UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for X2618... Searching the city database file for: X2618 ... Date:0000Z 17 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 1016 18 3.8 2.1 89 1.7 3.0 155 17 275.7 276.4 275.4 287.6 4.38 1 1000 146 2.6 0.7 87 1.9 1.8 200 17 275.8 276.4 274.9 286.7 4.02 2 925 773 -0.5 -2.5 86 2.0 -1.3 175 29 278.8 279.4 275.8 288.3 3.43 3 887 1108 -2.1 -4.1 86 2.0 -2.9 177 32 280.5 281.0 276.4 289.4 3.18 4 850 1447 -2.5 -4.8 84 2.3 -3.4 180 36 283.5 284.1 277.9 292.5 3.14 5 840 1541 -3.9 -6.7 81 2.8 -4.9 180 37 283.0 283.5 277.1 290.9 2.75 6 774 2186 -4.3 -6.6 84 2.3 -5.2 182 48 289.3 289.8 280.5 298.1 3.01 7 700 2972 -8.9 -11.4 82 2.5 -9.7 185 60 292.6 293.0 281.1 299.5 2.28 8 594 4221 -16.5 -19.3 79 2.8 -17.2 185 60 297.9 298.1 282.3 302.3 1.40 9 500 5490 -25.9 -29.7 70 3.8 -26.5 185 60 301.5 301.6 282.8 303.6 0.65 10 422 6698 -34.5 -38.9 64 4.4 -34.9 181 65 305.4 305.5 284.0 306.5 0.31 11 400 7070 -38.3 -42.6 64 4.3 -38.6 180 66 305.2 305.3 283.8 306.0 0.22 12 328 8401 -50.5 -55.0 59 4.5 -50.6 170 76 306.3 306.3 284.0 306.5 0.07 13 300 8980 -53.3 -58.2 55 4.9 -53.4 165 81 310.2 310.2 285.5 310.4 0.05 14 278 9468 -54.3 -59.1 55 4.8 -54.4 165 90 315.6 315.6 287.3 315.8 0.05 15 250 10140 -59.3 -64.1 54 4.8 -59.4 165 103 317.9 317.9 288.1 318.0 0.03 16 249 10165 -59.5 -64.3 53 4.8 -59.6 165 103 317.9 318.0 288.1 318.1 0.03 17 240 10395 -61.5 -66.5 51 5.0 -61.6 170 97 318.3 318.3 288.2 318.4 0.02 18 213 11147 -54.9 -59.9 54 5.0 -55.0 177 68 339.7 339.7 294.3 339.9 0.06 19 200 11550 -55.3 -60.3 54 5.0 -55.4 180 52 345.2 345.2 295.6 345.4 0.06 20 166 12736 -57.1 -64.1 41 7.0 -57.3 180 49 361.1 361.1 299.0 361.3 0.04 21 150 13380 -55.5 -63.5 36 8.0 -55.7 180 48 374.5 374.5 301.4 374.7 0.05 22 141 13778 -50.3 -59.3 34 9.0 -50.7 182 46 390.2 390.3 303.9 390.7 0.09 23 100 16010 -50.9 -61.9 26 11.0 -51.5 190 38 429.4 429.4 308.8 429.9 0.09 24 78 17621 -53.5 -64.5 25 11.0 -54.1 180 33 455.6 455.6 311.4 456.1 0.08 25 77 17704 -53.5 -64.5 25 11.0 -54.1 179 33 457.3 457.3 311.5 457.8 0.09 26 70 18320 -52.1 -64.1 22 12.0 -52.9 175 31 472.9 473.0 312.9 473.5 0.10 27 63 19007 -49.1 -61.1 23 12.0 -50.3 177 32 494.0 494.1 314.6 495.0 0.16 28 50 20520 -50.1 -62.1 23 12.0 -51.4 180 33 525.4 525.5 316.7 526.6 0.18 29 48 20785 -51.9 -63.9 22 12.0 -53.0 178 32 527.3 527.3 316.8 528.3 0.15 30 37 22473 -50.1 -63.1 20 13.0 -51.8 168 28 572.7 572.7 319.4 574.2 0.21 31 30 23850 -46.9 -59.9 21 13.0 -49.5 160 25 616.8 616.9 321.5 619.8 0.40 32 29 24075 -46.5 -59.5 21 13.0 -49.3 157 25 623.9 624.1 321.8 627.2 0.43 33 23 25600 -50.1 -63.1 20 13.0 -52.5 140 28 656.1 656.2 323.0 658.9 0.34 34 20 26520 -46.5 -59.5 21 13.0 -50.0 130 29 693.8 694.1 324.4 699.2 0.63 35 19 26862 -44.7 -58.7 19 14.0 -49.0 709.7 710.0 325.0 716.1 0.73 TRP 240 10395 -61.5 -66.5 51 5.0 -61.6 170 97 318.3 318.3 288.2 318.4 0.02 WND 249 10165 -59.5 -64.3 53 4.8 -59.6 165 103 317.9 318.0 288.1 318.1 0.03 Sounding variables and indices 1000-500 mb thick: 5344.00 m Freezing level: 937.10 mb = 671.87 m = 2204.27 ft Wetbulb zero: 957.07 mb = 498.89 m = 1636.77 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 81.15 % Est. max temperature: 10.34 C = 50.60 F Sfc-Lift cond lev (LCL): 989.60 mb = 230.11 m = 754.95 ft T: 2.18 C 700-500 lapse rate: 6.75 C/km ThetaE index: 1.60 C Layer 840.0- 774.0 mb Conv cond level (CCL): 896.50 mb = 1022.93 m = 3356.04 ft Mean mixing ratio: 3.77 g/kg Conv temperature: 8.20 C = 46.76 F Cap Strength: 10.73 C Lifted Index: 12.17 C Risk: None Lifted Index @300 mb: 16.11 C Lifted Index @700 mb: 8.37 C Showalter Index: 8.47 C Risk: None Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 21.10 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 132.00 Risk: None Energy Index: 2.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.08 J/kg Max Up Vert Vel: 4.49 m/s Conv Inhibition (B-): 50398.41 J/kg Cap Strength: 12.05 C Lift Cond Lev (LCL): 936.52 mb = 673.42 m = 2209.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 214 at 37 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 1016 18 155 17 -7.2 15.4 | 61 32 -27.9 -15.4 1 1000 146 200 17 5.8 16.0 | 45 21 -14.9 -14.9 2 925 773 175 29 -2.5 28.9 | 85 23 -23.2 -2.0 3 850 1447 180 36 0.0 36.0 | 104 21 -20.7 5.2 4 700 2972 185 60 5.2 59.8 | 152 33 -15.5 28.9 5 500 5490 185 60 5.2 59.8 | 152 33 -15.5 28.9 6 400 7070 180 66 0.0 66.0 | 150 41 -20.7 35.2 7 300 8980 165 81 -21.0 78.2 | 139 63 -41.7 47.4 8 250 10140 165 103 -26.7 99.5 | 145 83 -47.3 68.6 9 249 10165 165 103 -26.7 99.5 | 145 83 -47.3 68.6 10 240 10395 170 97 -16.8 95.5 | 150 75 -37.5 64.7 11 200 11550 180 52 0.0 52.0 | 136 30 -20.7 21.2 12 150 13380 180 48 0.0 48.0 | 130 27 -20.7 17.2 13 100 16010 190 38 6.6 37.4 | 115 16 -14.1 6.6 14 70 18320 175 31 -2.7 30.9 | 90 23 -23.4 0.0 15 50 20520 180 33 0.0 33.0 | 96 21 -20.7 2.2 16 30 23850 160 25 -8.6 23.5 | 76 30 -29.2 -7.4 17 20 26520 130 29 -22.2 18.6 | 74 45 -42.9 -12.2 Wind Parameters Mean winds (0-6000m): 183.9 at 49.5 knts Storm direction: 213.9 at 37.1 knts Shear (0-3000m) pos: 6.9 neg: 1.4 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 90.9 deg Storm rel helicity (0-3000m) pos: 253.1 neg: -37.0 tot: 216.1 m^2/s^2 ave: 72.0 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 6.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 118.99 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 ------------------------------------------------------------------------------- 500 188 20 57 21| 13.1 0.0 13.1| 36.8 -37.0 -0.2 -0.3 0.08| 20.7 1.7 1000 181 24 71 21| 6.5 4.3 10.9| 84.1 -37.0 47.2 47.2 0.34| 15.1 5.1 1500 180 27 80 21| 6.2 2.9 9.1|117.6 -37.0 80.7 53.8 0.44| 12.1 5.4 2000 180 31 90 20| 6.5 2.2 8.7|162.6 -37.0 125.6 62.8 0.54| 11.1 6.0 2500 181 34 100 20| 6.8 1.7 8.6|209.0 -37.0 172.0 68.8 0.59| 10.6 6.2 3000 182 38 111 21| 6.9 1.4 8.4|253.1 -37.0 216.1 72.0 0.61| 10.0 6.1 4000 183 44 125 22| 5.2 1.1 6.3|253.1 -37.0 216.1 54.0 0.61| 7.5 4.6 5000 184 47 132 24| 4.2 0.9 5.0|253.1 -37.0 216.1 43.2 0.61| 6.0 3.7 6000 184 50 137 25| 3.5 1.0 4.4|253.1 -40.7 212.4 35.4 0.57| 5.3 3.0 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251217.00.gif