Alert archive / Utah / Flash Flood Warnings in 2016
Flash Flood Warning 9, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 3, 2016, 2:55 PM MDT for Kane County, Utah. It was in force for 3 hr. 2 reports 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
- Aug 3, 2016, 2:55 PM MDT (20:55 UTC)
- Expired
- Aug 3, 2016, 6:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
County Kane County, UT
The radar
The Cedar City radar (KICX), 63 km from the middle of the area, began a volume at 20:58 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 |
|---|---|---|---|
| Aug 3, 3:35 PM MDT | FLASH FLOOD | Kanab, UT | FLASH FLOODING WAS REPORTED ALONG KANAB CREEK AND IN THE TOWN OF KANAB |
| Aug 3, 3:37 PM MDT | HEAVY RAIN 1.12 | 1 Ne Kanab, UT | HEAVY RAIN IN AND AROUND KANAB. STREET FLOODING IN TOWN. RAIN DURATION LESS THAN ONE HOUR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 8.9 hours before the alert went out and 216 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
- 258 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
656
WGUS55 KSLC 032058
FFWSLC
UTC025-040000-
/O.NEW.KSLC.FF.W.0009.160803T2055Z-160804T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
255 PM MDT WED AUG 3 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN KANE COUNTY IN UTAH...
* UNTIL 600 PM MDT
* AT 255 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER KANAB CREEK NEAR THE TOWN OF KANAB. FLASH FLOODING
IS EXPECTED TO BEGIN SHORTLY.
* HOURLY ACCUMULATIONS OF AROUND 1.5 INCHES WERE ASSOCIATED WITH
THESE STORMS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KANAB.
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 3713 11246 3701 11242 3700 11270 3714 11265
$$
MCINERNEY/CARR1 follow-up statement
668 WGUS75 KSLC 032254 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 449 PM MDT WED AUG 3 2016 UTC025-040000- /O.CON.KSLC.FF.W.0009.000000T0000Z-160804T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KANE UT- 449 PM MDT WED AUG 3 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR SOUTHWESTERN KANE COUNTY... AT 449 PM MDT...KANAB CREEK IS FLASH FLOODING. ROADWAYS NORTH OF THE TOWN OF KANAB HAVE RECEIVED FLOOD WATERS...ALONG WITH FLOODING IN THE TOWN OF KANAB ADJACENT TO KANAB CREEK. RADAR RAINFALL ESTIMATES INDICATE THAT UPWARDS OF 1.5 INCHES HAS FALLEN OVER THESE AREAS. HOWEVER...THE HEAVIEST RAINFALL HAS DECREASED FOR THE IMMEDIATE FUTURE. IF YOU ARE TRAVELING NEAR HWY 89 HEADING INTO KANAB OR VENTURING AROUND KANAB CREEK THROUGH THE EVENING AND NIGHTTIME HOURS...PLEASE BE AWARE THESE AREAS ARE IN FLOOD...AND FLOOD DEBRIS MAY REMAIN ON ROADWAYS THROUGH THE NIGHT. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... KANAB. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN. DRY WASHES...STREAMS...AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL. && LAT...LON 3713 11246 3701 11242 3700 11270 3714 11265 $$ MCINERNEY
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 2:40 AM MDT | Flash Flood Watch | SLC | 19 hr | |
| Aug 3, 1:55 PM MDT | Flash Flood Warning | SLC | Kane | 6 hr |
| Aug 3, 3:45 PM MDT | Flash Flood Warning | SLC | Washington | 4 hr |
| Aug 3, 4:14 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 3 hr |
| Aug 3, 4:42 PM MDT | Flash Flood Warning | SLC | Garfield, Wayne | 3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.