UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120818.upa.cvt Date: 1800Z 8 DEC 25 Searching for ETGI... Searching the city database file for: ETGI ... Date:1800Z 8 DEC 25 Station: ETGI WMO ident: 10618 Latitude: 49.70 Longitude: 7.33 Elevation: 377.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 143 SFC 973 377 11.8 11.0 95 0.8 11.3 240 11 287.2 288.7 285.7 310.9 8.50 2 925 795 9.2 9.2 100 0.0 9.2 240 25 288.7 290.1 285.7 311.0 7.91 3 850 1492 6.0 4.4 89 1.6 5.2 260 33 292.4 293.5 285.4 310.2 6.17 4 700 3065 -3.1 -4.1 93 1.0 -3.6 250 33 299.1 299.8 285.7 311.2 4.03 5 500 5660 -17.7 -22.0 69 4.3 -18.8 275 36 311.5 311.7 287.3 315.8 1.31 6 400 7290 -30.3 -36.3 56 6.0 -31.0 265 40 315.6 315.7 287.8 317.1 0.43 7 300 9260 -47.3 -62.3 16 15.0 -47.7 275 64 318.7 318.7 288.3 318.8 0.03 8 250 10440 -57.9 -62.0 59 4.1 -58.0 265 62 320.0 320.0 288.8 320.1 0.04 9 200 11810 -68.5 -72.8 54 4.3 -68.5 260 73 324.3 324.3 290.0 324.3 0.01 10 198 11871 -69.1 -73.2 55 4.1 -69.1 260 75 324.3 324.3 290.0 324.3 0.01 11 197 11901 -69.0 -73.4 53 4.4 -69.0 260 75 324.9 324.9 290.3 324.9 0.01 12 150 13570 -62.9 -83.9 4 21.0 -63.0 265 42 361.7 361.7 299.0 361.7 0.00 13 100 16050 -65.7 -86.7 4 21.0 -65.8 260 46 400.8 400.8 305.3 400.8 0.00 TRP 198 11871 -69.1 -73.2 55 4.1 -69.1 260 75 324.3 324.3 290.0 324.3 0.01 WND 197 11901 -69.0 -73.4 53 4.4 -69.0 260 75 324.9 324.9 290.3 324.9 0.01 Sounding variables and indices 1000-500 mb thick: 5517.00 m Freezing level: 751.10 mb = 2529.14 m = 8297.61 ft Wetbulb zero: 761.07 mb = 2387.33 m = 7832.36 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 86.90 % Est. max temperature: 18.10 C = 64.59 F Sfc-Lift cond lev (LCL): 961.46 mb = 475.60 m = 1560.36 ft T: 11.19 C 700-500 lapse rate: 5.63 C/km ThetaE index: 0.78 C Layer 850.0- 700.0 mb Conv cond level (CCL): 910.64 mb = 923.93 m = 3031.23 ft Mean mixing ratio: 7.72 g/kg Conv temperature: 14.00 C = 57.19 F Cap Strength: 0.63 C Lifted Index: 4.08 C Risk: None Lifted Index @300 mb: 5.82 C Lifted Index @700 mb: 0.63 C Showalter Index: 4.49 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.10 C K Index: 27.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 154.80 Risk: None Energy Index: 1.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.80 J/kg Max Up Vert Vel: 5.62 m/s Conv Inhibition (B-): 7057.70 J/kg Cap Strength: 3.92 C Lift Cond Lev (LCL): 915.63 mb = 878.92 m = 2883.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 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 ---------------------------------------------------------- 0 973 377 240 11 9.5 5.5 | 136 19 -13.5 14.0 1 925 795 240 25 21.7 12.5 | 176 21 -1.3 21.0 2 850 1492 260 33 32.5 5.7 | 214 17 9.5 14.2 3 700 3065 250 33 31.0 11.3 | 202 21 8.0 19.8 4 500 5660 275 36 35.9 -3.1 | 247 14 12.9 5.4 5 400 7290 265 40 39.8 3.5 | 235 21 16.9 12.0 6 300 9260 275 64 63.8 -5.6 | 266 41 40.8 2.9 7 250 10440 265 62 61.8 5.4 | 250 41 38.8 13.9 8 200 11810 260 73 71.9 12.7 | 247 53 48.9 21.2 9 198 11871 260 75 73.9 13.0 | 247 55 50.9 21.5 10 197 11901 260 75 73.9 13.0 | 247 55 50.9 21.5 11 150 13570 265 42 41.8 3.7 | 237 22 18.8 12.2 12 100 16050 260 46 45.3 8.0 | 234 28 22.3 16.5 Wind Parameters Mean winds (0-6000m): 260.3 at 32.7 knts Storm direction: 290.3 at 24.5 knts Shear (0-3000m) pos: 4.0 neg: 0.6 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 69.9 deg Storm rel helicity (0-3000m) pos: 137.7 neg: -18.5 tot: 119.1 m^2/s^2 ave: 39.7 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.46 Bulk Shear: 34.16 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 ------------------------------------------------------------------------------- 500 240 19 161 19| 15.4 0.0 15.4| 76.9 0.0 76.9 153.8 0.98| 15.7 15.4 1000 246 24 177 18| 11.0 0.0 11.0|120.8 0.0 120.8 120.8 0.97| 12.6 12.2 1500 251 27 188 17| 7.8 0.0 7.8|130.1 -3.5 126.5 84.3 0.90| 9.5 8.6 2000 253 28 194 17| 5.9 0.5 6.3|130.1 -9.7 120.3 60.2 0.80| 7.6 6.1 2500 253 29 197 18| 4.7 0.8 5.4|130.1 -16.3 113.8 45.5 0.72| 6.5 4.6 3000 253 30 198 18| 4.0 0.6 4.6|137.7 -18.5 119.1 39.7 0.69| 5.8 4.0 4000 254 31 202 18| 3.4 0.5 3.8|161.8 -18.5 143.2 35.8 0.72| 5.1 3.6 5000 257 32 207 18| 3.0 0.4 3.4|184.2 -18.5 165.7 33.1 0.74| 4.7 3.5 6000 260 33 213 17| 2.6 0.5 3.1|190.3 -25.1 165.2 27.5 0.67| 4.3 2.9 Wrote GIF file: /home/apache/climate/data/raob//ETGI/skewt/ETGI.skewt.20251208.18.gif