = 3382.68 ft Mean mixing ratio: 2.04 g/kg Conv temperature: -0.10 C = 31.82 F Cap Strength: 3.23 C Lifted Index: 6.56 C Risk: None Lifted Index @300 mb: 27.75 C Lifted Index @700 mb: 3.23 C Showalter Index: 6.12 C Risk: None Total Totals Index: 52.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.60 C Cross Totals Index: 25.00 C K Index: 10.40 Risk: None Sweat Index: 145.00 Risk: None Energy Index: 1.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.98 J/kg Max Up Vert Vel: 2.82 m/s Conv Inhibition (B-): 70504.47 J/kg Cap Strength: 6.44 C Lift Cond Lev (LCL): 894.90 mb = 878.52 m = 2882.24 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 17 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 ---------------------------------------------------------- 0 998 25 290 7 6.6 -2.4 | 87 10 -10.3 -0.6 1 925 623 285 25 24.1 -6.5 | 303 9 7.3 -4.7 2 850 1276 285 25 24.1 -6.5 | 303 9 7.3 -4.7 3 700 2736 250 23 21.6 7.9 | 206 11 4.8 9.7 4 500 5130 210 23 11.5 19.9 | 166 22 -5.4 21.7 5 400 6620 200 19 6.5 17.9 | 152 22 -10.4 19.7 6 380 6957 185 25 2.2 24.9 | 151 30 -14.7 26.7 7 300 8510 200 50 17.1 47.0 | 180 49 0.2 48.8 8 250 9710 190 40 6.9 39.4 | 166 42 -9.9 41.2 9 200 11190 200 50 17.1 47.0 | 180 49 0.2 48.8 10 150 13110 200 50 17.1 47.0 | 180 49 0.2 48.8 11 100 15790 220 44 28.3 33.7 | 198 37 11.4 35.5 12 70 18150 205 50 21.1 45.3 | 185 47 4.3 47.1 13 50 20370 195 35 9.1 33.8 | 168 36 -7.8 35.6 14 30 23680 185 48 4.2 47.8 | 166 51 -12.7 49.6 15 20 26330 180 44 0.0 44.0 | 160 49 -16.9 45.8 Wind Parameters Mean winds (0-6000m): 246.2 at 22.6 knts Storm direction: 276.2 at 17.0 knts Shear (0-3000m) pos: 0.0 neg: 3.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 112.5 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -50.8 tot: -50.8 m^2/s^2 ave: -16.9 10^-3 m/s^2 rel: -0.78 Storm rel vorticity (0-3000m) horiz: 6.0 stream: -4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 29.18 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 ------------------------------------------------------------------------------- 500 286 14 53 4| 0.0 15.5 15.5| 0.0 -13.5 -13.5 -26.9 -0.71| 15.8-11.2 1000 286 20 329 4| 0.0 9.3 9.3| 0.0 -16.2 -16.2 -16.2 -0.67| 9.4 -6.3 1500 285 21 314 5| 0.0 6.1 6.1| 0.0 -21.5 -21.5 -14.3 -0.70| 7.2 -5.1 2000 282 22 299 6| 0.0 4.6 4.6| 0.0 -31.6 -31.6 -15.8 -0.76| 6.7 -5.1 2500 277 22 282 6| 0.0 3.7 3.7| 0.0 -42.0 -42.0 -16.8 -0.79| 6.4 -5.0 3000 273 23 264 6| 0.0 3.2 3.2| 0.0 -50.8 -50.8 -16.9 -0.78| 6.0 -4.7 4000 264 23 233 7| 0.0 2.6 2.6| 0.0 -68.4 -68.4 -17.1 -0.77| 5.4 -4.1 5000 254 23 213 9| 0.0 2.3 2.3| 0.0 -92.4 -92.4 -18.5 -0.76| 5.0 -3.8 6000 246 23 199 12| 0.0 1.8 1.8| 0.0-115.0-115.0 -19.2 -0.77| 4.5 -3.5 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251210.00.gif