Alert archive / Utah / Flash Flood Watches in 2012

Flash Flood Watch 2, NWS Salt Lake City, UT

July 30, 2012

NWS Salt Lake City, UT issued this flash flood watch at Jul 30, 2012, 3:51 AM MDT. It took effect at Jul 30, 2012, 12:00 PM MDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2012, 3:51 AM MDT (09:51 UTC)
In effect from
Jul 30, 2012, 12:00 PM MDT
Expired
Jul 30, 2012, 9:59 PM MDT
In force
10 hr
Issued by
NWS Salt Lake City, UT
Flood severity
None

The text

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

222 
WGUS65 KSLC 300951
FFASLC

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
351 AM MDT MON JUL 30 2012

UTZ013-019>021-518-302000-
/O.NEW.KSLC.FF.A.0002.120730T1800Z-120731T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN RAFAEL SWELL-UTAHS DIXIE AND ZION NATIONAL PARK-
SOUTH CENTRAL UTAH-GLEN CANYON RECREATION AREA/LAKE POWELL-
SOUTHERN MOUNTAINS-
351 AM MDT MON JUL 30 2012

...FLASH FLOOD WATCH IN EFFECT FROM NOON MDT TODAY THROUGH THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF SOUTHERN UTAH...INCLUDING THE
  FOLLOWING AREAS...UTAHS DIXIE AND ZION NATIONAL PARK...SAN
  RAFAEL SWELL...SOUTH CENTRAL UTAH...GLEN CANYON RECREATION
  AREA/LAKE POWELL...SOUTH CENTRAL UTAH AND THE SOUTHERN
  MOUNTAINS.

* FROM NOON MDT TODAY THROUGH THIS EVENING

* ABUNDANT MOISTURE WILL ALLOW FOR THUNDERSTORMS CAPABLE OF
  PRODUCING VERY HEAVY RAINFALL THIS AFTERNOON AND EVENING ACROSS
  THE WATCH AREA. 

* SLOT CANYONS AND SLICKROCK AREAS...NORMALLY DRY WASHES...AND
  OTHER FLASH FLOOD PRONE AREAS SUCH AS BURN SCARS FROM RECENT
  WILDFIRE ACTIVITY WILL BE SUSCEPTIBLE TO FLOODING TODAY. THOSE
  PLANNING OUTDOOR ACTIVITIES WITHIN THE WATCH AREA SHOULD REMAIN
  VIGILANT...AVOID FLOOD PRONE AREAS...AND HAVE A PLAN OF ACTION
  SHOULD FLOODING OCCUR.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
2 follow-up statements
631 
WGUS65 KSLC 301838
FFASLC

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1238 PM MDT MON JUL 30 2012

UTZ013-019>021-518-310400-
/O.CON.KSLC.FF.A.0002.000000T0000Z-120731T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN RAFAEL SWELL-UTAHS DIXIE AND ZION NATIONAL PARK-
SOUTH CENTRAL UTAH-GLEN CANYON RECREATION AREA/LAKE POWELL-
SOUTHERN MOUNTAINS-
1238 PM MDT MON JUL 30 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 PM MDT THIS
EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL UTAH...SOUTHERN UTAH AND SOUTHWEST UTAH...
  INCLUDING THE FOLLOWING AREAS...IN CENTRAL UTAH...SAN RAFAEL 
  SWELL. IN SOUTHERN UTAH...GLEN CANYON RECREATION AREA/LAKE 
  POWELL...SOUTH CENTRAL UTAH AND UTAHS DIXIE AND ZION NATIONAL 
  PARK. IN SOUTHWEST UTAH...SOUTHERN MOUNTAINS.

* UNTIL 10 PM MDT THIS EVENING

* ABUNDANT MOISTURE WILL ALLOW FOR THUNDERSTORMS CAPABLE OF 
  PRODUCING VERY HEAVY RAINFALL THIS AFTERNOON AND EVENING 
  ACROSS THE WATCH AREA. 

* SLOT CANYONS AND SLICKROCK AREAS...NORMALLY DRY WASHES...AND 
  OTHER FLASH FLOOD PRONE AREAS SUCH AS BURN SCARS FROM RECENT 
  WILDFIRE ACTIVITY WILL BE SUSCEPTIBLE TO FLOODING TODAY. THOSE 
  PLANNING OUTDOOR ACTIVITIES WITHIN THE WATCH AREA SHOULD 
  REMAIN VIGILANT...AVOID FLOOD PRONE AREAS...AND HAVE A PLAN OF 
  ACTION SHOULD FLOODING OCCUR. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
820 
WGUS65 KSLC 310359
FFASLC

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
959 PM MDT MON JUL 30 2012

UTZ013-019>021-518-310500-
/O.CAN.KSLC.FF.A.0002.000000T0000Z-120731T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN RAFAEL SWELL-UTAHS DIXIE AND ZION NATIONAL PARK-
SOUTH CENTRAL UTAH-GLEN CANYON RECREATION AREA/LAKE POWELL-
SOUTHERN MOUNTAINS-
959 PM MDT MON JUL 30 2012

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL UTAH...SOUTHERN
UTAH AND SOUTHWEST UTAH HAS BEEN CANCELLED. 

ALTHOUGH A FEW SHOWERS WILL PERSIST THROUGH THE NIGHT...RAINFALL
RATES WILL REMAIN LOW ACROSS MOST OF THE AREA THROUGH THE
REMAINDER OF THE NIGHT. THEREFORE...THE POTENTIAL FOR FLASH
FLOODING HAS DIMINISHED.

$$

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 30, 1:33 PM MDTFlash Flood WarningSLCCarbon, Emery4 hr
Jul 30, 2:01 PM MDTFlash Flood WarningSLCJuab, Sanpete, Utah4 hr
Jul 30, 4:32 PM MDTFlash Flood WarningSLCWashington3 hr

Nearby

Flash Flood Watches in Utah, 2012Every flash flood watch in 2012

Sources

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