Alert archive / Utah / Flash Flood Warnings in 2006
Flash Flood Warning 21, NWS Grand Junction, CO
NWS Grand Junction, CO issued this flash flood warning at Oct 9, 2006, 6:14 PM MDT for Grand County, Utah. It was in force for 3 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
- Oct 9, 2006, 6:14 PM MDT (00:14 UTC)
- Expired
- Oct 9, 2006, 9:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Grand Junction, CO
- Area
- Counties, with a storm outline in the text
County Grand County, UT
The radar
The Grand Junction radar (KGJX), 123 km from the middle of the area, began a volume at 00:17 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
Grand Junction, CO (KGJT), launched 00:00Z, 0.2 hours before the alert went out and 100 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
- 83 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 123 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 KGJT 100015 FFWGJT UTC019-100300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GRAND JUNCTION CO 614 PM MDT MON OCT 9 2006 THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A * FLASH FLOOD WARNING FOR... GRAND COUNTY IN EAST CENTRAL UTAH THIS INCLUDES THE CITIES OF...MOAB...CASTLE VALLEY * UNTIL 900 PM MDT * AT 605 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND SATELLITE IMAGERY INDICATED A LARGE COMPLEX OF INTENSE SHOWERS AND THUNDERSTORMS POISED TO MOVE NORTHWARD OVER THE WARNED AREA WITHIN THE NEXT FEW HOURS. FLASH FLOODING WAS REPORTED EARLIER IN THE MOAB AND ARCHES NATIONAL PARK AREAS DURING THE AFTERNOON HOURS... WITH RESIDUAL FLOOD WATERS REMAINING IN SOME AREAS. * THE STORM PRODUCING FLASH FLOODING WILL MOVE OVER THE MOAB AREAS AND ARCHES NATIONAL PARK...AS WELL AS OTHER RURAL AREAS IN GRAND COUNTY. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SLOT CANYONS...SMALL CREEKS AND STREAMS...AND ROADS ESPECIALLY OVER LOW WATER CROSSINGS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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 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. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN GRAND JUNCTION. LAT...LON 3851 10997 3852 10907 3944 10908 3942 10999 $$
2 follow-up statements
000 WGUS75 KGJT 100119 FFSGJT FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GRAND JUNCTION CO 719 PM MDT MON OCT 9 2006 UTC019-100300- GRAND UT- 719 PM MDT MON OCT 9 2006 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM MDT FOR GRAND COUNTY... AT 705 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LARGE SHOWER AND THUNDERSTORM COMPLEX PRODUCING HEAVY RAIN AND JUST MOVING NORTH INTO THE WARNED AREA. SOILS REMAIN SATURATED IN GRAND COUNTY AND ANY ADDITIONAL RAINFALL WILL LIKELY RESULT IN AREAS OF FLASH FLOODING. THIS STORM COMPLEX WILL MOVE OVER THE MOAB AREA AND ARCHES NATIONAL PARK...AS WELL AS OTHER RURAL AREAS OF GARFIELD COUNTY. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SLOT CANYONS...SMALL CREEKS AND STREAMS...AND ROADS...ESPECIALLY THOSE WITH LOW WATER CROSSINGS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN GRAND JUNCTION. LAT...LON 3851 10997 3852 10907 3944 10908 3942 10999 $$
000 WGUS75 KGJT 100151 FFSGJT FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE GRAND JUNCTION CO 755 PM MDT MON OCT 9 2006 UTC019-100159- GRAND UT- 755 PM MDT MON OCT 9 2006 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR GRAND COUNTY... SHOWERS AND THUNDERSTORMS MOVING NORTHWARD INTO GRAND COUNTY HAVE DECREASED IN INTENSITY AND NO LONGER POSE A THREAT FOR FLASH FLOODING. LAT...LON 3851 10997 3852 10907 3944 10908 3942 10999 $$
Nearby
Flash Flood Warnings in Utah, 2006Every flash flood warning in 2006
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.