UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110412.upa.cvt Date: 1200Z 4 NOV 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 4 NOV 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 1002 111 -22.9 -26.4 73 3.5 -23.2 315 5 250.1 250.2 249.7 251.3 0.44 1 1000 126 -23.5 -27.6 69 4.1 -23.9 320 5 249.6 249.7 249.3 250.7 0.40 2 955 461 -26.5 -30.1 72 3.6 -26.8 326 13 249.9 250.0 249.3 250.8 0.33 3 925 691 -26.5 -29.7 74 3.2 -26.8 330 19 252.2 252.3 251.4 253.2 0.35 4 904 856 -27.3 -30.1 77 2.8 -27.5 334 18 253.0 253.1 252.1 254.0 0.35 5 854 1268 -24.5 -27.3 78 2.8 -24.8 344 17 260.1 260.2 258.3 261.5 0.48 6 850 1302 -24.5 -27.3 78 2.8 -24.8 345 17 260.5 260.6 258.6 261.8 0.48 7 834 1440 -25.3 -28.1 77 2.8 -25.6 345 18 261.1 261.1 258.9 262.3 0.45 8 788 1851 -27.1 -30.3 74 3.2 -27.4 347 22 263.4 263.5 260.6 264.5 0.39 9 725 2451 -27.5 -32.5 62 5.0 -28.0 349 27 269.3 269.4 264.8 270.3 0.34 10 700 2703 -29.3 -36.3 51 7.0 -29.9 350 29 270.0 270.1 265.2 270.8 0.24 11 622 3534 -35.5 -44.5 39 9.0 -36.0 341 32 272.2 272.2 266.4 272.6 0.12 12 560 4255 -40.9 -49.9 37 9.0 -41.2 333 35 274.1 274.2 267.6 274.4 0.07 13 500 5020 -43.5 -51.5 41 8.0 -43.7 325 38 280.0 280.0 271.3 280.2 0.07 14 400 6500 -48.9 -57.9 34 9.0 -49.1 310 46 291.4 291.4 277.4 291.6 0.04 15 345 7465 -52.7 -62.7 29 10.0 -52.8 305 44 298.9 298.9 280.9 299.0 0.02 16 317 8012 -53.1 -63.1 29 10.0 -53.2 305 42 305.6 305.7 283.7 305.7 0.02 17 300 8370 -51.1 -61.1 29 10.0 -51.3 305 40 313.3 313.3 286.5 313.5 0.03 18 250 9550 -51.5 -63.5 23 12.0 -51.8 305 40 329.5 329.5 291.6 329.6 0.03 19 236 9928 -49.9 -62.9 20 13.0 -50.3 301 38 337.4 337.4 293.7 337.5 0.03 20 200 11010 -52.3 -67.3 15 15.0 -52.6 290 31 349.9 350.0 296.7 350.0 0.02 21 150 12860 -53.1 -71.1 9 18.0 -53.5 290 29 378.6 378.6 302.1 378.7 0.02 22 100 15460 -55.9 -75.9 6 20.0 -56.3 265 31 419.7 419.7 307.7 419.8 0.01 23 76 17201 -56.9 -76.9 6 20.0 -57.4 253 33 451.9 451.9 311.0 452.0 0.01 24 70 17720 -58.1 -78.1 6 20.0 -58.6 250 33 460.1 460.1 311.8 460.2 0.01 25 54 19340 -61.9 -81.9 5 20.0 -62.3 486.8 486.8 314.0 486.8 0.01 TRP 345 7465 -52.7 -62.7 29 10.0 -52.8 305 44 298.9 298.9 280.9 299.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4894.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 56.71 % Est. max temperature: -12.70 C = 9.15 F Sfc-Lift cond lev (LCL): 945.35 mb = 533.85 m = 1751.46 ft T: -26.50 C 700-500 lapse rate: 6.13 C/km ThetaE index: 0.58 C Layer 1000.0- 955.0 mb Conv cond level (CCL): 647.82 mb = 3247.89 m = 10655.67 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -1.51 C = 29.28 F Cap Strength: 18.96 C Lifted Index: 23.10 C Risk: None Lifted Index @300 mb: 43.57 C Lifted Index @700 mb: 16.68 C Showalter Index: 14.96 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 16.20 C K Index: -15.30 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 3.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.80 J/kg Max Up Vert Vel: 5.44 m/s Conv Inhibition (B-): 41737.09 J/kg Cap Strength: 22.63 C Lift Cond Lev (LCL): 896.94 mb = 913.08 m = 2995.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 3 at 22 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 1002 111 315 5 3.5 -3.5 | 195 19 4.8 18.1 1 1000 126 320 5 3.2 -3.8 | 194 18 4.5 17.8 2 925 691 330 19 9.5 -16.5 | 244 12 10.8 5.2 3 850 1302 345 17 4.4 -16.4 | 227 8 5.7 5.2 4 700 2703 350 29 5.0 -28.6 | 317 9 6.3 -6.9 5 500 5020 325 38 21.8 -31.1 | 292 25 23.1 -9.5 6 400 6500 310 46 35.2 -29.6 | 282 37 36.5 -7.9 7 345 7465 305 44 36.0 -25.2 | 275 37 37.3 -3.6 8 300 8370 305 40 32.8 -22.9 | 272 34 34.0 -1.3 9 250 9550 305 40 32.8 -22.9 | 272 34 34.0 -1.3 10 200 11010 290 31 29.1 -10.6 | 250 32 30.4 11.1 11 150 12860 290 29 27.3 -9.9 | 248 31 28.5 11.8 12 100 15460 265 31 30.9 2.7 | 233 40 32.2 24.4 13 70 17720 250 33 31.0 11.3 | 224 46 32.3 33.0 Wind Parameters Mean winds (0-6000m): 333.4 at 28.9 knts Storm direction: 3.4 at 21.7 knts Shear (0-3000m) pos: 4.2 neg: 0.5 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 117.0 deg Storm rel helicity (0-3000m) pos: 66.5 neg: -9.4 tot: 57.1 m^2/s^2 ave: 19.0 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 43.97 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 ------------------------------------------------------------------------------- 500 327 11 210 15| 12.6 0.0 12.6| 40.4 0.0 40.4 80.7 0.84| 12.6 10.6 1000 332 15 223 12| 6.8 0.0 6.8| 46.4 -4.2 42.2 42.2 0.60| 9.1 5.5 1500 336 16 226 11| 5.3 0.0 5.3| 50.8 -6.5 44.3 29.5 0.55| 7.5 4.1 2000 340 17 232 9| 5.1 0.0 5.1| 57.9 -6.5 51.4 25.7 0.62| 6.7 4.2 2500 343 19 243 8| 5.0 0.0 5.0| 65.2 -6.5 58.7 23.5 0.65| 6.3 4.1 3000 344 21 255 7| 4.2 0.5 4.7| 66.5 -9.4 57.1 19.0 0.57| 5.8 3.3 4000 342 24 276 8| 3.1 1.3 4.4| 66.5 -21.1 45.4 11.4 0.40| 5.3 2.1 5000 338 26 284 11| 2.5 1.8 4.3| 66.5 -41.5 25.0 5.0 0.26| 5.1 1.3 6000 333 29 286 15| 2.1 2.3 4.4| 66.5 -69.5 -3.0 -0.5 0.16| 5.0 0.8 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251104.12.gif