UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050212.upa.cvt Date: 1200Z 2 MAY 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 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 1000 107 12.6 -3.4 33 16.0 5.6 200 9 285.8 286.3 278.7 294.3 2.97 1 993 166 11.6 4.6 62 7.0 8.0 202 9 285.3 286.3 281.5 300.4 5.35 2 925 752 5.6 -0.4 65 6.0 2.9 220 13 285.0 285.7 279.7 296.4 4.01 3 850 1435 -1.3 -5.2 75 3.9 -2.8 210 11 284.8 285.3 278.4 293.5 3.05 4 770 2211 -8.9 -10.5 88 1.6 -9.4 243 12 284.8 285.1 277.3 291.2 2.23 5 760 2312 -6.1 -8.4 84 2.3 -6.9 247 12 288.9 289.3 279.8 296.7 2.67 6 732 2606 -5.9 -11.9 63 6.0 -7.9 260 13 292.2 292.6 280.7 298.5 2.10 7 700 2954 -8.3 -16.3 52 8.0 -10.6 275 13 293.3 293.6 280.4 298.0 1.53 8 624 3837 -13.5 -25.5 36 12.0 -16.0 285 14 297.1 297.3 281.1 299.6 0.77 9 594 4210 -14.7 -26.7 35 12.0 -17.1 290 14 300.0 300.1 282.3 302.3 0.72 10 500 5490 -24.3 -34.3 39 10.0 -25.6 305 15 303.4 303.5 283.3 304.8 0.42 11 452 6213 -30.7 -38.7 45 8.0 -31.5 310 15 304.3 304.3 283.5 305.3 0.30 12 400 7070 -35.3 -43.3 44 8.0 -35.9 315 15 309.1 309.1 285.2 309.9 0.21 13 399 7087 -35.3 -43.3 44 8.0 -35.9 315 15 309.3 309.4 285.4 310.1 0.21 14 300 9010 -49.5 -57.5 39 8.0 -49.7 325 19 315.6 315.6 287.3 315.8 0.05 15 274 9597 -54.3 -62.3 37 8.0 -54.4 320 21 316.9 316.9 287.8 317.0 0.03 16 250 10180 -57.7 -64.7 40 7.0 -57.8 315 23 320.3 320.3 288.9 320.4 0.03 17 232 10647 -60.7 -68.7 34 8.0 -60.8 310 21 322.6 322.6 289.6 322.7 0.02 18 215 11122 -58.9 -66.9 35 8.0 -59.0 300 20 332.5 332.5 292.4 332.6 0.02 19 206 11392 -55.7 -63.7 36 8.0 -55.9 294 19 341.7 341.7 294.7 341.8 0.04 20 200 11580 -55.3 -63.3 36 8.0 -55.5 290 19 345.2 345.2 295.6 345.4 0.04 21 152 13344 -51.5 -59.5 38 8.0 -51.8 285 15 379.9 379.9 302.3 380.3 0.08 22 150 13430 -51.7 -59.7 38 8.0 -52.0 285 15 381.0 381.0 302.5 381.4 0.08 23 119 14928 -54.1 -63.1 32 9.0 -54.4 282 15 402.7 402.7 305.6 403.0 0.07 24 100 16050 -52.7 -61.7 33 9.0 -53.2 280 15 425.9 425.9 308.4 426.4 0.09 25 70 18350 -53.1 -63.1 29 10.0 -53.8 295 13 470.8 470.8 312.8 471.4 0.11 26 54 20023 -52.9 -62.9 29 10.0 -53.8 272 11 507.5 507.6 315.5 508.5 0.15 27 50 20520 -51.9 -61.9 29 10.0 -52.9 265 11 521.2 521.2 316.5 522.4 0.18 28 30 23860 -46.9 -57.9 27 11.0 -49.3 225 9 616.8 617.0 321.5 620.7 0.51 29 24 25343 -45.9 -57.9 25 12.0 -49.0 219 8 660.3 660.6 323.3 665.5 0.64 30 20 26550 -48.5 -60.5 24 12.0 -51.4 215 7 687.7 688.0 324.2 692.4 0.55 31 19 26887 -49.1 -61.1 23 12.0 -52.0 696.0 696.2 324.4 700.7 0.54 32 16 28018 -47.9 -59.9 24 12.0 -51.4 735.0 735.3 325.7 741.8 0.75 33 12 29940 -42.1 -55.1 23 13.0 -48.1 818.6 819.5 328.1 836.8 1.81 34 10 31173 -42.5 -55.5 23 13.0 -48.9 860.9 862.0 329.1 882.9 2.07 TRP 232 10647 -60.7 -68.7 34 8.0 -60.8 310 21 322.6 322.6 289.6 322.