Alert archive / Colorado / Flash Flood Warnings in 2013
Flash Flood Warning 27, NWS Grand Junction, CO
NWS Grand Junction, CO issued this flash flood warning at Aug 27, 2013, 1:49 PM MDT for Montrose County, San Miguel County, Colorado. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 27, 2013, 1:49 PM MDT (19:49 UTC)
- Expired
- Aug 27, 2013, 5:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Grand Junction, CO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Montrose County, CO, San Miguel County, CO
The radar
The Grand Junction radar (KGJX), 96 km from the middle of the area, began a volume at 19:51 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before this flash flood warning went out at Aug 27, 10:47 AM MDT, 3 hours 2 minutes earlier.
Area forecast discussion, Aug 27, 10:47 AM MDT, 3 hours 2 minutes before
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</html>Hazardous weather outlook, Aug 27, 5:54 AM MDT, 7 hours 55 minutes before
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
In the hours before
Local storm report, Aug 27, 8:46 AM MDT, 5 hours 3 minutes before
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</html>Local storm report, Aug 27, 11:28 AM MDT, 2 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1128 AM MDT TUE AUG 27 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1200 AM FLASH FLOOD NATURAL BRIDGES 37.61N 109.98W
08/27/2013 SAN JUAN UT PARK/FOREST SRVC
FLASH FLOODING OCCURRED MONDAY NIGHT IN WHITE AND
ARMSTRONG CANYONS...MINOR IMPACT TO ROADS AND TRAILS
&&
EVENT NUMBER GJT1301441
TBSpecial weather statement, Aug 27, 1:28 PM MDT, 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND JUNCTION CO 128 PM MDT TUE AUG 27 2013 UTZ028-029-272015- CANYONLANDS/NATURAL BRIDGES UT-LA SAL AND ABAJO MOUNTAINS UT- 128 PM MDT TUE AUG 27 2013 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN SAN JUAN COUNTY UNTIL 215 PM MDT... AT 125 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 23 MILES NORTHWEST OF MONTICELLO...MOVING NORTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... NEEDLES VISITOR CENTER. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. LAT...LON 3831 10959 3817 10936 3799 10966 3808 10979 JM
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 7:19 PM MDT | Flash Flood Warning | GJT | Montrose | 3 hr |
| Aug 27, 1:28 PM MDT | Special Weather Statement | GJT | 47 min | |
| Aug 27, 3:53 PM MDT | Severe Thunderstorm Warning | GJT | Mesa, Montrose | 52 min |
| Aug 27, 4:14 PM MDT | Flash Flood Warning | GJT | Mesa, Montrose | 3 hr |
| Aug 27, 4:17 PM MDT | Special Weather Statement | GJT | Ouray | 43 min |
| Aug 27, 4:57 PM MDT | Flash Flood Warning | GJT | Mesa | 3 hr |
| Aug 27, 5:57 PM MDT | Special Weather Statement | GJT | Delta | 48 min |
| Aug 26, 8:02 PM MDT | Areal Flood Advisory | GJT | San Juan | 3 hr |
| Aug 26, 10:36 PM MDT | Flash Flood Warning | GJT | San Juan | 3 hr |
| Aug 27, 9:01 AM MDT | Flash Flood Watch | GJT | Grand, San Juan, Uintah | 11 hr |
| Aug 27, 12:18 PM MDT | Flash Flood Warning | GJT | San Juan | 3 hr |
| Aug 27, 1:08 PM MDT | Flash Flood Warning | GJT | San Juan | 3 hr |
Nearby
Flash Flood Warnings in Colorado, 2013Every flash flood warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.