Alert archive / Utah / Flash Flood Warnings in 2016
Flash Flood Warning 13, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 4, 2016, 3:48 PM MDT for Garfield County, Kane County, Utah. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2016, 3:48 PM MDT (21:48 UTC)
- Expired
- Aug 4, 2016, 9:45 PM MDT
- In force
- 6 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
Counties Garfield County, UT, Kane County, UT
The radar
The Cedar City radar (KICX), 80 km from the middle of the area, began a volume at 21:50 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.8 hours before the alert went out and 236 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1284 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
392
WGUS55 KSLC 042151
FFWSLC
UTC017-025-050345-
/O.NEW.KSLC.FF.W.0013.160804T2148Z-160805T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
348 PM MDT THU AUG 4 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN GARFIELD COUNTY IN UTAH...
CENTRAL KANE COUNTY IN UTAH...
* UNTIL 945 PM MDT
* AT 348 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER THE HEADWATERS OF THE PARIA...WAHWEAP... BUCKSKIN
AND ASSOCIATED TRIBUTARIES. ALL OF THESE DRAINAGES ARE IN THE
GRAND STAIRCASE ESCALANTE NATIONAL MONUMENT.
* OVER AN INCH OF RAIN HAS FALLEN OVER A WIDE AREA IN A VERY SHORT
PERIOD OF TIME.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BIG WATER...HENRIEVILLE...CANNONVILLE AND KODACHROME BASIN STATE
PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3731 11231 3744 11231 3754 11222 3757 11196
3756 11184 3752 11178 3724 11166 3700 11161
3700 11211
$$
MCINERNEY1 follow-up statement
665
WGUS75 KSLC 050250
FFSSLC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
841 PM MDT THU AUG 4 2016
UTC017-025-050345-
/O.CON.KSLC.FF.W.0013.000000T0000Z-160805T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GARFIELD UT-KANE UT-
841 PM MDT THU AUG 4 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
SOUTHWESTERN GARFIELD AND CENTRAL KANE COUNTIES...
AT 841 PM MDT...THUNDERSTORM RAINFALL HAD FALLEN OVER THE
PARIA...WAHWEAP...AND BUCKSKIN DRAINAGES AROUND 2PM. AS A RESULT OF
THE RAINFALL FLASH FLOODING WAS OBSERVED IN THE BUCKSKIN DRAINAGE
ALONG HOUSE ROCK ROAD... AND INFERRED ALONG THE PARIA AND WAHWEAP
DRAINAGES.
RAINFALL IN THE AREA HAS SIGNIFICANTLY DIMINISHED...HOWEVER FLOOD
WATERS ARE FLOWING SOUTHWARD TOWARD LAKE POWELL AND THE UTAH/ARIZONA
BORDER.
IF YOU ARE TRAVELING NEAR THESE AREAS...PLEASE BE VIGILANT.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... BIG
WATER...HENRIEVILLE... CANNONVILLE AND KODACHROME BASIN STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3731 11231 3744 11231 3754 11222 3757 11196
3756 11184 3752 11178 3724 11166 3700 11161
3700 11211
$$
MCINERNEYThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 2:45 AM MDT | Flash Flood Watch | SLC | 43 hr | |
| Aug 4, 2:54 PM MDT | Fire Weather Watch | SLC | Box Elder, Cache, Davis, Juab, Millard, Morgan and 8 more | 12 hr |
Nearby
Flash Flood Warnings in Utah, 2016Every flash flood warning in 2016
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.