Time: 934 PM Sun May 26, 2019 Forecaster: Nick Barlow

Internal Message Status
Flash Flood Prediction Program

MESSAGE 1'S WILL BE EXTENDED UNTIL 11:30PM
-Message 1's issued for the entire District will be extended until 11:30pm.
-A late-evening round of showers and thunderstorms is currently impacting portions of the District. These storms are weaker and more isolated in nature vs. this afternoon's storms.
-With elevated moisture levels and slower storm motions, heavy rainfall remains possible with tonight's storms.
STORM RAINFALL POTENTIAL AND DURATION: Typical rain showers and weak to moderate thunderstorms will produce 0.1-0.3". Strong thunderstorms will have the potential to produce up to 0.3-0.8" in 10-30 minutes.

WORST CASE SCENARIO: A slower moving strong thunderstorm or training of strong thunderstorm cells may result in up to 2.0" in 45-75 minutes.

County Message Valid Times Prime Time
Boulder County 1 Current TO 1130 PM Current TO 1130 PM
Jefferson County 1 Current TO 1130 PM Current TO 1130 PM
Broomfield County 1 Current TO 1130 PM Current TO 1130 PM
Douglas County 1 Current TO 1130 PM Current TO 1130 PM
Adams County 1 Current TO 1130 PM Current TO 1130 PM
Denver County 1 Current TO 1130 PM Current TO 1130 PM
DIA 1 Current TO 1130 PM Current TO 1130 PM
Arapahoe County 1 Current TO 1130 PM Current TO 1130 PM
the City of Aurora 1 Current TO 1130 PM Current TO 1130 PM
Arvada 1 Current TO 1130 PM Current TO 1130 PM
Wheat Ridge 1 Current TO 1130 PM Current TO 1130 PM
Lakewood 1 Current TO 1130 PM Current TO 1130 PM

County-specific Quantitative
Precipitation Outlook
Precipitation Time 30-Minute Rainfall
and % Probability
Message
Potential
Plains      
Adams Current TO 1130 PM SUN
0.1" (70%) to 0.3" (50%) to 0.8" (10%) ISSUED
Arapahoe Current TO 1130 PM SUN
0.1" (75%) to 0.3" (60%) to 0.8" (10%) ISSUED
Boulder Current TO 1130 PM SUN
0.1" (60%) to 0.3" (30%) to 0.8" (10%) ISSUED
Broomfield Current TO 1130 PM SUN
0.1" (60%) to 0.3" (30%) to 0.8" (10%) ISSUED
Denver Current TO 1130 PM SUN
0.1" (75%) to 0.3" (60%) to 0.8" (10%) ISSUED
Douglas Current TO 1130 PM SUN
0.1" (65%) to 0.3" (45%) to 0.8" (10%) ISSUED
Jefferson Current TO 1130 PM SUN
0.1" (60%) to 0.3" (30%) to 0.8" (10%) ISSUED
Foothills above 6500ft      
Boulder Current TO 1130 PM SUN
0.1" (50%) to 0.3" (30%) to 0.8" (5%) ISSUED
Douglas Current TO 1130 PM SUN
0.1" (50%) to 0.3" (30%) to 0.8" (5%) ISSUED
Jefferson Current TO 1130 PM SUN
0.1" (50%) to 0.3" (30%) to 0.8" (5%) ISSUED
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.