UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 5 DEC 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 1008 106 0.2 -0.9 92 1.1 -0.2 200 3 272.7 273.3 272.5 282.3 3.55 1 1000 170 -0.3 -1.6 91 1.3 -0.8 210 5 272.9 273.4 272.3 282.0 3.40 2 925 791 -2.9 -4.5 89 1.6 -3.5 255 11 276.3 276.8 273.8 284.5 2.96 3 905 964 -3.1 -4.3 91 1.2 -3.6 252 13 277.9 278.4 274.8 286.4 3.07 4 850 1458 -6.3 -7.5 91 1.2 -6.7 245 17 279.5 280.0 275.0 286.8 2.56 5 816 1776 -8.5 -9.8 90 1.3 -8.9 242 14 280.5 280.9 275.0 286.8 2.22 6 784 2088 -6.5 -7.7 91 1.2 -7.0 239 12 285.9 286.3 278.5 293.8 2.73 7 781 2118 -6.9 -8.1 91 1.2 -7.3 238 12 285.8 286.2 278.3 293.4 2.66 8 716 2791 -11.5 -15.0 75 3.5 -12.5 232 6 287.9 288.2 278.1 292.9 1.66 9 700 2964 -11.5 -17.5 61 6.0 -13.0 230 5 289.7 290.0 278.6 293.9 1.38 10 644 3600 -14.3 -21.3 55 7.0 -15.9 226 5 293.6 293.8 280.0 297.0 1.08 11 603 4095 -17.7 -22.7 65 5.0 -18.8 223 6 295.2 295.4 280.7 298.4 1.02 12 556 4698 -21.7 -33.7 33 12.0 -23.4 220 6 297.4 297.5 280.8 298.7 0.40 13 546 4831 -22.7 -33.7 36 11.0 -24.2 219 6 297.8 297.8 281.0 299.1 0.41 14 500 5470 -28.1 -36.1 46 8.0 -29.0 215 7 298.8 298.8 281.3 300.0 0.35 15 432 6501 -35.9 -40.9 60 5.0 -36.3 202 11 301.6 301.7 282.4 302.5 0.25 16 400 7030 -39.9 -44.9 59 5.0 -40.2 195 13 303.1 303.2 282.9 303.8 0.17 17 313 8649 -53.9 -58.8 55 4.9 -54.0 208 16 305.6 305.7 283.7 305.8 0.04 18 300 8920 -55.5 -60.1 56 4.6 -55.6 210 17 307.1 307.1 284.3 307.3 0.04 19 290 9136 -57.1 -61.9 54 4.8 -57.2 207 19 307.8 307.8 284.5 307.9 0.03 20 264 9728 -59.1 -63.8 54 4.7 -59.2 200 23 313.3 313.3 286.5 313.4 0.03 21 250 10070 -59.3 -64.0 54 4.7 -59.3 205 21 317.9 317.9 288.1 318.0 0.03 22 243 10248 -59.7 -64.4 54 4.7 -59.7 210 20 319.9 319.9 288.8 320.0 0.03 23 229 10620 -58.5 -63.4 53 4.9 -58.6 221 19 327.2 327.2 291.0 327.3 0.03 24 200 11470 -59.7 -64.6 53 4.9 -59.8 245 17 338.2 338.2 293.9 338.4 0.03 25 150 13280 -58.5 -64.5 46 6.0 -58.6 270 21 369.3 369.3 300.5 369.5 0.04 26 141 13667 -58.9 -64.9 46 6.0 -59.0 271 22 375.2 375.2 301.5 375.4 0.04 27 103 15618 -61.9 -69.9 34 8.0 -62.0 275 28 404.7 404.7 305.9 404.8 0.03 28 100 15800 -62.5 -70.5 33 8.0 -62.6 275 29 407.0 407.0 306.2 407.1 0.03 29 90 16447 -66.1 -74.1 32 8.0 -66.2 272 30 412.3 412.3 306.8 412.3 0.02 30 70 17970 -67.7 -75.7 31 8.0 -67.8 265 31 439.5 439.6 309.8 439.7 0.02 31 53 19635 -69.7 -78.7 26 9.0 -69.8 273 31 471.3 471.3 312.8 471.4 0.02 32 50 19980 -72.7 -81.7 24 9.0 -72.8 275 31 472.2 472.2 312.8 472.2 0.01 33 47 20340 -74.1 -83.1 24 9.0 -74.2 274 32 477.2 477.2 313.2 477.3 0.01 34 41 21135 -72.9 -81.9 24 9.0 -73.0 271 34 499.2 499.3 314.9 499.3 0.01 35 30 22930 -79.3 -88.3 21 9.0 -79.4 265 38 528.5 528.5 316.8 528.5 0.01 36 24 24191 -81.1 -90.1 20 9.0 -81.1 558.1 558.1 318.5 558.1 0.00 TRP 264 9728 -59.1 -63.8 54 4.7 -59.2 200 23 313.3 313.3 286.5 313.