UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U0046... Searching the city database file for: U0046 ... Date:0000Z 8 DEC 25 Station: U0046 WMO ident: 20046 Latitude: 80.62 Longitude: 58.05 ------------------------------------------------------------------------------- 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 1018 24 -13.5 -17.4 72 3.9 -14.2 340 13 258.3 258.5 257.8 260.9 0.96 1 1000 159 -14.9 -19.8 66 4.9 -15.7 5 17 258.2 258.4 257.4 260.4 0.79 2 930 704 -18.7 -22.5 72 3.8 -19.3 24 23 259.8 259.9 258.4 261.7 0.67 3 925 744 -18.7 -22.5 72 3.8 -19.3 25 23 260.2 260.3 258.8 262.1 0.68 4 850 1369 -22.9 -27.6 65 4.7 -23.4 350 13 262.2 262.2 259.8 263.5 0.47 5 835 1499 -23.5 -28.3 65 4.8 -24.0 351 14 262.9 262.9 260.3 264.1 0.44 6 720 2562 -32.1 -35.3 73 3.2 -32.3 3 20 264.8 264.8 261.4 265.6 0.26 7 700 2761 -32.1 -35.1 75 3.0 -32.3 5 21 266.9 267.0 263.0 267.8 0.28 8 651 3272 -33.1 -36.4 72 3.3 -33.3 6 21 271.4 271.4 266.1 272.2 0.26 9 535 4625 -42.5 -48.5 52 6.0 -42.7 9 21 275.8 275.8 268.7 276.1 0.09 10 500 5080 -44.7 -50.7 51 6.0 -44.9 10 21 278.5 278.6 270.4 278.8 0.07 11 480 5352 -45.9 -51.9 51 6.0 -46.0 9 18 280.3 280.3 271.5 280.6 0.07 12 400 6540 -54.7 -61.7 42 7.0 -54.8 5 7 283.9 283.9 273.5 284.0 0.02 13 394 6637 -54.9 -60.9 47 6.0 -55.0 5 8 284.9 284.9 274.0 285.0 0.03 14 324 7876 -59.9 -65.9 45 6.0 -60.0 360 19 294.4 294.4 278.8 294.4 0.02 15 305 8256 -58.3 -65.3 40 7.0 -58.4 356 24 301.7 301.7 282.1 301.8 0.02 16 300 8360 -58.3 -65.3 40 7.0 -58.4 355 25 303.2 303.2 282.7 303.2 0.02 17 269 9046 -55.5 -62.5 41 7.0 -55.6 346 18 316.8 316.9 287.8 317.0 0.03 18 250 9510 -55.9 -62.9 41 7.0 -56.0 340 13 323.0 323.0 289.7 323.1 0.03 19 214 10493 -58.7 -65.7 40 7.0 -58.8 343 20 333.3 333.3 292.6 333.4 0.03 20 200 10920 -56.1 -64.1 36 8.0 -56.2 345 23 343.9 343.9 295.3 344.1 0.03 21 196 11048 -55.9 -63.9 36 8.0 -56.1 343 22 346.2 346.2 295.8 346.4 0.04 22 150 12730 -59.7 -68.7 30 9.0 -59.9 315 11 367.2 367.2 300.1 367.3 0.02 23 133 13479 -63.3 -72.3 28 9.0 -63.4 340 11 373.7 373.7 301.2 373.7 0.02 24 123 13963 -61.1 -71.1 25 10.0 -61.3 357 11 386.1 386.1 303.2 386.2 0.02 25 100 15240 -65.5 -75.5 24 10.0 -65.6 40 11 401.2 401.2 305.4 401.2 0.01 26 76 16890 -69.9 -79.9 22 10.0 -70.0 21 11 424.7 424.7 308.3 424.8 0.01 27 73 17130 -69.1 -79.1 22 10.0 -69.2 18 11 431.3 431.3 309.0 431.4 0.01 28 70 17380 -69.5 -79.5 22 10.0 -69.6 15 11 435.7 435.7 309.4 435.8 0.01 29 50 19370 -73.5 -83.5 20 10.0 -73.6 30 11 470.3 470.3 312.7 470.3 0.01 30 42 20384 -75.7 -85.7 19 10.0 -75.7 488.9 488.9 314.1 488.9 0.01 TRP 324 7876 -59.9 -65.9 45 6.0 -60.0 360 19 294.4 294.4 278.8 294.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 4921.