UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 23 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 948 647 2.0 0.2 88 1.8 1.2 355 1 279.4 280.1 277.0 290.7 4.09 2 947 656 1.0 0.1 94 0.9 0.6 2 1 278.5 279.1 276.5 289.7 4.06 3 942 698 2.8 1.5 91 1.3 2.2 38 2 280.7 281.5 278.3 293.2 4.52 4 930 802 3.2 1.1 86 2.1 2.2 124 3 282.1 282.9 278.9 294.6 4.45 5 925 845 2.8 0.2 83 2.6 1.7 160 3 282.2 282.9 278.6 293.9 4.19 6 913 951 2.2 -1.7 75 3.9 0.5 177 4 282.6 283.2 278.2 293.0 3.69 7 908 995 2.6 -3.4 65 6.0 0.1 184 4 283.5 284.0 278.0 292.8 3.27 8 850 1526 0.0 -8.0 55 8.0 -2.9 270 9 286.1 286.6 278.3 293.3 2.46 9 702 3039 -7.5 -13.5 62 6.0 -9.4 250 3 293.9 294.3 281.3 299.8 1.92 10 700 3061 -7.7 -13.7 62 6.0 -9.6 250 3 294.0 294.3 281.2 299.7 1.89 11 527 5206 -22.3 -25.3 77 3.0 -22.9 166 11 301.3 301.5 283.1 304.3 0.93 12 500 5590 -24.9 -28.1 75 3.2 -25.4 150 13 302.7 302.8 283.5 305.2 0.76 13 400 7170 -37.5 -42.1 62 4.6 -37.8 135 13 306.3 306.3 284.2 307.1 0.24 14 339 8291 -46.3 -52.3 51 6.0 -46.5 37 11 309.1 309.1 285.1 309.4 0.09 15 300 9100 -48.5 -54.5 50 6.0 -48.7 325 9 317.0 317.0 287.9 317.3 0.08 16 286 9413 -48.9 -54.9 50 6.0 -49.1 328 13 320.8 320.8 289.0 321.1 0.08 17 250 10280 -56.1 -63.1 41 7.0 -56.2 335 23 322.7 322.7 289.6 322.8 0.03 18 229 10832 -59.7 -67.7 35 8.0 -59.8 321 25 325.4 325.4 290.4 325.4 0.02 19 200 11670 -62.7 -70.7 33 8.0 -62.8 300 27 333.5 333.5 292.7 333.5 0.01 20 196 11794 -63.3 -71.3 33 8.0 -63.4 300 25 334.4 334.4 292.9 334.5 0.01 21 172 12604 -59.5 -66.5 40 7.0 -59.6 285 29 353.5 353.5 297.4 353.6 0.03 22 150 13460 -59.7 -67.7 35 8.0 -59.9 270 33 367.2 367.2 300.1 367.4 0.03 23 100 16000 -60.3 -70.3 26 10.0 -60.5 265 35 411.2 411.2 306.7 411.4 0.03 24 70 18210 -61.9 -76.9 12 15.0 -62.2 275 38 452.0 452.0 311.0 452.0 0.02 25 62 18959 -62.3 -79.3 9 17.0 -62.6 271 39 467.0 467.0 312.4 467.1 0.01 26 50 20300 -57.5 -84.5 2 27.0 -58.3 265 42 508.0 508.0 315.5 508.0 0.01 27 49 20427 -57.1 -86.1 1 29.0 -57.9 265 42 511.9 511.9 315.8 511.9 0.00 28 30 23480 -62.3 -91.3 1 29.0 -63.0 265 48 574.8 574.8 319.4 574.8 0.00 29 27 24138 -61.7 -91.0 1 29.3 -62.5 265 60 594.1 594.1 320.3 594.1 0.00 30 22 25421 -60.5 -90.5 1 30.0 -61.6 258 50 633.5 633.5 322.0 633.5 0.00 31 20 26020 -59.5 -89.5 1 30.0 -60.9 255 46 654.0 654.0 322.9 654.1 0.01 32 17 27037 -59.7 -89.7 1 30.0 -61.3 684.5 684.5 323.9 684.6 0.01 33 11 29798 -53.5 -85.5 1 32.0 -57.4 797.8 797.8 327.2 798.0 0.02 TRP 196 11794 -63.3 -71.3 33 8.0 -63.4 300 25 334.4 334.4 292.9 334.5 0.01 WND 27 24138 -61.7 -91.0 1 29.3 -62.5 265 60 594.1 594.1 320.3 594.1 0.00 Sounding variables and indices 1000-500 mb thick: 5371.00 m Freezing level: 850.00 mb = 1526.00 m = 5006.50 ft Wetbulb zero: 905.42 mb = 1017.81 m = 3339.23 ft Precipitable water: 0.40 inches Sfc-500 mean rel hum: 66.50 % Est. max