UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121106.upa.cvt Date: 0600Z 11 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 11 DEC 25 Station: ETHA WMO ident: 10954 Latitude: 47.83 Longitude: 10.87 Elevation: 757.00 ------------------------------------------------------------------------------- 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 207 SFC 937 757 4.0 1.7 85 2.3 2.9 270 1 282.4 283.1 279.2 295.2 4.61 2 925 855 7.0 3.4 78 3.6 5.2 245 5 286.5 287.4 281.9 301.4 5.28 3 850 1546 3.4 2.6 94 0.8 3.0 235 9 289.7 290.7 283.5 305.2 5.43 4 700 3098 -4.7 -5.5 94 0.8 -5.0 300 13 297.3 297.9 284.6 308.1 3.62 5 500 5690 -17.9 -19.3 89 1.4 -18.3 260 33 311.2 311.5 287.6 316.7 1.66 6 400 7320 -29.1 -32.6 72 3.5 -29.6 250 40 317.2 317.3 288.5 319.3 0.62 7 300 9310 -45.3 -52.3 45 7.0 -45.6 265 42 321.5 321.5 289.3 321.9 0.10 8 250 10490 -55.7 -59.6 62 3.9 -55.8 260 42 323.3 323.3 289.8 323.5 0.05 9 219 11323 -61.1 -65.0 60 3.9 -61.2 265 50 327.4 327.4 291.0 327.5 0.03 10 200 11890 -59.3 -71.3 20 12.0 -59.5 240 33 338.9 338.9 294.0 338.9 0.01 11 150 13710 -57.9 -77.9 6 20.0 -58.2 280 27 370.3 370.3 300.6 370.4 0.01 12 100 16240 -65.5 -83.5 6 18.0 -65.7 295 21 401.2 401.2 305.3 401.2 0.00 TRP 219 11323 -61.1 -65.0 60 3.9 -61.2 265 50 327.4 327.4 291.0 327.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5483.00 m Freezing level: 787.04 mb = 2197.46 m = 7209.42 ft Wetbulb zero: 793.79 mb = 2092.89 m = 6866.35 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 91.41 % Est. max temperature: 14.17 C = 57.51 F Sfc-Lift cond lev (LCL): 904.26 mb = 1040.32 m = 3413.09 ft T: 6.03 C 700-500 lapse rate: 5.09 C/km ThetaE index: 0.00 C Layer 937.0--1245.2 mb Conv cond level (CCL): 816.02 mb = 1872.16 m = 6142.19 ft Mean mixing ratio: 5.31 g/kg Conv temperature: 12.78 C = 55.01 F Cap Strength: 3.01 C Lifted Index: 8.97 C Risk: None Lifted Index @300 mb: 13.22 C Lifted Index @700 mb: 3.01 C Showalter Index: 7.48 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 20.50 C K Index: 23.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 82.20 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.43 J/kg Max Up Vert Vel: 4.99 m/s Conv Inhibition (B-): 10960.84 J/kg Cap Strength: 8.68 C Lift Cond Lev (LCL): 857.45 mb = 1474.69 m = 4838.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 15 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 ---------------------------------------------------------- 0 937 757 270 1 1.0 -0.0 | 117 14 -12.6 6.4 1 925 855 245 5 4.5 2.1 | 133 12 -9.1 8.5 2 850 1546 235 9 7.4 5.2 | 152 13 -6.3 11.6 3 700 3098 300 13 11.3 -6.5 | 88 2 -2.4 -0.1 4 500 5690 260 33 32.5 5.7 | 237 22 18.8 12.2 5 400 7320 250 40 37.6 13.7 | 230 31 23.9 20.1 6 300 9310 265 42 41.8 3.7 | 250 30 28.2 10.1 7 250 10490 260 42 41.4 7.3 | 244 31 27.7 13.7 8 219 11323 265 50 49.8 4.4 | 253 38 36.2 10.8 9 200 11890 240 33 28.6 16.5 | 213 27 14.9 22.9 10 150 13710 280 27 26.6 -4.7 | 262 13 12.9 1.7 11 100 16240 295 21 19.0 -8.9 | 294 6 5.4 -2.4 Wind Parameters Mean winds (0-6000m): 265.2 at 20.1 knts Storm direction: 295.2 at 15.1 knts Shear (0-3000m) pos: 2.1 neg: 1.8 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 148.1 deg Storm rel helicity (0-3000m) pos: 30.9 neg: -3.4 tot: 27.5 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.41 Bulk Shear: 30.56 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 ------------------------------------------------------------------------------- 500 242 5 136 13| 0.0 6.7 6.7| 21.0 0.0 21.0 41.9 0.94| 6.7 6.3 1000 239 7 143 13| 1.2 3.3 4.5| 28.7 0.0 28.7 28.7 0.86| 5.0 4.3 1500 246 8 147 12| 1.8 2.2 4.0| 30.9 0.0 30.9 20.6 0.67| 4.7 3.2 2000 257 9 150 10| 2.3 1.7 3.9| 30.9 -1.2 29.7 14.8 0.46| 4.7 2.1 2500 268 10 150 8| 2.5 1.3 3.8| 30.9 -3.1 27.7 11.1 0.24| 4.6 1.1 3000 275 11 152 6| 2.1 1.8 3.9| 30.9 -3.4 27.5 9.2 0.13| 4.7 0.6 4000 276 14 178 5| 1.6 2.6 4.2| 30.9 -8.2 22.7 5.7 0.04| 4.7 0.2 5000 269 17 206 7| 1.2 3.1 4.4| 30.9 -27.2 3.6 0.7 -0.05| 4.9 -0.3 6000 265 20 218 10| 1.0 3.1 4.1| 30.9 -40.3 -9.5 -1.6 -0.08| 4.6 -0.4 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251211.06.gif