UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for U4266... Searching the city database file for: U4266 ... Date:1200Z 12 DEC 25 Station: U4266 WMO ident: 24266 Latitude: 67.55 Longitude: 133.38 ------------------------------------------------------------------------------- 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 1010 140 -43.7 -48.2 61 4.5 -43.8 245 1 228.8 228.8 228.8 228.9 0.05 1 1003 187 -41.9 -47.9 52 6.0 -42.0 238 1 231.1 231.1 230.9 231.2 0.05 2 1000 207 -41.7 -47.7 52 6.0 -41.8 235 1 231.4 231.5 231.3 231.6 0.05 3 992 261 -41.5 -47.5 52 6.0 -41.6 231 1 232.2 232.2 232.0 232.3 0.05 4 976 373 -37.5 -43.5 53 6.0 -37.7 223 2 237.3 237.3 237.1 237.5 0.08 5 962 472 -37.1 -43.1 54 6.0 -37.3 215 2 238.7 238.7 238.4 238.9 0.09 6 940 634 -32.9 -38.9 55 6.0 -33.2 203 3 244.5 244.6 244.0 244.9 0.14 7 925 747 -32.7 -37.7 61 5.0 -33.0 195 3 245.9 245.9 245.3 246.3 0.16 8 896 971 -33.3 -37.9 63 4.6 -33.5 223 3 247.5 247.5 246.8 248.0 0.16 9 884 1066 -32.3 -36.8 64 4.5 -32.6 235 3 249.5 249.5 248.6 250.0 0.18 10 880 1098 -30.3 -34.7 65 4.4 -30.6 239 3 251.9 251.9 250.8 252.5 0.23 11 850 1345 -29.3 -33.3 68 4.0 -29.6 270 3 255.5 255.5 254.0 256.2 0.27 12 822 1585 -28.9 -32.7 70 3.8 -29.2 242 4 258.3 258.4 256.4 259.2 0.30 13 806 1726 -27.3 -31.0 71 3.7 -27.6 226 5 261.5 261.5 259.1 262.5 0.36 14 703 2709 -27.9 -31.2 73 3.3 -28.2 114 9 271.3 271.3 266.3 272.5 0.40 15 700 2740 -28.1 -31.5 73 3.4 -28.5 110 9 271.4 271.4 266.4 272.5 0.39 16 575 4127 -36.9 -40.0 73 3.1 -37.1 107 11 276.8 276.8 269.5 277.4 0.20 17 500 5080 -43.9 -47.2 70 3.3 -44.0 105 13 279.5 279.5 271.1 279.9 0.11 18 400 6530 -56.1 -59.5 65 3.4 -56.1 105 13 282.1 282.1 272.4 282.2 0.03 19 360 7195 -60.7 -64.2 63 3.5 -60.7 120 15 284.5 284.6 273.8 284.6 0.02 20 300 8330 -61.5 -64.9 64 3.4 -61.5 135 15 298.6 298.7 280.8 298.7 0.02 21 281 8734 -62.5 -66.1 62 3.6 -62.5 139 16 302.9 302.9 282.5 302.9 0.02 22 250 9460 -58.5 -62.4 61 3.9 -58.6 145 17 319.1 319.1 288.5 319.2 0.03 23 245 9587 -57.5 -61.3 62 3.8 -57.6 146 18 322.4 322.4 289.5 322.6 0.04 24 200 10870 -56.1 -60.0 61 3.9 -56.2 160 23 343.9 343.9 295.3 344.2 0.06 25 150 12700 -56.5 -61.0 57 4.5 -56.6 175 25 372.7 372.7 301.1 373.1 0.07 26 133 13460 -56.3 -60.9 56 4.6 -56.5 175 27 386.1 386.2 303.3 386.5 0.08 27 102 15135 -57.5 -62.5 53 5.0 -57.7 175 31 414.3 414.3 307.1 414.7 0.08 28 100 15260 -58.1 -63.1 53 5.0 -58.3 175 31 415.5 415.5 307.2 415.9 0.08 29 70 17500 -58.9 -64.9 46 6.0 -59.2 190 44 458.4 458.4 311.7 458.9 0.09 30 58 18675 -60.1 -67.1 39 7.0 -60.4 190 54 481.0 481.0 313.5 481.5 0.08 31 51 19484 -56.3 -64.3 36 8.0 -56.9 190 61 507.9 508.0 315.5 508.8 0.13 32 50 19610 -56.3 -64.3 36 8.0 -56.9 190 62 510.8 510.8 315.8 511.7 0.13 33 41 20872 -55.9 -65.9 28 10.0 -56.7 190 73 541.6 541.7 317.6 542.5 0.13 34 37 21525 -55.7 -66.7 24 11.0 -56.6 558.3 558.3 318.6 559.2 0.13 TRP 360 7195 -60.7 -64.2 63 3.5 -60.7 120 15 284.5 284.6 273.8 284.6 0.02 WND 41 20872 -55.9 -65.9 28 10.0 -56.7 190 73 541.6 541.7 317.6 542.5 0.13 Sounding variables and indices 1000-500 mb thick: 4873.