UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 22 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 249 SFC 951 649 -1.1 -3.1 86 2.0 -1.9 350 3 276.0 276.5 273.9 284.8 3.19 2 925 868 -3.7 -3.7 100 0.0 -3.7 300 1 275.5 276.1 273.5 284.2 3.14 3 914 962 -4.5 -4.5 100 0.0 -4.5 321 2 275.6 276.2 273.4 283.9 2.99 4 875 1306 -4.5 -4.5 100 0.0 -4.5 39 5 279.1 279.6 275.5 287.8 3.12 5 851 1527 -1.3 -3.7 84 2.4 -2.3 88 7 284.7 285.3 278.8 294.4 3.41 6 850 1536 -1.3 -3.9 82 2.6 -2.3 90 7 284.8 285.4 278.8 294.4 3.37 7 817 1850 -3.3 -7.2 74 3.9 -4.7 110 7 285.9 286.4 278.5 293.8 2.72 8 798 2037 -2.7 -7.7 68 5.0 -4.6 123 6 288.5 288.9 279.7 296.3 2.68 9 739 2641 -6.7 -10.9 72 4.2 -8.1 162 6 290.5 290.9 280.1 297.2 2.25 10 703 3031 -7.3 -11.5 72 4.2 -8.7 188 5 294.0 294.4 281.7 300.9 2.25 11 700 3064 -7.5 -11.9 71 4.4 -8.9 190 5 294.2 294.6 281.7 300.8 2.19 12 507 5498 -23.3 -33.3 39 10.0 -24.7 233 11 303.4 303.5 283.4 305.0 0.45 13 500 5600 -24.1 -34.1 39 10.0 -25.5 235 11 303.7 303.7 283.4 305.1 0.43 14 400 7180 -38.5 -49.5 30 11.0 -39.1 230 27 305.0 305.0 283.5 305.3 0.10 15 353 8026 -46.3 -57.3 28 11.0 -46.6 208 17 305.5 305.6 283.7 305.7 0.05 16 300 9090 -54.3 -66.3 22 12.0 -54.5 180 3 308.8 308.8 284.9 308.9 0.02 17 285 9418 -53.7 -65.7 22 12.0 -53.9 152 7 314.2 314.2 286.8 314.3 0.02 18 250 10250 -57.5 -70.5 18 13.0 -57.6 80 17 320.6 320.6 288.9 320.6 0.01 19 245 10378 -58.5 -71.5 17 13.0 -58.6 80 19 320.9 320.9 289.0 321.0 0.01 20 200 11660 -57.7 -69.7 20 12.0 -57.9 190 9 341.4 341.4 294.7 341.5 0.02 21 150 13460 -58.5 -71.5 17 13.0 -58.7 255 25 369.3 369.3 300.5 369.4 0.02 22 144 13717 -57.7 -70.7 18 13.0 -57.9 257 26 375.0 375.0 301.5 375.1 0.02 23 100 15990 -62.3 -82.3 5 20.0 -62.5 275 36 407.4 407.4 306.2 407.4 0.00 24 70 18200 -61.3 -91.3 1 30.0 -61.7 255 44 453.2 453.2 311.1 453.2 0.00 25 63 18854 -60.5 -90.5 1 30.0 -60.9 257 46 468.9 468.9 312.5 468.9 0.00 26 58 19366 -62.9 -91.9 1 29.0 -63.3 258 47 474.7 474.7 313.0 474.7 0.00 27 52 20044 -58.5 -88.5 1 30.0 -59.2 259 49 500.0 500.0 314.9 500.0 0.00 28 50 20290 -59.5 -89.5 1 30.0 -60.1 260 50 503.3 503.3 315.2 503.3 0.00 29 30 23470 -61.9 -90.9 1 29.0 -62.6 260 73 575.9 575.9 319.5 575.9 0.00 30 26 24352 -64.3 -93.3 1 29.0 -64.9 258 71 593.1 593.1 320.3 593.1 0.00 31 25 24593 -62.3 -91.3 1 29.0 -63.1 258 71 605.6 605.6 320.9 605.6 0.00 32 20 25960 -66.3 -94.3 1 28.0 -66.9 255 68 633.2 633.2 322.0 633.2 0.00 33 18 26597 -67.3 -95.3 1 28.0 -67.9 649.4 649.4 322.7 649.5 0.00 34 12 29134 -51.7 -84.7 1 33.0 -56.0 784.6 784.6 326.8 784.8 0.03 TRP 245 10378 -58.5 -71.5 17 13.0 -58.6 80 19 320.9 320.9 289.0 321.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5351.