Alert archive / Utah / Flash Flood Watches in 2007

Flash Flood Watch 8, NWS Salt Lake City, UT

September 22, 2007

NWS Salt Lake City, UT issued this flash flood watch at Sep 22, 2007, 9:13 PM MDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Sep 22, 2007, 9:13 PM MDT (03:13 UTC)
Expired: Sep 23, 2007, 12:00 AM MDT
In force: 3 hr
Issued by: NWS Salt Lake City, UT

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 Sep 22, 8:30 PM MDT, 43 minutes earlier.

Area forecast discussion, Sep 22, 8:30 PM MDT, 43 minutes before

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Hazardous weather outlook, Sep 22, 7:00 AM MDT, 14 hours 13 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
700 AM MDT SAT SEP 22 2007

UTZ001>008-014>016-019>021-517-518-231300-
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-
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-
700 AM MDT SAT SEP 22 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND EXTREME SOUTHERN
PORTIONS OF UTAH.

.DAY ONE...TODAY AND TONIGHT

THE COLD LOW PRESSURE SYSTEM ALONG THE CALIFORNIA COAST WILL MOVE
NORTHEAST INTO UTAH LATER TODAY. SHOWERS AND THUNDERSTORMS WILL
SPREAD INTO SOUTHWEST EARLY THIS MORNING...THEN ACROSS THE REMAINDER
OF THE AREA DURING THE DAY. THE POTENTIAL FOR HEAVY RAINFALL EXISTS
ACROSS MUCH OF SOUTHWEST UTAH THROUGH THIS AFTERNOON. A FLASH FLOOD
WATCH EXISTS FOR THE SOUTHWEST QUARTER OF UTAH...AND IS IN EFFECT
THROUGH 600 PM MDT TODAY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A SECOND PACIFIC STORM SYSTEM WILL ARRIVE OVER NORTHWEST UTAH LATE SUNDAY.
THIS STORM WILL BRING IN SIGNIFICANTLY COLDER AIR SUNDAY NIGHT THROUGH
MONDAY. VALLEY LOCATIONS WILL SEE WIDESPREAD RAIN...WITH ACCUMULATING
SNOWS IN THE NORTHERN MOUNTAINS. THIS SNOW COULD MIX WITH THE RAIN
IN HEAVIER PRECIPITATION BANDS ALONG THE FOOTHILLS AND HIGHER VALLEYS.

A MILDER WESTERLY FLOW WILL SETTLE OVER THE AREA MIDWEEK...AND REMAIN
IN PLACE HEADING INTO NEXT WEEKEND. TEMPERATURES WILL REBOUND SLOWLY...
REMAINING NEAR OR A LITTLE BELOW NORMAL OVER NORTHERN UTAH AND AT
OR A LITTLE ABOVE NORMAL ACROSS SOUTHERN UTAH.

.SPOTTER INFORMATION STATEMENT...SPOTTERS ARE ENCOURAGED TO REPORT
SIGNIFICANT WEATHER ACCORDING TO STANDARD OPERATING PROCEDURES.

UTZ009>013-WYZ021-231300-
WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS-
WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL-
SOUTHWEST WYOMING-
700 AM MDT SAT SEP 22 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL UTAH...
NORTHERN UTAH AND SOUTHWEST WYOMING.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS EASTERN
UTAH AND SOUTHWEST WYOMING DURING THE DAY. SOME OF THE STRONGER
SHOWERS AND STORMS COULD PRODUCE HEAVY PRECIPITATION LATE THIS
AFTERNOON...BUT MORE LIKELY TONIGHT. COOLER AIR WILL SPREAD ACROSS
THE AREA TONIGHT...THOUGH SNOW LEVELS WILL REMAIN QUITE HIGH
HEADING INTO SUNDAY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A SECOND PACIFIC STORM SYSTEM WILL PUSH A COLD FRONT ACROSS THE AREA
SUNDAY NIGHT THROUGH MONDAY. PRECIPITATIONS WILL REMAIN PRIMARILY
OVER NORTHEAST UTAH AND SOUTHWEST WYOMING. SNOW LEVELS WILL DROP
SUBSTANTIALLY BEHIND THE FRONT...WITH ACCUMULATING SNOWS EXPECTED
OVER THE NORTHEAST UTAH MOUNTAINS AND HIGHER SOUTHWEST WYOMING
VALLEYS.

A MILDER WESTERLY FLOW WILL SETTLE OVER THE AREA MIDWEEK...AND REMAIN
IN PLACE HEADING INTO NEXT WEEKEND. TEMPERATURES WILL REBOUND SLOWLY...
WITH READINGS RETURNING TO NORMAL OR A LITTLE ABOVE BY THE END OF
THE WEEK.

.SPOTTER INFORMATION STATEMENT...SPOTTERS ARE ENCOURAGED TO REPORT
SIGNIFICANT WEATHER ACCORDING TO STANDARD OPERATING PROCEDURES.

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

In the hours before

Local storm report, Sep 22, 5:35 PM MDT, 3 hours 38 minutes before

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Local storm report, Sep 22, 8:10 PM MDT, 1 hour 3 minutes before

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Nearby

Flash Flood Watches in Utah, 2007 Every flash flood watch in 2007

Sources

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