UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for U3330... Searching the city database file for: U3330 ... Date:1200Z 28 DEC 25 Station: U3330 WMO ident: 23330 Latitude: 66.53 Longitude: 66.53 ------------------------------------------------------------------------------- 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 1000 12 -20.5 -24.4 71 3.9 -21.0 200 3 252.6 252.7 252.2 254.1 0.53 1 970 240 -21.7 -25.0 75 3.3 -22.1 216 9 253.7 253.7 253.0 255.1 0.52 2 955 357 -21.1 -24.5 74 3.4 -21.5 224 12 255.4 255.5 254.5 256.9 0.55 3 925 600 -10.9 -13.2 83 2.3 -11.5 240 19 268.2 268.4 266.2 272.3 1.49 4 916 675 -10.3 -12.4 85 2.1 -10.8 241 18 269.5 269.8 267.3 274.0 1.61 5 908 742 -10.5 -12.4 86 1.9 -11.0 242 17 270.0 270.3 267.7 274.5 1.62 6 897 836 -9.5 -11.3 87 1.8 -10.0 244 16 272.0 272.3 269.2 277.0 1.79 7 874 1036 -10.1 -11.8 87 1.7 -10.6 247 14 273.4 273.7 270.1 278.3 1.77 8 850 1250 -11.1 -13.7 81 2.6 -11.8 250 11 274.5 274.8 270.5 278.9 1.56 9 700 2712 -20.5 -24.1 73 3.6 -21.1 250 15 279.8 279.9 272.3 282.1 0.78 10 640 3369 -24.9 -28.1 75 3.2 -25.4 241 14 282.0 282.1 273.3 283.9 0.59 11 500 5110 -39.7 -43.8 65 4.1 -39.9 215 11 284.6 284.7 274.1 285.2 0.16 12 466 5586 -43.1 -47.2 64 4.1 -43.3 223 15 286.2 286.2 274.9 286.6 0.12 13 400 6600 -48.5 -52.2 65 3.7 -48.6 240 23 292.0 292.0 277.7 292.2 0.08 14 300 8460 -57.1 -62.1 53 5.0 -57.2 250 15 304.9 304.9 283.4 305.0 0.03 15 274 9029 -60.1 -65.0 53 4.9 -60.2 255 17 308.5 308.5 284.8 308.6 0.02 16 250 9600 -59.7 -64.7 52 5.0 -59.7 245 21 317.3 317.3 287.9 317.4 0.03 17 218 10459 -61.7 -67.7 45 6.0 -61.7 239 22 326.9 326.9 290.9 327.0 0.02 18 200 11000 -58.5 -64.5 46 6.0 -58.6 235 23 340.1 340.1 294.4 340.3 0.03 19 196 11126 -58.1 -64.1 46 6.0 -58.2 237 24 342.7 342.7 295.0 342.9 0.04 20 150 12800 -59.1 -66.1 40 7.0 -59.2 265 31 368.3 368.3 300.3 368.4 0.04 21 111 14669 -63.9 -71.9 33 8.0 -64.0 265 31 392.4 392.4 304.2 392.5 0.02 22 100 15310 -63.7 -71.7 33 8.0 -63.8 265 31 404.7 404.7 305.9 404.8 0.02 23 76 16975 -67.7 -75.7 31 8.0 -67.8 261 33 429.3 429.3 308.8 429.4 0.02 24 70 17470 -67.3 -75.3 31 8.0 -67.4 260 33 440.4 440.4 309.9 440.5 0.02 25 50 19480 -70.7 -79.7 25 9.0 -70.8 265 48 476.9 476.9 313.2 477.0 0.01 26 47 19846 -71.1 -80.1 25 9.0 -71.2 263 47 484.4 484.4 313.8 484.5 0.01 27 30 22500 -71.3 -80.3 25 9.0 -71.5 245 38 550.3 550.3 318.1 550.4 0.02 28 22 24334 -72.3 -81.3 25 9.0 -72.5 253 49 598.3 598.3 320.5 598.5 0.02 29 20 24900 -69.7 -79.7 22 10.0 -70.0 255 52 622.8 622.8 321.6 623.1 0.03 30 19 25206 -68.7 -78.7 22 10.0 -69.1 254 54 635.1 635.1 322.1 635.5 0.04 31 12 27930 -72.5 -82.5 21 10.0 -72.9 242 70 710.9 710.9 324.8 711.2 0.04 32 11 28446 -69.2 -79.2 22 10.0 -69.8 240 73 740.9 741.0 325.7 741.5 0.07 33 10 29020 -65.5 -75.5 24 10.0 -66.5 235 48 775.1 775.1 326.7 776.3 0.14 34 9.3 29462 -65.1 -75.1 24 10.0 -66.2 792.8 792.9 327.1 794.3 0.15 TRP 274 9029 -60.1 -65.0 53 4.9 -60.2 255 17 308.5 308.5 284.8 308.6 0.02 WND 11 28446 -69.2 -79.2 22 10.0 -69.8 240 73 740.9 741.0 325.7 741.5 0.07 Sounding variables and