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5300.00 m Freezing level: 1004.80 mb = 131.76 m = 432.27 ft Wetbulb zero: Below ground Precipitable water: 0.41 inches Sfc-500 mean rel hum: 69.75 % Est. max temperature: 6.78 C = 44.21 F Sfc-Lift cond lev (LCL): 990.71 mb = 244.32 m = 801.58 ft T: -0.61 C 700-500 lapse rate: 6.62 C/km ThetaE index: 0.91 C Layer 781.0- 700.0 mb Conv cond level (CCL): 886.31 mb = 1128.59 m = 3702.69 ft Mean mixing ratio: 3.17 g/kg Conv temperature: 5.91 C = 42.64 F Cap Strength: 12.85 C Lifted Index: 13.01 C Risk: None Lifted Index @300 mb: 16.73 C Lifted Index @700 mb: 8.55 C Showalter Index: 10.55 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.60 C K Index: 8.30 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 2.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.33 J/kg Max Up Vert Vel: 5.54 m/s Conv Inhibition (B-): 42703.02 J/kg Cap Strength: 13.01 C Lift Cond Lev (LCL): 935.53 mb = 700.83 m = 2299.27 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 6 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 1008 106 200 3 1.0 2.8 | 111 6 -5.3 2.1 1 1000 170 210 5 2.5 4.3 | 133 5 -3.8 3.6 2 925 791 255 11 10.6 2.8 | 244 5 4.3 2.1 3 850 1458 245 17 15.4 7.2 | 235 11 9.1 6.4 4 700 2964 230 5 3.8 3.2 | 135 4 -2.5 2.5 5 500 5470 215 7 4.0 5.7 | 155 6 -2.3 5.0 6 400 7030 195 13 3.4 12.6 | 166 12 -3.0 11.8 7 300 8920 210 17 8.5 14.7 | 189 14 2.2 14.0 8 264 9728 200 23 7.9 21.6 | 184 21 1.5 20.9 9 250 10070 205 21 8.9 19.0 | 188 18 2.5 18.3 10 200 11470 245 17 15.4 7.2 | 235 11 9.1 6.4 11 150 13280 270 21 21.0 -0.0 | 273 15 14.7 -0.7 12 100 15800 275 29 28.9 -2.5 | 278 23 22.5 -3.3 13 70 17970 265 31 30.9 2.7 | 265 25 24.5 2.0 14 50 19980 275 31 30.9 -2.7 | 278 25 24.5 -3.4 15 30 22930 265 38 37.9 3.3 | 265 32 31.5 2.6 Wind Parameters Mean winds (0-6000m): 233.3 at 8.5 knts Storm direction: 263.3 at 6.4 knts Shear (0-3000m) pos: 2.1 neg: 1.6 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 25.1 deg Storm rel helicity (0-3000m) pos: 12.7 neg: -16.3 tot: -3.6 m^2/s^2 ave: -1.2 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 31.99 Bulk Shear: 0.48 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 ------------------------------------------------------------------------------- 500 229 7 161 4| 7.5 0.0 7.5| 9.4 0.0 9.4 18.7 0.97| 8.1 7.9 1000 245 9 212 4| 6.2 0.0 6.2| 12.6 -0.8 11.9 11.9 0.73| 7.1 5.2 1500 246 11 225 6| 4.2 0.9 5.1| 12.6 -4.6 8.0 5.4 0.48| 6.2 3.0 2000 244 12 225 6| 3.1 0.8 4.0| 12.6 -9.7 2.9 1.5 0.29| 5.7 1.6 2500 244 12 222 6| 2.5 1.4 3.9| 12.6 -13.7 -1.1 -0.4 0.13| 5.4 0.7 3000 243 11 218 5| 2.1 1.6 3.7| 12.7 -16.3 -3.6 -1.2 0.02| 5.0 0.1 4000 241 9 206 4| 1.6 1.2 2.7| 13.4 -16.3 -2.9 -0.7 0.04| 3.9 0.2 5000 237 9 194 4| 1.2 0.9 2.2| 14.1 -16.3 -2.3 -0.5 0.06| 3.2 0.2 6000 233 9 186 4| 1.0 0.8 1.9| 16.2 -16.3 -0.2 -0.0 0.09| 2.9 0.3 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251205.00.gif