UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122123.upa.cvt Date: 2300Z 21 DEC 25 Searching for EG882... Searching the city database file for: EG882 ... Date:2300Z 21 DEC 25 Station: EG882 WMO ident: 3882 Latitude: 50.90 Longitude: 0.32 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 36 90 11 SFC 998 53 10.6 9.5 93 1.1 10.0 90 11 283.9 285.2 283.2 304.6 7.48 2 989 128 10.8 8.5 86 2.3 9.5 97 14 284.8 286.1 283.2 304.4 7.05 3 956 411 9.6 7.0 84 2.6 8.2 121 27 286.4 287.6 283.3 304.9 6.58 4 925 684 7.6 6.1 90 1.5 6.8 145 40 287.1 288.2 283.4 305.1 6.39 5 878 1113 5.8 3.9 88 1.9 4.8 139 46 289.5 290.5 283.8 306.0 5.77 6 850 1378 3.6 1.9 89 1.7 2.8 135 50 289.9 290.8 283.3 304.7 5.16 7 808 1787 0.4 0.3 99 0.1 0.4 138 47 290.7 291.6 283.3 304.7 4.84 8 748 2404 -2.5 -2.6 99 0.1 -2.6 142 43 294.1 294.8 284.0 306.5 4.22 9 700 2928 -5.3 -5.6 98 0.3 -5.4 145 39 296.6 297.3 284.3 307.4 3.60 10 650 3505 -8.9 -9.3 97 0.4 -9.1 145 41 298.9 299.4 284.5 307.8 2.91 11 632 3723 -9.5 -10.4 93 0.9 -9.8 145 41 300.6 301.1 284.9 309.0 2.74 12 563 4606 -15.1 -16.2 91 1.1 -15.4 145 44 304.1 304.5 285.4 310.2 1.92 13 557 4687 -15.7 -17.4 87 1.7 -16.2 145 44 304.4 304.7 285.3 309.9 1.75 14 546 4837 -17.3 -21.3 71 4.0 -18.3 145 45 304.2 304.4 284.7 308.3 1.28 15 535 4989 -18.1 -20.7 80 2.6 -18.7 145 45 305.0 305.3 285.1 309.5 1.37 16 517 5243 -20.5 -27.5 53 7.0 -21.8 145 46 305.1 305.3 284.4 307.7 0.77 17 509 5359 -21.3 -27.3 58 6.0 -22.4 145 47 305.5 305.7 284.6 308.2 0.80 18 506 5402 -21.5 -29.5 48 8.0 -22.9 145 47 305.8 305.9 284.5 308.0 0.66 19 500 5490 -22.3 -28.3 58 6.0 -23.4 145 47 305.9 306.0 284.7 308.3 0.74 20 469 5957 -25.9 -29.6 71 3.7 -26.5 146 50 307.0 307.2 285.1 309.4 0.70 21 411 6900 -32.7 -35.8 74 3.1 -33.0 149 56 310.1 310.2 285.9 311.6 0.44 22 400 7090 -34.3 -37.1 76 2.8 -34.6 150 57 310.4 310.5 285.9 311.8 0.40 23 383 7393 -37.1 -39.0 82 1.9 -37.2 151 58 310.6 310.7 285.9 311.8 0.34 24 381 7429 -37.5 -40.8 71 3.3 -37.8 151 58 310.5 310.6 285.9 311.6 0.28 25 358 7856 -41.3 -43.6 78 2.3 -41.5 152 59 311.0 311.1 286.0 311.8 0.22 26 355 7913 -41.7 -44.9 71 3.2 -41.9 152 59 311.2 311.3 286.0 312.0 0.20 27 300 9030 -52.3 -56.5 60 4.2 -52.4 155 63 311.6 311.6 286.0 311.9 0.06 28 276 9563 -57.1 -61.3 59 4.2 -57.2 164 65 312.2 312.2 286.2 312.4 0.04 29 272 9655 -57.9 -62.3 57 4.4 -57.9 165 65 312.4 312.4 286.2 312.5 0.03 30 258 9985 -60.7 -65.7 52 5.0 -60.7 171 59 313.0 313.0 286.4 313.1 0.02 31 250 10180 -62.5 -67.1 54 4.6 -62.6 175 56 313.1 313.2 286.5 313.2 0.02 32 229 10715 -66.7 -70.8 56 4.1 -66.7 170 49 314.7 314.7 287.0 314.8 0.01 33 225 10821 -66.1 -70.6 53 4.5 -66.1 169 47 317.2 317.2 287.8 317.3 0.01 34 222 10903 -66.1 -68.9 68 2.8 -66.1 169 46 318.4 318.4 288.2 318.5 0.02 35 219 10986 -63.3 -70.3 38 7.0 -63.4 168 45 324.0 324.0 290.0 324.1 0.01 36 210 11242 -65.3 -72.3 37 7.0 -65.4 167 41 324.8 324.8 290.2 324.8 0.01 37 208 11300 -65.7 -73.7 32 8.0 -65.7 166 40 325.0 325.0 290.3 325.1 0.01 38 203 11449 -62.9 -78.9 10 16.0 -63.0 166 38 331.7 331.7 292.2 331.8 0.00 39 200 11540 -63.5 -80.5 8 17.0 -63.6 165 37 332.2 332.2 292.3 332.2 0.00 40 177 12301 -58.9 -82.9 3 24.0 -59.1 180 29 351.6 351.6 297.0 351.6 0.00 41 150 13340 -60.3 -84.3 3 24.0 -60.5 200 18 366.2 366.2 299.9 366.2 0.00 42 144 13595 -58.1 -84.1 2 26.0 -58.3 203 19 374.3 374.3 301.3 374.3 0.00 43 125 14478 -61.1 -85.1 3 24.0 -61.3 211 22 384.3 384.3 