UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U4343... Searching the city database file for: U4343 ... Date:1200Z 7 DEC 25 Station: U4343 WMO ident: 24343 Latitude: 66.77 Longitude: 123.40 ------------------------------------------------------------------------------- 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 1006 82 -31.7 -37.7 55 6.0 -32.0 180 5 241.0 241.1 240.8 241.4 0.15 1 1000 124 -32.7 -37.7 61 5.0 -32.9 180 7 240.4 240.5 240.2 240.9 0.15 2 985 230 -33.3 -38.3 61 5.0 -33.5 190 7 240.9 240.9 240.6 241.3 0.14 3 925 676 -29.3 -34.0 64 4.7 -29.6 230 7 249.3 249.4 248.6 250.0 0.23 4 922 699 -29.1 -33.8 64 4.7 -29.4 234 7 249.8 249.8 249.0 250.4 0.24 5 894 919 -29.9 -34.2 66 4.3 -30.2 270 9 251.2 251.2 250.2 251.8 0.24 6 872 1097 -27.7 -32.0 67 4.3 -28.0 300 10 255.3 255.3 253.9 256.1 0.30 7 850 1280 -28.5 -32.5 68 4.0 -28.8 330 11 256.3 256.3 254.7 257.1 0.29 8 814 1589 -29.7 -33.6 69 3.9 -30.0 328 14 258.2 258.3 256.3 259.0 0.28 9 772 1968 -26.5 -29.9 73 3.4 -26.8 325 18 265.6 265.7 262.3 266.8 0.41 10 700 2671 -28.9 -32.7 70 3.8 -29.2 320 25 270.5 270.5 265.7 271.5 0.35 11 573 4088 -34.3 -38.0 69 3.7 -34.6 338 18 280.1 280.1 271.6 280.9 0.25 12 500 5030 -40.3 -44.0 68 3.7 -40.5 350 13 283.9 283.9 273.7 284.4 0.15 13 462 5560 -44.3 -48.1 66 3.8 -44.5 355 14 285.4 285.4 274.4 285.8 0.11 14 400 6510 -48.9 -52.7 64 3.8 -49.0 5 17 291.4 291.4 277.5 291.7 0.07 15 307 8215 -59.7 -63.6 60 3.9 -59.7 20 13 299.2 299.2 281.0 299.3 0.02 16 306 8236 -59.7 -63.6 60 3.9 -59.7 21 13 299.5 299.5 281.1 299.6 0.02 17 300 8360 -59.7 -63.6 60 3.9 -59.7 25 13 301.2 301.2 281.9 301.3 0.02 18 250 9500 -57.5 -61.3 62 3.8 -57.6 105 7 320.6 320.6 289.0 320.7 0.04 19 233 9947 -56.9 -60.7 62 3.8 -57.0 121 8 328.0 328.0 291.2 328.2 0.05 20 200 10920 -55.3 -59.5 59 4.2 -55.4 155 11 345.2 345.2 295.6 345.5 0.06 21 184 11451 -55.1 -59.6 57 4.5 -55.2 159 13 353.8 353.9 297.5 354.1 0.07 22 150 12750 -56.1 -62.1 47 6.0 -56.3 170 19 373.4 373.4 301.2 373.7 0.06 23 100 15320 -58.1 -66.1 35 8.0 -58.3 175 29 415.5 415.5 307.2 415.7 0.05 24 70 17540 -59.5 -69.5 26 10.0 -59.8 190 38 457.1 457.1 311.5 457.4 0.05 25 50 19640 -61.1 -72.1 22 11.0 -61.5 195 54 499.5 499.5 314.9 499.8 0.05 26 47 20023 -62.5 -73.5 21 11.0 -62.9 505.1 505.1 315.3 505.3 0.04 27 35 21841 -62.7 -74.5 19 11.8 -63.1 210 66 549.1 549.1 318.1 549.4 0.05 28 33 22204 -62.7 -74.7 18 12.0 -63.2 558.3 558.3 318.6 558.6 0.05 TRP 307 8215 -59.7 -63.6 60 3.9 -59.7 20 13 299.2 299.2 281.0 299.3 0.02 WND 35 21841 -62.7 -74.5 19 11.8 -63.1 210 66 549.1 549.1 318.1 549.4 0.05 Sounding variables and indices 1000-500 mb thick: 4906.