Alert archive / Utah / Flash Flood Warnings in 2015
Flash Flood Warning 2, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at May 14, 2015, 1:07 PM MDT for Kane County, San Juan 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
- May 14, 2015, 1:07 PM MDT (19:07 UTC)
- Expired
- May 14, 2015, 4:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kane County, UT, San Juan County, UT
The radar
The Cedar City radar (KICX), 136 km from the middle of the area, began a volume at 19:09 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, 7.1 hours before the alert went out and 227 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
- 5 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
125
WGUS55 KSLC 141907
FFWSLC
UTC025-037-142200-
/O.NEW.KSLC.FF.W.0002.150514T1907Z-150514T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
107 PM MDT THU MAY 14 2015
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN SAN JUAN COUNTY IN SOUTHEASTERN UTAH...
EASTERN KANE COUNTY IN UTAH...
* UNTIL 400 PM MDT
* HEAVY RAIN ASSOCIATED WITH THUNDERSTORMS WILL CONTINUE ACROSS
SOUTHWESTERN SAN JUAN AND EASTERN KANE COUNTIES. TRAINED WEATHER
SPOTTERS HAVE REPORTED VERY HEAVY RAINFALL THAT WILL LEAD TO FLASH
FLOODING.
* FLASH FLOODING IS EXPECTED ACROSS NORMALLY DRY WASHES AND SLOT
CANYONS ACROSS THIS AREA INCLUDING WAHWEAP...WARM CREEK...CROTON
CANYON...LAST CHANCE WASHES...COYOTE GULCH AND AREA SLOT CANYONS
INCLUDING SPOOKY AND PEAKABOO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3700 11165 3731 11181 3753 11141 3754 11105
3731 11084 3700 11126
$$
CRK2 follow-up statements
434
WGUS75 KSLC 142037
FFSSLC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
237 PM MDT THU MAY 14 2015
UTC025-037-142200-
/O.CON.KSLC.FF.W.0002.000000T0000Z-150514T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN UT-KANE UT-
237 PM MDT THU MAY 14 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM MDT FOR
SOUTHWESTERN SAN JUAN AND EASTERN KANE COUNTIES...
AT 235 PM MDT...HEAVY RAINFALL FROM EARLIER THUNDERSTORMS WILL
CONTINUE TO CAUSE FLASH FLOODING ACROSS THE AREA. ADDITIONAL
THUNDERSTORM DEVELOPMENT WILL CONTINUE THROUGH THE NEXT SEVERAL
HOURS.
FLASH FLOODING IS EXPECTED ACROSS NORMALLY DRY WASHES AND SLOT
CANYONS ACROSS THIS AREA INCLUDING WAHWEAP...WARM CREEK...CROTON
CANYON...LAST CHANCE WASHES...COYOTE GULCH AND AREA SLOT CANYONS
INCLUDING SPOOKY AND PEAKABOO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3700 11165 3731 11181 3753 11141 3754 11105
3731 11084 3700 11126
$$
CRK288
WGUS75 KSLC 142157
FFSSLC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
357 PM MDT THU MAY 14 2015
UTC025-037-142206-
/O.EXP.KSLC.FF.W.0002.000000T0000Z-150514T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN UT-KANE UT-
357 PM MDT THU MAY 14 2015
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN SAN JUAN AND EASTERN KANE
COUNTIES WILL EXPIRE AT 400 PM MDT...
HEAVY RAINFALL HAS ENDED FOR NOW ACROSS SOUTHWESTERN SAN JUAN AND
EASTERN KANE COUNTIES. RUNOFF WILL CONTINUE TO DECREASE OVER THE
NEXT SEVERAL HOURS.
LAT...LON 3700 11165 3731 11181 3753 11141 3754 11105
3731 11084 3700 11126
$$
CRKThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 1:31 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane | 44 min |
| May 14, 2:14 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 21 min |
| May 14, 2:24 PM MDT | Flash Flood Warning | SLC | Garfield, Kane | 6 hr |
| May 14, 3:17 PM MDT | Special Weather Statement | SLC | Tooele | 88 min |
| May 14, 4:39 PM MDT | Special Weather Statement | SLC | Garfield | 51 min |
Nearby
Flash Flood Warnings in Utah, 2015Every flash flood warning in 2015
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.