UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 12 DEC 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1012 38 -31.7 -35.3 70 3.6 -31.9 85 5 240.6 240.7 240.5 241.1 0.19 1 1008 66 -30.5 -34.5 68 4.0 -30.7 83 6 242.1 242.1 241.9 242.6 0.20 2 1000 124 -23.5 -27.9 67 4.4 -23.9 80 7 249.6 249.7 249.2 250.7 0.38 3 998 139 -20.7 -25.0 68 4.3 -21.2 82 7 252.6 252.7 252.1 254.0 0.50 4 986 229 -19.5 -23.5 71 4.0 -20.0 92 8 254.7 254.8 254.0 256.3 0.58 5 952 489 -21.1 -25.4 68 4.3 -21.6 121 10 255.6 255.7 254.7 257.0 0.51 6 925 702 -20.3 -24.8 67 4.5 -20.9 145 11 258.6 258.6 257.2 260.1 0.55 7 920 742 -19.7 -24.4 66 4.7 -20.3 144 10 259.6 259.7 258.1 261.2 0.58 8 850 1329 -20.3 -30.3 40 10.0 -21.4 135 3 264.9 264.9 261.7 265.9 0.36 9 798 1795 -21.3 -34.3 30 13.0 -22.6 190 6 268.6 268.7 264.2 269.4 0.26 10 717 2578 -24.9 -39.9 23 15.0 -26.1 284 12 273.0 273.1 267.1 273.6 0.17 11 710 2649 -25.5 -40.5 23 15.0 -26.7 293 12 273.1 273.2 267.1 273.6 0.16 12 700 2752 -26.3 -41.3 23 15.0 -27.4 305 13 273.4 273.4 267.3 273.8 0.15 13 665 3121 -28.9 -40.9 31 12.0 -29.7 307 18 274.5 274.5 268.0 275.0 0.16 14 628 3529 -29.7 -43.7 24 14.0 -30.6 308 24 278.1 278.1 270.2 278.5 0.13 15 553 4424 -36.1 -48.1 28 12.0 -36.7 312 36 280.8 280.8 271.8 281.1 0.09 16 537 4628 -36.1 -48.1 28 12.0 -36.7 313 39 283.2 283.2 273.2 283.5 0.09 17 500 5120 -38.9 -48.9 34 10.0 -39.3 315 46 285.6 285.6 274.5 285.9 0.09 18 451 5822 -43.5 -51.5 41 8.0 -43.7 313 52 288.4 288.4 276.0 288.6 0.07 19 408 6490 -48.9 -55.9 44 7.0 -49.1 310 57 289.8 289.8 276.6 290.0 0.05 20 400 6620 -49.9 -57.9 38 8.0 -50.1 310 58 290.1 290.1 276.8 290.3 0.04 21 333 7792 -58.6 -65.8 39 7.2 -58.7 305 64 293.8 293.8 278.6 293.9 0.02 22 316 8118 -61.1 -68.1 39 7.0 -61.2 305 62 294.8 294.8 279.0 294.8 0.01 23 300 8440 -61.1 -68.1 39 7.0 -61.2 305 58 299.2 299.2 281.0 299.3 0.01 24 250 9570 -61.5 -68.5 39 7.0 -61.6 305 46 314.6 314.6 287.0 314.7 0.02 25 200 10960 -61.1 -68.1 39 7.0 -61.2 305 42 336.0 336.0 293.3 336.1 0.02 26 177 11717 -60.7 -67.7 39 7.0 -60.8 307 40 348.6 348.6 296.4 348.7 0.02 27 150 12740 -62.5 -69.5 38 7.0 -62.6 310 38 362.4 362.4 299.2 362.5 0.02 28 100 15210 -66.9 -74.9 31 8.0 -67.0 310 31 398.5 398.5 305.0 398.5 0.01 29 70 17350 -69.9 -77.9 30 8.0 -70.0 305 19 434.8 434.8 309.4 434.9 0.01 30 67 17607 -69.7 -77.7 30 8.0 -69.8 304 19 440.8 440.8 310.0 440.8 0.01 31 50 19310 -73.7 -82.7 24 9.0 -73.7 295 17 469.8 469.8 312.6 469.9 0.01 32 45 19925 -74.1 -83.1 24 9.0 -74.2 483.2 483.2 313.7 483.3 0.01 TRP 316 8118 -61.1 -68.1 39 7.0 -61.2 305 62 294.8 294.8 279.0 294.8 0.01 WND 333 7792 -58.6 -65.8 39 7.2 -58.7 305 64 293.8 293.8 278.6 293.9 0.02 Sounding variables and indices 1000-500 mb thick: 4996.