UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120811.upa.cvt Date: 1100Z 8 DEC 25 Searching for ETWM... Searching the city database file for: ETWM ... Date:1100Z 8 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 1008 26 11.4 8.4 82 3.0 9.7 260 7 283.9 285.1 282.5 302.9 6.87 1 1000 83 11.0 8.5 85 2.5 9.6 225 17 284.1 285.4 282.8 303.5 6.97 2 925 729 6.4 5.7 95 0.7 6.1 245 31 285.9 286.9 282.7 303.3 6.21 3 850 1424 5.6 -4.4 49 10.0 1.3 245 40 292.0 292.6 282.0 301.6 3.24 4 700 2980 -3.3 -21.3 23 18.0 -8.3 255 44 298.8 299.0 282.2 302.0 1.00 5 500 5560 -20.9 -22.7 85 1.8 -21.3 255 66 307.6 307.8 285.9 311.6 1.23 6 400 7170 -31.3 -34.9 70 3.6 -31.7 255 87 314.3 314.4 287.4 316.0 0.49 7 300 9130 -49.3 -50.1 91 0.8 -49.3 255 91 315.9 315.9 287.5 316.4 0.13 8 250 10300 -60.3 -64.2 60 3.9 -60.3 260 99 316.4 316.4 287.6 316.5 0.03 9 238 10605 -62.4 -67.5 51 5.0 -62.5 260 103 317.7 317.7 288.0 317.8 0.02 10 228 10869 -64.3 -70.3 44 6.0 -64.3 265 91 318.8 318.8 288.3 318.8 0.01 11 200 11670 -64.5 -73.5 28 9.0 -64.6 255 81 330.6 330.6 291.9 330.7 0.01 12 150 13460 -60.7 -83.7 3 23.0 -60.9 245 54 365.5 365.5 299.8 365.5 0.00 13 100 15970 -61.7 -86.7 2 25.0 -61.9 275 40 408.5 408.5 306.3 408.5 0.00 TRP 228 10869 -64.3 -70.3 44 6.0 -64.3 265 91 318.8 318.8 288.3 318.8 0.01 WND 238 10605 -62.4 -67.5 51 5.0 -62.5 260 103 317.7 317.7 288.0 317.8 0.02 Sounding variables and indices 1000-500 mb thick: 5477.00 m Freezing level: 755.62 mb = 2403.06 m = 7883.95 ft Wetbulb zero: 829.57 mb = 1618.98 m = 5311.56 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 55.68 % Est. max temperature: 18.84 C = 65.91 F Sfc-Lift cond lev (LCL): 963.30 mb = 392.78 m = 1288.64 ft T: 8.79 C 700-500 lapse rate: 6.82 C/km ThetaE index: 1.90 C Layer 925.0- 700.0 mb Conv cond level (CCL): 835.94 mb = 1557.70 m = 5110.49 ft Mean mixing ratio: 6.48 g/kg Conv temperature: 20.12 C = 68.22 F Cap Strength: 4.30 C Lifted Index: 5.80 C Risk: None Lifted Index @300 mb: 9.04 C Lifted Index @700 mb: 4.30 C Showalter Index: 6.97 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 16.50 C K Index: 4.10 Risk: None Sweat Index: 192.71 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.09 J/kg Max Up Vert Vel: 4.02 m/s Conv Inhibition (B-): 10321.69 J/kg Cap Strength: 5.78 C Lift Cond Lev (LCL): 932.64 mb = 660.86 m = 2168.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 282 at 35 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 1008 26 260 7 6.9 1.2 | 107 29 -27.6 8.6 1 1000 83 225 17 12.0 12.0 | 131 30 -22.4 19.4 2 925 729 245 31 28.1 13.1 | 163 21 -6.4 20.5 3 850 1424 245 40 36.3 16.9 | 184 24 1.8 24.3 4 700 2980 255 44 42.5 11.4 | 203 20 8.0 18.8 5 500 5560 255 66 63.8 17.1 | 230 38 29.3 24.5 6 400 7170 255 87 84.0 22.5 | 239 58 49.6 29.9 7 300 9130 255 91 87.9 23.6 | 240 62 53.4 31.0 8 250 10300 260 99 97.5 17.2 | 249 68 63.0 24.6 9 238 10605 260 103 101.4 17.9 | 249 72 67.0 25.3 10 228 10869 265 91 90.7 7.9 | 255 58 56.2 15.3 11 200 11670 255 81 78.2 21.0 | 237 52 43.8 28.4 12 150 13460 245 54 48.9 22.8 | 206 34 14.5 30.2 13 100 15970 275 40 39.8 -3.5 | 234 7 5.4 3.9 Wind Parameters Mean winds (0-6000m): 252.2 at 47.0 knts Storm direction: 282.2 at 35.2 knts Shear (0-3000m) pos: 3.5 neg: 3.5 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 96.6 deg Storm rel helicity (0-3000m) pos: 280.1 neg: 0.0 tot: 280.1 m^2/s^2 ave: 93.4 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 7.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 106.12 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 ------------------------------------------------------------------------------- 500 233 21 138 27| 0.0 20.8 20.8|156.1 0.0 156.1 312.3 0.94| 23.4 22.0 1000 241 26 149 23| 4.6 10.4 15.0|205.9 0.0 205.9 205.9 0.93| 16.5 15.3 1500 242 30 159 23| 4.9 6.9 11.8|237.8 0.0 237.8 158.6 0.93| 12.9 12.0 2000 244 33 167 22| 4.1 5.2 9.3|252.0 0.0 252.0 126.0 0.92| 10.4 9.6 2500 246 35 172 22| 3.7 4.2 7.9|265.9 0.0 265.9 106.4 0.92| 8.8 8.2 3000 247 36 177 21| 3.5 3.5 6.9|280.1 0.0 280.1 93.4 0.92| 7.9 7.2 4000 250 39 186 21| 2.6 3.6 6.2|316.4 0.0 316.4 79.1 0.88| 7.0 6.2 5000 251 43 196 22| 2.1 3.8 5.8|352.7 0.0 352.7 70.5 0.84| 6.5 5.4 6000 252 47 205 24| 1.7 4.0 5.8|397.9 0.0 397.9 66.3 0.78| 6.3 4.9 Wrote GIF file: /home/apache/climate/data/raob//ETWM/skewt/ETWM.skewt.20251208.11.gif