Alert archive / Utah / Flash Flood Warnings in 2003
Flash Flood Warning 27, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 14, 2003, 7:21 PM MDT for Emery County, Utah. It was in force for 114 min. 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 14, 2003, 7:21 PM MDT (01:21 UTC)
- Expired
- Aug 14, 2003, 9:15 PM MDT
- In force
- 114 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
County Emery County, UT
The radar
The Cedar City radar (KICX), 212 km from the middle of the area, began a volume at 01:22 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
Salt Lake City I, UT (KSLC), launched 00:00Z, 1.4 hours before the alert went out and 223 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
- 40 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 3476 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -23 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 150118 FFWSLC UTC015-150315- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 721 PM MDT THU AUG 14 2003 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL EMERY COUNTY IN UTAH * UNTIL 915 PM MDT * AT 711 PM MDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN 6 MILES SOUTH OF MOORE...OR ABOUT 37 MILES SOUTHEAST OF MANTI...MOVING SOUTHWEST AT 5 MPH. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS ESPECIALLY OVER THE MUDDY CREEK AND STREAMS AND WASHES THAT FEED IT THROUGHOUT WEST-CENTRAL EMERY COUNTY. 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 3903 11100 3897 11125 3868 11130 3867 11082
The 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, 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, 3:27 PM MDT | Flash Flood Warning | SLC | Kane | 2 hr |
| 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.