WGUS85 KBOU 142109 FLSBOU Flood Advisory National Weather Service Denver CO 309 PM MDT Thu Sep 14 2023 COC013-059-150015- /O.NEW.KBOU.FA.Y.0166.230914T2109Z-230915T0015Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Boulder CO-Jefferson CO- 309 PM MDT Thu Sep 14 2023 ...FLOOD ADVISORY IN EFFECT UNTIL 615 PM MDT THIS EVENING... * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Colorado, including the following counties, Boulder and Jefferson. * WHEN...Until 615 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 309 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Western Arvada, western Westminster, Boulder, southwestern Broomfield, Lafayette, Louisville, Superior, Rocky Flats, Eldorado Springs and Marshall. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3994 10527 4004 10530 4004 10513 3994 10511 3993 10512 3995 10513 3994 10513 3994 10514 3991 10515 3991 10510 3980 10511 3982 10527 3990 10532 $$ Heavener