UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for U6298... Searching the city database file for: U6298 ... Date:1200Z 29 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 -57 SFC 969 190 -5.9 -7.8 86 1.9 -6.5 185 5 269.7 270.0 268.4 275.6 2.19 2 927 534 -9.3 -11.2 86 1.9 -9.8 218 7 269.6 269.9 267.7 274.5 1.75 3 925 551 -9.3 -11.2 86 1.9 -9.8 220 7 269.8 270.1 267.8 274.6 1.75 4 907 703 -7.5 -10.1 82 2.6 -8.2 230 8 273.2 273.5 270.3 278.6 1.95 5 892 833 -8.1 -11.4 77 3.3 -9.0 239 9 273.9 274.2 270.5 278.9 1.79 6 855 1161 -8.5 -18.5 44 10.0 -10.8 262 11 276.8 277.0 271.0 279.8 1.04 7 850 1206 -8.7 -18.7 44 10.0 -11.0 265 11 277.0 277.2 271.1 280.0 1.03 8 816 1520 -10.1 -16.1 61 6.0 -11.6 270 11 278.8 279.0 272.7 282.7 1.33 9 750 2162 -15.1 -19.1 71 4.0 -16.0 281 11 280.2 280.4 273.2 283.5 1.12 10 742 2242 -15.5 -19.3 73 3.8 -16.3 282 11 280.6 280.8 273.4 283.9 1.12 11 700 2679 -17.3 -22.0 67 4.7 -18.2 290 11 283.3 283.5 274.6 286.2 0.94 12 688 2809 -18.1 -23.1 65 5.0 -19.0 288 11 283.8 284.0 274.8 286.5 0.87 13 584 4009 -28.7 -33.1 66 4.4 -29.2 271 12 285.1 285.2 274.8 286.4 0.40 14 518 4862 -32.7 -38.7 55 6.0 -33.2 259 13 290.2 290.3 277.2 291.1 0.26 15 500 5110 -34.9 -40.9 54 6.0 -35.3 255 13 290.5 290.5 277.3 291.2 0.21 16 428 6177 -43.3 -50.3 46 7.0 -43.6 234 23 293.0 293.0 278.3 293.3 0.09 17 400 6630 -45.7 -52.7 45 7.0 -45.9 225 27 295.6 295.6 279.5 295.9 0.07 18 381 6951 -47.7 -53.7 50 6.0 -47.9 224 27 297.1 297.1 280.1 297.3 0.07 19 324 7995 -56.5 -62.5 47 6.0 -56.6 221 27 299.0 299.1 281.0 299.1 0.03 20 307 8335 -56.9 -62.9 47 6.0 -57.0 220 27 303.1 303.1 282.7 303.2 0.03 21 300 8480 -58.1 -64.1 46 6.0 -58.2 220 27 303.4 303.5 282.8 303.5 0.02 22 285 8806 -59.9 -65.9 45 6.0 -60.0 220 25 305.4 305.4 283.5 305.4 0.02 23 250 9640 -56.9 -62.9 47 6.0 -57.0 245 23 321.5 321.5 289.2 321.6 0.03 24 246 9742 -55.5 -61.5 47 6.0 -55.6 247 22 325.1 325.1 290.3 325.2 0.04 25 200 11050 -55.5 -63.5 36 8.0 -55.6 275 15 344.9 344.9 295.5 345.0 0.04 26 162 12391 -57.1 -67.1 27 10.0 -57.3 293 27 363.6 363.6 299.4 363.7 0.03 27 150 12880 -55.5 -65.5 28 10.0 -55.8 300 31 374.5 374.5 301.4 374.6 0.04 28 131 13742 -55.7 -67.7 21 12.0 -56.0 295 33 388.9 388.9 303.6 389.0 0.03 29 103 15256 -60.1 -73.1 17 13.0 -60.3 286 36 408.1 408.1 306.3 408.2 0.02 30 100 15440 -60.9 -73.9 16 13.0 -61.2 285 36 410.1 410.1 306.5 410.1 0.02 31 77 17044 -64.5 -78.5 13 14.0 -64.7 285 45 434.4 434.4 309.3 434.4 0.01 32 74 17288 -61.3 -75.3 14 14.0 -61.6 285 46 446.1 446.1 310.5 446.2 0.02 33 70 17630 -63.1 -77.1 13 14.0 -63.3 285 48 449.4 449.4 310.8 449.5 0.02 34 55 19100 -67.1 -82.1 10 15.0 -67.3 472.3 472.3 312.8 472.4 0.01 TRP 285 8806 -59.9 -65.9 45 6.0 -60.0 220 25 305.4 305.4 283.5 305.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5167.