UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for U7713... Searching the city database file for: U7713 ... Date:0000Z 21 DEC 25 Station: U7713 WMO ident: 27713 ------------------------------------------------------------------------------- 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 119 270 1 SFC 991 191 0.0 -1.4 90 1.4 -0.6 270 1 273.9 274.4 273.1 283.3 3.48 2 934 662 -3.1 -4.9 87 1.8 -3.7 266 23 275.4 275.9 273.0 283.2 2.84 3 925 739 -2.3 -4.2 87 1.9 -3.0 265 27 277.0 277.5 274.2 285.3 3.02 4 908 887 -0.3 -2.0 88 1.7 -1.0 268 27 280.5 281.1 277.0 290.6 3.63 5 865 1276 0.0 -1.5 90 1.5 -0.6 277 29 284.7 285.4 279.5 295.9 3.96 6 850 1416 -0.7 -2.4 88 1.7 -1.4 280 29 285.4 286.1 279.6 296.1 3.77 7 738 2534 -6.1 -11.1 68 5.0 -7.8 265 33 291.3 291.7 280.4 297.9 2.22 8 712 2815 -5.9 -11.9 63 6.0 -7.9 262 34 294.5 294.9 281.8 301.1 2.16 9 710 2837 -6.1 -12.1 62 6.0 -8.1 261 35 294.5 294.9 281.7 301.0 2.13 10 700 2948 -6.7 -12.7 62 6.0 -8.7 260 35 295.1 295.4 281.9 301.3 2.05 11 633 3723 -13.1 -16.9 73 3.8 -14.2 259 41 296.4 296.7 281.9 301.4 1.61 12 610 4004 -13.3 -16.1 79 2.8 -14.1 258 43 299.3 299.6 283.4 304.9 1.78 13 586 4308 -15.5 -18.6 77 3.1 -16.3 257 45 300.2 300.5 283.4 304.9 1.50 14 500 5490 -21.9 -31.9 40 10.0 -23.5 255 54 306.3 306.4 284.6 308.1 0.53 15 440 6422 -27.7 -42.7 23 15.0 -29.2 252 65 310.4 310.4 285.7 311.1 0.20 16 435 6504 -28.5 -44.5 20 16.0 -30.0 252 66 310.4 310.4 285.7 311.0 0.17 17 400 7100 -34.1 -48.1 23 14.0 -35.0 250 73 310.7 310.7 285.7 311.1 0.12 18 393 7223 -35.1 -48.1 25 13.0 -36.0 250 73 310.9 311.0 285.8 311.4 0.12 19 300 9050 -48.9 -58.9 30 10.0 -49.1 245 75 316.4 316.4 287.6 316.6 0.05 20 286 9362 -50.7 -59.7 34 9.0 -50.9 244 78 318.2 318.2 288.2 318.4 0.04 21 284 9407 -51.1 -60.1 33 9.0 -51.3 243 79 318.3 318.3 288.2 318.4 0.04 22 252 10170 -58.1 -67.1 31 9.0 -58.2 240 86 319.0 319.0 288.4 319.0 0.02 23 250 10220 -59.1 -68.1 30 9.0 -59.2 240 87 318.2 318.2 288.2 318.3 0.02 24 222 10955 -62.3 -71.3 29 9.0 -62.4 245 89 324.3 324.3 290.0 324.3 0.01 25 214 11180 -63.3 -72.3 28 9.0 -63.4 247 83 326.1 326.1 290.6 326.2 0.01 26 200 11590 -66.7 -74.7 32 8.0 -66.7 250 71 327.1 327.1 290.9 327.2 0.01 27 185 12064 -64.7 -73.7 28 9.0 -64.8 337.7 337.7 293.8 337.8 0.01 TRP WND 222 10955 -62.3 -71.3 29 9.0 -62.4 245 89 324.3 324.3 290.0 324.3 0.01 Sounding variables and indices 1000-500 mb thick: 5371.00 m Freezing level: 991.00 mb = 191.30 m = 627.61 ft Freezing level: 865.00 mb = 1275.91 m = 4185.99 ft Freezing level: 865.00 mb = 1275.91 m = 4185.99 ft Wetbulb zero: Below ground Precipitable water: 0.49 inches Sfc-500 mean rel hum: 73.19 % Est. max temperature: 11.97 