UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U3802... Searching the city database file for: U3802 ... Date:1200Z 8 DEC 25 Station: U3802 WMO ident: 23802 Latitude: 61.68 Longitude: 50.78 ------------------------------------------------------------------------------- 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 1026 -196 -23.3 -26.4 76 3.1 -23.6 0 0 248.0 248.1 247.9 249.2 0.43 1 1000 0 -0.3 -1.1 94 0.8 -0.6 37 3 272.9 273.4 272.5 282.4 3.52 2 869 1337 -11.7 -32.7 16 21.0 -14.6 139 12 272.2 272.2 266.7 273.0 0.28 3 858 1455 -11.1 -31.1 17 20.0 -14.1 137 11 273.8 273.8 267.9 274.8 0.33 4 850 1541 -11.1 -31.1 17 20.0 -14.2 135 11 274.5 274.6 268.4 275.5 0.34 5 791 2091 -11.9 -36.9 11 25.0 -15.2 137 11 279.4 279.4 271.1 280.0 0.20 6 700 3015 -16.7 -37.7 14 21.0 -19.3 140 11 284.0 284.0 273.8 284.7 0.21 7 669 3353 -18.9 -38.9 15 20.0 -21.1 120 12 285.2 285.3 274.5 285.9 0.20 8 581 4388 -25.1 -47.1 11 22.0 -26.8 60 15 289.7 289.7 276.7 290.0 0.09 9 537 4954 -29.5 -49.5 13 20.0 -30.7 26 17 291.1 291.1 277.3 291.3 0.08 10 500 5460 -31.7 -52.7 11 21.0 -32.8 355 19 294.4 294.4 278.9 294.6 0.06 11 441 6336 -40.3 -58.3 13 18.0 -40.9 355 28 294.3 294.3 278.8 294.4 0.03 12 400 7000 -43.7 -57.7 20 14.0 -44.1 355 35 298.2 298.2 280.6 298.3 0.04 13 384 7273 -45.1 -59.1 19 14.0 -45.4 354 36 299.9 299.9 281.3 300.0 0.03 14 320 8461 -54.9 -66.9 21 12.0 -55.1 351 40 302.3 302.3 282.3 302.4 0.01 15 300 8870 -57.9 -68.9 23 11.0 -58.0 350 42 303.7 303.7 282.9 303.8 0.01 16 265 9644 -62.3 -73.3 22 11.0 -62.4 308.3 308.3 284.7 308.3 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5460.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 23.81 % Est. max temperature: 1.07 C = 33.93 F Sfc-Lift cond lev (LCL): 974.41 mb = 246.79 m = 809.67 ft T: -2.40 C 700-500 lapse rate: 6.13 C/km ThetaE index: 9.36 C Layer 869.0- 858.0 mb Conv cond level (CCL): 900.34 mb = 999.53 m = 3279.26 ft Mean mixing ratio: 2.18 g/kg Conv temperature: 1.24 C = 34.23 F Cap Strength: 13.43 C Lifted Index: 15.74 C Risk: None Lifted Index @300 mb: 19.95 C Lifted Index @700 mb: 9.35 C Showalter Index: 15.74 C Risk: None Total Totals Index: 21.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 0.60 C K Index: -31.50 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 4.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.29 J/kg Max Up Vert Vel: 11.69 m/s Conv Inhibition (B-): 4920.11 J/kg Cap Strength: 15.15 C Lift Cond Lev (LCL): 939.48 mb = 594.41 m = 1950.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 124 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 1026 -196 0 0 -0.0 -0.0 | 304 10 7.9 -5.4 1 925 896 150 13 -6.5 11.3 | 194 6 1.4 5.8 2 850 1541 135 11 -7.8 7.8 | 184 2 0.2 2.3 3 700 3015 140 11 -7.1 8.4 | 196 3 0.9 3.0 4 500 5460 355 19 1.7 -18.9 | 339 26 9.6 -24.4 5 400 7000 355 35 3.1 -34.9 | 345 42 11.0 -40.3 6 300 8870 350 42 7.3 -41.4 | 342 49 15.2 -46.8 Wind Parameters Mean winds (0-6000m): 94.4 at 12.8 knts Storm direction: 124.4 at 9.6 knts Shear (0-3000m) pos: 2.0 neg: 0.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): -109.5 deg Storm rel helicity (0-3000m) pos: 24.4 neg: -0.8 tot: 23.6 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.05 Bulk Shear: 22.40 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 ------------------------------------------------------------------------------- 500 182 3 288 8| 6.1 0.0 6.1| 16.1 0.0 16.1 32.2 0.89| 7.3 6.5 1000 151 6 273 5| 6.1 0.0 6.1| 22.6 0.0 22.6 22.6 0.75| 10.4 7.8 1500 148 8 243 4| 4.0 0.0 4.0| 24.0 -0.7 23.4 15.6 0.63| 8.7 5.5 2000 144 9 231 3| 3.0 0.3 3.3| 24.1 -0.8 23.3 11.6 0.59| 6.9 4.1 2500 142 10 223 3| 2.4 0.2 2.7| 24.2 -0.8 23.4 9.4 0.59| 5.6 3.3 3000 141 10 217 3| 2.0 0.2 2.2| 24.4 -0.8 23.6 7.9 0.59| 4.7 2.8 4000 135 10 196 2| 1.5 1.4 2.9| 24.4 -8.0 16.4 4.1 0.22| 4.9 1.1 5000 118 11 89 2| 1.2 2.4 3.6| 24.4 -46.5 -22.1 -4.4 -0.04| 5.6 -0.2 6000 94 13 48 7| 1.0 2.8 3.9| 30.6-109.1 -78.5 -13.1 -0.16| 6.0 -1.0 Wrote GIF file: /home/apache/climate/data/raob//U3802/skewt/U3802.skewt.20251208.12.gif