UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011412.upa.cvt Date: 1200Z 14 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 14 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 1012 108 -9.1 -11.0 86 1.9 -9.6 70 1 263.2 263.4 262.9 267.5 1.63 1 1000 200 -9.5 -12.4 79 2.9 -10.2 115 3 263.6 263.9 262.9 267.6 1.47 2 992 263 -9.3 -12.2 79 2.9 -10.0 124 3 264.5 264.7 263.6 268.5 1.51 3 966 471 -6.5 -8.6 85 2.1 -7.1 155 5 269.3 269.6 268.0 274.9 2.06 4 937 711 -7.3 -10.0 81 2.7 -8.1 190 6 270.8 271.2 268.7 276.1 1.90 5 925 812 -8.1 -11.5 76 3.4 -9.0 205 7 271.0 271.3 268.5 275.8 1.71 6 850 1462 -13.3 -15.4 84 2.1 -13.8 195 13 272.2 272.4 268.7 276.0 1.36 7 832 1625 -14.1 -16.1 85 2.0 -14.6 197 13 273.0 273.3 269.1 276.7 1.31 8 822 1717 -12.5 -14.4 86 1.9 -13.0 198 14 275.7 275.9 271.1 280.0 1.52 9 806 1867 -10.5 -15.2 68 4.7 -11.7 200 14 279.4 279.6 273.2 283.6 1.45 10 779 2130 -8.9 -20.9 37 12.0 -11.6 204 15 283.8 284.0 274.9 286.6 0.93 11 775 2170 -8.9 -20.9 37 12.0 -11.7 205 15 284.2 284.4 275.1 287.1 0.93 12 700 2951 -13.3 -23.3 43 10.0 -15.4 215 17 287.8 287.9 276.8 290.3 0.84 13 659 3407 -16.3 -27.3 38 11.0 -18.3 214 17 289.4 289.5 277.3 291.3 0.62 14 500 5420 -32.1 -44.1 29 12.0 -32.9 210 15 293.9 293.9 278.8 294.4 0.15 15 410 6785 -43.1 -54.1 29 11.0 -43.5 219 31 296.9 296.9 280.0 297.1 0.06 16 400 6950 -44.3 -55.3 28 11.0 -44.6 220 33 297.4 297.4 280.3 297.6 0.05 17 317 8470 -54.9 -64.9 28 10.0 -55.0 220 40 303.1 303.1 282.7 303.2 0.02 18 300 8820 -56.7 -66.7 27 10.0 -56.8 220 42 305.4 305.4 283.6 305.5 0.02 19 289 9057 -57.7 -67.7 27 10.0 -57.8 220 38 307.3 307.3 284.3 307.3 0.01 20 250 9970 -58.9 -68.9 26 10.0 -59.0 225 23 318.5 318.5 288.3 318.6 0.01 21 241 10200 -58.1 -68.1 27 10.0 -58.2 229 22 323.1 323.1 289.7 323.1 0.02 22 200 11370 -58.9 -69.9 23 11.0 -59.0 250 15 339.5 339.5 294.2 339.6 0.02 23 150 13170 -58.5 -71.5 17 13.0 -58.7 305 15 369.3 369.3 300.5 369.4 0.02 24 123 14417 -58.7 -72.7 15 14.0 -58.9 317 19 390.5 390.5 303.9 390.6 0.02 25 100 15710 -61.1 -76.1 12 15.0 -61.3 330 23 409.7 409.7 306.5 409.7 0.01 26 70 17880 -68.9 -83.9 10 15.0 -69.0 320 38 437.0 437.0 309.6 437.0 0.00 27 63 18508 -71.5 -86.5 9 15.0 -71.6 320 41 444.6 444.6 310.3 444.6 0.00 28 50 19870 -73.5 -88.5 8 15.0 -73.6 320 46 470.3 470.3 312.7 470.3 0.00 29 30 22820 -77.9 -92.9 7 15.0 -78.0 315 69 532.3 532.3 317.1 532.3 0.00 30 21 24847 -80.3 -95.3 6 15.0 -80.4 582.2 582.2 319.8 582.2 0.00 TRP 289 9057 -57.7 -67.7 27 10.0 -57.8 220 38 307.3 307.3 284.3 307.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5220.