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 68.76 % Est. max temperature: -18.18 C = -0.72 F Sfc-Lift cond lev (LCL): 932.00 mb = 693.94 m = 2276.67 ft T: -32.79 C 700-500 lapse rate: 6.75 C/km ThetaE index: 0.00 C Layer 1010.0-2128654499840.0 mb Conv cond level (CCL): 1003.00 mb = 186.72 m = 612.59 ft Mean mixing ratio: 0.11 g/kg Conv temperature: -40.57 C = -41.03 F Cap Strength: 31.58 C Lifted Index: 32.60 C Risk: None Lifted Index @300 mb: 41.72 C Lifted Index @700 mb: 28.60 C Showalter Index: 19.13 C Risk: None Total Totals Index: 25.20 C Risk: None Vertical Totals Index: 14.60 C Cross Totals Index: 10.60 C K Index: -22.10 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 5.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.19 J/kg Max Up Vert Vel: 12.02 m/s Conv Inhibition (B-): 52859.16 J/kg Cap Strength: 32.47 C Lift Cond Lev (LCL): 879.92 mb = 1098.58 m = 3604.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 141 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 1010 140 245 1 0.9 0.4 | 312 7 5.0 -4.5 1 1000 207 235 1 0.8 0.6 | 312 7 4.9 -4.4 2 925 747 195 3 0.8 2.9 | 293 5 4.8 -2.0 3 850 1345 270 3 3.0 -0.0 | 305 9 7.1 -4.9 4 700 2740 110 9 -8.5 3.1 | 67 5 -4.4 -1.9 5 500 5080 105 13 -12.6 3.4 | 80 9 -8.5 -1.6 6 400 6530 105 13 -12.6 3.4 | 80 9 -8.5 -1.6 7 360 7195 120 15 -13.0 7.5 | 106 9 -8.9 2.6 8 300 8330 135 15 -10.6 10.6 | 131 9 -6.5 5.7 9 250 9460 145 17 -9.8 13.9 | 148 11 -5.7 9.0 10 200 10870 160 23 -7.9 21.6 | 167 17 -3.8 16.7 11 150 12700 175 25 -2.2 24.9 | 185 20 1.9 20.0 12 100 15260 175 31 -2.7 30.9 | 183 26 1.4 25.9 13 70 17500 190 44 7.6 43.3 | 197 40 11.7 38.4 14 50 19610 190 62 10.8 61.1 | 195 58 14.8 56.1 Wind Parameters Mean winds (0-6000m): 110.5 at 8.5 knts Storm direction: 140.5 at 6.4 knts Shear (0-3000m) pos: 0.3 neg: 2.1 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 118.7 deg Storm rel helicity (0-3000m) pos: 3.7 neg: -20.2 tot: -16.5 m^2/s^2 ave: -5.5 10^-3 m/s^2 rel: -0.56 Storm rel vorticity (0-3000m) horiz: 4.3 stream: -2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.64 Bulk Shear: 10.88 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 ------------------------------------------------------------------------------- 500 214 2 305 6| 0.0 2.0 2.0| 0.0 -2.8 -2.8 -5.6 -0.84| 2.1 -1.8 1000 213 2 299 6| 1.0 1.0 2.1| 1.3 -3.4 -2.1 -2.1 -0.28| 2.6 -0.7 1500 229 3 298 7| 0.7 1.1 1.8| 3.3 -8.6 -5.4 -3.6 -0.32| 3.0 -1.0 2000 212 3 290 6| 0.5 2.0 2.5| 3.3 -15.8 -12.5 -6.3 -0.48| 3.8 -1.8 2500 167 4 286 3| 0.4 2.3 2.7| 3.3 -19.2 -15.9 -6.4 -0.59| 4.7 -2.7 3000 134 5 341 2| 0.3 2.1 2.5| 3.7 -20.2 -16.5 -5.5 -0.56| 4.3 -2.4 4000 119 6 38 2| 0.3 1.8 2.1| 4.7 -20.2 -15.5 -3.9 -0.50| 3.5 -1.7 5000 113 8 56 4| 0.2 1.6 1.8| 5.5 -20.2 -14.7 -2.9 -0.46| 2.9 -1.3 6000 111 9 64 4| 0.2 1.3 1.5| 5.5 -20.2 -14.7 -2.5 -0.46| 2.4 -1.1 Wrote GIF file: /home/apache/climate/data/raob//U4266/skewt/U4266.skewt.20251212.12.gif