Alert archive / Utah / Flash Flood Warnings in 1994
Flash Flood Warning 4, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 9, 1994, 11:39 AM MDT for Uintah County, Utah. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1994, 11:39 AM MDT (17:39 UTC)
- Expired
- Aug 9, 1994, 1:45 PM MDT
- In force
- 2 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County Uintah County, UT
The nearest sounding before it
Grand Junction, CO (KGJT), launched 12:00Z, 5.7 hours before the alert went out and 141 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
- -103 J/kg
- Mixed-layer LCL
- 1407 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSLC 091750
FFWSLC
UTC047-091945-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1139 AM MDT TUE AUG 9 1994
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 145 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
IN NORTHEAST UTAH
...NORTHERN UINTAH COUNTY
INCLUDING THE TOWNS OF VERNAL, NAPLES, AND MAESER
HEAVY RAIN HAS BEEN OCCURRING ALONG THE SOUTH SLOPES OF THE UINTA
MOUNTAINS MUCH OF THE MORNING. IN PARTICULAR ASHLEY CREEK AND ITS
TRIBUTARIES INCLUDING DRY FORK ARE RECEIVING VERY HEAVY RAIN. IN THE
TOWN OF MAESER .94 INCHES OF RAIN WAS RECEIVED IN 10 MINUTES.
ADDITIONAL RAINFALL IS EXPECTED OVER THE NEXT SEVERAL HOURS AND
FLOODING IS LIKELY ALONG THIS DRAINAGE. PERSONS IN FLOOD PRONE AREAS
SHOULD TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY.
REMEMBER DO NOT DRIVE INTO FLOODED AREAS OR MOVING WATER. IT ONLY
TAKES 2 FEET OF WATER TO FLOAT A VEHICLE.What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 9, 9:44 AM MDT, 1 hour 55 minutes before
UTZ003-002-001-092000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 950 AM MDT TUE AUG 9 1994 ...LOCALLY HEAVY RAIN HEADED FOR WASATCH FRONT IN THE NEXT FEW HOURS... A LINE OF THUNDERSTORMS IS MOVING NORTH INTO THE WASATCH FRONT THIS MORNING. LOCALLY HEAVY RAIN IS LIKELY BETWEEN 10 AM AND 2 PM TODAY WITH AMOUNTS OF UP TO 3/4 OF AN INCH IN 30 MINUTES POSSIBLE. THIS WILL CAUSE LOCAL STREET FLOODING IN LOW LYING AREAS AND UNDERPASSES. SHOWERS WILL DECREASE LATER THIS AFTERNOON WITH PARTLY CLOUDY SKIES AFTER 400 PM. DUNN...1550Z
Special weather statement, Aug 9, 9:50 AM MDT, 1 hour 49 minutes before
UTZ003-002-001-092000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 950 AM MDT TUE AUG 9 1994 ...LOCALLY HEAVY RAIN HEADED FOR WASATCH FRONT IN THE NEXT FEW HOURS... A LINE OF THUNDERSTORMS IS MOVING NORTH INTO THE WASATCH FRONT THIS MORNING. LOCALLY HEAVY RAIN IS LIKELY BETWEEN 10 AM AND 2 PM TODAY WITH AMOUNTS OF UP TO 3/4 OF AN INCH IN 30 MINUTES POSSIBLE. THIS WILL CAUSE LOCAL STREET FLOODING IN LOW LYING AREAS AND UNDERPASSES. SHOWERS WILL DECREASE LATER THIS AFTERNOON WITH PARTLY CLOUDY SKIES AFTER 400 PM. DUNN...1550Z
Nearby
Flash Flood Warnings in Utah, 1994Every flash flood warning in 1994
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.