UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121811.upa.cvt Date: 1100Z 18 DEC 25 Searching for ETWM... Searching the city database file for: ETWM ... Date:1100Z 18 DEC 25 Station: ETWM WMO ident: 10304 Latitude: 52.72 Longitude: 7.32 Elevation: 26.00 ------------------------------------------------------------------------------- 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 1013 26 10.2 5.2 71 5.0 7.6 230 7 282.3 283.2 280.2 297.5 5.47 1 1000 125 9.2 4.7 73 4.5 6.9 200 19 282.4 283.3 280.1 297.2 5.35 2 925 766 4.6 3.7 94 0.9 4.2 230 35 284.0 284.9 280.9 299.1 5.39 3 850 1455 3.0 -4.0 60 7.0 0.0 235 35 289.3 289.9 280.9 299.0 3.34 4 700 3017 -3.7 -3.7 100 0.0 -3.7 240 23 298.4 299.1 285.6 310.8 4.15 5 500 5610 -16.9 -35.9 18 19.0 -20.0 240 31 312.4 312.5 286.6 313.7 0.36 6 400 7260 -27.3 -45.3 16 18.0 -29.1 245 35 319.5 319.5 288.8 320.1 0.17 7 300 9250 -45.9 -54.9 35 9.0 -46.2 265 48 320.7 320.7 289.0 321.0 0.07 8 250 10430 -55.3 -64.3 32 9.0 -55.5 280 38 323.9 323.9 290.0 324.0 0.03 9 200 11820 -65.3 -69.9 53 4.6 -65.3 225 23 329.3 329.4 291.6 329.4 0.02 10 175 12621 -70.9 -75.9 47 5.0 -70.9 235 54 333.0 333.0 292.5 333.0 0.01 11 165 12972 -68.1 -78.8 20 10.7 -68.1 255 66 343.3 343.3 295.1 343.4 0.00 12 150 13550 -63.5 -83.5 5 20.0 -63.6 250 36 360.7 360.7 298.8 360.7 0.00 13 100 16050 -64.5 -87.5 3 23.0 -64.7 245 27 403.1 403.1 305.6 403.1 0.00 TRP 175 12621 -70.9 -75.9 47 5.0 -70.9 235 54 333.0 333.0 292.5 333.0 0.01 WND 165 12972 -68.1 -78.8 20 10.7 -68.1 255 66 343.3 343.3 295.1 343.4 0.00 Sounding variables and indices 1000-500 mb thick: 5485.00 m Freezing level: 782.84 mb = 2154.40 m = 7068.17 ft Wetbulb zero: 849.21 mb = 1462.49 m = 4798.13 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 69.79 % Est. max temperature: 16.25 C = 61.25 F Sfc-Lift cond lev (LCL): 938.89 mb = 643.47 m = 2111.10 ft T: 5.48 C 700-500 lapse rate: 5.09 C/km ThetaE index: 0.27 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 825.39 mb = 1691.36 m = 5549.02 ft Mean mixing ratio: 5.36 g/kg Conv temperature: 18.59 C = 65.45 F Cap Strength: 6.83 C Lifted Index: 13.37 C Risk: None Lifted Index @300 mb: 16.04 C Lifted Index @700 mb: 6.83 C Showalter Index: 12.73 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 19.90 C Cross Totals Index: 12.90 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 136.89 Risk: None Energy Index: 3.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.40 J/kg Max Up Vert Vel: 2.97 m/s Conv Inhibition (B-): 12844.66 J/kg Cap Strength: 13.32 C Lift Cond Lev (LCL): 921.55 mb = 796.49 m = 2613.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 21 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 1013 26 230 7 5.4 4.5 | 101 16 -15.9 3.0 1 1000 125 200 19 6.5 17.9 | 138 22 -14.8 16.4 2 925 766 230 35 26.8 22.5 | 195 22 5.5 21.0 3 850 1455 235 35 28.7 20.1 | 202 20 7.4 18.6 4 700 3017 240 23 19.9 11.5 | 172 10 -1.4 10.0 5 500 5610 240 31 26.8 15.5 | 202 15 5.5 14.0 6 400 7260 245 35 31.7 14.8 | 218 17 10.4 13.3 7 300 9250 265 48 47.8 4.2 | 264 27 26.5 2.7 8 250 10430 280 38 37.4 -6.6 | 297 18 16.1 -8.1 9 200 11820 225 23 16.3 16.3 | 161 16 -5.0 14.8 10 175 12621 235 54 44.2 31.0 | 218 37 22.9 29.5 11 165 12972 255 66 63.8 17.1 | 250 45 42.4 15.6 12 150 13550 250 36 33.8 12.3 | 229 17 12.5 10.8 13 100 16050 245 27 24.5 11.4 | 198 10 3.2 9.9 Wind Parameters Mean winds (0-6000m): 236.1 at 28.5 knts Storm direction: 266.1 at 21.4 knts Shear (0-3000m) pos: 1.9 neg: 3.8 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 71.5 deg Storm rel helicity (0-3000m) pos: 192.3 neg: -24.6 tot: 167.7 m^2/s^2 ave: 55.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 21.59 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 ------------------------------------------------------------------------------- 500 211 22 149 20| 0.0 22.8 22.8|129.9 0.0 129.9 259.9 0.95| 27.2 25.9 1000 223 28 172 19| 4.8 11.4 16.3|184.3 0.0 184.3 184.3 0.96| 18.6 17.9 1500 227 30 182 19| 3.6 7.6 11.2|192.3 -0.4 191.9 127.9 0.94| 13.2 12.4 2000 229 31 186 19| 2.4 5.7 8.1|192.3 -7.9 184.4 92.2 0.81| 10.9 8.9 2500 231 30 187 18| 2.0 4.6 6.6|192.3 -16.1 176.2 70.5 0.70| 9.6 6.7 3000 232 29 186 17| 1.9 3.8 5.7|192.3 -24.6 167.7 55.9 0.59| 8.6 5.1 4000 234 28 185 15| 1.4 3.2 4.7|200.0 -24.6 175.4 43.8 0.60| 6.9 4.1 5000 235 28 187 15| 1.2 2.9 4.0|207.7 -24.6 183.0 36.6 0.61| 5.8 3.5 6000 236 28 189 15| 1.0 2.5 3.5|216.8 -24.6 192.2 32.0 0.62| 5.1 3.2 Wrote GIF file: /home/apache/climate/data/raob//ETWM/skewt/ETWM.skewt.20251218.11.gif