UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U6298... Searching the city database file for: U6298 ... Date:1200Z 20 APR 25 Station: U6298 WMO ident: 26298 Latitude: 57.90 Longitude: 34.05 ------------------------------------------------------------------------------- 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 79 SFC 988 184 23.8 4.8 29 19.0 13.1 210 7 298.0 299.0 286.8 314.1 5.46 2 954 487 19.0 3.0 34 16.0 10.4 231 11 296.1 297.0 285.6 310.8 4.97 3 925 750 16.4 2.4 39 14.0 9.0 250 15 296.1 297.0 285.5 310.6 4.92 4 850 1460 9.0 0.0 53 9.0 4.6 235 13 295.6 296.4 284.9 308.8 4.50 5 798 1978 3.8 -2.2 65 6.0 1.0 237 16 295.4 296.1 284.4 307.5 4.07 6 742 2565 0.0 -4.5 72 4.5 -2.0 238 19 297.5 298.2 284.8 308.5 3.69 7 728 2718 -0.5 -5.5 69 5.0 -2.6 239 19 298.6 299.2 284.9 309.1 3.48 8 700 3030 -2.9 -9.9 58 7.0 -5.5 240 21 299.3 299.7 284.2 307.2 2.57 9 652 3587 -8.1 -14.1 62 6.0 -10.1 238 23 299.5 299.9 283.7 305.7 1.97 10 647 3647 -7.9 -13.9 62 6.0 -9.9 238 23 300.4 300.8 284.1 306.7 2.02 11 612 4078 -9.5 -27.5 22 18.0 -13.5 236 25 303.4 303.5 283.6 305.6 0.65 12 566 4680 -10.7 -36.7 10 26.0 -15.3 234 27 308.8 308.9 285.2 309.9 0.29 13 507 5516 -17.5 -46.5 6 29.0 -21.0 230 31 310.5 310.5 285.7 310.9 0.12 14 500 5620 -18.5 -44.5 8 26.0 -21.7 230 31 310.5 310.5 285.7 311.0 0.15 15 411 7048 -31.1 -43.1 30 12.0 -32.2 230 26 312.1 312.2 286.4 312.9 0.21 16 400 7240 -32.3 -43.3 33 11.0 -33.3 230 25 313.0 313.0 286.6 313.8 0.21 17 384 7526 -33.9 -42.9 40 9.0 -34.7 229 25 314.6 314.6 287.2 315.4 0.23 18 354 8088 -37.9 -47.9 34 10.0 -38.5 228 25 316.6 316.6 287.8 317.1 0.14 19 341 8343 -41.3 -51.3 33 10.0 -41.8 227 25 315.4 315.4 287.3 315.8 0.10 20 304 9112 -45.9 -55.9 31 10.0 -46.3 225 25 319.4 319.5 288.6 319.7 0.06 21 300 9200 -47.1 -58.1 27 11.0 -47.4 225 25 319.0 319.0 288.5 319.2 0.05 22 296 9288 -48.7 -59.7 27 11.0 -49.0 224 25 317.9 317.9 288.1 318.1 0.04 23 255 10245 -55.5 -66.5 24 11.0 -55.6 216 25 321.7 321.7 289.3 321.8 0.02 24 250 10370 -55.7 -66.7 24 11.0 -55.9 215 25 323.3 323.3 289.8 323.3 0.02 25 214 11352 -59.7 -70.7 23 11.0 -59.8 208 18 331.7 331.7 292.2 331.8 0.01 26 211 11441 -57.7 -68.7 23 11.0 -57.9 207 17 336.2 336.2 293.4 336.3 0.02 27 200 11780 -56.9 -68.9 21 12.0 -57.1 205 15 342.7 342.7 295.0 342.7 0.02 28 184 12312 -53.5 -66.5 19 13.0 -53.8 356.4 356.5 298.0 356.6 0.03 29 166 12978 -51.1 -66.1 15 15.0 -51.5 371.1 371.1 300.8 371.3 0.03 30 163 13097 -51.9 -67.9 13 16.0 -52.3 371.7 371.7 300.9 371.8 0.03 TRP WND Sounding variables and indices 1000-500 mb thick: 5541.00 m Freezing level: 742.00 mb = 2565.11 m = 8415.61 ft Wetbulb zero: 778.60 mb = 2176.47 m = 7140.56 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 