UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102108.upa.cvt Date: 0800Z 21 OCT 25 Searching for EG743... Searching the city database file for: EG743 ... Date:0800Z 21 OCT 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 -55 SFC 978 131 11.8 9.6 86 2.2 10.6 240 7 286.8 288.1 284.7 308.2 7.69 2 925 595 8.6 8.1 97 0.5 8.3 255 24 288.1 289.4 284.8 308.8 7.34 3 850 1290 4.6 4.2 97 0.4 4.4 265 25 291.0 292.0 284.7 308.4 6.09 4 700 2853 -2.3 -8.3 63 6.0 -4.7 255 19 299.9 300.5 284.9 308.9 2.92 5 500 5450 -17.9 -43.9 8 26.0 -21.2 265 36 311.2 311.2 285.9 311.8 0.16 6 400 7080 -28.1 -31.8 71 3.7 -28.7 275 51 318.5 318.6 289.0 320.8 0.67 7 300 9070 -45.1 -49.1 64 4.0 -45.3 275 55 321.8 321.8 289.5 322.3 0.15 8 250 10260 -54.5 -57.6 68 3.1 -54.6 275 54 325.0 325.1 290.3 325.3 0.06 9 226 10902 -58.3 -61.5 67 3.2 -58.3 280 50 328.7 328.8 291.4 328.9 0.04 10 200 11680 -53.7 -75.7 5 22.0 -54.0 280 53 347.7 347.7 296.1 347.8 0.01 11 150 13530 -54.1 -82.1 2 28.0 -54.5 285 42 376.9 376.9 301.8 376.9 0.00 12 100 16100 -58.3 -85.3 2 27.0 -58.7 280 29 415.1 415.1 307.2 415.1 0.00 TRP 226 10902 -58.3 -61.5 67 3.2 -58.3 280 50 328.7 328.8 291.4 328.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5505.00 m Freezing level: 750.00 mb = 2332.00 m = 7650.83 ft Wetbulb zero: 777.09 mb = 2011.91 m = 6600.69 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 61.05 % Est. max temperature: 17.17 C = 62.90 F Sfc-Lift cond lev (LCL): 946.08 mb = 407.44 m = 1336.73 ft T: 9.89 C 700-500 lapse rate: 6.01 C/km ThetaE index: 0.35 C Layer 850.0- 700.0 mb Conv cond level (CCL): 905.22 mb = 772.62 m = 2534.83 ft Mean mixing ratio: 7.24 g/kg Conv temperature: 13.85 C = 56.94 F Cap Strength: 2.54 C Lifted Index: 5.34 C Risk: None Lifted Index @300 mb: 9.55 C Lifted Index @700 mb: 2.54 C Showalter Index: 5.40 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.50 C Cross Totals Index: 22.10 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 136.40 Risk: None Energy Index: 0.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.94 J/kg Max Up Vert Vel: 4.89 m/s Conv Inhibition (B-): 10773.84 J/kg Cap Strength: 5.22 C Lift Cond Lev (LCL): 914.03 mb = 693.04 m = 2273.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 20 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 ---------------------------------------------------------- 0 978 131 240 7 6.1 3.5 | 132 16 -12.2 10.8 1 925 595 255 24 23.2 6.2 | 200 14 4.9 13.5 2 850 1290 265 25 24.9 2.2 | 215 12 6.6 9.5 3 700 2853 255 19 18.4 4.9 | 180 12 0.1 12.2 4 500 5450 265 36 35.9 3.1 | 239 20 17.6 10.4 5 400 7080 275 51 50.8 -4.4 | 265 33 32.5 2.8 6 300 9070 275 55 54.8 -4.8 | 266 37 36.5 2.5 7 250 10260 275 54 53.8 -4.7 | 266 36 35.5 2.6 8 226 10902 280 50 49.2 -8.7 | 273 31 31.0 -1.4 9 200 11680 280 53 52.2 -9.2 | 273 34 33.9 -1.9 10 150 13530 285 42 40.6 -10.9 | 279 23 22.3 -3.6 11 100 16100 280 29 28.6 -5.0 | 258 11 10.3 2.3 Wind Parameters Mean winds (0-6000m): 261.8 at 26.2 knts Storm direction: 291.8 at 19.7 knts Shear (0-3000m) pos: 3.0 neg: 0.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 57.5 deg Storm rel helicity (0-3000m) pos: 80.7 neg: -21.0 tot: 59.7 m^2/s^2 ave: 19.9 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.79 Bulk Shear: 15.14 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 ------------------------------------------------------------------------------- 500 252 16 167 13| 17.9 0.0 17.9| 64.7 0.0 64.7 129.3 0.98| 18.2 17.8 1000 256 20 187 12| 9.5 0.0 9.5| 73.1 0.0 73.1 73.1 0.94| 10.7 10.1 1500 259 22 195 12| 6.0 0.0 6.0| 75.0 -4.3 70.7 47.1 0.81| 7.9 6.5 2000 260 22 197 12| 4.5 0.6 5.1| 75.0 -11.3 63.7 31.8 0.65| 6.5 4.3 2500 260 22 196 12| 3.6 0.9 4.5| 75.0 -18.2 56.7 22.7 0.52| 5.7 3.0 3000 259 21 194 12| 3.0 0.7 3.7| 80.7 -21.0 59.7 19.9 0.50| 5.2 2.6 4000 259 22 196 12| 3.1 0.5 3.6|103.0 -21.0 82.0 20.5 0.58| 4.8 2.8 5000 260 24 205 13| 3.2 0.4 3.6|127.4 -21.0 106.4 21.3 0.61| 4.5 2.8 6000 262 26 215 13| 3.4 0.3 3.7|165.6 -21.0 144.6 24.1 0.63| 4.5 2.9 Wrote GIF file: /home/apache/climate/data/raob//EG743/skewt/EG743.skewt.20251021.08.gif