UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 13 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 122 SFC 938 650 7.0 5.5 90 1.5 6.2 40 5 285.3 286.4 282.3 302.2 6.04 2 925 765 6.2 4.6 89 1.6 5.4 25 5 285.6 286.6 282.1 301.8 5.75 3 850 1453 2.6 -1.3 75 3.9 0.8 250 7 288.9 289.6 281.6 300.6 4.09 4 847 1482 2.4 -1.5 75 3.9 0.7 250 7 289.0 289.7 281.6 300.6 4.04 5 826 1685 2.0 -1.8 76 3.8 0.3 247 10 290.6 291.3 282.3 302.4 4.05 6 814 1803 4.0 -0.6 72 4.6 1.8 246 12 294.0 294.8 284.2 307.1 4.50 7 748 2485 -1.7 -2.1 97 0.4 -1.9 237 21 295.0 295.7 284.5 307.9 4.38 8 700 3011 -4.3 -4.3 100 0.0 -4.3 230 29 297.7 298.4 285.2 309.6 3.97 9 552 4842 -15.9 -15.9 100 0.0 -15.9 234 47 304.9 305.3 285.8 311.3 2.00 10 500 5580 -21.1 -21.1 100 0.0 -21.1 235 54 307.3 307.6 286.0 311.9 1.42 11 400 7190 -33.1 -33.3 98 0.2 -33.1 240 64 312.0 312.1 286.7 314.0 0.58 12 388 7403 -34.7 -35.1 96 0.4 -34.7 239 65 312.6 312.7 286.9 314.3 0.50 13 300 9140 -50.3 -52.5 77 2.2 -50.4 230 69 314.5 314.5 287.0 314.8 0.10 14 270 9817 -56.5 -59.5 69 3.0 -56.6 236 85 315.1 315.1 287.2 315.2 0.05 15 250 10300 -60.7 -64.3 62 3.6 -60.7 240 97 315.8 315.8 287.4 315.9 0.03 16 233 10736 -63.9 -67.6 61 3.7 -63.9 240 106 317.4 317.4 287.9 317.5 0.02 17 223 11005 -65.9 -69.6 60 3.7 -65.9 245 95 318.3 318.3 288.2 318.4 0.01 18 200 11670 -64.3 -67.7 63 3.4 -64.3 245 66 330.9 330.9 292.0 331.0 0.02 19 150 13440 -60.7 -64.0 65 3.3 -60.7 265 52 365.5 365.5 299.8 365.7 0.05 20 146 13609 -60.5 -63.8 65 3.3 -60.6 265 51 368.7 368.7 300.4 368.9 0.05 21 100 15950 -64.3 -69.2 51 4.9 -64.4 265 42 403.5 403.5 305.7 403.7 0.03 22 88 16724 -66.3 -71.3 49 5.0 -66.4 272 42 414.5 414.5 307.1 414.7 0.03 23 73 17856 -64.5 -70.5 43 6.0 -64.6 283 42 441.1 441.1 310.0 441.3 0.04 24 70 18110 -66.1 -73.1 37 7.0 -66.2 285 42 443.0 443.0 310.2 443.1 0.03 25 65 18560 -68.1 -75.1 36 7.0 -68.2 284 43 448.1 448.1 310.7 448.2 0.02 26 50 20150 -66.5 -75.5 27 9.0 -66.7 280 46 486.8 486.8 314.0 486.9 0.03 27 45 20790 -65.1 -74.1 28 9.0 -65.4 505.1 505.1 315.3 505.3 0.04 28 41 21355 -66.9 -76.9 23 10.0 -67.1 514.2 514.2 315.9 514.4 0.03 29 39 21659 -64.3 -75.3 21 11.0 -64.7 528.2 528.2 316.8 528.4 0.04 TRP 223 11005 -65.9 -69.6 60 3.7 -65.9 245 95 318.3 318.3 288.2 318.4 0.01 WND 233 10736 -63.9 -67.6 61 3.7 -63.9 240 106 317.4 317.4 287.9 317.5 0.02 Sounding variables and indices 1000-500 mb thick: 5458.00 m Freezing level: 767.68 mb = 2281.58 m = 7485.41 ft Wetbulb zero: 781.43 mb = 2132.50 m = 6996.31 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 93.46 % Est. max temperature: 15.86 C = 60.55 F Sfc-Lift cond lev (LCL): 916.68 mb = 838.52 m = 2751.01 ft T: 5.82 C 700-500 lapse rate: 6.54 C/km ThetaE index: 1.61 C Layer 925.0- 826.0 mb Conv cond level (CCL): 764.63 mb = 2307.62 m = 7570.84 ft Mean mixing ratio: 4.93 g/kg Conv temperature: 16.21 C = 61.18 F Cap Strength: 6.17 C Lifted Index: 6.95 C Risk: None Lifted Index @300 mb: 9.45 C Lifted Index @700 mb: 4.41 C Showalter Index: 7.42 C Risk: None Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 19.80 C K Index: 22.