41.04 % Est. max temperature: 21.38 C = 70.48 F Sfc-Lift cond lev (LCL): 745.53 mb = 2526.76 m = 8289.80 ft T: 0.25 C 700-500 lapse rate: 6.02 C/km ThetaE index: 6.64 C Layer 954.0- 742.0 mb Conv cond level (CCL): 724.28 mb = 2758.42 m = 9049.82 ft Mean mixing ratio: 4.98 g/kg Conv temperature: 24.48 C = 76.06 F Cap Strength: 3.93 C Lifted Index: 3.16 C Risk: None Lifted Index @300 mb: 5.85 C Lifted Index @700 mb: 0.71 C Showalter Index: 4.54 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 18.50 C K Index: 20.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 57.00 Risk: None Energy Index: 0.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.73 J/kg Max Up Vert Vel: 8.69 m/s Conv Inhibition (B-): 27.97 J/kg Cap Strength: 3.85 C Lift Cond Lev (LCL): 748.32 mb = 2496.68 m = 8191.09 ft Lev Free Conv (LFC): 673.32 mb = 3334.83 m = 10940.92 ft Equ Level (EL): 633.32 mb = 3812.67 m = 12508.60 ft B at Equ Level: 37.11 J/kg Max Parcel Lev (MPL): 583.32 mb = 4448.05 m = 14593.15 ft Wind level data Storm motion: 265 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 ---------------------------------------------------------- 0 988 184 210 7 3.5 6.1 | 111 13 -12.5 4.7 1 925 750 250 15 14.1 5.1 | 153 4 -1.9 3.8 2 850 1460 235 13 10.6 7.5 | 139 8 -5.3 6.1 3 700 3030 240 21 18.2 10.5 | 194 9 2.2 9.1 4 500 5620 230 31 23.7 19.9 | 203 20 7.8 18.6 5 400 7240 230 25 19.2 16.1 | 192 15 3.2 14.7 6 300 9200 225 25 17.7 17.7 | 186 16 1.7 16.3 7 250 10370 215 25 14.3 20.5 | 175 19 -1.7 19.1 8 200 11780 205 15 6.3 13.6 | 142 16 -9.7 12.2 Wind Parameters Mean winds (0-6000m): 235.1 at 21.4 knts Storm direction: 265.1 at 16.1 knts Shear (0-3000m) pos: 2.8 neg: 0.4 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 84.5 deg Storm rel helicity (0-3000m) pos: 32.7 neg: -2.2 tot: 30.6 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.41 Bulk Shear: 15.67 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 ------------------------------------------------------------------------------- 500 236 11 122 9| 9.6 0.0 9.6| 14.5 0.0 14.5 28.9 0.58| 9.9 5.7 1000 242 12 132 7| 4.8 0.6 5.4| 15.3 -1.2 14.1 14.1 0.40| 6.9 2.8 1500 240 13 136 7| 3.2 0.8 4.0| 17.5 -2.2 15.3 10.2 0.37| 5.4 2.0 2000 239 13 141 7| 3.0 0.6 3.6| 22.8 -2.2 20.6 10.3 0.46| 4.7 2.2 2500 239 14 149 7| 2.9 0.5 3.4| 28.2 -2.2 26.0 10.4 0.52| 4.3 2.3 3000 239 15 157 7| 2.8 0.4 3.2| 32.7 -2.2 30.6 10.2 0.55| 4.0 2.2 4000 239 17 172 8| 2.1 0.7 2.8| 36.4 -2.2 34.2 8.6 0.51| 3.6 1.8 5000 237 20 182 9| 1.7 1.0 2.7| 38.3 -2.2 36.1 7.2 0.45| 3.3 1.5 6000 235 21 188 11| 1.4 0.9 2.3| 38.4 -7.3 31.1 5.2 0.38| 3.1 1.2 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20250420.12.gif