UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 1 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 237 SFC 949 649 -4.1 -10.1 63 6.0 -5.9 260 3 273.1 273.4 270.1 278.3 1.87 2 948 658 -4.3 -10.3 63 6.0 -6.1 273.0 273.3 270.0 278.1 1.84 3 944 691 1.0 -6.0 59 7.0 -1.6 278.7 279.1 274.5 286.0 2.58 4 942 708 1.4 -5.6 60 7.0 -1.2 279.3 279.7 275.0 286.8 2.67 5 925 855 1.8 -6.2 55 8.0 -1.2 85 3 281.1 281.6 275.9 288.5 2.60 6 885 1211 0.8 -8.2 51 9.0 -2.4 283.7 284.1 276.9 290.4 2.32 7 856 1480 3.4 -8.6 41 12.0 -1.2 289.1 289.5 279.6 296.0 2.33 8 850 1537 3.2 -8.8 41 12.0 -1.3 75 13 289.5 289.9 279.7 296.3 2.31 9 761 2430 1.6 -11.4 37 13.0 -3.2 297.1 297.5 282.8 303.5 2.10 10 700 3096 -3.5 -11.5 54 8.0 -6.4 220 9 298.6 299.0 283.6 305.6 2.26 11 536 5133 -22.5 -29.5 53 7.0 -23.6 299.6 299.7 282.0 301.6 0.62 12 500 5640 -26.1 -33.1 52 7.0 -27.1 220 21 301.2 301.3 282.5 302.8 0.47 13 414 6973 -36.3 -43.3 48 7.0 -36.8 304.8 304.8 283.6 305.5 0.20 14 400 7210 -37.5 -45.5 43 8.0 -38.0 235 38 306.3 306.3 284.1 306.8 0.16 15 300 9150 -48.5 -57.5 34 9.0 -48.7 235 29 317.0 317.0 287.8 317.2 0.05 16 254 10238 -54.5 -64.5 28 10.0 -54.6 323.6 323.6 289.9 323.7 0.03 17 250 10340 -54.5 -63.5 32 9.0 -54.6 235 25 325.0 325.0 290.3 325.2 0.03 18 228 10928 -56.3 -66.3 27 10.0 -56.5 250 21 331.0 331.0 292.0 331.1 0.02 19 200 11760 -56.9 -66.9 27 10.0 -57.1 260 21 342.7 342.7 295.0 342.8 0.02 20 170 12789 -55.7 -65.7 28 10.0 -55.9 361.0 361.0 298.9 361.1 0.03 21 150 13580 -57.5 -67.5 27 10.0 -57.7 255 33 371.0 371.0 300.8 371.1 0.03 22 119 15028 -62.3 -74.3 19 12.0 -62.4 387.6 387.6 303.5 387.7 0.01 23 100 16100 -63.9 -77.9 13 14.0 -64.1 270 46 404.3 404.3 305.7 404.3 0.01 24 70 18270 -65.7 -93.7 1 28.0 -65.9 275 42 443.8 443.8 310.3 443.8 0.00 25 50 20300 -68.3 -95.3 1 27.0 -68.5 290 44 482.5 482.5 313.7 482.5 0.00 26 41 21483 -70.5 -97.5 1 27.0 -70.7 505.2 505.2 315.3 505.2 0.00 27 30 23340 -69.3 -96.3 1 27.0 -69.6 300 60 555.7 555.7 318.4 555.7 0.00 28 25 24428 -70.3 -97.3 1 27.0 -70.6 582.6 582.6 319.8 582.6 0.00 29 20 25770 -66.1 -94.1 1 28.0 -66.7 285 64 633.8 633.8 322.0 633.9 0.00 30 19 26082 -65.1 -93.1 1 28.0 -65.8 646.3 646.3 322.6 646.3 0.00 31 12 28877 -65.9 -93.9 1 28.0 -67.0 734.3 734.3 325.5 734.3 0.00 TRP 228 10928 -56.3 -66.3 27 10.0 -56.5 250 21 331.0 331.0 292.0 331.1 0.02 WND 11 280 85 Sounding variables and indices 1000-500 mb thick: 5403.00 m Freezing level: Surface below freezing Freezing level: 944.75 mb = 685.07 m = 2247.57 ft Freezing level: 741.86 mb = 2638.79 m = 8657.33 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 49.45 % Est. max temperature: 16.20 C = 61.16 F Sfc-Lift cond lev (LCL): 863.02 mb = 1413.98 m = 4639.00 ft T: 2.76 C 700-500 lapse rate: 8.88 C/km ThetaE index: 0.20 C Layer 948.0- 944.0 mb Conv cond level (CCL): 619.60 mb = 4026.83 m = 13211.22 ft Mean mixing ratio: 2.43 g/kg Conv temperature: 21.66 C = 70.99 F Cap Strength: 12.24 C Lifted Index: 9.86 C Risk: None Lifted Index @300 mb: 18.92 C Lifted Index @700 mb: 11.89 C Showalter Index: 5.46 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 17.30 C K Index: 12.50 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 1.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.50 J/kg Max Up Vert Vel: 9.22 m/s Conv Inhibition (B-): 49340.24 J/kg Cap Strength: 12.21 C Lift Cond Lev (LCL): 779.07 mb = 2240.35 m = 7350.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 11 36313 280 85 83.7 -14.8 1 949 649 260 3 3.0 0.5 2 925 855 85 3 -3.0 -0.3 3 850 1537 75 13 -12.6 -3.4 4 700 3096 220 9 5.8 6.9 5 500 5640 220 21 13.5 16.1 6 400 7210 235 38 31.1 21.8 7 300 9150 235 29 23.8 16.6 8 250 10340 235 25 20.5 14.3 9 228 10928 250 21 19.7 7.2 10 200 11760 260 21 20.7 3.6 11 150 13580 255 33 31.9 8.5 12 100 16100 270 46 46.0 -0.0 13 70 18270 275 42 41.8 -3.7 14 50 20300 290 44 41.3 -15.0 15 30 23340 300 60 52.0 -30.0 16 20 25770 285 64 61.8 -16.6 Wind Parameters Energy-Hel index: -2.66 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251201.00.gif