UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010600.upa.cvt Date: 0000Z 6 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 6 JAN 26 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 1003 110 -16.5 -19.3 79 2.8 -17.0 250 7 256.4 256.6 256.0 258.7 0.83 1 1000 133 -16.7 -21.2 68 4.5 -17.4 250 9 256.5 256.6 255.8 258.4 0.70 2 984 254 -16.1 -20.1 71 4.0 -16.7 258 12 258.2 258.4 257.4 260.4 0.79 3 980 285 -13.9 -17.8 72 3.9 -14.6 260 13 260.8 260.9 259.8 263.4 0.96 4 947 545 -13.3 -16.2 79 2.9 -13.9 278 20 263.9 264.1 262.5 267.1 1.14 5 925 724 -13.9 -17.5 74 3.6 -14.6 290 25 265.1 265.3 263.2 268.0 1.04 6 874 1153 -15.3 -18.5 76 3.2 -15.9 293 28 268.0 268.1 265.2 270.8 1.02 7 850 1363 -17.1 -20.6 74 3.5 -17.7 295 29 268.2 268.4 265.1 270.7 0.87 8 812 1704 -20.3 -23.5 76 3.2 -20.8 297 31 268.4 268.5 264.9 270.4 0.71 9 788 1926 -20.3 -23.5 76 3.2 -20.8 299 33 270.7 270.8 266.5 272.8 0.73 10 772 2078 -20.9 -25.0 70 4.1 -21.5 300 33 271.6 271.7 267.0 273.5 0.65 11 719 2599 -24.3 -35.3 35 11.0 -25.4 304 37 273.5 273.5 267.5 274.3 0.26 12 700 2794 -25.7 -38.7 29 13.0 -26.8 305 38 274.0 274.1 267.8 274.6 0.19 13 660 3217 -28.5 -42.5 25 14.0 -29.5 306 39 275.5 275.5 268.6 276.0 0.14 14 505 5064 -45.5 -54.5 36 9.0 -45.7 310 44 276.8 276.8 269.2 276.9 0.05 15 500 5130 -45.7 -54.7 36 9.0 -45.9 310 44 277.3 277.3 269.6 277.5 0.05 16 436 6031 -51.3 -60.3 33 9.0 -51.4 307 36 281.3 281.3 271.9 281.4 0.03 17 400 6590 -52.5 -62.5 29 10.0 -52.7 305 31 286.8 286.8 275.0 286.8 0.02 18 377 6972 -53.5 -63.5 28 10.0 -53.7 300 30 290.3 290.3 276.9 290.4 0.02 19 357 7321 -55.7 -64.7 32 9.0 -55.8 295 29 291.9 291.9 277.7 292.0 0.02 20 334 7747 -55.1 -65.1 28 10.0 -55.2 293 31 298.4 298.4 280.7 298.4 0.02 21 300 8430 -56.9 -66.9 27 10.0 -57.0 290 35 305.1 305.1 283.5 305.2 0.02 22 250 9580 -57.5 -67.5 27 10.0 -57.6 270 36 320.6 320.6 288.9 320.7 0.02 23 200 10980 -59.5 -69.5 26 10.0 -59.6 275 38 338.5 338.5 294.0 338.6 0.02 24 150 12770 -60.7 -71.7 22 11.0 -60.9 270 36 365.5 365.5 299.8 365.6 0.02 25 100 15260 -65.1 -77.1 18 12.0 -65.3 260 46 401.9 401.9 305.5 402.0 0.01 26 77 16839 -68.5 -80.5 16 12.0 -68.6 260 47 426.1 426.1 308.4 426.1 0.01 27 70 17410 -68.5 -80.5 16 12.0 -68.6 260 48 437.8 437.8 309.7 437.9 0.01 28 50 19420 -69.7 -81.7 16 12.0 -69.8 260 54 479.2 479.2 313.4 479.3 0.01 29 46 19919 -69.3 -81.3 16 12.0 -69.5 259 56 491.8 491.8 314.4 491.8 0.01 30 41 20602 -72.7 -84.7 15 12.0 -72.8 258 59 499.7 499.7 314.9 499.8 0.01 31 30 22450 -70.3 -83.3 13 13.0 -70.5 255 68 553.0 553.0 318.3 553.1 0.01 32 25 23536 -69.3 -82.3 13 13.0 -69.6 250 75 585.4 585.4 319.9 585.5 0.02 33 24 23780 -69.1 -82.1 14 13.0 -69.4 592.9 592.9 320.3 593.1 0.02 TRP 357 7321 -55.7 -64.7 32 9.0 -55.8 295 29 291.9 291.9 277.7 292.0 0.02 WND 25 23536 -69.3 -82.3 13 13.0 -69.6 250 75 585.4 585.4 319.9 585.5 0.02 Sounding variables and indices 1000-500 mb thick: 4997.