Messages: 2023-JAN-09 : webserver was down Dec 30 to Jan 8. Back up now 2022-DEC-09 : Migration to a new server completed 28-MAR-2024 12Z Soaring report from IAD upper air data Forecast high 53 F; est. base of any clouds 1915 feet AGL. === Some Raw Upper-Air Data === Feet MSL: 279 468 2718 3753 3995 4148 4209 4271 4456 4799 Pres mb: 1007 1000 920 885 877 872 870 868 862 851 Temp C: 8.8 8.4 4.8 2.6 3.8 4.0 4.0 4.0 4.0 4.2 VirT C: 10.0 9.5 5.8 3.5 4.7 5.0 5.0 5.0 5.0 5.2 DewPt C: 8.8 7.8 4.8 2.6 2.0 3.8 3.8 3.5 4.0 3.8 Wdir@kts: 345 9 355 21 === Interpolations (temps in deg. F, altitudes in feet MSL) === MSL *TI* Wdir@kts trig VirT 1.5 degrees/division ("`": Dry Adiabatic) ----- ---- -------- ---- . ---- ----------------------------------------- 12000 16.8 83 | 22.5 ` : 11500 16.1 82 | 23.9 ` : 11000 15.2 80 | 25.0 ` : 10500 14.2 78 | 25.8 ` : 10000 13.1 290 6 77 | 26.5 ` : 9500 10.6 72 | 24.7 ` : 9000 9.7 70 | 25.8 ` : 8500 9.2 69 | 27.5 ` : 8000 9.1 69 | 30.0 ` : 7500 8.7 69 | 32.0 ` : 7000 8.4 68 | 34.1 ` : 6500 7.8 67 | 35.6 ` : 6000 7.1 66 | 37.0 ` : 5500 6.4 64 | 38.4 ` : 5000 6.0 340 9 64 | 40.5 ` : 4500 4.9 62 | 41.0 ` : 4000 3.0 58 | 40.4 ` : 3500 0.9 55 | 39.3 `: 3000 0.5 54 | 41.3 : 2500 0.1 355 21 53 | 43.1 : 2000 -0.6 335 13 53 | 44.6 : 1500 -1.3 52 | 46.1 : ` 1000 -1.9 360 4 50 | 47.6 : ` 500 -2.6 345 9 49 | 49.1 : ` === Complete Upper Air Data === P(mb) H(ft) Tv(C) T(C) DP(C) wind dir wind spd 1007.0 279 10.0 8.8 8.8 1000.0 468 9.5 8.4 7.8 345 9 920.0 2718 5.8 4.8 4.8 355 21 885.0 3753 3.5 2.6 2.6 877.0 3995 4.7 3.8 2.0 872.0 4148 5.0 4.0 3.8 870.0 4209 5.0 4.0 3.8 868.0 4271 5.0 4.0 3.5 862.0 4456 5.0 4.0 4.0 851.0 4799 5.2 4.2 3.8 850.0 4831 5.2 4.2 3.6 340 9 833.0 5370 3.7 2.8 2.7 825.0 5626 3.4 2.6 0.5 779.0 7144 1.0 0.2 -1.0 770.0 7450 0.1 -0.7 -1.1 761.0 7758 -0.4 -1.1 -3.4 734.0 8700 -3.1 -3.7 -4.1 730.0 8842 -3.3 -3.9 -5.1 729.0 8877 -3.3 -3.9 -5.7 716.0 9343 -3.8 -4.1 -15.1 712.0 9488 -4.0 -4.3 -15.3 710.0 9561 -4.2 -4.5 -16.5 706.0 9707 -3.9 -4.1 -22.1 700.0 9928 -3.0 -3.1 -26.1 290 6 699.0 9965 -3.0 -3.1 -27.1 692.0 10226 -3.2 -3.3 -29.3 662.0 11374 -4.2 -4.3 -30.3 657.0 11569 -4.6 -4.7 -31.7 633.0 12527 -6.1 -6.3 -18.3 629.0 12690 -6.0 -6.3 -17.3 614.0 13307 -7.6 -7.9 -17.9 610.0 13474 -7.8 -8.1 -16.1 602.0 13810 -9.0 -9.3 -16.3 600.0 13894 -9.0 -9.3 -14.3 588.0 14405 -10.6 -10.9 -15.2 578.0 14838 -11.3 -11.7 -13.7 537.0 16675 -15.2 -15.5 -15.7 