UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110400.upa.cvt Date: 0000Z 4 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 4 NOV 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 79 250 1 SFC 996 112 5.6 5.0 96 0.6 5.3 250 1 279.1 280.0 278.6 294.1 5.49 2 961 404 3.8 2.5 91 1.3 3.2 267 8 280.1 280.9 278.3 293.3 4.76 3 945 541 5.6 2.6 81 3.0 4.2 275 11 283.3 284.1 280.0 296.9 4.88 4 925 716 4.6 0.9 77 3.7 2.9 285 15 284.0 284.8 279.7 296.4 4.41 5 894 993 2.8 -3.2 65 6.0 0.3 295 13 284.9 285.5 278.9 294.6 3.37 6 850 1398 -0.7 -4.8 74 4.1 -2.3 310 9 285.4 286.0 278.8 294.4 3.14 7 818 1703 -3.5 -6.0 83 2.5 -4.4 301 10 285.6 286.1 278.7 294.2 2.98 8 803 1849 -3.9 -6.4 83 2.5 -4.8 297 10 286.7 287.2 279.2 295.2 2.95 9 800 1879 -3.9 -6.5 82 2.6 -4.9 296 10 287.0 287.5 279.3 295.5 2.93 10 788 1998 -2.1 -7.1 69 5.0 -4.0 292 11 290.2 290.7 280.7 298.5 2.84 11 770 2181 -3.3 -11.3 54 8.0 -6.0 287 11 290.8 291.2 280.0 297.0 2.09 12 703 2897 -6.9 -12.9 62 6.0 -8.8 266 13 294.5 294.8 281.6 300.6 2.01 13 700 2930 -7.1 -13.1 62 6.0 -9.0 265 13 294.6 295.0 281.6 300.7 1.99 14 678 3178 -8.3 -15.3 57 7.0 -10.4 262 14 296.0 296.3 281.8 301.3 1.71 15 649 3516 -11.5 -22.5 40 11.0 -14.1 258 16 296.1 296.3 281.0 299.2 0.97 16 574 4441 -20.3 -27.3 54 7.0 -21.5 247 21 296.4 296.5 280.7 298.6 0.71 17 552 4731 -20.1 -24.6 67 4.5 -21.0 244 23 299.9 300.1 282.6 303.0 0.94 18 507 5358 -22.9 -25.8 77 2.9 -23.4 236 26 303.9 304.1 284.1 306.9 0.92 19 500 5460 -23.1 -26.0 77 2.9 -23.7 235 27 304.9 305.0 284.5 307.9 0.92 20 488 5638 -23.9 -26.8 77 2.9 -24.4 234 30 306.0 306.2 284.9 308.9 0.87 21 400 7060 -34.9 -38.1 73 3.2 -35.2 225 56 309.6 309.7 285.7 310.9 0.36 22 384 7344 -36.7 -39.6 74 2.9 -37.0 226 58 310.9 311.0 286.1 312.0 0.32 23 300 9000 -51.3 -54.1 72 2.8 -51.4 230 69 313.0 313.1 286.5 313.4 0.08 24 260 9907 -59.3 -62.3 68 3.0 -59.3 230 75 314.4 314.4 286.9 314.5 0.03 25 250 10150 -60.7 -63.6 68 2.9 -60.7 230 77 315.8 315.8 287.4 315.9 0.03 26 240 10403 -61.9 -64.7 69 2.8 -61.9 230 79 317.7 317.8 288.1 317.9 0.03 27 235 10533 -62.5 -65.2 70 2.7 -62.5 235 73 318.7 318.7 288.3 318.8 0.03 28 226 10777 -57.5 -60.3 70 2.8 -57.6 236 66 330.0 330.0 291.7 330.2 0.05 29 200 11550 -56.5 -59.6 68 3.1 -56.6 240 44 343.3 343.3 295.1 343.6 0.06 30 150 13380 -56.1 -61.1 53 5.0 -56.2 260 38 373.4 373.4 301.2 373.7 0.07 31 100 15930 -59.5 -67.5 35 8.0 -59.7 280 31 412.8 412.8 306.9 413.0 0.04 32 89 16662 -58.5 -67.5 30 9.0 -58.8 278 29 428.8 428.8 308.7 429.0 0.05 33 74 17815 -61.5 -71.5 25 10.0 -61.7 276 26 445.7 445.7 310.4 445.9 0.03 34 70 18160 -61.5 -72.5 22 11.0 -61.8 275 25 452.8 452.8 311.1 453.0 0.03 35 55 19641 -65.1 -76.1 20 11.0 -65.3 286 29 476.9 476.9 313.2 477.0 0.02 36 50 20220 -65.9 -77.9 17 12.0 -66.1 290 31 488.2 488.2 314.1 488.3 0.02 37 30 23300 -69.5 -81.5 16 12.0 -69.8 290 35 555.2 555.2 318.4 555.3 0.02 38 20 25700 -72.3 -84.3 15 12.0 -72.5 300 38 614.9 614.9 321.3 615.0 0.02 39 19 26002 -71.9 -83.9 15 12.0 -72.2 625.2 625.2 321.7 625.3 0.02 TRP 235 10533 -62.5 -65.2 70 2.7 -62.5 235 73 318.7 318.7 288.3 318.8 0.03 WND 240 10403 -61.9 -64.7 69 2.8 -61.9 230 79 