UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 5 DEC 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 17 200 3 SFC 995 56 -8.3 -10.1 87 1.8 -8.8 200 3 265.2 265.5 264.7 270.0 1.78 2 925 617 -12.7 -15.3 81 2.6 -13.3 230 19 266.3 266.5 264.5 269.8 1.26 3 924 625 -12.9 -15.6 80 2.7 -13.5 230 19 266.2 266.4 264.3 269.6 1.23 4 850 1260 -14.1 -16.1 85 2.0 -14.5 245 19 271.4 271.6 268.0 275.0 1.28 5 834 1404 -14.5 -16.6 84 2.1 -15.0 246 19 272.4 272.6 268.7 276.0 1.25 6 700 2707 -24.3 -27.1 78 2.8 -24.6 260 23 275.6 275.7 269.5 277.3 0.59 7 688 2833 -24.9 -27.8 77 2.9 -25.3 261 24 276.3 276.4 269.9 278.0 0.56 8 548 4443 -37.3 -40.5 72 3.2 -37.5 275 30 280.1 280.2 271.6 280.8 0.20 9 500 5070 -40.9 -44.2 70 3.3 -41.1 280 33 283.2 283.2 273.3 283.7 0.15 10 487 5249 -41.9 -45.1 71 3.2 -42.1 279 35 284.1 284.1 273.8 284.6 0.14 11 403 6511 -50.9 -54.3 67 3.4 -51.0 275 46 288.2 288.2 275.9 288.4 0.06 12 400 6560 -51.1 -54.5 67 3.4 -51.2 275 46 288.6 288.6 276.0 288.8 0.06 13 317 8044 -58.1 -61.9 62 3.8 -58.2 270 48 298.7 298.7 280.8 298.8 0.03 14 300 8390 -58.5 -62.4 61 3.9 -58.6 270 46 302.9 302.9 282.6 303.0 0.03 15 280 8825 -58.9 -62.9 60 4.0 -58.9 268 44 308.3 308.3 284.7 308.5 0.03 16 250 9540 -57.5 -61.6 59 4.1 -57.6 265 42 320.6 320.6 289.0 320.7 0.04 17 231 10039 -55.5 -59.6 60 4.1 -55.6 270 40 331.0 331.0 292.0 331.2 0.05 18 200 10950 -56.5 -61.2 55 4.7 -56.6 280 35 343.3 343.3 295.1 343.5 0.05 19 172 11911 -56.1 -61.1 53 5.0 -56.2 277 35 359.1 359.1 298.6 359.4 0.06 20 150 12780 -57.7 -63.7 46 6.0 -57.8 275 35 370.7 370.7 300.7 370.9 0.05 21 100 15300 -62.7 -69.7 38 7.0 -62.9 285 42 406.6 406.6 306.1 406.7 0.03 22 70 17480 -66.5 -73.5 37 7.0 -66.6 285 38 442.1 442.1 310.1 442.3 0.03 23 65 17927 -66.3 -74.3 32 8.0 -66.4 286 38 452.0 452.0 311.1 452.2 0.02 24 55 18925 -70.5 -78.5 30 8.0 -70.6 289 38 464.5 464.5 312.2 464.6 0.02 25 50 19490 -70.1 -78.1 30 8.0 -70.2 290 38 478.3 478.3 313.3 478.4 0.02 26 48 19733 -69.5 -77.5 30 8.0 -69.6 288 38 485.3 485.3 313.9 485.5 0.02 27 39 20962 -71.7 -79.7 29 8.0 -71.8 280 37 509.5 509.5 315.6 509.6 0.02 28 37 21271 -73.7 -81.7 28 8.0 -73.8 278 37 512.1 512.1 315.8 512.2 0.01 29 32 22122 -71.5 -79.5 29 8.0 -71.6 273 36 539.7 539.7 317.5 539.8 0.02 30 30 22500 -74.3 -82.3 28 8.0 -74.4 270 36 542.1 542.1 317.6 542.2 0.02 31 27 23112 -75.3 -83.3 28 8.0 -75.4 555.9 555.9 318.4 556.0 0.01 TRP 317 8044 -58.1 -61.9 62 3.8 -58.2 270 48 298.7 298.7 280.8 298.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5053.