UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 20 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 ------------------------------------------------------------------------------- SFC 1001 109 3.6 0.9 82 2.7 2.4 250 9 276.7 277.4 275.5 287.8 4.07 1 1000 117 4.0 0.5 78 3.5 2.5 250 9 277.1 277.8 275.6 288.0 3.96 2 970 365 3.4 0.1 79 3.3 2.0 252 18 279.0 279.6 276.6 289.9 3.97 3 925 748 0.4 -3.1 77 3.5 -1.0 255 33 279.7 280.3 276.1 288.9 3.28 4 918 809 -0.3 -3.6 78 3.3 -1.6 256 32 279.6 280.2 275.9 288.5 3.19 5 915 835 -0.3 -3.6 78 3.3 -1.6 257 32 279.9 280.4 276.0 288.8 3.20 6 905 923 0.8 -4.2 69 5.0 -1.2 259 30 281.9 282.4 277.0 290.6 3.09 7 882 1129 -0.3 -8.3 55 8.0 -3.1 263 27 282.8 283.2 276.4 289.5 2.31 8 850 1424 -1.5 -8.5 59 7.0 -4.0 270 23 284.6 285.0 277.4 291.4 2.36 9 718 2749 -9.5 -13.4 73 3.9 -10.7 270 16 289.9 290.2 279.3 295.5 1.89 10 700 2945 -9.7 -13.1 76 3.4 -10.8 270 15 291.7 292.1 280.3 297.7 1.99 11 690 3056 -10.1 -13.3 77 3.2 -11.1 270 15 292.5 292.9 280.7 298.5 1.99 12 680 3169 -9.7 -13.1 76 3.4 -10.8 270 16 294.2 294.5 281.5 300.4 2.05 13 610 4001 -13.1 -22.1 47 9.0 -15.3 270 19 299.5 299.7 282.5 303.0 1.07 14 608 4026 -13.3 -23.3 43 10.0 -15.6 270 19 299.6 299.8 282.5 302.7 0.96 15 500 5480 -25.5 -31.5 57 6.0 -26.3 270 25 301.9 302.0 282.9 303.8 0.55 16 424 6655 -34.7 -38.6 68 3.9 -35.0 274 25 304.8 304.8 283.7 305.9 0.32 17 400 7060 -36.9 -40.5 69 3.6 -37.2 275 25 307.0 307.1 284.6 308.0 0.28 18 300 8990 -51.1 -54.6 66 3.5 -51.2 280 31 313.3 313.3 286.6 313.6 0.08 19 250 10150 -58.5 -62.1 63 3.6 -58.6 290 35 319.1 319.1 288.5 319.2 0.04 20 226 10780 -62.5 -66.0 63 3.5 -62.6 285 35 322.3 322.3 289.5 322.4 0.02 21 215 11089 -62.5 -66.1 62 3.6 -62.6 287 35 327.0 327.0 290.9 327.1 0.02 22 203 11446 -59.1 -62.9 61 3.8 -59.2 289 35 337.7 337.7 293.8 337.9 0.04 23 200 11540 -59.1 -62.9 61 3.8 -59.2 290 35 339.2 339.2 294.1 339.3 0.04 24 150 13360 -54.3 -59.0 56 4.7 -54.5 285 27 376.5 376.5 301.8 376.9 0.09 25 147 13489 -54.1 -59.1 54 5.0 -54.3 285 27 379.0 379.1 302.2 379.5 0.09 26 119 14830 -58.5 -64.5 46 6.0 -58.7 288 22 394.6 394.6 304.5 394.8 0.06 27 110 15327 -56.1 -63.1 41 7.0 -56.3 289 21 408.1 408.1 306.3 408.4 0.07 28 100 15930 -57.7 -65.7 35 8.0 -57.9 290 19 416.2 416.3 307.3 416.5 0.06 29 86 16882 -58.3 -67.3 31 9.0 -58.6 284 16 433.4 433.4 309.2 433.7 0.05 30 77 17571 -62.9 -71.9 29 9.0 -63.1 279 13 437.7 437.7 309.7 437.9 0.03 31 70 18160 -61.5 -71.5 25 10.0 -61.7 275 11 452.8 452.8 311.1 453.0 0.04 32 66 18525 -60.9 -70.9 26 10.0 -61.2 276 10 461.8 461.8 312.0 462.0 0.04 33 62 18913 -61.9 -71.9 25 10.0 -62.2 277 10 467.9 467.9 312.5 468.1 0.04 34 50 20240 -63.5 -74.5 21 11.0 -63.8 280 7 493.8 493.9 314.5 494.0 0.03 35 30 23370 -63.1 -75.1 18 12.0 -63.6 260 29 572.6 572.6 319.3 573.0 0.05 36 20 25850 -64.9 -77.9 15 13.0 -65.5 245 27 637.5 637.5 322.2 637.9 0.05 37 17 26834 -66.9 -79.9 14 13.0 -67.5 246 31 661.4 661.4 323.1 661.7 0.04 38 14 28013 -63.9 -77.9 13 14.0 -64.9 248 36 709.4 709.4 324.7 709.9 0.07 39 13 28464 -66.7 -79.7 14 13.0 -67.5 248 38 714.9 714.9 324.9 715.3 0.05 40 10 30060 -63.5 -78.5 11 15.0 -64.9 250 44 782.5 782.6 326.8 783.3 0.08 41 7.5 31841 -60.1 -75.1 12 15.0 -62.6 863.4 863.5 328.7 865.4 0.19 TRP 226 10780 -62.5 -66.0 63 3.5 -62.6 285 35 322.3 322.3 289.5 322.