UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120106.upa.cvt Date: 0600Z 1 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 1 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 176 SFC 932 757 0.0 -0.1 99 0.1 -0.0 220 3 278.7 279.4 276.6 289.9 4.07 2 925 811 0.6 0.0 96 0.6 0.3 250 5 279.9 280.6 277.3 291.4 4.13 3 850 1486 -2.3 -3.5 91 1.2 -2.8 285 3 283.7 284.3 278.4 293.6 3.47 4 700 3009 -7.9 -9.8 86 1.9 -8.6 155 15 293.7 294.2 282.0 301.5 2.59 5 500 5550 -24.1 -31.1 52 7.0 -25.2 225 23 303.7 303.8 283.6 305.6 0.57 6 400 7130 -37.3 -44.3 48 7.0 -37.8 235 40 306.5 306.5 284.2 307.2 0.19 7 300 9060 -49.9 -68.9 9 19.0 -50.2 5 31 315.0 315.0 287.1 315.1 0.01 8 250 10230 -54.5 -68.5 16 14.0 -54.7 360 29 325.0 325.0 290.3 325.1 0.02 9 200 11640 -59.5 -78.5 7 19.0 -59.6 345 21 338.5 338.5 294.0 338.6 0.00 10 150 13450 -59.1 -83.1 3 24.0 -59.3 300 21 368.3 368.3 300.2 368.3 0.00 11 100 15970 -61.3 -86.3 2 25.0 -61.6 280 9 409.3 409.3 306.4 409.3 0.00 TRP 200 11640 -59.5 -78.5 7 19.0 -59.6 345 21 338.5 338.5 294.0 338.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5374.00 m Freezing level: 909.48 mb = 950.65 m = 3118.91 ft Wetbulb zero: Below ground Precipitable water: 0.45 inches Sfc-500 mean rel hum: 79.02 % Est. max temperature: 9.11 C = 48.40 F Sfc-Lift cond lev (LCL): 930.38 mb = 769.49 m = 2524.55 ft T: 0.14 C 700-500 lapse rate: 6.38 C/km ThetaE index: 0.00 C Layer 932.0- 0.0 mb Conv cond level (CCL): 840.04 mb = 1578.47 m = 5178.63 ft Mean mixing ratio: 3.75 g/kg Conv temperature: 5.51 C = 41.92 F Cap Strength: 5.97 C Lifted Index: 10.16 C Risk: None Lifted Index @300 mb: 15.88 C Lifted Index @700 mb: 5.97 C Showalter Index: 9.45 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.60 C K Index: 16.40 Risk: < 20 % chance of thunderstorms Sweat Index: 29.00 Risk: None Energy Index: 2.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.18 J/kg Max Up Vert Vel: 6.19 m/s Conv Inhibition (B-): 13148.33 J/kg Cap Strength: 9.91 C Lift Cond Lev (LCL): 868.13 mb = 1317.57 m = 4322.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 240 at 13 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 ---------------------------------------------------------- 0 932 757 220 3 1.9 2.3 | 65 10 -9.1 -4.1 1 925 811 250 5 4.7 1.7 | 53 8 -6.3 -4.7 2 850 1486 285 3 2.9 -0.8 | 48 11 -8.1 -7.2 3 700 3009 155 15 -6.3 13.6 | 112 19 -17.3 7.2 4 500 5550 225 23 16.3 16.3 | 208 11 5.3 9.8 5 400 7130 235 40 32.8 22.9 | 233 27 21.8 16.5 6 300 9060 5 31 -2.7 -30.9 | 20 40 -13.7 -37.3 7 250 10230 360 29 -0.0 -29.0 | 17 37 -11.0 -35.4 8 200 11640 345 21 5.4 -20.3 | 12 27 -5.6 -26.7 9 150 13450 300 21 18.2 -10.5 | 337 18 7.2 -16.9 10 100 15970 280 9 8.9 -1.6 | 15 8 -2.1 -8.0 Wind Parameters Mean winds (0-6000m): 209.7 at 17.0 knts Storm direction: 239.7 at 12.7 knts Shear (0-3000m) pos: 0.9 neg: 3.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 65.9 deg Storm rel helicity (0-3000m) pos: 37.8 neg: -14.8 tot: 23.0 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.69 Bulk Shear: 27.67 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 ------------------------------------------------------------------------------- 500 257 4 51 9| 3.1 0.0 3.1| 0.0 -6.4 -6.4 -12.8 -0.58| 4.9 -2.8 1000 264 4 50 9| 1.6 0.9 2.4| 0.3 -7.5 -7.3 -7.3 -0.37| 4.2 -1.6 1500 245 5 56 8| 1.0 2.6 3.6| 7.4 -7.5 -0.2 -0.1 0.12| 5.1 0.6 2000 207 7 86 8| 0.8 3.6 4.4| 12.4 -8.3 4.1 2.1 0.18| 6.2 1.1 2500 175 8 98 12| 0.6 3.6 4.2| 19.7 -14.8 4.9 2.0 0.14| 6.4 0.9 3000 173 9 104 13| 0.9 3.0 3.9| 37.8 -14.8 23.0 7.7 0.23| 6.0 1.4 4000 182 12 117 12| 1.9 2.2 4.1| 72.0 -14.8 57.2 14.3 0.38| 5.8 2.2 5000 198 14 136 10| 2.6 1.8 4.4|101.8 -14.8 87.0 17.4 0.48| 5.7 2.8 6000 210 17 163 9| 3.0 1.5 4.5|124.6 -14.8 109.8 18.3 0.47| 5.8 2.7 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251201.06.gif