UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121911.upa.cvt Date: 1100Z 19 DEC 25 Searching for ETWM... Searching the city database file for: ETWM ... Date:1100Z 19 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 1012 26 10.4 9.9 97 0.5 10.1 230 5 282.6 283.9 282.7 303.4 7.58 1 1000 122 9.6 9.6 100 0.0 9.6 210 15 282.8 284.0 282.7 303.4 7.52 2 925 767 6.2 6.0 99 0.2 6.1 250 23 285.6 286.8 282.7 303.4 6.34 3 850 1456 2.8 2.8 100 0.0 2.8 235 25 289.1 290.0 283.3 304.8 5.51 4 700 3006 -5.5 -5.7 98 0.2 -5.6 230 29 296.4 297.0 284.2 307.1 3.57 5 500 5580 -18.5 -21.7 76 3.2 -19.3 230 54 310.5 310.7 287.1 314.9 1.35 6 400 7210 -29.5 -30.8 88 1.3 -29.7 215 62 316.6 316.8 288.5 319.2 0.73 7 300 9200 -45.5 -49.3 65 3.8 -45.7 215 75 321.2 321.3 289.3 321.8 0.14 8 250 10390 -55.5 -66.5 24 11.0 -55.6 210 75 323.6 323.6 289.9 323.6 0.02 9 200 11770 -65.9 -71.9 43 6.0 -66.0 200 77 328.4 328.4 291.3 328.4 0.01 10 188 12145 -67.5 -72.7 47 5.2 -67.5 200 83 331.7 331.7 292.2 331.7 0.01 11 185 12242 -67.9 -72.9 49 5.0 -67.9 205 81 332.6 332.6 292.4 332.6 0.01 12 150 13510 -66.7 -82.7 9 16.0 -66.8 225 56 355.2 355.2 297.7 355.2 0.00 13 100 15990 -64.5 -85.5 4 21.0 -64.7 230 44 403.1 403.1 305.6 403.1 0.00 TRP 185 12242 -67.9 -72.9 49 5.0 -67.9 205 81 332.6 332.6 292.4 332.6 0.01 WND 188 12145 -67.5 -72.7 47 5.2 -67.5 200 83 331.7 331.7 292.2 331.7 0.01 Sounding variables and indices 1000-500 mb thick: 5458.00 m Freezing level: 799.40 mb = 1978.89 m = 6492.35 ft Wetbulb zero: 800.35 mb = 1936.54 m = 6353.39 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 93.49 % Est. max temperature: 16.35 C = 61.42 F Sfc-Lift cond lev (LCL): 1004.45 mb = 86.30 m = 283.14 ft T: 9.90 C 700-500 lapse rate: 5.05 C/km ThetaE index: 0.01 C Layer 925.0- 850.0 mb Conv cond level (CCL): 958.40 mb = 473.55 m = 1553.62 ft Mean mixing ratio: 6.91 g/kg Conv temperature: 12.15 C = 53.87 F Cap Strength: 2.01 C Lifted Index: 8.08 C Risk: None Lifted Index @300 mb: 12.72 C Lifted Index @700 mb: 2.01 C Showalter Index: 7.20 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 21.30 C K Index: 23.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 137.60 Risk: None Energy Index: 2.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.10 J/kg Max Up Vert Vel: 5.31 m/s Conv Inhibition (B-): 9124.90 J/kg Cap Strength: 7.69 C Lift Cond Lev (LCL): 959.44 mb = 464.56 m = 1524.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 261 at 26 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 1012 26 230 5 3.8 3.2 | 88 21 -21.4 -0.6 1 1000 122 210 15 7.5 13.0 | 117 20 -17.8 9.1 2 925 767 250 23 21.6 7.9 | 138 5 -3.6 4.0 3 850 1456 235 25 20.5 14.3 | 156 12 -4.8 10.5 4 700 3006 230 29 22.2 18.6 | 168 15 -3.0 14.8 5 500 5580 230 54 41.4 34.7 | 208 35 16.1 30.9 6 400 7210 215 62 35.6 50.8 | 192 48 10.3 46.9 7 300 9200 215 75 43.0 61.4 | 197 60 17.8 57.6 8 250 10390 210 75 37.5 65.0 | 191 62 12.2 61.1 9 200 11770 200 77 26.3 72.4 | 181 69 1.1 68.5 10 188 12145 200 83 28.4 78.0 | 182 74 3.1 74.1 11 185 12242 205 81 34.2 73.4 | 187 70 9.0 69.6 12 150 13510 225 56 39.6 39.6 | 202 39 14.3 35.7 13 100 15990 230 44 33.7 28.3 | 199 26 8.4 24.4 Wind Parameters Mean winds (0-6000m): 231.3 at 34.1 knts Storm direction: 261.3 at 25.5 knts Shear (0-3000m) pos: 3.2 neg: 1.5 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 80.7 deg Storm rel helicity (0-3000m) pos: 88.8 neg: 0.0 tot: 88.8 m^2/s^2 ave: 29.6 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.32 Bulk Shear: 44.57 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 ------------------------------------------------------------------------------- 500 223 16 119 16| 15.5 0.0 15.5| 70.9 0.0 70.9 141.8 0.72| 20.2 14.6 1000 237 19 126 11| 9.7 0.0 9.7| 75.7 0.0 75.7 75.7 0.60| 14.2 8.5 1500 238 21 134 10| 6.5 1.5 8.0| 78.5 0.0 78.5 52.4 0.56| 11.0 6.1 2000 237 22 141 11| 4.9 1.4 6.3| 81.9 0.0 81.9 41.0 0.56| 8.6 4.8 2500 236 23 146 11| 3.9 1.4 5.3| 85.2 0.0 85.2 34.1 0.56| 7.2 4.1 3000 235 24 151 12| 3.2 1.5 4.7| 88.8 0.0 88.8 29.6 0.57| 6.3 3.5 4000 233 26 161 13| 2.4 2.2 4.6|123.0 0.0 123.0 30.7 0.60| 6.0 3.6 5000 232 30 174 15| 1.9 2.7 4.7|157.1 0.0 157.1 31.4 0.59| 5.8 3.4 6000 231 34 184 17| 1.6 3.0 4.6|174.2 -25.2 149.0 24.8 0.49| 5.6 2.8 Wrote GIF file: /home/apache/climate/data/raob//ETWM/skewt/ETWM.skewt.20251219.11.gif