UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050200.upa.cvt Date: 0000Z 2 MAY 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 2 MAY 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 1004 112 1.4 -8.6 47 10.0 -1.9 250 7 274.2 274.6 271.0 279.8 1.98 1 1000 144 2.6 -8.4 44 11.0 -1.2 250 9 275.8 276.1 272.0 281.4 2.02 2 986 259 5.4 -5.6 45 11.0 1.2 255 9 279.7 280.1 275.0 286.9 2.55 3 926 769 2.4 -9.6 41 12.0 -1.8 275 11 281.7 282.0 275.3 287.4 1.99 4 925 778 2.2 -9.8 41 12.0 -1.9 275 11 281.6 281.9 275.2 287.2 1.96 5 850 1452 -4.1 -14.1 46 10.0 -7.0 235 5 281.9 282.1 274.7 286.3 1.51 6 815 1781 -7.3 -17.3 45 10.0 -9.9 241 4 281.9 282.1 274.2 285.4 1.21 7 751 2415 -9.7 -19.7 44 10.0 -12.1 254 2 285.9 286.1 276.2 289.2 1.07 8 700 2953 -13.9 -26.9 32 13.0 -16.3 265 1 287.1 287.2 276.1 289.0 0.60 9 684 3128 -15.3 -28.3 32 13.0 -17.5 270 2 287.4 287.5 276.2 289.1 0.54 10 664 3353 -14.5 -28.5 29 14.0 -17.0 276 4 290.8 290.9 277.9 292.5 0.55 11 620 3870 -16.9 -32.9 24 16.0 -19.3 290 8 293.8 293.9 279.1 295.1 0.39 12 524 5112 -25.7 -44.7 15 19.0 -27.3 325 18 297.7 297.7 280.5 298.2 0.14 13 500 5450 -28.1 -47.1 15 19.0 -29.5 335 21 298.8 298.8 281.0 299.2 0.11 14 494 5536 -28.7 -46.7 16 18.0 -30.0 336 22 299.1 299.1 281.1 299.5 0.12 15 418 6715 -34.5 -51.5 16 17.0 -35.5 355 31 306.3 306.3 284.0 306.6 0.08 16 400 7020 -37.3 -54.3 15 17.0 -38.1 360 33 306.5 306.5 284.1 306.7 0.06 17 300 8940 -51.3 -67.3 13 16.0 -51.5 10 50 313.0 313.0 286.4 313.1 0.01 18 280 9387 -54.9 -70.9 12 16.0 -55.1 12 53 314.1 314.1 286.8 314.1 0.01 19 255 9984 -57.9 -74.9 10 17.0 -58.0 15 56 318.2 318.2 288.2 318.2 0.01 20 250 10110 -57.7 -74.7 10 17.0 -57.9 10 54 320.3 320.3 288.8 320.3 0.01 21 249 10135 -57.3 -74.3 10 17.0 -57.5 10 54 321.2 321.2 289.1 321.3 0.01 22 242 10316 -54.7 -71.7 11 17.0 -54.9 6 51 327.8 327.8 291.1 327.8 0.01 23 200 11530 -54.5 -72.5 9 18.0 -54.8 345 31 346.5 346.5 295.8 346.5 0.01 24 150 13390 -52.5 -70.5 10 18.0 -52.9 325 21 379.6 379.6 302.2 379.7 0.02 25 100 16000 -52.7 -72.7 7 20.0 -53.4 310 15 425.9 425.9 308.4 426.0 0.02 26 98 16130 -52.1 -72.1 7 20.0 -52.8 310 15 429.5 429.5 308.8 429.7 0.02 27 70 18300 -53.3 -74.3 6 21.0 -54.2 305 15 470.4 470.4 312.7 470.5 0.02 28 64 18876 -54.1 -75.1 6 21.0 -54.9 480.8 480.8 313.5 480.9 0.02 29 56 19739 -50.9 -72.9 6 22.0 -52.2 506.8 506.8 315.4 507.1 0.04 TRP 255 9984 -57.9 -74.9 10 17.0 -58.0 15 56 318.2 318.2 288.2 318.