temperature: 11.19 C = 52.15 F Sfc-Lift cond lev (LCL): 921.79 mb = 873.06 m = 2864.34 ft T: 2.64 C 700-500 lapse rate: 6.80 C/km ThetaE index: 1.80 C Layer 925.0- 850.0 mb Conv cond level (CCL): 729.17 mb = 2738.46 m = 8984.35 ft Mean mixing ratio: 3.35 g/kg Conv temperature: 14.81 C = 58.66 F Cap Strength: 8.27 C Lifted Index: 8.98 C Risk: None Lifted Index @300 mb: 16.93 C Lifted Index @700 mb: 5.87 C Showalter Index: 8.89 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 16.90 C K Index: 10.90 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 2.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.20 J/kg Max Up Vert Vel: 6.81 m/s Conv Inhibition (B-): 50917.49 J/kg Cap Strength: 8.76 C Lift Cond Lev (LCL): 828.81 mb = 1725.60 m = 5661.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 207 at 6 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 ---------------------------------------------------------- 0 948 647 355 1 0.1 -1.0 | 22 7 -2.6 -6.4 1 925 845 160 3 -1.0 2.8 | 56 5 -3.7 -2.5 2 850 1526 270 9 9.0 -0.0 | 310 8 6.3 -5.4 3 700 3061 250 3 2.8 1.0 | 359 4 0.1 -4.3 4 500 5590 150 13 -6.5 11.3 | 123 11 -9.2 5.9 5 400 7170 135 13 -9.2 9.2 | 108 13 -11.9 3.8 6 300 9100 325 9 5.2 -7.4 | 349 13 2.5 -12.7 7 250 10280 335 23 9.7 -20.8 | 345 27 7.0 -26.2 8 200 11670 300 27 23.4 -13.5 | 312 28 20.7 -18.9 9 196 11794 300 25 21.7 -12.5 | 313 26 18.9 -17.9 10 150 13460 270 33 33.0 -0.0 | 280 31 30.3 -5.4 11 100 16000 265 35 34.9 3.1 | 274 32 32.2 -2.3 12 70 18210 275 38 37.9 -3.3 | 284 36 35.1 -8.7 13 50 20300 265 42 41.8 3.7 | 272 39 39.1 -1.7 14 30 23480 265 48 47.8 4.2 | 272 45 45.1 -1.2 15 27 24138 265 60 59.8 5.2 | 270 57 57.1 -0.1 16 20 26020 255 46 44.4 11.9 | 261 42 41.7 6.5 Wind Parameters Mean winds (0-6000m): 176.8 at 8.0 knts Storm direction: 206.8 at 6.0 knts Shear (0-3000m) pos: 1.3 neg: 1.6 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): -56.5 deg Storm rel helicity (0-3000m) pos: 15.8 neg: -1.8 tot: 14.0 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.91 Bulk Shear: 2.93 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 ------------------------------------------------------------------------------- 500 187 3 49 3| 0.0 6.7 6.7| 7.1 -0.2 6.9 13.7 0.31| 10.6 3.2 1000 252 6 325 4| 3.8 3.4 7.2| 10.3 -0.4 9.9 9.9 0.19| 10.0 1.9 1500 259 6 321 5| 2.6 2.3 4.9| 11.9 -0.4 11.5 7.7 0.22| 7.4 1.6 2000 260 6 323 5| 1.9 1.8 3.7| 14.0 -0.4 13.6 6.8 0.27| 6.1 1.6 2500 260 6 328 5| 1.5 1.6 3.1| 15.8 -0.6 15.2 6.1 0.30| 5.3 1.6 3000 257 5 328 5| 1.3 1.6 2.9| 15.8 -1.8 14.0 4.7 0.22| 4.8 1.0 4000 236 6 314 3| 1.0 2.0 3.0| 15.8 -4.0 11.9 3.0 0.05| 4.4 0.2 5000 199 7 159 1| 0.8 2.2 2.9| 15.8 -13.4 2.4 0.5 -0.07| 4.4 -0.3 6000 177 8 130 4| 0.6 1.8 2.5| 15.8 -19.2 -3.4 -0.6 -0.11| 3.9 -0.4 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251223.12.gif