Alert archive / Utah / Flash Flood Warnings in 1997
Flash Flood Warning 45, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Sep 8, 1997, 5:44 PM MDT for Garfield County, Iron County, Utah. It was in force for 91 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 8, 1997, 5:44 PM MDT (23:44 UTC)
- Expired
- Sep 8, 1997, 7:15 PM MDT
- In force
- 91 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
Counties Garfield County, UT, Iron County, UT
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 11.7 hours before the alert went out and 296 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
- 337 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1600 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 67 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 082346 FFWSLC UTC017-021-090115- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 544 PM MDT MON SEP 8 1997 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY UT HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 715 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL UTAH ...WESTERN GARFIELD COUNTY IN SOUTHWESTERN UTAH ...EASTERN IRON COUNTY ...FLASH FLOOD WARNING FOR EASTERN IRON AND WESTERN GARFIELD CONTINUED UNTIL 715PM... THE FLASH FLOOD WARNING FOR EASTERN IRON AND WESTERN GARFIELD COUNTIES HAS BEEN EXTENDED UNTIL 715PM. SHOWERS AND THUNDERSTORMS WITH HEAVY RAINFALL CONTINUE TO DEVELOP OVER THE WARNING AREA. THEY ARE MOVING SLOWLY NORTHEASTWARD. DO NOT TRY TO OUTRACE A FLASH FLOOD...EITHER ON FOOT OR IN YOUR VEHICLE. MOVE TO HIGHER GROUND IMMEDIATELY. ERC...2342Z
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, Sep 8, 1:00 PM MDT, 4 hours 44 minutes before
IDZ024-025-UTZ001>027-WYZ021-090400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 100 PM MDT MON SEP 8 1997 ...SHOWERS AND THUNDERSTORMS REDEVELOPING OVER UTAH AGAIN THIS AFTERNOON AND EVENING... A WEATHER DISTURBANCE IS MOVING INTO WEST CENTRAL UTAH THIS AFTERNOON AND ANOTHER IS EXPECTED TO MOVE INTO SOUTHERN UTAH LATE THIS AFTERNOON. THESE DISTURBANCES IN ADDITION TO A PLENTIFUL SUPPLY OF MOISTURE WILL CREATE CONDITIONS FAVORABLE FOR STRONG THUNDERSTORMS ALONG WITH SIGNIFICANT RAINFALL FOR ALMOST ANYWHERE IN UTAH THIS AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS WILL BE SLOW MOVING. RAINFALL AMOUNTS OF THREE-QUARTERS OF AN INCH OF RAIN OR MORE IN A SHORT PERIOD OF TIME COULD CAUSE SOME SMALL STREAM AND URBAN FLOODING. IN ADDITION...SOME OF THE STRONGER THUNDERSTORMS WILL BE ACCOMPANIED BY BRIEF GUSTY WINDS IN THE 40-45 MPH RANGE...FREQUENT LIGHTNING AND HAIL. STRONG THUNDERSTORMS HAVE ALREADY DEVELOPED OVER AREAS OF UTAH THIS AFTERNOON TO INCLUDE THE EXTREME NORTH...WEST CENTRAL AND SOUTH CENTRAL PORTIONS. STAY TUNED TO RADIO...TV...CABLE TV...OR NOAA WEATHER RADIO FOR UPDATES ON THIS DEVELOPING WEATHER SITUATION. ERC...1855Z
Special weather statement, Sep 8, 1:06 PM MDT, 4 hours 38 minutes before
IDZ024-025-UTZ001>027-WYZ021-090400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 100 PM MDT MON SEP 8 1997 ...SHOWERS AND THUNDERSTORMS REDEVELOPING OVER UTAH AGAIN THIS AFTERNOON AND EVENING... A WEATHER DISTURBANCE IS MOVING INTO WEST CENTRAL UTAH THIS AFTERNOON AND ANOTHER IS EXPECTED TO MOVE INTO SOUTHERN UTAH LATE THIS AFTERNOON. THESE DISTURBANCES IN ADDITION TO A PLENTIFUL SUPPLY OF MOISTURE WILL CREATE CONDITIONS FAVORABLE FOR STRONG THUNDERSTORMS ALONG WITH SIGNIFICANT RAINFALL FOR ALMOST ANYWHERE IN UTAH THIS AFTERNOON AND EVENING. SOME OF THESE THUNDERSTORMS WILL BE SLOW MOVING. RAINFALL AMOUNTS OF THREE-QUARTERS OF AN INCH OF RAIN OR MORE IN A SHORT PERIOD OF TIME COULD CAUSE SOME SMALL STREAM AND URBAN FLOODING. IN ADDITION...SOME OF THE STRONGER THUNDERSTORMS WILL BE ACCOMPANIED BY BRIEF GUSTY WINDS IN THE 40-45 MPH RANGE...FREQUENT LIGHTNING AND HAIL. STRONG THUNDERSTORMS HAVE ALREADY DEVELOPED OVER AREAS OF UTAH THIS AFTERNOON TO INCLUDE THE EXTREME NORTH...WEST CENTRAL AND SOUTH CENTRAL PORTIONS. STAY TUNED TO RADIO...TV...CABLE TV...OR NOAA WEATHER RADIO FOR UPDATES ON THIS DEVELOPING WEATHER SITUATION. ERC...1855Z
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 8, 1:49 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Iron | 61 min |
| Sep 8, 3:38 PM MDT | Flash Flood Warning | SLC | Garfield, Iron | 117 min |
Nearby
Flash Flood Warnings in Utah, 1997Every flash flood warning in 1997
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.