UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 11 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 ------------------------------------------------------------------------------- 0 1000 38 180 1 SFC 992 105 8.6 8.0 96 0.6 8.3 180 1 282.4 283.6 281.8 301.1 6.79 2 961 367 8.4 6.2 86 2.2 7.2 200 5 284.8 285.8 282.2 302.0 6.19 3 925 682 5.8 3.5 85 2.3 4.6 225 9 285.2 286.2 281.4 300.2 5.32 4 850 1370 2.0 0.7 91 1.3 1.4 220 11 288.2 289.1 282.1 301.8 4.73 5 764 2222 -3.9 -4.9 93 1.0 -4.3 225 14 290.8 291.4 281.7 301.0 3.47 6 752 2347 -4.1 -5.0 93 0.9 -4.5 226 15 291.9 292.5 282.3 302.2 3.50 7 700 2910 -6.3 -10.8 70 4.5 -7.9 230 17 295.5 295.9 282.5 302.8 2.39 8 680 3136 -7.3 -15.3 53 8.0 -9.8 230 19 296.9 297.2 282.3 302.1 1.71 9 662 3345 -7.9 -10.8 80 2.9 -8.9 229 20 298.5 298.9 283.9 306.2 2.53 10 573 4455 -13.3 -18.3 66 5.0 -14.7 227 28 304.7 305.0 285.2 309.8 1.58 11 555 4698 -14.1 -28.1 30 14.0 -17.0 227 29 306.6 306.7 284.9 308.9 0.68 12 547 4808 -14.9 -32.9 20 18.0 -18.1 226 30 306.9 307.0 284.7 308.4 0.44 13 503 5436 -19.9 -29.9 41 10.0 -21.7 225 35 308.2 308.4 285.5 310.4 0.64 14 500 5480 -20.1 -30.1 41 10.0 -21.9 225 35 308.5 308.7 285.5 310.7 0.63 15 478 5811 -22.5 -38.5 22 16.0 -24.6 223 37 309.6 309.6 285.5 310.6 0.29 16 420 6744 -29.3 -35.3 56 6.0 -30.0 217 42 312.5 312.6 286.8 314.1 0.45 17 400 7090 -31.9 -38.9 50 7.0 -32.6 215 44 313.5 313.6 287.0 314.7 0.33 18 353 7962 -37.9 -45.9 43 8.0 -38.4 213 51 316.9 316.9 287.9 317.5 0.18 19 300 9060 -47.3 -53.7 48 6.4 -47.6 210 60 318.6 318.7 288.4 319.0 0.09 20 288 9329 -49.7 -55.7 49 6.0 -49.9 213 58 319.0 319.0 288.5 319.3 0.07 21 262 9946 -52.5 -58.5 48 6.0 -52.7 220 52 323.6 323.7 289.9 323.9 0.05 22 259 10021 -52.7 -58.7 48 6.0 -52.8 220 50 324.4 324.4 290.2 324.6 0.05 23 250 10250 -52.1 -58.1 48 6.0 -52.2 220 42 328.6 328.6 291.4 328.9 0.06 24 238 10569 -50.5 -56.5 49 6.0 -50.7 224 40 335.7 335.7 293.3 336.0 0.08 25 200 11700 -50.5 -58.5 38 8.0 -50.8 240 31 352.8 352.8 297.3 353.1 0.07 26 164 12997 -49.1 -61.1 23 12.0 -49.6 254 23 375.8 375.8 301.6 376.0 0.06 27 150 13580 -51.1 -64.1 20 13.0 -51.5 260 19 382.0 382.0 302.6 382.2 0.05 28 143 13889 -53.3 -67.3 17 14.0 -53.7 264 18 383.4 383.4 302.8 383.6 0.03 29 133 14356 -51.7 -66.7 15 15.0 -52.2 270 16 394.3 394.3 304.5 394.5 0.04 30 116 15235 -55.1 -71.1 12 16.0 -55.5 282 13 403.8 403.8 305.7 403.9 0.02 31 100 16180 -55.5 -72.5 10 17.0 -55.9 295 9 420.5 420.5 307.8 420.6 0.02 32 79 17671 -59.1 -77.1 8 18.0 -59.5 305 10 442.4 442.4 310.1 442.5 0.01 33 70 18430 -59.1 -77.1 8 18.0 -59.5 310 11 457.9 458.0 311.6 458.0 0.02 34 50 20530 -61.9 -79.9 7 18.0 -62.3 345 11 497.6 497.6 314.8 497.7 0.01 35 49 20656 -62.7 -80.7 7 18.0 -63.1 345 11 498.6 498.6 314.8 498.7 0.01 36 30 23690 -64.1 -83.1 6 19.0 -64.6 350 5 569.9 569.9 319.2 570.0 0.01 37 27 24335 -64.1 -83.1 6 19.0 -64.7 587.3 587.3 320.0 587.4 0.01 TRP 262 9946 -52.5 -58.5 48 6.0 -52.7 220 52 323.6 323.7 289.9 323.9 0.05 WND 300 9060 -47.3 -53.7 48 6.4 -47.6 210 60 318.6 318.7 288.4 