UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 12 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 120 SFC 938 651 8.0 4.9 81 3.1 6.4 240 3 286.3 287.4 282.4 302.6 5.79 2 934 686 9.4 5.2 75 4.2 7.2 238 5 288.1 289.2 283.4 304.9 5.94 3 925 767 9.0 4.0 71 5.0 6.4 235 9 288.5 289.5 283.1 304.2 5.51 4 908 921 9.2 2.2 62 7.0 5.7 251 9 290.3 291.1 283.2 304.5 4.94 5 860 1368 6.0 -4.0 49 10.0 1.7 300 9 291.5 292.0 281.8 301.2 3.30 6 850 1464 6.2 -3.8 49 10.0 1.8 310 9 292.6 293.2 282.4 302.6 3.39 7 787 2093 4.8 -2.2 60 7.0 1.5 251 11 297.7 298.4 285.3 310.0 4.13 8 751 2473 2.4 -4.6 60 7.0 -0.7 214 13 299.1 299.7 285.3 310.0 3.62 9 708 2946 -2.1 -2.7 96 0.6 -2.4 169 15 299.2 300.0 286.2 312.5 4.43 10 700 3036 -2.5 -2.5 100 0.0 -2.5 160 15 299.7 300.5 286.5 313.4 4.55 11 500 5640 -17.1 -17.1 100 0.0 -17.1 235 52 312.2 312.6 288.3 318.7 2.00 12 490 5791 -18.1 -18.1 100 0.0 -18.1 236 52 312.8 313.1 288.4 318.9 1.88 13 400 7270 -28.9 -28.9 100 0.0 -28.9 245 48 317.4 317.6 288.9 320.5 0.88 14 300 9260 -45.3 -47.2 81 1.9 -45.4 245 58 321.5 321.5 289.4 322.2 0.18 15 250 10450 -56.3 -59.6 66 3.3 -56.3 245 58 322.4 322.4 289.5 322.6 0.05 16 200 11820 -69.1 -74.1 48 5.0 -69.1 240 60 323.3 323.3 289.8 323.4 0.01 17 191 12094 -71.3 -76.3 47 5.0 -71.3 240 66 324.1 324.1 290.0 324.1 0.01 18 187 12220 -71.4 -76.3 48 4.9 -71.5 245 69 325.8 325.8 290.5 325.9 0.01 19 173 12680 -71.9 -76.2 52 4.3 -71.9 243 66 332.4 332.4 292.4 332.4 0.01 20 164 12998 -69.1 -73.3 54 4.2 -69.1 242 64 342.2 342.2 294.8 342.3 0.01 21 150 13530 -71.1 -75.5 52 4.4 -71.1 240 60 347.6 347.6 296.1 347.7 0.01 22 148 13609 -71.3 -75.6 53 4.3 -71.3 241 60 348.6 348.6 296.3 348.6 0.01 23 140 13940 -67.7 -72.0 54 4.3 -67.7 244 58 360.5 360.5 298.8 360.6 0.02 24 128 14476 -69.5 -74.5 48 5.0 -69.5 250 55 366.6 366.6 299.9 366.7 0.01 25 121 14813 -66.5 -71.5 49 5.0 -66.5 253 53 378.1 378.1 301.9 378.2 0.02 26 100 15960 -68.1 -74.1 42 6.0 -68.2 265 46 396.2 396.2 304.7 396.2 0.02 27 84 17004 -69.3 -76.3 35 7.0 -69.4 275 47 414.0 414.0 307.0 414.0 0.01 28 78 17450 -66.1 -74.1 32 8.0 -66.2 279 47 429.5 429.5 308.8 429.6 0.02 29 71 18016 -69.9 -77.9 30 8.0 -70.0 284 48 433.1 433.1 309.1 433.2 0.01 30 70 18100 -69.9 -77.9 30 8.0 -70.0 285 48 434.8 434.8 309.4 434.9 0.01 31 50 20110 -67.1 -78.1 20 11.0 -67.3 270 64 485.4 485.4 313.9 485.5 0.02 32 49 20232 -66.9 -77.9 20 11.0 -67.1 488.6 488.7 314.1 488.8 0.02 33 42 21159 -68.9 -81.9 14 13.0 -69.1 505.7 505.7 315.4 505.8 0.01 TRP 191 12094 -71.3 -76.3 47 5.0 -71.3 240 66 324.1 324.1 290.0 324.1 0.01 WND 187 12220 -71.4 -76.3 48 4.9 -71.5 245 69 325.8 325.8 290.5 325.9 0.01 Sounding variables and indices 1000-500 mb thick: 5520.00 m Freezing level: 728.07 mb = 2725.25 m = 8941.00 ft Wetbulb zero: 762.05 mb = 2354.73 m = 7725.38 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 82.95 % Est. max temperature: 19.03 C = 66.25 F Sfc-Lift cond lev (LCL): 894.62 mb = 1043.01 m = 3421.89 ft T: 8.33 C 700-500 lapse rate: 5.61 C/km ThetaE index: 3.30 C Layer 860.0- 850.0 mb Conv cond level (CCL): 685.35 mb = 3199.67 m = 10497.47 ft Mean mixing ratio: 4.34 g/kg Conv temperature: 21.91 C = 71.44 F Cap Strength: 6.48 C Lifted Index: 9.66 C Risk: None Lifted Index @300 mb: 13.10 C Lifted Index @700 mb: 5.10 C Showalter Index: 10.01 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 13.30 C K Index: 19.50 Risk: < 20 % chance of thunderstorms Sweat Index: 70.00 Risk: None Energy Index: 3.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.27 J/kg Max Up Vert Vel: 5.88 m/s Conv Inhibition (B-): 22902.27 J/kg Cap Strength: 9.33 C Lift Cond Lev (LCL): 789.10 mb = 2071.45 m = 6796.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 21 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 ---------------------------------------------------------- 0 938 651 240 3 2.6 1.5 | 80 18 -17.8 -3.0 1 925 767 235 9 7.4 5.2 | 93 13 -13.0 0.6 2 850 1464 310 9 6.9 -5.8 | 53 17 -13.5 -10.3 3 700 3036 160 15 -5.1 14.1 | 111 27 -25.5 9.6 4 500 5640 235 52 42.6 29.8 | 221 34 22.2 25.3 5 400 7270 245 48 43.5 20.3 | 236 28 23.2 15.8 6 300 9260 245 58 52.6 24.5 | 238 38 32.2 20.0 7 250 10450 245 58 52.6 24.5 | 238 38 32.2 20.0 8 200 11820 240 60 52.0 30.0 | 231 41 31.6 25.5 9 191 12094 240 66 57.2 33.0 | 232 47 36.8 28.5 10 187 12220 245 69 62.5 29.2 | 240 49 42.2 24.6 11 150 13530 240 60 52.0 30.0 | 231 41 31.6 25.5 12 100 15960 265 46 45.8 4.0 | 271 25 25.5 -0.5 13 70 18100 285 48 46.4 -12.4 | 303 31 26.0 -16.9 14 50 20110 270 64 64.0 -0.0 | 276 44 43.6 -4.5 Wind Parameters Mean winds (0-6000m): 227.5 at 27.8 knts Storm direction: 257.5 at 20.8 knts Shear (0-3000m) pos: 1.8 neg: 4.1 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 51.7 deg Storm rel helicity (0-3000m) pos: 124.9 neg: -44.5 tot: 80.4 m^2/s^2 ave: 26.8 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.31 Bulk Shear: 55.89 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 ------------------------------------------------------------------------------- 500 252 8 81 13| 7.0 0.0 7.0| 11.3 -17.9 -6.6 -13.3 -0.24| 12.1 -2.9 1000 275 9 65 13| 4.2 0.0 4.2| 12.8 -28.5 -15.8 -15.8 -0.27| 10.1 -2.7 1500 270 9 67 12| 2.8 3.0 5.8| 32.7 -28.5 4.2 2.8 0.06| 9.8 0.6 2000 250 10 85 11| 2.1 4.5 6.6| 48.6 -28.5 20.1 10.0 0.17| 10.1 1.8 2500 218 11 107 14| 1.7 4.9 6.6| 60.2 -44.5 15.8 6.3 0.12| 10.3 1.2 3000 196 12 114 18| 1.8 4.1 5.9|124.9 -44.5 80.4 26.8 0.25| 10.1 2.5 4000 200 17 128 19| 4.0 3.1 7.1|287.3 -44.5 242.8 60.7 0.45| 10.3 4.6 5000 221 23 158 14| 5.6 2.5 8.1|502.9 -44.5 458.4 91.7 0.58| 11.0 6.4 6000 227 28 181 14| 4.7 2.1 6.7|543.1 -44.5 498.6 83.1 0.59| 9.6 5.7 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251212.12.gif