UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 7 DEC 25 Station: X8341 WMO ident: 38341 Latitude: 42.85 Longitude: 71.38 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 219 SFC 948 651 2.0 -0.9 81 2.9 0.8 265 3 279.4 280.0 276.6 289.9 3.77 2 946 668 1.0 -1.6 83 2.6 -0.1 256 3 278.5 279.1 275.9 288.5 3.59 3 942 702 3.8 0.5 79 3.3 2.3 238 2 281.7 282.4 278.4 293.5 4.21 4 938 737 4.2 0.8 79 3.4 2.7 220 2 282.5 283.2 278.9 294.6 4.32 5 931 798 5.0 0.5 73 4.5 2.9 188 2 283.9 284.6 279.5 295.9 4.26 6 925 851 5.0 0.9 75 4.1 3.1 160 1 284.4 285.2 279.9 296.9 4.41 7 911 975 5.0 -1.0 65 6.0 2.3 177 2 285.7 286.3 279.9 296.8 3.90 8 907 1011 5.0 -4.0 52 9.0 1.3 182 2 286.0 286.6 279.1 295.0 3.13 9 850 1539 3.2 -8.8 41 12.0 -1.3 255 5 289.5 289.9 279.7 296.3 2.31 10 845 1587 3.0 -9.0 41 12.0 -1.5 255 6 289.8 290.2 279.8 296.6 2.29 11 747 2570 -5.1 -5.5 97 0.4 -5.3 248 20 291.4 292.0 281.9 301.3 3.39 12 700 3077 -9.1 -10.8 87 1.7 -9.6 245 27 292.4 292.8 281.1 299.6 2.39 13 646 3691 -14.3 -15.4 91 1.1 -14.6 246 32 293.3 293.6 280.8 298.7 1.78 14 629 3893 -15.7 -21.7 60 6.0 -17.0 247 34 294.0 294.1 280.1 297.3 1.07 15 626 3929 -15.5 -24.5 46 9.0 -17.3 247 34 294.6 294.7 280.1 297.3 0.84 16 610 4123 -16.9 -31.9 26 15.0 -19.3 247 36 295.2 295.2 279.8 296.6 0.43 17 563 4719 -22.1 -23.4 89 1.3 -22.4 248 41 295.9 296.1 281.0 299.1 1.03 18 553 4850 -23.1 -25.5 81 2.4 -23.5 249 42 296.2 296.4 280.9 299.0 0.87 19 552 4863 -23.1 -26.3 75 3.2 -23.7 249 42 296.4 296.5 280.9 299.0 0.81 20 542 4997 -23.9 -34.9 36 11.0 -25.3 249 43 297.0 297.0 280.6 298.2 0.36 21 525 5229 -25.7 -37.7 32 12.0 -27.0 249 45 297.5 297.6 280.7 298.5 0.28 22 500 5580 -28.5 -31.5 75 3.0 -28.9 250 48 298.3 298.4 281.4 300.1 0.55 23 491 5710 -29.5 -31.3 84 1.8 -29.7 250 49 298.6 298.7 281.5 300.5 0.57 24 419 6822 -38.7 -41.3 76 2.6 -38.9 246 54 300.7 300.7 282.0 301.5 0.24 25 400 7140 -40.7 -43.6 74 2.9 -40.9 245 56 302.1 302.1 282.5 302.8 0.20 26 356 7924 -46.3 -50.4 63 4.1 -46.4 250 67 304.8 304.8 283.5 305.2 0.11 27 317 8690 -49.7 -59.3 31 9.6 -49.9 255 77 310.4 310.4 285.5 310.6 0.04 28 308 8878 -50.5 -61.5 26 11.0 -50.7 255 74 311.8 311.8 286.0 311.9 0.03 29 300 9050 -50.5 -62.5 23 12.0 -50.7 255 71 314.2 314.2 286.8 314.3 0.03 30 250 10220 -55.3 -70.3 14 15.0 -55.5 265 54 323.9 323.9 289.9 323.9 0.01 31 227 10832 -57.5 -73.5 11 16.0 -57.7 270 46 329.6 329.6 291.6 329.6 0.01 32 200 11630 -58.3 -75.3 10 17.0 -58.5 275 44 340.4 340.4 294.4 340.5 0.01 33 150 13450 -59.5 -83.5 3 24.0 -59.7 270 42 367.6 367.6 300.1 367.6 0.00 34 119 14909 -56.9 -87.9 1 31.0 -57.3 267 41 397.5 397.5 304.9 397.5 0.00 35 100 16000 -61.7 -90.7 1 29.0 -61.9 265 40 408.5 408.5 306.3 408.5 0.00 36 77 17600 -65.5 -93.5 1 28.0 -65.7 276 49 432.3 432.3 309.1 432.3 0.00 37 70 18180 -64.3 -93.3 1 29.0 -64.6 280 52 446.8 446.8 310.6 446.8 0.00 38 50 20240 -64.5 -92.5 1 28.0 -64.8 285 42 491.5 491.5 314.3 491.5 0.00 39 45 20885 -63.3 -92.3 1 29.0 -63.7 285 47 509.4 509.4 315.6 509.4 0.00 40 30 23340 -68.9 -95.9 1 27.0 -69.2 285 66 556.8 556.8 318.5 556.8 0.00 41 20 25790 -66.9 -94.9 1 28.0 -67.5 285 68 631.4 631.4 322.0 631.4 0.00 42 16 27139 -66.5 -94.5 1 28.0 -67.2 674.3 674.3 323.6 674.3 0.00 TRP 227 10832 -57.5 -73.5 11 16.0 -57.7 270 46 329.6 329.6 291.6 