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 77.92 % Est. max temperature: -1.84 C = 28.69 F Sfc-Lift cond lev (LCL): 966.70 mb = 277.86 m = 911.61 ft T: -10.04 C 700-500 lapse rate: 7.02 C/km ThetaE index: 0.44 C Layer 925.0- 850.0 mb Conv cond level (CCL): 824.58 mb = 1488.70 m = 4884.14 ft Mean mixing ratio: 1.43 g/kg Conv temperature: -0.89 C = 30.39 F Cap Strength: 8.73 C Lifted Index: 10.88 C Risk: None Lifted Index @300 mb: 23.22 C Lifted Index @700 mb: 6.09 C Showalter Index: 6.98 C Risk: None Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 24.80 C K Index: 7.90 Risk: None Sweat Index: 219.70 Risk: None Energy Index: 1.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.99 J/kg Max Up Vert Vel: 4.24 m/s Conv Inhibition (B-): 43156.14 J/kg Cap Strength: 10.82 C Lift Cond Lev (LCL): 911.16 mb = 731.66 m = 2400.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 19 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 ---------------------------------------------------------- 0 995 56 200 3 1.0 2.8 | 124 20 -16.2 11.1 1 925 617 230 19 14.6 12.2 | 172 21 -2.7 20.5 2 850 1260 245 19 17.2 8.0 | 180 16 -0.0 16.3 3 700 2707 260 23 22.7 4.0 | 204 13 5.4 12.3 4 500 5070 280 33 32.5 -5.7 | 260 15 15.2 2.6 5 400 6560 275 46 45.8 -4.0 | 261 29 28.6 4.3 6 317 8044 270 48 48.0 -0.0 | 255 32 30.7 8.3 7 300 8390 270 46 46.0 -0.0 | 254 30 28.7 8.3 8 250 9540 265 42 41.8 3.7 | 244 27 24.6 12.0 9 200 10950 280 35 34.5 -6.1 | 263 17 17.2 2.2 10 150 12780 275 35 34.9 -3.1 | 253 18 17.6 5.3 11 100 15300 285 42 40.6 -10.9 | 276 23 23.3 -2.6 12 70 17480 285 38 36.7 -9.8 | 274 20 19.4 -1.5 13 50 19490 290 38 35.7 -13.0 | 284 19 18.4 -4.7 14 30 22500 270 36 36.0 -0.0 | 246 20 18.7 8.3 Wind Parameters Mean winds (0-6000m): 265.7 at 25.5 knts Storm direction: 295.7 at 19.2 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 87.4 deg Storm rel helicity (0-3000m) pos: 134.5 neg: 0.0 tot: 134.5 m^2/s^2 ave: 44.8 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 47.71 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 ------------------------------------------------------------------------------- 500 225 10 147 18| 15.1 0.0 15.1| 80.9 0.0 80.9 161.8 1.00| 15.6 15.5 1000 231 15 161 18| 8.7 0.0 8.7|100.5 0.0 100.5 100.5 0.92| 10.5 9.7 1500 237 16 167 18| 6.2 0.0 6.2|108.6 0.0 108.6 72.4 0.89| 8.0 7.1 2000 241 17 172 17| 5.0 0.0 5.0|117.0 0.0 117.0 58.5 0.89| 6.6 5.8 2500 245 18 177 16| 4.4 0.0 4.4|125.3 0.0 125.3 50.1 0.89| 5.8 5.1 3000 248 19 181 15| 4.0 0.0 4.0|134.5 0.0 134.5 44.8 0.90| 5.3 4.7 4000 255 21 192 14| 3.6 0.0 3.6|154.9 0.0 154.9 38.7 0.91| 4.7 4.3 5000 261 23 205 13| 3.3 0.0 3.3|177.8 0.0 177.8 35.6 0.92| 4.4 4.0 6000 266 26 219 13| 2.8 0.8 3.6|180.3 -0.0 180.2 30.0 0.77| 4.4 3.4 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251205.00.gif