UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120814.upa.cvt Date: 1400Z 8 DEC 25 Searching for EG882... Searching the city database file for: EG882 ... Date:1400Z 8 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 ------------------------------------------------------------------------------- SFC 1004 52 13.2 12.4 95 0.8 12.7 205 8 286.0 287.6 285.7 311.1 9.04 1 1000 85 12.8 12.1 96 0.7 12.4 220 10 286.0 287.5 285.5 310.6 8.90 2 925 736 8.0 7.2 95 0.8 7.6 240 43 287.5 288.7 284.1 306.9 6.90 3 850 1430 4.0 3.8 99 0.2 3.9 245 40 290.3 291.4 284.3 307.3 5.92 4 700 2984 -3.9 -7.5 76 3.6 -5.3 245 39 298.2 298.7 284.4 307.6 3.11 5 500 5570 -18.7 -25.7 54 7.0 -20.2 260 68 310.2 310.4 286.5 313.4 0.94 6 400 7190 -31.5 -34.4 75 2.9 -31.9 255 76 314.0 314.1 287.3 315.9 0.52 7 300 9160 -48.5 -52.6 62 4.1 -48.6 250 85 317.0 317.0 287.9 317.4 0.10 8 250 10330 -59.1 -61.9 70 2.8 -59.2 255 97 318.2 318.2 288.2 318.3 0.04 9 214 11281 -67.6 -70.7 65 3.1 -67.6 260 109 319.5 319.5 288.6 319.5 0.01 10 212 11337 -68.1 -71.2 64 3.1 -68.1 265 106 319.5 319.5 288.6 319.6 0.01 11 200 11690 -63.1 -76.1 16 13.0 -63.2 265 83 332.8 332.8 292.5 332.9 0.01 12 150 13490 -60.7 -83.7 3 23.0 -60.9 255 60 365.5 365.5 299.8 365.5 0.00 13 100 16010 -60.3 -85.3 2 25.0 -60.6 275 46 411.2 411.2 306.7 411.2 0.00 TRP 212 11337 -68.1 -71.2 64 3.1 -68.1 265 106 319.5 319.5 288.6 319.6 0.01 WND 214 11281 -67.6 -70.7 65 3.1 -67.6 260 109 319.5 319.5 288.6 319.5 0.01 Sounding variables and indices 1000-500 mb thick: 5485.00 m Freezing level: 774.05 mb = 2216.84 m = 7272.99 ft Wetbulb zero: 786.62 mb = 2050.23 m = 6726.38 ft Precipitable water: 0.92 inches Sfc-500 mean rel hum: 78.60 % Est. max temperature: 17.36 C = 63.25 F Sfc-Lift cond lev (LCL): 992.17 mb = 150.66 m = 494.29 ft T: 12.32 C 700-500 lapse rate: 5.72 C/km ThetaE index: 4.22 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 940.53 mb = 596.99 m = 1958.62 ft Mean mixing ratio: 7.69 g/kg Conv temperature: 14.34 C = 57.82 F Cap Strength: 1.00 C Lifted Index: 4.60 C Risk: None Lifted Index @300 mb: 6.27 C Lifted Index @700 mb: 1.00 C Showalter Index: 5.36 C Risk: None Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.70 C Cross Totals Index: 22.50 C K Index: 22.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 250.95 Risk: None Energy Index: 1.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.35 J/kg Max Up Vert Vel: 6.38 m/s Conv Inhibition (B-): 0.15 J/kg Cap Strength: 4.51 C Lift Cond Lev (LCL): 943.66 mb = 569.21 m = 1867.45 ft Lev Free Conv (LFC): 928.66 mb = 703.00 m = 2306.41 ft Equ Level (EL): 788.66 mb = 2029.48 m = 6658.30 ft B at Equ Level: 20.26 J/kg Max Parcel Lev (MPL): 688.66 mb = 3109.50 m = 10201.64 ft Wind level data Storm motion: 281 at 35 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 1004 52 205 8 3.4 7.3 | 114 34 -31.1 13.8 1 1000 85 220 10 6.4 7.7 | 117 31 -28.1 14.2 2 925 736 240 43 37.2 21.5 | 186 28 2.7 28.0 3 850 1430 245 40 36.3 16.9 | 184 24 1.7 23.5 4 700 2984 245 39 35.3 16.5 | 182 23 0.8 23.0 5 500 5570 260 68 67.0 11.8 | 241 37 32.5 18.4 6 400 7190 255 76 73.4 19.7 | 236 47 38.9 26.2 7 300 9160 250 85 79.9 29.1 | 232 58 45.4 35.6 8 250 10330 255 97 93.7 25.1 | 242 67 59.2 31.7 9 214 11281 260 109 107.3 18.9 | 251 77 72.8 25.5 10 212 11337 265 106 105.6 9.2 | 257 73 71.1 15.8 11 200 11690 265 83 82.7 7.2 | 254 50 48.2 13.8 12 150 13490 255 60 58.0 15.5 | 227 32 23.4 22.1 13 100 16010 275 46 45.8 -4.0 | 257 12 11.3 2.5 Wind Parameters Mean winds (0-6000m): 250.7 at 46.8 knts Storm direction: 280.7 at 35.1 knts Shear (0-3000m) pos: 5.9 neg: 0.1 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 70.1 deg Storm rel helicity (0-3000m) pos: 272.9 neg: -9.2 tot: 263.8 m^2/s^2 ave: 87.9 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 6.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.19 Bulk Shear: 104.54 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 ------------------------------------------------------------------------------- 500 231 21 137 27| 27.7 0.0 27.7|195.6 0.0 195.6 391.2 0.94| 27.9 26.4 1000 238 31 160 24| 18.3 0.0 18.3|268.2 -1.3 266.9 266.9 0.90| 20.2 18.2 1500 240 34 168 24| 11.7 0.0 11.7|268.2 -4.3 263.9 175.9 0.84| 14.4 12.0 2000 242 36 172 24| 8.8 0.1 8.9|268.2 -6.0 262.1 131.1 0.82| 10.9 8.9 2500 242 36 174 23| 7.0 0.1 7.2|268.2 -7.8 260.4 104.2 0.81| 8.8 7.1 3000 243 37 176 23| 5.9 0.1 6.1|272.9 -9.2 263.8 87.9 0.80| 7.5 6.0 4000 245 39 182 23| 6.0 0.1 6.1|348.2 -9.2 339.0 84.8 0.84| 7.2 6.0 5000 248 43 192 23| 6.0 0.1 6.1|433.3 -9.2 424.2 84.8 0.84| 7.0 5.9 6000 251 47 204 24| 5.5 0.2 5.7|481.8 -16.9 464.9 77.5 0.79| 6.7 5.3 Wrote GIF file: /home/apache/climate/data/raob//EG882/skewt/EG882.skewt.20251208.14.gif