UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for X2618... Searching the city database file for: X2618 ... Date:0000Z 18 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 1019 12 3.4 2.5 94 0.9 3.0 180 25 275.1 275.8 275.2 287.2 4.49 1 1002 148 0.4 -1.9 85 2.3 -0.5 211 25 273.4 273.9 272.5 282.4 3.31 2 1000 164 0.2 -2.2 84 2.4 -0.7 215 25 273.4 273.9 272.4 282.2 3.25 3 925 786 -2.3 -4.5 85 2.2 -3.1 195 35 277.0 277.5 274.1 285.2 2.96 4 850 1453 -5.5 -7.8 84 2.3 -6.3 195 48 280.4 280.8 275.3 287.5 2.50 5 822 1715 -6.7 -9.1 83 2.4 -7.5 196 49 281.8 282.2 275.9 288.5 2.33 6 700 2950 -14.5 -18.5 72 4.0 -15.4 200 54 286.4 286.6 276.8 290.2 1.27 7 638 3644 -19.5 -24.5 64 5.0 -20.4 200 56 288.4 288.6 277.2 291.0 0.82 8 622 3832 -20.9 -25.7 65 4.8 -21.7 200 56 288.9 289.1 277.3 291.3 0.76 9 506 5316 -33.1 -37.3 66 4.2 -33.4 200 60 291.7 291.7 278.0 292.7 0.31 10 500 5400 -33.7 -37.7 67 4.0 -34.0 200 60 292.0 292.0 278.1 292.9 0.30 11 400 6940 -45.1 -49.3 63 4.2 -45.3 195 62 296.4 296.4 279.9 296.8 0.11 12 360 7633 -50.9 -55.2 60 4.3 -51.0 200 62 297.7 297.7 280.4 297.9 0.06 13 329 8220 -49.3 -54.1 57 4.8 -49.4 202 63 307.6 307.7 284.5 307.9 0.07 14 300 8820 -52.3 -58.3 48 6.0 -52.4 205 64 311.6 311.6 285.9 311.8 0.05 15 266 9598 -51.9 -58.6 45 6.7 -52.1 210 69 323.1 323.1 289.8 323.3 0.05 16 250 10000 -51.7 -58.7 43 7.0 -51.9 205 64 329.2 329.2 291.6 329.4 0.06 17 200 11450 -48.5 -56.5 39 8.0 -48.8 205 56 356.0 356.0 298.0 356.4 0.09 18 195 11617 -47.1 -55.1 40 8.0 -47.5 206 55 360.8 360.8 299.0 361.3 0.11 19 166 12668 -53.5 -62.5 33 9.0 -53.8 215 48 367.1 367.1 300.1 367.3 0.05 20 150 13320 -53.3 -62.3 33 9.0 -53.6 220 44 378.2 378.3 302.0 378.5 0.06 21 122 14644 -56.7 -64.7 36 8.0 -56.9 205 46 395.1 395.1 304.6 395.3 0.05 22 109 15362 -55.7 -64.7 32 9.0 -56.0 196 47 409.9 409.9 306.5 410.2 0.06 23 104 15665 -50.9 -59.9 34 9.0 -51.4 193 48 424.6 424.6 308.3 425.2 0.11 24 100 15920 -52.5 -61.5 33 9.0 -53.0 190 48 426.3 426.3 308.5 426.8 0.10 25 92 16456 -54.5 -63.5 32 9.0 -54.9 194 45 432.6 432.6 309.1 433.1 0.08 26 89 16670 -50.9 -59.9 34 9.0 -51.5 195 44 443.9 444.0 310.3 444.7 0.13 27 70 18230 -51.9 -59.9 38 8.0 -52.5 205 36 473.4 473.4 313.0 474.3 0.17 28 67 18513 -53.1 -62.1 33 9.0 -53.8 204 35 476.7 476.8 313.2 477.5 0.13 29 56 19679 -49.1 -58.1 34 9.0 -50.2 198 33 510.9 511.0 315.8 512.6 0.27 30 50 20420 -50.3 -59.3 34 9.0 -51.4 195 31 524.9 525.0 316.7 526.6 0.26 31 45 21111 -47.9 -56.9 35 9.0 -49.4 193 32 546.8 547.0 318.1 549.4 0.39 32 31 23547 -51.9 -60.9 33 9.0 -53.3 186 35 597.5 597.6 320.6 600.0 0.34 33 30 23760 -50.7 -59.7 34 9.0 -52.3 185 35 606.4 606.6 321.0 609.5 0.41 34 23 25520 -43.3 -53.3 32 10.0 -46.7 188 31 676.1 676.5 324.0 685.7 1.17 35 20 26450 -48.5 -57.5 34 9.0 -51.0 190 29 687.7 688.1 324.3 694.6 0.81 36 16 27940 -41.7 -51.7 33 10.0 -46.3 190 30 755.2 756.2 326.6 773.9 2.03 37 15 28375 -43.9 -53.9 32 10.0 -48.1 190 30 762.0 762.8 326.7 777.6 1.67 38 12 29883 -40.7 -50.7 33 10.0 -46.1 190 30 823.5 825.1 328.5 854.2 3.05 39 11 30473 -42.7 -52.7 33 10.0 -47.9 190 31 837.0 838.4 328.7 864.1 2.63 40 10 31120 -40.1 -51.1 30 11.0 -46.4 190 31 869.9 871.7 329.5 907.2 3.50 41 9.3 31613 -42.3 -53.3 29 11.0 -48.3 879.7 881.3 329.7 911.2 2.90 42 8.6 32149 -36.7 -47.7 31 11.0 -44.2 921.5 924.8 331.0 989.5 6.02 TRP 360 7633 -50.9 -55.2 60 4.3 -51.0 200 