UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 24 DEC 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 50 -22.3 -25.3 77 3.0 -22.6 315 3 250.4 250.4 250.1 251.7 0.49 1 1000 101 -21.9 -25.0 76 3.1 -22.2 320 5 251.2 251.3 250.9 252.6 0.50 2 959 408 -23.5 -26.9 74 3.4 -23.8 288 10 252.7 252.7 252.0 253.9 0.44 3 925 676 -15.5 -18.8 76 3.3 -16.1 260 15 263.5 263.6 261.8 266.0 0.94 4 890 968 -14.1 -17.1 78 3.0 -14.7 249 20 267.8 268.0 265.3 271.0 1.12 5 850 1315 -15.7 -18.8 77 3.1 -16.3 235 25 269.7 269.9 266.4 272.6 1.02 6 792 1846 -16.7 -19.6 78 2.9 -17.3 235 28 274.1 274.3 269.4 277.1 1.02 7 700 2764 -21.5 -24.6 76 3.1 -22.0 235 33 278.7 278.8 271.6 280.9 0.74 8 646 3352 -24.5 -28.4 70 3.9 -25.0 236 33 281.7 281.8 273.2 283.5 0.57 9 534 4706 -35.9 -39.9 67 4.0 -36.2 239 33 283.9 283.9 273.8 284.6 0.22 10 500 5160 -38.9 -43.0 65 4.1 -39.1 240 33 285.6 285.6 274.6 286.2 0.17 11 400 6660 -48.9 -53.1 61 4.2 -49.0 230 35 291.4 291.4 277.5 291.7 0.07 12 372 7134 -52.5 -56.7 60 4.2 -52.6 228 34 292.8 292.8 278.1 292.9 0.05 13 318 8140 -56.5 -60.6 60 4.1 -56.6 225 31 300.7 300.7 281.7 300.8 0.03 14 300 8510 -56.3 -60.4 60 4.1 -56.3 235 33 306.0 306.0 283.8 306.1 0.04 15 250 9670 -54.7 -59.5 55 4.8 -54.8 250 35 324.7 324.8 290.3 324.9 0.05 16 200 11100 -54.3 -60.3 48 6.0 -54.5 245 31 346.8 346.8 296.0 347.0 0.06 17 187 11530 -54.3 -60.3 48 6.0 -54.5 247 33 353.5 353.5 297.4 353.8 0.06 18 150 12930 -57.7 -65.7 35 8.0 -57.9 255 38 370.7 370.7 300.7 370.8 0.04 19 101 15408 -62.3 -72.3 25 10.0 -62.5 255 46 406.2 406.2 306.0 406.3 0.02 20 100 15470 -61.9 -71.9 25 10.0 -62.1 255 46 408.1 408.1 306.3 408.2 0.02 21 94 15852 -62.9 -72.9 25 10.0 -63.1 255 47 413.4 413.5 306.9 413.6 0.02 22 70 17660 -65.1 -76.1 20 11.0 -65.3 255 50 445.1 445.1 310.4 445.2 0.02 23 54 19229 -68.9 -79.9 19 11.0 -69.1 259 56 470.6 470.7 312.7 470.7 0.01 24 50 19690 -68.5 -79.5 19 11.0 -68.7 260 58 482.1 482.1 313.6 482.1 0.01 25 37 21497 -68.0 -79.0 19 11.0 -68.2 265 71 526.8 526.8 316.8 527.0 0.02 26 36 21662 -67.9 -78.9 19 11.0 -68.1 531.1 531.1 317.0 531.2 0.02 TRP 318 8140 -56.5 -60.6 60 4.1 -56.6 225 31 300.7 300.7 281.7 300.8 0.03 WND 37 21497 -68.0 -79.0 19 11.0 -68.2 265 71 526.8 526.8 316.8 527.0 0.02 Sounding variables and indices 1000-500 mb thick: 5059.