UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 8 DEC 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 208 180 7 SFC 996 240 0.2 -2.1 84 2.3 -0.7 180 7 273.7 274.2 272.6 282.6 3.28 2 977 394 -2.3 -4.6 84 2.3 -3.1 184 10 272.7 273.1 271.3 280.2 2.78 3 925 827 -4.9 -6.9 86 2.0 -5.5 195 19 274.3 274.7 271.8 281.1 2.46 4 903 1016 -6.1 -8.3 84 2.2 -6.8 202 18 275.0 275.3 271.9 281.3 2.26 5 891 1121 -3.5 -5.9 83 2.4 -4.4 206 18 278.7 279.2 274.8 286.4 2.76 6 867 1337 -3.9 -11.9 54 8.0 -6.4 214 17 280.5 280.8 274.3 285.6 1.77 7 850 1494 -2.5 -13.5 43 11.0 -5.8 220 17 283.5 283.8 275.7 288.2 1.58 8 848 1513 -2.3 -13.3 43 11.0 -5.7 220 17 283.9 284.2 276.0 288.7 1.61 9 834 1645 -0.7 -12.7 40 12.0 -4.6 219 18 287.0 287.3 277.7 292.1 1.72 10 732 2678 -4.5 -30.5 11 26.0 -9.9 212 28 293.7 293.8 279.1 295.1 0.41 11 710 2917 -6.1 -33.1 10 27.0 -11.2 211 30 294.5 294.6 279.4 295.6 0.33 12 700 3028 -6.7 -33.7 10 27.0 -11.7 210 31 295.1 295.1 279.6 296.1 0.32 13 642 3697 -10.3 -29.3 19 19.0 -14.1 213 32 298.4 298.5 281.4 300.1 0.53 14 586 4390 -16.7 -27.7 38 11.0 -18.8 215 32 298.8 298.9 281.7 301.0 0.67 15 500 5560 -25.7 -33.7 47 8.0 -26.8 220 33 301.7 301.8 282.7 303.2 0.44 16 452 6289 -30.9 -35.6 63 4.7 -31.4 227 39 304.0 304.1 283.5 305.4 0.41 17 400 7150 -37.1 -41.8 62 4.7 -37.5 235 46 306.8 306.8 284.4 307.6 0.24 18 340 8252 -45.5 -50.0 60 4.5 -45.7 235 47 309.9 310.0 285.4 310.4 0.12 19 300 9070 -53.5 -58.5 54 5.0 -53.6 235 48 309.9 309.9 285.4 310.1 0.05 20 287 9353 -56.7 -62.7 47 6.0 -56.8 236 47 309.3 309.3 285.1 309.4 0.03 21 254 10121 -59.5 -65.5 46 6.0 -59.6 240 43 316.2 316.2 287.5 316.3 0.02 22 250 10220 -60.7 -66.7 45 6.0 -60.7 240 42 315.8 315.8 287.4 315.9 0.02 23 234 10626 -64.7 -70.7 43 6.0 -64.7 245 40 315.8 315.8 287.3 315.8 0.01 24 200 11580 -64.9 -71.9 37 7.0 -65.0 255 35 330.0 330.0 291.7 330.0 0.01 25 150 13340 -65.5 -73.5 32 8.0 -65.5 290 21 357.2 357.3 298.2 357.3 0.01 26 108 15327 -67.3 -75.3 31 8.0 -67.4 302 23 389.0 389.0 303.6 389.1 0.01 27 100 15790 -67.7 -75.7 31 8.0 -67.8 305 23 396.9 396.9 304.8 397.0 0.01 28 70 17930 -69.7 -78.7 26 9.0 -69.8 300 38 435.3 435.3 309.4 435.3 0.01 29 50 19930 -69.7 -78.7 26 9.0 -69.8 295 48 479.2 479.2 313.4 479.3 0.02 30 48 20173 -69.1 -79.1 22 10.0 -69.2 295 49 486.3 486.3 314.0 486.4 0.02 31 31 22749 -74.7 -84.7 20 10.0 -74.8 295 61 535.9 535.9 317.3 536.0 0.01 32 30 22940 -73.9 -83.9 20 10.0 -74.0 295 62 543.2 543.2 317.7 543.2 0.01 33 28 23343 -72.7 -82.7 21 10.0 -72.9 294 66 557.3 557.3 318.5 557.4 0.02 34 20 25310 -73.9 -83.9 20 10.0 -74.1 290 83 610.0 610.0 321.0 610.1 0.02 35 17 26262 -72.6 -83.4 18 10.8 -72.9 290 91 643.1 643.1 322.4 643.3 0.02 36 13 27846 -70.5 -82.5 15 12.0 -70.9 701.7 701.7 324.5 702.0 0.03 TRP 234 10626 -64.7 -70.7 43 6.0 -64.7 245 40 315.8 315.8 287.3 315.8 0.01 WND 17 26262 -72.6 -83.4 18 10.8 -72.9 290 91 643.1 643.1 322.4 643.3 0.02 Sounding variables and indices 1000-500 mb thick: 5352.00 m Freezing level: 