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5306.00 m Freezing level: 898.81 mb = 1013.37 m = 3324.65 ft Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 32.73 % Est. max temperature: 9.01 C = 48.22 F Sfc-Lift cond lev (LCL): 858.78 mb = 1370.13 m = 4495.11 ft T: -3.33 C 700-500 lapse rate: 5.69 C/km ThetaE index: 1.98 C Layer 925.0- 751.0 mb Conv cond level (CCL): 728.59 mb = 2646.72 m = 8683.35 ft Mean mixing ratio: 2.18 g/kg Conv temperature: 13.62 C = 56.51 F Cap Strength: 10.20 C Lifted Index: 10.79 C Risk: None Lifted Index @300 mb: 18.85 C Lifted Index @700 mb: 4.07 C Showalter Index: 10.96 C Risk: None Total Totals Index: 38.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 14.00 C K Index: -3.10 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.44 J/kg Max Up Vert Vel: 5.73 m/s Conv Inhibition (B-): 30320.31 J/kg Cap Strength: 10.59 C Lift Cond Lev (LCL): 798.15 mb = 1943.15 m = 6375.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 at 7 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 1004 112 250 7 6.6 2.4 | 207 11 5.0 9.7 1 1000 144 250 9 8.5 3.1 | 213 12 6.9 10.4 2 925 778 275 11 11.0 -1.0 | 236 11 9.4 6.4 3 850 1452 235 5 4.1 2.9 | 194 10 2.5 10.2 4 700 2953 265 1 1.0 0.1 | 175 7 -0.6 7.4 5 500 5450 335 21 8.9 -19.0 | 328 14 7.3 -11.7 6 400 7020 360 33 -0.0 -33.0 | 4 26 -1.6 -25.7 7 300 8940 10 50 -8.7 -49.2 | 14 43 -10.3 -41.9 8 255 9984 15 56 -14.5 -54.1 | 19 49 -16.1 -46.8 9 250 10110 10 54 -9.4 -53.2 | 13 47 -11.0 -45.9 10 200 11530 345 31 8.0 -29.9 | 344 24 6.4 -22.6 11 150 13390 325 21 12.0 -17.2 | 313 14 10.4 -9.9 12 100 16000 310 15 11.5 -9.6 | 283 10 9.9 -2.3 13 70 18300 305 15 12.3 -8.6 | 277 11 10.7 -1.3 Wind Parameters Mean winds (0-6000m): 317.7 at 10.0 knts Storm direction: 347.7 at 7.5 knts Shear (0-3000m) pos: 0.9 neg: 1.2 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): -21.9 deg Storm rel helicity (0-3000m) pos: 19.2 neg: -28.1 tot: -8.8 m^2/s^2 ave: -2.9 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 3.3 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.36 Bulk Shear: 12.09 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 ------------------------------------------------------------------------------- 500 259 10 221 12| 4.6 0.0 4.6| 14.5 0.0 14.5 29.0 0.88| 5.4 4.8 1000 264 10 224 12| 2.3 1.7 3.9| 16.9 -11.8 5.2 5.2 0.15| 5.2 0.8 1500 261 9 218 11| 1.5 2.4 3.9| 16.9 -22.8 -5.8 -3.9 -0.16| 4.9 -0.8 2000 259 7 213 10| 1.2 1.8 2.9| 16.9 -24.3 -7.3 -3.7 -0.19| 4.1 -0.8 2500 257 6 208 10| 0.9 1.4 2.4| 16.9 -26.5 -9.6 -3.8 -0.23| 3.6 -0.8 3000 257 6 204 9| 0.9 1.2 2.1| 19.2 -28.1 -8.8 -2.9 -0.19| 3.3 -0.6 4000 267 6 208 9| 1.7 0.9 2.6| 36.2 -28.1 8.2 2.0 0.18| 3.6 0.6 5000 295 7 231 7| 2.3 0.7 3.0| 61.3 -28.1 33.3 6.7 0.39| 4.0 1.5 6000 318 10 271 5| 2.6 0.6 3.2| 93.6 -28.1 65.5 10.9 0.47| 4.2 2.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250502.00.gif