UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for U8951... Searching the city database file for: U8951 ... Date:0000Z 2 DEC 25 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 1006 169 -1.1 -2.5 90 1.4 -1.6 200 3 271.6 272.1 271.2 280.1 3.16 1 1000 217 -1.5 325 1 271.6 2 985 337 -2.3 352 1 272.0 3 964 510 1.2 0.3 94 0.9 0.8 31 2 277.2 277.9 275.8 288.3 4.05 4 925 842 0.2 0.1 99 0.1 0.1 105 3 279.5 280.2 277.2 291.0 4.16 5 850 1516 -3.1 160 7 282.9 6 772 2274 -6.7 -6.7 100 0.0 -6.7 167 6 286.9 287.4 279.4 295.6 2.99 7 770 2294 -5.3 -5.3 100 0.0 -5.3 168 6 288.6 289.2 280.6 298.3 3.34 8 768 2314 -7.1 -7.1 100 0.0 -7.1 168 6 286.9 287.4 279.3 295.4 2.92 9 700 3031 -12.3 175 5 288.9 10 687 3174 -13.7 177 6 288.9 11 500 5510 -31.1 -31.9 93 0.8 -31.2 215 25 295.1 295.2 279.9 296.8 0.53 12 451 6234 -36.7 -39.2 78 2.5 -36.9 213 15 296.9 297.0 280.4 297.9 0.28 13 400 7060 -39.9 -45.9 53 6.0 -40.2 210 3 303.1 303.2 282.9 303.7 0.16 14 373 7534 -41.1 -48.1 47 7.0 -41.5 234 3 307.7 307.7 284.6 308.1 0.13 15 300 8980 -49.5 -59.5 30 10.0 -49.7 310 5 315.6 315.6 287.3 315.7 0.04 16 270 9665 -53.1 -63.1 29 10.0 -53.3 293 11 320.0 320.0 288.8 320.1 0.03 17 250 10160 -53.9 -63.9 28 10.0 -54.1 280 15 325.9 325.9 290.6 326.0 0.03 18 200 11580 -58.5 -69.5 23 11.0 -58.6 265 15 340.1 340.1 294.4 340.2 0.02 19 199 11612 -58.5 -69.5 23 11.0 -58.6 265 15 340.6 340.6 294.5 340.7 0.02 20 150 13390 -60.9 -72.9 19 12.0 -61.0 285 15 365.2 365.2 299.7 365.2 0.01 21 100 15890 -63.7 -82.7 6 19.0 -63.9 285 19 404.7 404.7 305.8 404.7 0.00 22 70 18060 -65.3 -93.3 1 28.0 -65.5 315 35 444.7 444.7 310.3 444.7 0.00 23 66 18418 -65.5 -93.5 1 28.0 -65.7 312 35 451.8 451.8 311.0 451.8 0.00 24 59 19094 -69.1 -96.1 1 27.0 -69.2 305 34 458.4 458.4 311.6 458.4 0.00 25 50 20080 -70.3 -97.3 1 27.0 -70.5 295 33 477.8 477.8 313.2 477.8 0.00 26 49 20200 -70.5 -97.5 1 27.0 -70.6 295 33 480.1 480.1 313.5 480.1 0.00 27 44 20842 -67.9 -94.9 1 27.0 -68.1 298 35 501.5 501.5 315.1 501.5 0.00 28 30 23120 -72.1 -98.1 1 26.0 -72.3 305 40 548.1 548.1 318.0 548.1 0.00 29 23 24673 -75.1 -100.1 1 25.0 -75.3 582.5 582.5 319.8 582.5 0.00 TRP 199 11612 -58.5 -69.5 23 11.0 -58.6 265 15 340.6 340.6 294.5 340.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5293.00 m Freezing level: Surface below freezing Freezing level: 971.20 mb = 450.77 m = 1478.87 ft Freezing level: 920.45 mb = 882.85 m = 2896.45 ft Wetbulb zero: Below ground Precipitable water: 0.55 inches Sfc-500 mean rel hum: 96.88 % Est. max temperature: 9.95 C = 49.91 F Sfc-Lift cond lev (LCL): 984.06 mb = 345.06 m = 1132.07 ft T: -2.14 C 700-500 lapse rate: 7.58 