UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 20 OCT 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 ------------------------------------------------------------------------------- SFC 1001 106 6.2 2.3 76 3.9 4.4 250 9 279.3 280.0 277.5 291.7 4.51 1 1000 114 5.2 0.3 71 4.9 3.1 250 9 278.4 279.0 276.2 289.1 3.90 2 998 130 5.0 0.2 71 4.8 2.9 250 10 278.3 279.0 276.2 289.0 3.88 3 925 746 1.4 -3.0 72 4.4 -0.4 250 29 280.7 281.3 276.7 290.0 3.31 4 920 790 1.2 -3.2 72 4.4 -0.6 251 28 281.0 281.5 276.7 290.2 3.28 5 915 833 1.2 -3.5 71 4.7 -0.7 253 28 281.4 282.0 276.9 290.5 3.22 6 899 975 2.2 -8.8 44 11.0 -1.7 257 26 283.9 284.2 276.7 290.2 2.18 7 872 1221 1.4 -18.6 21 20.0 -4.3 264 22 285.5 285.7 275.9 288.6 1.01 8 850 1426 -0.3 -8.3 55 8.0 -3.2 270 19 285.8 286.2 278.0 292.8 2.40 9 830 1616 -1.1 -5.9 70 4.8 -3.0 269 18 286.9 287.5 279.3 295.5 2.96 10 700 2955 -8.9 -13.1 72 4.2 -10.2 260 13 292.6 293.0 280.7 298.6 1.99 11 680 3179 -9.9 -14.0 72 4.1 -11.2 262 14 293.9 294.3 281.2 299.7 1.90 12 540 4910 -22.9 -26.8 70 3.9 -23.6 275 19 298.5 298.6 281.8 301.0 0.79 13 500 5470 -26.1 -30.6 66 4.5 -26.8 280 21 301.2 301.3 282.7 303.2 0.60 14 420 6711 -33.9 -38.6 62 4.7 -34.3 276 27 306.6 306.7 284.5 307.8 0.32 15 400 7050 -36.9 -41.9 60 5.0 -37.3 275 29 307.0 307.1 284.5 307.9 0.24 16 360 7770 -42.5 -49.5 46 7.0 -42.8 279 28 308.9 308.9 285.1 309.4 0.12 17 332 8313 -45.5 -54.5 36 9.0 -45.8 281 26 312.0 312.1 286.1 312.3 0.07 18 300 8980 -51.1 -60.1 33 9.0 -51.3 285 25 313.3 313.3 286.5 313.5 0.04 19 250 10150 -59.7 -68.7 30 9.0 -59.8 280 29 317.3 317.3 287.9 317.4 0.01 20 240 10403 -61.1 -69.1 34 8.0 -61.2 280 31 318.9 318.9 288.4 319.0 0.01 21 225 10803 -60.3 -68.3 34 8.0 -60.4 284 32 326.1 326.1 290.6 326.2 0.02 22 200 11540 -56.5 -64.5 36 8.0 -56.6 290 33 343.3 343.3 295.1 343.4 0.03 23 152 13285 -53.9 -64.9 25 11.0 -54.2 285 31 375.8 375.8 301.6 376.0 0.04 24 150 13370 -54.3 -66.3 22 12.0 -54.6 285 31 376.5 376.5 301.7 376.7 0.03 25 122 14684 -57.7 -71.7 15 14.0 -58.0 282 27 393.2 393.2 304.3 393.3 0.02 26 100 15940 -57.1 -73.1 11 16.0 -57.5 280 23 417.4 417.4 307.4 417.5 0.02 27 70 18170 -60.7 -79.7 6 19.0 -61.1 285 19 454.5 454.5 311.3 454.6 0.01 28 50 20240 -62.7 -82.7 5 20.0 -63.1 285 19 495.7 495.7 314.7 495.8 0.01 29 45 20884 -64.9 -84.9 5 20.0 -65.3 282 21 505.6 505.6 315.4 505.6 0.01 30 36 22252 -61.9 -82.9 4 21.0 -62.5 275 25 546.6 546.6 317.9 546.7 0.01 31 30 23370 -64.9 -84.9 5 20.0 -65.4 270 29 567.7 567.7 319.0 567.8 0.01 32 29 23576 -65.1 -85.1 5 20.0 -65.6 268 29 572.7 572.7 319.3 572.8 0.01 33 26 24244 -62.7 -84.7 4 22.0 -63.4 263 28 597.7 597.7 320.5 597.8 0.01 34 20 25850 -64.9 -86.9 3 22.0 -65.6 250 27 637.5 637.5 322.2 637.6 0.01 35 14 28013 -66.9 -87.9 4 21.0 -67.7 250 36 699.2 699.2 324.4 699.3 0.01 36 10 30070 -61.7 -83.7 4 22.0 -63.6 250 44 789.2 789.3 327.0 789.6 0.04 37 8.3 31226 -60.9 -83.9 3 23.0 -63.3 835.6 835.6 328.1 836.0 0.04 TRP 240 10403 -61.1 -69.1 34 8.0 -61.2 280 31 318.9 318.9 288.4 319.