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 68.00 Risk: None Energy Index: 2.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.15 J/kg Max Up Vert Vel: 4.28 m/s Conv Inhibition (B-): 27513.42 J/kg Cap Strength: 6.93 C Lift Cond Lev (LCL): 852.04 mb = 1433.50 m = 4703.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 at 25 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 ---------------------------------------------------------- 0 938 650 40 5 -3.2 -3.8 | 78 29 -28.6 -6.1 1 925 765 25 5 -2.1 -4.5 | 76 28 -27.5 -6.8 2 850 1453 250 7 6.6 2.4 | 90 19 -18.8 0.1 3 700 3011 230 29 22.2 18.6 | 169 17 -3.2 16.4 4 500 5580 235 54 44.2 31.0 | 213 34 18.9 28.7 5 400 7190 240 64 55.4 32.0 | 225 42 30.1 29.7 6 300 9140 230 69 52.9 44.4 | 213 50 27.5 42.1 7 250 10300 240 97 84.0 48.5 | 232 75 58.6 46.2 8 233 10736 240 106 91.8 53.0 | 233 84 66.4 50.7 9 223 11005 245 95 86.1 40.1 | 238 72 60.7 37.9 10 200 11670 245 66 59.8 27.9 | 233 43 34.4 25.6 11 150 13440 265 52 51.8 4.5 | 265 27 26.4 2.3 12 100 15950 265 42 41.8 3.7 | 265 17 16.5 1.4 13 70 18110 285 42 40.6 -10.9 | 311 20 15.2 -13.1 14 50 20150 280 46 45.3 -8.0 | 297 22 19.9 -10.2 Wind Parameters Mean winds (0-6000m): 234.9 at 34.0 knts Storm direction: 264.9 at 25.5 knts Shear (0-3000m) pos: 0.8 neg: 6.1 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 108.1 deg Storm rel helicity (0-3000m) pos: 124.5 neg: -20.7 tot: 103.8 m^2/s^2 ave: 34.6 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 180.76 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 ------------------------------------------------------------------------------- 500 355 5 73 26| 0.0 8.2 8.2| 3.3 -20.7 -17.5 -34.9 -0.26| 8.9 -2.4 1000 284 6 79 20| 0.0 7.4 7.4| 39.5 -20.7 18.8 18.8 0.27| 9.4 2.5 1500 255 9 90 17| 0.0 7.4 7.4| 60.3 -20.7 39.6 26.4 0.42| 8.7 3.6 2000 243 12 101 15| 0.0 7.4 7.4| 83.2 -20.7 62.5 31.3 0.54| 8.5 4.6 2500 236 15 114 14| 0.0 7.3 7.3|104.3 -20.7 83.6 33.5 0.58| 8.2 4.7 3000 235 18 126 14| 0.8 6.1 6.9|124.5 -20.7 103.8 34.6 0.61| 7.7 4.7 4000 234 23 150 13| 1.9 4.5 6.4|166.7 -20.7 146.0 36.5 0.63| 7.0 4.4 5000 234 29 173 15| 2.5 3.6 6.1|212.6 -20.7 191.9 38.4 0.62| 6.6 4.1 6000 235 34 188 17| 2.6 3.0 5.7|261.4 -20.7 240.7 40.1 0.63| 6.1 3.8 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251213.12.gif