UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for EFSO... Searching the city database file for: EFSO ... Date:1200Z 20 DEC 25 Station: EFSO WMO ident: 2836 Latitude: 67.37 Longitude: 26.65 Elevation: 179.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -58 SFC 971 179 0.2 0.1 99 0.1 0.1 280 3 275.7 276.3 274.8 286.5 3.96 2 925 566 -1.9 -1.9 100 0.0 -1.9 275 9 277.4 278.0 275.2 287.3 3.59 3 850 1235 -4.3 -5.6 91 1.3 -4.8 310 15 281.6 282.1 276.7 290.0 2.96 4 700 2745 -12.3 -14.1 86 1.8 -12.8 280 31 288.9 289.2 278.8 294.3 1.83 5 500 5230 -29.9 -32.1 81 2.2 -30.2 320 13 296.6 296.7 280.6 298.3 0.52 6 400 6770 -43.3 -53.3 32 10.0 -43.6 0 15 298.7 298.7 280.8 299.0 0.07 7 300 8650 -55.7 -64.7 32 9.0 -55.8 306.8 306.8 284.1 306.9 0.02 8 292 8822 -56.7 -68.7 21 12.0 -56.8 307.8 307.8 284.5 307.8 0.01 9 250 9810 -55.5 -75.5 7 20.0 -55.7 323.6 323.6 289.9 323.6 0.01 10 200 11230 -57.3 -78.3 5 21.0 -57.5 342.0 342.0 294.8 342.0 0.00 11 150 13040 -60.5 -83.5 3 23.0 -60.7 365.9 365.9 299.8 365.9 0.00 12 100 15540 -65.1 -86.1 4 21.0 -65.3 401.9 401.9 305.5 402.0 0.00 TRP 292 8822 -56.7 -68.7 21 12.0 -56.8 307.8 307.8 284.5 307.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5288.00 m Freezing level: 966.62 mb = 215.86 m = 708.18 ft Wetbulb zero: 967.93 mb = 204.27 m = 670.16 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 87.77 % Est. max temperature: 7.42 C = 45.35 F Sfc-Lift cond lev (LCL): 969.31 mb = 192.87 m = 632.78 ft T: 0.12 C 700-500 lapse rate: 7.08 C/km ThetaE index: 0.00 C Layer 971.0-3265073720837799936.0 mb Conv cond level (CCL): 913.87 mb = 661.80 m = 2171.24 ft Mean mixing ratio: 3.55 g/kg Conv temperature: 2.49 C = 36.49 F Cap Strength: 4.91 C Lifted Index: 8.11 C Risk: None Lifted Index @300 mb: 13.66 C Lifted Index @700 mb: 4.91 C Showalter Index: 6.29 C Risk: None Total Totals Index: 49.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 24.30 C K Index: 18.20 Risk: < 20 % chance of thunderstorms Sweat Index: 61.00 Risk: None Energy Index: 1.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.66 J/kg Max Up Vert Vel: 6.11 m/s Conv Inhibition (B-): 13624.84 J/kg Cap Strength: 8.01 C Lift Cond Lev (LCL): 915.79 mb = 645.15 m = 2116.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 at 14 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 ---------------------------------------------------------- 0 971 179 280 3 3.0 -0.5 | 156 12 -5.0 11.1 1 925 566 275 9 9.0 -0.8 | 185 11 1.0 10.9 2 850 1235 310 15 11.5 -9.6 | 240 4 3.6 2.0 3 700 2745 280 31 30.5 -5.4 | 254 23 22.6 6.3 4 500 5230 320 13 8.4 -10.0 | 194 2 0.4 1.7 5 400 6770 0 15 -0.0 -15.0 | 67 9 -7.9 -3.3 Wind Parameters Mean winds (0-6000m): 295.8 at 18.8 knts Storm direction: 325.8 at 14.1 knts Shear (0-3000m) pos: 2.0 neg: 3.1 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 103.4 deg Storm rel helicity (0-3000m) pos: 42.8 neg: -11.0 tot: 31.8 m^2/s^2 ave: 10.6 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.89 Bulk Shear: 21.01 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 ------------------------------------------------------------------------------- 500 277 7 174 11| 7.2 0.0 7.2| 19.9 0.0 19.9 39.8 0.92| 7.6 7.0 1000 290 10 187 8| 6.1 0.0 6.1| 29.2 0.0 29.2 29.2 0.80| 7.5 6.0 1500 298 12 204 7| 4.1 1.9 6.0| 33.2 0.0 33.2 22.1 0.70| 7.1 4.9 2000 296 15 224 7| 3.1 3.0 6.1| 33.6 -1.1 32.4 16.2 0.53| 7.0 3.7 2500 291 17 236 10| 2.4 3.8 6.2| 33.6 -10.0 23.6 9.4 0.37| 7.1 2.6 3000 289 19 242 12| 2.0 3.1 5.2| 42.8 -11.0 31.8 10.6 0.36| 6.7 2.4 4000 290 21 247 12| 1.8 2.4 4.2| 51.3 -11.0 40.3 10.1 0.33| 6.3 2.1 5000 291 20 247 12| 1.8 1.9 3.7| 51.3 -13.2 38.1 7.6 0.23| 6.0 1.4 6000 296 19 249 10| 2.0 1.6 3.6| 51.3 -14.4 37.0 6.2 0.16| 5.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//EFSO/skewt/EFSO.skewt.20251220.12.gif