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.40 inches Sfc-500 mean rel hum: 67.16 % Est. max temperature: 10.81 C = 51.45 F Sfc-Lift cond lev (LCL): 921.58 mb = 897.21 m = 2943.56 ft T: -3.95 C 700-500 lapse rate: 6.55 C/km ThetaE index: 0.89 C Layer 925.0- 875.0 mb Conv cond level (CCL): 924.66 mb = 870.94 m = 2857.37 ft Mean mixing ratio: 3.14 g/kg Conv temperature: -1.55 C = 29.21 F Cap Strength: 14.59 C Lifted Index: 14.67 C Risk: None Lifted Index @300 mb: 15.76 C Lifted Index @700 mb: 10.41 C Showalter Index: 8.87 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 20.20 C K Index: 14.50 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 2.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.53 J/kg Max Up Vert Vel: 8.19 m/s Conv Inhibition (B-): 50382.62 J/kg Cap Strength: 14.66 C Lift Cond Lev (LCL): 891.48 mb = 1159.11 m = 3802.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 246 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 ---------------------------------------------------------- 0 951 649 350 3 0.5 -3.0 | 43 8 -5.2 -5.5 1 925 868 300 1 0.9 -0.5 | 58 6 -4.9 -3.1 2 850 1536 90 7 -7.0 0.0 | 79 13 -12.7 -2.6 3 700 3064 190 5 0.9 4.9 | 116 5 -4.9 2.4 4 500 5600 235 11 9.0 6.3 | 221 5 3.3 3.7 5 400 7180 230 27 20.7 17.4 | 225 21 15.0 14.8 6 300 9090 180 3 0.0 3.0 | 94 6 -5.7 0.4 7 250 10250 80 17 -16.7 -3.0 | 76 23 -22.5 -5.5 8 245 10378 80 19 -18.7 -3.3 | 77 25 -24.4 -5.9 9 200 11660 190 9 1.6 8.9 | 147 8 -4.2 6.3 10 150 13460 255 25 24.1 6.5 | 258 19 18.4 3.9 11 100 15990 275 36 35.9 -3.1 | 281 31 30.1 -5.7 12 70 18200 255 44 42.5 11.4 | 257 38 36.8 8.8 13 50 20290 260 50 49.2 8.7 | 262 44 43.5 6.1 14 30 23470 260 73 71.9 12.7 | 261 67 66.2 10.1 15 20 25960 255 68 65.7 17.6 | 256 62 60.0 15.0 Wind Parameters Mean winds (0-6000m): 215.9 at 8.4 knts Storm direction: 245.9 at 6.3 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 90.9 deg Storm rel helicity (0-3000m) pos: 44.5 neg: -2.1 tot: 42.4 m^2/s^2 ave: 14.1 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.60 Bulk Shear: 12.89 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 ------------------------------------------------------------------------------- 500 345 2 48 7| 0.9 0.0 0.9| 2.3 -2.1 0.3 0.5 0.02| 6.0 0.1 1000 79 4 71 10| 4.2 0.0 4.2| 26.2 -2.1 24.1 24.1 0.51| 7.9 4.0 1500 97 5 79 11| 3.0 0.0 3.0| 36.0 -2.1 33.9 22.6 0.58| 6.6 3.8 2000 109 5 85 11| 2.2 0.0 2.2| 41.1 -2.1 39.0 19.5 0.58| 5.8 3.4 2500 119 5 89 10| 1.7 0.0 1.7| 42.6 -2.1 40.5 16.2 0.55| 5.2 2.9 3000 137 5 98 9| 1.6 0.0 1.6| 44.5 -2.1 42.4 14.1 0.57| 4.6 2.6 4000 172 6 116 7| 1.4 0.0 1.4| 48.5 -2.1 46.4 11.6 0.62| 3.9 2.4 5000 201 7 137 5| 1.3 0.0 1.3| 52.9 -2.1 50.8 10.2 0.65| 3.5 2.3 6000 216 8 169 4| 1.1 0.9 2.0| 54.0 -2.2 51.8 8.6 0.51| 3.8 2.0 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251222.12.gif