UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121205.upa.cvt Date: 0500Z 12 DEC 25 Searching for ETWM... Searching the city database file for: ETWM ... Date:0500Z 12 DEC 25 Station: ETWM WMO ident: 10304 Latitude: 52.72 Longitude: 7.32 Elevation: 26.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1018 26 3.0 2.6 97 0.4 2.8 160 1 274.7 275.5 275.1 287.0 4.53 1 1000 166 5.6 3.6 87 2.0 4.6 175 13 278.8 279.6 277.8 292.3 4.95 2 925 806 8.4 -15.6 17 24.0 0.5 160 7 287.9 288.1 277.4 291.6 1.22 3 850 1499 4.4 -14.6 24 19.0 -1.9 200 9 290.8 291.0 279.1 295.2 1.45 4 700 3060 -1.7 -27.7 12 26.0 -8.0 190 29 300.6 300.7 282.4 302.5 0.56 5 500 5650 -19.5 -33.5 28 14.0 -21.8 160 35 309.3 309.3 285.6 310.8 0.45 6 400 7270 -30.7 -34.4 70 3.7 -31.2 180 23 315.1 315.2 287.7 316.9 0.52 7 300 9240 -47.5 -51.3 65 3.8 -47.7 200 21 318.4 318.4 288.3 318.8 0.11 8 250 10420 -56.9 -63.9 41 7.0 -57.0 175 21 321.5 321.5 289.2 321.6 0.03 9 219 11252 -59.5 -75.5 11 16.0 -59.6 240 19 329.9 329.9 291.7 329.9 0.01 10 200 11820 -58.9 -75.9 9 17.0 -59.0 240 29 339.5 339.5 294.2 339.5 0.01 11 150 13630 -58.7 -83.7 3 25.0 -58.9 225 17 368.9 368.9 300.4 369.0 0.00 12 100 16150 -60.7 -85.7 2 25.0 -61.0 240 23 410.4 410.4 306.6 410.5 0.00 TRP 219 11252 -59.5 -75.5 11 16.0 -59.6 240 19 329.9 329.9 291.7 329.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5484.00 m Freezing level: 741.80 mb = 2624.97 m = 8611.99 ft Wetbulb zero: 909.75 mb = 942.26 m = 3091.35 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 24.53 % Est. max temperature: 18.38 C = 65.09 F Sfc-Lift cond lev (LCL): 1011.64 mb = 75.17 m = 246.63 ft T: 3.91 C 700-500 lapse rate: 6.87 C/km ThetaE index: 0.69 C Layer 925.0- 850.0 mb Conv cond level (CCL): 613.38 mb = 4076.82 m = 13375.23 ft Mean mixing ratio: 3.24 g/kg Conv temperature: 32.55 C = 90.58 F Cap Strength: 12.81 C Lifted Index: 15.46 C Risk: None Lifted Index @300 mb: 18.98 C Lifted Index @700 mb: 12.81 C Showalter Index: 12.88 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 4.90 C K Index: -16.70 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.72 J/kg Max Up Vert Vel: 7.58 m/s Conv Inhibition (B-): 15489.07 J/kg Cap Strength: 15.32 C Lift Cond Lev (LCL): 836.74 mb = 1625.40 m = 5332.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 207 at 17 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 1018 26 160 1 -0.3 0.9 | 29 17 -8.2 -14.6 1 1000 166 175 13 -1.1 13.0 | 74 9 -9.0 -2.6 2 925 806 160 7 -2.4 6.6 | 49 14 -10.2 -9.0 3 850 1499 200 9 3.1 8.5 | 34 9 -4.7 -7.1 4 700 3060 190 29 5.0 28.6 | 168 13 -2.8 13.0 5 500 5650 160 35 -12.0 32.9 | 131 26 -19.8 17.3 6 400 7270 180 23 0.0 23.0 | 133 11 -7.8 7.4 7 300 9240 200 21 7.2 19.7 | 171 4 -0.6 4.2 8 250 10420 175 21 -1.8 20.9 | 119 11 -9.7 5.3 9 219 11252 240 19 16.5 9.5 | 305 11 8.6 -6.1 10 200 11820 240 29 25.1 14.5 | 274 17 17.3 -1.1 11 150 13630 225 17 12.0 12.0 | 310 6 4.2 -3.6 12 100 16150 240 23 19.9 11.5 | 289 13 12.1 -4.1 Wind Parameters Mean winds (0-6000m): 176.7 at 23.2 knts Storm direction: 206.7 at 17.4 knts Shear (0-3000m) pos: 1.5 neg: 3.3 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 138.4 deg Storm rel helicity (0-3000m) pos: 44.9 neg: -20.4 tot: 24.5 m^2/s^2 ave: 8.2 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.23 Bulk Shear: 23.26 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 ------------------------------------------------------------------------------- 500 172 10 59 11| 8.9 0.0 8.9| 30.0 -6.7 23.3 46.7 0.47| 15.2 7.2 1000 170 9 54 12| 3.4 0.0 3.4| 30.0 -14.5 15.5 15.5 0.24| 9.8 2.4 1500 176 9 51 11| 2.9 0.0 2.9| 30.0 -20.4 9.6 6.4 0.10| 8.0 0.8 2000 183 10 51 9| 2.2 1.7 3.9| 35.2 -20.4 14.8 7.4 0.21| 7.7 1.6 2500 187 12 58 8| 1.8 2.7 4.4| 40.6 -20.4 20.2 8.1 0.31| 7.5 2.3 3000 187 14 73 6| 1.5 3.3 4.8| 44.9 -20.4 24.5 8.2 0.31| 7.4 2.3 4000 186 18 110 6| 1.1 2.9 4.0| 44.9 -38.0 6.9 1.7 0.18| 6.4 1.1 5000 182 21 126 9| 0.9 2.7 3.6| 44.9 -63.2 -18.3 -3.7 0.07| 5.8 0.4 6000 177 23 130 12| 0.7 2.4 3.1| 50.3 -82.4 -32.1 -5.4 0.03| 5.5 0.2 Wrote GIF file: /home/apache/climate/data/raob//ETWM/skewt/ETWM.skewt.20251212.05.gif