Alert archive / Utah / Flash Flood Warnings in 2014
Flash Flood Warning 49, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Sep 20, 2014, 2:16 PM MDT for Kane County, Washington County, Utah. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 20, 2014, 2:16 PM MDT (20:16 UTC)
- Expired
- Sep 20, 2014, 5:15 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kane County, UT, Washington County, UT
The radar
The Cedar City radar (KICX), 31 km from the middle of the area, began a volume at 20:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 20, 3:00 PM MDT | FLASH FLOOD | Zion Np, UT | FLASH FLOODING REPORTED IN ECHO CANYON |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 8.3 hours before the alert went out and 251 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
- 3119 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
096
WGUS55 KSLC 202016
FFWSLC
UTC025-053-202315-
/O.NEW.KSLC.FF.W.0049.140920T2016Z-140920T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
216 PM MDT SAT SEP 20 2014
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN WASHINGTON COUNTY IN UTAH...
WEST CENTRAL KANE COUNTY IN UTAH...
* UNTIL 515 PM MDT
* AT 213 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER SOUTHERN ZION NATIONAL PARK. NARROW SLOT CANYONS
THROUGHOUT THE SOUTHERN HALF OF THE PARK WILL EXPERIENCE FLOODING
FROM THESE THUNDERSTORMS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ZION NATIONAL PARK...VIRGIN...SPRINGDALE AND ROCKVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3746 11284 3713 11278 3713 11318 3745 11323
$$
CONGER2 follow-up statements
848 WGUS75 KSLC 202131 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 331 PM MDT SAT SEP 20 2014 UTC025-053-202315- /O.CON.KSLC.FF.W.0049.000000T0000Z-140920T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WASHINGTON UT-KANE UT- 331 PM MDT SAT SEP 20 2014 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR SOUTHEASTERN WASHINGTON AND WEST CENTRAL KANE COUNTIES... AT 326 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS EXITING ZION NATIONAL PARK FROM SOUTH TO NORTH. WHILE RAIN MAY BE ENDING FOR THE TIME BEING...IT WILL CONTINUE TO TAKE SOME TIME FOR THE WATERS TO RECEDE. CONTINUE TO EXERCISE CAUTION NEAR ANY SLOT CANYONS AND NORMALLY DRY WASHES. ADDITIONAL RAIN IS EXPECTED THIS EVENING. SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE... ZION NATIONAL PARK...VIRGIN...SPRINGDALE AND ROCKFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO HIGHER GROUND NOW. && LAT...LON 3746 11284 3713 11278 3713 11318 3745 11323 $$ ROGOWSKI
108 WGUS75 KSLC 202307 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 507 PM MDT SAT SEP 20 2014 UTC025-053-202316- /O.EXP.KSLC.FF.W.0049.000000T0000Z-140920T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WASHINGTON UT-KANE UT- 507 PM MDT SAT SEP 20 2014 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN WASHINGTON AND WEST CENTRAL KANE COUNTIES WILL EXPIRE AT 515 PM MDT... RUNOFF FROM EARLIER PRECIPITATION HAS DIMINISHED GREATLY AND RIVER AND STREAM LEVELS HAVE DECREASED. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. MONITOR NOAA WEATHER RADIO OR LOCAL TELEVISION OR RADIO FOR THE LATEST WEATHER INFORMATION. LAT...LON 3746 11284 3713 11278 3713 11318 3745 11323 $$ MPS
Nearby
Flash Flood Warnings in Utah, 2014Every flash flood warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.