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 X1770... Searching the city database file for: X1770 ... Date:0000Z 11 DEC 25 Station: X1770 WMO ident: 31770 Latitude: 49.00 Longitude: 140.30 ------------------------------------------------------------------------------- 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 1008 27 -21.7 -24.6 77 2.9 -22.0 230 3 250.9 251.0 250.6 252.3 0.52 1 1000 86 -20.9 -26.9 59 6.0 -21.5 270 3 252.2 252.3 251.6 253.4 0.42 2 982 222 -16.1 -22.1 60 6.0 -17.0 276 6 258.4 258.5 257.3 260.2 0.66 3 934 597 -19.1 -29.1 41 10.0 -20.3 292 15 259.1 259.1 257.2 260.1 0.37 4 925 669 -19.7 -28.7 45 9.0 -20.7 295 17 259.2 259.2 257.3 260.3 0.39 5 850 1290 -25.1 -31.1 57 6.0 -25.6 285 15 259.9 259.9 257.8 260.8 0.34 6 798 1746 -27.9 -32.2 67 4.3 -28.3 278 13 261.6 261.7 259.1 262.5 0.32 7 769 2014 -24.7 -29.7 63 5.0 -25.2 275 12 267.8 267.9 264.0 269.1 0.42 8 727 2419 -28.1 -36.1 46 8.0 -28.7 269 10 268.4 268.5 264.0 269.2 0.24 9 700 2690 -30.1 -37.1 50 7.0 -30.6 265 9 269.2 269.2 264.5 269.8 0.23 10 643 3287 -35.3 -39.6 65 4.3 -35.5 265 12 269.9 269.9 265.0 270.5 0.19 11 573 4089 -35.1 -46.1 32 11.0 -35.7 265 16 279.1 279.2 270.8 279.5 0.11 12 545 4437 -36.9 -51.9 20 15.0 -37.5 265 18 281.0 281.0 271.9 281.2 0.06 13 500 5030 -38.7 -57.7 12 19.0 -39.3 265 21 285.9 285.9 274.5 286.0 0.03 14 400 6540 -44.3 -68.3 5 24.0 -44.7 250 42 297.4 297.4 280.2 297.5 0.01 15 378 6917 -47.1 -70.1 5 23.0 -47.4 298.6 298.6 280.7 298.6 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 4944.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 47.31 % Est. max temperature: -12.78 C = 9.00 F Sfc-Lift cond lev (LCL): 960.70 mb = 385.85 m = 1265.90 ft T: -17.41 C 700-500 lapse rate: 3.68 C/km ThetaE index: 0.10 C Layer 934.0- 925.0 mb Conv cond level (CCL): 712.34 mb = 2565.10 m = 8415.58 ft Mean mixing ratio: 0.48 g/kg Conv temperature: -3.71 C = 25.32 F Cap Strength: 18.57 C Lifted Index: 22.04 C Risk: None Lifted Index @700 mb: 9.58 C Showalter Index: 20.61 C Risk: None Total Totals Index: 21.20 C Risk: None Vertical Totals Index: 13.60 C Cross Totals Index: 7.60 C K Index: -24.50 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 5.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.59 J/kg Max Up Vert Vel: 7.29 m/s Conv Inhibition (B-): 3996.21 J/kg Cap Strength: 21.38 C Lift Cond Lev (LCL): 848.13 mb = 1305.91 m = 4284.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 12 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 1008 27 230 3 2.3 1.9 | 134 11 -8.2 7.8 1 1000 86 270 3 3.0 -0.0 | 128 10 -7.5 5.9 2 925 669 295 17 15.4 -7.2 | 285 5 4.9 -1.3 3 850 1290 285 15 14.5 -3.9 | 244 4 4.0 2.0 4 700 2690 265 9 9.0 0.8 | 167 7 -1.5 6.7 5 500 5030 265 21 20.9 1.8 | 234 13 10.4 7.7 6 400 6540 250 42 39.5 14.4 | 235 35 29.0 20.2 Wind Parameters Mean winds (0-6000m): 269.3 at 16.0 knts Storm direction: 299.3 at 12.0 knts Shear (0-3000m) pos: 2.5 neg: 1.3 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 48.2 deg Storm rel helicity (0-3000m) pos: 13.7 neg: -13.5 tot: 0.2 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.59 Bulk Shear: 10.28 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 ------------------------------------------------------------------------------- 500 284 8 143 5| 12.7 0.0 12.7| 8.5 -0.9 7.5 15.1 0.56| 13.2 7.4 1000 291 12 201 2| 7.5 0.0 7.5| 10.9 -3.0 8.0 8.0 0.46| 9.3 4.3 1500 289 13 227 2| 5.0 0.9 5.9| 10.9 -6.2 4.7 3.2 0.27| 7.1 1.9 2000 287 13 221 3| 3.7 1.4 5.1| 10.9 -9.4 1.5 0.8 0.13| 6.0 0.8 2500 284 12 210 3| 3.0 1.6 4.6| 10.9 -12.7 -1.8 -0.7 0.03| 5.4 0.2 3000 282 12 201 4| 2.5 1.3 3.8| 13.7 -13.5 0.2 0.1 0.06| 4.8 0.3 4000 277 12 202 5| 1.9 0.9 2.7| 22.9 -13.5 9.3 2.3 0.19| 4.3 0.8 5000 274 14 212 6| 1.5 0.9 2.4| 32.1 -13.5 18.5 3.7 0.25| 4.0 1.0 6000 269 16 222 8| 1.2 2.0 3.3| 37.1 -15.4 21.8 3.6 0.20| 4.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20251211.00.gif