UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for USHH... Searching the city database file for: USHH ... Date:1200Z 11 DEC 25 Station: USHH WMO ident: 23933 Latitude: 60.97 Longitude: 69.07 Elevation: 40.00 ------------------------------------------------------------------------------- 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 1007 40 -7.1 -9.3 84 2.2 -7.7 225 9 265.5 265.8 265.0 270.6 1.87 1 1000 99 -7.9 -11.2 77 3.3 -8.8 230 11 265.2 265.5 264.4 269.6 1.62 2 953 470 -12.1 -14.4 83 2.3 -12.6 249 17 264.7 264.9 263.4 268.3 1.31 3 929 666 -10.9 -12.9 85 2.0 -11.4 258 20 267.8 268.1 266.0 272.0 1.52 4 925 699 -11.1 -13.0 86 1.9 -11.6 260 21 268.0 268.2 266.1 272.1 1.52 5 868 1186 -12.9 -14.5 88 1.6 -13.3 268 26 271.0 271.2 268.0 275.0 1.43 6 850 1346 -11.9 -13.5 88 1.6 -12.3 270 27 273.7 273.9 270.0 278.1 1.58 7 845 1391 -12.3 -13.8 89 1.5 -12.7 270 27 273.7 274.0 270.0 278.1 1.56 8 789 1912 -14.5 -17.0 81 2.5 -15.0 276 29 276.8 277.0 271.4 280.5 1.28 9 722 2583 -14.7 -17.3 81 2.6 -15.3 283 30 283.7 283.9 275.5 287.7 1.36 10 700 2817 -15.7 -18.8 77 3.1 -16.4 285 31 285.1 285.3 276.0 288.8 1.24 11 565 4402 -23.9 -28.7 65 4.8 -24.6 282 38 293.5 293.6 279.3 295.5 0.63 12 500 5280 -30.5 -35.5 62 5.0 -31.0 280 42 295.9 295.9 280.0 297.1 0.37 13 413 6612 -41.1 -47.1 52 6.0 -41.4 284 47 298.8 298.9 281.0 299.3 0.13 14 400 6830 -41.7 -47.7 52 6.0 -42.0 285 48 300.8 300.8 281.8 301.2 0.13 15 319 8346 -47.1 -55.1 40 8.0 -47.4 285 61 313.4 313.4 286.6 313.7 0.07 16 300 8750 -50.1 -59.1 34 9.0 -50.3 285 64 314.7 314.7 287.1 314.9 0.04 17 281 9178 -52.3 -60.3 38 8.0 -52.5 289 65 317.5 317.5 288.0 317.7 0.04 18 250 9930 -57.5 -66.5 31 9.0 -57.6 295 68 320.6 320.6 288.9 320.7 0.02 19 204 11208 -65.7 -72.7 37 7.0 -65.7 305 75 326.9 326.9 290.8 326.9 0.01 20 200 11330 -65.5 -72.5 37 7.0 -65.5 305 77 329.0 329.0 291.5 329.1 0.01 21 197 11422 -65.4 -72.4 37 7.0 -65.5 310 79 330.6 330.6 291.9 330.6 0.01 22 165 12508 -64.7 -71.7 38 7.0 -64.8 297 63 349.0 349.0 296.4 349.0 0.01 23 150 13090 -66.1 -73.1 37 7.0 -66.1 290 54 356.2 356.2 298.0 356.3 0.01 24 100 15520 -69.7 -76.7 35 7.0 -69.8 300 50 393.1 393.1 304.2 393.1 0.01 25 95 15826 -69.9 -76.9 35 7.0 -69.9 398.5 398.5 305.0 398.5 0.01 TRP 204 11208 -65.7 -72.7 37 7.0 -65.7 305 75 326.9 326.9 290.8 326.9 0.01 WND 197 11422 -65.4 -72.4 37 7.0 -65.5 310 79 330.6 330.6 291.9 330.6 0.01 Sounding variables and indices 1000-500 mb thick: 5181.