UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120813.upa.cvt Date: 1300Z 8 DEC 25 Searching for EG023... Searching the city database file for: EG023 ... Date:1300Z 8 DEC 25 Station: EG023 WMO ident: 3023 Latitude: 57.35 Longitude: -7.37 ------------------------------------------------------------------------------- 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 -71 220 20 SFC 991 4 10.2 6.4 77 3.8 8.2 220 20 284.1 285.1 281.8 301.0 6.09 2 925 574 5.6 3.7 88 1.9 4.6 220 28 285.0 286.0 281.4 300.2 5.39 3 850 1259 0.4 -0.9 91 1.3 -0.2 230 32 286.6 287.3 280.7 298.6 4.21 4 700 2791 -8.7 -20.7 37 12.0 -11.7 235 32 292.9 293.0 279.6 296.1 1.05 5 500 5300 -28.9 -44.9 20 16.0 -30.2 230 29 297.8 297.8 280.6 298.3 0.14 6 400 6850 -41.9 -46.8 59 4.9 -42.1 165 26 300.5 300.6 281.8 301.0 0.14 7 300 8760 -50.3 -68.3 10 18.0 -50.6 240 30 314.5 314.5 286.9 314.5 0.01 8 291 8959 -50.9 -69.9 9 19.0 -51.2 230 31 316.4 316.4 287.6 316.4 0.01 9 250 9950 -49.9 -75.9 3 26.0 -50.3 230 33 331.9 331.9 292.2 331.9 0.01 10 200 11400 -51.3 -80.3 2 29.0 -51.7 245 31 351.5 351.5 297.0 351.5 0.00 11 150 13260 -54.1 -82.1 2 28.0 -54.5 250 30 376.9 376.9 301.8 376.9 0.00 TRP 291 8959 -50.9 -69.9 9 19.0 -51.2 230 31 316.4 316.4 287.6 316.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5371.00 m Freezing level: 843.41 mb = 1326.34 m = 4351.46 ft Wetbulb zero: 852.44 mb = 1235.82 m = 4054.49 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 51.58 % Est. max temperature: 13.02 C = 55.44 F Sfc-Lift cond lev (LCL): 935.44 mb = 481.21 m = 1578.75 ft T: 6.35 C 700-500 lapse rate: 8.05 C/km ThetaE index: 4.89 C Layer 925.0- 500.0 mb Conv cond level (CCL): 894.53 mb = 845.33 m = 2773.37 ft Mean mixing ratio: 5.52 g/kg Conv temperature: 11.77 C = 53.18 F Cap Strength: 0.57 C Lifted Index: -0.15 C Risk: Thunderstorms probable Lifted Index @300 mb: 10.15 C Lifted Index @700 mb: 0.54 C Showalter Index: 1.08 C Risk: Showers probable Total Totals Index: 57.30 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.30 C Cross Totals Index: 28.00 C K Index: 16.40 Risk: < 20 % chance of thunderstorms Sweat Index: 259.00 Risk: None Energy Index: -0.05 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.68 J/kg Max Up Vert Vel: 6.73 m/s Conv Inhibition (B-): 5.50 J/kg Cap Strength: 0.57 C Lift Cond Lev (LCL): 905.32 mb = 748.23 m = 2454.81 ft Lev Free Conv (LFC): 860.32 mb = 1161.26 m = 3809.86 ft Equ Level (EL): 770.32 mb = 2035.69 m = 6678.70 ft B at Equ Level: 10.83 J/kg Max Parcel Lev (MPL): 680.32 mb = 3003.67 m = 9854.44 ft Wind level data Storm motion: 259 at 22 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 ---------------------------------------------------------- 0 991 4 220 20 12.9 15.3 | 140 14 -9.2 11.0 1 925 574 220 28 18.0 21.4 | 167 18 -4.1 17.2 2 850 1259 230 32 24.5 20.6 | 189 16 2.4 16.3 3 700 2791 235 32 26.2 18.4 | 196 15 4.1 14.1 4 500 5300 230 29 22.2 18.6 | 181 14 0.1 14.4 5 400 6850 165 26 -6.7 25.1 | 126 36 -28.8 20.8 6 300 8760 240 30 26.0 15.0 | 200 11 3.9 10.7 7 291 8959 230 31 23.7 19.9 | 186 16 1.7 15.6 8 250 9950 230 33 25.3 21.2 | 191 17 3.2 16.9 9 200 11400 245 31 28.1 13.1 | 214 11 6.0 8.8 10 150 13260 250 30 28.2 10.3 | 226 9 6.1 6.0 Wind Parameters Mean winds (0-6000m): 229.0 at 30.0 knts Storm direction: 259.0 at 22.5 knts Shear (0-3000m) pos: 1.5 neg: 1.2 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 54.9 deg Storm rel helicity (0-3000m) pos: 67.7 neg: -1.3 tot: 66.4 m^2/s^2 ave: 22.1 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.89 Bulk Shear: 7.86 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 ------------------------------------------------------------------------------- 500 220 23 153 15| 0.0 7.2 7.2| 26.3 0.0 26.3 52.6 0.92| 7.2 6.6 1000 222 26 163 16| 2.4 3.6 6.0| 48.0 0.0 48.0 48.0 0.93| 6.2 5.8 1500 225 28 171 16| 2.6 2.4 5.0| 60.4 0.0 60.4 40.3 0.94| 5.1 4.8 2000 226 29 176 16| 2.1 1.8 3.9| 63.3 0.0 63.3 31.7 0.93| 4.1 3.8 2500 228 30 180 16| 1.8 1.4 3.2| 66.2 0.0 66.2 26.5 0.92| 3.4 3.2 3000 229 30 183 15| 1.5 1.2 2.7| 67.7 -1.3 66.4 22.1 0.88| 3.0 2.7 4000 230 30 185 15| 1.1 0.8 1.9| 67.7 -7.4 60.3 15.1 0.72| 2.5 1.8 5000 231 30 185 15| 0.9 0.6 1.5| 67.7 -13.4 54.2 10.8 0.59| 2.1 1.3 6000 229 30 182 15| 0.8 1.5 2.2| 67.7 -67.9 -0.3 -0.0 0.05| 3.1 0.1 Wrote GIF file: /home/apache/climate/data/raob//EG023/skewt/EG023.skewt.20251208.13.gif