Alert archive / Utah / Flash Flood Warnings in 2016
Flash Flood Warning 24, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 26, 2016, 3:55 PM MDT for Garfield County, Utah. It was in force for 3 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 26, 2016, 3:55 PM MDT (21:55 UTC)
- Expired
- Aug 26, 2016, 7:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
County Garfield County, UT
The radar
The Cedar City radar (KICX), 143 km from the middle of the area, began a volume at 21:56 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, 9.9 hours before the alert went out and 277 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
- 3 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1144 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
422
WGUS55 KSLC 262157
FFWSLC
UTC017-270100-
/O.NEW.KSLC.FF.W.0024.160826T2155Z-160827T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
355 PM MDT FRI AUG 26 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL GARFIELD COUNTY IN UTAH...
* UNTIL 700 PM MDT
* AT 355 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER THE ESCALANTE RIVER DRAINAGE IN NORTHERN GRAND
STAIRCASE ESCALANTE NATIONAL MONUMENT. RAINFALL IN EXCESS OF ONE
INCH HAS ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.
* FLASH FLOODING IS EXPECTED ALONG DRAINAGES FLOWING INTO THE
ESCALANTE RIVER INCLUDING EGYPT 3...25 MILE WASH...AND MIDDLE
AND EAST MOODY CANYONS IN SOUTH CENTRAL GARFIELD COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN. DRY
WASHES...STREAMS...AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.
&&
LAT...LON 3772 11117 3754 11104 3754 11125 3774 11145
3780 11139
$$
MPS2 follow-up statements
318
WGUS75 KSLC 262250
FFSSLC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
443 PM MDT FRI AUG 26 2016
UTC017-270100-
/O.CON.KSLC.FF.W.0024.000000T0000Z-160827T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GARFIELD UT-
443 PM MDT FRI AUG 26 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM MDT FOR
SOUTH CENTRAL GARFIELD COUNTY...
AT 443 PM MDT...DOPPLER RADAR INDICATED UP TO TWO INCHES OF RAIN HAD
FALLEN ACROSS PORTIONS OF THE ESCALANTE RIVER DRAINAGE ACROSS
NORTHERN GRAND STAIRCASE ESCALANTE NATIONAL MONUMENT. THIS IS LIKELY
RESULTING IN FLASH FLOODING ALONG SEVERAL TRIBUTARIES OF
THE ESCALANTE INCLUDING HARRIS WASH
FLASH FLOODING WILL CONTINUE ACROSS NORTHERN PORTIONS OF THE GRAND
STAIRCASE ESCALANTE NATIONAL MONUMENT ALONG THE ESCALANTE
RIVER DRAINAGE THROUGH 7 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN. DRY
WASHES...STREAMS...AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.
&&
LAT...LON 3772 11117 3754 11104 3754 11125 3774 11145
3780 11139
$$
MPS550
WGUS75 KSLC 270103
FFSSLC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
703 PM MDT FRI AUG 26 2016
UTC017-270113-
/O.EXP.KSLC.FF.W.0024.000000T0000Z-160827T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GARFIELD UT-
703 PM MDT FRI AUG 26 2016
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL GARFIELD COUNTY HAS
EXPIRED...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3772 11117 3754 11104 3754 11125 3774 11145
3780 11139
$$
MPSThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 1:44 PM MDT | Special Weather Statement | SLC | 31 min | |
| Aug 26, 2:23 PM MDT | Special Weather Statement | SLC | Kane | 52 min |
| Aug 26, 2:28 PM MDT | Special Weather Statement | SLC | Duchesne | 47 min |
| Aug 26, 2:29 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Wayne | 30 min |
| Aug 26, 3:32 PM MDT | Flash Flood Warning | SLC | Garfield, Wayne | 3 hr |
| Aug 26, 3:43 PM MDT | Special Weather Statement | SLC | Garfield | 47 min |
| Aug 26, 4:00 PM MDT | Special Weather Statement | SLC | Carbon | 30 min |
| Aug 26, 5:50 PM MDT | Special Weather Statement | SLC | 55 min |
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.