UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122111.upa.cvt Date: 1100Z 21 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:1100Z 21 DEC 25 Station: BGAM WMO ident: 4360 Latitude: 65.60 Longitude: -37.63 Elevation: 52.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 991 52 3.2 1.7 90 1.5 2.5 245 21 277.1 277.8 276.1 289.0 4.36 1 961 301 1.4 -0.2 89 1.6 0.7 218 28 277.7 278.4 275.9 288.5 3.92 2 911 729 -2.1 -2.2 99 0.1 -2.1 171 40 278.4 279.0 275.7 288.3 3.57 3 892 897 -2.5 -2.5 100 0.0 -2.5 152 45 279.6 280.2 276.5 289.6 3.56 4 850 1279 -3.9 -3.9 100 0.0 -3.9 110 56 282.1 282.6 277.4 291.6 3.37 5 770 2053 -7.9 -8.3 97 0.4 -8.1 125 58 285.8 286.3 278.4 293.5 2.65 6 765 2103 -9.1 -9.5 97 0.4 -9.2 126 58 285.1 285.5 277.7 292.1 2.43 7 700 2784 -13.5 -19.5 61 6.0 -14.9 140 60 287.5 287.7 277.2 291.1 1.16 8 661 3217 -16.9 -20.1 76 3.2 -17.6 144 62 288.5 288.7 277.7 292.0 1.17 9 635 3518 -17.1 -17.5 97 0.4 -17.2 147 64 291.6 291.8 279.6 296.2 1.52 10 628 3601 -17.3 -17.8 96 0.5 -17.4 148 64 292.3 292.5 279.9 296.8 1.50 11 590 4072 -13.9 -14.8 93 0.9 -14.2 153 67 301.5 301.9 284.5 307.9 2.05 12 580 4202 -14.5 -15.5 92 1.0 -14.8 154 67 302.3 302.6 284.7 308.5 1.97 13 509 5178 -21.3 -22.8 88 1.5 -21.6 164 72 305.5 305.7 285.1 309.4 1.20 14 500 5310 -20.3 -21.8 88 1.5 -20.7 165 73 308.3 308.5 286.3 312.7 1.34 15 497 5354 -20.7 -22.2 88 1.5 -21.0 165 73 308.3 308.6 286.2 312.6 1.30 16 400 6920 -32.9 -35.1 81 2.2 -33.1 160 69 312.2 312.3 286.7 313.9 0.48 17 343 7982 -42.3 -44.9 76 2.6 -42.5 168 72 313.5 313.5 286.8 314.2 0.20 18 326 8325 -42.9 -45.5 75 2.6 -43.0 171 73 317.3 317.3 288.1 318.0 0.20 19 300 8880 -48.1 -51.2 70 3.1 -48.2 175 75 317.6 317.6 288.1 318.0 0.11 20 250 10050 -59.3 -62.5 66 3.2 -59.3 175 69 317.9 317.9 288.1 318.0 0.03 21 236 10408 -62.7 -65.6 68 2.9 -62.7 177 75 318.1 318.1 288.1 318.1 0.02 22 221 10809 -65.3 -68.1 68 2.8 -65.3 179 81 320.1 320.1 288.8 320.1 0.02 23 217 10921 -63.6 -66.5 67 2.9 -63.7 180 83 324.4 324.4 290.1 324.5 0.02 24 200 11430 -56.1 -59.6 65 3.5 -56.2 205 60 343.9 343.9 295.3 344.2 0.06 25 155 13011 -66.9 -69.6 69 2.7 -67.0 196 46 351.5 351.5 297.0 351.6 0.02 26 150 13210 -64.9 -68.1 64 3.2 -65.0 195 44 358.3 358.3 298.4 358.4 0.03 27 132 13986 -66.5 -71.4 50 4.9 -66.5 208 42 368.8 368.8 300.4 368.9 0.02 28 124 14369 -61.1 -68.1 39 7.0 -61.2 214 41 385.2 385.2 303.1 385.4 0.03 29 101 15630 -65.5 -85.5 5 20.0 -65.7 234 38 400.0 400.0 305.2 400.0 0.00 30 100 15690 -65.9 -86.9 4 21.0 -66.0 235 38 400.4 400.4 305.3 400.4 0.00 31 97 15875 -66.9 -88.9 3 22.0 -67.0 237 39 402.0 402.0 305.5 402.0 0.00 32 70 17850 -66.7 -88.7 3 22.0 -66.9 255 48 441.7 441.7 310.0 441.7 0.00 33 65 18296 -68.9 -89.9 3 21.0 -69.1 257 50 446.3 446.3 310.5 446.4 0.00 34 50 19860 -70.9 -90.9 4 20.0 -71.1 265 58 476.4 476.4 313.2 476.4 0.00 35 42 20891 -71.5 -91.5 4 20.0 -71.6 499.3 499.3 314.9 499.3 0.00 TRP 217 10921 -65.7 -68.4 69 2.7 -65.7 180 83 321.1 321.1 289.1 321.2 0.02 WND 217 10921 -63.6 -66.5 67 2.9 -63.7 180 83 324.4 324.4 290.1 324.5 0.02 Sounding variables and indices 1000-500 