UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 13 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 1015 15 5.6 4.9 95 0.7 5.2 155 27 277.6 278.5 277.7 292.1 5.35 1 1000 137 5.4 2.9 84 2.5 4.2 160 40 278.5 279.3 277.4 291.5 4.71 2 925 769 1.4 -0.8 85 2.2 0.5 165 44 280.7 281.4 277.4 291.6 3.90 3 850 1447 -2.5 -4.2 88 1.7 -3.1 150 46 283.5 284.1 278.1 292.9 3.29 4 820 1731 -3.9 -5.5 89 1.6 -4.5 154 50 285.0 285.5 278.6 293.8 3.09 5 720 2745 -10.7 -14.8 72 4.1 -11.9 167 63 288.3 288.6 278.3 293.3 1.68 6 700 2962 -9.9 -13.5 75 3.6 -11.0 170 66 291.5 291.9 280.1 297.3 1.93 7 685 3129 -10.5 -13.2 81 2.7 -11.3 170 68 292.7 293.0 280.8 298.8 2.02 8 500 5480 -26.7 -30.1 73 3.4 -27.2 170 93 300.5 300.6 282.4 302.6 0.63 9 479 5787 -28.5 -32.1 71 3.6 -29.0 170 95 302.0 302.1 282.9 303.8 0.54 10 403 6989 -40.3 -43.8 69 3.5 -40.5 170 101 302.0 302.0 282.4 302.7 0.20 11 400 7040 -41.9 -45.2 70 3.3 -42.1 170 101 300.5 300.6 281.8 301.1 0.17 12 375 7473 -45.5 -49.1 67 3.6 -45.6 170 103 301.4 301.4 282.1 301.8 0.12 13 323 8450 -52.9 -56.5 65 3.6 -53.0 170 108 304.3 304.3 283.2 304.5 0.06 14 308 8754 -56.9 -60.4 64 3.5 -56.9 170 109 302.9 302.9 282.6 303.0 0.04 15 300 8920 -57.9 -61.6 62 3.7 -57.9 170 110 303.7 303.7 283.0 303.8 0.03 16 274 9490 -61.9 -65.5 62 3.6 -61.9 170 116 305.9 305.9 283.8 306.0 0.02 17 269 9605 -62.7 -66.3 62 3.6 -62.7 175 112 306.4 306.4 284.0 306.4 0.02 18 250 10060 -61.7 -65.1 64 3.4 -61.7 175 99 314.3 314.3 286.9 314.4 0.02 19 208 11203 -60.9 -64.5 62 3.6 -61.0 163 74 332.6 332.6 292.4 332.7 0.03 20 206 11263 -57.9 -61.7 62 3.8 -58.0 162 73 338.2 338.2 293.9 338.4 0.05 21 200 11450 -58.1 -62.0 61 3.9 -58.2 160 69 340.8 340.8 294.6 340.9 0.05 22 194 11641 -58.7 -62.6 61 3.9 -58.7 161 67 342.8 342.8 295.0 343.0 0.04 23 179 12154 -51.7 -55.8 61 4.1 -51.9 162 60 362.2 362.2 299.2 362.7 0.11 24 172 12412 -52.7 -57.0 60 4.3 -52.9 163 57 364.7 364.7 299.7 365.2 0.10 25 157 13008 -46.5 -51.1 59 4.6 -46.9 164 50 384.9 384.9 303.2 385.9 0.22 26 150 13310 -47.1 -51.7 59 4.6 -47.4 165 46 388.9 389.0 303.8 389.9 0.22 27 121 14713 -50.9 -55.9 55 5.0 -51.2 168 48 406.6 406.6 306.2 407.4 0.16 28 100 15940 -54.1 -59.1 54 5.0 -54.4 170 50 423.2 423.2 308.2 423.9 0.13 29 93 16404 -54.9 -59.9 54 5.0 -55.2 172 52 430.5 430.5 309.0 431.2 0.13 30 89 16686 -53.1 -59.1 48 6.0 -53.5 173 53 439.5 439.6 309.9 440.3 0.15 31 75 17798 -48.9 -54.9 50 6.0 -49.6 178 56 470.4 470.5 312.8 472.1 0.30 32 70 18250 -49.5 -55.5 49 6.0 -50.2 180 58 478.5 478.6 313.5 480.2 0.29 33 64 18835 -50.7 -56.7 49 6.0 -51.4 488.3 488.4 314.2 489.9 0.28 TRP 269 9605 -62.7 -66.3 62 3.6 -62.7 175 112 306.4 306.4 284.0 306.4 0.02 WND 274 9490 -61.9 -65.5 62 3.6 -61.9 170 116 305.9 305.9 283.8 306.0 0.02 Sounding variables and indices 1000-500 mb thick: 5343.00 m Freezing level: 898.08 mb = 1012.38 m = 3321.43 ft Wetbulb zero: 915.44 mb = 852.28 m = 2796.16 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 