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 75.87 % Est. max temperature: 0.02 C = 32.04 F Sfc-Lift cond lev (LCL): 972.26 mb = 315.99 m = 1036.70 ft T: -10.35 C 700-500 lapse rate: 6.01 C/km ThetaE index: 2.31 C Layer 1000.0- 929.0 mb Conv cond level (CCL): 674.69 mb = 3089.45 m = 10135.88 ft Mean mixing ratio: 1.48 g/kg Conv temperature: 13.96 C = 57.14 F Cap Strength: 20.20 C Lifted Index: 21.28 C Risk: None Lifted Index @300 mb: 31.62 C Lifted Index @700 mb: 14.69 C Showalter Index: 14.89 C Risk: None Total Totals Index: 35.60 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 17.00 C K Index: 2.00 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 3.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.80 J/kg Max Up Vert Vel: 5.80 m/s Conv Inhibition (B-): 20594.89 J/kg Cap Strength: 21.13 C Lift Cond Lev (LCL): 919.57 mb = 744.08 m = 2441.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 24 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 1007 40 225 9 6.4 6.4 | 149 25 -12.5 21.2 1 1000 99 230 11 8.4 7.1 | 154 24 -10.5 21.9 2 925 699 260 21 20.7 3.6 | 186 19 1.8 18.5 3 850 1346 270 27 27.0 -0.0 | 209 17 8.1 14.9 4 700 2817 285 31 29.9 -8.0 | 238 13 11.1 6.8 5 500 5280 280 42 41.4 -7.3 | 251 24 22.5 7.6 6 400 6830 285 48 46.4 -12.4 | 265 28 27.5 2.4 7 300 8750 285 64 61.8 -16.6 | 272 43 42.9 -1.7 8 250 9930 295 68 61.6 -28.7 | 288 45 42.7 -13.9 9 204 11208 305 75 61.4 -43.0 | 304 51 42.5 -28.2 10 200 11330 305 77 63.1 -44.2 | 304 53 44.2 -29.3 11 197 11422 310 79 60.5 -50.8 | 311 55 41.6 -35.9 12 150 13090 290 54 50.7 -18.5 | 276 32 31.9 -3.6 13 100 15520 300 50 43.3 -25.0 | 293 26 24.4 -10.1 Wind Parameters Mean winds (0-6000m): 278.2 at 32.0 knts Storm direction: 308.2 at 24.0 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 91.1 deg Storm rel helicity (0-3000m) pos: 146.5 neg: 0.0 tot: 146.5 m^2/s^2 ave: 48.8 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 64.78 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 ------------------------------------------------------------------------------- 500 243 14 164 22| 11.4 0.0 11.4| 64.5 0.0 64.5 129.1 0.93| 11.8 10.9 1000 255 18 175 20| 9.4 0.0 9.4| 98.9 0.0 98.9 98.9 0.92| 9.8 9.0 1500 261 21 185 18| 7.7 0.0 7.7|118.8 0.0 118.8 79.2 0.93| 8.1 7.5 2000 265 23 192 17| 6.3 0.0 6.3|129.0 0.0 129.0 64.5 0.92| 6.8 6.3 2500 269 24 198 16| 5.4 0.0 5.4|139.1 0.0 139.1 55.6 0.92| 6.1 5.6 3000 272 25 204 15| 4.9 0.0 4.9|146.5 0.0 146.5 48.8 0.91| 5.5 5.0 4000 276 27 214 15| 3.7 0.6 4.3|154.3 0.0 154.3 38.6 0.84| 4.7 4.0 5000 277 30 224 15| 2.9 1.0 3.9|160.8 0.0 160.8 32.2 0.78| 4.3 3.3 6000 278 32 231 16| 2.8 0.8 3.6|181.4 0.0 181.4 30.2 0.77| 3.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//USHH/skewt/USHH.skewt.20251211.12.gif