UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for WDK38HS... Searching the city database file for: WDK38HS ... Date:1200Z 1 DEC 25 Station: WDK38HS WMO ident: 99999 Latitude: 74.70 Longitude: 1.60 ------------------------------------------------------------------------------- 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 1006 -436 24.2 -4.8 14 29.0 10.4 255 15 296.8 297.3 283.4 304.9 2.65 1 400 6650 -45.9 -56.9 28 11.0 -46.2 305 23 295.3 295.3 279.3 295.5 0.04 2 313 8242 -57.3 -62.0 55 4.7 -57.3 295 29 300.9 300.9 281.8 301.0 0.03 3 300 8510 -57.1 -67.1 27 10.0 -57.2 300 29 304.9 304.9 283.4 304.9 0.02 4 250 9670 -55.9 -73.9 9 18.0 -56.1 295 29 323.0 323.0 289.7 323.0 0.01 5 200 11090 -55.3 -81.3 3 26.0 -55.6 275 23 345.2 345.2 295.6 345.2 0.00 6 150 12930 -55.9 -83.9 2 28.0 -56.2 270 19 373.8 373.8 301.2 373.8 0.00 TRP 313 8242 -57.3 -62.0 55 4.7 -57.3 295 29 300.9 300.9 281.8 301.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5325.44 m Freezing level: 796.80 mb = 2010.36 m = 6595.60 ft Wetbulb zero: 894.18 mb = 469.47 m = 1540.23 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 19.83 % Est. max temperature: 25.40 C = 77.72 F Sfc-Lift cond lev (LCL): 652.77 mb = 2887.17 m = 9472.24 ft T: -8.67 C 700-500 lapse rate: 9.89 C/km Conv cond level (CCL): 400.00 mb = 6650.00 m = 21817.32 ft Mean mixing ratio: 4.45 g/kg Conv temperature: 69.29 C = 156.72 F Cap Strength: 5.30 C Lifted Index: -3.94 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.52 C Lifted Index @700 mb: 2.88 C Showalter Index: -1.86 C Risk: Thunderstorms probable Total Totals Index: 54.95 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 40.33 C Cross Totals Index: 14.62 C K Index: 4.09 Risk: None Sweat Index: 173.04 Risk: None Energy Index: -0.97 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1622.91 J/kg Max Up Vert Vel: 56.97 m/s Conv Inhibition (B-): 944.04 J/kg Cap Strength: 5.30 C Lift Cond Lev (LCL): 768.73 mb = 1630.93 m = 5350.74 ft Lev Free Conv (LFC): 613.73 mb = 3361.02 m = 11026.85 ft Equ Level (EL): 293.73 mb = 8644.44 m = 28360.69 ft B at Equ Level: 1613.68 J/kg Max Parcel Lev (MPL): 193.73 mb = 11293.81 m = 37052.74 ft Wind level data Storm motion: 311 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 1006 -436 255 15 14.5 3.9 | 212 13 6.7 10.7 1 1000 52 280 9 8.9 -1.6 | 192 5 1.1 5.3 2 925 658 285 9 8.7 -2.3 | 191 5 0.9 4.5 3 850 1302 265 11 11.0 1.0 | 202 8 3.2 7.8 4 700 2754 265 13 13.0 1.1 | 213 10 5.2 8.0 5 500 5150 300 19 16.5 -9.5 | 287 9 8.7 -2.7 6 400 6650 305 23 18.8 -13.2 | 300 13 11.1 -6.3 7 313 8242 295 29 26.3 -12.3 | 286 19 18.5 -5.4 8 300 8510 300 29 25.1 -14.5 | 294 19 17.3 -7.7 9 250 9670 295 29 26.3 -12.3 | 286 19 18.5 -5.4 10 200 11090 275 23 22.9 -2.0 | 252 16 15.1 4.8 11 150 12930 270 19 19.0 -0.0 | 239 13 11.2 6.8 Wind Parameters Mean winds (0-6000m): 281.4 at 13.8 knts Storm direction: 311.4 at 10.4 knts Shear (0-3000m) pos: 1.4 neg: 0.9 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -0.3 deg Storm rel helicity (0-3000m) pos: 5.1 neg: -4.6 tot: 0.5 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 0.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 770.82 Bulk Shear: 2.11 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 ------------------------------------------------------------------------------- 500 267 11 206 8| 8.1 0.0 8.1| 0.1 -4.6 -4.5 -9.0 -0.30| 8.2 -2.5 1000 280 9 194 5| 4.3 0.0 4.3| 0.1 -4.6 -4.5 -4.5 -0.28| 4.4 -1.3 1500 280 9 196 5| 2.9 0.8 3.7| 1.4 -4.6 -3.2 -2.1 -0.14| 3.8 -0.5 2000 275 10 199 6| 2.2 1.1 3.2| 2.4 -4.6 -2.2 -1.1 -0.08| 3.4 -0.3 2500 272 10 201 7| 1.7 1.0 2.7| 3.8 -4.6 -0.8 -0.3 -0.04| 2.8 -0.1 3000 270 11 204 7| 1.4 0.9 2.3| 5.1 -4.6 0.5 0.2 0.01| 2.5 0.0 4000 270 12 209 8| 1.2 0.7 1.9| 14.0 -4.6 9.4 2.3 0.21| 2.3 0.5 5000 275 13 220 8| 1.4 0.5 1.9| 24.9 -4.6 20.3 4.1 0.37| 2.4 0.9 6000 281 14 234 7| 1.5 0.4 2.0| 33.7 -4.6 29.1 4.9 0.45| 2.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//WDK38HS/skewt/WDK38HS.skewt.20251201.12.gif