UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 20 APR 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 1000 113 5.6 0.6 70 5.0 3.4 90 7 278.8 279.4 276.5 289.8 3.99 1 998 129 7.2 1.2 66 6.0 4.5 90 7 280.5 281.2 277.7 292.1 4.18 2 973 336 4.0 -2.0 65 6.0 1.5 88 11 279.3 279.9 276.0 288.8 3.39 3 925 744 1.0 -3.7 71 4.7 -0.9 85 19 280.3 280.9 276.2 289.2 3.14 4 920 788 0.8 -3.8 71 4.6 -1.0 87 19 280.6 281.1 276.3 289.4 3.13 5 904 929 2.4 -2.2 72 4.6 0.4 93 17 283.6 284.2 278.5 293.8 3.59 6 887 1083 4.0 -2.0 65 6.0 1.4 100 16 286.8 287.5 280.2 297.5 3.72 7 850 1429 3.0 -7.0 48 10.0 -0.9 115 13 289.3 289.8 280.0 297.1 2.66 8 837 1554 2.0 -9.0 44 11.0 -2.1 126 13 289.5 289.9 279.7 296.4 2.31 9 804 1878 2.6 -10.4 38 13.0 -2.2 155 13 293.5 293.9 281.3 300.0 2.15 10 788 2040 0.8 -13.2 34 14.0 -4.0 170 13 293.3 293.6 280.7 298.6 1.75 11 771 2215 -1.3 -14.3 36 13.0 -5.5 185 13 292.8 293.1 280.4 297.8 1.64 12 758 2351 0.0 -10.0 47 10.0 -3.7 198 13 295.7 296.1 282.5 302.8 2.36 13 716 2805 -2.3 -6.1 75 3.8 -3.8 239 13 298.0 298.6 284.7 308.2 3.38 14 700 2984 -3.7 -6.9 78 3.2 -5.0 255 13 298.4 299.0 284.7 308.2 3.25 15 678 3235 -5.3 -8.0 81 2.7 -6.4 255 15 299.3 299.9 284.8 308.7 3.08 16 656 3495 -5.1 -7.6 83 2.5 -6.1 255 17 302.4 303.0 286.2 312.5 3.29 17 584 4398 -10.7 -13.2 82 2.5 -11.6 255 24 306.1 306.5 286.6 313.6 2.37 18 572 4558 -12.1 -14.5 82 2.4 -12.9 255 25 306.3 306.7 286.5 313.2 2.17 19 555 4787 -15.3 -18.3 78 3.0 -16.2 255 27 305.1 305.4 285.4 310.4 1.63 20 500 5570 -19.1 -23.3 69 4.2 -20.1 255 33 309.8 310.0 286.6 313.6 1.17 21 484 5811 -20.9 -25.1 69 4.2 -21.8 252 33 310.4 310.6 286.7 313.9 1.03 22 400 7190 -31.7 -36.7 61 5.0 -32.3 235 33 313.8 313.9 287.2 315.3 0.41 23 333 8454 -41.1 -48.1 47 7.0 -41.5 238 33 317.8 317.8 288.2 318.4 0.15 24 300 9150 -47.9 -55.9 39 8.0 -48.1 240 33 317.8 317.9 288.1 318.1 0.07 25 264 9983 -55.1 -63.1 36 8.0 -55.2 233 39 319.1 319.1 288.5 319.3 0.03 26 250 10330 -57.3 -65.3 36 8.0 -57.4 230 42 320.9 320.9 289.0 321.0 0.02 27 245 10457 -58.5 -67.5 30 9.0 -58.6 232 41 320.9 320.9 289.0 321.0 0.02 28 213 11323 -63.9 -72.9 28 9.0 -64.0 245 33 325.6 325.7 290.5 325.7 0.01 29 209 11439 -64.1 -73.1 28 9.0 -64.1 245 34 327.1 327.1 290.9 327.1 0.01 30 204 11588 -61.5 -69.5 34 8.0 -61.6 245 34 333.5 333.5 292.7 333.5 0.02 31 200 11710 -61.3 -69.3 34 8.0 -61.4 245 35 335.7 335.7 293.3 335.8 0.02 32 181 12340 -55.3 -64.3 32 9.0 -55.5 252 34 355.2 355.2 297.8 355.4 0.04 33 152 13464 -52.7 -62.7 29 10.0 -53.0 264 33 377.8 377.8 301.9 378.1 0.05 34 150 13550 -52.7 -62.7 29 10.0 -53.0 265 33 379.3 379.3 302.2 379.5 0.06 35 117 15144 -54.9 -64.9 28 10.0 -55.2 277 29 403.1 403.2 305.6 403.4 0.05 36 100 16150 -53.3 -64.3 25 11.0 -53.8 285 27 424.7 424.8 308.3 425.1 0.07 37 70 18440 -54.7 -64.7 28 10.0 -55.2 285 21 467.4 467.4 312.4 467.9 0.09 38 64 19016 -52.7 -64.7 22 12.0 -53.5 483.9 483.9 313.8 484.5 0.10 TRP 213 11323 -63.9 -72.9 28 9.0 -64.0 245 33 325.6 325.7 290.5 325.