UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for U8951... Searching the city database file for: U8951 ... Date:0000Z 1 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 1007 171 -4.1 -4.4 98 0.3 -4.2 220 1 268.5 269.0 268.5 275.9 2.73 1 1000 226 -1.3 -1.8 96 0.5 -1.5 265 7 271.9 272.4 271.6 280.9 3.35 2 996 258 2.0 0.5 90 1.5 1.4 267 7 275.5 276.1 274.7 286.3 3.98 3 979 398 4.8 3.5 91 1.3 4.2 277 9 279.6 280.5 278.3 293.4 5.02 4 964 524 4.4 -1.6 65 6.0 1.8 286 10 280.5 281.1 276.8 290.3 3.52 5 925 859 2.2 -3.8 64 6.0 -0.2 310 13 281.6 282.1 276.9 290.4 3.12 6 882 1244 2.4 -4.6 60 7.0 -0.4 324 14 285.6 286.2 278.9 294.5 3.08 7 850 1542 0.4 -5.6 64 6.0 -2.0 335 15 286.6 287.1 279.1 295.1 2.96 8 805 1975 -3.1 -4.4 91 1.3 -3.6 314 16 287.3 287.9 280.1 297.2 3.42 9 773 2298 -1.5 -5.1 76 3.6 -3.0 298 17 292.4 293.0 282.3 302.4 3.38 10 700 3080 -6.7 -9.9 78 3.2 -7.8 260 19 295.1 295.5 282.5 302.8 2.57 11 694 3147 -6.9 -10.1 78 3.2 -8.0 259 19 295.6 296.0 282.7 303.3 2.55 12 620 4019 -11.9 -20.9 47 9.0 -14.2 251 20 299.5 299.7 282.7 303.2 1.16 13 501 5615 -23.5 -28.5 63 5.0 -24.4 235 23 304.2 304.3 284.0 306.6 0.73 14 500 5630 -23.5 -28.5 63 5.0 -24.4 235 23 304.4 304.5 284.1 306.8 0.73 15 400 7220 -35.1 -44.1 39 9.0 -35.8 220 33 309.4 309.4 285.3 310.1 0.19 16 367 7815 -39.5 -49.5 34 10.0 -40.0 311.2 311.2 285.9 311.6 0.11 TRP WND Sounding variables and indices 1000-500 mb thick: 5404.00 m Freezing level: Surface below freezing Freezing level: 998.42 mb = 238.68 m = 783.06 ft Freezing level: 844.86 mb = 1591.54 m = 5221.52 ft Wetbulb zero: Below ground Precipitable water: 0.53 inches Sfc-500 mean rel hum: 66.59 % Est. max temperature: 13.78 C = 56.80 F Sfc-Lift cond lev (LCL): 1002.07 mb = 209.60 m = 687.66 ft T: -2.13 C 700-500 lapse rate: 6.59 C/km ThetaE index: 3.11 C Layer 964.0- 925.0 mb Conv cond level (CCL): 1000.00 mb = 226.00 m = 741.46 ft Mean mixing ratio: 3.61 g/kg Conv temperature: -0.24 C = 31.56 F Cap Strength: 12.90 C Lifted Index: 13.04 C Risk: None Lifted Index @700 mb: 9.16 C Showalter Index: 8.94 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 17.90 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 53.00 Risk: None Energy Index: 2.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.52 J/kg Max Up Vert Vel: 8.43 m/s Conv Inhibition (B-): 2844.51 J/kg Cap Strength: 12.80 C Lift Cond Lev (LCL): 895.29 mb = 1123.08 m = 3684.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 14 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 1007 171 220 1 0.6 0.8 | 116 13 -12.1 5.9 1 1000 226 265 7 7.0 0.6 | 135 8 -5.7 5.8 2 925 859 310 13 10.0 -8.4 | 41 4 -2.8 -3.2 3 850 1542 335 15 6.3 -13.6 | 37 11 -6.4 -8.5 4 700 3080 260 19 18.7 3.3 | 215 10 6.0 8.4 5 500 5630 235 23 18.8 13.2 | 198 19 6.1 18.3 6 400 7220 220 33 21.2 25.3 | 196 32 8.5 30.4 Wind Parameters Mean winds (0-6000m): 262.0 at 18.3 knts Storm direction: 292.0 at 13.7 knts Shear (0-3000m) pos: 2.7 neg: 3.4 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 98.7 deg Storm rel helicity (0-3000m) pos: 9.3 neg: -32.3 tot: -23.0 m^2/s^2 ave: -7.7 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 7.7 stream: -3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.30 Bulk Shear: 15.44 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 ------------------------------------------------------------------------------- 500 283 9 126 5| 11.3 0.0 11.3| 8.9 -2.7 6.2 12.5 0.06| 13.3 0.8 1000 302 11 81 4| 7.3 0.0 7.3| 8.9 -5.6 3.3 3.3 -0.13| 9.8 -1.3 1500 314 12 52 5| 5.4 0.0 5.4| 9.3 -8.1 1.3 0.8 -0.14| 8.1 -1.1 2000 314 13 41 5| 4.0 1.8 5.8| 9.3 -16.4 -7.1 -3.5 -0.27| 7.9 -2.1 2500 308 14 28 4| 3.2 2.9 6.1| 9.3 -23.6 -14.2 -5.7 -0.39| 7.9 -3.1 3000 299 15 355 2| 2.7 3.4 6.1| 9.3 -32.3 -23.0 -7.7 -0.43| 7.7 -3.3 4000 284 16 244 3| 2.0 3.0 5.0| 9.3 -37.0 -27.7 -6.9 -0.42| 6.3 -2.7 5000 272 17 224 6| 1.6 2.8 4.4| 9.3 -44.8 -35.4 -7.1 -0.43| 5.4 -2.3 6000 262 18 215 9| 1.3 2.8 4.1| 9.8 -49.8 -40.0 -6.7 -0.40| 5.0 -2.0 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251201.00.gif