UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120406.upa.cvt Date: 0600Z 4 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 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 96 1 925 736 170 1 SFC 923 757 -3.9 -4.3 97 0.4 -4.0 170 1 275.5 276.0 273.3 283.8 3.01 3 850 1413 2.0 -6.0 55 8.0 -1.2 230 3 288.2 288.7 279.8 296.6 2.87 4 700 2956 -5.3 -10.3 68 5.0 -7.1 195 13 296.6 297.1 283.1 304.2 2.49 5 500 5510 -22.7 -27.3 66 4.6 -23.5 205 23 305.4 305.5 284.6 308.1 0.81 6 400 7110 -35.5 -44.5 39 9.0 -36.1 210 38 308.9 308.9 285.1 309.5 0.18 7 300 9040 -51.5 -58.5 43 7.0 -51.7 210 50 312.8 312.8 286.4 312.9 0.05 8 250 10200 -60.9 -64.9 59 4.0 -60.9 215 46 315.5 315.5 287.3 315.6 0.02 9 219 11006 -67.1 -69.4 72 2.3 -67.1 200 33 318.1 318.1 288.2 318.2 0.02 10 200 11560 -60.5 -79.5 7 19.0 -60.6 210 44 337.0 337.0 293.6 337.0 0.00 11 150 13350 -58.9 -82.9 3 24.0 -59.1 230 25 368.6 368.6 300.3 368.6 0.00 12 100 15890 -59.1 -85.1 2 26.0 -59.5 235 27 413.5 413.5 306.9 413.6 0.00 TRP 219 11006 -67.1 -69.4 72 2.3 -67.1 200 33 318.1 318.1 288.2 318.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5414.00 m Freezing level: Surface below freezing Freezing level: 874.75 mb = 1190.63 m = 3906.21 ft Freezing level: 808.90 mb = 1835.74 m = 6022.69 ft Wetbulb zero: Below ground Precipitable water: 0.40 inches Sfc-500 mean rel hum: 66.50 % Est. max temperature: 12.56 C = 54.61 F Sfc-Lift cond lev (LCL): 917.06 mb = 808.37 m = 2652.09 ft T: -3.44 C 700-500 lapse rate: 6.81 C/km ThetaE index: 0.00 C Layer 923.0- 0.0 mb Conv cond level (CCL): 647.27 mb = 3550.52 m = 11648.53 ft Mean mixing ratio: 2.91 g/kg Conv temperature: 18.82 C = 65.88 F Cap Strength: 8.86 C Lifted Index: 11.91 C Risk: None Lifted Index @300 mb: 14.63 C Lifted Index @700 mb: 8.86 C Showalter Index: 8.66 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 16.70 C K Index: 13.70 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 2.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.11 J/kg Max Up Vert Vel: 9.71 m/s Conv Inhibition (B-): 14130.97 J/kg Cap Strength: 11.82 C Lift Cond Lev (LCL): 802.55 mb = 1869.46 m = 6133.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 234 at 12 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 ---------------------------------------------------------- 0 923 757 170 1 -0.2 1.0 | 58 12 -10.0 -6.2 1 850 1413 230 3 2.3 1.9 | 55 9 -7.5 -5.2 2 700 2956 195 13 3.4 12.6 | 130 8 -6.4 5.4 3 500 5510 205 23 9.7 20.8 | 180 14 -0.1 13.7 4 400 7110 210 38 19.0 32.9 | 200 27 9.2 25.8 5 300 9040 210 50 25.0 43.3 | 203 39 15.2 36.1 6 250 10200 215 46 26.4 37.7 | 209 35 16.6 30.5 7 219 11006 200 33 11.3 31.0 | 184 24 1.5 23.9 8 200 11560 210 44 22.0 38.1 | 202 33 12.2 30.9 9 150 13350 230 25 19.2 16.1 | 226 13 9.3 8.9 10 100 15890 235 27 22.1 15.5 | 236 15 12.3 8.3 Wind Parameters Mean winds (0-6000m): 203.9 at 16.2 knts Storm direction: 233.9 at 12.1 knts Shear (0-3000m) pos: 1.1 neg: 1.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 21.9 neg: -1.9 tot: 20.0 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.71 Bulk Shear: 27.62 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 ------------------------------------------------------------------------------- 500 212 2 57 11| 2.0 0.0 2.0| 1.0 -0.7 0.3 0.7 0.04| 2.1 0.1 1000 221 3 58 10| 2.4 0.0 2.4| 3.0 -1.9 1.1 1.1 0.11| 2.6 0.3 1500 216 4 62 8| 1.6 1.2 2.8| 7.7 -1.9 5.8 3.9 0.41| 3.0 1.2 2000 207 6 73 8| 1.2 1.8 3.0| 12.9 -1.9 11.1 5.5 0.55| 3.2 1.8 2500 201 7 85 7| 1.0 2.0 3.0| 17.4 -1.9 15.5 6.2 0.58| 3.1 1.8 3000 200 8 96 7| 1.1 1.7 2.8| 21.9 -1.9 20.0 6.7 0.62| 3.0 1.9 4000 200 11 116 7| 1.4 1.3 2.6| 31.5 -1.9 29.6 7.4 0.67| 2.8 1.8 5000 202 13 137 7| 1.7 1.0 2.7| 44.2 -1.9 42.4 8.5 0.66| 2.8 1.8 6000 204 16 157 8| 2.2 0.8 3.0| 66.1 -1.9 64.2 10.7 0.61| 3.1 1.9 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251204.06.gif