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 51.51 % Est. max temperature: -0.20 C = 31.65 F Sfc-Lift cond lev (LCL): 981.59 mb = 345.40 m = 1133.19 ft T: -8.19 C 700-500 lapse rate: 7.61 C/km ThetaE index: 0.32 C Layer 925.0- 850.0 mb Conv cond level (CCL): 871.68 mb = 1268.40 m = 4161.36 ft Mean mixing ratio: 1.78 g/kg Conv temperature: -0.36 C = 31.36 F Cap Strength: 15.50 C Lifted Index: 17.25 C Risk: None Lifted Index @300 mb: 22.88 C Lifted Index @700 mb: 14.63 C Showalter Index: 14.93 C Risk: None Total Totals Index: 35.50 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 16.70 C K Index: -6.60 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 4.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.33 J/kg Max Up Vert Vel: 8.64 m/s Conv Inhibition (B-): 49593.24 J/kg Cap Strength: 17.23 C Lift Cond Lev (LCL): 921.45 mb = 841.60 m = 2761.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 239 at 11 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 1012 108 70 1 -0.9 -0.3 | 60 12 -10.1 -5.8 1 1000 200 115 3 -2.7 1.3 | 70 13 -11.9 -4.2 2 925 812 205 7 3.0 6.3 | 98 6 -6.2 0.9 3 850 1462 195 13 3.4 12.6 | 141 9 -5.8 7.1 4 700 2951 215 17 9.8 13.9 | 184 8 0.6 8.5 5 500 5420 210 15 7.5 13.0 | 168 8 -1.6 7.5 6 400 6950 220 33 21.2 25.3 | 211 23 12.1 19.8 7 300 8820 220 42 27.0 32.2 | 214 32 17.9 26.7 8 289 9057 220 38 24.4 29.1 | 213 28 15.3 23.6 9 250 9970 225 23 16.3 16.3 | 213 13 7.1 10.8 10 200 11370 250 15 14.1 5.1 | 274 5 5.0 -0.3 11 150 13170 305 15 12.3 -8.6 | 347 14 3.2 -14.1 12 100 15710 330 23 11.5 -19.9 | 355 26 2.4 -25.4 13 70 17880 320 38 24.4 -29.1 | 336 38 15.3 -34.6 14 50 19870 320 46 29.6 -35.2 | 333 46 20.4 -40.7 15 30 22820 315 69 48.8 -48.8 | 324 67 39.7 -54.3 Wind Parameters Mean winds (0-6000m): 209.1 at 14.2 knts Storm direction: 239.1 at 10.6 knts Shear (0-3000m) pos: 2.5 neg: 0.6 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 123.2 deg Storm rel helicity (0-3000m) pos: 46.3 neg: -0.2 tot: 46.1 m^2/s^2 ave: 15.4 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.77 Bulk Shear: 21.10 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 ------------------------------------------------------------------------------- 500 150 4 79 11| 6.2 0.0 6.2| 19.6 0.0 19.6 39.3 0.83| 7.9 6.5 1000 190 6 91 8| 5.4 0.0 5.4| 26.4 0.0 26.4 26.4 0.72| 7.2 5.2 1500 194 8 106 8| 3.6 1.3 4.8| 32.9 0.0 32.9 21.9 0.73| 6.1 4.5 2000 196 9 118 7| 3.1 1.0 4.0| 37.8 0.0 37.8 18.9 0.76| 5.2 3.9 2500 200 11 129 7| 2.8 0.8 3.6| 42.8 0.0 42.8 17.1 0.78| 4.6 3.6 3000 203 12 139 7| 2.5 0.6 3.1| 46.3 -0.2 46.1 15.4 0.79| 4.1 3.2 4000 207 13 150 7| 1.9 0.4 2.3| 46.3 -2.2 44.1 11.0 0.72| 3.2 2.3 5000 208 13 156 7| 1.5 0.3 1.8| 46.3 -4.2 42.1 8.4 0.66| 2.7 1.8 6000 209 14 162 7| 1.9 0.3 2.2| 60.5 -4.8 55.7 9.3 0.63| 3.0 1.9 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260114.12.gif