329.6 0.01 WND 317 8690 -49.7 -59.3 31 9.6 -49.9 255 77 310.4 310.4 285.5 310.6 0.04 Sounding variables and indices 1000-500 mb thick: 5361.00 m Freezing level: 808.70 mb = 1951.00 m = 6400.83 ft Wetbulb zero: 946.22 mb = 666.11 m = 2185.37 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 66.15 % Est. max temperature: 12.99 C = 55.39 F Sfc-Lift cond lev (LCL): 906.21 mb = 1018.41 m = 3341.21 ft T: 4.98 C 700-500 lapse rate: 7.75 C/km ThetaE index: 4.75 C Layer 700.0- 563.0 mb Conv cond level (CCL): 732.50 mb = 2723.08 m = 8933.88 ft Mean mixing ratio: 3.26 g/kg Conv temperature: 14.12 C = 57.42 F Cap Strength: 4.17 C Lifted Index: 3.65 C Risk: None Lifted Index @300 mb: 13.29 C Lifted Index @700 mb: 2.98 C Showalter Index: 3.06 C Risk: None Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.70 C Cross Totals Index: 19.70 C K Index: 21.20 Risk: 20-40 % chance of thunderstorms Sweat Index: 106.00 Risk: None Energy Index: 0.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.58 J/kg Max Up Vert Vel: 7.95 m/s Conv Inhibition (B-): 42123.88 J/kg Cap Strength: 4.17 C Lift Cond Lev (LCL): 793.98 mb = 2083.63 m = 6835.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 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 ---------------------------------------------------------- 0 948 651 265 3 3.0 0.3 | 100 19 -19.2 3.4 1 925 851 160 1 -0.3 0.9 | 100 23 -22.5 4.0 2 850 1539 255 5 4.8 1.3 | 104 18 -17.4 4.4 3 700 3077 245 27 24.5 11.4 | 189 15 2.3 14.5 4 500 5580 250 48 45.1 16.4 | 230 30 22.9 19.5 5 400 7140 245 56 50.8 23.7 | 227 39 28.6 26.8 6 317 8690 255 77 74.4 19.9 | 246 57 52.2 23.0 7 300 9050 255 71 68.6 18.4 | 245 51 46.4 21.5 8 250 10220 265 54 53.8 4.7 | 256 33 31.6 7.8 9 227 10832 270 46 46.0 -0.0 | 263 24 23.8 3.1 10 200 11630 275 44 43.8 -3.8 | 272 22 21.6 -0.7 11 150 13450 270 42 42.0 -0.0 | 261 20 19.8 3.1 12 100 16000 265 40 39.8 3.5 | 250 19 17.7 6.6 13 70 18180 280 52 51.2 -9.0 | 282 30 29.0 -5.9 14 50 20240 285 42 40.6 -10.9 | 293 20 18.4 -7.8 15 30 23340 285 66 63.8 -17.1 | 289 44 41.6 -14.0 16 20 25790 285 68 65.7 -17.6 | 288 46 43.5 -14.5 Wind Parameters Mean winds (0-6000m): 247.9 at 29.9 knts Storm direction: 277.9 at 22.4 knts Shear (0-3000m) pos: 1.6 neg: 3.5 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 103.5 deg Storm rel helicity (0-3000m) pos: 98.1 neg: -9.0 tot: 89.1 m^2/s^2 ave: 29.7 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.30 Bulk Shear: 106.59 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 ------------------------------------------------------------------------------- 500 210 2 103 22| 0.0 3.1 3.1| 16.8 -6.0 10.8 21.7 0.31| 6.4 1.9 1000 246 3 103 20| 2.8 1.6 4.3| 23.5 -9.0 14.4 14.4 0.22| 6.2 1.3 1500 250 5 106 18| 1.9 2.3 4.2| 43.1 -9.0 34.0 22.7 0.42| 6.6 2.7 2000 249 8 113 16| 1.4 3.6 5.0| 63.9 -9.0 54.8 27.4 0.57| 6.8 3.9 2500 246 12 124 14| 1.1 4.2 5.4| 83.4 -9.0 74.3 29.7 0.62| 6.8 4.3 3000 246 15 135 13| 1.6 3.5 5.2| 98.1 -9.0 89.1 29.7 0.65| 6.4 4.1 4000 247 20 161 12| 2.3 2.7 4.9|129.2 -9.0 120.2 30.0 0.65| 5.9 3.9 5000 248 25 186 13| 2.7 2.1 4.8|160.4 -9.0 151.4 30.3 0.63| 5.6 3.5 6000 248 30 201 15| 2.2 2.3 4.5|160.4 -17.7 142.7 23.8 0.56| 5.2 2.9 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251207.00.gif