UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112912.upa.cvt Date: 1200Z 29 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 29 NOV 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 72 180 5 SFC 995 112 1.4 0.1 91 1.3 0.8 180 5 274.9 275.6 274.3 285.5 3.87 2 932 635 -1.9 -3.4 89 1.5 -2.5 216 25 276.8 277.3 274.3 285.6 3.19 3 925 695 0.2 -1.0 92 1.2 -0.3 220 27 279.5 280.2 276.7 290.2 3.84 4 910 827 2.8 2.0 94 0.8 2.4 223 28 283.5 284.3 280.0 297.1 4.86 5 850 1380 3.4 1.7 89 1.7 2.6 235 31 289.7 290.6 283.1 304.3 5.09 6 722 2684 -5.3 -7.6 84 2.3 -6.2 231 28 294.0 294.5 282.5 302.9 2.99 7 700 2927 -6.9 -10.7 74 3.8 -8.2 230 27 294.8 295.3 282.3 302.1 2.41 8 671 3255 -9.5 -15.5 62 6.0 -11.3 231 28 295.5 295.8 281.7 300.8 1.70 9 665 3324 -9.5 -17.5 52 8.0 -11.8 231 29 296.3 296.5 281.7 300.8 1.45 10 653 3465 -9.3 -13.5 71 4.2 -10.6 231 29 298.1 298.4 283.2 304.4 2.06 11 630 3741 -10.7 -12.7 85 2.0 -11.3 232 30 299.5 299.9 284.0 306.6 2.28 12 563 4597 -15.3 -18.2 78 2.9 -16.1 233 34 303.9 304.2 284.9 309.1 1.62 13 500 5480 -22.3 -25.2 77 2.9 -22.9 235 38 305.9 306.0 285.0 309.1 0.99 14 420 6737 -31.5 -34.4 75 2.9 -31.9 239 49 309.7 309.8 285.8 311.4 0.49 15 400 7080 -34.9 -38.6 69 3.7 -35.3 240 52 309.6 309.7 285.6 310.8 0.34 16 380 7436 -37.9 -41.7 67 3.8 -38.2 239 55 310.2 310.3 285.7 311.2 0.26 17 371 7602 -37.5 -41.4 67 3.9 -37.8 239 56 312.9 313.0 286.7 313.9 0.27 18 300 9040 -47.5 -52.3 58 4.8 -47.7 235 68 318.4 318.4 288.3 318.8 0.10 19 253 10144 -55.7 -60.7 54 5.0 -55.8 235 68 322.2 322.2 289.5 322.3 0.04 20 250 10220 -55.9 -60.9 53 5.0 -56.0 235 68 323.0 323.0 289.7 323.1 0.04 21 206 11437 -60.3 -65.3 52 5.0 -60.4 235 74 334.4 334.4 292.9 334.6 0.03 22 200 11620 -61.6 -66.8 50 5.2 -61.6 235 75 335.2 335.2 293.2 335.3 0.02 23 181 12232 -65.9 -71.9 43 6.0 -66.0 240 62 337.9 337.9 293.8 338.0 0.01 24 166 12763 -61.3 -67.3 45 6.0 -61.4 240 55 354.1 354.1 297.5 354.2 0.03 25 150 13390 -62.1 -68.1 44 6.0 -62.2 240 46 363.1 363.1 299.3 363.2 0.03 26 105 15590 -64.7 -71.7 38 7.0 -64.8 249 36 397.1 397.1 304.8 397.3 0.02 27 100 15890 -63.3 -70.3 38 7.0 -63.4 250 35 405.4 405.4 305.9 405.6 0.03 28 97 16078 -62.3 -69.3 39 7.0 -62.4 252 33 410.9 410.9 306.6 411.1 0.03 29 81 17184 -66.5 -74.5 32 8.0 -66.6 265 24 424.0 424.0 308.2 424.1 0.02 30 70 18070 -66.3 -74.3 32 8.0 -66.4 275 17 442.5 442.6 310.1 442.7 0.02 31 63 18707 -65.1 -74.1 28 9.0 -65.3 270 20 458.7 458.7 311.7 458.9 0.03 32 51 19973 -70.5 -79.5 25 9.0 -70.6 261 26 474.7 474.7 313.0 474.7 0.01 33 50 20090 -70.3 -79.3 25 9.0 -70.4 260 27 477.8 477.8 313.3 477.9 0.01 34 40 21418 -70.1 -79.1 26 9.0 -70.2 271 27 509.8 509.8 315.7 509.9 0.02 35 32 22727 -76.3 -85.3 23 9.0 -76.4 282 27 526.8 526.8 316.7 526.9 0.01 36 30 23100 -75.7 -84.7 23 9.0 -75.8 285 27 538.3 538.3 317.4 538.3 0.01 37 20 25420 -78.9 -88.9 18 10.0 -79.0 295 42 594.7 594.7 320.3 594.7 0.01 38 13 27850 -82.3 -92.3 16 10.0 -82.4 660.9 660.9 323.1 660.9 0.01 TRP 181 12232 -65.9 -71.9 43 6.0 -66.0 240 62 337.9 337.9 293.8 338.0 0.01 WND 200 11620 -61.6 -66.8 50 5.2 -61.6 235 75 335.2 335.2 293.2 335.3 0.02 Sounding variables and indices 1000-500 mb thick: 5408.00 m Freezing level: 