UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for FK870... Searching the city database file for: FK870 ... Date:1200Z 8 OCT 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 87 1 920 -10519 SFC 893 -5875 26.2 20.2 70 6.0 21.8 200 4 309.2 312.4 298.8 360.6 16.92 3 850 1535 20.2 16.7 80 3.5 17.8 50 2 307.3 310.0 296.7 350.2 14.21 4 783 2238 14.8 12.4 86 2.4 13.2 95 12 308.8 311.0 295.3 344.2 11.64 5 700 3180 9.4 3.4 66 6.0 5.9 65 21 312.9 314.2 293.0 334.7 7.00 6 500 5890 -5.5 -9.3 75 3.8 -7.2 125 14 326.3 327.1 294.1 339.0 3.78 7 400 7610 -15.7 -23.7 50 8.0 -18.0 75 16 334.6 334.9 294.3 339.7 1.41 8 300 9710 -31.3 -36.3 61 5.0 -32.0 115 14 341.3 341.4 295.1 343.5 0.57 9 250 10970 -42.3 -45.5 71 3.2 -42.5 110 11 343.2 343.2 295.3 344.2 0.26 10 200 12440 -54.3 -56.9 73 2.6 -54.4 120 9 346.8 346.8 296.0 347.1 0.09 11 150 14240 -65.9 -69.1 64 3.2 -66.0 75 13 356.6 356.6 298.0 356.7 0.02 12 100 16600 -78.9 -81.6 64 2.7 -78.9 80 26 375.3 375.3 301.5 375.3 0.01 13 70 18670 -73.1 255 10 428.0 14 61 19472 -73.7 206 13 443.8 15 51 20531 -67.3 142 18 482.2 16 50 20650 -68.3 135 18 482.5 17 43 21549 -71.5 95 20 495.9 18 31 23536 -60.7 95 55 573.8 19 30 23740 -60.7 95 58 579.2 20 28 24171 -59.3 95 60 594.6 21 26 24637 -57.7 95 62 611.9 22 25 24884 -57.9 618.2 23 23 25413 -55.1 641.4 TRP 783 2238 14.8 12.4 86 2.4 13.2 95 12 308.8 311.0 295.3 344.2 11.64 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 573.83 mb = 4889.66 m = 16042.01 ft Wetbulb zero: 609.52 mb = 4294.76 m = 14090.25 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 73.56 % Est. max temperature: 27.69 C = 81.83 F Sfc-Lift cond lev (LCL): 818.34 mb = 1860.16 m = 6102.81 ft T: 17.70 C 700-500 lapse rate: 5.50 C/km ThetaE index: 25.93 C Layer 850.0- 500.0 mb Conv cond level (CCL): 791.51 mb = 2145.80 m = 7039.93 ft Mean mixing ratio: 14.13 g/kg Conv temperature: 25.64 C = 78.16 F Cap Strength: 0.38 C Lifted Index: -2.82 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.37 C Lifted Index @700 mb: -1.40 C Showalter Index: -2.59 C Risk: Severe thunderstorms possible Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 22.20 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 218.40 Risk: None Energy Index: -2.26 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1124.43 J/kg Max Up Vert Vel: 47.42 m/s Conv Inhibition (B-): 44.09 J/kg Cap Strength: 1.09 C Lift Cond Lev (LCL): 797.82 mb = 2077.77 m = 6816.74 ft Lev Free Conv (LFC): 782.82 mb = 2240.32 m = 7350.06 ft Equ Level (EL): 172.82 mb = 13354.05 m = 43811.97 ft B at Equ Level: 1112.11 J/kg Max Parcel Lev (MPL): 102.82 mb = 16438.33 m = 53930.88 ft Wind level data Storm motion: 222 at 2 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 ---------------------------------------------------------- 0 893 -5875 200 4 1.4 3.8 | 173 2 -0.2 2.0 1 850 1535 50 2 -1.5 -1.3 | 46 4 -3.1 -3.1 2 783 2238 95 12 -12.0 1.0 | 87 14 -13.6 -0.7 3 700 3180 65 21 -19.0 -8.9 | 63 23 -20.6 -10.7 4 500 5890 125 14 -11.5 8.0 | 116 14 -13.1 6.2 5 400 7610 75 16 -15.5 -4.1 | 71 18 -17.1 -5.9 6 300 9710 115 14 -12.7 5.9 | 106 15 -14.3 4.1 7 250 10970 110 11 -10.3 3.8 | 99 12 -11.9 2.0 8 200 12440 120 9 -7.8 4.5 | 106 10 -9.4 2.7 9 150 14240 75 13 -12.6 -3.4 | 70 15 -14.2 -5.2 10 100 16600 80 26 -25.6 -4.5 | 77 28 -27.2 -6.3 11 75 18288 265 4 4.0 0.3 | 301 3 2.4 -1.4 12 70 18670 255 10 9.7 2.6 | 264 8 8.1 0.8 13 50 20650 135 18 -12.7 12.7 | 127 18 -14.3 10.9 14 45 21336 95 16 -15.9 1.4 | 89 18 -17.5 -0.4 15 30 23740 95 58 -57.8 5.1 | 93 59 -59.4 3.3 16 26 24384 95 62 -61.8 5.4 | 93 63 -63.4 3.6 Wind Parameters Mean winds (0-6000m): 191.8 at 3.2 knts Storm direction: 221.8 at 2.4 knts Shear (0-3000m) pos: 0.0 neg: 0.6 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): -73.7 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -2.6 tot: -2.6 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: -0.89 Storm rel vorticity (0-3000m) horiz: 0.7 stream: -0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 519.09 Bulk Shear: 2.17 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 ------------------------------------------------------------------------------- 500 260 4 295 3| 0.0 0.7 0.7| 0.0 -0.4 -0.4 -0.7 -0.94| 0.7 -0.7 1000 253 4 288 2| 0.0 0.7 0.7| 0.0 -0.8 -0.8 -0.8 -0.92| 0.7 -0.7 1500 247 4 279 2| 0.0 0.7 0.7| 0.0 -1.2 -1.2 -0.8 -0.91| 0.7 -0.6 2000 241 4 269 2| 0.0 0.7 0.7| 0.0 -1.6 -1.6 -0.8 -0.90| 0.7 -0.6 2500 234 4 256 1| 0.0 0.7 0.7| 0.0 -2.1 -2.1 -0.8 -0.89| 0.7 -0.6 3000 228 4 241 1| 0.0 0.6 0.6| 0.0 -2.6 -2.6 -0.9 -0.89| 0.7 -0.6 4000 216 3 203 1| 0.0 0.6 0.6| 0.0 -3.6 -3.6 -0.9 -0.90| 0.6 -0.6 5000 204 3 168 1| 0.0 0.5 0.5| 0.0 -4.8 -4.8 -1.0 -0.91| 0.6 -0.6 6000 192 3 145 2| 0.0 0.5 0.5| 0.0 -5.9 -5.9 -1.0 -0.92| 0.6 -0.5 Wrote GIF file: /home/apache/climate/data/raob//FK870/skewt/FK870.skewt.20251008.12.gif