UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 4 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 150 SFC 983 287 0.0 -4.0 74 4.0 -1.5 285 7 274.5 275.0 272.6 282.4 2.89 2 925 770 -4.7 -8.2 76 3.5 -5.8 285 29 274.5 274.9 271.5 280.7 2.22 3 884 1125 -7.1 -9.1 86 2.0 -7.7 298 34 275.6 276.0 272.1 281.7 2.17 4 870 1250 -3.5 -5.0 89 1.5 -4.1 303 36 280.6 281.1 276.2 289.1 3.03 5 850 1434 -3.7 -4.9 91 1.2 -4.1 310 38 282.3 282.8 277.2 291.1 3.12 6 786 2052 -4.1 -6.7 82 2.6 -5.1 312 39 288.2 288.7 279.9 296.8 2.94 7 700 2957 -9.9 -12.9 79 3.0 -10.8 315 40 291.5 291.9 280.3 297.6 2.02 8 646 3572 -13.1 -15.6 81 2.5 -13.8 314 44 294.7 295.0 281.4 300.0 1.76 9 644 3596 -13.3 -16.0 80 2.7 -14.0 314 44 294.7 295.0 281.3 299.9 1.70 10 599 4147 -14.1 -30.1 24 16.0 -17.1 313 48 299.9 300.0 282.0 301.7 0.52 11 596 4185 -14.5 -32.5 20 18.0 -17.6 313 49 299.9 300.0 281.9 301.3 0.42 12 574 4468 -17.1 -25.1 50 8.0 -18.7 312 51 300.1 300.3 282.5 302.9 0.87 13 502 5461 -23.7 -29.7 58 6.0 -24.6 310 58 303.8 303.9 283.8 306.0 0.65 14 500 5490 -23.7 -29.7 58 6.0 -24.6 310 58 304.1 304.3 283.9 306.3 0.65 15 472 5909 -26.3 -35.3 42 9.0 -27.5 310 59 306.0 306.0 284.3 307.4 0.40 16 451 6238 -26.7 -36.7 38 10.0 -27.9 310 59 309.5 309.6 285.6 310.8 0.37 17 410 6917 -33.5 -45.5 29 12.0 -34.4 310 60 309.3 309.3 285.2 309.8 0.16 18 400 7090 -34.9 -46.9 28 12.0 -35.7 310 60 309.6 309.7 285.4 310.1 0.14 19 377 7497 -39.1 -50.1 30 11.0 -39.6 310 62 309.4 309.4 285.2 309.8 0.10 20 356 7884 -42.1 -51.1 37 9.0 -42.5 310 64 310.4 310.5 285.6 310.8 0.10 21 350 7998 -44.7 -53.7 36 9.0 -45.0 310 65 308.5 308.5 284.8 308.7 0.07 22 323 8528 -47.5 -54.5 44 7.0 -47.7 310 68 311.7 311.8 286.1 312.0 0.07 23 300 9010 -50.5 -57.5 43 7.0 -50.7 310 71 314.2 314.2 286.9 314.4 0.05 24 266 9787 -55.9 -61.9 47 6.0 -56.0 310 74 317.3 317.3 287.9 317.4 0.03 25 262 9884 -57.1 -63.1 46 6.0 -57.2 310 74 316.9 316.9 287.8 317.0 0.03 26 250 10180 -59.1 -65.1 46 6.0 -59.2 310 75 318.2 318.2 288.2 318.3 0.02 27 238 10487 -60.5 -66.5 45 6.0 -60.6 317 76 320.6 320.6 288.9 320.7 0.02 28 234 10592 -61.3 -67.3 45 6.0 -61.3 320 77 321.0 321.0 289.0 321.1 0.02 29 205 11401 -67.3 -73.3 42 6.0 -67.3 316 75 323.9 323.9 289.9 323.9 0.01 30 200 11550 -67.7 -73.7 42 6.0 -67.7 315 75 325.5 325.5 290.5 325.6 0.01 31 178 12244 -69.9 -75.9 41 6.0 -69.9 315 69 333.0 333.0 292.5 333.0 0.01 32 171 12484 -66.7 -72.7 42 6.0 -66.7 315 67 342.1 342.1 294.8 342.2 0.01 33 165 12699 -67.1 -73.1 42 6.0 -67.1 315 65 345.0 345.0 295.5 345.0 0.01 34 159 12923 -63.9 -69.9 44 6.0 -64.0 315 63 354.1 354.1 297.5 354.1 0.02 35 150 13280 -63.1 -69.1 44 6.0 -63.2 315 60 361.4 361.4 299.0 361.5 0.02 36 149 13321 -63.5 -69.5 44 6.0 -63.6 361.4 361.4 299.0 361.5 0.02 TRP WND 234 10592 -61.3 -67.3 45 6.0 -61.3 320 77 321.0 321.0 289.0 321.1 0.02 Sounding variables and indices 