UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122800.upa.cvt Date: 0000Z 28 DEC 25 Searching for U7713... Searching the city database file for: U7713 ... Date:0000Z 28 DEC 25 Station: U7713 WMO ident: 27713 ------------------------------------------------------------------------------- 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 -85 SFC 966 190 -2.1 -4.2 86 2.1 -2.9 160 3 273.7 274.2 272.1 281.7 2.89 2 925 532 -5.5 -8.4 80 2.9 -6.4 155 11 273.7 274.0 271.0 279.8 2.19 3 850 1189 -9.9 -12.2 83 2.3 -10.5 185 13 275.8 276.1 271.6 280.8 1.76 4 838 1299 -10.7 -13.1 82 2.4 -11.3 185 13 276.1 276.3 271.6 280.8 1.66 5 804 1618 -10.3 -14.9 69 4.6 -11.5 185 14 279.8 280.0 273.5 284.1 1.49 6 779 1860 -11.9 -17.9 61 6.0 -13.3 185 15 280.6 280.8 273.5 284.1 1.20 7 771 1939 -12.7 -18.7 61 6.0 -14.0 185 15 280.6 280.8 273.4 283.9 1.13 8 766 1989 -11.1 -17.1 61 6.0 -12.6 185 15 282.8 283.0 274.9 286.7 1.30 9 764 2009 -12.3 -17.3 66 5.0 -13.5 185 15 281.7 281.9 274.3 285.5 1.29 10 700 2676 -13.9 -17.3 75 3.4 -14.7 185 17 287.1 287.3 277.3 291.3 1.40 11 682 2874 -14.7 -18.0 76 3.3 -15.5 182 17 288.3 288.6 277.9 292.5 1.36 12 658 3144 -16.3 -19.4 77 3.1 -17.0 177 17 289.5 289.7 278.3 293.3 1.25 13 532 4713 -26.3 -29.8 72 3.5 -26.8 148 17 295.7 295.8 280.3 297.6 0.61 14 500 5160 -28.1 -31.8 71 3.7 -28.6 140 17 298.8 298.9 281.5 300.5 0.53 15 469 5615 -30.5 -34.2 70 3.7 -30.9 157 18 301.3 301.4 282.5 302.8 0.45 16 400 6720 -40.1 -43.8 68 3.7 -40.3 200 19 302.9 302.9 282.8 303.6 0.20 17 301 8579 -58.3 -62.5 58 4.2 -58.3 230 29 302.9 302.9 282.6 303.0 0.03 18 300 8600 -58.5 -62.7 58 4.2 -58.6 230 29 302.9 302.9 282.6 303.0 0.03 19 278 9076 -61.7 -65.6 60 3.9 -61.7 235 33 304.9 304.9 283.4 305.0 0.02 20 272 9212 -59.9 -64.0 59 4.1 -59.9 233 30 309.5 309.5 285.1 309.6 0.03 21 261 9470 -61.1 -65.0 60 3.9 -61.2 229 23 311.4 311.4 285.8 311.5 0.02 22 250 9740 -57.7 -62.0 58 4.3 -57.8 225 17 320.3 320.3 288.9 320.4 0.04 23 219 10584 -52.5 -56.9 59 4.4 -52.7 249 12 340.7 340.7 294.6 341.0 0.08 24 200 11170 -52.5 -57.3 56 4.8 -52.7 265 9 349.6 349.6 296.6 350.0 0.08 25 168 12304 -50.5 -56.5 49 6.0 -50.8 283 16 370.8 370.9 300.8 371.3 0.11 26 150 13040 -53.5 -59.5 48 6.0 -53.7 295 21 377.9 377.9 302.0 378.3 0.08 27 145 13258 -54.3 -61.3 42 7.0 -54.5 295 21 380.2 380.2 302.3 380.5 0.07 28 124 14267 -51.3 -59.3 38 8.0 -51.7 293 23 403.0 403.1 305.7 403.5 0.10 29 100 15650 -56.1 -65.1 31 9.0 -56.4 290 25 419.3 419.3 307.7 419.6 0.06 30 88 16461 -57.9 -66.9 31 9.0 -58.2 295 29 431.3 431.4 309.0 431.6 0.05 31 83 16833 -55.1 -64.1 32 9.0 -55.5 298 30 444.3 444.3 310.4 444.8 0.08 32 70 17910 -60.3 -69.3 30 9.0 -60.6 305 35 455.4 455.4 311.4 455.7 0.05 33 65 18369 -62.3 -72.3 25 10.0 -62.6 303 37 460.8 460.8 311.8 461.0 0.03 34 50 19980 -63.9 -73.9 24 10.0 -64.2 295 44 492.9 492.9 314.4 493.1 0.03 35 39 21496 -65.9 -75.9 24 10.0 -66.2 524.1 524.2 316.6 524.4 0.03 TRP 278 9076 -61.7 -65.6 60 3.9 -61.7 235 33 304.9 304.9 283.4 305.