532.0 16907 -15.6 -15.9 -16.2 522.0 17376 -16.3 -16.5 -20.0 520.0 17470 -16.5 -16.7 -20.1 516.0 17661 -16.3 -16.5 -23.5 513.0 17805 -16.3 -16.5 -23.5 500.0 18436 -17.7 -17.9 -23.9 215 80 493.0 18782 -18.7 -18.9 -24.9 488.0 19031 -17.7 -17.9 -24.9 480.0 19436 -19.1 -19.3 -25.3 479.0 19487 -18.1 -18.3 -24.3 471.0 19899 -18.9 -19.1 -23.2 468.0 20055 -19.3 -19.5 -25.5 467.0 20107 -19.3 -19.5 -23.7 463.0 20317 -19.7 -19.9 -26.9 457.0 20634 -20.3 -20.5 -26.5 450.0 21008 -21.4 -21.5 -30.5 446.0 21224 -21.8 -21.9 -35.9 437.0 21715 -23.1 -23.1 -46.1 436.0 21770 -23.3 -23.3 -46.3 435.0 21825 -23.3 -23.3 -44.3 433.0 21936 -23.2 -23.3 -35.3 432.0 21991 -23.4 -23.5 -35.5 430.0 22102 -23.6 -23.7 -32.7 428.0 22214 -23.8 -23.9 -34.9 427.0 22270 -24.0 -24.1 -31.1 426.0 22326 -24.2 -24.3 -32.3 424.0 22439 -24.4 -24.5 -30.5 422.0 22552 -24.5 -24.7 -26.2 419.0 22722 -24.9 -25.1 -26.2 416.0 22894 -24.1 -24.3 -25.4 410.0 23241 -24.9 -25.1 -27.7 409.0 23299 -25.2 -25.3 -29.6 408.0 23357 -25.2 -25.3 -33.3 407.0 23416 -25.4 -25.5 -33.5 406.0 23474 -25.4 -25.5 -33.5 400.0 23828 -26.3 -26.3 -43.3 205 105 396.0 24066 -27.0 -27.1 -41.1 394.0 24186 -27.3 -27.3 -43.3 392.0 24306 -27.6 -27.7 -36.7 391.0 24366 -27.8 -27.9 -37.9 388.0 24548 -28.2 -28.3 -35.3 386.0 24669 -28.6 -28.7 -37.7 385.0 24730 -28.8 -28.9 -35.9 382.0 24913 -29.4 -29.5 -40.5 377.0 25221 -30.3 -30.3 -42.3 375.0 25345 -30.6 -30.7 -40.7 373.0 25470 -31.1 -31.1 -47.1 360.0 26291 -33.3 -33.3 -43.3 358.0 26420 -33.5 -33.5 -45.5 355.0 26613 -34.3 -34.3 -44.3 353.0 26743 -34.5 -34.5 -45.5 352.0 26808 -34.5 -34.5 -60.5 350.0 26938 -34.9 -34.9 -45.9 349.0 27004 -34.9 -34.9 -45.9 348.0 27070 -35.2 -35.3 -41.3 345.0 27267 -35.5 -35.5 -45.5 325.0 28623 -38.3 -38.3 -64.3 300.0 30412 -42.7 -42.7 -64.7 215 123 279.0 32006 -46.5 -46.5 -66.5 255.0 33946 -50.7 -50.7 -66.7 250.0 34369 -51.5 -51.5 -68.5 215 132 246.0 34712 -52.3 -52.3 -71.3 235.0 35679 -54.1 -54.1 -72.1 224.0 36686 -54.7 -54.7 -72.7 212.0 37835 -57.3 -57.3 -69.3 201.0 38937 -58.3 -58.3 -71.3 225 135 200.0 39041 -58.1 -58.1 -71.1 225 134 192.0 39885 -57.5 -57.5 -77.5 164.0 43165 -55.7 -55.7 -84.7 162.0 43421 -55.7 -55.7 -84.7 150.0 45025 -56.9 -56.9 -84.9 230 86 146.0 45585 -57.7 -57.7 -84.7 136.0 47069 -53.3 -53.3 -84.3 128.0 48354 -51.9 -51.9 -84.9 122.0 49370 -53.9 -53.9 -84.9 119.0 49896 -52.7 -52.7 -84.7 Additional wind data: H(ft) dir spd ------ --- --- 1000 360 4 2000 335 13