UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U6298... Searching the city database file for: U6298 ... Date:1200Z 9 DEC 25 Station: U6298 WMO ident: 26298 Latitude: 57.90 Longitude: 34.05 ------------------------------------------------------------------------------- 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 97 SFC 989 186 0.8 -0.6 90 1.4 0.2 180 7 274.8 275.4 273.9 284.9 3.70 2 925 718 -3.1 -4.6 89 1.5 -3.7 215 29 276.1 276.6 273.6 284.3 2.93 3 908 865 -3.9 -5.3 90 1.4 -4.4 218 27 276.8 277.3 273.8 284.7 2.83 4 885 1070 -1.3 -2.4 92 1.1 -1.7 223 24 281.5 282.1 277.5 291.7 3.62 5 850 1392 -2.1 -3.2 92 1.1 -2.6 230 19 283.9 284.6 278.6 294.0 3.55 6 834 1543 -1.9 -3.1 91 1.2 -2.4 229 20 285.7 286.3 279.6 296.1 3.64 7 700 2911 -10.5 -14.0 75 3.5 -11.5 220 27 290.9 291.2 279.7 296.4 1.85 8 500 5410 -27.3 -30.6 73 3.3 -27.8 225 27 299.8 299.9 282.1 301.7 0.60 9 492 5526 -28.1 -31.4 73 3.3 -28.5 226 28 300.2 300.3 282.2 302.0 0.56 10 412 6777 -37.3 -40.8 70 3.5 -37.5 234 35 303.9 304.0 283.3 304.8 0.26 11 400 6980 -39.7 -43.3 68 3.6 -39.9 235 36 303.4 303.4 283.0 304.1 0.21 12 330 8265 -51.9 -55.2 68 3.3 -52.0 235 47 303.8 303.8 283.0 304.0 0.06 13 300 8880 -55.5 -59.1 64 3.6 -55.6 235 52 307.1 307.1 284.3 307.3 0.04 14 297 8944 -55.9 -59.5 64 3.6 -55.9 236 51 307.4 307.4 284.4 307.6 0.04 15 252 9980 -59.1 -63.1 60 4.0 -59.2 255 36 317.5 317.5 287.9 317.6 0.03 16 250 10030 -59.1 -63.2 59 4.1 -59.2 255 36 318.2 318.2 288.2 318.3 0.03 17 249 10055 -59.3 -63.4 59 4.1 -59.3 255 36 318.3 318.3 288.2 318.4 0.03 18 200 11430 -57.1 -62.0 54 4.9 -57.2 270 33 342.3 342.4 294.9 342.5 0.05 19 165 12649 -57.3 -63.3 46 6.0 -57.5 283 26 361.4 361.4 299.0 361.6 0.05 20 150 13250 -59.5 -65.5 46 6.0 -59.6 290 23 367.6 367.6 300.2 367.7 0.04 21 100 15740 -65.1 -73.1 32 8.0 -65.2 300 38 401.9 402.0 305.5 402.0 0.02 22 70 17890 -69.5 -77.5 30 8.0 -69.6 310 48 435.7 435.7 309.4 435.8 0.01 23 50 19890 -71.1 -79.1 30 8.0 -71.2 305 54 475.9 475.9 313.1 476.0 0.02 24 31 22674 -77.5 -86.5 22 9.0 -77.6 528.4 528.4 316.8 528.4 0.01 TRP 252 9980 -59.1 -63.1 60 4.0 -59.2 255 36 317.5 317.5 287.9 317.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5313.00 m Freezing level: 975.87 mb = 294.85 m = 967.33 ft Wetbulb zero: 985.31 mb = 215.42 m = 706.73 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 80.84 % Est. max temperature: 11.10 C = 51.98 F Sfc-Lift cond lev (LCL): 967.55 mb = 360.09 m = 1181.38 ft T: -0.48 C 700-500 lapse rate: 6.72 C/km ThetaE index: 0.63 C Layer 925.0- 908.0 mb Conv cond level (CCL): 914.64 mb = 807.42 m = 2648.97 ft Mean mixing ratio: 3.21 g/kg Conv temperature: 2.51 C = 36.52 F Cap Strength: 8.44 C Lifted Index: 12.64 C Risk: None Lifted Index @300 mb: 15.61 C Lifted Index @700 mb: 8.44 C Showalter Index: 5.96 C Risk: None Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 24.10 C K Index: 18.50 Risk: < 20 % chance of thunderstorms Sweat Index: 71.00 Risk: None Energy Index: 1.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.64 J/kg Max Up Vert Vel: 5.59 m/s Conv Inhibition (B-): 34970.78 J/kg Cap Strength: 12.42 C Lift Cond Lev (LCL): 917.85 mb = 779.57 m = 2557.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 253 at 19 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 ---------------------------------------------------------- 0 989 186 180 7 0.0 7.0 | 94 18 -18.1 1.4 1 925 718 215 29 16.6 23.8 | 176 18 -1.4 18.1 2 850 1392 230 19 14.6 12.2 | 152 7 -3.5 6.6 3 700 2911 220 27 17.4 20.7 | 177 15 -0.7 15.1 4 500 5410 225 27 19.1 19.1 | 184 13 1.0 13.5 5 400 6980 235 36 29.5 20.6 | 217 19 11.4 15.0 6 300 8880 235 52 42.6 29.8 | 225 34 24.5 24.2 7 252 9980 255 36 34.8 9.3 | 258 17 16.7 3.7 8 250 10030 255 36 34.8 9.3 | 258 17 16.7 3.7 9 200 11430 270 33 33.0 -0.0 | 291 16 14.9 -5.6 10 150 13250 290 23 21.6 -7.9 | 345 14 3.6 -13.5 11 100 15740 300 38 32.9 -19.0 | 329 29 14.9 -24.6 12 70 17890 310 48 36.8 -30.9 | 333 41 18.7 -36.5 13 50 19890 305 54 44.2 -31.0 | 324 45 26.2 -36.6 Wind Parameters Mean winds (0-6000m): 222.7 at 25.2 knts Storm direction: 252.7 at 18.9 knts Shear (0-3000m) pos: 2.9 neg: 1.2 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 83.7 deg Storm rel helicity (0-3000m) pos: 124.5 neg: -11.1 tot: 113.4 m^2/s^2 ave: 37.8 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.29 Bulk Shear: 12.16 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 ------------------------------------------------------------------------------- 500 208 17 134 14| 22.7 0.0 22.7|105.2 0.0 105.2 210.4 1.00| 23.8 23.7 1000 215 21 154 13| 9.2 0.0 9.2|112.3 -6.3 106.0 106.0 0.71| 16.5 11.7 1500 219 21 156 12| 5.7 0.0 5.7|114.8 -11.1 103.7 69.1 0.59| 12.7 7.5 2000 221 21 158 11| 4.3 0.8 5.0|119.0 -11.1 107.9 53.9 0.59| 10.3 6.0 2500 221 22 161 11| 3.4 1.2 4.6|122.4 -11.1 111.4 44.5 0.57| 8.8 5.0 3000 221 23 164 12| 2.9 1.2 4.1|124.5 -11.1 113.4 37.8 0.56| 7.6 4.3 4000 221 24 169 13| 2.2 0.9 3.1|127.2 -11.1 116.1 29.0 0.57| 5.8 3.3 5000 222 24 172 13| 1.8 0.7 2.5|129.8 -11.1 118.7 23.7 0.57| 4.8 2.7 6000 223 25 176 13| 1.9 0.6 2.6|147.9 -11.1 136.8 22.8 0.60| 4.4 2.7 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251209.12.gif