Alert archive / Colorado / Flash Flood Warnings in 2013

Flash Flood Warning 3, NWS Grand Junction, CO

July 17, 2013Rio Blanco County, Colorado

NWS Grand Junction, CO issued this flash flood warning at Jul 17, 2013, 7:37 PM MDT for Rio Blanco 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: Jul 17, 2013, 7:37 PM MDT (01:37 UTC)
Expired: Jul 17, 2013, 10:30 PM MDT
In force: 3 hr
Issued by: NWS Grand Junction, CO
Area: Storm-based polygon
Flood severity: None

County Rio Blanco County, CO

The radar

The Grand Junction radar (KGJX), 102 km from the middle of the area, began a volume at 01:39 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 Jul 17, 6:05 PM MDT, 1 hour 32 minutes earlier.

Area forecast discussion, Jul 17, 6:05 PM MDT, 1 hour 32 minutes before

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Hazardous weather outlook, Jul 17, 6:26 AM MDT, 13 hours 11 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
626 AM MDT WED JUL 17 2013

COZ001>014-017>023-UTZ022>025-027>029-181300-
LOWER YAMPA RIVER BASIN-CENTRAL YAMPA RIVER BASIN-
ROAN AND TAVAPUTS PLATEAUS-ELKHEAD AND PARK MOUNTAINS-
UPPER YAMPA RIVER BASIN-GRAND VALLEY-DEBEQUE TO SILT CORRIDOR-
CENTRAL COLORADO RIVER BASIN-GRAND AND BATTLEMENT MESAS-
GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS-
CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN-
WEST ELK AND SAWATCH MOUNTAINS-FLATTOPS-
UPPER GUNNISON RIVER VALLEY-UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-
NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS-
PARADOX VALLEY/LOWER DOLORES RIVER-
FOUR CORNERS/UPPER DOLORES RIVER-ANIMAS RIVER BASIN-
SAN JUAN RIVER BASIN-SOUTHEAST UTAH-EASTERN UINTA MOUNTAINS-
EASTERN UINTA BASIN-TAVAPUTS PLATEAU-ARCHES/GRAND FLAT-
LA SAL AND ABAJO MOUNTAINS-CANYONLANDS/NATURAL BRIDGES-
626 AM MDT WED JUL 17 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAIN. DEBRIS
FLOWS AND RISES ALONG CREEKS...STREAMS...AND NORMALLY DRY WASHED MAY
OCCUR FROM HEAVY RAINS. THE SAN JUAN MOUNTAINS HAVE THE BEST
CHANCE OF SHOWERS WITH LOCALLY HEAVY RAINS...PRIMARILY IN THE
AFTERNOON AND EVENING. SHOWERS AND THUNDERSTORMS WILL DIMINISH
AFTER MIDNIGHT...ALTHOUGH ISOLATED STORMS MAY LINGER THROUGH THE
NIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

SCATTERED SHOWERS AND THUNDERSTORMS...MORE NUMEROUS IN THE
MOUNTAINS...ARE EXPECTED EACH AFTERNOON AND EVENING. LOCAL HEAVY
SHOWERS ARE POSSIBLE WITH PASSING STORMS. DRIER AIR MAY FILTER
INTO THE REGION THIS WEEKEND AND EARLY NEXT WEEK FOR A LESSER
THREAT OF SHOWERS AND THUNDERSTORMS...ESPECIALLY ACROSS THE NORTH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT...HOWEVER
SPOTTERS ARE ENCOURAGED TO RELAY RAINFALL AMOUNTS OR ANY OBSERVED
FLOODING TO THE GRAND JUNCTION FORECAST OFFICE.

In the hours before

Local storm report, Jul 17, 3:00 PM MDT, 4 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
300 PM MDT WED JUL 17 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0253 PM     DEBRIS FLOW      5 NW TELLURIDE          37.99N 107.88W
07/17/2013                   SAN MIGUEL         CO   DEPT OF HIGHWAYS

            MUDSLIDE HAS CLOSED HWY 145 5 MILES NORTHWEST OF
            TELLURIDE

&&

EVENT NUMBER GJT1301231

DC

Local storm report, Jul 17, 4:59 PM MDT, 2 hours 38 minutes before

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Local storm report, Jul 17, 5:21 PM MDT, 2 hours 16 minutes before

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Local storm report, Jul 17, 5:47 PM MDT, 1 hour 50 minutes before

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Local storm report, Jul 17, 5:55 PM MDT, 1 hour 42 minutes before

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Local storm report, Jul 17, 6:00 PM MDT, 1 hour 37 minutes before

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The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 6:04 PM MDT	Areal Flood Advisory	GJT	Ouray, San Miguel	3 hr
Jul 17, 9:01 PM MDT	Areal Flood Advisory	GJT	Rio Blanco	3 hr
Jul 17, 10:04 PM MDT	Areal Flood Advisory	GJT	Delta, Montrose	3 hr
Jul 18, 12:31 AM MDT	Areal Flood Advisory	GJT	Mesa, Montrose	3 hr
Jul 18, 1:32 PM MDT	Areal Flood Advisory	GJT	Gunnison	4 hr
Jul 18, 2:00 PM MDT	Areal Flood Advisory	GJT	Eagle, Garfield	4 hr
Jul 18, 2:30 PM MDT	Areal Flood Advisory	GJT	San Miguel	5 hr
Jul 18, 3:18 PM MDT	Areal Flood Advisory	GJT	Garfield, Mesa	4 hr
Jul 18, 4:27 PM MDT	Areal Flood Advisory	GJT	Gunnison, Pitkin	5 hr
Jul 18, 4:48 PM MDT	Areal Flood Advisory	GJT	Mesa	3 hr
Jul 18, 4:52 PM MDT	Areal Flood Advisory	GJT	Garfield, Mesa	3 hr
Jul 18, 5:23 PM MDT	Flash Flood Warning	GJT	Garfield, Mesa	3 hr
Jul 17, 8:10 PM MDT	Areal Flood Advisory	GJT	San Juan	3 hr
Jul 17, 9:36 PM MDT	Areal Flood Advisory	GJT	San Juan	3 hr
Jul 18, 2:43 PM MDT	Areal Flood Advisory	GJT	Grand, Uintah	5 hr

Nearby

Flash Flood Warnings in Colorado, 2013 Every 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.