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 65.62 % Est. max temperature: 2.99 C = 37.39 F Sfc-Lift cond lev (LCL): 940.12 mb = 424.99 m = 1394.30 ft T: -8.22 C 700-500 lapse rate: 7.24 C/km ThetaE index: 1.18 C Layer 927.0- 925.0 mb Conv cond level (CCL): 778.88 mb = 1874.27 m = 6149.11 ft Mean mixing ratio: 1.83 g/kg Conv temperature: 3.92 C = 39.06 F Cap Strength: 11.46 C Lifted Index: 11.49 C Risk: None Lifted Index @300 mb: 18.87 C Lifted Index @700 mb: 7.76 C Showalter Index: 8.97 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 26.20 C Cross Totals Index: 16.20 C K Index: 2.80 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 2.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.92 J/kg Max Up Vert Vel: 7.74 m/s Conv Inhibition (B-): 30558.02 J/kg Cap Strength: 11.47 C Lift Cond Lev (LCL): 876.54 mb = 967.91 m = 3175.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 9 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 ---------------------------------------------------------- 0 969 190 185 5 0.4 5.0 | 135 12 -8.1 8.2 1 925 551 220 7 4.5 5.4 | 155 10 -4.1 8.6 2 850 1206 265 11 11.0 1.0 | 209 5 2.4 4.2 3 700 2679 290 11 10.3 -3.8 | 286 2 1.8 -0.5 4 500 5110 255 13 12.6 3.4 | 211 8 4.0 6.6 5 400 6630 225 27 19.1 19.1 | 205 25 10.5 22.4 6 300 8480 220 27 17.4 20.7 | 200 26 8.8 23.9 7 285 8806 220 25 16.1 19.2 | 198 24 7.5 22.4 8 250 9640 245 23 20.8 9.7 | 223 18 12.3 13.0 9 200 11050 275 15 14.9 -1.3 | 253 7 6.4 2.0 10 150 12880 300 31 26.8 -15.5 | 304 22 18.3 -12.2 11 100 15440 285 36 34.8 -9.3 | 283 27 26.2 -6.1 12 70 17630 285 48 46.4 -12.4 | 284 39 37.8 -9.2 Wind Parameters Mean winds (0-6000m): 260.8 at 12.2 knts Storm direction: 290.8 at 9.2 knts Shear (0-3000m) pos: 2.3 neg: 0.3 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 118.2 deg Storm rel helicity (0-3000m) pos: 25.5 neg: -0.7 tot: 24.8 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.57 Bulk Shear: 11.63 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 ------------------------------------------------------------------------------- 500 212 6 149 10| 5.7 0.0 5.7| 13.3 0.0 13.3 26.6 0.86| 5.8 5.0 1000 236 8 165 8| 5.7 0.0 5.7| 22.6 0.0 22.6 22.6 0.83| 6.2 5.2 1500 250 9 178 6| 4.1 0.0 4.1| 23.9 0.0 23.9 15.9 0.81| 4.8 3.8 2000 259 9 188 5| 3.2 0.0 3.2| 24.8 0.0 24.8 12.4 0.80| 4.0 3.2 2500 265 10 196 4| 2.7 0.0 2.7| 25.5 0.0 25.5 10.2 0.81| 3.5 2.8 3000 269 10 203 4| 2.3 0.3 2.5| 25.5 -0.7 24.8 8.3 0.68| 3.2 2.2 4000 271 10 212 4| 1.7 0.6 2.3| 25.5 -2.5 23.0 5.7 0.50| 2.8 1.4 5000 268 11 213 4| 1.4 0.8 2.2| 25.9 -5.2 20.8 4.2 0.37| 2.6 1.0 6000 261 12 214 6| 1.1 1.6 2.8| 26.9 -10.9 16.0 2.7 0.23| 3.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251229.12.gif