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5363.00 m Freezing level: 921.00 mb = 782.75 m = 2568.03 ft Freezing level: 912.27 mb = 858.98 m = 2818.15 ft Freezing level: 888.27 mb = 1072.98 m = 3520.22 ft Wetbulb zero: 940.00 mb = 618.17 m = 2028.09 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 62.52 % Est. max temperature: 11.45 C = 52.61 F Sfc-Lift cond lev (LCL): 960.03 mb = 447.92 m = 1469.53 ft T: 2.75 C 700-500 lapse rate: 6.23 C/km ThetaE index: 1.41 C Layer 925.0- 915.0 mb Conv cond level (CCL): 813.65 mb = 1767.09 m = 5797.48 ft Mean mixing ratio: 3.61 g/kg Conv temperature: 12.89 C = 55.20 F Cap Strength: 11.26 C Lifted Index: 11.28 C Risk: None Lifted Index @300 mb: 17.08 C Lifted Index @700 mb: 6.39 C Showalter Index: 9.64 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 17.00 C K Index: 12.10 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 2.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.13 J/kg Max Up Vert Vel: 4.72 m/s Conv Inhibition (B-): 66950.95 J/kg Cap Strength: 11.25 C Lift Cond Lev (LCL): 899.46 mb = 972.19 m = 3189.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 16 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 1001 109 250 9 8.5 3.1 | 151 12 -5.7 10.4 1 1000 117 250 9 8.5 3.1 | 151 12 -5.7 10.4 2 925 748 255 33 31.9 8.5 | 228 24 17.7 15.8 3 850 1424 270 23 23.0 -0.0 | 230 11 8.8 7.3 4 700 2945 270 15 15.0 -0.0 | 187 7 0.8 7.3 5 500 5480 270 25 25.0 -0.0 | 236 13 10.8 7.3 6 400 7060 275 25 24.9 -2.2 | 245 12 10.7 5.1 7 300 8990 280 31 30.5 -5.4 | 263 16 16.4 1.9 8 250 10150 290 35 32.9 -12.0 | 284 19 18.7 -4.7 9 226 10780 285 35 33.8 -9.1 | 275 20 19.6 -1.8 10 200 11540 290 35 32.9 -12.0 | 284 19 18.7 -4.7 11 150 13360 285 27 26.1 -7.0 | 269 12 11.9 0.3 12 100 15930 290 19 17.9 -6.5 | 258 4 3.7 0.8 13 70 18160 275 11 11.0 -1.0 | 153 7 -3.2 6.3 14 50 20240 280 7 6.9 -1.2 | 130 9 -7.3 6.1 15 30 23370 260 29 28.6 5.0 | 229 19 14.4 12.3 16 20 25850 245 27 24.5 11.4 | 209 21 10.3 18.7 17 10 30060 250 44 41.3 15.0 | 231 35 27.2 22.3 Wind Parameters Mean winds (0-6000m): 267.3 at 21.2 knts Storm direction: 297.3 at 15.9 knts Shear (0-3000m) pos: 2.4 neg: 1.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 40.3 deg Storm rel helicity (0-3000m) pos: 83.9 neg: -15.9 tot: 68.0 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.52 Bulk Shear: 4.41 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 ------------------------------------------------------------------------------- 500 253 18 194 13| 19.3 0.0 19.3| 58.9 0.0 58.9 117.7 0.86| 19.4 16.7 1000 256 24 215 16| 9.8 0.0 9.8| 82.7 0.0 82.7 82.7 0.70| 15.1 10.5 1500 259 24 220 15| 4.8 0.0 4.8| 83.0 -2.7 80.3 53.6 0.55| 12.3 6.7 2000 262 23 220 14| 3.6 0.7 4.3| 83.0 -7.8 75.3 37.6 0.46| 9.9 4.6 2500 263 22 219 13| 2.9 1.1 3.9| 83.0 -12.9 70.2 28.1 0.37| 8.5 3.2 3000 264 21 216 12| 2.4 1.1 3.5| 83.9 -15.9 68.0 22.7 0.33| 7.4 2.5 4000 265 20 214 11| 1.8 0.3 2.1| 91.5 -15.9 75.6 18.9 0.38| 6.1 2.3 5000 266 21 216 11| 1.4 0.2 1.6| 99.2 -15.9 83.3 16.7 0.40| 5.3 2.1 6000 267 21 220 11| 1.3 0.1 1.5|104.4 -15.9 88.5 14.8 0.42| 4.6 1.9 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251020.00.gif