UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for U6298... Searching the city database file for: U6298 ... Date:0000Z 18 DEC 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 117 210 5 SFC 991 190 0.0 -0.6 96 0.6 -0.2 210 5 273.9 274.5 273.4 283.9 3.69 2 935 654 -2.9 -4.1 91 1.2 -3.3 256 22 275.5 276.0 273.3 283.8 3.01 3 925 740 -0.7 -2.1 90 1.4 -1.3 265 25 278.6 279.2 275.8 288.4 3.54 4 900 960 3.0 1.5 90 1.5 2.3 268 24 284.6 285.4 280.4 297.9 4.74 5 876 1179 4.6 -1.4 65 6.0 1.9 271 22 288.5 289.2 281.3 299.8 3.94 6 855 1376 3.0 -4.0 60 7.0 0.1 274 21 288.8 289.4 280.7 298.5 3.32 7 850 1423 2.6 -4.4 60 7.0 -0.3 275 21 288.9 289.4 280.6 298.3 3.24 8 700 2962 -8.7 -11.2 82 2.5 -9.5 250 31 292.9 293.3 281.3 299.8 2.32 9 684 3141 -10.3 -12.5 84 2.2 -11.0 251 32 293.0 293.4 281.1 299.5 2.14 10 616 3943 -13.7 -15.1 89 1.4 -14.1 258 36 298.0 298.4 283.0 303.9 1.92 11 572 4503 -16.7 -18.7 84 2.0 -17.2 262 39 300.9 301.2 283.7 305.7 1.53 12 500 5500 -24.1 -26.1 83 2.0 -24.5 270 44 303.7 303.8 284.0 306.6 0.91 13 483 5751 -25.7 -28.0 81 2.3 -26.1 272 45 304.7 304.9 284.3 307.3 0.79 14 420 6741 -35.1 -37.8 76 2.7 -35.4 278 49 305.1 305.1 283.9 306.3 0.35 15 409 6925 -35.1 -37.9 76 2.8 -35.4 279 49 307.4 307.5 284.8 308.7 0.36 16 400 7080 -35.3 -38.4 73 3.1 -35.6 280 50 309.1 309.2 285.4 310.3 0.35 17 384 7363 -35.5 -39.6 66 4.1 -35.9 283 51 312.5 312.5 286.6 313.6 0.32 18 353 7943 -38.7 -44.7 53 6.0 -39.1 289 52 315.8 315.8 287.6 316.5 0.20 19 348 8041 -41.1 -48.1 47 7.0 -41.5 290 52 313.8 313.9 286.9 314.4 0.14 20 300 9030 -48.7 -54.7 50 6.0 -48.9 300 54 316.7 316.7 287.8 317.0 0.08 21 280 9482 -52.7 -58.7 48 6.0 -52.8 298 55 317.3 317.3 287.9 317.5 0.05 22 250 10210 -56.7 -62.7 47 6.0 -56.8 295 56 321.8 321.8 289.3 321.9 0.03 23 235 10601 -59.1 -65.1 46 6.0 -59.2 299 59 323.9 323.9 290.0 324.0 0.03 24 224 10903 -58.9 -64.9 46 6.0 -59.0 303 62 328.7 328.7 291.4 328.8 0.03 25 216 11131 -60.1 -66.1 45 6.0 -60.2 305 64 330.2 330.2 291.8 330.3 0.02 26 200 11610 -62.7 -68.7 44 6.0 -62.8 320 33 333.5 333.5 292.7 333.5 0.02 27 197 11704 -60.9 -67.9 39 7.0 -61.0 337.8 337.8 293.8 337.9 0.02 28 180 12264 -61.3 -68.3 39 7.0 -61.4 346.0 346.0 295.7 346.0 0.02 TRP WND 216 11131 -60.1 -66.1 45 6.0 -60.2 305 64 330.2 330.2 291.8 330.3 0.02 Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: 991.00 mb = 189.61 m = 622.06 ft Freezing level: 920.27 mb = 781.61 m = 2564.30 ft Freezing level: 815.49 mb = 1777.11 m = 5830.33 ft Wetbulb zero: Below ground Precipitable water: 0.54 inches Sfc-500 mean rel hum: 80.89 % Est. max temperature: 15.20 C = 59.36 F Sfc-Lift cond lev (LCL): 981.70 mb = 264.96 m = 869.27 ft T: -0.47 C 700-500 lapse rate: 6.07 C/km ThetaE index: 1.51 C Layer 855.0- 700.0 mb Conv cond level (CCL): 971.75 mb = 346.29 m = 1136.12 ft Mean mixing ratio: 3.66 g/kg Conv temperature: 0.55 C = 32.99 F Cap Strength: 12.69 C Lifted Index: 13.79 C Risk: None Lifted Index @300 mb: 20.54 C Lifted Index @700 mb: 8.39 C Showalter Index: 6.06 C Risk: None Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 19.70 C K Index: 19.80 Risk: < 20 % chance of thunderstorms Sweat Index: 86.00 Risk: None Energy Index: 1.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.30 J/kg Max Up Vert Vel: 10.23 m/s Conv Inhibition (B-): 7864.32 J/kg Cap Strength: 13.73 C Lift Cond Lev (LCL): 923.70 mb = 751.31 m = 2464.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 24 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 ---------------------------------------------------------- 0 991 190 210 5 2.5 4.3 | 126 24 -19.5 13.9 1 925 740 265 25 24.9 2.2 | 194 12 2.9 11.8 2 850 1423 275 21 20.9 -1.8 | 172 8 -1.0 7.8 3 700 2962 250 31 29.1 10.6 | 200 21 7.2 20.2 4 500 5500 270 44 44.0 -0.0 | 246 24 22.0 9.6 5 400 7080 280 50 49.2 -8.7 | 268 27 27.3 0.9 6 300 9030 300 54 46.8 -27.0 | 305 30 24.8 -17.4 7 250 10210 295 56 50.8 -23.7 | 296 32 28.8 -14.1 8 216 11131 305 64 52.4 -36.7 | 312 41 30.5 -27.1 9 200 11610 320 33 21.2 -25.3 | 3 16 -0.8 -15.7 Wind Parameters Mean winds (0-6000m): 263.6 at 32.0 knts Storm direction: 293.6 at 24.0 knts Shear (0-3000m) pos: 3.5 neg: 2.3 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 78.0 deg Storm rel helicity (0-3000m) pos: 130.1 neg: -7.9 tot: 122.2 m^2/s^2 ave: 40.7 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 4.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.20 Bulk Shear: 43.61 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 ------------------------------------------------------------------------------- 500 255 14 147 16| 20.9 0.0 20.9|100.7 0.0 100.7 201.5 0.88| 22.9 20.0 1000 263 19 165 12| 10.5 0.0 10.5|107.8 -5.1 102.7 102.7 0.69| 14.6 10.1 1500 267 20 169 11| 7.0 0.2 7.2|111.5 -7.9 103.6 69.0 0.62| 11.0 6.9 2000 266 21 174 11| 5.3 1.3 6.6|118.0 -7.9 110.1 55.1 0.60| 9.5 5.7 2500 264 22 181 12| 4.2 2.1 6.3|121.5 -7.9 113.6 45.4 0.55| 8.7 4.8 3000 261 24 186 13| 3.5 2.3 5.8|130.1 -7.9 122.2 40.7 0.53| 7.9 4.2 4000 259 26 195 15| 3.5 1.7 5.2|170.1 -7.9 162.1 40.5 0.59| 6.9 4.1 5000 261 29 206 16| 3.5 1.4 4.9|214.1 -7.9 206.1 41.2 0.64| 6.3 4.0 6000 264 32 217 16| 3.5 1.2 4.6|255.8 -7.9 247.9 41.3 0.67| 5.8 3.9 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251218.00.gif