UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U2845... Searching the city database file for: U2845 ... Date:0000Z 8 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 1016 127 -15.5 -19.1 74 3.6 -16.1 90 3 256.5 256.6 256.1 258.7 0.83 1 1000 247 -16.5 -20.4 72 3.9 -17.1 100 11 256.6 256.8 256.0 258.7 0.75 2 998 262 -16.5 -20.4 72 3.9 -17.1 101 12 256.8 256.9 256.2 258.8 0.76 3 988 338 -15.3 -19.3 71 4.0 -16.0 107 15 258.7 258.9 257.9 261.0 0.84 4 972 463 -8.5 -12.9 70 4.4 -9.6 116 20 266.8 267.0 265.2 270.8 1.45 5 954 608 -7.9 -12.9 67 5.0 -9.2 127 26 268.8 269.1 266.7 272.9 1.48 6 925 849 -7.1 -18.1 41 11.0 -9.6 145 36 272.0 272.2 268.0 274.9 0.99 7 897 1086 -8.1 -27.1 20 19.0 -11.5 149 32 273.4 273.5 267.9 274.8 0.46 8 850 1500 -9.3 -33.3 12 24.0 -12.9 155 25 276.4 276.4 269.4 277.2 0.27 9 839 1601 -9.9 -33.9 12 24.0 -13.5 156 24 276.8 276.8 269.7 277.6 0.26 10 780 2167 -9.5 -39.5 7 30.0 -13.6 164 18 283.1 283.1 273.2 283.6 0.16 11 700 3000 -13.3 -46.3 4 33.0 -16.9 175 9 287.8 287.8 275.6 288.0 0.09 12 610 4035 -17.7 -49.7 4 32.0 -20.7 228 10 294.2 294.3 278.9 294.5 0.07 13 589 4296 -19.3 -45.3 8 26.0 -22.0 242 10 295.3 295.4 279.4 295.7 0.11 14 500 5490 -27.9 -39.9 31 12.0 -29.1 305 11 299.0 299.1 281.3 299.8 0.24 15 474 5871 -31.1 -43.1 30 12.0 -32.0 307 13 299.7 299.7 281.4 300.3 0.18 16 410 6881 -39.5 -50.5 30 11.0 -40.0 314 18 301.5 301.5 282.1 301.8 0.09 17 400 7050 -40.7 -51.7 30 11.0 -41.2 315 19 302.1 302.1 282.3 302.4 0.08 18 340 8143 -47.3 -58.3 27 11.0 -47.6 312 38 307.5 307.5 284.4 307.6 0.04 19 300 8960 -54.3 -64.3 28 10.0 -54.5 310 52 308.8 308.8 284.9 308.9 0.02 20 290 9175 -55.9 -65.9 28 10.0 -56.0 310 53 309.5 309.5 285.2 309.6 0.02 21 250 10100 -62.5 -72.5 25 10.0 -62.6 310 56 313.1 313.2 286.5 313.2 0.01 22 222 10825 -67.7 -77.0 25 9.3 -67.7 305 62 316.0 316.0 287.4 316.0 0.00 23 211 11129 -69.9 -78.9 26 9.0 -69.9 305 62 317.2 317.2 287.8 317.2 0.00 24 204 11331 -68.3 -78.3 22 10.0 -68.4 305 59 322.8 322.8 289.6 322.8 0.00 25 200 11450 -68.5 -78.5 22 10.0 -68.5 305 58 324.3 324.3 290.0 324.3 0.00 26 189 11788 -70.7 -79.7 25 9.0 -70.7 305 55 326.0 326.0 290.6 326.0 0.00 27 150 13170 -68.1 -78.1 23 10.0 -68.2 305 44 352.8 352.8 297.3 352.8 0.01 28 144 13415 -68.1 -78.1 23 10.0 -68.2 304 43 356.9 356.9 298.1 356.9 0.01 29 100 15590 -70.3 -79.3 25 9.0 -70.4 300 36 391.9 391.9 304.0 391.9 0.01 30 70 17700 -71.1 -80.1 25 9.0 -71.2 305 31 432.3 432.3 309.1 432.3 0.01 31 50 19670 -74.7 -83.7 23 9.0 -74.7 310 31 467.5 467.5 312.4 467.5 0.01 32 47 20030 -74.7 -83.7 23 9.0 -74.7 475.8 475.8 313.1 475.8 0.01 TRP 211 11129 -69.9 -78.9 26 9.0 -69.9 305 62 317.2 317.2 287.8 317.2 0.00 WND 222 10825 -67.7 -77.0 25 9.3 -67.7 305 62 316.0 316.0 287.4 316.0 0.00 Sounding variables and indices 1000-500 mb thick: 5243.