Alert archive / Utah / Flash Flood Warnings in 2003
Flash Flood Warning 28, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 15, 2003, 3:27 PM MDT for Kane County, Utah. It was in force for 2 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 15, 2003, 3:27 PM MDT (21:27 UTC)
- Expired
- Aug 15, 2003, 5:30 PM MDT
- In force
- 2 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
County Kane County, UT
The radar
The Cedar City radar (KICX), 59 km from the middle of the area, began a volume at 21:27 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, 9.5 hours before the alert went out and 226 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
- 15 J/kg
- Mixed-layer CIN
- -189 J/kg
- Mixed-layer LCL
- 1238 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- -38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS55 KSLC 152127
FFWSLC
UTC025-152330-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
327 PM MDT FRI AUG 15 2003
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN KANE COUNTY IN UTAH
* UNTIL 530 PM MDT
* AT 320 PM MDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY
HEAVY RAIN OVER SOUTH CENTRAL KANE COUNTY...OR ABOUT 8 MILES
EAST OF KANAB. THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY.
THIS WARNING IS FOR JOHNSON WASH AND ALL OF ITS UPSTREAM DRAINAGES.
THE HEAVY RAIN HAS COVERED MOST OF THE UPSTREAM AREAS FOR THIS WASH.
RESIDENTS LIVING ALONG JOHNSON CANYON ROAD SHOULD EXPECT VERY HIGH
STREAM FLOW THROUGH EARLY EVENING.
MOVE TO HIGHER GROUND IMMEDIATELY IF WATER BEGINS RISING IN YOUR
AREA. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS
THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED
QUICKLY.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
SALT LAKE CITY.
LAT...LON 3701 11247 3700 11230 3749 11230 3742 11242
3729 11246The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 6:45 PM MDT | Flash Flood Warning | SLC | Garfield | 2 hr |
| Aug 14, 6:47 PM MDT | Flash Flood Warning | SLC | Garfield, Kane | 118 min |
| Aug 14, 7:21 PM MDT | Flash Flood Warning | SLC | Emery | 114 min |
| Aug 14, 8:12 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane, San Juan | 63 min |
| Aug 14, 9:25 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane | 60 min |
| Aug 15, 4:02 PM MDT | Flash Flood Warning | SLC | Garfield, Piute | 88 min |
| Aug 15, 4:40 PM MDT | Severe Thunderstorm Warning | SLC | Iron | 35 min |
Nearby
Flash Flood Warnings in Utah, 2003Every flash flood warning in 2003
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.