UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120306.upa.cvt Date: 0600Z 3 DEC 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 3 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 109 SFC 925 757 -2.3 -2.6 98 0.3 -2.4 150 1 277.0 277.5 274.8 286.4 3.41 2 850 1429 2.4 -5.6 55 8.0 -0.8 220 5 288.7 289.2 280.1 297.3 2.96 3 700 2967 -9.1 -11.9 80 2.8 -10.0 210 9 292.4 292.8 280.9 299.0 2.19 4 500 5510 -21.9 -40.9 16 19.0 -24.2 330 11 306.3 306.4 284.2 307.1 0.21 5 400 7110 -34.9 -57.9 8 23.0 -36.0 350 11 309.6 309.6 285.2 309.8 0.04 6 300 9060 -49.3 -64.3 16 15.0 -49.6 280 21 315.9 315.9 287.4 316.0 0.02 7 250 10230 -56.5 -67.5 24 11.0 -56.6 245 19 322.1 322.1 289.4 322.1 0.02 8 200 11620 -62.3 -72.3 25 10.0 -62.4 175 23 334.1 334.1 292.8 334.1 0.01 9 197 11714 -63.1 -73.1 25 10.0 -63.2 185 27 334.3 334.3 292.9 334.3 0.01 10 150 13420 -57.5 -83.5 2 26.0 -57.8 225 13 371.0 371.0 300.8 371.0 0.00 11 100 15960 -59.3 -85.3 2 26.0 -59.6 250 21 413.2 413.2 306.9 413.2 0.00 TRP 197 11714 -63.1 -73.1 25 10.0 -63.2 185 27 334.3 334.3 292.9 334.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5401.00 m Freezing level: Surface below freezing Freezing level: 888.30 mb = 1085.85 m = 3562.46 ft Freezing level: 818.70 mb = 1749.97 m = 5741.31 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 58.25 % Est. max temperature: 10.95 C = 51.70 F Sfc-Lift cond lev (LCL): 920.50 mb = 795.72 m = 2610.59 ft T: -2.03 C 700-500 lapse rate: 5.03 C/km ThetaE index: 0.00 C Layer 925.0-272008302207532160516096.0 mb Conv cond level (CCL): 724.46 mb = 2694.89 m = 8841.41 ft Mean mixing ratio: 3.11 g/kg Conv temperature: 12.20 C = 53.96 F Cap Strength: 4.98 C Lifted Index: 11.89 C Risk: None Lifted Index @300 mb: 16.07 C Lifted Index @700 mb: 4.36 C Showalter Index: 8.96 C Risk: None Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 24.30 C Cross Totals Index: 16.30 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 21.00 Risk: None Energy Index: 2.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.05 J/kg Max Up Vert Vel: 8.84 m/s Conv Inhibition (B-): 13379.91 J/kg Cap Strength: 11.53 C Lift Cond Lev (LCL): 806.82 mb = 1841.99 m = 6043.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 7 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 ---------------------------------------------------------- 0 925 757 150 1 -0.5 0.9 | 134 7 -5.4 5.2 1 850 1429 220 5 3.2 3.8 | 168 8 -1.7 8.2 2 700 2967 210 9 4.5 7.8 | 178 12 -0.4 12.1 3 500 5510 330 11 5.5 -9.5 | 353 5 0.6 -5.2 4 400 7110 350 11 1.9 -10.8 | 25 7 -3.0 -6.5 5 300 9060 280 21 20.7 -3.6 | 267 16 15.8 0.7 6 250 10230 245 19 17.2 8.0 | 225 17 12.3 12.4 7 200 11620 175 23 -2.0 22.9 | 166 28 -6.9 27.3 8 197 11714 185 27 2.4 26.9 | 175 31 -2.5 31.3 9 150 13420 225 13 9.2 9.2 | 198 14 4.3 13.5 10 100 15960 250 21 19.7 7.2 | 232 19 14.9 11.5 Wind Parameters Mean winds (0-6000m): 281.7 at 8.7 knts Storm direction: 311.7 at 6.5 knts Shear (0-3000m) pos: 1.5 neg: 0.5 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 72.2 deg Storm rel helicity (0-3000m) pos: 30.4 neg: 0.0 tot: 30.4 m^2/s^2 ave: 10.1 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.23 Bulk Shear: 9.23 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 ------------------------------------------------------------------------------- 500 208 2 150 7| 3.6 0.0 3.6| 7.6 0.0 7.6 15.1 0.90| 3.9 3.5 1000 214 4 160 8| 2.9 0.0 2.9| 12.6 0.0 12.6 12.6 0.88| 3.3 2.9 1500 215 5 165 8| 1.9 0.5 2.4| 14.1 0.0 14.1 9.4 0.80| 2.6 2.1 2000 214 5 168 9| 1.4 0.7 2.1| 15.3 0.0 15.3 7.7 0.73| 2.3 1.7 2500 214 6 171 10| 1.4 0.6 2.0| 21.6 0.0 21.6 8.7 0.73| 2.4 1.8 3000 219 7 176 10| 1.5 0.5 1.9| 30.4 0.0 30.4 10.1 0.76| 2.7 2.0 4000 235 8 188 9| 1.5 0.3 1.9| 42.5 0.0 42.5 10.6 0.79| 3.1 2.4 5000 255 8 205 7| 1.4 0.3 1.7| 50.8 0.0 50.8 10.2 0.83| 3.2 2.7 6000 282 9 235 4| 1.2 0.2 1.5| 54.1 0.0 54.1 9.0 0.83| 2.9 2.4 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251203.06.gif