UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042218.upa.cvt Date: 1800Z 22 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 22 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 931 757 13.8 4.8 55 9.0 9.0 40 3 292.9 293.9 285.2 309.6 5.79 2 925 810 13.2 3.2 51 10.0 8.0 15 3 292.8 293.7 284.5 307.9 5.21 3 850 1513 6.6 2.4 75 4.2 4.5 90 3 293.1 294.0 284.8 308.6 5.35 4 700 3072 -3.7 -4.6 93 0.9 -4.1 215 17 298.4 299.1 285.3 310.0 3.88 5 500 5650 -20.3 -27.3 54 7.0 -21.7 250 15 308.3 308.4 285.7 311.0 0.81 6 400 7270 -32.1 -49.1 17 17.0 -33.3 230 15 313.3 313.3 286.6 313.7 0.11 7 300 9220 -48.9 -54.9 50 6.0 -49.1 240 23 316.4 316.4 287.6 316.7 0.07 8 250 10400 -58.3 -62.8 56 4.5 -58.4 240 33 319.4 319.4 288.6 319.5 0.03 9 225 11055 -62.5 -68.5 44 6.0 -62.6 240 38 322.7 322.7 289.6 322.8 0.02 10 200 11790 -56.9 -76.9 6 20.0 -57.1 225 25 342.7 342.7 295.0 342.7 0.01 11 150 13640 -50.9 -82.9 1 32.0 -51.5 250 21 382.4 382.4 302.6 382.4 0.00 12 100 16250 -54.9 -85.9 1 31.0 -55.5 270 19 421.7 421.7 307.9 421.7 0.00 TRP 225 11055 -62.5 -68.5 44 6.0 -62.6 240 38 322.7 322.7 289.6 322.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5502.00 m Freezing level: 753.88 mb = 2511.97 m = 8241.28 ft Wetbulb zero: 771.57 mb = 2290.33 m = 7514.11 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 75.07 % Est. max temperature: 16.29 C = 61.33 F Sfc-Lift cond lev (LCL): 812.78 mb = 1872.57 m = 6143.52 ft T: 4.22 C 700-500 lapse rate: 6.44 C/km ThetaE index: 1.72 C Layer 925.0- 850.0 mb Conv cond level (CCL): 759.91 mb = 2412.59 m = 7915.22 ft Mean mixing ratio: 5.29 g/kg Conv temperature: 17.03 C = 62.65 F Cap Strength: 1.78 C Lifted Index: 3.06 C Risk: None Lifted Index @300 mb: 5.92 C Lifted Index @700 mb: 1.20 C Showalter Index: 2.88 C Risk: Showers probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 22.70 C K Index: 28.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 61.80 Risk: None Energy Index: 0.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.31 J/kg Max Up Vert Vel: 2.15 m/s Conv Inhibition (B-): 9823.86 J/kg Cap Strength: 2.94 C Lift Cond Lev (LCL): 795.30 mb = 2047.08 m = 6716.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 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 ---------------------------------------------------------- 0 931 757 40 3 -1.9 -2.3 | 71 12 -11.3 -4.0 1 925 810 15 3 -0.8 -2.9 | 66 11 -10.2 -4.6 2 850 1513 90 3 -3.0 0.0 | 82 13 -12.4 -1.7 3 700 3072 215 17 9.8 13.9 | 182 12 0.3 12.3 4 500 5650 250 15 14.1 5.1 | 233 6 4.7 3.5 5 400 7270 230 15 11.5 9.6 | 195 8 2.1 8.0 6 300 9220 240 23 19.9 11.5 | 227 14 10.5 9.8 7 250 10400 240 33 28.6 16.5 | 232 24 19.2 14.8 8 225 11055 240 38 32.9 19.0 | 234 29 23.5 17.3 9 200 11790 225 25 17.7 17.7 | 207 18 8.3 16.0 10 150 13640 250 21 19.7 7.2 | 242 12 10.3 5.5 11 100 16250 270 19 19.0 -0.0 | 280 10 9.6 -1.7 Wind Parameters Mean winds (0-6000m): 230.0 at 12.8 knts Storm direction: 260.0 at 9.6 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 120.8 deg Storm rel helicity (0-3000m) pos: 112.6 neg: -2.5 tot: 110.1 m^2/s^2 ave: 36.7 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 5.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 32.59 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 38 3 70 12| 1.2 0.0 1.2| 6.1 -2.5 3.6 7.1 0.34| 3.4 1.1 1000 68 3 77 13| 2.6 0.0 2.6| 17.5 -2.5 15.0 15.0 0.61| 3.7 2.3 1500 114 5 91 14| 3.8 0.0 3.8| 44.5 -2.5 42.0 28.0 0.78| 4.8 3.8 2000 167 6 113 12| 4.3 0.0 4.3| 81.8 -2.5 79.3 39.6 0.86| 6.1 5.2 2500 205 8 135 8| 4.1 0.0 4.1|108.4 -2.5 105.9 42.4 0.88| 6.5 5.8 3000 211 10 146 8| 3.3 0.0 3.3|112.6 -2.5 110.1 36.7 0.87| 5.8 5.1 4000 219 11 163 7| 2.4 0.0 2.4|119.5 -2.5 117.0 29.2 0.86| 4.8 4.2 5000 226 12 175 7| 1.8 0.0 1.8|124.3 -3.0 121.3 24.3 0.84| 4.2 3.6 6000 230 13 183 7| 1.5 0.3 1.8|124.3 -8.0 116.3 19.4 0.72| 3.8 2.7 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250422.18.gif