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 72.97 % Est. max temperature: -3.25 C = 26.16 F Sfc-Lift cond lev (LCL): 958.08 mb = 415.04 m = 1361.67 ft T: -23.29 C 700-500 lapse rate: 7.26 C/km ThetaE index: 0.00 C Layer 1007.0--13503016538810089472.0 mb Conv cond level (CCL): 988.15 mb = 188.41 m = 618.15 ft Mean mixing ratio: 0.64 g/kg Conv temperature: -21.00 C = -5.80 F Cap Strength: 21.62 C Lifted Index: 22.60 C Risk: None Lifted Index @300 mb: 33.91 C Lifted Index @700 mb: 19.00 C Showalter Index: 10.88 C Risk: None Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 20.10 C K Index: 1.30 Risk: None Sweat Index: 118.89 Risk: None Energy Index: 2.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.72 J/kg Max Up Vert Vel: 11.29 m/s Conv Inhibition (B-): 42810.11 J/kg Cap Strength: 22.47 C Lift Cond Lev (LCL): 914.97 mb = 758.38 m = 2488.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 21 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 50 315 3 2.1 -2.1 | 82 19 -19.2 -2.7 1 1000 101 320 5 3.2 -3.8 | 76 19 -18.1 -4.4 2 925 676 260 15 14.8 2.6 | 107 7 -6.5 2.0 3 850 1315 235 25 20.5 14.3 | 177 14 -0.8 13.7 4 700 2764 235 33 27.0 18.9 | 197 19 5.7 18.3 5 500 5160 240 33 28.6 16.5 | 205 17 7.3 15.9 6 400 6660 230 35 26.8 22.5 | 194 23 5.5 21.9 7 318 8140 225 31 21.9 21.9 | 182 21 0.6 21.3 8 300 8510 235 33 27.0 18.9 | 197 19 5.7 18.3 9 250 9670 250 35 32.9 12.0 | 226 16 11.6 11.4 10 200 11100 245 31 28.1 13.1 | 209 14 6.8 12.5 11 150 12930 255 38 36.7 9.8 | 239 18 15.4 9.2 12 100 15470 255 46 44.4 11.9 | 244 26 23.1 11.3 13 70 17660 255 50 48.3 12.9 | 245 30 27.0 12.3 14 50 19690 260 58 57.1 10.1 | 255 37 35.8 9.5 Wind Parameters Mean winds (0-6000m): 238.4 at 28.4 knts Storm direction: 268.4 at 21.3 knts Shear (0-3000m) pos: 0.2 neg: 5.4 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 116.3 deg Storm rel helicity (0-3000m) pos: 55.9 neg: -16.0 tot: 39.9 m^2/s^2 ave: 13.3 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 2.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.85 Bulk Shear: 74.76 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 ------------------------------------------------------------------------------- 500 287 8 77 14| 0.0 11.1 11.1| 5.0 -16.0 -11.0 -22.0 -0.12| 13.0 -1.6 1000 262 13 97 9| 0.0 10.3 10.3| 23.4 -16.0 7.4 7.4 0.36| 12.3 4.4 1500 249 16 131 8| 0.0 8.9 8.9| 33.7 -16.0 17.7 11.8 0.38| 10.6 4.1 2000 244 19 152 9| 0.0 7.4 7.4| 42.3 -16.0 26.3 13.1 0.41| 8.7 3.6 2500 241 21 166 10| 0.0 6.5 6.5| 50.9 -16.0 34.9 13.9 0.43| 7.5 3.3 3000 240 23 174 11| 0.2 5.4 5.6| 55.9 -16.0 39.9 13.3 0.44| 6.5 2.9 4000 239 26 183 13| 0.2 4.0 4.3| 60.6 -16.0 44.6 11.2 0.45| 5.0 2.3 5000 239 27 189 14| 0.3 3.2 3.5| 65.2 -16.0 49.2 9.8 0.47| 4.2 1.9 6000 238 28 191 15| 0.3 2.8 3.1| 65.7 -26.7 39.0 6.5 0.38| 3.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251224.12.gif