UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120508.upa.cvt Date: 0800Z 5 DEC 25 Searching for ETWM... Searching the city database file for: ETWM ... Date:0800Z 5 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 2.6 2.2 97 0.4 2.4 150 1 275.1 275.9 275.2 287.2 4.44 1 1000 79 2.2 1.8 97 0.4 2.0 175 7 275.4 276.1 275.2 287.2 4.35 2 925 712 2.4 2.3 99 0.1 2.4 200 9 281.8 282.6 279.2 295.3 4.88 3 850 1391 -1.7 -1.7 100 0.0 -1.7 275 3 284.4 285.1 279.4 295.6 3.97 4 700 2915 -9.7 -9.7 100 0.0 -9.7 175 13 291.7 292.2 281.1 299.5 2.61 5 500 5430 -25.5 -35.5 39 10.0 -26.8 170 29 301.9 302.0 282.7 303.2 0.37 6 400 7010 -37.7 -41.4 68 3.7 -37.9 165 36 306.0 306.0 284.1 306.9 0.25 7 300 8930 -53.7 -59.7 48 6.0 -53.8 170 50 309.7 309.7 285.2 309.8 0.04 8 254 9981 -60.7 -67.7 39 7.0 -60.7 175 38 314.4 314.4 286.9 314.5 0.02 9 250 10080 -60.1 -71.1 22 11.0 -60.2 170 33 316.7 316.7 287.7 316.8 0.01 10 200 11470 -58.7 -78.7 6 20.0 -58.9 210 15 339.8 339.8 294.3 339.8 0.00 11 150 13280 -59.9 -82.9 3 23.0 -60.1 235 19 366.9 366.9 300.0 366.9 0.00 12 100 15800 -63.1 -86.1 3 23.0 -63.3 250 21 405.8 405.8 306.0 405.8 0.00 TRP 254 9981 -60.7 -67.7 39 7.0 -60.7 175 38 314.4 314.4 286.9 314.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5351.00 m Freezing level: 881.10 mb = 1109.46 m = 3639.93 ft Wetbulb zero: 881.16 mb = 1101.94 m = 3615.24 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 85.02 % Est. max temperature: 11.58 C = 52.84 F Sfc-Lift cond lev (LCL): 1001.69 mb = 67.77 m = 222.33 ft T: 2.28 C 700-500 lapse rate: 6.28 C/km ThetaE index: 0.00 C Layer 1008.0- -0.0 mb Conv cond level (CCL): 1000.00 mb = 79.00 m = 259.18 ft Mean mixing ratio: 4.63 g/kg Conv temperature: 3.27 C = 37.89 F Cap Strength: 4.81 C Lifted Index: 9.52 C Risk: None Lifted Index @300 mb: 12.84 C Lifted Index @700 mb: 4.81 C Showalter Index: 6.59 C Risk: None Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 23.80 C K Index: 22.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 35.00 Risk: None Energy Index: 1.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.28 J/kg Max Up Vert Vel: 7.65 m/s Conv Inhibition (B-): 13464.74 J/kg Cap Strength: 9.39 C Lift Cond Lev (LCL): 953.02 mb = 469.68 m = 1540.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 205 at 12 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 26 150 1 -0.5 0.9 | 29 11 -5.5 -9.7 1 1000 79 175 7 -0.6 7.0 | 57 7 -5.6 -3.6 2 925 712 200 9 3.1 8.5 | 42 3 -1.9 -2.1 3 850 1391 275 3 3.0 -0.3 | 10 11 -2.0 -10.8 4 700 2915 175 13 -1.1 13.0 | 111 7 -6.1 2.4 5 500 5430 170 29 -5.0 28.6 | 151 21 -10.0 18.0 6 400 7010 165 36 -9.3 34.8 | 149 28 -14.3 24.2 7 300 8930 170 50 -8.7 49.2 | 161 41 -13.7 38.7 8 254 9981 175 38 -3.3 37.9 | 163 29 -8.3 27.3 9 250 10080 170 33 -5.7 32.5 | 154 24 -10.7 21.9 10 200 11470 210 15 7.5 13.0 | 226 3 2.5 2.4 11 150 13280 235 19 15.6 10.9 | 268 11 10.6 0.3 12 100 15800 250 21 19.7 7.2 | 283 15 14.7 -3.4 Wind Parameters Mean winds (0-6000m): 175.2 at 15.6 knts Storm direction: 205.2 at 11.7 knts Shear (0-3000m) pos: 0.8 neg: 2.5 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 86.7 deg Storm rel helicity (0-3000m) pos: 16.9 neg: -10.2 tot: 6.6 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.05 Bulk Shear: 9.59 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 ------------------------------------------------------------------------------- 500 184 7 53 6| 7.9 0.0 7.9| 8.8 -0.4 8.4 16.8 0.44| 9.2 4.0 1000 196 8 42 4| 3.2 0.0 3.2| 8.8 -3.8 5.1 5.1 0.03| 8.0 0.3 1500 202 7 29 5| 1.5 0.0 1.5| 13.0 -5.4 7.6 5.1 0.08| 7.1 0.5 2000 211 6 19 5| 1.1 1.1 2.3| 13.0 -10.1 3.0 1.5 -0.02| 6.5 -0.1 2500 206 7 24 5| 0.9 2.0 2.9| 14.4 -10.2 4.2 1.7 0.06| 6.4 0.4 3000 192 8 47 5| 0.8 2.5 3.2| 16.9 -10.2 6.6 2.2 0.12| 6.5 0.8 4000 184 10 81 4| 0.6 2.7 3.2| 26.0 -10.2 15.8 4.0 0.19| 5.7 1.1 5000 178 13 112 6| 0.5 2.8 3.2| 34.0 -10.2 23.8 4.8 0.21| 5.2 1.1 6000 175 16 128 8| 0.4 2.8 3.2| 36.6 -10.9 25.7 4.3 0.20| 4.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//ETWM/skewt/ETWM.skewt.20251205.08.gif