62 297.7 297.7 280.4 297.9 0.06 WND 266 9598 -51.9 -58.6 45 6.7 -52.1 210 69 323.1 323.1 289.8 323.3 0.05 Sounding variables and indices 1000-500 mb thick: 5236.00 m Freezing level: 994.00 mb = 213.76 m = 701.30 ft Wetbulb zero: 1004.45 mb = 128.28 m = 420.85 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 74.27 % Est. max temperature: 7.85 C = 46.12 F Sfc-Lift cond lev (LCL): 1004.94 mb = 124.36 m = 407.99 ft T: 0.92 C 700-500 lapse rate: 7.84 C/km ThetaE index: 5.03 C Layer 1002.0- 925.0 mb Conv cond level (CCL): 885.74 mb = 1128.09 m = 3701.04 ft Mean mixing ratio: 3.22 g/kg Conv temperature: 7.07 C = 44.73 F Cap Strength: 7.02 C Lifted Index: 7.15 C Risk: None Lifted Index @300 mb: 19.63 C Lifted Index @700 mb: 5.28 C Showalter Index: 4.42 C Risk: None Total Totals Index: 54.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 25.90 C K Index: 16.40 Risk: < 20 % chance of thunderstorms Sweat Index: 258.00 Risk: None Energy Index: 1.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.44 J/kg Max Up Vert Vel: 4.34 m/s Conv Inhibition (B-): 64809.74 J/kg Cap Strength: 6.97 C Lift Cond Lev (LCL): 936.11 mb = 690.79 m = 2266.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 229 at 38 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 1019 12 180 25 0.0 25.0 | 90 29 -28.8 0.0 1 1000 164 215 25 14.3 20.5 | 73 15 -14.4 -4.5 2 925 786 195 35 9.1 33.8 | 114 22 -19.7 8.8 3 850 1453 195 48 12.4 46.4 | 143 27 -16.4 21.4 4 700 2950 200 54 18.5 50.7 | 158 28 -10.3 25.7 5 500 5400 200 60 20.5 56.4 | 165 32 -8.3 31.4 6 400 6940 195 62 16.0 59.9 | 160 37 -12.7 34.9 7 360 7633 200 62 21.2 58.3 | 167 34 -7.6 33.3 8 300 8820 205 64 27.0 58.0 | 177 33 -1.7 33.0 9 266 9598 210 69 34.5 59.8 | 189 35 5.7 34.8 10 250 10000 205 64 27.0 58.0 | 177 33 -1.7 33.0 11 200 11450 205 56 23.7 50.8 | 169 26 -5.1 25.8 12 150 13320 220 44 28.3 33.7 | 177 9 -0.5 8.7 13 100 15920 190 48 8.3 47.3 | 137 30 -20.4 22.3 14 70 18230 205 36 15.2 32.6 | 119 16 -13.6 7.6 15 50 20420 195 31 8.0 29.9 | 103 21 -20.8 4.9 16 30 23760 185 35 3.1 34.9 | 111 28 -25.7 9.9 17 20 26450 190 29 5.0 28.6 | 99 24 -23.7 3.6 18 10 31120 190 31 5.4 30.5 | 103 24 -23.4 5.5 Wind Parameters Mean winds (0-6000m): 199.0 at 50.8 knts Storm direction: 229.0 at 38.1 knts Shear (0-3000m) pos: 4.5 neg: 1.8 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 68.4 deg Storm rel helicity (0-3000m) pos: 176.0 neg: -25.1 tot: 150.9 m^2/s^2 ave: 50.3 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.12 Bulk Shear: 77.97 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 ------------------------------------------------------------------------------- 500 206 27 88 17| 13.1 0.0 13.1| 26.3 -25.1 1.2 2.5 0.08| 22.1 1.8 1000 200 31 102 18| 6.5 5.3 11.8| 73.3 -25.1 48.2 48.2 0.32| 16.7 5.4 1500 198 35 116 20| 6.4 3.5 10.0|123.8 -25.1 98.7 65.8 0.44| 14.1 6.2 2000 197 39 125 21| 5.5 2.6 8.1|141.4 -25.1 116.3 58.2 0.47| 11.2 5.3 2500 198 41 131 22| 4.9 2.1 7.0|159.2 -25.1 134.2 53.7 0.50| 9.5 4.8 3000 198 43 137 22| 4.5 1.8 6.2|176.0 -25.1 150.9 50.3 0.52| 8.3 4.4 4000 199 46 143 24| 3.3 1.6 4.9|187.9 -25.1 162.9 40.7 0.53| 6.6 3.5 5000 199 49 149 25| 2.7 1.5 4.2|199.9 -25.1 174.9 35.0 0.53| 5.5 2.9 6000 199 51 152 26| 2.2 1.5 3.7|204.4 -36.0 168.4 28.1 0.49| 4.9 2.4 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251218.00.gif