C/km ThetaE index: 2.97 C Layer 768.0- 700.0 mb Conv cond level (CCL): 1000.00 mb = 217.00 m = 711.93 ft Mean mixing ratio: 3.90 g/kg Conv temperature: 0.73 C = 33.32 F Cap Strength: 6.63 C Lifted Index: 7.20 C Risk: None Lifted Index @300 mb: 20.09 C Lifted Index @700 mb: 5.14 C Showalter Index: 2.86 C Risk: Showers probable Total Totals Index: 56.02 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.00 C Cross Totals Index: 28.02 C K Index: 24.76 Risk: 20-40 % chance of thunderstorms Sweat Index: 179.40 Risk: None Energy Index: 0.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.20 J/kg Max Up Vert Vel: 9.08 m/s Conv Inhibition (B-): 38123.79 J/kg Cap Strength: 7.14 C Lift Cond Lev (LCL): 952.13 mb = 609.54 m = 1999.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 231 at 8 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 1006 169 200 3 1.0 2.8 | 66 6 -5.3 -2.3 1 1000 217 325 1 0.6 -0.8 | 44 8 -5.8 -6.0 2 925 842 105 3 -2.9 0.8 | 65 10 -9.3 -4.4 3 850 1516 160 7 -2.4 6.6 | 99 9 -8.8 1.4 4 700 3031 175 5 -0.4 5.0 | 89 7 -6.8 -0.2 5 500 5510 215 25 14.3 20.5 | 207 17 8.0 15.3 6 400 7060 210 3 1.5 2.6 | 62 5 -4.9 -2.6 7 300 8980 310 5 3.8 -3.2 | 17 9 -2.5 -8.4 8 250 10160 280 15 14.8 -2.6 | 313 11 8.4 -7.8 9 200 11580 265 15 14.9 1.3 | 294 9 8.6 -3.8 10 199 11612 265 15 14.9 1.3 | 294 9 8.6 -3.8 11 150 13390 285 15 14.5 -3.9 | 318 12 8.1 -9.0 12 100 15890 285 19 18.4 -4.9 | 310 16 12.0 -10.1 13 70 18060 315 35 24.7 -24.7 | 328 35 18.4 -29.9 14 50 20080 295 33 29.9 -13.9 | 309 30 23.5 -19.1 15 30 23120 305 40 32.8 -22.9 | 317 39 26.4 -28.1 Wind Parameters Mean winds (0-6000m): 201.0 at 10.9 knts Storm direction: 231.0 at 8.2 knts Shear (0-3000m) pos: 1.3 neg: 0.9 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 31.8 deg Storm rel helicity (0-3000m) pos: 27.9 neg: -7.8 tot: 20.1 m^2/s^2 ave: 6.7 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.97 Bulk Shear: 20.88 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 43 2 50 10| 0.0 5.2 5.2| 5.2 -5.2 0.0 0.1 -0.13| 7.3 -1.0 1000 112 3 65 10| 2.3 2.6 4.9| 17.7 -5.2 12.5 12.5 0.31| 6.0 1.9 1500 141 4 76 9| 2.5 1.7 4.3| 26.0 -5.3 20.7 13.8 0.44| 5.3 2.3 2000 150 4 82 9| 1.8 1.3 3.1| 26.0 -6.1 19.9 9.9 0.39| 4.2 1.7 2500 155 5 84 8| 1.3 1.0 2.4| 26.0 -7.1 18.9 7.6 0.35| 3.5 1.2 3000 159 5 86 8| 1.3 0.9 2.1| 27.9 -7.8 20.1 6.7 0.35| 3.2 1.1 4000 172 6 98 7| 2.0 0.6 2.7| 44.1 -7.8 36.3 9.1 0.54| 3.5 1.9 5000 190 9 125 6| 2.5 0.5 3.0| 68.1 -7.8 60.3 12.1 0.61| 3.8 2.3 6000 201 11 154 6| 2.1 1.0 3.2| 78.6 -15.4 63.2 10.5 0.46| 4.2 1.9 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251202.00.gif