UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 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 132 SFC 939 645 7.0 -3.0 49 10.0 2.7 265 1 285.2 285.8 278.9 294.6 3.26 2 935 680 13.2 2.2 47 11.0 7.6 231 4 291.9 292.8 283.7 305.8 4.79 3 931 716 15.2 3.2 45 12.0 8.9 197 8 294.3 295.2 285.1 309.4 5.17 4 925 770 15.0 3.0 44 12.0 8.7 145 13 294.6 295.6 285.2 309.7 5.13 5 904 965 16.4 3.4 42 13.0 9.4 168 12 298.0 299.0 286.8 314.0 5.40 6 900 1003 16.6 1.6 36 15.0 8.8 173 12 298.6 299.5 286.4 312.8 4.77 7 850 1487 13.0 -4.0 30 17.0 5.1 230 11 299.8 300.4 285.3 309.9 3.34 8 700 3075 -1.3 -10.3 50 9.0 -4.7 250 23 301.0 301.5 284.8 308.8 2.49 9 696 3121 -1.7 -10.7 50 9.0 -5.1 250 23 301.1 301.5 284.8 308.6 2.43 10 664 3494 -3.1 -9.1 63 6.0 -5.5 249 25 303.6 304.1 286.2 312.6 2.89 11 500 5670 -19.3 -23.5 69 4.2 -20.3 245 35 309.5 309.7 286.5 313.3 1.15 12 432 6740 -27.5 -32.3 64 4.8 -28.2 258 44 312.3 312.4 286.9 314.3 0.59 13 400 7290 -31.3 -36.3 61 5.0 -31.9 265 48 314.3 314.4 287.3 315.8 0.43 14 355 8128 -37.3 -43.3 54 6.0 -37.8 269 54 317.2 317.2 288.1 318.0 0.23 15 300 9270 -47.1 -55.1 40 8.0 -47.4 275 62 319.0 319.0 288.5 319.2 0.07 16 259 10217 -56.1 -65.1 31 9.0 -56.2 279 71 319.4 319.4 288.6 319.5 0.02 17 250 10440 -57.5 -67.5 27 10.0 -57.6 280 73 320.6 320.6 288.9 320.7 0.02 18 225 11101 -62.6 -74.5 19 11.9 -62.7 275 81 322.6 322.6 289.5 322.6 0.01 19 200 11820 -68.3 -82.3 12 14.0 -68.4 270 73 324.6 324.6 290.2 324.6 0.00 20 190 12126 -69.9 -82.9 13 13.0 -69.9 265 69 326.8 326.8 290.8 326.8 0.00 21 150 13540 -66.7 -77.7 20 11.0 -66.8 275 58 355.2 355.2 297.7 355.2 0.01 22 138 14045 -65.7 -78.7 15 13.0 -65.8 275 56 365.5 365.5 299.8 365.5 0.01 23 118 14984 -70.5 -86.5 8 16.0 -70.6 275 53 373.4 373.4 301.2 373.4 0.00 24 107 15571 -66.1 -85.1 5 19.0 -66.2 275 51 392.3 392.3 304.1 392.4 0.00 25 100 15980 -66.9 -89.9 3 23.0 -67.0 275 50 398.5 398.5 305.0 398.5 0.00 26 86 16884 -70.5 -97.5 1 27.0 -70.6 277 52 408.8 408.8 306.3 408.8 0.00 27 70 18110 -69.1 -96.1 1 27.0 -69.2 280 54 436.6 436.6 309.5 436.6 0.00 28 50 20110 -69.3 -96.3 1 27.0 -69.5 265 64 480.2 480.2 313.5 480.2 0.00 29 49 20231 -69.3 -96.3 1 27.0 -69.5 483.0 483.0 313.7 483.0 0.00 TRP 190 12126 -69.9 -82.9 13 13.0 -69.9 265 69 326.8 326.8 290.8 326.8 0.00 WND 225 11101 -62.6 -74.5 19 11.9 -62.7 275 81 322.6 322.6 289.5 322.6 0.01 Sounding variables and indices 1000-500 mb thick: 5538.00 m Freezing level: 713.64 mb = 2930.64 m = 9614.83 ft Wetbulb zero: 772.45 mb = 2269.46 m = 7445.65 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 52.91 % Est. max temperature: 21.84 C = 71.31 F Sfc-Lift cond lev (LCL): 805.06 mb = 1931.27 m = 6336.12 ft T: 9.00 C 700-500 lapse rate: 6.94 C/km ThetaE index: 5.42 C Layer 900.0- 664.0 