UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for ETGB... Searching the city database file for: ETGB ... Date:1200Z 9 DEC 25 Station: ETGB WMO ident: 10238 Latitude: 52.82 Longitude: 9.93 Elevation: 69.00 ------------------------------------------------------------------------------- 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 1006 69 11.2 11.1 99 0.1 11.2 200 1 283.9 285.3 284.1 306.6 8.27 1 1000 117 11.0 10.6 97 0.4 10.8 190 7 284.1 285.5 284.0 306.3 8.04 2 925 766 8.8 7.5 92 1.3 8.1 260 25 288.3 289.5 284.6 308.2 7.04 3 850 1462 4.4 2.7 89 1.7 3.5 250 29 290.8 291.7 284.0 306.5 5.47 4 700 3014 -4.5 -5.3 94 0.8 -4.8 255 29 297.5 298.2 284.8 308.5 3.68 5 500 5620 -15.9 -17.6 87 1.7 -16.4 270 50 313.7 314.0 288.7 320.0 1.92 6 400 7270 -26.9 -29.5 79 2.6 -27.3 290 58 320.0 320.2 289.6 322.9 0.83 7 300 9270 -43.3 -47.0 67 3.7 -43.5 295 66 324.3 324.4 290.3 325.0 0.18 8 250 10470 -54.5 -60.5 47 6.0 -54.6 300 68 325.0 325.1 290.3 325.2 0.04 9 200 11860 -66.9 -71.7 51 4.8 -67.0 310 62 326.8 326.8 290.8 326.9 0.01 10 190 12169 -68.7 -72.5 58 3.8 -68.7 320 60 328.7 328.8 291.4 328.8 0.01 11 172 12768 -67.0 -76.8 24 9.8 -67.1 305 71 341.0 341.0 294.6 341.1 0.01 12 150 13600 -64.7 -82.7 7 18.0 -64.8 310 48 358.6 358.6 298.4 358.6 0.00 13 100 16080 -62.9 -85.9 3 23.0 -63.1 310 48 406.2 406.2 306.0 406.2 0.00 TRP 190 12169 -68.7 -72.5 58 3.8 -68.7 320 60 328.7 328.8 291.4 328.8 0.01 WND 172 12768 -67.0 -76.8 24 9.8 -67.1 305 71 341.0 341.0 294.6 341.1 0.01 Sounding variables and indices 1000-500 mb thick: 5503.00 m Freezing level: 775.84 mb = 2229.28 m = 7313.82 ft Wetbulb zero: 786.71 mb = 2080.52 m = 6825.78 ft Precipitable water: 1.01 inches Sfc-500 mean rel hum: 91.18 % Est. max temperature: 17.90 C = 64.22 F Sfc-Lift cond lev (LCL): 1004.66 mb = 79.71 m = 261.50 ft T: 11.16 C 700-500 lapse rate: 4.37 C/km ThetaE index: 1.69 C Layer 850.0- 700.0 mb Conv cond level (CCL): 912.40 mb = 878.87 m = 2883.40 ft Mean mixing ratio: 7.44 g/kg Conv temperature: 16.05 C = 60.90 F Cap Strength: 1.05 C Lifted Index: 8.10 C Risk: None Lifted Index @300 mb: 12.23 C Lifted Index @700 mb: 0.93 C Showalter Index: 8.69 C Risk: None Total Totals Index: 38.90 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 18.60 C K Index: 22.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 208.15 Risk: None Energy Index: 2.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.67 J/kg Max Up Vert Vel: 6.11 m/s Conv Inhibition (B-): 9546.10 J/kg Cap Strength: 8.00 C Lift Cond Lev (LCL): 941.92 mb = 615.11 m = 2018.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 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 1006 69 200 1 0.3 0.9 | 113 25 -23.1 10.0 1 1000 117 190 7 1.2 6.9 | 126 27 -22.3 15.9 2 925 766 260 25 24.6 4.3 | 185 13 1.1 13.4 3 850 1462 250 29 27.3 9.9 | 191 19 3.8 18.9 4 700 3014 255 29 28.0 7.5 | 195 17 4.5 16.5 5 500 5620 270 50 50.0 -0.0 | 251 28 26.5 9.0 6 400 7270 290 58 54.5 -19.8 | 289 33 31.0 -10.8 7 300 9270 295 66 59.8 -27.9 | 297 41 36.3 -18.9 8 250 10470 300 68 58.9 -34.0 | 305 43 35.4 -25.0 9 200 11860 310 62 47.5 -39.9 | 322 39 24.0 -30.8 10 190 12169 320 60 38.6 -46.0 | 338 40 15.1 -36.9 11 172 12768 305 71 58.2 -40.7 | 312 47 34.7 -31.7 12 150 13600 310 48 36.8 -30.9 | 329 26 13.3 -21.8 13 100 16080 310 48 36.8 -30.9 | 329 26 13.3 -21.8 Wind Parameters Mean winds (0-6000m): 261.0 at 33.6 knts Storm direction: 291.0 at 25.2 knts Shear (0-3000m) pos: 4.6 neg: 0.6 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 83.6 deg Storm rel helicity (0-3000m) pos: 183.2 neg: 0.0 tot: 183.2 m^2/s^2 ave: 61.1 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 5.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.23 Bulk Shear: 80.14 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 ------------------------------------------------------------------------------- 500 225 12 140 23| 19.3 0.0 19.3|136.3 0.0 136.3 272.7 0.90| 23.5 21.2 1000 251 18 158 16| 13.5 0.0 13.5|171.5 0.0 171.5 171.5 0.81| 18.2 14.8 1500 251 22 169 16| 9.0 1.2 10.2|175.3 0.0 175.3 116.9 0.76| 13.4 10.1 2000 251 23 176 17| 6.8 0.9 7.6|177.4 0.0 177.4 88.7 0.75| 10.3 7.7 2500 252 25 180 17| 5.4 0.7 6.1|179.4 0.0 179.4 71.8 0.75| 8.4 6.3 3000 252 25 182 17| 4.6 0.6 5.2|183.2 0.0 183.2 61.1 0.75| 7.2 5.4 4000 254 27 190 17| 4.5 0.4 5.0|223.4 0.0 223.4 55.8 0.78| 6.5 5.1 5000 257 30 201 17| 4.5 0.4 4.9|269.0 0.0 269.0 53.8 0.79| 6.1 4.9 6000 261 34 214 17| 4.4 0.3 4.7|337.0 0.0 337.0 56.2 0.81| 6.0 4.8 Wrote GIF file: /home/apache/climate/data/raob//ETGB/skewt/ETGB.skewt.20251209.12.gif