UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 6 DEC 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 1012 17 -0.9 -4.6 76 3.7 -2.2 135 5 271.3 271.8 270.3 278.6 2.68 1 1005 72 0.6 -2.0 83 2.6 -0.4 158 4 273.4 273.9 272.5 282.3 3.28 2 1000 112 0.4 -2.5 81 2.9 -0.7 175 3 273.5 274.1 272.4 282.2 3.18 3 925 733 -4.9 -12.9 53 8.0 -7.1 215 3 274.3 274.6 270.3 278.6 1.53 4 916 810 -5.7 -14.7 49 9.0 -8.1 209 4 274.2 274.5 269.9 278.0 1.33 5 850 1395 -10.5 -17.5 56 7.0 -12.1 160 9 275.1 275.3 270.2 278.4 1.14 6 817 1698 -12.7 -18.7 61 6.0 -14.0 164 9 275.9 276.1 270.5 279.1 1.07 7 700 2858 -21.1 -31.1 40 10.0 -22.4 180 11 279.1 279.2 271.4 280.4 0.41 8 640 3509 -26.9 -37.9 35 11.0 -27.9 187 21 279.8 279.8 271.4 280.5 0.23 9 570 4339 -28.5 -44.5 20 16.0 -29.7 195 34 287.3 287.3 275.5 287.8 0.13 10 563 4427 -29.3 -45.3 20 16.0 -30.4 196 35 287.4 287.4 275.5 287.8 0.12 11 500 5260 -36.1 -49.1 25 13.0 -36.7 205 48 289.0 289.0 276.3 289.3 0.09 12 406 6681 -46.9 -53.9 45 7.0 -47.1 205 46 292.8 292.8 278.2 293.0 0.06 13 400 6780 -47.3 -54.3 45 7.0 -47.5 205 46 293.5 293.5 278.5 293.7 0.06 14 378 7151 -48.7 -55.7 44 7.0 -48.8 198 44 296.5 296.5 279.8 296.6 0.05 15 300 8650 -52.5 -61.5 33 9.0 -52.7 170 38 311.3 311.4 285.8 311.5 0.03 16 281 9075 -54.3 -64.3 28 10.0 -54.5 170 46 314.6 314.6 287.0 314.7 0.02 17 276 9190 -54.5 -64.5 28 10.0 -54.6 172 43 316.0 316.0 287.5 316.1 0.02 18 258 9631 -48.5 -59.5 27 11.0 -48.8 181 34 331.0 331.0 292.0 331.2 0.05 19 250 9840 -48.9 -59.9 27 11.0 -49.2 185 29 333.4 333.4 292.7 333.6 0.05 20 200 11310 -47.5 -62.5 16 15.0 -48.0 175 35 357.6 357.6 298.2 357.7 0.04 21 150 13210 -46.9 -65.9 10 19.0 -47.7 180 33 389.2 389.3 303.7 389.4 0.04 22 100 15890 -46.7 -68.7 6 22.0 -47.9 185 36 437.5 437.5 309.6 437.7 0.04 23 86 16894 -45.9 -67.9 7 22.0 -47.4 189 44 458.4 458.4 311.7 458.7 0.05 24 80 17371 -50.1 -72.1 6 22.0 -51.2 191 47 459.3 459.3 311.7 459.5 0.03 25 76 17706 -51.1 -73.1 6 22.0 -52.1 193 50 464.0 464.0 312.1 464.2 0.03 26 75 17793 -49.7 -71.7 6 22.0 -50.9 193 51 468.7 468.7 312.5 468.9 0.03 27 70 18250 -44.7 -68.7 5 24.0 -46.7 195 54 488.8 488.8 314.1 489.1 0.05 28 68 18444 -44.3 -68.3 5 24.0 -46.4 193 52 493.7 493.7 314.5 494.0 0.06 29 50 20480 -48.7 -72.7 5 24.0 -50.5 170 29 528.7 528.7 316.9 529.0 0.04 30 49 20612 -48.3 -72.3 5 24.0 -50.3 171 29 532.7 532.7 317.1 533.0 0.04 31 42 21614 -53.1 -76.1 4 23.0 -54.5 175 32 544.8 544.9 317.8 545.0 0.03 32 33 23183 -47.7 -71.7 5 24.0 -50.5 182 36 598.1 598.1 320.6 598.6 0.07 33 30 23810 -48.7 -72.7 5 24.0 -51.5 185 38 611.9 611.9 321.2 612.4 0.07 34 21 26142 -50.5 -73.5 5 23.0 -53.6 185 42 672.2 672.2 323.5 672.9 0.09 35 20 26460 -50.1 -74.1 4 24.0 -53.4 185 42 682.8 682.9 323.9 683.5 0.08 36 11 30397 -46.5 -70.5 5 24.0 -52.8 823.2 823.4 327.8 825.9 0.26 TRP 281 9075 -54.3 -64.3 28 10.0 -54.5 170 46 314.6 314.6 287.0 314.