UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 25 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 66 310 1 SFC 996 98 2.2 2.2 100 0.0 2.2 310 1 275.7 276.4 275.6 287.9 4.50 2 979 238 5.2 4.1 93 1.1 4.6 323 3 280.0 280.9 278.8 294.4 5.24 3 950 484 5.4 0.6 71 4.8 3.2 345 7 282.7 283.4 278.8 294.4 4.20 4 930 657 4.0 -2.0 65 6.0 1.4 1 10 283.0 283.6 278.2 293.0 3.55 5 925 701 3.6 -2.4 65 6.0 1.1 5 11 283.0 283.6 278.0 292.8 3.46 6 850 1383 0.0 -3.2 79 3.2 -1.3 290 5 286.1 286.8 279.7 296.3 3.55 7 808 1787 -2.5 -4.3 87 1.8 -3.2 281 13 287.7 288.3 280.3 297.6 3.44 8 747 2409 -4.1 -6.6 83 2.5 -5.1 267 26 292.5 293.0 282.0 301.7 3.12 9 705 2865 -4.5 -16.5 39 12.0 -8.2 256 35 296.9 297.2 282.0 301.5 1.49 10 700 2921 -4.9 -17.9 35 13.0 -8.7 255 36 297.1 297.3 281.8 301.2 1.33 11 553 4732 -17.3 -19.6 82 2.3 -17.9 251 47 303.1 303.4 284.5 307.8 1.46 12 500 5480 -22.1 -29.1 53 7.0 -23.3 250 52 306.1 306.2 284.7 308.4 0.69 13 433 6514 -30.3 -44.3 24 14.0 -31.5 250 56 308.5 308.6 285.0 309.2 0.17 14 400 7070 -34.9 -47.9 25 13.0 -35.8 250 58 309.6 309.7 285.4 310.1 0.13 15 390 7246 -35.9 -48.9 25 13.0 -36.7 250 58 310.6 310.6 285.7 311.0 0.11 16 300 9010 -51.5 -62.5 26 11.0 -51.7 250 62 312.8 312.8 286.4 312.9 0.03 17 275 9570 -56.5 -66.5 27 10.0 -56.6 255 63 313.4 313.4 286.5 313.5 0.02 18 250 10170 -60.5 -69.5 30 9.0 -60.6 260 64 316.1 316.1 287.5 316.2 0.01 19 248 10220 -60.7 -70.1 28 9.4 -60.8 260 64 316.5 316.5 287.6 316.5 0.01 20 245 10295 -61.1 -71.1 25 10.0 -61.2 260 64 317.1 317.1 287.8 317.1 0.01 21 209 11297 -52.7 -62.7 29 10.0 -52.9 256 50 344.9 345.0 295.6 345.1 0.04 22 200 11580 -52.3 -62.3 29 10.0 -52.6 255 46 349.9 350.0 296.7 350.1 0.04 23 150 13440 -51.3 -63.3 23 12.0 -51.7 265 31 381.7 381.7 302.6 381.9 0.05 24 136 14075 -50.9 -64.9 17 14.0 -51.4 265 31 393.2 393.2 304.3 393.5 0.05 25 100 16050 -55.7 -72.7 10 17.0 -56.2 265 33 420.1 420.1 307.7 420.2 0.02 26 70 18330 -55.7 -75.7 7 20.0 -56.3 280 25 465.2 465.2 312.3 465.3 0.02 27 60 19313 -55.1 -77.1 5 22.0 -55.9 280 22 487.5 487.5 314.0 487.6 0.02 28 50 20470 -57.7 -80.7 4 23.0 -58.5 280 19 507.5 507.5 315.5 507.6 0.01 29 35 22734 -55.1 -79.1 4 24.0 -56.5 568.8 568.8 319.1 568.9 0.02 TRP 245 10295 -61.1 -71.1 25 10.0 -61.2 260 64 317.1 317.1 287.8 317.1 0.01 WND 248 10220 -60.7 -70.1 28 9.4 -60.8 260 64 316.5 316.5 287.6 316.5 0.01 Sounding variables and indices 1000-500 mb thick: 5414.00 m Freezing level: 850.00 mb = 1383.00 m = 4537.35 ft Wetbulb zero: 891.46 mb = 998.92 m = 3277.26 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 68.68 % Est. max temperature: 12.81 C = 55.06 F Sfc-Lift cond lev (LCL): 995.85 