UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 6 DEC 25 Station: U8445 WMO ident: 28445 Latitude: 56.73 Longitude: 61.07 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 200 SFC 989 288 -0.9 -2.5 89 1.6 -1.5 270 1 273.1 273.6 272.2 281.8 3.21 2 927 801 -5.1 -7.4 84 2.3 -5.8 294 16 273.9 274.3 271.4 280.5 2.36 3 925 818 -5.1 -7.3 85 2.2 -5.8 295 17 274.1 274.5 271.5 280.7 2.38 4 850 1479 -7.5 -9.0 89 1.5 -8.0 315 23 278.3 278.7 273.8 284.7 2.27 5 771 2235 -9.9 -11.9 85 2.0 -10.5 305 22 283.6 283.9 276.3 289.4 1.99 6 700 2973 -14.7 -18.7 72 4.0 -15.6 295 21 286.2 286.4 276.6 290.0 1.25 7 684 3148 -15.9 -19.7 73 3.8 -16.7 294 22 286.8 287.0 276.8 290.3 1.17 8 640 3647 -17.7 -27.7 41 10.0 -19.4 290 27 290.2 290.3 277.7 292.2 0.61 9 500 5450 -30.3 -34.0 70 3.7 -30.7 275 42 296.1 296.2 280.3 297.5 0.43 10 400 7000 -42.1 -45.8 67 3.7 -42.3 275 50 300.3 300.3 281.7 300.8 0.16 11 300 8880 -55.5 -59.0 65 3.5 -55.6 275 58 307.1 307.1 284.3 307.3 0.04 12 250 10020 -61.7 -65.0 65 3.3 -61.7 275 62 314.3 314.3 286.9 314.4 0.02 13 200 11400 -61.9 -65.3 64 3.4 -61.9 280 48 334.7 334.7 293.0 334.9 0.03 14 150 13190 -59.5 -63.6 59 4.1 -59.6 290 44 367.6 367.6 300.2 367.8 0.05 15 90 16357 -63.5 -69.5 44 6.0 -63.6 417.4 417.4 307.4 417.6 0.04 TRP WND Sounding variables and indices 1000-500 mb thick: 5250.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 70.92 % Est. max temperature: 4.96 C = 40.93 F Sfc-Lift cond lev (LCL): 964.43 mb = 487.55 m = 1599.55 ft T: -2.53 C 700-500 lapse rate: 6.30 C/km ThetaE index: 1.39 C Layer 927.0- 925.0 mb Conv cond level (CCL): 866.41 mb = 1329.56 m = 4362.01 ft Mean mixing ratio: 2.62 g/kg Conv temperature: 3.31 C = 37.96 F Cap Strength: 9.53 C Lifted Index: 12.57 C Risk: None Lifted Index @300 mb: 18.31 C Lifted Index @700 mb: 6.96 C Showalter Index: 9.93 C Risk: None Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.80 C Cross Totals Index: 21.30 C K Index: 9.80 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 2.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.97 J/kg Max Up Vert Vel: 4.68 m/s Conv Inhibition (B-): 18582.84 J/kg Cap Strength: 12.59 C Lift Cond Lev (LCL): 910.15 mb = 944.47 m = 3098.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 21 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 ---------------------------------------------------------- 0 989 288 270 1 1.0 -0.0 | 139 20 -13.3 15.3 1 925 818 295 17 15.4 -7.2 | 188 8 1.1 8.1 2 850 1479 315 23 16.3 -16.3 | 297 2 1.9 -1.0 3 700 2973 295 21 19.0 -8.9 | 216 8 4.7 6.4 4 500 5450 275 42 41.8 -3.7 | 247 30 27.5 11.6 5 400 7000 275 50 49.8 -4.4 | 253 37 35.5 10.9 6 300 8880 275 58 57.8 -5.1 | 257 45 43.5 10.2 7 250 10020 275 62 61.8 -5.4 | 258 48 47.4 9.8 8 200 11400 280 48 47.3 -8.3 | 258 34 33.0 6.9 9 150 13190 290 44 41.3 -15.0 | 270 27 27.0 0.2 Wind Parameters Mean winds (0-6000m): 286.8 at 27.9 knts Storm direction: 316.8 at 20.9 knts Shear (0-3000m) pos: 3.7 neg: 1.3 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 91.7 deg Storm rel helicity (0-3000m) pos: 53.3 neg: -5.3 tot: 48.0 m^2/s^2 ave: 16.0 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 50.02 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 ------------------------------------------------------------------------------- 500 294 9 151 14| 15.6 0.0 15.6| 40.8 0.0 40.8 81.6 0.68| 16.1 10.9 1000 300 14 164 9| 10.5 0.0 10.5| 47.0 0.0 47.0 47.0 0.65| 11.8 7.6 1500 306 17 172 6| 7.5 0.0 7.5| 48.5 -1.0 47.6 31.7 0.58| 9.4 5.5 2000 306 18 183 5| 5.6 0.7 6.3| 48.5 -2.7 45.9 22.9 0.47| 7.8 3.7 2500 305 19 193 5| 4.5 1.1 5.6| 48.5 -4.7 43.8 17.5 0.39| 6.7 2.7 3000 303 19 201 5| 3.7 1.3 5.0| 53.3 -5.3 48.0 16.0 0.40| 6.2 2.5 4000 298 21 222 7| 2.8 2.0 4.8| 65.4 -5.3 60.1 15.0 0.40| 5.9 2.3 5000 292 25 234 11| 2.2 2.6 4.9| 67.8 -6.7 61.1 12.2 0.33| 5.7 1.9 6000 287 28 240 14| 1.9 2.7 4.5| 83.2 -7.5 75.7 12.6 0.33| 5.3 1.7 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20251206.12.gif