UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 21 APR 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 161 SFC 946 631 21.4 15.4 69 6.0 17.4 55 5 299.3 301.4 292.6 333.5 11.71 2 715 2909 -2.7 -8.7 63 6.0 -5.0 284 9 297.7 298.2 283.8 306.1 2.77 3 710 2964 -2.7 -37.7 5 35.0 -9.2 283 9 298.3 298.3 280.9 299.0 0.21 4 700 3074 -3.7 -38.7 5 35.0 -10.0 280 9 298.4 298.4 280.9 299.1 0.19 5 697 3108 -3.7 -37.7 5 34.0 -9.9 279 9 298.8 298.8 281.1 299.5 0.21 6 692 3164 -3.7 -8.7 68 5.0 -5.6 276 9 299.4 299.9 284.6 308.1 2.86 7 614 4098 -8.1 -11.1 79 3.0 -9.2 237 14 304.7 305.2 286.4 313.1 2.67 8 541 5063 -16.7 -19.2 81 2.5 -17.4 196 18 305.7 306.0 285.6 310.7 1.55 9 512 5474 -18.9 -20.6 86 1.7 -19.3 178 20 307.9 308.2 286.2 312.6 1.45 10 500 5650 -19.9 -21.9 84 2.0 -20.4 170 21 308.8 309.0 286.4 313.1 1.32 11 446 6486 -26.5 -33.5 52 7.0 -27.5 175 17 310.7 310.8 286.2 312.5 0.51 12 409 7104 -32.3 -40.3 45 8.0 -33.1 179 14 311.0 311.1 286.1 312.0 0.28 13 408 7122 -32.7 -41.7 40 9.0 -33.5 179 14 310.7 310.8 285.9 311.6 0.24 14 407 7139 -34.3 -43.3 40 9.0 -35.0 179 14 308.9 308.9 285.2 309.6 0.20 15 400 7260 -35.1 -43.1 44 8.0 -35.7 180 13 309.4 309.4 285.4 310.1 0.21 16 348 8213 -43.3 -50.3 46 7.0 -43.6 197 18 310.9 310.9 285.8 311.3 0.11 17 339 8388 -46.3 -53.3 45 7.0 -46.6 200 19 309.1 309.1 285.1 309.4 0.08 18 330 8567 -46.3 -53.3 45 7.0 -46.6 203 20 311.5 311.5 285.9 311.8 0.08 19 312 8936 -50.9 -57.9 43 7.0 -51.1 210 22 310.1 310.1 285.4 310.3 0.05 20 300 9190 -52.1 -59.1 43 7.0 -52.2 215 23 311.9 311.9 286.1 312.1 0.04 21 271 9849 -54.9 -61.9 42 7.0 -55.0 225 29 317.0 317.1 287.8 317.2 0.03 22 268 9921 -54.9 -61.9 42 7.0 -55.0 225 28 318.1 318.1 288.2 318.2 0.03 23 250 10370 -53.5 -59.5 48 6.0 -53.7 225 25 326.5 326.5 290.8 326.7 0.05 24 200 11810 -52.1 -60.1 38 8.0 -52.4 255 31 350.3 350.3 296.7 350.5 0.06 25 173 12745 -51.5 -59.5 38 8.0 -51.8 265 34 366.1 366.1 299.9 366.4 0.07 26 150 13660 -54.5 -63.5 32 9.0 -54.8 275 36 376.2 376.2 301.6 376.4 0.05 27 116 15281 -60.7 -69.7 30 9.0 -60.9 272 32 393.4 393.4 304.3 393.5 0.03 28 100 16210 -57.7 -67.7 27 10.0 -58.0 270 29 416.2 416.3 307.3 416.5 0.04 29 70 18460 -59.1 -69.1 26 10.0 -59.5 290 15 457.9 458.0 311.6 458.2 0.05 30 65 18925 -56.7 -69.7 18 13.0 -57.2 290 16 473.0 473.0 312.9 473.3 0.05 31 60 19426 -59.5 -69.5 26 10.0 -59.9 290 17 477.7 477.7 313.3 478.0 0.05 32 57 19748 -56.1 -66.1 27 10.0 -56.7 290 17 492.5 492.5 314.4 493.0 0.09 33 50 20580 -54.9 -65.9 24 11.0 -55.7 290 19 514.1 514.1 315.9 514.8 0.11 34 35 22860 -55.9 -66.9 24 11.0 -56.9 283 18 566.7 566.8 319.0 567.7 0.13 35 31 23645 -49.7 -61.7 23 12.0 -51.7 281 17 603.5 603.6 320.9 605.8 0.31 36 30 23860 -49.7 -61.7 23 12.0 -51.7 280 17 609.1 609.3 321.1 611.5 0.32 37 27 24552 -48.3 -62.3 18 14.0 -50.9 631.7 631.8 322.1 634.3 0.32 TRP 271 9849 -54.9 -61.9 42 7.0 -55.0 225 29 317.0 317.1 287.8 317.