UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 1 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 206 SFC 990 287 1.8 -1.4 79 3.2 0.5 265 3 275.7 276.3 274.2 285.3 3.48 2 925 830 -2.7 -4.8 85 2.1 -3.5 285 21 276.5 277.0 273.8 284.6 2.89 3 894 1100 -4.5 -6.2 88 1.7 -5.1 295 23 277.4 277.9 273.9 284.9 2.69 4 869 1325 -4.9 -6.3 90 1.4 -5.4 303 24 279.2 279.7 275.0 287.0 2.74 5 860 1407 -2.9 -4.3 90 1.4 -3.4 307 24 282.2 282.7 277.3 291.3 3.23 6 850 1500 -3.1 -4.6 89 1.5 -3.7 310 25 282.9 283.4 277.6 292.0 3.19 7 818 1802 -4.7 -7.1 83 2.4 -5.5 301 23 284.3 284.8 277.7 292.2 2.74 8 806 1918 -5.3 -8.3 79 3.0 -6.4 298 23 284.9 285.3 277.7 292.2 2.53 9 761 2369 -4.7 -18.7 33 14.0 -8.5 284 20 290.3 290.5 278.5 293.8 1.15 10 753 2452 -5.3 -20.3 30 15.0 -9.2 282 20 290.5 290.7 278.4 293.6 1.01 11 727 2727 -6.9 -13.9 57 7.0 -9.1 274 19 291.7 292.0 280.0 297.1 1.79 12 700 3021 -8.7 -18.7 44 10.0 -11.3 265 17 292.9 293.1 279.8 296.7 1.25 13 643 3673 -12.5 -20.5 51 8.0 -14.5 289 17 295.7 295.9 281.1 299.4 1.16 14 601 4185 -16.5 -23.5 55 7.0 -18.0 308 17 296.9 297.1 281.3 299.9 0.96 15 563 4672 -19.9 -32.9 30 13.0 -21.8 326 17 298.5 298.5 281.3 299.9 0.43 16 500 5540 -26.3 -34.3 47 8.0 -27.3 360 17 301.0 301.0 282.3 302.4 0.42 17 492 5656 -27.1 -35.1 47 8.0 -28.0 2 17 301.4 301.5 282.5 302.7 0.39 18 420 6774 -36.7 -41.7 60 5.0 -37.1 20 20 303.0 303.1 283.0 303.9 0.23 19 400 7110 -39.7 -44.4 61 4.7 -40.0 25 21 303.4 303.4 283.0 304.0 0.18 20 330 8394 -50.5 -54.9 60 4.4 -50.6 18 29 305.7 305.7 283.8 306.0 0.07 21 300 9010 -53.7 -58.4 56 4.7 -53.8 15 33 309.7 309.7 285.2 309.8 0.05 22 259 9943 -58.9 -63.6 54 4.7 -59.0 315.3 315.3 287.2 315.4 0.03 TRP WND Sounding variables and indices 1000-500 mb thick: 5334.00 m Freezing level: 964.00 mb = 504.21 m = 1654.22 ft Wetbulb zero: 981.97 mb = 352.13 m = 1155.26 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 57.92 % Est. max temperature: 9.38 C = 48.88 F Sfc-Lift cond lev (LCL): 941.93 mb = 684.96 m = 2247.22 ft T: -1.50 C 700-500 lapse rate: 6.99 C/km ThetaE index: 0.72 C Layer 925.0- 894.0 mb Conv cond level (CCL): 718.35 mb = 2819.98 m = 9251.79 ft Mean mixing ratio: 3.04 g/kg Conv temperature: 18.05 C = 64.49 F Cap Strength: 12.72 C Lifted Index: 13.82 C Risk: None Lifted Index @300 mb: 17.59 C Lifted Index @700 mb: 10.44 C Showalter Index: 8.46 C Risk: None Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.20 C Cross Totals Index: 21.70 C K Index: 8.60 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.33 J/kg Max Up Vert Vel: 3.56 m/s Conv Inhibition (B-): 4515.72 J/kg Cap Strength: 13.72 C Lift Cond Lev (LCL): 905.11 mb = 1002.45 m = 3288.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 14 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 ---------------------------------------------------------- 0 990 287 265 3 3.0 0.3 | 171 13 -2.0 13.1 1 925 830 285 21 20.3 -5.4 | 244 17 15.3 7.4 2 850 1500 310 25 19.2 -16.1 | 283 15 14.1 -3.3 3 700 3021 265 17 16.9 1.5 | 220 19 11.9 14.3 4 500 5540 360 17 -0.0 -17.0 | 50 7 -5.0 -4.2 5 400 7110 25 21 -8.9 -19.0 | 66 15 -13.9 -6.2 6 300 9010 15 33 -8.5 -31.9 | 35 23 -13.5 -19.1 Wind Parameters Mean winds (0-6000m): 308.6 at 18.3 knts Storm direction: 338.6 at 13.7 knts Shear (0-3000m) pos: 3.6 neg: 2.1 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 55.3 deg Storm rel helicity (0-3000m) pos: 116.5 neg: -74.4 tot: 42.0 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.51 Bulk Shear: 12.29 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 ------------------------------------------------------------------------------- 500 282 11 210 12| 17.2 0.0 17.2| 60.5 0.0 60.5 120.9 0.97| 17.6 17.0 1000 290 17 236 13| 11.0 0.0 11.0| 95.6 0.0 95.6 95.6 0.97| 13.2 12.8 1500 297 19 251 13| 7.3 0.1 7.5|108.6 -14.2 94.4 63.0 0.75| 11.2 8.4 2000 296 20 253 13| 5.5 1.7 7.2|108.6 -39.7 69.0 34.5 0.47| 10.0 4.7 2500 294 20 250 14| 4.4 2.5 6.9|108.6 -64.6 44.0 17.6 0.29| 9.2 2.7 3000 291 20 246 14| 3.6 2.1 5.7|116.5 -74.4 42.0 14.0 0.25| 8.5 2.2 4000 292 19 245 14| 3.4 1.6 5.0|138.4 -74.4 63.9 16.0 0.32| 7.8 2.5 5000 298 18 250 12| 3.0 1.2 4.2|149.0 -74.4 74.6 14.9 0.40| 7.4 3.0 6000 309 18 262 9| 2.7 1.0 3.7|154.4 -74.4 80.0 13.3 0.40| 6.8 2.7 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20251201.12.gif