Time: 904 PM Sat July 29, 2023 Forecaster: Justin Brooks

Internal Message Status
Flash Flood Prediction Program

MESSAGE 1’S WILL BE ALLOWED TO EXPIRED AT 9:00 PM
Message 1’s have been allowed to expire at 9pm as the threat of heavy rainfall has come to an end.

Strong storms persist just east of the District at this time which have been producing heavy rainfall over the last several hours. These storms have pulsed up and down with a few isolated storms just within the District boundary that quickly dissipated. Storms have cleared the District at this time and will continue to move eastward through the rest of the evening.

Partly cloudy skies currently will slowly clear through the overnight. Overnight with low will drop into the low to mid 60’s on the plains with mid to upper 50’s along the foothills.
STORM RAINFALL POTENTIAL AND DURATION: Typical showers will produce a trace to 0.1” total in 10-30 minutes. A weak to moderate shower will produce 0.10-0.30” total, in 10-30 minutes.

WORST CASE SCENARIO: A thunderstorm is able to develop within the District has the potential to produce up to 0.5” in 10-30 minutes.

County Message Valid Times Prime Time
Denver County 1 Current TO 905 PM Current TO 905 PM
Adams County 1 Current TO 905 PM Current TO 905 PM
Douglas County 1 Current TO 905 PM Current TO 905 PM
Broomfield County 1 Current TO 905 PM Current TO 905 PM
Jefferson County 1 Current TO 905 PM Current TO 905 PM
Boulder County 1 Current TO 905 PM Current TO 905 PM
DIA 1 Current TO 905 PM Current TO 905 PM
Arapahoe County 1 Current TO 905 PM Current TO 905 PM
the City of Aurora 1 Current TO 905 PM Current TO 905 PM
Arvada 1 Current TO 905 PM Current TO 905 PM
Wheat Ridge 1 Current TO 905 PM Current TO 905 PM
Lakewood 1 Current TO 905 PM Current TO 905 PM

County-specific Quantitative
Precipitation Outlook
Precipitation Time 30-Minute Rainfall
and % Probability
Message
Potential
Plains      
Adams Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Arapahoe Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Boulder Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Broomfield Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Denver Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Douglas Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Jefferson Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Foothills above 6500ft      
Boulder Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Douglas Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
Jefferson Current TO 1000 PM SAT
Trace (20%) to 0.1" (10%) to 0.3" (5%) NONE
MONITOR NATIONAL WEATHER SERVICE FOR SEVERE WEATHER STATEMENTS.
https://f2p2.udfcd.org/generator/