UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for U6298... Searching the city database file for: U6298 ... Date:1200Z 21 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 984 188 2.4 1.5 94 0.9 2.0 215 1 276.8 277.6 276.0 288.6 4.33 2 925 689 -0.5 -1.7 92 1.2 -1.0 255 21 278.8 279.4 276.1 288.9 3.65 3 850 1356 -4.5 -6.2 88 1.7 -5.1 270 21 281.4 281.9 276.4 289.4 2.83 4 700 2861 -12.9 -14.6 87 1.7 -13.4 290 21 288.2 288.5 278.3 293.4 1.76 5 622 3749 -18.3 -20.1 86 1.8 -18.7 276 25 291.9 292.1 279.4 295.8 1.24 6 594 4089 -21.5 -23.6 83 2.1 -21.9 270 26 292.1 292.2 279.1 295.1 0.96 7 571 4377 -24.5 -28.3 71 3.8 -25.1 266 27 291.9 292.0 278.6 293.9 0.65 8 500 5330 -30.3 -36.3 56 6.0 -30.9 250 31 296.1 296.2 280.1 297.2 0.34 9 456 5980 -34.7 -41.7 49 7.0 -35.2 252 33 298.5 298.5 281.0 299.2 0.22 10 424 6483 -38.9 -47.9 38 9.0 -39.4 254 35 299.4 299.4 281.3 299.8 0.12 11 400 6880 -42.9 -50.9 41 8.0 -43.2 255 36 299.2 299.2 281.1 299.6 0.09 12 376 7295 -46.3 -54.3 40 8.0 -46.6 254 36 300.1 300.1 281.4 300.3 0.06 13 309 8580 -53.7 -61.7 37 8.0 -53.8 250 35 307.0 307.1 284.2 307.2 0.03 14 308 8601 -53.9 -61.9 37 8.0 -54.0 250 35 307.1 307.1 284.2 307.2 0.03 15 300 8770 -53.7 -61.7 37 8.0 -53.8 250 33 309.7 309.7 285.2 309.8 0.03 16 281 9192 -52.7 -60.7 37 8.0 -52.9 257 34 316.9 316.9 287.8 317.1 0.04 17 259 9714 -56.1 -65.1 31 9.0 -56.2 266 35 319.4 319.4 288.6 319.5 0.02 18 250 9940 -54.5 -63.5 32 9.0 -54.6 270 35 325.0 325.0 290.3 325.2 0.03 19 205 11220 -51.7 -62.7 26 11.0 -52.0 274 35 348.4 348.4 296.3 348.6 0.04 20 200 11380 -52.5 -63.5 25 11.0 -52.8 275 35 349.6 349.6 296.6 349.8 0.04 21 165 12614 -56.7 -68.7 21 12.0 -56.9 278 37 362.4 362.4 299.2 362.5 0.02 22 150 13220 -56.1 -68.1 21 12.0 -56.3 280 38 373.4 373.4 301.2 373.5 0.03 23 116 14849 -56.7 -69.7 18 13.0 -57.0 283 41 400.8 400.8 305.3 400.9 0.03 24 103 15596 -60.1 -73.1 17 13.0 -60.3 285 42 408.1 408.1 306.3 408.2 0.02 25 100 15780 -60.7 -73.7 16 13.0 -60.9 285 42 410.4 410.5 306.6 410.5 0.02 26 70 17960 -66.9 -78.9 17 12.0 -67.1 280 46 441.3 441.3 310.0 441.3 0.01 27 60 18886 -70.7 -82.7 15 12.0 -70.8 280 51 452.7 452.7 311.1 452.7 0.01 28 50 19970 -71.1 -83.1 15 12.0 -71.2 280 58 475.9 475.9 313.1 476.0 0.01 29 31 22761 -76.1 -88.1 13 12.0 -76.2 280 70 532.2 532.2 317.1 532.2 0.01 30 30 22950 -75.5 -87.5 14 12.0 -75.6 280 71 538.8 538.8 317.5 538.9 0.01 31 23 24490 -75.1 -87.1 14 12.0 -75.2 582.5 582.5 319.8 582.6 0.01 32 21 25025 -69.5 -81.5 16 12.0 -69.8 614.8 614.8 321.3 615.0 0.02 TRP 308 8601 -53.9 -61.9 37 8.0 -54.0 250 35 307.1 307.1 284.2 307.