UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 9 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 1013 16 2.8 -0.0 82 2.8 1.6 135 13 274.9 275.6 274.1 285.2 3.77 1 1000 120 2.2 -1.8 75 4.0 0.6 125 11 275.4 275.9 273.8 284.5 3.35 2 925 743 -2.3 -5.2 80 2.9 -3.4 150 33 277.0 277.4 273.9 284.8 2.80 3 866 1264 -5.9 -8.7 81 2.8 -6.8 162 27 278.5 278.9 274.0 284.9 2.28 4 850 1412 -1.7 -8.7 59 7.0 -4.1 165 25 284.4 284.8 277.2 291.1 2.33 5 830 1601 -1.7 -14.7 36 13.0 -5.7 164 26 286.3 286.6 277.0 290.7 1.47 6 757 2325 -7.5 -27.5 18 20.0 -11.5 159 31 287.7 287.8 276.3 289.3 0.53 7 700 2928 -12.5 -26.5 30 14.0 -15.2 155 35 288.6 288.8 277.0 290.6 0.63 8 622 3815 -20.5 -27.5 53 7.0 -21.7 174 42 289.4 289.5 277.4 291.4 0.64 9 500 5400 -29.9 -33.7 69 3.8 -30.3 210 56 296.6 296.7 280.5 298.1 0.44 10 490 5544 -30.9 -34.3 72 3.4 -31.3 210 58 297.1 297.2 280.7 298.5 0.43 11 483 5646 -31.7 -35.1 72 3.4 -32.0 210 60 297.3 297.4 280.7 298.7 0.40 12 406 6849 -41.3 -44.7 70 3.4 -41.5 201 47 300.0 300.1 281.6 300.6 0.18 13 400 6950 -42.3 -45.7 69 3.4 -42.5 200 46 300.0 300.0 281.5 300.6 0.16 14 353 7776 -52.1 -55.4 67 3.3 -52.2 207 51 297.7 297.7 280.4 297.9 0.06 15 310 8604 -58.5 -62.1 63 3.6 -58.5 215 56 300.1 300.1 281.4 300.2 0.03 16 308 8645 -58.5 -62.1 63 3.6 -58.5 215 56 300.6 300.6 281.6 300.7 0.03 17 300 8810 -57.9 -61.5 63 3.6 -57.9 215 52 303.7 303.7 283.0 303.9 0.03 18 250 9960 -59.9 -63.7 61 3.8 -60.0 210 48 317.0 317.0 287.8 317.1 0.03 19 200 11360 -58.1 -62.1 60 4.0 -58.2 210 48 340.8 340.8 294.6 340.9 0.04 20 164 12606 -58.5 -62.6 59 4.1 -58.6 213 48 360.0 360.0 298.7 360.2 0.05 21 150 13170 -55.7 -59.6 62 3.9 -55.8 215 48 374.1 374.1 301.4 374.5 0.08 22 142 13521 -53.7 -57.9 60 4.2 -53.9 383.5 383.5 302.9 384.0 0.11 TRP 308 8645 -58.5 -62.1 63 3.6 -58.5 215 56 300.6 300.6 281.6 300.7 0.03 WND 483 5646 -31.7 -35.1 72 3.4 -32.0 210 60 297.3 297.4 280.7 298.7 0.40 Sounding variables and indices 1000-500 mb thick: 5280.00 m Freezing level: 963.33 mb = 424.58 m = 1392.96 ft Wetbulb zero: 988.60 mb = 211.63 m = 694.33 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 53.22 % Est. max temperature: 7.45 C = 45.41 F Sfc-Lift cond lev (LCL): 969.94 mb = 363.89 m = 1193.85 ft T: 0.44 C 700-500 lapse rate: 7.04 C/km ThetaE index: 1.77 C Layer 830.0- 700.0 mb Conv cond level (CCL): 889.51 mb = 1052.49 m = 3453.00 ft Mean mixing ratio: 3.09 g/kg Conv temperature: 5.75 C = 42.34 F Cap Strength: 7.63 C Lifted Index: 10.39 C Risk: None Lifted Index @300 mb: 13.51 C Lifted Index @700 mb: 6.76 C Showalter Index: 5.47 C Risk: None Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 21.20 C K Index: 5.50 Risk: None Sweat Index: 227.39 Risk: None Energy Index: 1.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.81 J/kg Max Up Vert Vel: 2.76 m/s Conv Inhibition (B-): 9806.59 J/kg Cap Strength: 10.25 C Lift Cond Lev (LCL): 913.06 mb = 845.77 m = 2774.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 211 at 29 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 1013 16 135 13 -9.2 9.2 | 57 29 -24.0 -15.5 1 1000 120 125 11 -9.0 6.3 | 52 30 -23.8 -18.4 2 925 743 150 33 -16.5 28.6 | 97 32 -31.3 3.9 3 850 1412 165 25 -6.5 24.1 | 89 21 -21.3 -0.5 4 700 2928 155 35 -14.8 31.7 | 103 30 -29.6 7.0 5 500 5400 210 56 28.0 48.5 | 209 27 13.2 23.8 6 483 5646 210 60 30.0 52.0 | 209 31 15.2 27.3 7 400 6950 200 46 15.7 43.2 | 183 19 0.9 18.5 8 308 8645 215 56 32.1 45.9 | 219 27 17.3 21.2 9 300 8810 215 52 29.8 42.6 | 220 23 15.0 17.9 10 250 9960 210 48 24.0 41.6 | 209 19 9.2 16.9 11 200 11360 210 48 24.0 41.6 | 209 19 9.2 16.9 12 150 13170 215 48 27.5 39.3 | 221 19 12.7 14.6 Wind Parameters Mean winds (0-6000m): 181.0 at 38.4 knts Storm direction: 211.0 at 28.8 knts Shear (0-3000m) pos: 2.7 neg: 1.8 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 48.7 deg Storm rel helicity (0-3000m) pos: 246.5 neg: -41.2 tot: 205.3 m^2/s^2 ave: 68.4 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.03 Bulk Shear: 113.62 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 ------------------------------------------------------------------------------- 500 135 17 64 30| 12.5 0.0 12.5|119.1 -18.3 100.8 201.6 0.71| 18.1 12.7 1000 146 23 80 28| 9.4 0.0 9.4|193.9 -23.8 170.1 170.1 0.68| 15.7 10.7 1500 151 25 84 27| 5.4 0.0 5.4|197.1 -41.2 155.9 103.9 0.49| 12.9 6.3 2000 154 25 86 26| 4.0 0.9 5.0|212.4 -41.2 171.2 85.6 0.51| 10.6 5.4 2500 156 26 89 26| 3.2 1.5 4.7|226.2 -41.2 185.0 74.0 0.51| 9.3 4.7 3000 156 28 91 26| 2.7 1.8 4.5|246.5 -41.2 205.3 68.4 0.52| 8.5 4.4 4000 160 31 99 26| 4.0 1.4 5.4|368.5 -41.2 327.3 81.8 0.63| 8.6 5.5 5000 170 34 114 23| 4.9 1.1 6.0|499.6 -41.2 458.4 91.7 0.72| 9.0 6.5 6000 181 38 134 20| 4.8 1.1 5.9|557.7 -64.6 493.1 82.2 0.66| 9.0 5.9 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251209.12.gif