317.7 317.8 288.1 317.9 0.03 Sounding variables and indices 1000-500 mb thick: 5381.00 m Freezing level: 858.80 mb = 1316.90 m = 4320.50 ft Wetbulb zero: 888.78 mb = 1039.56 m = 3410.58 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 64.79 % Est. max temperature: 11.96 C = 53.53 F Sfc-Lift cond lev (LCL): 986.86 mb = 187.11 m = 613.87 ft T: 5.14 C 700-500 lapse rate: 6.32 C/km ThetaE index: 2.75 C Layer 925.0- 803.0 mb Conv cond level (CCL): 866.16 mb = 1246.73 m = 4090.26 ft Mean mixing ratio: 4.62 g/kg Conv temperature: 11.77 C = 53.18 F Cap Strength: 8.72 C Lifted Index: 9.34 C Risk: None Lifted Index @300 mb: 12.78 C Lifted Index @700 mb: 5.24 C Showalter Index: 9.81 C Risk: None Total Totals Index: 40.70 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 18.30 C K Index: 11.60 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 2.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.23 J/kg Max Up Vert Vel: 7.65 m/s Conv Inhibition (B-): 41346.32 J/kg Cap Strength: 8.76 C Lift Cond Lev (LCL): 906.35 mb = 881.22 m = 2891.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 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 ---------------------------------------------------------- 0 996 112 250 1 0.9 0.3 | 106 12 -11.6 3.3 1 925 716 285 15 14.5 -3.9 | 296 2 2.0 -1.0 2 850 1398 310 9 6.9 -5.8 | 63 6 -5.6 -2.9 3 700 2930 265 13 13.0 1.1 | 186 4 0.4 4.0 4 500 5460 235 27 22.1 15.5 | 208 21 9.6 18.4 5 400 7060 225 56 39.6 39.6 | 212 50 27.1 42.5 6 300 9000 230 69 52.9 44.4 | 220 62 40.3 47.3 7 250 10150 230 77 59.0 49.5 | 222 70 46.5 52.4 8 240 10403 230 79 60.5 50.8 | 222 72 48.0 53.7 9 235 10533 235 73 59.8 41.9 | 227 65 47.3 44.8 10 200 11550 240 44 38.1 22.0 | 226 36 25.6 24.9 11 150 13380 260 38 37.4 6.6 | 249 27 24.9 9.5 12 100 15930 280 31 30.5 -5.4 | 278 18 18.0 -2.5 13 70 18160 275 25 24.9 -2.2 | 267 12 12.4 0.7 14 50 20220 290 31 29.1 -10.6 | 295 18 16.6 -7.7 15 30 23300 290 35 32.9 -12.0 | 294 22 20.4 -9.1 16 20 25700 300 38 32.9 -19.0 | 308 26 20.4 -16.1 Wind Parameters Mean winds (0-6000m): 253.1 at 17.1 knts Storm direction: 283.1 at 12.9 knts Shear (0-3000m) pos: 1.5 neg: 1.6 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 90.8 deg Storm rel helicity (0-3000m) pos: 17.0 neg: -0.1 tot: 17.0 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.59 Bulk Shear: 18.42 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 ------------------------------------------------------------------------------- 500 283 7 103 6| 12.1 0.0 12.1| 8.6 0.0 8.6 17.3 0.43| 12.7 5.4 1000 287 10 88 3| 5.6 0.0 5.6| 11.5 0.0 11.5 11.5 0.61| 10.6 6.5 1500 292 10 75 3| 3.1 0.0 3.1| 13.8 -0.1 13.8 9.2 0.58| 8.5 4.9 2000 293 10 73 3| 2.3 0.7 3.1| 14.4 -0.1 14.3 7.2 0.54| 7.1 3.9 2500 290 10 78 3| 1.9 1.2 3.1| 15.5 -0.1 15.4 6.2 0.57| 6.4 3.6 3000 285 11 95 2| 1.5 1.6 3.1| 17.0 -0.1 17.0 5.7 0.56| 5.9 3.3 4000 275 12 171 2| 1.2 2.0 3.2| 20.3 -0.1 20.3 5.1 0.52| 5.2 2.7 5000 263 14 201 5| 0.9 2.3 3.3| 20.4 -3.6 16.8 3.4 0.42| 4.9 2.1 6000 253 17 206 9| 0.8 3.2 4.0| 35.1 -6.8 28.3 4.7 0.35| 5.4 1.9 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251104.00.gif