319.0 0.09 Sounding variables and indices 1000-500 mb thick: 5442.00 m Freezing level: 820.85 mb = 1658.75 m = 5442.02 ft Wetbulb zero: 829.31 mb = 1566.79 m = 5140.33 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 72.24 % Est. max temperature: 14.66 C = 58.39 F Sfc-Lift cond lev (LCL): 983.03 mb = 179.76 m = 589.76 ft T: 8.54 C 700-500 lapse rate: 5.37 C/km ThetaE index: 1.85 C Layer 925.0- 850.0 mb Conv cond level (CCL): 891.60 mb = 981.22 m = 3219.17 ft Mean mixing ratio: 5.78 g/kg Conv temperature: 12.74 C = 54.93 F Cap Strength: 7.97 C Lifted Index: 8.12 C Risk: None Lifted Index @300 mb: 12.59 C Lifted Index @700 mb: 2.53 C Showalter Index: 7.65 C Risk: None Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.80 C K Index: 18.30 Risk: < 20 % chance of thunderstorms Sweat Index: 65.40 Risk: None Energy Index: 1.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.84 J/kg Max Up Vert Vel: 4.87 m/s Conv Inhibition (B-): 37210.45 J/kg Cap Strength: 7.97 C Lift Cond Lev (LCL): 913.97 mb = 779.59 m = 2557.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 15 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 ---------------------------------------------------------- 0 992 105 180 1 0.0 1.0 | 79 15 -14.8 -2.8 1 925 682 225 9 6.4 6.4 | 107 9 -8.5 2.5 2 850 1370 220 11 7.1 8.4 | 121 9 -7.7 4.6 3 700 2910 230 17 13.0 10.9 | 166 7 -1.8 7.1 4 500 5480 225 35 24.7 24.7 | 205 23 9.9 20.9 5 400 7090 215 44 25.2 36.0 | 198 34 10.4 32.2 6 300 9060 210 60 30.0 52.0 | 198 50 15.2 48.1 7 262 9946 220 52 33.4 39.8 | 207 41 18.6 36.0 8 250 10250 220 42 27.0 32.2 | 203 31 12.2 28.3 9 200 11700 240 31 26.8 15.5 | 226 17 12.0 11.7 10 150 13580 260 19 18.7 3.3 | 278 4 3.9 -0.5 11 100 16180 295 9 8.2 -3.8 | 41 10 -6.7 -7.6 12 70 18430 310 11 8.4 -7.1 | 30 13 -6.4 -10.9 13 50 20530 345 11 2.8 -10.6 | 40 19 -12.0 -14.5 14 30 23690 350 5 0.9 -4.9 | 58 16 -13.9 -8.8 Wind Parameters Mean winds (0-6000m): 225.5 at 20.4 knts Storm direction: 255.5 at 15.3 knts Shear (0-3000m) pos: 2.8 neg: 0.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 95.0 deg Storm rel helicity (0-3000m) pos: 41.0 neg: 0.0 tot: 41.0 m^2/s^2 ave: 13.7 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.35 Bulk Shear: 33.81 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 ------------------------------------------------------------------------------- 500 220 4 88 12| 7.4 0.0 7.4| 19.4 0.0 19.4 38.7 0.72| 7.9 5.7 1000 222 7 97 10| 4.9 0.0 4.9| 23.8 0.0 23.8 23.8 0.72| 5.3 3.8 1500 222 8 104 10| 3.3 0.6 3.8| 27.8 0.0 27.8 18.5 0.75| 4.2 3.1 2000 222 9 110 9| 3.0 0.4 3.4| 32.0 0.0 32.0 16.0 0.78| 3.7 2.8 2500 224 11 117 8| 2.8 0.3 3.1| 36.2 0.0 36.2 14.5 0.80| 3.4 2.7 3000 225 12 123 8| 2.8 0.3 3.0| 41.0 0.0 41.0 13.7 0.82| 3.3 2.7 4000 226 14 142 7| 2.1 1.1 3.2| 52.2 0.0 52.2 13.0 0.75| 3.4 2.5 5000 226 17 164 8| 1.7 1.6 3.3| 61.8 0.0 61.8 12.4 0.66| 3.4 2.2 6000 225 20 179 10| 1.4 1.9 3.3| 64.5 -7.9 56.7 9.4 0.53| 3.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251011.00.gif