UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102311.upa.cvt Date: 1100Z 23 OCT 25 Searching for EG693... Searching the city database file for: EG693 ... Date:1100Z 23 OCT 25 Station: EG693 WMO ident: 3693 Latitude: 51.55 Longitude: 0.85 ------------------------------------------------------------------------------- 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 -140 SFC 983 3 10.8 7.5 80 3.3 9.0 305 27 285.3 286.5 282.9 303.8 6.62 2 925 507 6.0 5.3 95 0.7 5.6 320 43 285.4 286.5 282.3 302.4 6.04 3 850 1195 1.8 1.8 100 0.0 1.8 335 45 288.0 288.9 282.4 302.6 5.13 4 700 2742 -4.9 -6.1 91 1.2 -5.4 315 33 297.1 297.7 284.4 307.4 3.46 5 500 5310 -21.5 -34.5 30 13.0 -23.4 300 31 306.8 306.9 284.7 308.2 0.41 6 400 6910 -34.7 -47.7 26 13.0 -35.5 275 41 309.9 309.9 285.4 310.4 0.13 7 300 8850 -49.1 -61.1 23 12.0 -49.4 260 17 316.1 316.2 287.5 316.3 0.03 8 276 9393 -51.1 -62.1 26 11.0 -51.3 240 22 320.9 320.9 289.0 321.0 0.03 9 250 10040 -47.3 -73.3 4 26.0 -47.8 265 28 335.7 335.7 293.3 335.8 0.01 10 200 11520 -47.9 -76.9 2 29.0 -48.5 265 27 356.9 356.9 298.1 356.9 0.01 11 150 13410 -50.7 -79.7 2 29.0 -51.3 255 49 382.7 382.7 302.7 382.7 0.00 TRP 276 9393 -51.1 -62.1 26 11.0 -51.3 240 22 320.9 320.9 289.0 321.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5450.00 m Freezing level: 809.70 mb = 1610.61 m = 5284.10 ft Wetbulb zero: 812.70 mb = 1552.55 m = 5093.60 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 77.73 % Est. max temperature: 14.40 C = 57.92 F Sfc-Lift cond lev (LCL): 935.06 mb = 417.37 m = 1369.32 ft T: 6.85 C 700-500 lapse rate: 6.46 C/km ThetaE index: 1.46 C Layer 925.0- 850.0 mb Conv cond level (CCL): 909.77 mb = 642.12 m = 2106.67 ft Mean mixing ratio: 6.09 g/kg Conv temperature: 11.41 C = 52.54 F Cap Strength: 2.93 C Lifted Index: 5.55 C Risk: None Lifted Index @300 mb: 9.59 C Lifted Index @700 mb: 2.93 C Showalter Index: 5.67 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 23.30 C K Index: 23.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 142.60 Risk: None Energy Index: 1.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.27 J/kg Max Up Vert Vel: 3.54 m/s Conv Inhibition (B-): 0.82 J/kg Cap Strength: 5.49 C Lift Cond Lev (LCL): 912.93 mb = 613.85 m = 2013.90 ft Lev Free Conv (LFC): 867.93 mb = 1025.13 m = 3363.24 ft Equ Level (EL): 837.93 mb = 1308.93 m = 4294.33 ft B at Equ Level: 5.88 J/kg Max Parcel Lev (MPL): 797.93 mb = 1698.66 m = 5572.97 ft Wind level data Storm motion: 345 at 27 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 ---------------------------------------------------------- 0 983 3 305 27 22.1 -15.5 | 236 18 15.1 10.2 1 925 507 320 43 27.6 -32.9 | 289 22 20.6 -7.3 2 850 1195 335 45 19.0 -40.8 | 322 19 12.0 -15.1 3 700 2742 315 33 23.3 -23.3 | 262 16 16.3 2.3 4 500 5310 300 31 26.8 -15.5 | 243 22 19.8 10.2 5 400 6910 275 41 40.8 -3.6 | 237 40 33.8 22.1 6 300 8850 260 17 16.7 3.0 | 199 30 9.7 28.6 7 276 9393 240 22 19.1 11.0 | 198 39 12.0 36.7 8 250 10040 265 28 27.9 2.4 | 217 35 20.9 28.1 9 200 11520 265 27 26.9 2.4 | 215 34 19.9 28.0 10 150 13410 255 49 47.3 12.7 | 226 56 40.3 38.3 Wind Parameters Mean winds (0-6000m): 314.7 at 35.5 knts Storm direction: 344.7 at 26.6 knts Shear (0-3000m) pos: 3.7 neg: 2.6 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 23.5 deg Storm rel helicity (0-3000m) pos: 151.6 neg: -82.4 tot: 69.2 m^2/s^2 ave: 23.1 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 120.67 Bulk Shear: 0.05 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 ------------------------------------------------------------------------------- 500 314 35 266 18| 18.7 0.0 18.7| 90.4 0.0 90.4 180.8 0.97| 18.9 18.3 1000 320 39 285 19| 12.0 0.0 12.0|135.2 0.0 135.2 135.2 0.97| 13.8 13.4 1500 325 41 296 18| 7.5 0.0 7.5|151.6 -17.2 134.4 89.6 0.76| 11.6 8.8 2000 326 41 297 18| 5.6 1.5 7.2|151.6 -43.7 107.9 54.0 0.50| 10.2 5.1 2500 325 40 295 17| 4.5 2.4 6.9|151.6 -68.1 83.5 33.4 0.31| 9.4 2.9 3000 324 39 291 17| 3.7 2.6 6.3|151.6 -82.4 69.2 23.1 0.22| 8.4 1.9 4000 321 37 282 17| 2.8 2.4 5.2|151.6 -94.6 57.0 14.3 0.16| 6.7 1.1 5000 318 36 274 17| 2.2 2.2 4.5|151.6-107.7 43.9 8.8 0.11| 5.7 0.6 6000 315 35 268 18| 1.9 2.5 4.3|151.8-115.7 36.1 6.0 0.07| 5.5 0.4 Wrote GIF file: /home/apache/climate/data/raob//EG693/skewt/EG693.skewt.20251023.11.gif