C = 53.54 F Sfc-Lift cond lev (LCL): 969.46 mb = 366.06 m = 1200.96 ft T: -1.15 C 700-500 lapse rate: 5.98 C/km ThetaE index: 0.10 C Layer 934.0- 925.0 mb Conv cond level (CCL): 934.67 mb = 656.65 m = 2154.33 ft Mean mixing ratio: 3.26 g/kg Conv temperature: 1.49 C = 34.69 F Cap Strength: 14.01 C Lifted Index: 17.63 C Risk: None Lifted Index @300 mb: 21.83 C Lifted Index @700 mb: 11.85 C Showalter Index: 9.78 C Risk: None Total Totals Index: 40.70 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 19.50 C K Index: 12.80 Risk: None Sweat Index: 112.00 Risk: None Energy Index: 2.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.85 J/kg Max Up Vert Vel: 8.47 m/s Conv Inhibition (B-): 8241.83 J/kg Cap Strength: 17.35 C Lift Cond Lev (LCL): 916.00 mb = 817.02 m = 2680.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 290 at 29 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 ---------------------------------------------------------- 0 991 191 270 1 1.0 -0.0 | 111 28 -26.0 10.1 1 925 739 265 27 26.9 2.4 | 179 12 -0.1 12.4 2 850 1416 280 29 28.6 -5.0 | 197 5 1.5 5.0 3 700 2948 260 35 34.5 6.1 | 205 18 7.4 16.1 4 500 5490 255 54 52.2 14.0 | 226 35 25.1 24.0 5 400 7100 250 73 68.6 25.0 | 230 54 41.6 35.0 6 300 9050 245 75 68.0 31.7 | 224 58 40.9 41.8 7 250 10220 240 87 75.3 43.5 | 222 72 48.3 53.6 8 222 10955 245 89 80.7 37.6 | 228 72 53.6 47.7 9 200 11590 250 71 66.7 24.3 | 229 52 39.7 34.3 Wind Parameters Mean winds (0-6000m): 260.4 at 38.5 knts Storm direction: 290.4 at 28.8 knts Shear (0-3000m) pos: 1.3 neg: 5.5 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 97.6 deg Storm rel helicity (0-3000m) pos: 93.7 neg: -1.5 tot: 92.2 m^2/s^2 ave: 30.7 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 4.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.41 Bulk Shear: 87.39 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 ------------------------------------------------------------------------------- 500 265 13 128 18| 0.0 24.4 24.4| 72.7 0.0 72.7 145.4 0.68| 24.5 16.8 1000 268 20 147 13| 2.9 12.2 15.1| 84.1 0.0 84.1 84.1 0.66| 15.8 10.4 1500 272 23 156 10| 2.6 8.1 10.7| 86.7 0.0 86.7 57.8 0.62| 12.0 7.4 2000 272 25 167 9| 1.9 6.8 8.7| 87.9 0.0 87.9 43.9 0.57| 10.0 5.7 2500 271 27 178 10| 1.5 6.0 7.5| 87.9 -0.6 87.3 34.9 0.51| 8.9 4.5 3000 269 28 186 11| 1.3 5.5 6.8| 93.7 -1.5 92.2 30.7 0.49| 8.1 4.0 4000 265 31 198 13| 1.0 5.1 6.1|117.9 -1.5 116.4 29.1 0.50| 7.1 3.5 5000 263 35 207 16| 0.8 4.9 5.7|139.1 -1.5 137.6 27.5 0.48| 6.4 3.1 6000 260 38 213 20| 0.6 5.0 5.6|161.8 -1.5 160.3 26.7 0.44| 6.3 2.8 Wrote GIF file: /home/apache/climate/data/raob//U7713/skewt/U7713.skewt.20251221.00.gif