UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122200.upa.cvt Date: 0000Z 22 DEC 25 Searching for U6298... Searching the city database file for: U6298 ... Date:0000Z 22 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 49 SFC 983 187 1.4 0.6 94 0.8 1.1 300 7 275.9 276.6 275.1 287.0 4.06 2 934 596 -2.1 -3.6 89 1.5 -2.7 329 25 276.4 276.9 274.0 285.0 3.13 3 925 673 -2.5 -4.0 89 1.5 -3.1 335 29 276.8 277.3 274.2 285.2 3.07 4 883 1042 -3.1 -4.5 90 1.4 -3.6 338 25 279.8 280.4 275.9 288.5 3.10 5 850 1343 -5.1 -6.7 89 1.6 -5.7 340 21 280.8 281.3 275.9 288.5 2.72 6 700 2845 -14.5 -16.2 87 1.7 -14.9 340 13 286.4 286.7 277.2 291.0 1.54 7 669 3186 -16.7 -18.7 84 2.0 -17.1 339 14 287.7 287.9 277.4 291.6 1.30 8 500 5300 -33.1 -35.0 83 1.9 -33.3 330 17 292.7 292.8 278.6 294.0 0.39 9 400 6830 -43.3 -47.2 65 3.9 -43.5 350 27 298.7 298.7 281.0 299.2 0.14 10 306 8575 -56.9 -62.9 47 6.0 -57.0 340 27 303.4 303.4 282.8 303.5 0.03 11 300 8700 -56.5 -62.5 47 6.0 -56.6 335 27 305.7 305.7 283.7 305.8 0.03 12 250 9870 -54.3 -61.3 42 7.0 -54.4 310 25 325.3 325.3 290.4 325.5 0.04 13 241 10105 -53.3 -60.3 42 7.0 -53.5 308 26 330.3 330.3 291.9 330.5 0.05 14 200 11300 -54.7 -62.7 37 8.0 -54.9 300 33 346.1 346.2 295.8 346.3 0.04 15 150 13130 -56.3 -66.3 27 10.0 -56.5 290 42 373.1 373.1 301.1 373.2 0.03 16 137 13706 -56.1 -66.1 27 10.0 -56.3 289 45 383.2 383.2 302.8 383.4 0.04 17 101 15618 -61.9 -72.9 22 11.0 -62.1 285 56 407.0 407.0 306.2 407.1 0.02 18 100 15680 -62.1 -73.1 22 11.0 -62.3 285 56 407.7 407.7 306.2 407.8 0.02 19 70 17860 -67.3 -78.3 20 11.0 -67.4 275 54 440.4 440.4 309.9 440.5 0.01 20 50 19870 -72.7 -83.7 17 11.0 -72.8 270 60 472.2 472.2 312.8 472.2 0.01 21 45 20486 -74.7 -84.7 20 10.0 -74.8 272 62 481.8 481.8 313.6 481.8 0.01 22 30 22840 -75.3 -85.3 19 10.0 -75.4 280 69 539.4 539.4 317.5 539.4 0.01 23 25 23894 -76.3 -86.3 19 10.0 -76.4 565.4 565.4 318.9 565.4 0.01 24 24 24131 -73.7 -84.7 17 11.0 -73.9 579.6 579.6 319.6 579.6 0.01 TRP 306 8575 -56.9 -62.9 47 6.0 -57.0 340 27 303.4 303.4 282.8 303.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5251.00 m Freezing level: 963.40 mb = 350.67 m = 1150.47 ft Wetbulb zero: 968.96 mb = 302.13 m = 991.23 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 86.42 % Est. max temperature: 6.87 C = 44.37 F Sfc-Lift cond lev (LCL): 970.84 mb = 286.65 m = 940.45 ft T: 0.55 C 700-500 lapse rate: 7.58 C/km ThetaE index: 1.92 C Layer 934.0- 925.0 mb Conv cond level (CCL): 872.69 mb = 1134.85 m = 3723.21 ft Mean mixing ratio: 3.33 g/kg Conv temperature: 5.62 C = 42.11 F Cap Strength: 4.14 C Lifted Index: 5.90 C Risk: None Lifted Index @300 mb: 13.79 C Lifted Index @700 mb: 3.59 C Showalter Index: 4.26 C Risk: None Total Totals Index: 54.