1000-500 mb thick: 5340.00 m Freezing level: 983.00 mb = 287.28 m = 942.51 ft Wetbulb zero: Below ground Precipitable water: 0.41 inches Sfc-500 mean rel hum: 69.81 % Est. max temperature: 9.26 C = 48.67 F Sfc-Lift cond lev (LCL): 923.44 mb = 783.24 m = 2569.66 ft T: -4.79 C 700-500 lapse rate: 5.45 C/km ThetaE index: 1.74 C Layer 925.0- 884.0 mb Conv cond level (CCL): 677.43 mb = 3208.25 m = 10525.63 ft Mean mixing ratio: 2.40 g/kg Conv temperature: 18.23 C = 64.81 F Cap Strength: 18.88 C Lifted Index: 19.11 C Risk: None Lifted Index @300 mb: 23.25 C Lifted Index @700 mb: 11.70 C Showalter Index: 11.67 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 18.80 C K Index: 12.10 Risk: None Sweat Index: 134.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.26 J/kg Max Up Vert Vel: 2.92 m/s Conv Inhibition (B-): 10738.20 J/kg Cap Strength: 18.78 C Lift Cond Lev (LCL): 885.22 mb = 1114.20 m = 3655.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 340 at 33 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 ---------------------------------------------------------- 0 983 287 285 7 6.8 -1.8 | 171 29 -4.5 29.0 1 925 770 285 29 28.0 -7.5 | 216 29 16.8 23.3 2 850 1434 310 38 29.1 -24.4 | 250 19 17.8 6.4 3 700 2957 315 40 28.3 -28.3 | 262 17 17.0 2.5 4 500 5490 310 58 44.4 -37.3 | 281 34 33.2 -6.5 5 400 7090 310 60 46.0 -38.6 | 283 36 34.7 -7.8 6 300 9010 310 71 54.4 -45.6 | 289 46 43.1 -14.9 7 250 10180 310 75 57.5 -48.2 | 291 49 46.2 -17.4 8 234 10592 320 77 49.5 -59.0 | 306 48 38.2 -28.2 9 200 11550 315 75 53.0 -53.0 | 298 47 41.8 -22.3 10 150 13280 315 60 42.4 -42.4 | 290 33 31.2 -11.6 Wind Parameters Mean winds (0-6000m): 309.9 at 43.7 knts Storm direction: 339.9 at 32.8 knts Shear (0-3000m) pos: 5.8 neg: 0.4 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 95.3 deg Storm rel helicity (0-3000m) pos: 268.7 neg: 0.0 tot: 268.7 m^2/s^2 ave: 89.6 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 7.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 104.59 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 ------------------------------------------------------------------------------- 500 285 18 194 27| 22.9 0.0 22.9|158.3 0.0 158.3 316.6 0.98| 22.9 22.4 1000 292 26 210 25| 15.2 0.0 15.2|226.3 0.0 226.3 226.3 0.92| 18.0 16.5 1500 300 30 222 22| 11.1 0.0 11.1|248.5 0.0 248.5 165.6 0.91| 13.7 12.5 2000 303 32 229 20| 8.5 0.0 8.5|254.0 0.0 254.0 127.0 0.91| 10.6 9.7 2500 306 33 235 19| 7.0 0.0 7.0|259.5 0.0 259.5 103.8 0.91| 8.8 8.0 3000 308 35 239 19| 5.8 0.4 6.2|268.7 0.0 268.7 89.6 0.90| 7.8 7.0 4000 309 37 248 19| 4.4 1.3 5.6|289.2 0.0 289.2 72.3 0.84| 6.8 5.7 5000 310 41 257 21| 3.5 1.8 5.2|306.9 0.0 306.9 61.4 0.78| 6.2 4.8 6000 310 44 263 22| 2.9 1.7 4.6|314.4 0.0 314.4 52.4 0.76| 5.4 4.1 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20251204.12.gif