302.9 384.4 0.00 44 100 15860 -61.7 -86.7 2 25.0 -61.9 225 27 408.5 408.5 306.3 408.5 0.00 45 93 16309 -62.5 -85.5 3 23.0 -62.7 415.5 415.5 307.2 415.5 0.00 TRP 229 10715 -66.7 -70.8 56 4.1 -66.7 170 49 314.7 314.7 287.0 314.8 0.01 WND 272 9655 -57.9 -62.3 57 4.4 -57.9 165 65 312.4 312.4 286.2 312.5 0.03 Sounding variables and indices 1000-500 mb thick: 5454.00 m Freezing level: 799.72 mb = 1872.43 m = 6143.05 ft Wetbulb zero: 800.40 mb = 1862.95 m = 6111.97 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 89.29 % Est. max temperature: 16.64 C = 61.95 F Sfc-Lift cond lev (LCL): 981.65 mb = 190.42 m = 624.73 ft T: 10.54 C 700-500 lapse rate: 6.64 C/km ThetaE index: 1.27 C Layer 850.0- 748.0 mb Conv cond level (CCL): 877.34 mb = 1119.30 m = 3672.21 ft Mean mixing ratio: 6.58 g/kg Conv temperature: 16.22 C = 61.20 F Cap Strength: 3.53 C Lifted Index: 3.29 C Risk: None Lifted Index @300 mb: 4.93 C Lifted Index @700 mb: 1.42 C Showalter Index: 3.40 C Risk: None Total Totals Index: 50.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 24.20 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 191.80 Risk: None Energy Index: 0.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.66 J/kg Max Up Vert Vel: 5.23 m/s Conv Inhibition (B-): 9776.01 J/kg Cap Strength: 3.53 C Lift Cond Lev (LCL): 918.14 mb = 745.22 m = 2444.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 172 at 32 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 ---------------------------------------------------------- 0 998 53 90 11 -11.0 0.0 | 12 32 -6.8 -31.5 1 925 684 145 40 -22.9 32.8 | 94 19 -18.7 1.2 2 850 1378 135 50 -35.4 35.4 | 97 31 -31.1 3.8 3 700 2928 145 39 -22.4 31.9 | 91 18 -18.1 0.4 4 500 5490 145 47 -27.0 38.5 | 107 24 -22.7 7.0 5 400 7090 150 57 -28.5 49.4 | 126 30 -24.3 17.8 6 300 9030 155 63 -26.6 57.1 | 139 34 -22.4 25.6 7 272 9655 165 65 -16.8 62.8 | 158 34 -12.6 31.3 8 250 10180 175 56 -4.9 55.8 | 178 24 -0.6 24.3 9 229 10715 170 49 -8.5 48.3 | 166 17 -4.3 16.7 10 200 11540 165 37 -9.6 35.7 | 128 7 -5.3 4.2 11 150 13340 200 18 6.2 16.9 | 325 18 10.4 -14.6 12 100 15860 225 27 19.1 19.1 | 298 26 23.3 -12.4 Wind Parameters Mean winds (0-6000m): 142.3 at 42.4 knts Storm direction: 172.3 at 31.8 knts Shear (0-3000m) pos: 5.6 neg: 0.8 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 80.2 deg Storm rel helicity (0-3000m) pos: 252.8 neg: -12.9 tot: 239.9 m^2/s^2 ave: 80.0 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 6.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.24 Bulk Shear: 57.96 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 ------------------------------------------------------------------------------- 500 131 22 37 21| 27.9 0.0 27.9|196.0 0.0 196.0 392.0 0.93| 29.7 27.7 1000 138 32 65 19| 20.1 0.0 20.1|250.7 0.0 250.7 250.7 0.84| 22.8 19.1 1500 137 37 79 21| 13.4 1.5 15.0|251.6 -0.7 250.9 167.3 0.73| 17.5 12.7 2000 137 40 84 23| 9.4 1.2 10.5|251.6 -3.1 248.5 124.3 0.67| 14.2 9.5 2500 138 41 87 23| 7.0 0.9 7.9|251.6 -8.1 243.5 97.4 0.60| 12.3 7.4 3000 139 40 87 22| 5.6 0.8 6.3|252.8 -12.9 239.9 80.0 0.56| 10.8 6.1 4000 140 41 89 22| 4.2 0.9 5.1|264.9 -12.9 252.0 63.0 0.57| 8.5 4.8 5000 142 41 92 21| 3.3 1.0 4.4|276.9 -12.9 264.1 52.8 0.57| 7.1 4.1 6000 142 42 95 22| 3.2 0.8 4.1|303.4 -12.9 290.5 48.4 0.59| 6.4 3.8 Wrote GIF file: /home/apache/climate/data/raob//EG882/skewt/EG882.skewt.20251221.23.gif