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5148.00 m Freezing level: Surface below freezing Freezing level: 1007.80 mb = 49.91 m = 163.73 ft Freezing level: 994.34 mb = 158.87 m = 521.21 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 42.80 % Est. max temperature: 2.77 C = 36.99 F Sfc-Lift cond lev (LCL): 955.01 mb = 478.71 m = 1570.55 ft T: -2.73 C 700-500 lapse rate: 6.24 C/km ThetaE index: 4.24 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 878.10 mb = 1140.67 m = 3742.31 ft Mean mixing ratio: 2.31 g/kg Conv temperature: 2.55 C = 36.59 F Cap Strength: 6.93 C Lifted Index: 7.65 C Risk: None Lifted Index @300 mb: 22.07 C Lifted Index @700 mb: 1.38 C Showalter Index: 9.06 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 18.60 C K Index: -1.90 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 2.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.55 J/kg Max Up Vert Vel: 2.67 m/s Conv Inhibition (B-): 60736.45 J/kg Cap Strength: 7.63 C Lift Cond Lev (LCL): 890.38 mb = 1032.13 m = 3386.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 228 at 16 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 1012 17 135 5 -3.5 3.5 | 64 17 -15.6 -7.5 1 1000 112 175 3 -0.3 3.0 | 57 15 -12.3 -8.0 2 925 733 215 3 1.7 2.5 | 51 13 -10.4 -8.5 3 850 1395 160 9 -3.1 8.5 | 81 15 -15.2 -2.5 4 700 2858 180 11 0.0 11.0 | 90 12 -12.1 0.0 5 500 5260 205 48 20.3 43.5 | 194 34 8.2 32.5 6 400 6780 205 46 19.4 41.7 | 193 32 7.4 30.7 7 300 8650 170 38 -6.6 37.4 | 145 32 -18.7 26.4 8 281 9075 170 46 -8.0 45.3 | 150 40 -20.1 34.3 9 250 9840 185 29 2.5 28.9 | 152 20 -9.6 17.9 10 200 11310 175 35 -3.1 34.9 | 148 28 -15.1 23.9 11 150 13210 180 33 0.0 33.0 | 151 25 -12.1 22.0 12 100 15890 185 36 3.1 35.9 | 160 26 -8.9 24.9 13 70 18250 195 54 14.0 52.2 | 183 41 1.9 41.2 14 50 20480 170 29 -5.0 28.6 | 136 25 -17.1 17.6 15 30 23810 185 38 3.3 37.9 | 162 28 -8.8 26.9 16 20 26460 185 42 3.7 41.8 | 165 32 -8.4 30.8 Wind Parameters Mean winds (0-6000m): 197.7 at 21.8 knts Storm direction: 227.7 at 16.3 knts Shear (0-3000m) pos: 1.5 neg: 1.2 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 37.3 deg Storm rel helicity (0-3000m) pos: 39.4 neg: -14.3 tot: 25.1 m^2/s^2 ave: 8.4 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 46.63 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 ------------------------------------------------------------------------------- 500 179 3 57 14| 4.8 0.0 4.8| 0.0 -12.1 -12.1 -24.3 -0.64| 4.8 -3.1 1000 192 3 56 14| 2.4 1.4 3.8| 9.2 -14.3 -5.1 -5.1 -0.10| 4.3 -0.4 1500 175 5 64 14| 1.6 2.4 4.0| 24.0 -14.3 9.6 6.4 0.24| 4.8 1.1 2000 171 6 69 14| 1.4 1.8 3.3| 27.2 -14.3 12.9 6.4 0.27| 3.9 1.1 2500 172 7 72 14| 1.4 1.5 2.8| 30.0 -14.3 15.6 6.3 0.30| 3.4 1.0 3000 174 8 75 13| 1.5 1.2 2.7| 39.4 -14.3 25.1 8.4 0.39| 3.4 1.4 4000 181 11 90 12| 3.0 0.9 3.9| 92.6 -14.3 78.3 19.6 0.62| 4.6 2.9 5000 192 16 120 10| 4.1 0.7 4.8|166.6 -14.3 152.3 30.5 0.64| 5.4 3.5 6000 198 22 151 11| 3.7 0.6 4.3|189.9 -15.9 174.0 29.0 0.63| 5.0 3.1 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251206.12.gif