UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101308.upa.cvt Date: 0800Z 13 OCT 25 Searching for EG743... Searching the city database file for: EG743 ... Date:0800Z 13 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 ------------------------------------------------------------------------------- SFC 1014 134 11.6 11.3 98 0.3 11.4 50 7 283.6 285.1 284.0 306.5 8.31 1 1000 250 11.0 10.8 99 0.2 10.9 65 13 284.1 285.6 284.0 306.6 8.15 2 925 899 8.0 8.0 100 0.0 8.0 100 17 287.5 288.8 284.5 307.9 7.29 3 850 1602 9.6 3.6 66 6.0 6.4 90 15 296.2 297.3 286.5 313.3 5.83 4 700 3190 3.6 -9.4 38 13.0 -1.8 60 23 306.5 307.0 287.1 314.9 2.68 5 500 5830 -15.5 -30.5 26 15.0 -18.5 60 23 314.1 314.3 287.5 316.2 0.60 6 400 7470 -26.9 -48.9 11 22.0 -28.9 35 34 320.0 320.0 288.9 320.5 0.11 7 300 9480 -43.7 -53.7 32 10.0 -44.2 30 36 323.8 323.8 290.0 324.1 0.09 8 250 10680 -53.1 -60.1 42 7.0 -53.2 25 29 327.1 327.1 290.9 327.3 0.05 9 200 12080 -62.5 -69.5 38 7.0 -62.6 20 32 333.8 333.8 292.7 333.9 0.02 10 175 12901 -64.9 -73.9 28 9.0 -65.0 10 20 342.8 342.8 295.0 342.9 0.01 11 150 13850 -61.7 -82.7 4 21.0 -61.9 360 14 363.8 363.8 299.4 363.8 0.00 TRP 175 12901 -64.9 -73.9 28 9.0 -65.0 10 20 342.8 342.8 295.0 342.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5580.00 m Freezing level: 662.30 mb = 3687.59 m = 12098.25 ft Wetbulb zero: 732.85 mb = 2814.87 m = 9235.04 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 52.45 % Est. max temperature: 22.52 C = 72.54 F Sfc-Lift cond lev (LCL): 1009.51 mb = 171.10 m = 561.36 ft T: 11.41 C 700-500 lapse rate: 7.23 C/km ThetaE index: 0.00 C Layer 1014.0-126443839488.0 mb Conv cond level (CCL): 958.98 mb = 598.64 m = 1964.02 ft Mean mixing ratio: 7.73 g/kg Conv temperature: 13.93 C = 57.07 F Cap Strength: 9.03 C Lifted Index: 8.50 C Risk: None Lifted Index @300 mb: 11.83 C Lifted Index @700 mb: 9.03 C Showalter Index: 4.75 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 19.10 C K Index: 15.70 Risk: < 20 % chance of thunderstorms Sweat Index: 96.20 Risk: None Energy Index: 0.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.16 J/kg Max Up Vert Vel: 5.86 m/s Conv Inhibition (B-): 6386.31 J/kg Cap Strength: 9.03 C Lift Cond Lev (LCL): 960.71 mb = 583.69 m = 1914.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 98 at 15 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 1014 134 50 7 -5.4 -4.5 | 304 12 9.6 -6.5 1 1000 250 65 13 -11.8 -5.5 | 337 8 3.2 -7.5 2 925 899 100 17 -16.7 3.0 | 118 2 -1.8 0.9 3 850 1602 90 15 -15.0 0.0 | 1 2 -0.0 -2.0 4 700 3190 60 23 -19.9 -11.5 | 20 14 -5.0 -13.5 5 500 5830 60 23 -19.9 -11.5 | 20 14 -5.0 -13.5 6 400 7470 35 34 -19.5 -27.9 | 9 30 -4.5 -29.9 7 300 9480 30 36 -18.0 -31.2 | 5 33 -3.0 -33.2 8 250 10680 25 29 -12.3 -26.3 | 355 28 2.7 -28.3 9 200 12080 20 32 -10.9 -30.1 | 353 32 4.0 -32.1 10 175 12901 10 20 -3.5 -19.7 | 332 25 11.5 -21.7 11 150 13850 360 14 -0.0 -14.0 | 317 22 15.0 -16.0 Wind Parameters Mean winds (0-6000m): 67.7 at 20.1 knts Storm direction: 97.7 at 15.1 knts Shear (0-3000m) pos: 2.2 neg: 2.3 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 76.5 deg Storm rel helicity (0-3000m) pos: 20.5 neg: -4.2 tot: 16.3 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.56 Bulk Shear: 6.70 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 73 13 338 6| 10.8 0.0 10.8| 17.7 0.0 17.7 35.3 0.68| 12.5 8.5 1000 87 15 356 3| 6.5 0.0 6.5| 19.4 -0.3 19.1 19.1 0.64| 9.0 5.7 1500 89 15 3 2| 4.3 0.8 5.1| 19.4 -1.0 18.4 12.3 0.47| 6.8 3.2 2000 88 15 9 3| 3.2 1.3 4.6| 20.4 -1.0 19.4 9.7 0.44| 6.0 2.7 2500 84 16 17 4| 2.6 1.9 4.5| 20.5 -1.4 19.1 7.6 0.37| 5.7 2.1 3000 80 17 19 5| 2.2 2.3 4.5| 20.5 -4.2 16.3 5.4 0.30| 5.5 1.6 4000 74 18 21 8| 1.6 1.8 3.4| 20.5 -4.7 15.8 3.9 0.29| 4.2 1.2 5000 70 19 21 9| 1.3 1.4 2.7| 20.5 -4.7 15.8 3.2 0.29| 3.3 1.0 6000 68 20 21 10| 1.1 1.4 2.5| 20.5 -5.9 14.6 2.4 0.26| 3.0 0.8 Wrote GIF file: /home/apache/climate/data/raob//EG743/skewt/EG743.skewt.20251013.08.gif