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.00 C Cross Totals Index: 26.40 C K Index: 19.60 Risk: < 20 % chance of thunderstorms Sweat Index: 167.00 Risk: None Energy Index: 1.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.55 J/kg Max Up Vert Vel: 5.58 m/s Conv Inhibition (B-): 36736.05 J/kg Cap Strength: 5.89 C Lift Cond Lev (LCL): 913.54 mb = 772.04 m = 2532.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 6 at 13 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 ---------------------------------------------------------- 0 983 187 300 7 6.1 -3.5 | 218 12 7.4 9.6 1 925 673 335 29 12.3 -26.3 | 314 19 13.6 -13.2 2 850 1343 340 21 7.2 -19.7 | 308 11 8.6 -6.7 3 700 2845 340 13 4.4 -12.2 | 262 6 5.8 0.9 4 500 5300 330 17 8.5 -14.7 | 279 10 9.9 -1.6 5 400 6830 350 27 4.7 -26.6 | 336 15 6.1 -13.5 6 306 8575 340 27 9.2 -25.4 | 319 16 10.6 -12.3 7 300 8700 335 27 11.4 -24.5 | 312 17 12.8 -11.4 8 250 9870 310 25 19.2 -16.1 | 278 21 20.5 -3.0 9 200 11300 300 33 28.6 -16.5 | 277 30 30.0 -3.4 10 150 13130 290 42 39.5 -14.4 | 272 41 40.9 -1.3 11 100 15680 285 56 54.1 -14.5 | 271 55 55.5 -1.4 12 70 17860 275 54 53.8 -4.7 | 261 56 55.2 8.4 13 50 19870 270 60 60.0 -0.0 | 258 63 61.4 13.1 14 30 22840 280 69 68.0 -12.0 | 269 69 69.3 1.1 Wind Parameters Mean winds (0-6000m): 336.0 at 17.5 knts Storm direction: 6.0 at 13.1 knts Shear (0-3000m) pos: 2.5 neg: 1.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 48.1 deg Storm rel helicity (0-3000m) pos: 87.9 neg: -17.5 tot: 70.4 m^2/s^2 ave: 23.5 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 20.07 Bulk Shear: 0.78 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 ------------------------------------------------------------------------------- 500 329 18 283 11| 24.1 0.0 24.1| 87.2 0.0 87.2 174.5 0.95| 25.5 24.2 1000 333 22 301 13| 9.2 0.0 9.2| 87.2 -3.6 83.6 83.6 0.73| 16.0 11.6 1500 335 22 302 12| 5.0 0.0 5.0| 87.2 -8.2 79.1 52.7 0.61| 11.9 7.2 2000 336 21 301 11| 3.7 0.7 4.4| 87.2 -12.2 75.0 37.5 0.51| 9.6 4.9 2500 337 20 299 10| 3.0 1.1 4.1| 87.2 -16.3 70.9 28.4 0.42| 8.2 3.5 3000 337 19 295 9| 2.5 1.0 3.5| 87.9 -17.5 70.4 23.5 0.40| 7.1 2.8 4000 337 17 290 9| 1.9 0.6 2.4| 89.9 -17.5 72.4 18.1 0.41| 5.6 2.3 5000 336 17 287 9| 1.5 0.4 1.9| 91.5 -17.5 74.0 14.8 0.40| 4.7 1.9 6000 336 18 289 9| 1.8 0.3 2.2|111.0 -17.5 93.5 15.6 0.48| 4.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251222.00.gif