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 49.09 % Est. max temperature: -4.72 C = 23.50 F Sfc-Lift cond lev (LCL): 958.09 mb = 456.90 m = 1498.99 ft T: -13.50 C 700-500 lapse rate: 8.56 C/km ThetaE index: 0.43 C Layer 850.0- 788.0 mb Conv cond level (CCL): 821.65 mb = 1615.75 m = 5300.96 ft Mean mixing ratio: 0.99 g/kg Conv temperature: -4.59 C = 23.74 F Cap Strength: 9.68 C Lifted Index: 10.00 C Risk: None Lifted Index @300 mb: 28.28 C Lifted Index @700 mb: 8.67 C Showalter Index: 5.61 C Risk: None Total Totals Index: 53.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.60 C Cross Totals Index: 25.10 C K Index: -5.00 Risk: None Sweat Index: 196.00 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.00 J/kg Max Up Vert Vel: 8.37 m/s Conv Inhibition (B-): 44880.43 J/kg Cap Strength: 9.72 C Lift Cond Lev (LCL): 899.57 mb = 935.12 m = 3067.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 26 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 1003 110 250 7 6.6 2.4 | 169 27 -5.0 26.2 1 1000 133 250 9 8.5 3.1 | 173 27 -3.2 26.8 2 925 724 290 25 23.5 -8.6 | 218 19 11.9 15.2 3 850 1363 295 29 26.3 -12.3 | 232 19 14.7 11.5 4 700 2794 305 38 31.1 -21.8 | 264 20 19.5 2.0 5 500 5130 310 44 33.7 -28.3 | 282 23 22.1 -4.5 6 400 6590 305 31 25.4 -17.8 | 246 15 13.8 6.0 7 357 7321 295 29 26.3 -12.3 | 232 19 14.7 11.5 8 300 8430 290 35 32.9 -12.0 | 241 24 21.3 11.8 9 250 9580 270 36 36.0 -0.0 | 226 34 24.4 23.8 10 200 10980 275 38 37.9 -3.3 | 232 33 26.2 20.5 11 150 12770 270 36 36.0 -0.0 | 226 34 24.4 23.8 12 100 15260 260 46 45.3 8.0 | 227 46 33.7 31.8 13 70 17410 260 48 47.3 8.3 | 228 48 35.6 32.1 14 50 19420 260 54 53.2 9.4 | 231 53 41.6 33.1 15 30 22450 255 68 65.7 17.6 | 233 68 54.1 41.4 Wind Parameters Mean winds (0-6000m): 303.9 at 35.3 knts Storm direction: 333.9 at 26.5 knts Shear (0-3000m) pos: 6.1 neg: 0.0 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 97.7 deg Storm rel helicity (0-3000m) pos: 209.8 neg: 0.0 tot: 209.8 m^2/s^2 ave: 69.9 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 6.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.47 Bulk Shear: 74.49 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 ------------------------------------------------------------------------------- 500 273 15 189 23| 16.9 0.0 16.9|108.4 0.0 108.4 216.9 0.94| 18.1 17.0 1000 285 20 203 20| 11.7 0.0 11.7|142.9 0.0 142.9 142.9 0.93| 12.7 11.9 1500 289 23 213 19| 9.0 0.0 9.0|160.9 0.0 160.9 107.3 0.94| 9.7 9.2 2000 292 25 220 18| 7.6 0.0 7.6|179.1 0.0 179.1 89.6 0.95| 8.3 7.8 2500 295 27 228 18| 6.8 0.0 6.8|198.1 0.0 198.1 79.2 0.95| 7.4 7.0 3000 297 29 234 18| 6.1 0.0 6.1|209.8 0.0 209.8 69.9 0.95| 6.6 6.3 4000 300 32 245 18| 4.9 0.0 4.9|224.6 0.0 224.6 56.2 0.95| 5.3 5.0 5000 303 34 253 18| 4.2 0.0 4.2|240.1 0.0 240.1 48.0 0.95| 4.6 4.3 6000 304 35 257 18| 3.5 0.8 4.3|240.1 -35.9 204.2 34.0 0.66| 4.6 3.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260106.00.gif