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 36.47 % Est. max temperature: -8.32 C = 17.03 F Sfc-Lift cond lev (LCL): 951.79 mb = 490.53 m = 1609.34 ft T: -21.09 C 700-500 lapse rate: 5.32 C/km ThetaE index: 0.00 C Layer 1012.0- 0.0 mb Conv cond level (CCL): 1008.00 mb = 66.37 m = 217.76 ft Mean mixing ratio: 0.51 g/kg Conv temperature: -24.48 C = -12.07 F Cap Strength: 22.65 C Lifted Index: 24.19 C Risk: None Lifted Index @300 mb: 30.49 C Lifted Index @700 mb: 15.87 C Showalter Index: 16.25 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 8.60 C K Index: -26.70 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 4.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.01 J/kg Max Up Vert Vel: 9.17 m/s Conv Inhibition (B-): 38373.09 J/kg Cap Strength: 23.80 C Lift Cond Lev (LCL): 898.64 mb = 916.38 m = 3006.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 17 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 1012 38 85 5 -5.0 -0.4 | 148 19 -10.2 16.1 1 1000 124 80 7 -6.9 -1.2 | 142 20 -12.1 15.3 2 925 702 145 11 -6.3 9.0 | 156 28 -11.5 25.6 3 850 1329 135 3 -2.1 2.1 | 159 20 -7.3 18.7 4 700 2752 305 13 10.6 -7.5 | 211 11 5.5 9.1 5 500 5120 315 46 32.5 -32.5 | 300 32 27.4 -16.0 6 400 6620 310 58 44.4 -37.3 | 298 44 39.3 -20.7 7 333 7792 305 64 52.4 -36.7 | 293 51 47.3 -20.1 8 316 8118 305 62 50.8 -35.6 | 293 49 45.6 -19.0 9 300 8440 305 58 47.5 -33.3 | 292 46 42.3 -16.7 10 250 9570 305 46 37.7 -26.4 | 287 34 32.5 -9.8 11 200 10960 305 42 34.4 -24.1 | 284 30 29.2 -7.5 12 150 12740 310 38 29.1 -24.4 | 288 25 23.9 -7.9 13 100 15210 310 31 23.7 -19.9 | 280 19 18.6 -3.4 14 70 17350 305 19 15.6 -10.9 | 241 12 10.4 5.7 15 50 19310 295 17 15.4 -7.2 | 228 14 10.2 9.4 Wind Parameters Mean winds (0-6000m): 312.7 at 23.1 knts Storm direction: 342.7 at 17.3 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 84.8 deg Storm rel helicity (0-3000m) pos: 157.7 neg: -10.3 tot: 147.4 m^2/s^2 ave: 49.1 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 4.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.34 Bulk Shear: 122.21 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 ------------------------------------------------------------------------------- 500 104 8 145 23| 7.2 0.0 7.2| 20.5 -10.3 10.1 20.3 0.13| 9.6 1.3 1000 126 9 151 25| 2.9 0.0 2.9| 42.2 -10.3 31.9 31.9 0.26| 8.5 2.2 1500 131 7 153 24| 2.0 0.0 2.0| 54.4 -10.3 44.1 29.4 0.29| 7.7 2.2 2000 145 7 158 24| 3.1 0.0 3.1| 97.0 -10.3 86.6 43.3 0.46| 7.6 3.5 2500 166 8 164 25| 3.4 0.0 3.4|139.5 -10.3 129.2 51.7 0.53| 8.3 4.4 3000 281 9 192 15| 3.6 0.0 3.6|157.7 -10.3 147.4 49.1 0.55| 8.6 4.7 4000 307 12 207 10| 4.5 0.0 4.5|198.6 -10.3 188.3 47.1 0.61| 8.2 5.0 5000 312 18 239 9| 5.0 0.0 5.0|247.9 -10.3 237.5 47.5 0.59| 8.0 4.8 6000 313 23 266 12| 4.1 0.8 4.9|252.4 -18.1 234.3 39.1 0.53| 7.5 4.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251212.00.gif