UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U2845... Searching the city database file for: U2845 ... Date:0000Z 9 DEC 25 Station: U2845 WMO ident: 22845 Latitude: 61.50 Longitude: 38.93 ------------------------------------------------------------------------------- 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 1002 124 -5.3 -6.9 88 1.6 -5.8 160 3 267.7 268.1 267.3 273.8 2.27 1 1000 140 -5.3 -7.3 86 2.0 -5.9 160 3 267.9 268.2 267.3 273.8 2.20 2 961 451 -7.1 -9.8 81 2.7 -7.9 175 19 269.1 269.4 267.5 274.3 1.89 3 935 666 -6.7 -9.1 83 2.4 -7.4 186 31 271.6 272.0 269.5 277.3 2.05 4 925 750 -4.9 -7.2 84 2.3 -5.7 190 35 274.3 274.7 271.7 281.0 2.40 5 919 801 -4.7 -6.8 85 2.1 -5.4 193 34 275.0 275.4 272.3 281.9 2.49 6 850 1412 -7.7 -10.2 82 2.5 -8.5 225 27 278.1 278.4 273.4 283.9 2.07 7 821 1682 -8.9 -11.4 82 2.5 -9.6 229 27 279.6 279.9 274.1 285.2 1.94 8 775 2131 -6.5 -8.4 86 1.9 -7.2 237 27 286.8 287.3 278.8 294.4 2.61 9 700 2921 -10.3 -12.9 81 2.6 -11.1 250 27 291.1 291.4 280.1 297.1 2.02 10 624 3795 -15.9 -18.6 80 2.7 -16.6 248 28 294.4 294.6 280.8 298.8 1.41 11 621 3831 -16.5 -19.2 80 2.7 -17.1 248 28 294.1 294.4 280.6 298.3 1.35 12 500 5420 -28.5 -35.5 51 7.0 -29.3 245 29 298.3 298.4 281.1 299.5 0.37 13 430 6482 -36.9 -44.9 43 8.0 -37.4 248 29 300.7 300.8 281.9 301.3 0.16 14 400 6980 -39.7 -48.7 38 9.0 -40.2 250 29 303.4 303.4 282.9 303.8 0.11 15 393 7100 -40.9 -49.9 37 9.0 -41.3 251 30 303.4 303.4 282.9 303.7 0.10 16 358 7729 -45.5 -53.5 40 8.0 -45.8 258 35 305.4 305.4 283.7 305.7 0.07 17 338 8113 -44.5 -52.5 41 8.0 -44.8 262 38 311.8 311.8 286.1 312.1 0.09 18 300 8900 -51.1 -57.1 49 6.0 -51.2 270 44 313.3 313.3 286.6 313.5 0.06 19 287 9186 -53.7 -59.7 48 6.0 -53.8 268 45 313.6 313.6 286.6 313.8 0.04 20 250 10060 -59.9 -65.9 45 6.0 -60.0 260 48 317.0 317.0 287.8 317.1 0.02 21 220 10850 -64.9 -69.9 50 5.0 -65.0 263 47 321.1 321.1 289.1 321.2 0.01 22 200 11430 -66.1 -72.1 43 6.0 -66.1 265 46 328.1 328.1 291.2 328.1 0.01 23 195 11584 -66.7 -72.7 42 6.0 -66.7 270 44 329.5 329.5 291.6 329.6 0.01 24 150 13180 -65.3 -70.3 50 5.0 -65.4 285 38 357.6 357.6 298.2 357.7 0.02 25 144 13428 -64.9 -69.9 50 5.0 -65.0 286 38 362.5 362.5 299.2 362.6 0.02 26 100 15630 -68.1 -74.1 42 6.0 -68.2 295 36 396.2 396.2 304.7 396.2 0.02 27 70 17760 -70.7 -76.7 41 6.0 -70.8 305 42 433.1 433.1 309.1 433.2 0.02 28 50 19730 -73.5 -79.5 39 6.0 -73.6 295 44 470.3 470.3 312.7 470.4 0.01 29 48 19968 -74.1 -80.1 39 6.0 -74.2 474.4 474.4 313.0 474.5 0.01 TRP 195 11584 -66.7 -72.7 42 6.0 -66.7 270 44 329.5 329.5 291.6 329.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5280.