mb Conv cond level (CCL): 653.43 mb = 3616.90 m = 11866.31 ft Mean mixing ratio: 4.35 g/kg Conv temperature: 25.40 C = 77.71 F Cap Strength: 3.33 C Lifted Index: 2.54 C Risk: None Lifted Index @300 mb: 6.08 C Lifted Index @700 mb: 2.49 C Showalter Index: 3.06 C Risk: None Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 32.30 C Cross Totals Index: 15.30 C K Index: 19.30 Risk: < 20 % chance of thunderstorms Sweat Index: 57.00 Risk: None Energy Index: 0.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.50 J/kg Max Up Vert Vel: 7.94 m/s Conv Inhibition (B-): 17617.87 J/kg Cap Strength: 3.31 C Lift Cond Lev (LCL): 713.10 mb = 2923.36 m = 9590.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 19 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 ---------------------------------------------------------- 0 939 645 265 1 1.0 0.1 | 96 18 -17.9 1.8 1 925 770 145 13 -7.5 10.6 | 115 29 -26.3 12.4 2 850 1487 230 11 8.4 7.1 | 130 14 -10.4 8.8 3 700 3075 250 23 21.6 7.9 | 196 10 2.7 9.6 4 500 5670 245 35 31.7 14.8 | 218 21 12.8 16.5 5 400 7290 265 48 47.8 4.2 | 258 30 28.9 5.9 6 300 9270 275 62 61.8 -5.4 | 275 43 42.9 -3.7 7 250 10440 280 73 71.9 -12.7 | 282 54 53.0 -10.9 8 225 11101 275 81 80.7 -7.1 | 275 62 61.8 -5.3 9 200 11820 270 73 73.0 -0.0 | 268 54 54.1 1.7 10 190 12126 265 69 68.7 6.0 | 261 50 49.9 7.7 11 150 13540 275 58 57.8 -5.1 | 275 39 38.9 -3.3 12 100 15980 275 50 49.8 -4.4 | 275 31 30.9 -2.6 13 70 18110 280 54 53.2 -9.4 | 283 35 34.3 -7.6 14 50 20110 265 64 63.8 5.6 | 261 45 44.9 7.3 Wind Parameters Mean winds (0-6000m): 245.2 at 25.3 knts Storm direction: 275.2 at 19.0 knts Shear (0-3000m) pos: 3.5 neg: 2.3 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 108.9 deg Storm rel helicity (0-3000m) pos: 124.7 neg: -6.4 tot: 118.3 m^2/s^2 ave: 39.4 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 4.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.35 Bulk Shear: 90.03 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 ------------------------------------------------------------------------------- 500 164 11 119 25| 0.0 12.1 12.1| 77.3 -5.7 71.6 143.3 0.56| 23.0 13.0 1000 189 11 127 21| 4.5 6.0 10.6| 86.1 -6.4 79.6 79.6 0.46| 16.2 7.4 1500 210 12 134 18| 4.2 4.0 8.2| 98.1 -6.4 91.7 61.1 0.51| 12.2 6.2 2000 223 14 141 15| 4.2 3.0 7.2|109.8 -6.4 103.3 51.7 0.56| 10.3 5.7 2500 233 15 148 13| 4.2 2.4 6.6|120.5 -6.4 114.1 45.6 0.60| 9.1 5.4 3000 237 17 156 12| 3.5 2.3 5.8|124.7 -6.4 118.3 39.4 0.60| 7.9 4.8 4000 241 20 171 11| 2.6 2.2 4.8|132.6 -6.4 126.2 31.5 0.58| 6.6 3.8 5000 243 22 185 12| 2.1 2.2 4.3|139.3 -6.4 132.8 26.6 0.56| 5.7 3.2 6000 245 25 198 13| 2.7 1.8 4.5|202.5 -6.4 196.0 32.7 0.62| 5.8 3.6 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251212.00.gif