UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120423.upa.cvt Date: 2300Z 4 DEC 25 Searching for LGTS... Searching the city database file for: LGTS ... Date:2300Z 4 DEC 25 Station: LGTS WMO ident: 16622 Latitude: 40.52 Longitude: 22.97 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1009 4 11.2 10.9 98 0.3 11.0 230 4 283.6 285.0 283.8 306.0 8.13 1 1000 78 12.4 11.2 92 1.2 11.7 215 5 285.5 287.0 284.8 308.8 8.37 2 974 298 10.6 10.1 97 0.5 10.3 191 6 285.9 287.3 284.6 308.1 7.99 3 945 551 11.2 8.3 82 2.9 9.6 164 8 289.0 290.3 285.1 309.6 7.28 4 925 729 10.2 7.6 84 2.6 8.8 145 9 289.7 291.0 285.2 309.8 7.09 5 906 902 9.2 7.0 86 2.2 8.0 151 9 290.4 291.7 285.4 310.2 6.95 6 882 1124 8.0 4.1 76 3.9 6.0 159 10 291.4 292.5 284.6 308.2 5.82 7 850 1428 5.8 4.4 91 1.4 5.1 170 11 292.2 293.3 285.3 310.0 6.17 8 800 1922 2.8 2.6 99 0.2 2.7 170 15 294.1 295.2 285.7 310.9 5.77 9 783 2096 1.8 1.6 99 0.2 1.7 170 16 294.9 295.9 285.7 310.9 5.49 10 700 2992 -3.5 -3.9 97 0.4 -3.7 170 23 298.6 299.4 285.7 310.9 4.09 11 648 3596 -7.1 -7.8 95 0.7 -7.4 170 22 301.2 301.8 285.8 311.2 3.28 12 600 4191 -10.9 -12.3 89 1.4 -11.4 170 22 303.5 304.0 285.8 311.2 2.48 13 537 5033 -15.9 -18.2 82 2.3 -16.6 170 21 307.3 307.6 286.3 312.8 1.70 14 536 5047 -12.3 -14.7 82 2.4 -13.1 170 21 311.8 312.2 288.5 319.2 2.28 15 500 5570 -19.7 -22.4 79 2.7 -20.3 170 20 309.0 309.3 286.5 313.2 1.27 16 452 6312 -25.1 -25.9 93 0.8 -25.2 172 23 311.3 311.5 287.0 314.7 1.02 17 400 7190 -31.7 -36.1 65 4.4 -32.2 175 27 313.8 313.9 287.2 315.3 0.44 18 395 7279 -32.3 -36.0 70 3.7 -32.7 174 28 314.1 314.2 287.3 315.7 0.45 19 300 9150 -49.3 -55.3 49 6.0 -49.5 145 39 315.9 315.9 287.5 316.1 0.07 20 274 9738 -54.1 -59.1 54 5.0 -54.2 317.2 317.2 287.9 317.4 0.05 TRP WND Sounding variables and indices 1000-500 mb thick: 5492.00 m Freezing level: 754.81 mb = 2400.24 m = 7874.69 ft Wetbulb zero: 756.53 mb = 2370.90 m = 7778.45 ft Precipitable water: 1.02 inches Sfc-500 mean rel hum: 90.37 % Est. max temperature: 19.60 C = 67.27 F Sfc-Lift cond lev (LCL): 1004.52 mb = 40.76 m = 133.71 ft T: 11.80 C 700-500 lapse rate: 6.28 C/km ThetaE index: 2.04 C Layer 882.0- 850.0 mb Conv cond level (CCL): 881.38 mb = 1129.69 m = 3706.29 ft Mean mixing ratio: 7.63 g/kg Conv temperature: 19.04 C = 66.27 F Cap Strength: 6.61 C Lifted Index: 3.25 C Risk: None Lifted Index @300 mb: 5.06 C Lifted Index @700 mb: 1.11 C Showalter Index: 2.60 C Risk: Showers probable Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 24.10 C K Index: 29.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 106.80 Risk: None Energy Index: 0.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.09 J/kg Max Up Vert Vel: 6.80 m/s Conv Inhibition (B-): 1104.23 J/kg Cap Strength: 6.33 C Lift Cond Lev (LCL): 933.13 mb = 656.04 m = 2152.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 199 at 13 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 1009 4 230 4 3.1 2.6 | 7 10 -1.3 -9.7 1 1000 78 215 5 2.9 4.1 | 10 8 -1.5 -8.2 2 925 729 145 9 -5.2 7.4 | 63 11 -9.5 -4.9 3 850 1428 170 11 -1.9 10.8 | 77 6 -6.2 -1.4 4 700 2992 170 23 -4.0 22.7 | 141 13 -8.3 10.4 5 500 5570 170 20 -3.5 19.7 | 134 11 -7.8 7.4 6 400 7190 175 27 -2.4 26.9 | 155 16 -6.7 14.6 7 300 9150 145 39 -22.4 31.9 | 126 33 -26.7 19.7 Wind Parameters Mean winds (0-6000m): 169.4 at 17.3 knts Storm direction: 199.4 at 13.0 knts Shear (0-3000m) pos: 0.6 neg: 3.4 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 133.9 deg Storm rel helicity (0-3000m) pos: 39.9 neg: 0.0 tot: 39.9 m^2/s^2 ave: 13.3 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.23 Bulk Shear: 18.81 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 ------------------------------------------------------------------------------- 500 191 6 27 7| 0.0 6.8 6.8| 10.4 0.0 10.4 20.8 0.75| 7.4 5.6 1000 164 7 52 8| 0.0 4.9 4.9| 17.1 0.0 17.1 17.1 0.67| 6.3 4.2 1500 164 8 58 8| 1.1 3.3 4.4| 20.6 0.0 20.6 13.8 0.64| 5.4 3.4 2000 166 10 67 7| 0.9 3.3 4.1| 27.1 0.0 27.1 13.6 0.70| 5.0 3.5 2500 168 11 79 7| 0.7 3.3 4.0| 33.6 0.0 33.6 13.4 0.70| 4.8 3.4 3000 168 13 94 7| 0.6 3.4 4.0| 39.9 0.0 39.9 13.3 0.68| 4.7 3.2 4000 169 15 111 8| 0.4 2.4 2.8| 39.9 -2.0 38.0 9.5 0.63| 3.6 2.3 5000 169 17 118 8| 0.3 1.8 2.2| 39.9 -3.9 36.0 7.2 0.59| 3.0 1.8 6000 169 17 123 9| 0.4 1.5 1.9| 44.1 -4.9 39.2 6.5 0.57| 2.7 1.6 Wrote GIF file: /home/apache/climate/data/raob//LGTS/skewt/LGTS.skewt.20251204.23.gif