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5273.00 m Freezing level: 935.17 mb = 602.68 m = 1977.27 ft Wetbulb zero: 944.28 mb = 521.99 m = 1712.56 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 82.45 % Est. max temperature: 7.65 C = 45.77 F Sfc-Lift cond lev (LCL): 970.38 mb = 301.19 m = 988.16 ft T: 1.75 C 700-500 lapse rate: 7.05 C/km Conv cond level (CCL): 902.00 mb = 887.60 m = 2912.05 ft Mean mixing ratio: 3.75 g/kg Conv temperature: 5.15 C = 41.27 F Cap Strength: 5.12 C Lifted Index: 6.77 C Risk: None Lifted Index @300 mb: 14.78 C Lifted Index @700 mb: 3.43 C Showalter Index: 6.36 C Risk: None Total Totals Index: 49.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 24.10 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 91.00 Risk: None Energy Index: 1.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.82 J/kg Max Up Vert Vel: 5.06 m/s Conv Inhibition (B-): 40949.64 J/kg Cap Strength: 6.51 C Lift Cond Lev (LCL): 916.49 mb = 761.90 m = 2499.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 18 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 ---------------------------------------------------------- 0 984 188 215 1 0.6 0.8 | 118 18 -15.7 8.5 1 925 689 255 21 20.3 5.4 | 197 14 4.0 13.1 2 850 1356 270 21 21.0 -0.0 | 211 9 4.7 7.7 3 700 2861 290 21 19.7 -7.2 | 262 3 3.4 0.5 4 500 5330 250 31 29.1 10.6 | 215 22 12.8 18.3 5 400 6880 255 36 34.8 9.3 | 227 25 18.5 17.0 6 308 8601 250 35 32.9 12.0 | 220 26 16.6 19.7 7 300 8770 250 33 31.0 11.3 | 218 24 14.7 19.0 8 250 9940 270 35 35.0 -0.0 | 248 20 18.7 7.7 9 200 11380 275 35 34.9 -3.1 | 256 19 18.6 4.6 10 150 13220 280 38 37.4 -6.6 | 267 21 21.1 1.1 11 100 15780 285 42 40.6 -10.9 | 277 24 24.3 -3.2 12 70 17960 280 46 45.3 -8.0 | 271 29 29.0 -0.3 13 50 19970 280 58 57.1 -10.1 | 273 41 40.8 -2.4 14 30 22950 280 71 69.9 -12.3 | 275 54 53.6 -4.6 Wind Parameters Mean winds (0-6000m): 265.2 at 24.0 knts Storm direction: 295.2 at 18.0 knts Shear (0-3000m) pos: 3.6 neg: 0.3 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 130.7 deg Storm rel helicity (0-3000m) pos: 103.1 neg: -1.1 tot: 102.0 m^2/s^2 ave: 34.0 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.53 Bulk Shear: 23.99 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 ------------------------------------------------------------------------------- 500 253 11 152 12| 20.8 0.0 20.8| 87.3 0.0 87.3 174.6 0.98| 22.4 21.9 1000 258 16 177 11| 10.5 0.0 10.5| 94.2 0.0 94.2 94.2 0.91| 13.3 12.1 1500 263 18 187 10| 7.0 0.0 7.0| 97.9 0.0 97.9 65.2 0.87| 9.9 8.6 2000 267 19 194 9| 5.3 0.0 5.3|100.3 0.0 100.3 50.2 0.85| 8.1 6.8 2500 271 19 201 8| 4.3 0.0 4.3|102.5 0.0 102.5 41.0 0.84| 6.9 5.8 3000 274 19 206 7| 3.6 0.3 3.9|103.1 -1.1 102.0 34.0 0.76| 6.3 4.8 4000 275 21 215 7| 2.7 1.2 3.9|103.1 -8.4 94.7 23.7 0.56| 5.7 3.2 5000 270 22 218 10| 2.1 1.9 4.0|103.1 -26.6 76.5 15.3 0.39| 5.5 2.2 6000 265 24 218 12| 1.9 1.7 3.6|119.1 -29.4 89.7 15.0 0.40| 5.0 2.0 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251221.12.gif