UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for EP374... Searching the city database file for: EP374 ... Date:0000Z 11 DEC 25 Station: EP374 WMO ident: 12374 Latitude: 52.40 Longitude: 20.97 ------------------------------------------------------------------------------- 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 1007 97 9.8 9.5 98 0.3 9.6 270 5 282.4 283.7 282.5 302.7 7.41 1 1000 155 9.4 9.2 99 0.2 9.3 265 9 282.5 283.8 282.4 302.6 7.31 2 925 799 6.6 6.2 97 0.4 6.4 300 21 286.1 287.2 283.0 304.1 6.43 3 919 853 6.4 6.1 98 0.3 6.2 300 21 286.4 287.5 283.2 304.4 6.43 4 865 1347 3.0 3.0 100 0.0 3.0 296 21 287.8 288.8 282.8 303.4 5.49 5 850 1489 1.4 -0.2 89 1.6 0.7 295 21 287.6 288.4 281.4 300.3 4.43 6 846 1527 1.0 -1.9 81 2.9 -0.3 294 21 287.6 288.3 280.8 298.9 3.93 7 822 1760 2.4 -2.2 72 4.6 0.4 288 23 291.4 292.1 282.6 303.0 3.96 8 769 2296 -1.3 -1.6 98 0.3 -1.4 274 26 293.1 293.8 283.8 306.0 4.42 9 748 2517 0.0 0.0 100 0.0 0.0 269 28 296.8 297.7 286.0 311.9 5.12 10 700 3047 -2.5 -2.5 100 0.0 -2.5 255 31 299.7 300.5 286.5 313.4 4.55 11 573 4610 -11.7 -12.2 96 0.5 -11.9 252 38 306.6 307.1 287.1 314.8 2.62 12 568 4678 -12.3 -12.7 97 0.4 -12.5 252 38 306.7 307.1 287.0 314.7 2.53 13 542 5034 -15.3 -16.1 94 0.8 -15.6 251 39 307.2 307.6 286.6 313.6 2.01 14 527 5246 -17.3 -27.3 41 10.0 -19.3 251 40 307.3 307.4 285.2 309.9 0.77 15 520 5346 -17.7 -32.7 26 15.0 -20.3 251 41 308.0 308.1 285.2 309.6 0.47 16 500 5640 -17.9 -35.9 19 18.0 -20.8 250 42 311.2 311.3 286.2 312.5 0.36 17 496 5700 -18.1 -37.1 17 19.0 -21.0 250 42 311.7 311.7 286.3 312.8 0.32 18 400 7270 -29.1 -51.1 10 22.0 -30.8 245 54 317.2 317.2 287.9 317.5 0.09 19 399 7288 -29.3 -51.3 10 22.0 -31.0 317.1 317.2 287.9 317.5 0.09 TRP WND Sounding variables and indices 1000-500 mb thick: 5485.00 m Freezing level: 787.62 mb = 2107.21 m = 6913.33 ft Freezing level: 748.00 mb = 2517.23 m = 8258.54 ft Freezing level: 748.00 mb = 2517.23 m = 8258.54 ft Wetbulb zero: 847.17 mb = 1515.93 m = 4973.48 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 89.09 % Est. max temperature: 15.15 C = 59.26 F Sfc-Lift cond lev (LCL): 1002.47 mb = 134.54 m = 441.38 ft T: 9.54 C 700-500 lapse rate: 5.94 C/km ThetaE index: 5.56 C Layer 865.0- 822.0 mb Conv cond level (CCL): 943.16 mb = 638.36 m = 2094.34 ft Mean mixing ratio: 6.81 g/kg Conv temperature: 12.60 C = 54.68 F Cap Strength: 6.80 C Lifted Index: 8.65 C Risk: None Lifted Index @700 mb: 4.98 C Showalter Index: 10.85 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 17.70 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 84.00 Risk: None Energy Index: 2.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.19 J/kg Max Up Vert Vel: 6.51 m/s Conv Inhibition (B-): 7.94 J/kg Cap Strength: 8.46 C Lift Cond Lev (LCL): 951.67 mb = 564.20 m = 1851.03 ft Lev Free Conv (LFC): 866.67 mb = 1331.60 m = 4368.72 ft Equ Level (EL): 836.67 mb = 1616.62 m = 5303.79 ft B at Equ Level: 20.85 J/kg Max Parcel Lev (MPL): 796.67 mb = 2011.24 m = 6598.49 ft Wind level data Storm motion: 291 at 23 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 1007 97 270 5 5.0 -0.0 | 117 18 -16.1 8.1 1 1000 155 265 9 9.0 0.8 | 126 15 -12.1 8.9 2 925 799 300 21 18.2 -10.5 | 51 4 -2.9 -2.4 3 850 1489 295 21 19.0 -8.9 | 70 2 -2.1 -0.8 4 700 3047 255 31 29.9 8.0 | 209 18 8.8 16.1 5 500 5640 250 42 39.5 14.4 | 219 29 18.4 22.5 6 400 7270 245 54 48.9 22.8 | 222 42 27.8 30.9 Wind Parameters Mean winds (0-6000m): 261.1 at 30.1 knts Storm direction: 291.1 at 22.6 knts Shear (0-3000m) pos: 2.9 neg: 3.7 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 92.3 deg Storm rel helicity (0-3000m) pos: 14.9 neg: -15.9 tot: -1.1 m^2/s^2 ave: -0.4 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 7.2 stream: -0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.45 Bulk Shear: 46.94 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 ------------------------------------------------------------------------------- 500 280 12 124 11| 13.0 0.0 13.0| 13.5 -2.5 10.9 21.9 0.14| 14.3 2.0 1000 293 16 107 6| 8.6 0.0 8.6| 13.7 -7.2 6.5 6.5 -0.12| 10.3 -1.3 1500 294 18 100 5| 5.7 0.8 6.5| 14.3 -7.2 7.1 4.7 -0.06| 7.6 -0.5 2000 291 19 109 3| 4.3 2.1 6.4| 14.9 -7.2 7.7 3.8 0.03| 7.3 0.2 2500 286 21 154 3| 3.4 3.1 6.5| 14.9 -9.3 5.6 2.2 0.00| 7.3 0.0 3000 279 22 191 5| 2.9 3.7 6.5| 14.9 -15.9 -1.1 -0.4 -0.04| 7.2 -0.3 4000 271 25 206 9| 2.2 3.3 5.4| 25.6 -15.9 9.7 2.4 0.01| 6.0 0.1 5000 265 28 211 12| 1.7 3.0 4.8| 34.9 -15.9 19.0 3.8 0.04| 5.2 0.2 6000 261 30 214 15| 1.4 3.0 4.5| 45.0 -15.9 29.0 4.8 0.06| 4.9 0.3 Wrote GIF file: /home/apache/climate/data/raob//EP374/skewt/EP374.skewt.20251211.00.gif