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5245.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 74.77 % Est. max temperature: 2.55 C = 36.58 F Sfc-Lift cond lev (LCL): 934.57 mb = 450.76 m = 1478.85 ft T: -4.69 C 700-500 lapse rate: 5.72 C/km ThetaE index: 1.92 C Layer 925.0- 850.0 mb Conv cond level (CCL): 863.48 mb = 1066.78 m = 3499.88 ft Mean mixing ratio: 2.23 g/kg Conv temperature: -0.47 C = 31.16 F Cap Strength: 13.41 C Lifted Index: 15.53 C Risk: None Lifted Index @300 mb: 15.95 C Lifted Index @700 mb: 8.46 C Showalter Index: 15.24 C Risk: None Total Totals Index: 34.10 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 15.90 C K Index: 2.60 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 4.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.81 J/kg Max Up Vert Vel: 3.41 m/s Conv Inhibition (B-): 39736.12 J/kg Cap Strength: 14.90 C Lift Cond Lev (LCL): 879.30 mb = 925.64 m = 3036.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 198 at 12 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 ---------------------------------------------------------- 0 966 190 160 3 -1.0 2.8 | 29 9 -4.7 -8.3 1 925 532 155 11 -4.6 10.0 | 82 8 -8.3 -1.1 2 850 1189 185 13 1.1 13.0 | 127 3 -2.5 1.9 3 700 2676 185 17 1.5 16.9 | 160 6 -2.2 5.8 4 500 5160 140 17 -10.9 13.0 | 98 15 -14.6 1.9 5 400 6720 200 19 6.5 17.9 | 203 7 2.9 6.8 6 300 8600 230 29 22.2 18.6 | 248 20 18.6 7.6 7 278 9076 235 33 27.0 18.9 | 251 25 23.4 7.8 8 250 9740 225 17 12.0 12.0 | 264 8 8.4 0.9 9 200 11170 265 9 9.0 0.8 | 333 12 5.3 -10.3 10 150 13040 295 21 19.0 -8.9 | 322 25 15.4 -20.0 11 100 15650 290 25 23.5 -8.6 | 315 28 19.9 -19.6 12 70 17910 305 35 28.7 -20.1 | 321 40 25.0 -31.2 13 50 19980 295 44 39.9 -18.6 | 309 47 36.2 -29.7 Wind Parameters Mean winds (0-6000m): 168.2 at 15.6 knts Storm direction: 198.2 at 11.7 knts Shear (0-3000m) pos: 1.8 neg: 0.8 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 110.6 deg Storm rel helicity (0-3000m) pos: 24.7 neg: -4.2 tot: 20.5 m^2/s^2 ave: 6.8 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.77 Bulk Shear: 7.56 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 ------------------------------------------------------------------------------- 500 157 8 64 8| 8.7 0.0 8.7| 17.9 0.0 17.9 35.9 0.91| 9.5 8.7 1000 168 10 80 6| 5.3 0.0 5.3| 22.0 0.0 22.0 22.0 0.81| 7.4 5.9 1500 175 11 93 5| 3.6 0.5 4.0| 23.0 0.0 23.0 15.3 0.80| 5.4 4.3 2000 178 12 107 4| 2.7 0.7 3.4| 23.9 0.0 23.9 12.0 0.78| 4.4 3.4 2500 180 13 119 4| 2.1 0.8 3.0| 24.7 0.0 24.7 9.9 0.76| 3.8 2.9 3000 180 14 126 5| 1.8 0.8 2.6| 24.7 -4.2 20.5 6.8 0.55| 3.6 2.0 4000 176 15 127 6| 1.3 1.0 2.4| 24.7 -14.3 10.5 2.6 0.28| 3.4 1.0 5000 170 15 121 7| 1.1 1.2 2.3| 24.7 -26.2 -1.5 -0.3 0.13| 3.2 0.4 6000 168 16 121 8| 1.7 1.0 2.7| 54.1 -26.2 27.9 4.6 0.33| 3.7 1.2 Wrote GIF file: /home/apache/climate/data/raob//U7713/skewt/U7713.skewt.20251228.00.gif