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 65.92 % Est. max temperature: -10.14 C = 13.75 F Sfc-Lift cond lev (LCL): 955.57 mb = 500.22 m = 1641.13 ft T: -17.28 C 700-500 lapse rate: 5.43 C/km ThetaE index: 0.50 C Layer 1000.0- 930.0 mb Conv cond level (CCL): 863.04 mb = 1256.49 m = 4122.31 ft Mean mixing ratio: 0.75 g/kg Conv temperature: -10.00 C = 13.99 F Cap Strength: 12.44 C Lifted Index: 14.40 C Risk: None Lifted Index @300 mb: 29.81 C Lifted Index @700 mb: 5.85 C Showalter Index: 12.44 C Risk: None Total Totals Index: 38.90 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 17.10 C K Index: -8.80 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.35 J/kg Max Up Vert Vel: 2.95 m/s Conv Inhibition (B-): 38828.20 J/kg Cap Strength: 14.27 C Lift Cond Lev (LCL): 902.01 mb = 930.02 m = 3051.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 37 at 14 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 1018 24 340 13 4.4 -12.2 | 274 13 13.0 -1.0 1 1000 159 5 17 -1.5 -16.9 | 309 9 7.0 -5.7 2 925 744 25 23 -9.7 -20.8 | 7 10 -1.2 -9.6 3 850 1369 350 13 2.3 -12.8 | 278 11 10.8 -1.5 4 700 2761 5 21 -1.8 -20.9 | 325 12 6.7 -9.7 5 500 5080 10 21 -3.6 -20.7 | 333 11 4.9 -9.4 6 400 6540 5 7 -0.6 -7.0 | 242 9 7.9 4.3 7 324 7876 360 19 -0.0 -19.0 | 312 12 8.5 -7.7 8 300 8360 355 25 2.2 -24.9 | 322 17 10.7 -13.6 9 250 9510 340 13 4.4 -12.2 | 274 13 13.0 -1.0 10 200 10920 345 23 6.0 -22.2 | 307 18 14.5 -11.0 11 150 12730 315 11 7.8 -7.8 | 258 17 16.3 3.5 12 100 15240 40 11 -7.1 -8.4 | 207 3 1.5 2.8 13 70 17380 15 11 -2.8 -10.6 | 264 6 5.7 0.6 14 50 19370 30 11 -5.5 -9.5 | 240 3 3.0 1.7 Wind Parameters Mean winds (0-6000m): 7.1 at 18.8 knts Storm direction: 37.1 at 14.1 knts Shear (0-3000m) pos: 3.6 neg: 1.8 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 51.9 deg Storm rel helicity (0-3000m) pos: 65.2 neg: -34.2 tot: 31.1 m^2/s^2 ave: 10.4 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 30.19 Bulk Shear: 0.14 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 8 18 316 9| 13.5 0.0 13.5| 31.5 0.0 31.5 62.9 0.92| 13.6 12.5 1000 15 20 335 8| 6.7 1.8 8.6| 39.2 -16.1 23.1 23.1 0.37| 12.1 4.4 1500 11 18 322 8| 4.5 3.5 8.0| 41.0 -34.2 6.9 4.6 0.07| 10.8 0.7 2000 8 17 314 9| 4.1 2.6 6.7| 50.2 -34.2 16.0 8.0 0.15| 8.9 1.4 2500 6 18 313 9| 3.9 2.1 6.0| 59.9 -34.2 25.7 10.3 0.23| 7.8 1.8 3000 6 18 315 9| 3.6 1.8 5.3| 65.2 -34.2 31.1 10.4 0.26| 6.8 1.8 4000 6 19 319 10| 2.7 1.3 4.1| 67.1 -34.2 32.9 8.2 0.27| 5.2 1.4 5000 7 19 322 10| 2.2 1.1 3.3| 68.9 -34.2 34.7 6.9 0.28| 4.3 1.2 6000 7 19 320 10| 1.9 1.6 3.4| 68.9 -51.4 17.5 2.9 0.07| 4.3 0.3 Wrote GIF file: /home/apache/climate/data/raob//U0046/skewt/U0046.skewt.20251208.00.gif