968.27 mb = 334.00 m = 1095.80 ft Freezing level: 925.67 mb = 689.28 m = 2261.38 ft Freezing level: 799.98 mb = 1889.77 m = 6199.95 ft Wetbulb zero: 979.15 mb = 240.56 m = 789.24 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 82.28 % Est. max temperature: 16.30 C = 61.34 F Sfc-Lift cond lev (LCL): 974.98 mb = 274.71 m = 901.27 ft T: 0.37 C 700-500 lapse rate: 6.03 C/km ThetaE index: 3.54 C Layer 722.0- 665.0 mb Conv cond level (CCL): 959.81 mb = 399.99 m = 1312.29 ft Mean mixing ratio: 3.87 g/kg Conv temperature: 2.41 C = 36.34 F Cap Strength: 14.33 C Lifted Index: 14.77 C Risk: None Lifted Index @300 mb: 20.98 C Lifted Index @700 mb: 9.49 C Showalter Index: 3.70 C Risk: None Total Totals Index: 49.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 24.00 C K Index: 23.60 Risk: 20-40 % chance of thunderstorms Sweat Index: 134.40 Risk: None Energy Index: 0.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.52 J/kg Max Up Vert Vel: 9.44 m/s Conv Inhibition (B-): 49808.81 J/kg Cap Strength: 14.73 C Lift Cond Lev (LCL): 927.16 mb = 676.39 m = 2219.10 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 at 23 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 ---------------------------------------------------------- 0 995 112 180 5 0.0 5.0 | 94 23 -22.7 1.8 1 925 695 220 27 17.4 20.7 | 163 18 -5.3 17.5 2 850 1380 235 31 25.4 17.8 | 191 15 2.7 14.6 3 700 2927 230 27 20.7 17.4 | 172 14 -2.0 14.1 4 500 5480 235 38 31.1 21.8 | 204 20 8.4 18.6 5 400 7080 240 52 45.0 26.0 | 224 32 22.3 22.8 6 300 9040 235 68 55.7 39.0 | 223 49 33.0 35.8 7 250 10220 235 68 55.7 39.0 | 223 49 33.0 35.8 8 200 11620 235 75 61.4 43.0 | 224 56 38.7 39.8 9 181 12232 240 62 53.7 31.0 | 228 42 31.0 27.8 10 150 13390 240 46 39.8 23.0 | 221 26 17.1 19.8 11 100 15890 250 35 32.9 12.0 | 229 13 10.2 8.7 12 70 18070 275 17 16.9 -1.5 | 51 7 -5.8 -4.7 13 50 20090 260 27 26.6 4.7 | 249 4 3.9 1.5 14 30 23100 285 27 26.1 -7.0 | 342 11 3.4 -10.2 15 20 25420 295 42 38.1 -17.7 | 324 26 15.4 -21.0 Wind Parameters Mean winds (0-6000m): 231.9 at 30.6 knts Storm direction: 261.9 at 22.9 knts Shear (0-3000m) pos: 4.8 neg: 0.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 80.5 deg Storm rel helicity (0-3000m) pos: 169.4 neg: -17.4 tot: 152.0 m^2/s^2 ave: 50.7 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 1.09 Bulk Shear: 40.88 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 ------------------------------------------------------------------------------- 500 213 14 121 17| 20.5 0.0 20.5|113.8 0.0 113.8 227.6 0.98| 21.6 21.2 1000 220 21 144 16| 13.6 0.0 13.6|153.9 0.0 153.9 153.9 0.97| 15.5 15.0 1500 226 24 158 15| 9.5 0.0 9.5|166.7 -2.4 164.3 109.5 0.93| 11.7 10.9 2000 228 26 165 14| 7.1 0.4 7.5|166.7 -8.3 158.4 79.2 0.85| 9.2 7.8 2500 229 26 168 14| 5.7 0.6 6.3|166.7 -14.0 152.7 61.1 0.77| 7.6 5.9 3000 229 26 169 14| 4.8 0.6 5.3|169.4 -17.4 152.0 50.7 0.73| 6.7 4.9 4000 230 27 173 14| 4.1 0.4 4.6|185.5 -17.4 168.1 42.0 0.75| 5.6 4.2 5000 231 29 178 15| 3.8 0.3 4.1|202.4 -17.4 185.0 37.0 0.75| 4.9 3.7 6000 232 31 185 16| 3.8 0.3 4.0|231.1 -17.4 213.6 35.6 0.74| 4.7 3.5 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251129.12.gif