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 18.89 % Est. max temperature: 3.47 C = 38.24 F Sfc-Lift cond lev (LCL): 958.05 mb = 575.55 m = 1888.26 ft T: -8.04 C 700-500 lapse rate: 5.86 C/km ThetaE index: 0.09 C Layer 897.0- 850.0 mb Conv cond level (CCL): 1000.00 mb = 247.00 m = 810.36 ft Mean mixing ratio: 1.11 g/kg Conv temperature: -14.67 C = 5.59 F Cap Strength: 23.57 C Lifted Index: 25.28 C Risk: None Lifted Index @300 mb: 28.65 C Lifted Index @700 mb: 18.50 C Showalter Index: 18.19 C Risk: None Total Totals Index: 13.20 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: -5.40 C K Index: -47.70 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 4.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 78.58 J/kg Max Up Vert Vel: 12.54 m/s Conv Inhibition (B-): 34272.18 J/kg Cap Strength: 25.07 C Lift Cond Lev (LCL): 879.78 mb = 1235.24 m = 4052.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 196 at 12 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 1016 127 90 3 -3.0 0.0 | 29 13 -6.3 -11.1 1 1000 247 100 11 -10.8 1.9 | 57 17 -14.1 -9.2 2 925 849 145 36 -20.6 29.5 | 128 30 -23.9 18.4 3 850 1500 155 25 -10.6 22.7 | 130 18 -13.8 11.6 4 700 3000 175 9 -0.8 9.0 | 62 5 -4.1 -2.1 5 500 5490 305 11 9.0 -6.3 | 342 18 5.7 -17.4 6 400 7050 315 19 13.4 -13.4 | 338 27 10.2 -24.5 7 300 8960 310 52 39.8 -33.4 | 321 58 36.6 -44.5 8 250 10100 310 56 42.9 -36.0 | 320 62 39.6 -47.1 9 222 10825 305 62 50.8 -35.6 | 314 67 47.5 -46.7 10 211 11129 305 62 50.8 -35.6 | 314 67 47.5 -46.7 11 200 11450 305 58 47.5 -33.3 | 315 63 44.2 -44.4 12 150 13170 305 44 36.0 -25.2 | 318 49 32.8 -36.3 13 100 15590 300 36 31.2 -18.0 | 316 40 27.9 -29.1 14 70 17700 305 31 25.4 -17.8 | 323 36 22.1 -28.9 15 50 19670 310 31 23.7 -19.9 | 327 37 20.5 -31.0 Wind Parameters Mean winds (0-6000m): 166.5 at 15.4 knts Storm direction: 196.5 at 11.6 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 26.9 deg Storm rel helicity (0-3000m) pos: 211.0 neg: -12.8 tot: 198.2 m^2/s^2 ave: 66.1 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 11.8 stream: 5.0 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 3.55 Bulk Shear: 22.16 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 ------------------------------------------------------------------------------- 500 118 16 78 18| 25.2 0.0 25.2|117.8 0.0 117.8 235.6 0.89| 27.4 24.4 1000 138 24 110 21| 15.4 0.0 15.4|209.2 0.0 209.2 209.2 0.83| 22.5 18.7 1500 143 25 117 21| 7.8 0.0 7.8|211.0 -0.2 210.9 140.6 0.70| 17.9 12.6 2000 147 24 119 19| 4.5 0.0 4.5|211.0 -2.3 208.8 104.4 0.62| 14.9 9.2 2500 149 23 119 17| 2.6 0.0 2.6|211.0 -7.6 203.4 81.4 0.52| 13.1 6.9 3000 150 21 117 15| 1.7 0.0 1.7|211.0 -12.8 198.2 66.1 0.42| 11.8 5.0 4000 157 18 117 12| 1.6 0.0 1.6|211.0 -16.6 194.4 48.6 0.31| 10.0 3.1 5000 162 16 117 9| 1.4 0.0 1.4|222.2 -16.6 205.6 41.1 0.32| 8.9 2.8 6000 166 15 120 8| 1.4 0.0 1.4|233.0 -21.6 211.4 35.2 0.31| 8.0 2.5 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20251208.00.gif