UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 4 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 80 1 925 720 150 1 SFC 921 757 -2.9 -3.3 97 0.4 -3.1 150 1 276.7 277.2 274.3 285.7 3.25 3 850 1397 1.6 -5.4 60 7.0 -1.2 140 3 287.8 288.3 279.8 296.6 3.00 4 700 2949 -5.1 -10.1 68 5.0 -6.9 220 15 296.8 297.3 283.2 304.5 2.53 5 500 5510 -22.7 -27.0 68 4.3 -23.5 200 23 305.4 305.5 284.6 308.1 0.84 6 400 7100 -35.3 -39.2 67 3.9 -35.7 195 40 309.1 309.2 285.4 310.2 0.32 7 300 9040 -51.1 -59.1 38 8.0 -51.3 200 54 313.3 313.3 286.6 313.5 0.04 8 250 10200 -60.1 -63.2 67 3.1 -60.2 200 75 316.7 316.7 287.7 316.8 0.03 9 239 10478 -62.1 -65.6 62 3.5 -62.1 200 79 317.9 317.9 288.1 318.0 0.02 10 212 11207 -67.3 -72.0 51 4.7 -67.3 195 50 320.8 320.8 289.0 320.8 0.01 11 200 11560 -63.1 -76.1 16 13.0 -63.2 195 50 332.8 332.8 292.5 332.9 0.01 12 150 13340 -59.3 -83.3 3 24.0 -59.5 230 25 367.9 367.9 300.2 367.9 0.00 13 100 15890 -57.9 -84.9 2 27.0 -58.3 205 23 415.9 415.9 307.2 415.9 0.00 TRP 212 11207 -67.3 -72.0 51 4.7 -67.3 195 50 320.8 320.8 289.0 320.8 0.01 WND 239 10478 -62.1 -65.6 62 3.5 -62.1 200 79 317.9 317.9 288.1 318.0 0.02 Sounding variables and indices 1000-500 mb thick: 5430.00 m Freezing level: Surface below freezing Freezing level: 875.24 mb = 1169.44 m = 3836.71 ft Freezing level: 814.18 mb = 1767.63 m = 5799.23 ft Wetbulb zero: Below ground Precipitable water: 0.42 inches Sfc-500 mean rel hum: 67.96 % Est. max temperature: 12.39 C = 54.30 F Sfc-Lift cond lev (LCL): 915.10 mb = 808.29 m = 2651.85 ft T: -2.54 C 700-500 lapse rate: 6.87 C/km ThetaE index: 0.00 C Layer 921.0--2403244174546658090678512915595657216.0 mb Conv cond level (CCL): 656.35 mb = 3439.09 m = 11282.97 ft Mean mixing ratio: 3.08 g/kg Conv temperature: 18.46 C = 65.23 F Cap Strength: 8.59 C Lifted Index: 11.32 C Risk: None Lifted Index @300 mb: 14.51 C Lifted Index @700 mb: 8.59 C Showalter Index: 8.69 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 17.30 C K Index: 13.90 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 2.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.18 J/kg Max Up Vert Vel: 9.40 m/s Conv Inhibition (B-): 12912.60 J/kg Cap Strength: 11.15 C Lift Cond Lev (LCL): 807.94 mb = 1802.65 m = 5914.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 233 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 ---------------------------------------------------------- 0 921 757 150 1 -0.5 0.9 | 58 13 -10.8 -6.8 1 850 1397 140 3 -1.9 2.3 | 66 13 -12.2 -5.4 2 700 2949 220 15 9.6 11.5 | 170 4 -0.7 3.8 3 500 5510 200 23 7.9 21.6 | 170 14 -2.4 14.0 4 400 7100 195 40 10.4 38.6 | 180 31 0.1 31.0 5 300 9040 200 54 18.5 50.7 | 191 44 8.2 43.1 6 250 10200 200 75 25.7 70.5 | 194 65 15.4 62.8 7 239 10478 200 79 27.0 74.2 | 194 69 16.7 66.6 8 212 11207 195 50 12.9 48.3 | 184 41 2.6 40.6 9 200 11560 195 50 12.9 48.3 | 184 41 2.6 40.6 10 150 13340 230 25 19.2 16.1 | 226 12 8.9 8.4 11 100 15890 205 23 9.7 20.8 | 178 13 -0.6 13.2 Wind Parameters Mean winds (0-6000m): 203.4 at 17.1 knts Storm direction: 233.4 at 12.8 knts Shear (0-3000m) pos: 2.7 neg: 0.6 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 117.4 deg Storm rel helicity (0-3000m) pos: 43.0 neg: 0.0 tot: 43.0 m^2/s^2 ave: 14.3 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.26 Bulk Shear: 35.11 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 ------------------------------------------------------------------------------- 500 143 2 61 13| 0.0 1.6 1.6| 5.2 0.0 5.2 10.4 0.96| 1.6 1.6 1000 148 3 66 13| 1.8 0.8 2.6| 17.1 0.0 17.1 17.1 0.96| 2.6 2.5 1500 168 4 74 12| 2.7 0.5 3.3| 30.0 0.0 30.0 20.0 0.90| 3.5 3.2 2000 193 6 80 9| 3.3 0.4 3.7| 39.5 0.0 39.5 19.8 0.83| 4.3 3.6 2500 208 8 84 7| 3.2 0.3 3.5| 42.7 0.0 42.7 17.1 0.80| 4.3 3.5 3000 210 9 94 6| 2.7 0.6 3.2| 43.0 0.0 43.0 14.3 0.74| 3.9 2.9 4000 210 12 121 5| 2.0 0.9 2.9| 43.0 -0.9 42.1 10.5 0.62| 3.5 2.1 5000 206 14 141 6| 1.6 1.3 2.9| 46.5 -3.0 43.6 8.7 0.51| 3.4 1.7 6000 203 17 156 9| 1.3 2.0 3.3| 58.3 -3.0 55.3 9.2 0.44| 3.7 1.6 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251204.12.gif