UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U9862... Searching the city database file for: U9862 ... Date:1200Z 5 DEC 25 Station: U9862 WMO ident: 29862 Latitude: 53.77 Longitude: 91.32 ------------------------------------------------------------------------------- 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 68 SFC 977 253 -2.3 -5.9 76 3.6 -3.6 180 17 272.7 273.1 270.9 279.6 2.51 2 952 459 -1.1 -5.2 74 4.1 -2.6 201 24 275.9 276.4 273.2 283.5 2.72 3 925 688 -2.9 -8.9 63 6.0 -4.8 225 31 276.3 276.7 272.5 282.3 2.10 4 850 1348 -7.7 -12.3 70 4.6 -9.0 240 38 278.1 278.4 272.9 283.1 1.75 5 804 1779 -11.5 -15.6 72 4.1 -12.5 251 40 278.5 278.7 272.6 282.6 1.41 6 720 2620 -16.1 -22.1 60 6.0 -17.3 274 45 282.4 282.5 274.0 285.1 0.90 7 700 2831 -20.7 -27.7 53 7.0 -21.7 280 46 279.6 279.7 271.9 281.3 0.56 8 612 3813 -24.9 -32.9 47 8.0 -25.8 272 44 285.7 285.7 275.0 286.9 0.39 9 500 5240 -37.9 -42.9 59 5.0 -38.2 260 42 286.8 286.9 275.3 287.4 0.17 10 488 5406 -39.9 -44.7 60 4.8 -40.1 257 44 286.4 286.4 275.0 286.9 0.15 11 434 6203 -42.1 -47.1 58 5.0 -42.3 244 56 293.3 293.4 278.5 293.8 0.13 12 402 6717 -45.3 -51.3 51 6.0 -45.5 236 64 295.7 295.7 279.6 296.0 0.08 13 400 6750 -45.7 -51.7 51 6.0 -45.9 235 64 295.6 295.6 279.5 295.9 0.08 14 389 6935 -47.8 -54.2 48 6.4 -48.0 205 81 295.2 295.3 279.3 295.5 0.06 15 374 7193 -50.7 -57.7 43 7.0 -50.8 294.7 294.7 279.0 294.9 0.04 16 329 8019 -55.7 -62.7 41 7.0 -55.8 298.8 298.8 280.8 298.9 0.03 TRP WND 389 6935 -47.8 -54.2 48 6.4 -48.0 205 81 295.2 295.3 279.3 295.5 0.06 Sounding variables and indices 1000-500 mb thick: 5172.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 59.50 % Est. max temperature: 3.30 C = 37.93 F Sfc-Lift cond lev (LCL): 923.22 mb = 703.00 m = 2306.41 ft T: -3.01 C 700-500 lapse rate: 7.14 C/km ThetaE index: 3.82 C Layer 700.0- 612.0 mb Conv cond level (CCL): 828.44 mb = 1547.07 m = 5075.61 ft Mean mixing ratio: 2.25 g/kg Conv temperature: 3.28 C = 37.91 F Cap Strength: 4.38 C Lifted Index: 4.15 C Risk: None Lifted Index @700 mb: 0.20 C Showalter Index: 3.62 C Risk: None Total Totals Index: 55.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.20 C Cross Totals Index: 25.60 C K Index: 10.90 Risk: None Sweat Index: 321.75 Risk: Showers and thunderstorms possible Energy Index: 0.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.18 J/kg Max Up Vert Vel: 5.13 m/s Conv Inhibition (B-): 1438.11 J/kg Cap Strength: 4.33 C Lift Cond Lev (LCL): 856.56 mb = 1288.00 m = 4225.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 289 at 32 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 ---------------------------------------------------------- 0 977 253 180 17 0.0 17.0 | 132 40 -29.9 27.3 1 925 688 225 31 21.9 21.9 | 166 33 -7.9 32.3 2 850 1348 240 38 32.9 19.0 | 186 29 3.0 29.3 3 700 2831 280 46 45.3 -8.0 | 261 16 15.4 2.4 4 500 5240 260 42 41.4 7.3 | 213 21 11.5 17.6 5 400 6750 235 64 52.4 36.7 | 206 52 22.6 47.0 Wind Parameters Mean winds (0-6000m): 259.1 at 42.1 knts Storm direction: 289.1 at 31.6 knts Shear (0-3000m) pos: 8.7 neg: 0.2 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 118.5 deg Storm rel helicity (0-3000m) pos: 457.1 neg: -11.3 tot: 445.9 m^2/s^2 ave: 148.6 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 11.6 stream: 9.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.10 Bulk Shear: 127.39 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 ------------------------------------------------------------------------------- 500 212 25 152 36| 24.2 0.0 24.2|229.6 0.0 229.6 459.2 0.94| 25.3 23.8 1000 224 30 164 33| 16.2 0.0 16.2|297.5 0.0 297.5 297.5 0.94| 17.1 16.1 1500 232 33 173 31| 13.1 0.0 13.1|355.0 0.0 355.0 236.7 0.92| 14.6 13.4 2000 240 35 181 28| 11.5 0.0 11.5|404.5 0.0 404.5 202.3 0.90| 13.6 12.3 2500 249 37 191 24| 10.4 0.0 10.4|450.6 0.0 450.6 180.2 0.91| 13.1 11.9 3000 255 38 199 22| 8.7 0.2 8.9|457.1 -11.3 445.9 148.6 0.83| 11.6 9.7 4000 260 40 209 20| 6.5 1.0 7.5|457.1 -39.5 417.6 104.4 0.68| 9.6 6.5 5000 262 41 212 19| 5.2 1.5 6.7|457.1 -68.2 388.9 77.8 0.55| 8.3 4.6 6000 259 42 212 22| 4.4 2.8 7.1|458.6 -90.1 368.5 61.4 0.42| 8.7 3.7 Wrote GIF file: /home/apache/climate/data/raob//U9862/skewt/U9862.skewt.20251205.12.gif