mb thick: 5258.00 m Freezing level: 941.00 mb = 472.03 m = 1548.62 ft Wetbulb zero: 948.41 mb = 406.43 m = 1333.40 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 89.59 % Est. max temperature: 8.59 C = 47.46 F Sfc-Lift cond lev (LCL): 968.18 mb = 240.50 m = 789.03 ft T: 1.84 C 700-500 lapse rate: 2.69 C/km ThetaE index: 2.45 C Layer 765.0- 661.0 mb Conv cond level (CCL): 925.36 mb = 603.64 m = 1980.42 ft Mean mixing ratio: 3.82 g/kg Conv temperature: 4.31 C = 39.76 F Cap Strength: 14.86 C Lifted Index: 17.00 C Risk: None Lifted Index @300 mb: 20.55 C Lifted Index @700 mb: 3.06 C Showalter Index: 14.78 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: 16.40 C K Index: 6.50 Risk: None Sweat Index: 185.00 Risk: None Energy Index: 4.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.33 J/kg Max Up Vert Vel: 3.83 m/s Conv Inhibition (B-): 0.08 J/kg Cap Strength: 15.35 C Lift Cond Lev (LCL): 926.98 mb = 589.55 m = 1934.20 ft Lev Free Conv (LFC): 911.98 mb = 720.28 m = 2363.10 ft Equ Level (EL): 901.98 mb = 808.06 m = 2651.09 ft B at Equ Level: 6.66 J/kg Max Parcel Lev (MPL): 871.98 mb = 1076.55 m = 3531.94 ft Wind level data Storm motion: 176 at 45 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 ---------------------------------------------------------- 0 991 52 245 21 19.0 8.9 | 329 42 21.8 -35.7 1 850 1279 110 56 -52.6 19.2 | 63 56 -49.9 -25.4 2 700 2784 140 60 -38.6 46.0 | 92 36 -35.8 1.4 3 500 5310 165 73 -18.9 70.5 | 148 31 -16.1 25.9 4 400 6920 160 69 -23.6 64.8 | 134 29 -20.8 20.2 5 300 8880 175 75 -6.5 74.7 | 173 30 -3.8 30.1 6 250 10050 175 69 -6.0 68.7 | 172 24 -3.3 24.1 7 217 10921 180 83 0.0 83.0 | 184 39 2.8 38.4 8 200 11430 205 60 25.4 54.4 | 251 30 28.1 9.8 9 150 13210 195 44 11.4 42.5 | 278 14 14.1 -2.1 10 100 15690 235 38 31.1 21.8 | 304 41 33.9 -22.8 11 70 17850 255 48 46.4 12.4 | 303 59 49.1 -32.2 12 50 19860 265 58 57.8 5.1 | 303 72 60.5 -39.5 Wind Parameters Mean winds (0-6000m): 146.5 at 59.6 knts Storm direction: 176.5 at 44.7 knts Shear (0-3000m) pos: 4.8 neg: 12.3 tot: 17.2 10-3/s Storm rel Dir Shear (0-3000m): 128.3 deg Storm rel helicity (0-3000m) pos: 332.5 neg: -167.0 tot: 165.5 m^2/s^2 ave: 55.2 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 22.2 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.01 Bulk Shear: 641.30 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 47 27 15 66| 0.0 29.7 29.7| 3.9 -73.7 -69.8 -139.6 -0.23| 31.4 -7.4 1000 137 35 48 29| 0.0 30.9 30.9| 40.6 -82.5 -41.8 -41.8 0.13| 38.3 4.9 1500 124 42 56 38| 0.0 24.7 24.7| 83.8-167.0 -83.2 -55.4 0.05| 34.6 1.8 2000 122 46 61 41| 2.6 18.5 21.1|182.6-167.0 15.6 7.8 0.12| 28.6 3.3 2500 125 48 65 41| 4.2 14.8 19.0|268.8-167.0 101.8 40.7 0.17| 25.0 4.2 3000 128 50 70 39| 4.8 12.3 17.2|332.5-167.0 165.5 55.2 0.21| 22.2 4.7 4000 135 54 79 36| 5.2 9.3 14.4|434.6-167.0 267.5 66.9 0.27| 18.2 5.0 5000 141 57 90 33| 5.5 7.4 12.9|539.3-167.0 372.3 74.5 0.34| 15.9 5.3 6000 146 60 100 31| 4.7 6.3 11.0|565.8-192.1 373.7 62.3 0.32| 13.8 4.5 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251221.11.gif