Flash Flood Warning 29, NWS Salt Lake City, UT

Issued

Sep 22, 2016, 7:49 AM MDT (13:49 UTC)

Expired

Sep 22, 2016, 10:45 AM MDT

In force

3 hr

Issued by

NWS Salt Lake City, UT

Area

Storm-based polygon

Flood severity

None

County Washington County, UT

The Cedar City radar (KICX), 62 km from the middle of the area, began a volume at 13:51 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.

011 
WGUS55 KSLC 221349
FFWSLC
UTC053-221645-
/O.NEW.KSLC.FF.W.0029.160922T1349Z-160922T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
749 AM MDT THU SEP 22 2016

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN WASHINGTON COUNTY IN UTAH...SPECIFICALLY FOR THE TOWN
  OF HILDALE...INCLUDING THE SHORT CREEK DRAINAGE...AND SOUTHERN
  PORTIONS OF ZION NATIONAL PARK.

* UNTIL 1045 AM MDT

* AT 744 AM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM WITH
  TORRENTIAL RAIN MOVED OVER HILDALE AND THE DRAINAGES ABOVE
  HILDALE...AND ZION NATIONAL PARK. RADAR ESTIMATES ARE
  UNDERESTIMATING THE HEAVY RAINFALL THAT HAS OCCURRED BUT AUTOMATED
  GAUGES AND LOCAL REPORTS INDICATE IN EXCESS OF AN INCH OF RAIN HAS
  FALLEN ACROSS THESE AREAS. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE HILDALE AND
  COLORADO CITY...
  INCLUDING ALONG SHORT CREEK AND THE WASHES THAT FEED INTO SHORT
  CREEK.
  ZION NATIONAL PARK...
  SPECIFICALLY THE EAST FORK OF THE VIRGIN RIVER...
  REFRIGERATOR CANYON...ECHO CANYON...
  AND OTHER SLOT CANYONS ACROSS THE SOUTHERN AND EASTERN PORTIONS OF
  ZION NATIONAL PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3709 11294 3707 11290 3705 11290 3700 11293
      3699 11295 3700 11309 3700 11310

$$

GM

172 
WGUS75 KSLC 221544
FFSSLC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
944 AM MDT THU SEP 22 2016

UTC053-221645-
/O.CON.KSLC.FF.W.0029.000000T0000Z-160922T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON UT-
944 AM MDT THU SEP 22 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 AM MDT FOR
SOUTHEASTERN WASHINGTON COUNTY...

AT 939 AM MDT...FLASH FLOODING HAS BEEN REPORTED IN THE HILDALE ARE
BY LOCAL LAW ENFORCEMENT THIS MORNING...WITH MANY ROADS CURRENTLY
REMAINING CLOSED. THE RAINFALL THAT PRODUCED THIS FLASH FLOODING HAS
SINCE MOVED OUT OF THE AREA...AND THE FLOOD WATERS ALONG SHORT CREEK
AND ITS TRIBUTARIES IS EXPECTED TO GRADUALLY RECEDE OVER THE NEXT
HOUR. 

ALTHOUGH THE RAINFALL HAS ENDED AND FLOOD WATERS WILL BE
RECEDING...ADDITIONAL THUNDERSTORMS CAPABLE OF HEAVY RAINFALL ARE
EXPECTED TO REDEVELOP ACROSS THE AREA LATER TODAY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE HILDALE AND
COLORADO CITY...INCLUDING ALONG SHORT CREEK AND THE WASHES THAT FEED
INTO SHORT CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3709 11294 3707 11290 3705 11290 3700 11293
      3699 11295 3700 11309 3700 11310

$$

GM

226 
WGUS75 KSLC 221647
FFSSLC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1047 AM MDT THU SEP 22 2016

UTC053-221655-
/O.EXP.KSLC.FF.W.0029.000000T0000Z-160922T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON UT-
1047 AM MDT THU SEP 22 2016

...THE FLASH FLOOD WARNING FOR SOUTHEASTERN WASHINGTON COUNTY HAS
EXPIRED...

THE FLASH FLOODING THAT OCCURRED IN THE HILDALE/COLORADO CITY AREA
HAS RECEDED.  AS SUCH...THE FLASH FLOOD WARNING WILL BE ALLOWED TO
EXPIRE.

HOWEVER...IT IS POSSIBLE THAT THIS AREA MAY EXPERIENCE ADDITIONAL
FLASH FLOODING AS THE FORECAST CALLS FOR ADDITIONAL THUNDERSTORM
ACTIVITY LATER THIS AFTERNOON.

PLEASE BE AWARE OF RAPIDLY RISING RIVER LEVELS THROUGHOUT THE DAY.

LAT...LON 3709 11294 3707 11290 3705 11290 3700 11293
      3699 11295 3700 11309 3700 11310

$$

MCINERNEY

Flash Flood Warnings in Utah, 2016Every flash flood warning in 2016

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.