80.16 % Est. max temperature: 11.01 C = 51.82 F Sfc-Lift cond lev (LCL): 1004.16 mb = 103.12 m = 338.32 ft T: 5.46 C 700-500 lapse rate: 6.67 C/km ThetaE index: 0.63 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 905.96 mb = 935.79 m = 3070.16 ft Mean mixing ratio: 4.36 g/kg Conv temperature: 9.48 C = 49.06 F Cap Strength: 5.30 C Lifted Index: 8.32 C Risk: None Lifted Index @300 mb: 8.64 C Lifted Index @700 mb: 4.67 C Showalter Index: 7.38 C Risk: None Total Totals Index: 46.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 22.50 C K Index: 16.40 Risk: < 20 % chance of thunderstorms Sweat Index: 185.00 Risk: None Energy Index: 2.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.81 J/kg Max Up Vert Vel: 3.69 m/s Conv Inhibition (B-): 22177.80 J/kg Cap Strength: 8.29 C Lift Cond Lev (LCL): 931.99 mb = 707.94 m = 2322.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 197 at 50 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 1015 15 155 27 -11.4 24.5 | 48 35 -25.9 -23.4 1 1000 137 160 40 -13.7 37.6 | 70 30 -28.1 -10.2 2 925 769 165 44 -11.4 42.5 | 78 26 -25.8 -5.3 3 850 1447 150 46 -23.0 39.8 | 78 38 -37.4 -8.0 4 700 2962 170 66 -11.5 65.0 | 124 31 -25.9 17.2 5 500 5480 170 93 -16.1 91.6 | 145 53 -30.6 43.7 6 400 7040 170 101 -17.5 99.5 | 148 61 -32.0 51.6 7 300 8920 170 110 -19.1 108.3 | 151 69 -33.5 60.5 8 274 9490 170 116 -20.1 114.2 | 152 75 -34.6 66.4 9 269 9605 175 112 -9.8 111.6 | 159 68 -24.2 63.7 10 250 10060 175 99 -8.6 98.6 | 156 56 -23.1 50.8 11 200 11450 160 69 -23.6 64.8 | 114 42 -38.0 17.0 12 150 13310 165 46 -11.9 44.4 | 83 27 -26.3 -3.4 13 100 15940 170 50 -8.7 49.2 | 93 23 -23.1 1.4 14 70 18250 180 58 0.0 58.0 | 125 18 -14.4 10.2 Wind Parameters Mean winds (0-6000m): 166.8 at 66.6 knts Storm direction: 196.8 at 50.0 knts Shear (0-3000m) pos: 7.2 neg: 1.8 tot: 9.0 10-3/s Storm rel Dir Shear (0-3000m): 76.4 deg Storm rel helicity (0-3000m) pos: 381.9 neg: -4.5 tot: 377.4 m^2/s^2 ave: 125.8 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 7.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 102.49 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 ------------------------------------------------------------------------------- 500 161 39 69 29| 16.6 0.0 16.6|122.7 0.0 122.7 245.4 0.90| 17.0 15.3 1000 162 42 73 28| 8.3 1.8 10.1|136.6 0.0 136.6 136.6 0.75| 11.5 8.6 1500 159 43 75 31| 5.5 3.6 9.1|146.6 -4.5 142.1 94.7 0.57| 10.5 5.9 2000 158 45 78 32| 6.3 2.7 9.0|226.3 -4.5 221.7 110.9 0.65| 10.1 6.6 2500 159 47 83 32| 6.9 2.1 9.0|305.9 -4.5 301.4 120.6 0.71| 10.0 7.1 3000 161 50 89 31| 7.2 1.8 9.0|381.9 -4.5 377.4 125.8 0.75| 9.9 7.5 4000 164 55 100 30| 5.4 2.1 7.5|445.9 -4.5 441.3 110.3 0.74| 8.8 6.5 5000 166 61 111 32| 4.3 2.7 7.0|509.8 -4.5 505.3 101.1 0.71| 8.2 5.8 6000 167 67 120 34| 3.6 2.8 6.4|555.8 -4.5 551.3 91.9 0.68| 7.5 5.1 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20251213.12.gif