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 68.19 % Est. max temperature: -16.71 C = 1.93 F Sfc-Lift cond lev (LCL): 907.89 mb = 809.03 m = 2654.25 ft T: -29.50 C 700-500 lapse rate: 4.83 C/km ThetaE index: 0.59 C Layer 1000.0- 985.0 mb Conv cond level (CCL): 478.92 mb = 5319.02 m = 17450.64 ft Mean mixing ratio: 0.19 g/kg Conv temperature: 12.07 C = 53.73 F Cap Strength: 29.31 C Lifted Index: 31.34 C Risk: None Lifted Index @300 mb: 39.30 C Lifted Index @700 mb: 22.47 C Showalter Index: 22.02 C Risk: None Total Totals Index: 19.60 C Risk: None Vertical Totals Index: 11.80 C Cross Totals Index: 7.80 C K Index: -24.50 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 5.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.67 J/kg Max Up Vert Vel: 7.70 m/s Conv Inhibition (B-): 49433.41 J/kg Cap Strength: 31.25 C Lift Cond Lev (LCL): 882.60 mb = 1010.54 m = 3315.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 at 12 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 1006 82 180 5 0.0 5.0 | 179 17 -0.2 16.8 1 1000 124 180 7 0.0 7.0 | 180 19 -0.2 18.8 2 925 676 230 7 5.4 4.5 | 198 17 5.2 16.3 3 850 1280 330 11 5.5 -9.5 | 247 6 5.3 2.3 4 700 2671 320 25 16.1 -19.2 | 295 18 15.9 -7.3 5 500 5030 350 13 2.3 -12.8 | 295 2 2.1 -1.0 6 400 6510 5 17 -1.5 -16.9 | 18 5 -1.6 -5.1 7 307 8215 20 13 -4.4 -12.2 | 85 5 -4.6 -0.4 8 300 8360 25 13 -5.5 -11.8 | 90 6 -5.7 0.0 9 250 9500 105 7 -6.8 1.8 | 153 15 -6.9 13.6 10 200 10920 155 11 -4.6 10.0 | 168 22 -4.8 21.8 11 150 12750 170 19 -3.3 18.7 | 174 31 -3.5 30.5 12 100 15320 175 29 -2.5 28.9 | 176 41 -2.7 40.7 13 70 17540 190 38 6.6 37.4 | 187 50 6.4 49.2 14 50 19640 195 54 14.0 52.2 | 192 65 13.8 64.0 Wind Parameters Mean winds (0-6000m): 329.2 at 15.8 knts Storm direction: 359.2 at 11.8 knts Shear (0-3000m) pos: 3.1 neg: 1.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 119.0 deg Storm rel helicity (0-3000m) pos: 86.4 neg: 0.0 tot: 86.4 m^2/s^2 ave: 28.8 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.51 Bulk Shear: 57.80 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 ------------------------------------------------------------------------------- 500 199 7 187 18| 4.8 0.0 4.8| 23.5 0.0 23.5 47.0 0.75| 6.7 5.0 1000 231 7 199 17| 6.6 0.0 6.6| 59.0 0.0 59.0 59.0 0.78| 9.1 7.1 1500 279 9 219 13| 6.3 0.0 6.3| 69.5 0.0 69.5 46.3 0.71| 9.2 6.5 2000 304 11 236 10| 4.7 1.3 6.1| 76.3 0.0 76.3 38.1 0.69| 8.2 5.6 2500 312 13 251 10| 3.8 2.1 5.9| 81.3 0.0 81.3 32.5 0.63| 7.6 4.8 3000 315 15 262 10| 3.1 1.8 4.8| 86.4 0.0 86.4 28.8 0.60| 7.0 4.2 4000 320 16 273 10| 1.9 1.3 3.2| 91.1 0.0 91.1 22.8 0.54| 6.1 3.3 5000 324 16 277 9| 1.3 1.1 2.4| 91.3 -0.5 90.8 18.2 0.48| 5.5 2.6 6000 329 16 282 8| 1.4 0.9 2.3| 93.7 -0.5 93.2 15.5 0.50| 4.9 2.5 Wrote GIF file: /home/apache/climate/data/raob//U4343/skewt/U4343.skewt.20251207.12.gif