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5356.00 m Freezing level: 853.88 mb = 1389.84 m = 4559.79 ft Wetbulb zero: 933.69 mb = 670.25 m = 2198.97 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 67.23 % Est. max temperature: 12.75 C = 54.95 F Sfc-Lift cond lev (LCL): 942.80 mb = 591.52 m = 1940.67 ft T: 2.30 C 700-500 lapse rate: 6.84 C/km ThetaE index: 2.66 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 761.45 mb = 2293.71 m = 7525.20 ft Mean mixing ratio: 3.45 g/kg Conv temperature: 16.77 C = 62.18 F Cap Strength: 8.66 C Lifted Index: 10.33 C Risk: None Lifted Index @300 mb: 16.79 C Lifted Index @700 mb: 6.90 C Showalter Index: 8.04 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 25.80 C Cross Totals Index: 17.80 C K Index: 13.30 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 2.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.72 J/kg Max Up Vert Vel: 5.24 m/s Conv Inhibition (B-): 66194.68 J/kg Cap Strength: 9.90 C Lift Cond Lev (LCL): 879.81 mb = 1149.22 m = 3770.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 14 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 1001 106 250 9 8.5 3.1 | 158 10 -3.7 9.4 1 1000 114 250 9 8.5 3.1 | 158 10 -3.7 9.4 2 925 746 250 29 27.3 9.9 | 223 22 15.1 16.2 3 850 1426 270 19 19.0 -0.0 | 227 9 6.8 6.3 4 700 2955 260 13 12.8 2.3 | 184 9 0.6 8.6 5 500 5470 280 21 20.7 -3.6 | 252 9 8.5 2.7 6 400 7050 275 29 28.9 -2.5 | 257 17 16.7 3.8 7 300 8980 285 25 24.1 -6.5 | 271 12 12.0 -0.1 8 250 10150 280 29 28.6 -5.0 | 265 16 16.4 1.3 9 240 10403 280 31 30.5 -5.4 | 267 18 18.3 0.9 10 200 11540 290 33 31.0 -11.3 | 285 19 18.8 -5.0 11 150 13370 285 31 29.9 -8.0 | 275 18 17.8 -1.7 12 100 15940 280 23 22.7 -4.0 | 257 11 10.5 2.3 13 70 18170 285 19 18.4 -4.9 | 257 6 6.2 1.4 14 50 20240 285 19 18.4 -4.9 | 257 6 6.2 1.4 15 30 23370 270 29 29.0 -0.0 | 249 18 16.8 6.3 16 20 25850 250 27 25.4 9.2 | 220 20 13.2 15.6 17 10 30070 250 44 41.3 15.0 | 234 36 29.2 21.4 Wind Parameters Mean winds (0-6000m): 267.5 at 18.3 knts Storm direction: 297.5 at 13.7 knts Shear (0-3000m) pos: 1.6 neg: 2.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 29.3 deg Storm rel helicity (0-3000m) pos: 62.7 neg: -15.3 tot: 47.5 m^2/s^2 ave: 15.8 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.37 Bulk Shear: 4.08 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 ------------------------------------------------------------------------------- 500 250 17 196 13| 0.0 16.0 16.0| 41.7 0.0 41.7 83.3 0.80| 16.1 12.9 1000 252 22 213 15| 2.3 8.0 10.3| 61.3 0.0 61.3 61.3 0.64| 13.2 8.4 1500 256 21 216 14| 3.2 5.3 8.5| 61.9 -2.5 59.4 39.6 0.48| 11.1 5.3 2000 258 20 216 13| 2.4 3.6 6.0| 61.9 -7.5 54.4 27.2 0.39| 8.9 3.4 2500 260 19 214 12| 1.9 2.6 4.5| 61.9 -12.3 49.6 19.8 0.31| 7.5 2.3 3000 260 18 211 11| 1.6 2.0 3.6| 62.7 -15.3 47.5 15.8 0.27| 6.6 1.8 4000 261 17 209 10| 1.3 1.5 2.8| 70.8 -15.3 55.6 13.9 0.33| 5.4 1.8 5000 264 18 213 10| 1.3 1.2 2.5| 79.5 -15.3 64.2 12.8 0.39| 4.7 1.9 6000 267 18 221 9| 1.2 1.2 2.4| 84.5 -15.3 69.3 11.5 0.40| 4.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251020.12.gif