UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for UNNT... Searching the city database file for: UNNT ... Date:1200Z 27 APR 25 Station: UNNT WMO ident: 29634 Latitude: 55.03 Longitude: 82.90 Elevation: 177.00 ------------------------------------------------------------------------------- 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 59 SFC 990 177 19.4 6.4 43 13.0 12.1 240 5 293.4 294.5 285.7 311.0 6.09 2 950 512 16.8 4.8 45 12.0 10.3 234 9 294.2 295.3 285.6 310.8 5.68 3 925 727 14.8 2.8 44 12.0 8.5 230 11 294.4 295.3 285.0 309.2 5.06 4 850 1440 11.6 1.6 50 10.0 6.4 220 15 298.3 299.2 286.5 313.3 5.05 5 812 1820 10.0 0.0 50 10.0 4.9 226 16 300.5 301.4 287.0 314.7 4.71 6 706 2955 -0.9 -1.1 99 0.2 -1.0 244 21 300.8 301.7 287.3 315.8 5.00 7 700 3023 -1.5 -1.7 99 0.2 -1.6 245 21 300.8 301.7 287.2 315.3 4.83 8 578 4515 -11.7 -12.8 92 1.1 -12.1 251 26 305.8 306.3 286.6 313.6 2.47 9 500 5610 -18.1 -20.8 79 2.7 -18.8 255 29 311.0 311.2 287.3 315.8 1.46 10 414 6994 -27.7 -33.7 57 6.0 -28.6 255 32 315.9 316.0 288.0 317.8 0.54 11 400 7240 -29.7 -36.7 51 7.0 -30.6 255 33 316.4 316.5 288.1 317.9 0.41 12 300 9250 -44.9 -55.9 28 11.0 -45.3 260 40 322.1 322.1 289.5 322.3 0.07 13 294 9385 -46.1 -58.1 24 12.0 -46.5 322.2 322.2 289.5 322.4 0.05 TRP WND Sounding variables and indices 1000-500 mb thick: 5551.00 m Freezing level: 714.75 mb = 2861.38 m = 9387.62 ft Wetbulb zero: 723.49 mb = 2756.52 m = 9043.58 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 74.78 % Est. max temperature: 24.87 C = 76.76 F Sfc-Lift cond lev (LCL): 815.52 mb = 1783.66 m = 5851.85 ft T: 10.15 C 700-500 lapse rate: 6.42 C/km ThetaE index: 2.15 C Layer 700.0- 500.0 mb Conv cond level (CCL): 716.77 mb = 2832.29 m = 9292.17 ft Mean mixing ratio: 5.46 g/kg Conv temperature: 26.73 C = 80.12 F Cap Strength: 5.72 C Lifted Index: 3.97 C Risk: None Lifted Index @300 mb: 8.52 C Lifted Index @700 mb: 2.41 C Showalter Index: 2.15 C Risk: Showers probable Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 19.70 C K Index: 31.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 182.90 Risk: None Energy Index: 0.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.69 J/kg Max Up Vert Vel: 4.17 m/s Conv Inhibition (B-): 1426.35 J/kg Cap Strength: 5.72 C Lift Cond Lev (LCL): 783.65 mb = 2108.07 m = 6916.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 16 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 ---------------------------------------------------------- 0 990 177 240 5 4.3 2.5 | 110 12 -11.2 4.0 1 925 727 230 11 8.4 7.1 | 140 11 -7.1 8.5 2 850 1440 220 15 9.6 11.5 | 156 14 -5.9 13.0 3 700 3023 245 21 19.0 8.9 | 199 11 3.5 10.3 4 500 5610 255 29 28.0 7.5 | 234 15 12.5 9.0 5 400 7240 255 33 31.9 8.5 | 239 19 16.4 10.0 6 300 9250 260 40 39.4 6.9 | 251 25 23.9 8.4 Wind Parameters Mean winds (0-6000m): 245.4 at 20.8 knts Storm direction: 275.4 at 15.6 knts Shear (0-3000m) pos: 1.8 neg: 1.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 91.9 deg Storm rel helicity (0-3000m) pos: 60.1 neg: 0.0 tot: 60.1 m^2/s^2 ave: 20.0 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.37 Bulk Shear: 23.47 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 ------------------------------------------------------------------------------- 500 234 8 123 11| 0.0 5.7 5.7| 15.7 0.0 15.7 31.3 0.96| 5.8 5.5 1000 230 10 134 11| 0.0 4.5 4.5| 24.4 0.0 24.4 24.4 0.91| 4.6 4.2 1500 226 11 142 12| 0.8 3.0 3.8| 32.6 0.0 32.6 21.8 0.87| 4.1 3.6 2000 227 13 149 12| 1.2 2.3 3.5| 42.3 0.0 42.3 21.2 0.88| 3.9 3.4 2500 230 14 155 12| 1.6 1.8 3.4| 52.0 0.0 52.0 20.8 0.89| 3.7 3.3 3000 233 15 162 11| 1.8 1.5 3.3| 60.1 0.0 60.1 20.0 0.90| 3.6 3.3 4000 238 17 174 11| 1.8 1.1 2.9| 69.9 0.0 69.9 17.5 0.90| 3.2 2.8 5000 242 19 187 10| 1.8 0.9 2.7| 80.6 0.0 80.6 16.1 0.90| 2.9 2.6 6000 245 21 198 11| 1.6 0.8 2.5| 87.6 0.0 87.6 14.6 0.87| 2.7 2.3 Wrote GIF file: /home/apache/climate/data/raob//UNNT/skewt/UNNT.skewt.20250427.12.gif