UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120817.upa.cvt Date: 1700Z 8 DEC 25 Searching for EG882... Searching the city database file for: EG882 ... Date:1700Z 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 1005 52 12.8 10.5 86 2.3 11.5 200 4 285.5 286.9 284.4 307.6 7.95 1 1000 94 12.6 10.5 87 2.1 11.4 225 10 285.8 287.1 284.5 308.0 7.99 2 925 744 9.0 5.4 78 3.6 7.1 250 35 288.5 289.6 283.7 305.8 6.08 3 850 1438 4.0 1.1 81 2.9 2.6 245 37 290.3 291.2 283.1 304.4 4.87 4 700 2995 -2.5 -9.5 59 7.0 -5.2 250 37 299.7 300.2 284.5 307.9 2.66 5 500 5590 -18.5 -20.1 87 1.6 -18.9 255 51 310.5 310.8 287.3 315.6 1.55 6 400 7210 -30.1 -32.7 78 2.6 -30.4 250 70 315.9 316.0 288.1 318.0 0.61 7 300 9190 -47.5 -51.8 61 4.3 -47.7 260 84 318.4 318.4 288.3 318.8 0.11 8 250 10360 -58.7 -63.1 57 4.4 -58.7 260 89 318.8 318.8 288.4 318.9 0.03 9 238 10668 -61.5 -65.8 57 4.3 -61.5 260 90 319.2 319.2 288.5 319.2 0.02 10 216 11263 -66.9 -71.0 56 4.1 -66.9 260 83 319.7 319.7 288.6 319.7 0.01 11 200 11730 -65.9 -69.9 57 4.0 -66.0 265 85 328.4 328.4 291.3 328.5 0.02 12 150 13510 -61.9 -83.9 4 22.0 -62.0 260 49 363.4 363.4 299.4 363.5 0.00 13 100 16020 -59.1 -85.1 2 26.0 -59.5 270 40 413.5 413.5 306.9 413.6 0.00 TRP 216 11263 -66.9 -71.0 56 4.1 -66.9 260 83 319.7 319.7 288.6 319.7 0.01 WND 238 10668 -61.5 -65.8 57 4.3 -61.5 260 90 319.2 319.2 288.5 319.2 0.02 Sounding variables and indices 1000-500 mb thick: 5496.00 m Freezing level: 757.69 mb = 2396.15 m = 7861.30 ft Wetbulb zero: 800.00 mb = 1924.21 m = 6312.96 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 74.08 % Est. max temperature: 17.48 C = 63.46 F Sfc-Lift cond lev (LCL): 970.84 mb = 340.75 m = 1117.93 ft T: 11.23 C 700-500 lapse rate: 6.17 C/km ThetaE index: 3.58 C Layer 925.0- 700.0 mb Conv cond level (CCL): 886.18 mb = 1095.87 m = 3595.33 ft Mean mixing ratio: 6.85 g/kg Conv temperature: 16.71 C = 62.08 F Cap Strength: 3.28 C Lifted Index: 5.97 C Risk: None Lifted Index @300 mb: 8.50 C Lifted Index @700 mb: 3.28 C Showalter Index: 7.47 C Risk: None Total Totals Index: 42.10 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.60 C K Index: 16.60 Risk: < 20 % chance of thunderstorms Sweat Index: 184.91 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.78 J/kg Max Up Vert Vel: 4.19 m/s Conv Inhibition (B-): 9260.53 J/kg Cap Strength: 5.90 C Lift Cond Lev (LCL): 913.55 mb = 846.20 m = 2776.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 at 30 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 1005 52 200 4 1.4 3.8 | 108 29 -27.8 9.3 1 1000 94 225 10 7.1 7.1 | 120 25 -22.1 12.6 2 925 744 250 35 32.9 12.0 | 192 18 3.7 17.5 3 850 1438 245 37 33.5 15.6 | 192 22 4.3 21.1 4 700 2995 250 37 34.8 12.7 | 197 19 5.6 18.2 5 500 5590 255 51 49.3 13.2 | 227 27 20.1 18.7 6 400 7210 250 70 65.8 23.9 | 231 47 36.6 29.4 7 300 9190 260 84 82.7 14.6 | 249 57 53.5 20.1 8 250 10360 260 89 87.6 15.5 | 250 62 58.5 21.0 9 238 10668 260 90 88.6 15.6 | 250 63 59.4 21.1 10 216 11263 260 83 81.7 14.4 | 249 56 52.5 19.9 11 200 11730 265 85 84.7 7.4 | 257 57 55.5 12.9 12 150 13510 260 49 48.3 8.5 | 234 24 19.1 14.0 13 100 16020 270 40 40.0 -0.0 | 243 12 10.8 5.5 Wind Parameters Mean winds (0-6000m): 250.7 at 39.6 knts Storm direction: 280.7 at 29.7 knts Shear (0-3000m) pos: 5.8 neg: 0.3 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 89.5 deg Storm rel helicity (0-3000m) pos: 189.7 neg: -0.6 tot: 189.1 m^2/s^2 ave: 63.0 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 67.85 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 ------------------------------------------------------------------------------- 500 237 18 137 21| 25.5 0.0 25.5|138.0 0.0 138.0 276.0 0.90| 26.0 23.4 1000 246 26 161 17| 17.1 0.0 17.1|177.9 -0.1 177.9 177.9 0.88| 18.2 16.0 1500 246 29 173 18| 11.4 0.6 12.1|178.6 -0.6 178.0 118.7 0.83| 12.9 10.7 2000 246 31 178 18| 8.6 0.5 9.1|182.1 -0.6 181.5 90.7 0.82| 9.9 8.2 2500 246 32 182 18| 6.9 0.4 7.3|185.4 -0.6 184.8 73.9 0.82| 8.2 6.7 3000 247 33 185 19| 5.8 0.3 6.2|189.7 -0.6 189.1 63.0 0.81| 7.0 5.7 4000 248 35 190 19| 5.1 0.2 5.3|215.7 -0.6 215.1 53.8 0.82| 6.0 4.9 5000 249 37 197 19| 4.6 0.2 4.8|243.1 -0.6 242.5 48.5 0.82| 5.3 4.4 6000 251 40 204 20| 4.1 0.6 4.7|268.0 -0.6 267.3 44.6 0.76| 5.2 3.9 Wrote GIF file: /home/apache/climate/data/raob//EG882/skewt/EG882.skewt.20251208.17.gif