UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103000.upa.cvt Date: 0000Z 30 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 30 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 44 225 3 SFC 992 109 4.4 2.6 88 1.8 3.6 225 3 278.2 279.0 277.1 290.9 4.65 2 971 284 4.2 0.5 77 3.7 2.5 228 4 279.7 280.4 277.2 291.0 4.08 3 925 677 1.2 -2.2 78 3.4 -0.2 235 5 280.5 281.1 276.9 290.4 3.51 4 850 1351 -3.3 -5.3 86 2.0 -4.1 250 5 282.7 283.2 277.3 291.3 3.03 5 802 1808 -6.9 -8.6 88 1.7 -7.5 251 7 283.6 284.0 277.0 290.8 2.49 6 792 1906 -6.5 -8.1 88 1.6 -7.1 252 8 285.0 285.5 277.9 292.6 2.62 7 764 2187 -5.9 -12.9 58 7.0 -8.1 253 9 288.6 289.0 278.7 294.2 1.85 8 762 2208 -5.9 -12.9 58 7.0 -8.1 253 10 288.9 289.2 278.8 294.4 1.86 9 700 2866 -11.1 -14.8 74 3.7 -12.2 255 13 290.2 290.5 279.3 295.4 1.73 10 620 3784 -18.5 -21.4 78 2.9 -19.1 253 12 292.0 292.2 279.3 295.4 1.12 11 500 5350 -30.5 -35.5 62 5.0 -31.0 250 11 295.9 295.9 280.0 297.1 0.37 12 454 6030 -36.3 -41.3 60 5.0 -36.7 276 8 296.9 296.9 280.3 297.6 0.23 13 400 6900 -42.5 -47.4 59 4.9 -42.7 310 5 299.8 299.8 281.4 300.2 0.13 14 300 8780 -56.1 -60.2 60 4.1 -56.2 305 7 306.3 306.3 284.0 306.4 0.04 15 277 9287 -59.1 -63.5 57 4.4 -59.2 320 7 309.0 309.0 285.0 309.1 0.03 16 250 9940 -54.7 -59.1 58 4.4 -54.8 290 13 324.7 324.8 290.3 325.0 0.05 17 235 10337 -53.1 -57.8 57 4.7 -53.2 293 16 333.0 333.0 292.6 333.2 0.07 18 222 10704 -51.5 -56.5 55 5.0 -51.7 295 18 340.9 340.9 294.6 341.2 0.08 19 200 11380 -52.1 -59.1 43 7.0 -52.3 300 23 350.3 350.3 296.7 350.5 0.07 20 158 12904 -53.5 -64.5 25 11.0 -53.8 296 25 372.3 372.3 301.0 372.5 0.04 21 150 13240 -51.7 -63.7 22 12.0 -52.1 295 25 381.0 381.0 302.5 381.2 0.05 22 149 13283 -51.7 -63.7 22 12.0 -52.1 295 25 381.7 381.7 302.6 382.0 0.05 23 135 13917 -55.1 -69.1 16 14.0 -55.4 292 26 386.6 386.6 303.3 386.7 0.03 24 117 14826 -56.5 -71.5 13 15.0 -56.8 289 26 400.2 400.2 305.2 400.3 0.02 25 100 15820 -56.9 -72.9 12 16.0 -57.3 285 27 417.8 417.8 307.4 417.9 0.02 26 70 18060 -60.3 -78.3 8 18.0 -60.7 280 25 455.4 455.4 311.4 455.5 0.01 27 65 18522 -60.1 -78.1 8 18.0 -60.5 278 26 465.6 465.6 312.3 465.7 0.01 28 58 19227 -62.9 -80.9 7 18.0 -63.2 274 28 474.7 474.7 313.0 474.7 0.01 29 50 20140 -63.1 -81.1 7 18.0 -63.5 270 31 494.8 494.8 314.6 494.9 0.01 30 30 23230 -68.9 -86.9 6 18.0 -69.2 275 33 556.8 556.8 318.5 556.8 0.01 31 24 24557 -70.7 -88.7 5 18.0 -71.0 267 39 588.3 588.3 320.0 588.3 0.01 32 20 25640 -69.3 -88.3 5 19.0 -69.7 260 44 624.0 624.0 321.6 624.1 0.01 33 19 25946 -69.3 -88.3 5 19.0 -69.7 260 45 633.3 633.3 322.0 633.3 0.01 34 14 27750 -73.1 -91.1 5 18.0 -73.5 263 50 678.2 678.2 323.7 678.2 0.01 35 10 29730 -71.1 -89.1 5 18.0 -71.7 265 56 754.2 754.2 326.0 754.3 0.01 36 8.5 30694 -70.3 -89.3 5 19.0 -71.1 793.2 793.2 327.1 793.3 0.02 TRP 277 9287 -59.1 -63.5 57 4.4 -59.2 320 7 309.0 309.0 285.0 309.