994.48 mb = 252.49 m = 828.36 ft Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 39.84 % Est. max temperature: 10.88 C = 51.59 F Sfc-Lift cond lev (LCL): 960.81 mb = 526.36 m = 1726.87 ft T: -3.09 C 700-500 lapse rate: 7.50 C/km ThetaE index: 2.37 C Layer 977.0- 925.0 mb Conv cond level (CCL): 636.59 mb = 3761.66 m = 12341.24 ft Mean mixing ratio: 2.62 g/kg Conv temperature: 24.92 C = 76.86 F Cap Strength: 16.93 C Lifted Index: 17.35 C Risk: None Lifted Index @300 mb: 20.48 C Lifted Index @700 mb: 15.14 C Showalter Index: 11.90 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 12.20 C K Index: -17.30 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 3.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.10 J/kg Max Up Vert Vel: 4.50 m/s Conv Inhibition (B-): 56275.27 J/kg Cap Strength: 17.33 C Lift Cond Lev (LCL): 913.47 mb = 925.46 m = 3036.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 244 at 20 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 ---------------------------------------------------------- 0 996 240 180 7 0.0 7.0 | 84 18 -18.3 -1.8 1 925 827 195 19 4.9 18.4 | 125 16 -13.4 9.6 2 850 1494 220 17 10.9 13.0 | 120 9 -7.4 4.2 3 700 3028 210 31 15.5 26.8 | 171 18 -2.8 18.1 4 500 5560 220 33 21.2 25.3 | 190 17 2.9 16.5 5 400 7150 235 46 37.7 26.4 | 228 26 19.3 17.6 6 300 9070 235 48 39.3 27.5 | 228 28 21.0 18.7 7 250 10220 240 42 36.4 21.0 | 236 22 18.0 12.2 8 234 10626 245 40 36.3 16.9 | 246 20 17.9 8.1 9 200 11580 255 35 33.8 9.1 | 269 15 15.5 0.3 10 150 13340 290 21 19.7 -7.2 | 355 16 1.4 -16.0 11 100 15790 305 23 18.8 -13.2 | 359 22 0.5 -22.0 12 70 17930 300 38 32.9 -19.0 | 332 31 14.6 -27.8 13 50 19930 295 48 43.5 -20.3 | 319 38 25.2 -29.1 14 30 22940 295 62 56.2 -26.2 | 313 52 37.9 -35.0 15 20 25310 290 83 78.0 -28.4 | 302 70 59.7 -37.2 Wind Parameters Mean winds (0-6000m): 214.4 at 27.1 knts Storm direction: 244.4 at 20.3 knts Shear (0-3000m) pos: 2.5 neg: 2.1 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 88.1 deg Storm rel helicity (0-3000m) pos: 87.4 neg: -2.4 tot: 85.0 m^2/s^2 ave: 28.3 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.27 Bulk Shear: 37.54 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 ------------------------------------------------------------------------------- 500 190 12 101 17| 10.8 0.0 10.8| 47.8 0.0 47.8 95.5 0.98| 10.9 10.7 1000 197 15 112 15| 6.3 0.0 6.3| 56.6 -0.7 55.9 55.9 0.70| 9.0 6.3 1500 204 16 116 13| 4.9 0.0 4.9| 61.3 -2.4 58.8 39.2 0.61| 7.6 4.7 2000 208 17 123 12| 3.7 1.2 4.9| 71.5 -2.4 69.1 34.5 0.65| 7.0 4.5 2500 209 19 131 12| 3.0 2.0 4.9| 80.7 -2.4 78.2 31.3 0.63| 6.5 4.1 3000 209 21 140 12| 2.5 2.1 4.6| 87.4 -2.4 85.0 28.3 0.61| 6.0 3.7 4000 210 24 151 13| 2.1 1.6 3.7| 97.8 -2.4 95.4 23.8 0.63| 4.8 3.1 5000 212 25 159 14| 1.8 1.3 3.1|108.3 -2.4 105.8 21.2 0.65| 4.1 2.7 6000 214 27 167 14| 2.2 1.1 3.2|140.3 -2.4 137.9 23.0 0.69| 4.1 2.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251208.12.gif