Alert archive / Utah / Flash Flood Watches in 2010

Flash Flood Watch 9, NWS Salt Lake City, UT

July 29, 2010

NWS Salt Lake City, UT issued this flash flood watch at Jul 29, 2010, 4:15 AM MDT. It took effect at Jul 29, 2010, 12:00 PM MDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jul 29, 2010, 4:15 AM MDT (10:15 UTC)
In effect from
Jul 29, 2010, 12:00 PM MDT
Expired
Jul 29, 2010, 10:00 PM MDT
In force
10 hr
Issued by
NWS Salt Lake City, UT
Flood severity
None

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Salt Lake City, UT wrote its last area forecast discussion before this flash flood watch went out at Jul 28, 9:19 PM MDT, 6 hours 56 minutes earlier.

Area forecast discussion, Jul 28, 9:19 PM MDT, 6 hours 56 minutes before
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Hazardous weather outlook, Jul 28, 5:24 AM MDT, 22 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
524 AM MDT WED JUL 28 2010

UTZ001>016-019>021-517-518-WYZ021-291200-
CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT-
SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT-
GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS-
WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL-
SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH-
UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH-
GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS-
SOUTHERN MOUNTAINS-SOUTHWEST WYOMING-
524 AM MDT WED JUL 28 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF
UTAH AND FAR SOUTHWEST WYOMING.

.DAY ONE...TODAY AND TONIGHT

A MOIST AIRMASS WILL REMAIN IN PLACE ACROSS THE OUTLOOK AREA.
SHOWERS AND THUNDERSTORMS WILL BECOME MORE NUMEROUS THIS
AFTERNOON ACROSS THE ENTIRE AREA AND WILL PERSIST THROUGH THE
EVENING. HEAVY RAIN IS LIKELY WITH THE LARGER STORMS OVER CENTRAL
AND SOUTHERN PORTIONS OF THE AREA AND FLASH FLOODING IS POSSIBLE.

STORMS WILL BECOME MORE ISOLATED IN COVERAGE AGAIN AFTER MIDNIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE MOIST AIRMASS WILL REMAIN IN PLACE THROUGH MOST OF THE WEEK...
RESULTING IN SCATTERED SHOWERS AND THUNDERSTORMS EACH DAY...
MAINLY IN THE AFTERNOONS AND EVENINGS.

HEAVY RAIN...ALONG WITH A THREAT OF FLASH FLOODING...WILL CONTINUE
ACROSS MAINLY CENTRAL AND SOUTHERN PORTIONS OF THE OUTLOOK AREA
INTO THE LATTER PART OF THE WEEK.

SOME DRYING AND A REDUCED THREAT OF THUNDERSTORMS WILL DEVELOP
ACROSS THE NORTHERN PORTIONS OVER THE WEEKEND WHILE THE SOUTH
REMAINS MOIST.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 6:03 PM MDTSpecial Weather StatementSLCKane42 min
Jul 28, 6:26 PM MDTFlash Flood WarningSLCKane3 hr
Jul 28, 6:47 PM MDTFlash Flood WarningSLCKane3 hr
Jul 28, 7:27 PM MDTFlash Flood WarningSLCKane3 hr
Jul 28, 8:07 PM MDTFlash Flood WarningSLCKane3 hr
Jul 29, 5:39 AM MDTAreal Flood AdvisorySLCEmery4 hr
Jul 29, 3:03 PM MDTSpecial Weather StatementSLC42 min
Jul 29, 3:57 PM MDTSpecial Weather StatementSLCKane48 min
Jul 29, 4:07 PM MDTFlash Flood WarningSLCKane3 hr

Nearby

Flash Flood Watches in Utah, 2010Every flash flood watch in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.