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5306.00 m Freezing level: 905.00 mb = 856.73 m = 2810.77 ft Wetbulb zero: 928.58 mb = 645.67 m = 2118.31 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 74.73 % Est. max temperature: 9.04 C = 48.27 F Sfc-Lift cond lev (LCL): 964.78 mb = 335.87 m = 1101.92 ft T: 3.80 C 700-500 lapse rate: 7.81 C/km ThetaE index: 0.64 C Layer 925.0- 850.0 mb Conv cond level (CCL): 869.92 mb = 1166.34 m = 3826.52 ft Mean mixing ratio: 3.78 g/kg Conv temperature: 8.31 C = 46.95 F Cap Strength: 4.42 C Lifted Index: 5.22 C Risk: None Lifted Index @300 mb: 11.09 C Lifted Index @700 mb: 4.06 C Showalter Index: 4.75 C Risk: None Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 25.20 C K Index: 18.20 Risk: < 20 % chance of thunderstorms Sweat Index: 89.00 Risk: None Energy Index: 1.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.57 J/kg Max Up Vert Vel: 4.14 m/s Conv Inhibition (B-): 53850.65 J/kg Cap Strength: 5.12 C Lift Cond Lev (LCL): 895.40 mb = 936.23 m = 3071.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 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 ---------------------------------------------------------- 0 992 109 225 3 2.1 2.1 | 128 6 -4.8 3.7 1 925 677 235 5 4.1 2.9 | 147 5 -2.8 4.4 2 850 1351 250 5 4.7 1.7 | 146 4 -2.2 3.3 3 700 2866 255 13 12.6 3.4 | 229 7 5.6 4.9 4 500 5350 250 11 10.3 3.8 | 213 6 3.4 5.3 5 400 6900 310 5 3.8 -3.2 | 62 4 -3.1 -1.6 6 300 8780 305 7 5.7 -4.0 | 26 3 -1.2 -2.4 7 277 9287 320 7 4.5 -5.4 | 33 5 -2.4 -3.8 8 250 9940 290 13 12.2 -4.4 | 299 6 5.3 -2.9 9 200 11380 300 23 19.9 -11.5 | 307 16 13.0 -9.9 10 150 13240 295 25 22.7 -10.6 | 300 18 15.7 -9.0 11 100 15820 285 27 26.1 -7.0 | 286 20 19.1 -5.4 12 70 18060 280 25 24.6 -4.3 | 279 18 17.7 -2.8 13 50 20140 270 31 31.0 -0.0 | 266 24 24.1 1.6 14 30 23230 275 33 32.9 -2.9 | 273 26 25.9 -1.3 15 20 25640 260 44 43.3 7.6 | 256 38 36.4 9.2 16 10 29730 265 56 55.8 4.9 | 262 49 48.9 6.5 Wind Parameters Mean winds (0-6000m): 252.8 at 9.5 knts Storm direction: 282.8 at 7.1 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 99.7 deg Storm rel helicity (0-3000m) pos: 11.2 neg: -0.4 tot: 10.7 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 2.0 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.76 Bulk Shear: 4.86 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 ------------------------------------------------------------------------------- 500 231 4 136 6| 1.9 0.0 1.9| 2.6 0.0 2.6 5.2 0.93| 1.9 1.8 1000 235 4 141 5| 1.2 0.0 1.2| 2.9 -0.0 2.9 2.9 0.66| 1.5 1.0 1500 240 5 144 5| 1.3 0.0 1.3| 4.3 -0.1 4.2 2.8 0.68| 1.6 1.1 2000 245 5 153 4| 1.7 0.0 1.7| 7.0 -0.1 6.8 3.4 0.77| 1.9 1.5 2500 248 6 167 4| 1.9 0.0 1.9| 9.7 -0.1 9.6 3.8 0.76| 2.1 1.6 3000 250 7 181 4| 1.8 0.0 1.8| 11.2 -0.4 10.7 3.6 0.72| 2.0 1.4 4000 251 9 197 5| 1.3 0.1 1.4| 11.2 -1.9 9.3 2.3 0.60| 1.6 1.0 5000 251 9 203 5| 1.1 0.2 1.2| 11.2 -3.3 7.9 1.6 0.50| 1.4 0.7 6000 253 9 206 5| 0.7 0.2 0.9| 13.2 -3.5 9.7 1.6 0.45| 1.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251030.00.gif