UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042308.upa.cvt Date: 0800Z 23 APR 25 Searching for EG743... Searching the city database file for: EG743 ... Date:0800Z 23 APR 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 75 310 5 SFC 993 133 9.8 8.0 89 1.8 8.8 310 5 283.5 284.7 282.3 302.3 6.78 2 925 717 4.6 4.6 100 0.0 4.6 335 16 284.0 285.0 281.3 300.0 5.75 3 850 1403 1.4 0.9 96 0.5 1.2 345 20 287.6 288.5 281.9 301.3 4.80 4 700 2947 -6.7 -8.2 89 1.5 -7.2 30 16 295.1 295.6 283.0 303.9 2.94 5 500 5500 -22.1 -33.1 36 11.0 -23.8 25 33 306.1 306.2 284.4 307.7 0.47 6 400 7100 -35.1 -46.1 32 11.0 -35.8 10 30 309.4 309.4 285.3 309.9 0.15 7 352 7978 -41.9 -55.9 20 14.0 -42.4 355 54 311.7 311.7 286.0 311.9 0.06 8 300 9060 -41.7 -66.7 5 25.0 -42.5 345 78 326.6 326.6 290.7 326.7 0.02 9 281 9504 -43.4 -68.4 5 25.0 -44.1 335 83 330.3 330.3 291.8 330.3 0.01 10 250 10290 -46.5 -71.5 4 25.0 -47.0 335 66 336.9 336.9 293.6 337.0 0.01 11 200 11760 -50.7 -79.7 2 29.0 -51.1 325 40 352.5 352.5 297.2 352.5 0.00 12 150 13620 -50.9 -82.9 1 32.0 -51.5 320 21 382.4 382.4 302.6 382.4 0.00 13 100 16240 -54.3 -86.3 1 32.0 -54.9 285 6 422.8 422.8 308.0 422.8 0.00 TRP 352 7978 -41.9 -55.9 20 14.0 -42.4 355 54 311.7 311.7 286.0 311.9 0.06 WND 281 9504 -43.4 -68.4 5 25.0 -44.1 335 83 330.3 330.3 291.8 330.3 0.01 Sounding variables and indices 1000-500 mb thick: 5425.00 m Freezing level: 824.07 mb = 1669.86 m = 5478.49 ft Wetbulb zero: 829.26 mb = 1599.41 m = 5247.33 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 78.81 % Est. max temperature: 14.20 C = 57.57 F Sfc-Lift cond lev (LCL): 966.24 mb = 358.13 m = 1174.95 ft T: 7.80 C 700-500 lapse rate: 6.03 C/km ThetaE index: 2.24 C Layer 925.0- 850.0 mb Conv cond level (CCL): 935.49 mb = 624.20 m = 2047.88 ft Mean mixing ratio: 6.03 g/kg Conv temperature: 10.22 C = 50.39 F Cap Strength: 2.25 C Lifted Index: 6.24 C Risk: None Lifted Index @300 mb: 18.34 C Lifted Index @700 mb: 2.25 C Showalter Index: 5.95 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 23.00 C K Index: 22.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 83.80 Risk: None Energy Index: 1.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.21 J/kg Max Up Vert Vel: 4.29 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 6.16 C Lift Cond Lev (LCL): 933.25 mb = 643.91 m = 2112.53 ft Lev Free Conv (LFC): 928.25 mb = 688.11 m = 2257.55 ft Equ Level (EL): 878.25 mb = 1137.71 m = 3732.61 ft B at Equ Level: 8.84 J/kg Max Parcel Lev (MPL): 818.25 mb = 1705.69 m = 5596.04 ft Wind level data Storm motion: 45 at 16 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 ---------------------------------------------------------- 0 993 133 310 5 3.8 -3.2 | 242 17 15.4 8.3 1 925 717 335 16 6.8 -14.5 | 279 19 18.3 -3.0 2 850 1403 345 20 5.2 -19.3 | 295 18 16.7 -7.8 3 700 2947 30 16 -8.0 -13.9 | 304 4 3.5 -2.4 4 500 5500 25 33 -13.9 -29.9 | 7 19 -2.4 -18.4 5 400 7100 10 30 -5.2 -29.5 | 341 19 6.3 -18.1 6 352 7978 355 54 4.7 -53.8 | 339 45 16.2 -42.3 7 300 9060 345 78 20.2 -75.3 | 334 71 31.7 -63.9 8 281 9504 335 83 35.1 -75.2 | 324 79 46.6 -63.7 9 250 10290 335 66 27.9 -59.8 | 321 62 39.4 -48.3 10 200 11760 325 40 22.9 -32.8 | 302 41 34.5 -21.3 11 150 13620 320 21 13.5 -16.1 | 280 25 25.0 -4.6 12 100 16240 285 6 5.8 -1.6 | 240 20 17.3 9.9 Wind Parameters Mean winds (0-6000m): 15.1 at 21.7 knts Storm direction: 45.1 at 16.3 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 77.6 deg Storm rel helicity (0-3000m) pos: 94.6 neg: -0.4 tot: 94.3 m^2/s^2 ave: 31.4 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.25 Bulk Shear: 36.91 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 ------------------------------------------------------------------------------- 500 328 10 259 17| 10.2 0.0 10.2| 48.1 0.0 48.1 96.2 0.99| 10.4 10.4 1000 334 13 272 17| 7.4 0.0 7.4| 72.0 0.0 72.0 72.0 1.00| 7.7 7.7 1500 339 15 279 17| 5.5 0.0 5.5| 86.4 0.0 86.4 57.6 0.93| 6.6 6.2 2000 345 16 285 16| 4.1 0.0 4.1| 91.9 0.0 91.9 45.9 0.80| 6.2 5.0 2500 350 16 288 15| 3.3 0.0 3.3| 93.3 0.0 93.3 37.3 0.69| 5.9 4.1 3000 356 16 291 14| 2.9 0.0 2.9| 94.6 -0.4 94.3 31.4 0.64| 5.6 3.6 4000 6 17 301 11| 2.2 0.9 3.1|101.8 -0.4 101.4 25.4 0.63| 5.1 3.2 5000 12 20 316 11| 1.8 1.4 3.1|108.0 -0.4 107.6 21.5 0.58| 4.7 2.8 6000 15 22 328 11| 1.5 1.3 2.8|109.5 -17.6 91.9 15.3 0.46| 4.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//EG743/skewt/EG743.skewt.20250423.08.gif