UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for ETGB... Searching the city database file for: ETGB ... Date:0000Z 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 1005 69 11.6 11.4 99 0.2 11.5 200 3 284.3 285.8 284.4 307.6 8.45 1 1000 112 11.6 10.3 92 1.3 10.9 225 7 284.8 286.1 284.0 306.6 7.88 2 925 761 8.2 5.8 85 2.4 6.9 270 29 287.7 288.8 283.5 305.4 6.26 3 850 1454 3.8 3.5 98 0.3 3.7 265 33 290.1 291.1 284.1 306.7 5.79 4 700 3010 -4.5 -5.0 96 0.5 -4.7 255 42 297.5 298.2 284.8 308.8 3.76 5 500 5580 -21.1 -29.1 49 8.0 -22.5 265 58 307.3 307.4 285.2 309.6 0.69 6 400 7190 -32.1 -39.1 50 7.0 -32.8 270 79 313.3 313.3 286.9 314.4 0.32 7 300 9150 -48.9 -57.9 34 9.0 -49.1 275 89 316.4 316.4 287.6 316.6 0.05 8 250 10320 -59.9 -64.7 53 4.8 -60.0 275 83 317.0 317.0 287.8 317.1 0.03 9 209 11423 -67.3 -71.5 55 4.2 -67.3 280 97 322.1 322.1 289.4 322.1 0.01 10 200 11690 -66.5 -72.8 41 6.3 -66.5 290 99 327.5 327.5 291.0 327.5 0.01 11 150 13460 -61.1 -81.1 5 20.0 -61.3 285 62 364.8 364.8 299.6 364.8 0.00 12 100 15980 -61.3 -84.3 3 23.0 -61.6 280 31 409.3 409.3 306.4 409.3 0.00 TRP 209 11423 -67.3 -71.5 55 4.2 -67.3 280 97 322.1 322.1 289.4 322.1 0.01 WND 200 11690 -66.5 -72.8 41 6.3 -66.5 290 99 327.5 327.5 291.0 327.5 0.01 Sounding variables and indices 1000-500 mb thick: 5468.00 m Freezing level: 781.33 mb = 2166.39 m = 7107.48 ft Wetbulb zero: 784.61 mb = 2095.52 m = 6874.98 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 83.51 % Est. max temperature: 17.22 C = 63.00 F Sfc-Lift cond lev (LCL): 1002.06 mb = 94.28 m = 309.31 ft T: 11.60 C 700-500 lapse rate: 6.46 C/km ThetaE index: 2.29 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 902.73 mb = 960.69 m = 3151.83 ft Mean mixing ratio: 6.94 g/kg Conv temperature: 15.66 C = 60.18 F Cap Strength: 1.69 C Lifted Index: 3.84 C Risk: None Lifted Index @300 mb: 7.59 C Lifted Index @700 mb: 1.69 C Showalter Index: 3.31 C Risk: None Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 24.60 C K Index: 27.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 176.00 Risk: None Energy Index: 0.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.90 J/kg Max Up Vert Vel: 4.67 m/s Conv Inhibition (B-): 8169.94 J/kg Cap Strength: 3.66 C Lift Cond Lev (LCL): 928.37 mb = 730.73 m = 2397.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 32 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 1005 69 200 3 1.0 2.8 | 117 32 -28.3 14.4 1 1000 112 225 7 4.9 4.9 | 124 29 -24.4 16.6 2 925 761 270 29 29.0 -0.0 | 178 12 -0.3 11.6 3 850 1454 265 33 32.9 2.9 | 194 15 3.6 14.5 4 700 3010 255 42 40.6 10.9 | 207 25 11.3 22.5 5 500 5580 265 58 57.8 5.1 | 240 33 28.5 16.7 6 400 7190 270 79 79.0 -0.0 | 257 51 49.7 11.6 7 300 9150 275 89 88.7 -7.8 | 266 59 59.3 3.9 8 250 10320 275 83 82.7 -7.2 | 265 54 53.4 4.4 9 209 11423 280 97 95.5 -16.8 | 275 66 66.2 -5.2 10 200 11690 290 99 93.0 -33.9 | 289 67 63.7 -22.2 11 150 13460 285 62 59.9 -16.0 | 278 31 30.6 -4.4 12 100 15980 280 31 30.5 -5.4 | 191 6 1.2 6.2 Wind Parameters Mean winds (0-6000m): 261.6 at 42.0 knts Storm direction: 291.6 at 31.5 knts Shear (0-3000m) pos: 5.1 neg: 2.4 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 90.4 deg Storm rel helicity (0-3000m) pos: 176.3 neg: 0.0 tot: 176.3 m^2/s^2 ave: 58.8 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 5.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.10 Bulk Shear: 108.73 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 ------------------------------------------------------------------------------- 500 248 14 136 23| 21.6 0.0 21.6|118.9 0.0 118.9 237.8 0.79| 22.7 17.9 1000 265 21 149 16| 15.3 0.0 15.3|146.8 0.0 146.8 146.8 0.75| 17.0 12.8 1500 265 25 162 14| 10.2 1.2 11.4|155.3 0.0 155.3 103.5 0.74| 12.5 9.3 2000 264 27 172 14| 7.7 1.8 9.5|163.0 0.0 163.0 81.5 0.72| 10.3 7.4 2500 263 30 180 15| 6.1 2.2 8.3|169.5 0.0 169.5 67.8 0.69| 9.0 6.2 3000 261 32 186 17| 5.1 2.4 7.5|176.3 0.0 176.3 58.8 0.66| 8.1 5.3 4000 260 35 196 18| 4.7 1.8 6.5|221.7 0.0 221.7 55.4 0.69| 7.0 4.8 5000 260 38 206 20| 4.5 1.4 5.9|270.9 0.0 270.9 54.2 0.72| 6.3 4.5 6000 262 42 215 22| 4.6 1.2 5.8|335.3 0.0 335.3 55.9 0.71| 6.1 4.4 Wrote GIF file: /home/apache/climate/data/raob//ETGB/skewt/ETGB.skewt.20251209.00.gif