indices 1000-500 mb thick: 5097.90 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 74.84 % Est. max temperature: 1.37 C = 34.46 F Sfc-Lift cond lev (LCL): 937.58 mb = 496.97 m = 1630.45 ft T: -15.22 C 700-500 lapse rate: 8.01 C/km ThetaE index: 0.00 C Layer 1000.0--151996493463552.0 mb Conv cond level (CCL): 970.00 mb = 240.05 m = 787.56 ft Mean mixing ratio: 0.96 g/kg Conv temperature: -15.72 C = 3.70 F Cap Strength: 17.27 C Lifted Index: 17.94 C Risk: None Lifted Index @300 mb: 29.75 C Lifted Index @700 mb: 15.90 C Showalter Index: 5.05 C Risk: None Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.60 C Cross Totals Index: 26.00 C K Index: 11.30 Risk: None Sweat Index: 145.00 Risk: None Energy Index: 1.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 88.79 J/kg Max Up Vert Vel: 13.33 m/s Conv Inhibition (B-): 59396.05 J/kg Cap Strength: 17.92 C Lift Cond Lev (LCL): 926.30 mb = 589.32 m = 1933.44 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 10 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 1000 12 200 3 1.0 2.8 | 105 9 -8.9 2.4 1 1000 19 200 3 1.0 2.8 | 105 9 -8.9 2.4 2 925 600 240 19 16.5 9.5 | 216 11 6.5 9.1 3 850 1250 250 11 10.3 3.8 | 187 3 0.4 3.4 4 700 2712 250 15 14.1 5.1 | 221 6 4.1 4.8 5 500 5110 215 11 6.3 9.0 | 157 9 -3.6 8.6 6 400 6600 240 23 19.9 11.5 | 222 15 10.0 11.1 7 300 8460 250 15 14.1 5.1 | 221 6 4.1 4.8 8 274 9029 255 17 16.4 4.4 | 238 8 6.5 4.0 9 250 9600 245 21 19.0 8.9 | 227 12 9.1 8.5 10 200 11000 235 23 18.8 13.2 | 215 16 8.9 12.8 11 150 12800 265 31 30.9 2.7 | 264 21 20.9 2.3 12 100 15310 265 31 30.9 2.7 | 264 21 20.9 2.3 13 70 17470 260 33 32.5 5.7 | 257 23 22.6 5.4 14 50 19480 265 48 47.8 4.2 | 264 38 37.9 3.8 15 30 22500 245 38 34.4 16.1 | 237 29 24.5 15.7 16 20 24900 255 52 50.2 13.5 | 252 42 40.3 13.1 17 11 28446 240 73 63.2 36.5 | 236 64 53.3 36.1 18 10 29020 235 48 39.3 27.5 | 227 40 29.4 27.2 Wind Parameters Mean winds (0-6000m): 237.8 at 13.3 knts Storm direction: 267.8 at 10.0 knts Shear (0-3000m) pos: 1.7 neg: 0.5 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 104.9 deg Storm rel helicity (0-3000m) pos: 44.8 neg: -5.8 tot: 39.0 m^2/s^2 ave: 13.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 44.00 Bulk Shear: 2.02 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 ------------------------------------------------------------------------------- 500 229 10 157 7| 14.6 0.0 14.6| 34.0 0.0 34.0 68.1 0.98| 15.4 15.2 1000 239 13 192 7| 6.2 0.0 6.2| 41.7 -1.9 39.8 39.8 0.72| 11.9 8.5 1500 242 13 193 6| 3.4 0.0 3.4| 42.1 -3.7 38.4 25.6 0.58| 9.1 5.3 2000 244 13 195 5| 2.6 0.4 2.9| 43.2 -3.7 39.5 19.8 0.59| 7.2 4.3 2500 245 13 199 5| 2.1 0.6 2.6| 44.4 -3.7 40.6 16.3 0.59| 6.0 3.6 3000 246 13 203 5| 1.7 0.5 2.2| 44.8 -5.8 39.0 13.0 0.53| 5.3 2.8 4000 244 13 201 6| 1.3 0.5 1.8| 44.8 -12.6 32.2 8.1 0.36| 4.5 1.6 5000 241 13 194 6| 1.0 0.7 1.7| 44.8 -19.5 25.2 5.0 0.25| 4.0 1.0 6000 238 13 191 7| 1.5 0.6 2.1| 66.3 -20.2 46.1 7.7 0.36| 4.0 1.5 Wrote GIF file: /home/apache/climate/data/raob//U3330/skewt/U3330.skewt.20251228.12.gif