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5457.29 m Freezing level: 781.52 mb = 2106.74 m = 6911.80 ft Freezing level: 758.00 mb = 2350.57 m = 7711.77 ft Freezing level: 758.00 mb = 2350.57 m = 7711.77 ft Wetbulb zero: 942.60 mb = 592.03 m = 1942.34 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 67.69 % Est. max temperature: 16.14 C = 61.05 F Sfc-Lift cond lev (LCL): 925.94 mb = 735.85 m = 2414.17 ft T: 1.06 C 700-500 lapse rate: 5.96 C/km ThetaE index: 3.34 C Layer 973.0- 925.0 mb Conv cond level (CCL): 620.14 mb = 3931.60 m = 12898.79 ft Mean mixing ratio: 3.43 g/kg Conv temperature: 31.04 C = 87.88 F Cap Strength: 15.76 C Lifted Index: 17.09 C Risk: None Lifted Index @300 mb: 19.76 C Lifted Index @700 mb: 11.87 C Showalter Index: 11.91 C Risk: None Total Totals Index: 34.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 12.10 C K Index: 11.90 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 3.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.79 J/kg Max Up Vert Vel: 5.06 m/s Conv Inhibition (B-): 27870.54 J/kg Cap Strength: 16.91 C Lift Cond Lev (LCL): 874.01 mb = 1202.86 m = 3946.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 274 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 1000 113 90 7 -7.0 0.0 | 92 22 -21.6 0.9 1 1000 112 90 7 -7.0 0.0 | 92 22 -21.6 0.9 2 925 744 85 19 -18.9 -1.7 | 89 34 -33.6 -0.7 3 850 1429 115 13 -11.8 5.5 | 104 27 -26.4 6.4 4 700 2984 255 13 12.6 3.4 | 154 5 -2.1 4.3 5 500 5570 255 33 31.9 8.5 | 241 20 17.2 9.5 6 400 7190 235 33 27.0 18.9 | 212 23 12.4 19.8 7 300 9150 240 33 28.6 16.5 | 219 22 13.9 17.4 8 250 10330 230 42 32.2 27.0 | 212 33 17.5 27.9 9 213 11323 245 33 29.9 13.9 | 226 21 15.3 14.9 10 200 11710 245 35 31.7 14.8 | 227 23 17.1 15.7 11 150 13550 265 33 32.9 2.9 | 258 19 18.2 3.8 12 100 16150 285 27 26.1 -7.0 | 298 13 11.4 -6.1 13 70 18440 285 21 20.3 -5.4 | 309 7 5.6 -4.5 Wind Parameters Mean winds (0-6000m): 243.6 at 19.6 knts Storm direction: 273.6 at 14.7 knts Shear (0-3000m) pos: 5.2 neg: 1.6 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 73.6 deg Storm rel helicity (0-3000m) pos: 172.0 neg: -12.4 tot: 159.5 m^2/s^2 ave: 53.2 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.10 Bulk Shear: 124.56 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 87 12 91 26| 0.0 9.8 9.8| 0.0 -9.4 -9.4 -18.7 -0.14| 9.8 -1.4 1000 89 15 91 29| 2.2 4.9 7.1| 40.5 -12.4 28.0 28.0 0.18| 8.8 1.6 1500 96 14 95 29| 4.1 3.3 7.3| 89.6 -12.4 77.2 51.5 0.39| 8.6 3.4 2000 107 14 100 29| 5.4 2.4 7.9|143.7 -12.4 131.2 65.6 0.52| 9.1 4.7 2500 115 14 104 28| 5.6 2.0 7.6|168.3 -12.4 155.9 62.4 0.52| 9.4 4.9 3000 116 14 105 28| 5.2 1.6 6.8|172.0 -12.4 159.5 53.2 0.47| 9.3 4.4 4000 180 15 137 21| 3.9 0.3 4.2|181.5 -12.4 169.1 42.3 0.51| 7.9 4.1 5000 233 17 175 11| 3.1 0.6 3.8|191.1 -12.4 178.7 35.7 0.50| 7.1 3.5 6000 244 20 197 10| 2.6 0.9 3.5|194.9 -31.6 163.3 27.2 0.41| 6.6 2.7 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250420.12.gif