Alert archive / Colorado / Special Weather Statements in 2015

Special Weather Statement, NWS Grand Junction, CO

July 9, 2015Dolores County, Colorado

NWS Grand Junction, CO issued this special weather statement at Jul 9, 2015, 1:08 PM MDT for Dolores County, Colorado. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 9, 2015, 1:08 PM MDT (19:08 UTC)
Expired: Jul 9, 2015, 2:00 PM MDT
In force: 52 min
Issued by: NWS Grand Junction, CO

County Dolores County, CO

The radar

The Grand Junction radar (KGJX), 159 km from the middle of the area, began a volume at 19:10 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.

The nearest sounding before it

Albuquerq/Krtlnd, NM (KABQ), launched 12:00Z, 7.1 hours before the alert went out and 329 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1649 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 9, 12:21 PM MDT, 47 minutes earlier.

Area forecast discussion, Jul 9, 12:21 PM MDT, 47 minutes before

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Hazardous weather outlook, Jul 9, 5:44 AM MDT, 7 hours 24 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
544 AM MDT THU JUL 9 2015

COZ001>014-017>023-UTZ022>025-027>029-101145-
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-
544 AM MDT THU JUL 9 2015

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

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS MORNING AND CONTINUE
THIS AFTERNOON. THE STRONGEST STORMS WILL GENERATE LOCAL MODERATE
TO HEAVY RAIN SHOWERS AND SMALL HAIL.  SHOWERS AND THUNDERSTORMS
WILL PERSIST INTO THE EVENING...BUT THE COVERAGE OF STORMS WILL
DECREASE RAPIDLY LATE THIS EVENING. BUT A FEW STORMS MAY LINGER TO
DAYBREAK FRIDAY MORNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

FRIDAY AND SATURDAY...CONSIDERABLY DRIER BUT A FEW AFTERNOON SHOWERS
AND THUNDERSTORMS WILL OCCUR OVER THE COLORADO HIGH COUNTRY.
ISOLATED STORMS WILL DRIFT OVER POPULATED VALLEYS.

SUNDAY THROUGH WEDNESDAY...MOISTURE RETURNS AND SCATTERED SHOWERS
AND THUNDERSTORMS CAN BE EXPECTED. LOCALLY HEAVY RAINS WILL BE
POSSIBLE EACH AFTERNOON OVER SOUTHWEST COLORADO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, Jul 9, 12:58 PM MDT, 10 minutes before

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Local storm report, Jul 9, 1:02 PM MDT, 6 minutes before

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Local storm report, Jul 9, 1:03 PM MDT, 5 minutes before

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Special weather statement, Jul 9, 1:04 PM MDT, 4 minutes before

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Local storm report, Jul 9, 1:06 PM MDT, 2 minutes before

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Special weather statement, Jul 9, 1:08 PM MDT, 0 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 8, 6:18 PM MDT	Special Weather Statement	GJT	Mesa	42 min
Jul 8, 6:41 PM MDT	Flash Flood Warning	GJT	Mesa	2 hr
Jul 8, 6:41 PM MDT	Special Weather Statement	GJT	Mesa	49 min
Jul 8, 7:01 PM MDT	Areal Flood Advisory	GJT	Delta, Mesa	3 hr
Jul 8, 7:07 PM MDT	Severe Thunderstorm Warning	GJT	Delta, Mesa	23 min
Jul 9, 2:25 PM MDT	Special Weather Statement	GJT	Mesa	50 min
Jul 9, 2:27 PM MDT	Special Weather Statement	GJT	Montrose	48 min
Jul 9, 2:40 PM MDT	Special Weather Statement	GJT		50 min
Jul 9, 2:57 PM MDT	Special Weather Statement	GJT	Ouray	33 min
Jul 9, 3:11 PM MDT	Special Weather Statement	GJT	Mesa	49 min
Jul 9, 3:21 PM MDT	Special Weather Statement	GJT		39 min
Jul 9, 4:14 PM MDT	Special Weather Statement	GJT		46 min
Jul 9, 4:30 PM MDT	Special Weather Statement	GJT	Mesa	45 min
Jul 9, 5:32 PM MDT	Areal Flood Advisory	GJT	Mesa	118 min
Jul 8, 6:24 PM MDT	Special Weather Statement	GJT	San Juan	36 min
Jul 9, 12:48 PM MDT	Special Weather Statement	GJT	Grand	42 min
Jul 9, 1:04 PM MDT	Special Weather Statement	GJT	Uintah	26 min
Jul 9, 1:31 PM MDT	Special Weather Statement	GJT	San Juan	44 min
Jul 9, 1:43 PM MDT	Special Weather Statement	GJT	Uintah	47 min
Jul 9, 1:48 PM MDT	Areal Flood Advisory	GJT	Uintah	3 hr
Jul 9, 1:54 PM MDT	Special Weather Statement	GJT	Uintah	51 min
Jul 9, 2:12 PM MDT	Special Weather Statement	GJT	San Juan	33 min
Jul 9, 2:21 PM MDT	Special Weather Statement	GJT	San Juan	39 min
Jul 9, 2:49 PM MDT	Special Weather Statement	GJT	Uintah	41 min
Jul 9, 3:47 PM MDT	Special Weather Statement	GJT	Grand	43 min
Jul 9, 4:08 PM MDT	Areal Flood Advisory	GJT	Grand	3 hr
Jul 9, 5:14 PM MDT	Special Weather Statement	GJT	Grand	46 min

Nearby

Special Weather Statements in Colorado, 2015 Every special weather statement in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.