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5489.00 m Freezing level: 740.88 mb = 2653.57 m = 8705.82 ft Wetbulb zero: 766.67 mb = 2341.10 m = 7680.67 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 69.96 % Est. max temperature: 20.69 C = 69.25 F Sfc-Lift cond lev (LCL): 865.91 mb = 1350.63 m = 4431.15 ft T: 13.79 C 700-500 lapse rate: 6.29 C/km ThetaE index: 34.45 C Layer 715.0- 700.0 mb Conv cond level (CCL): 827.34 mb = 1721.37 m = 5647.48 ft Mean mixing ratio: 9.27 g/kg Conv temperature: 20.92 C = 69.66 F Cap Strength: -0.31 C Lifted Index: -6.79 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -9.40 C Lifted Index @700 mb: -6.65 C Showalter Index: -3.28 C Risk: Severe thunderstorms possible Total Totals Index: 58.18 C Risk: Severe Thunderstorms probable Vertical Totals Index: 32.09 C Cross Totals Index: 26.09 C K Index: 3.28 Risk: None Sweat Index: 292.03 Risk: None Energy Index: -1.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2388.53 J/kg Max Up Vert Vel: 69.12 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 0.18 C Lift Cond Lev (LCL): 823.94 mb = 1754.87 m = 5757.38 ft Lev Free Conv (LFC): 818.94 mb = 1804.40 m = 5919.86 ft Equ Level (EL): 248.94 mb = 10397.35 m = 34111.63 ft B at Equ Level: 2380.92 J/kg Max Parcel Lev (MPL): 148.94 mb = 13704.61 m = 44962.08 ft Wind level data Storm motion: 244 at 10 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 ---------------------------------------------------------- 0 946 631 55 5 -4.1 -2.9 | 61 15 -13.3 -7.3 1 925 840 335 9 3.8 -8.2 | 23 14 -5.4 -12.5 2 850 1523 315 11 7.8 -7.8 | 7 12 -1.4 -12.2 3 700 3074 280 9 8.9 -1.6 | 3 6 -0.3 -6.0 4 500 5650 170 21 -3.6 20.7 | 142 21 -12.8 16.3 5 400 7260 180 13 0.0 13.0 | 133 13 -9.2 8.6 6 300 9190 215 23 13.2 18.8 | 196 15 4.0 14.4 7 271 9849 225 29 20.5 20.5 | 215 20 11.3 16.1 8 250 10370 225 25 17.7 17.7 | 213 16 8.5 13.3 9 200 11810 255 31 29.9 8.0 | 260 21 20.8 3.6 10 150 13660 275 36 35.9 -3.1 | 286 28 26.7 -7.5 11 100 16210 270 29 29.0 -0.0 | 282 20 19.8 -4.4 12 70 18460 290 15 14.1 -5.1 | 333 11 4.9 -9.5 13 50 20580 290 19 17.9 -6.5 | 321 14 8.7 -10.9 14 30 23860 280 17 16.7 -3.0 | 314 11 7.6 -7.3 Wind Parameters Mean winds (0-6000m): 214.4 at 13.6 knts Storm direction: 244.4 at 10.2 knts Shear (0-3000m) pos: 0.0 neg: 2.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -113.4 deg Storm rel helicity (0-3000m) pos: 0.3 neg: -58.6 tot: -58.3 m^2/s^2 ave: -19.4 10^-3 m/s^2 rel: -0.71 Storm rel vorticity (0-3000m) horiz: 4.4 stream: -3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 46.81 Bulk Shear: 51.02 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 ------------------------------------------------------------------------------- 500 339 8 26 14| 0.0 11.2 11.2| 0.0 -44.5 -44.5 -89.0 -0.96| 12.4-11.9 1000 327 10 18 13| 0.0 6.6 6.6| 0.0 -52.5 -52.5 -52.5 -0.94| 7.7 -7.2 1500 320 10 13 12| 0.0 4.5 4.5| 0.0 -54.2 -54.2 -36.1 -0.85| 5.8 -5.0 2000 314 10 10 11| 0.0 3.4 3.4| 0.0 -54.6 -54.6 -27.3 -0.77| 4.9 -3.8 2500 308 10 8 11| 0.0 2.8 2.8| 0.3 -55.1 -54.8 -21.9 -0.70| 4.4 -3.1 3000 301 10 4 10| 0.0 2.8 2.8| 0.3 -58.6 -58.3 -19.4 -0.71| 4.4 -3.1 4000 279 11 345 6| 0.0 2.7 2.7| 0.3 -68.3 -68.0 -17.0 -0.71| 4.8 -3.4 5000 244 12 242 2| 0.0 2.4 2.4| 0.3-105.2-104.9 -21.0 -0.69| 5.3 -3.7 6000 214 14 167 7| 0.4 2.0 2.5| 0.3-110.7-110.4 -18.4 -0.65| 4.9 -3.2 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20250421.12.gif