UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042306.upa.cvt Date: 0600Z 23 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 23 APR 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 148 SFC 930 757 4.4 2.9 90 1.5 3.7 280 3 283.4 284.2 280.3 297.5 5.07 2 925 804 9.0 4.6 74 4.4 6.7 130 1 288.5 289.5 283.3 304.8 5.75 3 850 1503 6.2 2.8 79 3.4 4.5 80 5 292.6 293.6 284.8 308.6 5.51 4 700 3065 -4.5 -5.8 91 1.3 -5.0 240 11 297.5 298.1 284.6 308.1 3.54 5 500 5640 -19.9 -33.9 28 14.0 -22.1 190 19 308.8 308.9 285.4 310.3 0.43 6 400 7250 -32.9 -41.9 40 9.0 -33.7 205 23 312.2 312.3 286.4 313.1 0.24 7 300 9200 -49.7 -53.5 64 3.8 -49.8 205 25 315.3 315.3 287.3 315.6 0.09 8 250 10370 -58.1 -64.1 46 6.0 -58.2 210 31 319.7 319.7 288.7 319.8 0.03 9 221 11142 -62.9 -67.9 51 5.0 -63.0 215 29 323.8 323.8 289.9 323.8 0.02 10 200 11770 -56.3 -78.3 5 22.0 -56.5 235 19 343.6 343.6 295.2 343.6 0.00 11 150 13620 -52.7 -83.7 1 31.0 -53.2 220 15 379.3 379.3 302.1 379.3 0.00 12 100 16240 -53.9 -84.9 1 31.0 -54.5 255 11 423.6 423.6 308.2 423.6 0.00 TRP 221 11142 -62.9 -67.9 51 5.0 -63.0 215 29 323.8 323.8 289.9 323.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5492.00 m Freezing level: 763.08 mb = 2408.08 m = 7900.44 ft Wetbulb zero: 779.32 mb = 2201.46 m = 7222.55 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 69.68 % Est. max temperature: 15.63 C = 60.14 F Sfc-Lift cond lev (LCL): 908.67 mb = 951.22 m = 3120.77 ft T: 8.41 C 700-500 lapse rate: 5.98 C/km ThetaE index: 0.45 C Layer 700.0- 500.0 mb Conv cond level (CCL): 784.96 mb = 2143.41 m = 7032.09 ft Mean mixing ratio: 5.56 g/kg Conv temperature: 15.47 C = 59.85 F Cap Strength: 2.28 C Lifted Index: 4.46 C Risk: None Lifted Index @300 mb: 6.18 C Lifted Index @700 mb: 1.22 C Showalter Index: 3.28 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 22.70 C K Index: 27.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 62.60 Risk: None Energy Index: 0.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.03 J/kg Max Up Vert Vel: 5.48 m/s Conv Inhibition (B-): 9508.37 J/kg Cap Strength: 4.17 C Lift Cond Lev (LCL): 829.79 mb = 1696.64 m = 5566.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 233 at 10 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 ---------------------------------------------------------- 0 930 757 280 3 3.0 -0.5 | 37 8 -4.8 -6.3 1 925 804 130 1 -0.8 0.6 | 59 10 -8.5 -5.1 2 850 1503 80 5 -4.9 -0.9 | 62 14 -12.7 -6.7 3 700 3065 240 11 9.5 5.5 | 279 2 1.8 -0.3 4 500 5640 190 19 3.3 18.7 | 161 14 -4.4 12.9 5 400 7250 205 23 9.7 20.8 | 188 15 2.0 15.1 6 300 9200 205 25 10.6 22.7 | 190 17 2.8 16.9 7 250 10370 210 31 15.5 26.8 | 200 22 7.8 21.1 8 221 11142 215 29 16.6 23.8 | 206 20 8.9 18.0 9 200 11770 235 19 15.6 10.9 | 237 9 7.8 5.1 10 150 13620 220 15 9.6 11.5 | 199 6 1.9 5.7 11 100 16240 255 11 10.6 2.8 | 315 4 2.9 -2.9 Wind Parameters Mean winds (0-6000m): 203.2 at 12.9 knts Storm direction: 233.2 at 9.7 knts Shear (0-3000m) pos: 1.7 neg: 0.4 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 172.1 deg Storm rel helicity (0-3000m) pos: 50.1 neg: -3.3 tot: 46.8 m^2/s^2 ave: 15.6 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.64 Bulk Shear: 23.65 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 ------------------------------------------------------------------------------- 500 105 2 62 11| 6.8 0.0 6.8| 10.7 0.0 10.7 21.4 0.65| 7.1 4.6 1000 90 4 63 13| 4.6 0.0 4.6| 20.0 -1.5 18.5 18.5 0.59| 5.7 3.4 1500 115 5 72 13| 3.4 0.0 3.4| 38.8 -1.5 37.3 24.9 0.69| 6.0 4.1 2000 157 6 87 10| 2.4 0.0 2.4| 48.2 -1.5 46.7 23.4 0.65| 6.6 4.3 2500 216 7 85 4| 2.0 0.0 2.0| 50.1 -1.9 48.2 19.3 0.62| 6.7 4.2 3000 224 8 84 2| 1.7 0.4 2.1| 50.1 -3.3 46.8 15.6 0.52| 6.0 3.1 4000 218 9 131 3| 1.2 1.1 2.3| 50.1 -8.4 41.7 10.4 0.37| 5.3 2.0 5000 207 11 148 5| 1.0 1.4 2.4| 51.5 -17.8 33.7 6.7 0.26| 4.9 1.3 6000 203 13 156 7| 1.2 1.2 2.3| 66.7 -17.8 48.9 8.2 0.32| 4.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250423.06.gif