UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121009.upa.cvt Date: 0900Z 10 DEC 25 Searching for EG743... Searching the city database file for: EG743 ... Date:0900Z 10 DEC 25 Station: EG743 WMO ident: 3743 Latitude: 51.20 Longitude: -1.80 ------------------------------------------------------------------------------- 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 115 230 10 SFC 998 132 10.6 8.2 85 2.4 9.3 230 10 283.9 285.1 282.5 302.9 6.84 2 925 761 6.2 5.0 92 1.2 5.6 245 35 285.6 286.7 282.3 302.2 5.91 3 850 1448 1.4 -1.2 83 2.6 0.3 250 38 287.6 288.3 281.1 299.4 4.12 4 700 2985 -8.3 -19.3 41 11.0 -11.2 245 41 293.3 293.5 280.0 297.0 1.18 5 500 5510 -27.3 -39.3 31 12.0 -28.5 230 59 299.8 299.8 281.6 300.6 0.25 6 400 7080 -34.7 -60.7 5 26.0 -35.8 225 68 309.9 309.9 285.3 310.0 0.03 7 322 8565 -41.5 -66.7 5 25.2 -42.2 220 100 320.3 320.3 288.9 320.4 0.02 8 300 9040 -43.7 -68.7 5 25.0 -44.3 225 91 323.8 323.8 289.9 323.8 0.01 9 250 10260 -47.5 -74.5 3 27.0 -48.0 230 76 335.4 335.4 293.2 335.5 0.01 10 227 10897 -50.3 -76.3 3 26.0 -50.7 230 70 340.6 340.6 294.4 340.6 0.01 11 200 11730 -48.7 -79.7 2 31.0 -49.3 225 65 355.7 355.7 297.8 355.7 0.00 12 150 13610 -51.7 -83.7 1 32.0 -52.2 240 65 381.0 381.0 302.4 381.0 0.00 13 100 16210 -58.5 -86.5 2 28.0 -58.9 260 17 414.7 414.7 307.1 414.7 0.00 TRP 227 10897 -50.3 -76.3 3 26.0 -50.7 230 70 340.6 340.6 294.4 340.6 0.01 WND 322 8565 -41.5 -66.7 5 25.2 -42.2 220 100 320.3 320.3 288.9 320.4 0.02 Sounding variables and indices 1000-500 mb thick: 5395.00 m Freezing level: 828.35 mb = 1669.83 m = 5478.39 ft Wetbulb zero: 846.67 mb = 1479.06 m = 4852.48 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 55.24 % Est. max temperature: 14.37 C = 57.86 F Sfc-Lift cond lev (LCL): 962.37 mb = 432.87 m = 1420.15 ft T: 8.49 C 700-500 lapse rate: 7.52 C/km ThetaE index: 5.89 C Layer 925.0- 500.0 mb Conv cond level (CCL): 910.94 mb = 885.47 m = 2905.04 ft Mean mixing ratio: 6.15 g/kg Conv temperature: 12.70 C = 54.86 F Cap Strength: 0.56 C Lifted Index: 0.04 C Risk: Showers probable Lifted Index @300 mb: 15.34 C Lifted Index @700 mb: -0.18 C Showalter Index: 2.06 C Risk: Showers probable Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 26.10 C K Index: 16.50 Risk: < 20 % chance of thunderstorms Sweat Index: 251.00 Risk: None Energy Index: 0.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.00 J/kg Max Up Vert Vel: 10.20 m/s Conv Inhibition (B-): 4.60 J/kg Cap Strength: 0.56 C Lift Cond Lev (LCL): 923.12 mb = 777.50 m = 2550.82 ft Lev Free Conv (LFC): 868.12 mb = 1276.59 m = 4188.23 ft Equ Level (EL): 498.12 mb = 5536.45 m = 18164.00 ft B at Equ Level: 50.54 J/kg Max Parcel Lev (MPL): 448.12 mb = 6280.70 m = 20605.71 ft Wind level data Storm motion: 269 at 33 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 ---------------------------------------------------------- 0 998 132 230 10 7.7 6.4 | 103 26 -25.6 5.8 1 925 761 245 35 31.7 14.8 | 174 14 -1.5 14.2 2 850 1448 250 38 35.7 13.0 | 191 13 2.5 12.4 3 700 2985 245 41 37.2 17.3 | 193 17 3.9 16.7 4 500 5510 230 59 45.2 37.9 | 198 39 11.9 37.3 5 400 7080 225 68 48.1 48.1 | 197 50 14.8 47.5 6 322 8565 220 100 64.3 76.6 | 202 82 31.0 76.0 7 300 9040 225 91 64.3 64.3 | 206 71 31.1 63.7 8 250 10260 230 76 58.2 48.9 | 207 54 25.0 48.2 9 227 10897 230 70 53.6 45.0 | 205 49 20.4 44.4 10 200 11730 225 65 46.0 46.0 | 196 47 12.7 45.3 11 150 13610 240 65 56.3 32.5 | 216 39 23.0 31.9 12 100 16210 260 17 16.7 3.0 | 98 17 -16.5 2.3 Wind Parameters Mean winds (0-6000m): 238.9 at 44.3 knts Storm direction: 268.9 at 33.3 knts Shear (0-3000m) pos: 5.0 neg: 0.9 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 91.7 deg Storm rel helicity (0-3000m) pos: 125.9 neg: 0.0 tot: 125.9 m^2/s^2 ave: 42.0 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.65 Bulk Shear: 79.59 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 ------------------------------------------------------------------------------- 500 241 20 120 18| 20.8 0.0 20.8| 87.4 0.0 87.4 174.9 0.83| 20.9 17.3 1000 244 27 143 14| 14.0 0.0 14.0|115.6 0.0 115.6 115.6 0.87| 14.5 12.5 1500 246 31 157 13| 10.0 0.0 10.0|122.5 0.0 122.5 81.7 0.86| 10.5 9.0 2000 247 33 166 13| 7.5 0.4 7.9|123.3 0.0 123.3 61.6 0.83| 8.2 6.8 2500 247 34 172 13| 6.0 0.6 6.6|123.8 0.0 123.8 49.5 0.80| 6.9 5.5 3000 247 35 177 13| 5.0 0.9 5.9|125.9 0.0 125.9 42.0 0.76| 6.1 4.7 4000 245 38 184 16| 3.7 1.8 5.5|134.7 0.0 134.7 33.7 0.65| 5.7 3.7 5000 242 41 189 19| 3.0 2.3 5.3|135.6 -2.5 133.1 26.6 0.53| 5.5 2.9 6000 239 44 192 23| 2.5 2.6 5.1|136.2 -6.8 129.4 21.6 0.46| 5.2 2.4 Wrote GIF file: /home/apache/climate/data/raob//EG743/skewt/EG743.skewt.20251210.09.gif