Alert archive / Utah / Flash Flood Warnings in 2001
Flash Flood Warning 18, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jul 14, 2001, 4:47 PM MDT for Morgan County, Utah. It was in force for 103 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jul 14, 2001, 4:47 PM MDT (22:47 UTC)
- Expired
- Jul 14, 2001, 6:30 PM MDT
- In force
- 103 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Morgan County, UT
The radar
The Salt Lake City radar (KMTX), 89 km from the middle of the area, began a volume at 22:49 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 12:00Z, 10.8 hours before the alert went out and 73 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
- 328 J/kg
- Mixed-layer CIN
- -290 J/kg
- Mixed-layer LCL
- 2484 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS55 KSLC 142250
FFWSLC
UTC029-150030-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
447 PM MDT SAT JUL 14 2001
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN MORGAN COUNTY IN UTAH
* UNTIL 630 PM MDT
* AT 438 PM MDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
RAIN OVER EXTREME NORTHEASTERN MORGAN COUNTY...OR ABOUT 21 MILES
WEST OF EVANSTON.
FLASH FLOODING IS LIKELY OCCURRING IN LOST CREEK AND ITS TRIBUTARIES
OF MORGAN COUNTY.
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.
MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
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 4133 11142 4131 11142 4122 11135 4134 11131
4137 11138The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 2:00 PM MDT | Severe Thunderstorm Warning | SLC | Kane, Washington | 45 min |
| Jul 14, 2:19 PM MDT | Flash Flood Warning | SLC | Tooele | 101 min |
| Jul 14, 4:12 PM MDT | Flash Flood Warning | SLC | Tooele | 88 min |
| Jul 14, 4:51 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 44 min |
| Jul 14, 5:18 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 42 min |
Nearby
Flash Flood Warnings in Utah, 2001Every flash flood warning in 2001
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.