UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120509.upa.cvt Date: 0900Z 5 DEC 25 Searching for EG743... Searching the city database file for: EG743 ... Date:0900Z 5 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 50 SFC 990 132 4.2 3.3 94 0.9 3.8 140 5 278.1 279.0 277.4 291.5 4.90 2 925 688 4.2 1.0 80 3.2 2.7 195 29 283.6 284.4 279.6 296.1 4.44 3 850 1369 -1.3 -3.3 86 2.0 -2.1 200 24 284.8 285.4 279.0 294.8 3.52 4 700 2892 -9.1 -21.1 37 12.0 -12.1 220 21 292.4 292.6 279.3 295.6 1.01 5 500 5430 -19.7 -21.5 86 1.8 -20.1 295 55 309.0 309.3 286.6 313.5 1.37 6 400 7050 -31.5 -32.3 93 0.8 -31.6 290 62 314.0 314.2 287.5 316.3 0.64 7 300 9030 -46.1 -56.1 31 10.0 -46.4 300 70 320.4 320.4 288.9 320.6 0.06 8 288 9301 -48.1 -57.4 33 9.3 -48.4 300 71 321.3 321.3 289.2 321.6 0.06 9 250 10220 -54.9 -61.9 42 7.0 -55.1 305 64 324.4 324.5 290.2 324.6 0.04 10 200 11620 -60.7 -72.7 19 12.0 -60.8 300 66 336.6 336.6 293.5 336.7 0.01 11 150 13380 -66.5 -80.5 12 14.0 -66.6 300 40 355.5 355.5 297.8 355.5 0.00 TRP WND 288 9301 -48.1 -57.4 33 9.3 -48.4 300 71 321.3 321.3 289.2 321.6 0.06 Sounding variables and indices 1000-500 mb thick: 5380.00 m Freezing level: 867.73 mb = 1208.04 m = 3963.32 ft Wetbulb zero: 882.88 mb = 1063.39 m = 3488.75 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 66.62 % Est. max temperature: 11.28 C = 52.31 F Sfc-Lift cond lev (LCL): 976.38 mb = 245.62 m = 805.83 ft T: 4.20 C 700-500 lapse rate: 4.18 C/km ThetaE index: 1.26 C Layer 850.0- 700.0 mb Conv cond level (CCL): 872.12 mb = 1162.10 m = 3812.63 ft Mean mixing ratio: 4.51 g/kg Conv temperature: 10.47 C = 50.85 F Cap Strength: 3.60 C Lifted Index: 13.15 C Risk: None Lifted Index @300 mb: 18.39 C Lifted Index @700 mb: 3.60 C Showalter Index: 12.98 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 16.40 C K Index: 3.10 Risk: None Sweat Index: 252.52 Risk: None Energy Index: 3.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.61 J/kg Max Up Vert Vel: 6.57 m/s Conv Inhibition (B-): 8013.67 J/kg Cap Strength: 12.88 C Lift Cond Lev (LCL): 904.99 mb = 864.14 m = 2835.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 25 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 ---------------------------------------------------------- 0 990 132 140 5 -3.2 3.8 | 114 29 -26.8 11.8 1 925 688 195 29 7.5 28.0 | 156 39 -16.1 35.9 2 850 1369 200 24 8.2 22.6 | 153 34 -15.4 30.5 3 700 2892 220 21 13.5 16.1 | 157 26 -10.1 24.0 4 500 5430 295 55 49.8 -23.2 | 300 30 26.3 -15.3 5 400 7050 290 62 58.3 -21.2 | 291 37 34.7 -13.3 6 300 9030 300 70 60.6 -35.0 | 306 46 37.0 -27.1 7 288 9301 300 71 61.5 -35.5 | 306 47 37.9 -27.6 8 250 10220 305 64 52.4 -36.7 | 315 41 28.8 -28.8 9 200 11620 300 66 57.2 -33.0 | 307 42 33.6 -25.1 10 150 13380 300 40 34.6 -20.0 | 318 16 11.1 -12.1 Wind Parameters Mean winds (0-6000m): 258.6 at 33.2 knts Storm direction: 288.6 at 24.9 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 52.8 deg Storm rel helicity (0-3000m) pos: 300.8 neg: -14.5 tot: 286.3 m^2/s^2 ave: 95.4 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 5.4 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.16 Bulk Shear: 135.56 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 ------------------------------------------------------------------------------- 500 187 16 137 32| 24.3 0.0 24.3|219.9 0.0 219.9 439.8 0.89| 26.6 23.8 1000 193 22 147 35| 12.1 0.0 12.1|256.1 -9.0 247.1 247.1 0.79| 16.8 13.2 1500 195 23 149 34| 7.4 0.0 7.4|260.1 -14.5 245.6 163.8 0.71| 12.3 8.8 2000 198 23 151 34| 5.5 0.0 5.5|267.2 -14.5 252.8 126.4 0.68| 10.0 6.8 2500 201 23 152 33| 4.3 0.0 4.3|271.4 -14.5 257.0 102.8 0.65| 8.5 5.6 3000 204 22 153 32| 4.2 0.0 4.2|300.8 -14.5 286.3 95.4 0.67| 8.1 5.4 4000 217 24 162 29| 5.2 0.0 5.2|424.0 -14.5 409.5 102.4 0.76| 8.7 6.7 5000 239 29 182 23| 5.7 0.0 5.7|576.7 -14.5 562.3 112.5 0.82| 9.7 8.0 6000 259 33 212 17| 5.2 0.2 5.4|636.4 -34.2 602.2 100.4 0.78| 9.2 7.1 Wrote GIF file: /home/apache/climate/data/raob//EG743/skewt/EG743.skewt.20251205.09.gif