UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 27 NOV 25 Station: FK870 WMO ident: 64870 ------------------------------------------------------------------------------- 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 49 1 920 -10553 SFC 891 -5558 30.8 14.8 38 16.0 19.7 70 8 314.2 316.4 296.9 351.2 11.96 3 850 1515 24.0 13.0 50 11.0 16.6 80 20 311.3 313.4 295.6 345.5 11.14 4 801 2030 19.4 9.4 52 10.0 13.0 75 17 311.7 313.5 294.4 340.3 9.28 5 700 3169 9.2 2.2 62 7.0 5.3 80 27 312.7 313.9 292.4 332.7 6.42 6 500 5890 -4.7 -25.7 18 21.0 -10.9 85 18 327.3 327.5 291.9 330.7 0.94 7 400 7610 -15.7 -37.7 13 22.0 -19.9 105 17 334.6 334.7 293.3 336.0 0.37 8 300 9710 -31.5 -49.5 15 18.0 -33.1 235 22 341.0 341.0 294.7 341.6 0.14 9 250 10980 -40.3 -55.3 19 15.0 -41.2 200 30 346.2 346.2 295.8 346.5 0.08 10 200 12460 -53.1 -66.1 19 13.0 -53.4 205 32 348.7 348.7 296.4 348.8 0.03 11 150 14240 -68.9 -78.9 22 10.0 -68.9 245 47 351.4 351.4 297.0 351.4 0.01 12 100 16600 -83.7 -89.7 34 6.0 -83.7 330 21 366.0 366.0 299.8 366.0 0.00 13 90 17177 -87.3 8 20 370.0 14 88 17299 -88.1 16 20 370.8 15 87 17360 -88.1 20 20 372.0 16 77 18035 -79.5 65 19 403.2 17 70 18580 -75.5 190 8 422.9 18 69 18663 -75.3 185 9 425.0 19 68 18747 -75.5 180 9 426.4 20 57 19781 -69.5 117 18 462.1 21 55 19993 -68.7 104 20 468.6 22 50 20560 -70.5 70 25 477.4 23 44 21321 -69.7 80 33 497.1 24 41 21743 -67.9 86 36 511.7 25 39 22045 -67.5 89 38 520.1 26 37 22363 -66.1 94 41 531.6 27 34 22879 -63.9 100 44 550.4 28 33 23062 -63.5 103 46 556.2 29 30 23650 -61.5 110 50 577.0 30 28 24082 -58.9 104 50 595.7 31 26 24550 -57.9 100 51 611.3 32 25 24798 -58.1 99 52 617.6 33 22 25609 -56.3 97 55 646.0 34 22 25609 -55.9 97 55 647.2 35 21 25907 -54.9 96 56 658.9 36 20 26220 -54.1 95 57 670.6 37 19 26549 -54.5 93 57 679.2 38 15 28096 -44.9 86 59 758.7 39 14 28561 -40.7 788.0 40 13 29064 -42.7 798.0 TRP 801 2030 19.4 9.4 52 10.0 13.0 75 17 311.7 313.5 294.4 340.3 9.28 WND Sounding variables and indices 1000-500 mb thick: 5841.00 m Freezing level: 567.63 mb = 4969.95 m = 16305.41 ft Wetbulb zero: 634.66 mb = 3961.48 m = 12996.83 ft Precipitable water: 1.03 inches Sfc-500 mean rel hum: 45.17 % Est. max temperature: 29.03 C = 84.25 F Sfc-Lift cond lev (LCL): 706.25 mb = 3093.84 m = 10150.26 ft T: 9.87 C 700-500 lapse rate: 5.11 C/km ThetaE index: 20.56 C Layer 850.0- 400.0 mb Conv cond level (CCL): 702.07 mb = 3144.03 m = 10314.92 ft Mean mixing ratio: 10.63 g/kg Conv temperature: 29.35 C = 84.83 F Cap Strength: 0.54 C Lifted Index: 0.20 C Risk: Showers probable Lifted Index @300 mb: -0.17 C Lifted Index @700 mb: 0.10 C Showalter Index: -0.09 C Risk: Thunderstorms probable Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 17.70 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 214.00 Risk: None Energy Index: -2.80 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.72 J/kg Max Up Vert Vel: 9.97 m/s Conv Inhibition (B-): 165.11 J/kg Cap Strength: 2.07 C Lift Cond Lev (LCL): 708.41 mb = 3068.01 m = 10065.52 ft Lev Free Conv (LFC): 663.41 mb = 3603.10 m = 11821.06 ft Equ Level (EL): 533.41 mb = 5366.85 m = 17607.57 ft B at Equ Level: 12.91 J/kg Max Parcel Lev (MPL): 253.41 mb = 10885.50 m = 35713.16 ft Wind level data Storm motion: 107 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 ---------------------------------------------------------- 0 891 -5558 70 8 -7.5 -2.7 | 341 6 1.9 -5.5 1 850 1515 80 20 -19.7 -3.5 | 59 12 -10.3 -6.3 2 801 2030 75 17 -16.4 -4.4 | 44 10 -7.0 -7.2 3 700 3169 80 27 -26.6 -4.7 | 66 19 -17.2 -7.5 4 500 5890 85 18 -17.9 -1.6 | 63 10 -8.5 -4.4 5 400 7610 105 17 -16.4 4.4 | 103 7 -7.0 1.6 6 300 9710 235 22 18.0 12.6 | 250 29 27.4 9.8 7 250 10980 200 30 10.3 28.2 | 218 32 19.7 25.4 8 200 12460 205 32 13.5 29.0 | 221 35 22.9 26.2 9 150 14240 245 47 42.6 19.9 | 252 55 52.0 17.1 10 100 16600 330 21 10.5 -18.2 | 317 29 19.9 -21.0 11 74 18288 80 19 -18.7 -3.3 | 57 11 -9.3 -6.1 12 70 18580 190 8 1.4 7.9 | 245 12 10.8 5.1 13 50 20560 70 25 -23.5 -8.6 | 51 18 -14.1 -11.3 14 44 21336 80 33 -32.5 -5.7 | 70 25 -23.1 -8.5 15 30 23650 110 50 -47.0 17.1 | 111 40 -37.6 14.3 16 27 24384 100 50 -49.2 8.7 | 98 40 -39.8 5.9 17 20 26220 95 57 -56.8 5.0 | 93 47 -47.4 2.2 18 14 27432 85 59 -58.8 -5.1 | 81 50 -49.4 -7.9 Wind Parameters Mean winds (0-6000m): 76.6 at 13.1 knts Storm direction: 106.6 at 9.8 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 45.5 deg Storm rel helicity (0-3000m) pos: 8.0 neg: 0.0 tot: 8.0 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 0.9 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 16.47 Bulk Shear: 3.02 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 77 8 344 5| 0.9 0.0 0.9| 1.3 0.0 1.3 2.6 1.00| 0.9 0.9 1000 77 9 349 5| 0.9 0.0 0.9| 2.6 0.0 2.6 2.6 1.00| 0.9 0.9 1500 76 9 354 5| 0.9 0.0 0.9| 4.0 0.0 4.0 2.6 0.99| 0.9 0.9 2000 76 10 359 5| 0.9 0.0 0.9| 5.3 0.0 5.3 2.6 0.98| 0.9 0.9 2500 76 10 4 5| 0.9 0.0 0.9| 6.6 0.0 6.6 2.7 0.97| 0.9 0.9 3000 76 10 8 5| 0.9 0.0 0.9| 8.0 0.0 8.0 2.7 0.95| 0.9 0.8 4000 76 11 16 6| 0.9 0.0 0.9| 10.8 0.0 10.8 2.7 0.92| 0.9 0.8 5000 76 12 23 6| 0.9 0.0 0.9| 13.8 0.0 13.8 2.8 0.88| 0.9 0.8 6000 77 13 30 7| 0.9 0.0 0.9| 16.9 0.0 16.9 2.8 0.84| 0.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251127.12.gif