UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121808.upa.cvt Date: 0800Z 18 DEC 25 Searching for ETWM... Searching the city database file for: ETWM ... Date:0800Z 18 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 1013 26 8.8 5.0 77 3.8 6.9 230 9 280.9 281.8 279.4 295.8 5.40 1 1000 126 8.0 4.2 77 3.8 6.1 200 19 281.1 282.0 279.3 295.4 5.17 2 925 765 4.8 -0.2 70 5.0 2.5 240 40 284.2 284.9 279.4 295.7 4.07 3 850 1454 3.0 -14.0 27 17.0 -2.6 230 36 289.3 289.6 278.6 293.9 1.52 4 700 3012 -3.7 -4.5 94 0.8 -4.0 240 25 298.4 299.1 285.4 310.1 3.91 5 500 5610 -17.5 -22.3 66 4.8 -18.7 250 29 311.7 311.9 287.4 316.0 1.28 6 400 7250 -28.1 -53.1 7 25.0 -30.0 250 38 318.5 318.5 288.3 318.7 0.07 7 300 9240 -45.5 -53.5 40 8.0 -45.8 285 29 321.2 321.2 289.2 321.6 0.09 8 250 10420 -56.5 -63.5 41 7.0 -56.6 290 50 322.1 322.1 289.4 322.2 0.03 9 200 11810 -65.3 -69.3 57 4.0 -65.3 290 21 329.3 329.4 291.6 329.4 0.02 10 172 12719 -71.9 -76.5 50 4.6 -71.9 240 38 332.9 332.9 292.5 333.0 0.01 11 150 13550 -62.3 -83.3 4 21.0 -62.4 235 40 362.8 362.8 299.2 362.8 0.00 12 100 16040 -64.1 -86.1 3 22.0 -64.3 245 19 403.9 403.9 305.7 403.9 0.00 TRP 172 12719 -71.9 -76.5 50 4.6 -71.9 240 38 332.9 332.9 292.5 333.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5484.00 m Freezing level: 782.84 mb = 2151.61 m = 7059.01 ft Wetbulb zero: 888.06 mb = 1097.04 m = 3599.17 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 70.26 % Est. max temperature: 16.29 C = 61.32 F Sfc-Lift cond lev (LCL): 955.98 mb = 494.95 m = 1623.82 ft T: 6.15 C 700-500 lapse rate: 5.31 C/km ThetaE index: 1.84 C Layer 850.0- 700.0 mb Conv cond level (CCL): 746.00 mb = 2501.32 m = 8206.34 ft Mean mixing ratio: 4.60 g/kg Conv temperature: 23.34 C = 74.01 F Cap Strength: 8.35 C Lifted Index: 14.59 C Risk: None Lifted Index @300 mb: 18.23 C Lifted Index @700 mb: 8.35 C Showalter Index: 15.82 C Risk: None Total Totals Index: 24.00 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 3.50 C K Index: 5.70 Risk: None Sweat Index: 168.75 Risk: None Energy Index: 4.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.07 J/kg Max Up Vert Vel: 3.76 m/s Conv Inhibition (B-): 12740.04 J/kg Cap Strength: 14.23 C Lift Cond Lev (LCL): 898.59 mb = 1001.05 m = 3284.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 at 22 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 1013 26 230 9 6.9 5.8 | 110 16 -15.1 5.5 1 1000 126 200 19 6.5 17.9 | 138 23 -15.5 17.5 2 925 765 240 40 34.6 20.0 | 213 23 12.6 19.7 3 850 1454 230 36 27.6 23.1 | 194 23 5.5 22.8 4 700 3012 240 25 21.7 12.5 | 178 12 -0.4 12.2 5 500 5610 250 29 27.3 9.9 | 209 11 5.2 9.6 6 400 7250 250 38 35.7 13.0 | 227 19 13.7 12.7 7 300 9240 285 29 28.0 -7.5 | 323 10 6.0 -7.8 8 250 10420 290 50 47.0 -17.1 | 305 30 25.0 -17.4 9 200 11810 290 21 19.7 -7.2 | 17 8 -2.3 -7.5 10 172 12719 240 38 32.9 19.0 | 210 22 10.9 18.7 11 150 13550 235 40 32.8 22.9 | 205 25 10.7 22.6 12 100 16040 245 19 17.2 8.0 | 148 9 -4.8 7.7 Wind Parameters Mean winds (0-6000m): 239.2 at 29.4 knts Storm direction: 269.2 at 22.0 knts Shear (0-3000m) pos: 2.0 neg: 3.7 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 68.5 deg Storm rel helicity (0-3000m) pos: 220.2 neg: -61.4 tot: 158.8 m^2/s^2 ave: 52.9 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 20.94 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 ------------------------------------------------------------------------------- 500 215 23 155 21| 0.0 23.9 23.9|151.4 0.0 151.4 302.9 0.92| 30.5 27.9 1000 230 30 184 19| 4.8 11.9 16.7|220.2 -14.2 206.0 206.0 0.84| 22.4 18.7 1500 231 33 190 20| 3.2 7.3 10.5|220.2 -43.8 176.3 117.6 0.65| 16.7 10.8 2000 231 33 190 20| 2.3 5.5 7.8|220.2 -48.2 172.0 86.0 0.59| 13.5 7.9 2500 232 32 190 20| 2.1 4.4 6.5|220.2 -54.3 165.9 66.4 0.52| 11.6 6.1 3000 233 31 189 19| 2.0 3.7 5.7|220.2 -61.4 158.8 52.9 0.46| 10.3 4.7 4000 235 30 188 17| 1.7 2.7 4.5|227.1 -61.4 165.7 41.4 0.47| 8.0 3.8 5000 237 29 190 16| 1.6 2.2 3.8|234.1 -61.4 172.7 34.5 0.49| 6.7 3.3 6000 239 29 192 15| 1.5 1.8 3.3|242.7 -61.4 181.3 30.2 0.51| 5.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//ETWM/skewt/ETWM.skewt.20251218.08.gif