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5382.53 m Freezing level: 864.13 mb = 1306.32 m = 4285.77 ft Wetbulb zero: 886.85 mb = 1092.18 m = 3583.22 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 55.51 % Est. max temperature: 11.63 C = 52.94 F Sfc-Lift cond lev (LCL): 783.81 mb = 2071.16 m = 6795.06 ft T: -7.53 C 700-500 lapse rate: 6.31 C/km ThetaE index: 9.12 C Layer 925.0- 760.0 mb Conv cond level (CCL): 863.62 mb = 1306.57 m = 4286.59 ft Mean mixing ratio: 4.43 g/kg Conv temperature: 11.69 C = 53.05 F Cap Strength: 5.44 C Lifted Index: 6.30 C Risk: None Lifted Index @300 mb: 12.77 C Lifted Index @700 mb: 2.46 C Showalter Index: 9.31 C Risk: None Total Totals Index: 42.10 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 19.10 C K Index: 9.80 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 2.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.55 J/kg Max Up Vert Vel: 11.62 m/s Conv Inhibition (B-): 1.23 J/kg Cap Strength: 6.18 C Lift Cond Lev (LCL): 859.57 mb = 1344.61 m = 4411.39 ft Lev Free Conv (LFC): 854.57 mb = 1391.73 m = 4565.99 ft Equ Level (EL): 754.57 mb = 2368.40 m = 7770.23 ft B at Equ Level: 65.05 J/kg Max Parcel Lev (MPL): 684.57 mb = 3125.22 m = 10253.23 ft Wind level data Storm motion: 300 at 10 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 107 200 9 3.1 8.5 | 158 14 -5.4 13.4 1 925 752 220 13 8.4 10.0 | 179 15 -0.1 14.9 2 850 1435 210 11 5.5 9.5 | 168 15 -3.0 14.4 3 700 2954 275 13 13.0 -1.1 | 230 6 4.5 3.8 4 500 5490 305 15 12.3 -8.6 | 314 5 3.8 -3.7 5 400 7070 315 15 10.6 -10.6 | 340 6 2.1 -5.7 6 300 9010 325 19 10.9 -15.6 | 347 11 2.4 -10.6 7 250 10180 315 23 16.3 -16.3 | 326 14 7.8 -11.3 8 232 10647 310 21 16.1 -13.5 | 318 11 7.6 -8.6 9 200 11580 290 19 17.9 -6.5 | 280 9 9.4 -1.6 10 150 13430 285 15 14.5 -3.9 | 260 6 6.0 1.0 11 100 16050 280 15 14.8 -2.6 | 250 7 6.3 2.3 12 70 18350 295 13 11.8 -5.5 | 280 3 3.3 -0.6 13 50 20520 265 11 11.0 1.0 | 203 6 2.5 5.9 14 30 23860 225 9 6.4 6.4 | 169 11 -2.1 11.3 15 20 26550 215 7 4.0 5.7 | 157 12 -4.5 10.7 Wind Parameters Mean winds (0-6000m): 270.1 at 13.1 knts Storm direction: 300.1 at 9.8 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 75.5 deg Storm rel helicity (0-3000m) pos: 49.8 neg: -10.0 tot: 39.8 m^2/s^2 ave: 13.3 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.49 Bulk Shear: 19.34 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 ------------------------------------------------------------------------------- 500 210 11 167 14| 4.3 0.0 4.3| 16.3 0.0 16.3 32.6 0.99| 4.3 4.3 1000 214 12 172 15| 2.2 0.1 2.3| 20.6 -5.1 15.5 15.5 0.60| 3.4 2.1 1500 214 11 172 15| 1.4 0.1 1.4| 24.7 -10.0 14.7 9.8 0.42| 3.2 1.3 2000 217 11 174 14| 2.0 0.1 2.0| 36.1 -10.0 26.1 13.0 0.53| 3.5 1.9 2500 224 12 178 13| 2.3 0.0 2.4| 44.6 -10.0 34.7 13.9 0.58| 3.7 2.2 3000 233 12 184 12| 2.4 0.0 2.5| 49.8 -10.0 39.8 13.3 0.61| 3.8 2.3 4000 247 12 196 10| 2.1 0.0 2.1| 53.5 -10.0 43.5 10.9 0.65| 3.2 2.1 5000 260 13 209 8| 1.9 0.0 1.9| 57.2 -10.0 47.3 9.5 0.69| 2.9 2.0 6000 270 13 223 7| 1.7 0.0 1.7| 60.2 -10.0 50.2 8.4 0.71| 2.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250502.12.gif