mb = 99.61 m = 326.80 ft T: 2.23 C 700-500 lapse rate: 6.72 C/km ThetaE index: 1.66 C Layer 950.0- 850.0 mb Conv cond level (CCL): 823.09 mb = 1639.59 m = 5379.16 ft Mean mixing ratio: 4.14 g/kg Conv temperature: 13.63 C = 56.54 F Cap Strength: 10.10 C Lifted Index: 11.57 C Risk: None Lifted Index @300 mb: 13.75 C Lifted Index @700 mb: 8.50 C Showalter Index: 9.46 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 18.90 C K Index: 5.90 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 2.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.77 J/kg Max Up Vert Vel: 6.90 m/s Conv Inhibition (B-): 36654.16 J/kg Cap Strength: 11.58 C Lift Cond Lev (LCL): 890.43 mb = 1008.20 m = 3307.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 at 24 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 ---------------------------------------------------------- 0 996 98 310 1 0.8 -0.6 | 104 23 -22.0 5.6 1 925 701 5 11 -1.0 -11.0 | 79 24 -23.7 -4.7 2 850 1383 290 5 4.7 -1.7 | 104 19 -18.0 4.5 3 700 2921 255 36 34.8 9.3 | 218 20 12.0 15.5 4 500 5480 250 52 48.9 17.8 | 227 35 26.1 24.0 5 400 7070 250 58 54.5 19.8 | 231 41 31.8 26.1 6 300 9010 250 62 58.3 21.2 | 232 45 35.5 27.4 7 250 10170 260 64 63.0 11.1 | 247 44 40.3 17.3 8 248 10220 260 64 63.0 11.1 | 247 44 40.3 17.3 9 245 10295 260 64 63.0 11.1 | 247 44 40.3 17.3 10 200 11580 255 46 44.4 11.9 | 230 28 21.7 18.1 11 150 13440 265 31 30.9 2.7 | 222 12 8.1 8.9 12 100 16050 265 33 32.9 2.9 | 228 14 10.1 9.1 13 70 18330 280 25 24.6 -4.3 | 225 3 1.9 1.9 14 50 20470 280 19 18.7 -3.3 | 126 5 -4.0 2.9 Wind Parameters Mean winds (0-6000m): 255.3 at 31.4 knts Storm direction: 285.3 at 23.6 knts Shear (0-3000m) pos: 1.5 neg: 6.8 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 114.9 deg Storm rel helicity (0-3000m) pos: 79.4 neg: -53.7 tot: 25.7 m^2/s^2 ave: 8.6 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.16 Bulk Shear: 145.79 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 1 5 93 23| 8.9 0.0 8.9| 0.0 -45.4 -45.4 -90.9 -0.87| 9.7 -8.4 1000 354 7 87 22| 4.4 2.7 7.1| 22.5 -53.7 -31.3 -31.3 -0.27| 10.0 -2.7 1500 342 7 89 21| 3.0 3.7 6.6| 43.3 -53.7 -10.5 -7.0 -0.03| 9.5 -0.3 2000 313 9 91 16| 2.2 5.2 7.4| 56.2 -53.7 2.4 1.2 0.13| 9.8 1.3 2500 286 12 104 12| 1.8 6.5 8.2| 71.8 -53.7 18.1 7.2 0.27| 10.2 2.7 3000 270 16 131 9| 1.5 6.8 8.3| 79.4 -53.7 25.7 8.6 0.26| 10.0 2.6 4000 262 22 172 9| 1.1 6.0 7.1| 92.5 -53.7 38.8 9.7 0.26| 8.3 2.2 5000 258 27 197 12| 0.9 5.4 6.3|102.8 -53.7 49.0 9.8 0.26| 7.3 1.9 6000 255 31 208 16| 0.7 4.9 5.7|114.2 -53.7 60.5 10.1 0.26| 6.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250425.00.gif