UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 15 OCT 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1006 44 -4.1 -4.5 97 0.4 -4.3 340 27 268.6 269.0 268.6 275.9 2.72 1 1000 91 -4.9 -7.0 85 2.1 -5.5 330 29 268.2 268.6 267.6 274.4 2.26 2 925 700 -7.7 -9.6 86 1.9 -8.2 330 25 271.4 271.8 269.2 276.9 1.99 3 862 1245 -11.3 -13.2 86 1.9 -11.8 326 22 273.2 273.5 269.7 277.7 1.60 4 850 1353 -11.7 -13.6 86 1.9 -12.2 325 21 273.9 274.2 270.1 278.3 1.57 5 742 2385 -16.1 -20.2 71 4.1 -16.9 322 24 280.0 280.1 272.9 283.0 1.03 6 735 2456 -18.9 -23.3 68 4.4 -19.7 321 24 277.7 277.8 271.1 280.0 0.80 7 700 2818 -20.3 -24.4 70 4.1 -21.0 320 25 280.0 280.1 272.5 282.3 0.76 8 676 3075 -20.7 -24.5 72 3.8 -21.3 322 26 282.4 282.5 273.9 284.7 0.78 9 671 3130 -23.3 -27.1 71 3.8 -23.8 323 26 280.1 280.2 272.3 281.9 0.62 10 647 3395 -24.5 -28.1 72 3.6 -25.0 325 27 281.6 281.7 273.1 283.4 0.58 11 645 3417 -25.7 -29.0 74 3.3 -26.1 325 27 280.5 280.6 272.4 282.2 0.54 12 642 3451 -24.5 -27.8 74 3.3 -24.9 325 27 282.2 282.4 273.5 284.1 0.61 13 614 3775 -24.3 -27.5 75 3.2 -24.8 328 28 286.1 286.2 275.7 288.1 0.65 14 553 4527 -29.7 -34.5 63 4.8 -30.2 334 31 288.4 288.5 276.5 289.6 0.37 15 500 5240 -32.1 -37.1 61 5.0 -32.6 340 33 293.9 294.0 279.1 295.0 0.32 16 496 5297 -32.1 -37.1 61 5.0 -32.6 294.6 294.6 279.4 295.6 0.32 17 494 5325 -34.3 -39.3 60 5.0 -34.7 292.2 292.3 278.2 293.1 0.26 18 426 6361 -34.5 -39.5 60 5.0 -34.9 304.6 304.7 283.7 305.6 0.29 TRP WND Sounding variables and indices 1000-500 mb thick: 5149.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 74.50 % Est. max temperature: 0.87 C = 33.56 F Sfc-Lift cond lev (LCL): 999.53 mb = 94.70 m = 310.70 ft T: -4.92 C 700-500 lapse rate: 4.87 C/km ThetaE index: 3.00 C Layer 735.0- 700.0 mb Conv cond level (CCL): 896.33 mb = 943.45 m = 3095.28 ft Mean mixing ratio: 2.11 g/kg Conv temperature: -0.45 C = 31.19 F Cap Strength: 11.06 C Lifted Index: 15.05 C Risk: None Lifted Index @700 mb: 5.52 C Showalter Index: 13.11 C Risk: None Total Totals Index: 38.90 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 18.50 C K Index: 2.70 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 3.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.98 J/kg Max Up Vert Vel: 4.47 m/s Conv Inhibition (B-): 1907.22 J/kg Cap Strength: 14.62 C Lift Cond Lev (LCL): 925.83 mb = 693.00 m = 2273.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 at 20 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 1006 44 340 27 9.2 -25.4 | 303 10 8.8 -5.6 1 1000 91 330 29 14.5 -25.1 | 291 15 14.0 -5.3 2 925 700 330 25 12.5 -21.7 | 279 12 12.0 -1.9 3 850 1353 325 21 12.0 -17.2 | 257 12 11.6 2.6 4 700 2818 320 25 16.1 -19.2 | 268 16 15.6 0.6 5 500 5240 340 33 11.3 -31.0 | 316 16 10.8 -11.2 Wind Parameters Mean winds (0-6000m): 328.7 at 26.4 knts Storm direction: 358.7 at 19.8 knts Shear (0-3000m) pos: 0.3 neg: 1.5 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -30.8 deg Storm rel helicity (0-3000m) pos: 12.9 neg: -31.9 tot: -19.0 m^2/s^2 ave: -6.3 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 3.2 stream: -1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 35.59 Bulk Shear: 0.28 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 ------------------------------------------------------------------------------- 500 330 28 288 14| 0.0 4.9 4.9| 0.0 -15.4 -15.4 -30.9 -0.59| 8.0 -4.7 1000 330 26 282 13| 0.0 3.5 3.5| 0.0 -25.5 -25.5 -25.5 -0.69| 5.7 -4.0 1500 329 25 276 12| 0.0 2.9 2.9| 1.0 -31.9 -30.9 -20.6 -0.69| 4.7 -3.2 2000 327 24 272 12| 0.0 2.2 2.2| 4.1 -31.9 -27.8 -13.9 -0.56| 3.9 -2.2 2500 326 24 270 13| 0.0 1.8 1.8| 6.9 -31.9 -25.0 -10.0 -0.46| 3.5 -1.6 3000 325 24 270 13| 0.3 1.5 1.8| 12.9 -31.9 -19.0 -6.3 -0.34| 3.2 -1.1 4000 326 25 273 14| 0.8 1.1 2.0| 33.5 -31.9 1.6 0.4 -0.05| 3.1 -0.2 5000 328 26 280 14| 1.2 0.9 2.1| 55.5 -31.9 23.6 4.7 0.15| 3.0 0.4 6000 NO DATA | 1.2 0.9 2.1| | Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251015.00.gif