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.38 inches Sfc-500 mean rel hum: 77.30 % Est. max temperature: 5.00 C = 40.99 F Sfc-Lift cond lev (LCL): 976.79 mb = 323.86 m = 1062.51 ft T: -6.36 C 700-500 lapse rate: 7.28 C/km ThetaE index: 0.01 C Layer 1000.0- 961.0 mb Conv cond level (CCL): 664.38 mb = 3318.21 m = 10886.38 ft Mean mixing ratio: 2.14 g/kg Conv temperature: 19.61 C = 67.30 F Cap Strength: 16.37 C Lifted Index: 17.89 C Risk: None Lifted Index @300 mb: 25.81 C Lifted Index @700 mb: 14.70 C Showalter Index: 12.32 C Risk: None Total Totals Index: 39.10 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 18.30 C K Index: 8.00 Risk: None Sweat Index: 150.75 Risk: None Energy Index: 3.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.04 J/kg Max Up Vert Vel: 8.49 m/s Conv Inhibition (B-): 29406.91 J/kg Cap Strength: 17.76 C Lift Cond Lev (LCL): 916.26 mb = 824.56 m = 2705.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 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 1002 124 160 3 -1.0 2.8 | 94 21 -21.4 1.5 1 1000 140 160 3 -1.0 2.8 | 94 21 -21.4 1.5 2 925 750 190 35 6.1 34.5 | 157 36 -14.3 33.1 3 850 1412 225 27 19.1 19.1 | 176 18 -1.3 17.8 4 700 2921 250 27 25.4 9.2 | 212 9 5.0 7.9 5 500 5420 245 29 26.3 12.3 | 208 12 5.9 10.9 6 400 6980 250 29 27.3 9.9 | 219 11 6.9 8.6 7 300 8900 270 44 44.0 -0.0 | 273 24 23.6 -1.3 8 250 10060 260 48 47.3 8.3 | 255 28 26.9 7.0 9 200 11430 265 46 45.8 4.0 | 264 26 25.4 2.7 10 195 11584 270 44 44.0 -0.0 | 273 24 23.6 -1.3 11 150 13180 285 38 36.7 -9.8 | 304 20 16.3 -11.2 12 100 15630 295 36 32.6 -15.2 | 324 21 12.2 -16.5 13 70 17760 305 42 34.4 -24.1 | 331 29 14.0 -25.4 14 50 19730 295 44 39.9 -18.6 | 316 28 19.5 -19.9 Wind Parameters Mean winds (0-6000m): 236.3 at 27.2 knts Storm direction: 266.3 at 20.4 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 117.9 deg Storm rel helicity (0-3000m) pos: 325.0 neg: -0.1 tot: 324.9 m^2/s^2 ave: 108.3 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 8.2 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.55 Bulk Shear: 65.61 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 ------------------------------------------------------------------------------- 500 181 15 125 24| 26.4 0.0 26.4|168.7 0.0 168.7 337.5 0.90| 27.2 24.6 1000 193 24 146 26| 14.7 0.0 14.7|279.3 0.0 279.3 279.3 0.81| 23.2 18.9 1500 203 25 154 24| 8.9 0.0 8.9|301.2 0.0 301.2 200.8 0.74| 18.9 14.0 2000 211 26 161 22| 6.8 0.0 6.8|311.5 0.0 311.5 155.7 0.73| 15.2 11.1 2500 217 26 166 20| 5.5 0.0 5.5|320.3 0.0 320.3 128.1 0.73| 12.9 9.5 3000 223 26 171 18| 4.7 0.0 4.7|325.0 -0.1 324.9 108.3 0.73| 11.2 8.2 4000 230 26 179 16| 3.5 0.2 3.7|325.0 -0.9 324.1 81.0 0.71| 8.6 6.1 5000 234 27 185 15| 2.8 0.3 3.1|325.0 -1.8 323.2 64.6 0.69| 7.0 4.8 6000 236 27 189 14| 2.4 0.2 2.6|328.0 -2.1 325.8 54.3 0.69| 6.0 4.1 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20251209.00.gif