Moderate to severe drought conditions persisted across eastern Utah due to below normal precipitation and below average mountain snowpack runoff.
Every event with a place to put it; 7 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GJT wrote it up.
Moderate to severe drought conditions persisted across eastern Utah due to below normal precipitation and below average mountain snowpack runoff.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before the first event at Mar 31, 1:50 PM MST, 10 hours 10 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 250 PM MDT SAT MAR 31 2007 .SHORT TERM (TONIGHT THROUGH MONDAY)... LOW PRESSURE SYSTEM WHICH HAS DOGGED THE REGION OVER THE PAST SEVERAL DAYS EJECTED ONTO THE NORTHERN PLAINS OVERNIGHT. NORTHWEST FLOW HAS DEVELOPED IN THE WAKE OF THIS SYSTEM. AIRMASS SHOWED SIGNS OF STABILIZING...HOWEVER SHORTWAVE MOVING ACROSS THE NORTHERN MOUNTAINS THROUGH THE EARLY PART OF THE DAY HELPED SUSTAIN LIGHT SNOW ALONG THE DIVIDE. TO THE WEST...SKIES WERE SUNNY AND TEMPERATURES WERE ON THE ORDER OF 10 TO 15 DEGREES WARMER THAN AT THIS TIME YESTERDAY. TONIGHT: MODELS WERE CONSISTENT WITH SHALLOW AND DIRTY SHORT WAVE RIDGE OVER THE AREA. BOTH GFS AND NAM INDICATED ENOUGH MOISTURE ENTRAINED ACROSS THE NORTH TO KEEP A FEW LIGHT SNOW SHOWERS GOING ALONG THE DIVIDE FROM VAIL PASS NORTHWARD. ELSEWHERE...SKIES WILL BE CLEARING THOUGH WAA WILL HOLD OFF FREEZING TEMPERATURES ACROSS MOST LOWER VALLEY LOCATIONS...THE EXCEPTION BEING MONTEZUMA COUNTY IN SW CO WHERE LOWS WILL DIP INTO THE UPPER 20S. THEREFORE...ISSUED A FREEZE WARNING FOR CO ZONE 21 FROM MIDNIGHT THROUGH 8 AM. SUNDAY: FLOW BECOMES ZONAL AS RIDGE FLATTENS IN RESPONSE TO VORT LOBE DROPPING SOUTH AND EASTWARD ACROSS THE PACIFIC NORTHWEST. MAY YET BE SUFFICIENT MOISTURE ALONG THE NORTHERN TIER MOUNTAIN ZONES FOR A FEW LIGHT SNOW SHOWERS. OTHERWISE...EXPECT CONTINUED WARMING UNDER SUNNY OR PARTLY SUNNY SKIES. SUNDAY NIGHT-MONDAY: VORT EXPECTED TO DRIVE A COLD FRONT INTO THE EXTREME NORTHERN REACHES OF THE CWFA ON MONDAY. DYNAMIC FORCING AND OROGRAPHIC LIFT WILL COMBINE TO BRING SCATTERED SHOWERS TO THE NORTHERN MOST MOUNTAIN AREAS. HOWEVER...BRISK WEST AND SOUTHWEST WINDS AHEAD OF THE FRONT WILL LIKELY GENERATE THE GREATER IMPACT. APPEARS FRONT WILL ENTER THE REGION TOO LATE TO HAVE A SIGNIFICANT IMPACT ON HIGHS MONDAY...SO WENT ALONG WITH MOS GUIDANCE. .LONG TERM (MONDAY NIGHT THROUGH SATURDAY)... THE CHANCE OF PCPN OVER THE NORTH WILL BE ON THE DECREASE AS THE PERIOD STARTS. THE PACIFIC SHORTWAVE THAT IS PROGGED TO BRUSH THE NORTH WILL SCOOT TO THE EAST BY LATE MON NIGHT. RIDGING AND DRIER CONDITIONS WILL FOLLOW ON TUE AS A LARGE SCALE RIDGE TAKES UP RESIDENCE OVER WESTERN NORTH AMERICA FOR THE REMAINDER OF THE WEEK. HOWEVER ONE WAVE WILL UNDERCUT THE RIDGE AND BRING US A SLIGHT CHANCE OF PCPN LATE WED INTO THU. IN THE WAKE OF THIS WEAK SYSTEM...THE FLOW BECOMES MORE NORTH-NORTHWEST AS THE HIGH CENTER RETROGRADES A TAD. IN THIS DIRTY FLOW HAVE KEPT SOME VERY LIGHT POPS OVER NORTHERN MOUNTAINS AS WE COULD SEE A SHOWERS DEVELOP. TEMPS WILL START OUT A LITTLE ABOVE NORMAL AND THEN SLOWLY WARM A FEW DEGREES BY NEXT SAT. && .GJT WATCHES/WARNINGS/ADVISORIES... .CO...FREEZE WARNINGS LATE TONIGHT FOR ZONE 21. .UT...NONE. NL/EH
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE GRAND JUNCTION CO 618 PM MDT SAT MAR 31 2007 UPDATED FOR FREEZE WARNING EXTREME SOUTHWEST COLORADO COZ001>014-017>020-022-023-UTZ022>025-027>029-011200- ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES- CENTRAL COLORADO RIVER BASIN- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR- EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS- ELKHEAD AND PARK MOUNTAINS-FLAT TOPS- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS- GRAND VALLEY-LA SAL AND ABAJO MOUNTAINS-LOWER YAMPA RIVER BASIN- NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY/LOWER DOLORES RIVER- ROAN AND TAVAPUTS PLATEAUS-SAN JUAN RIVER BASIN-SOUTHEAST UTAH- SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU- UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY- UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS- 618 PM MDT SAT MAR 31 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND MOST OF WESTERN COLORADO. .DAY ONE...REST OF TODAY AND TONIGHT A FEW LIGHT SNOW SHOWERS WILL OCCUR OVER THE NORTHERN AND CENTRAL MOUNTAINS THROUGH EARLY EVENING. LITTLE TO NO ACCUMULATION IS EXPECTED. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY ISOLATED SNOW SHOWERS WILL OCCUR OVER THE EXTREME NORTH SUNDAY... INCREASING TO SCATTERED SHOWERS SUNDAY NIGHT. ON MONDAY...SOUTHWEST WINDS GUSTING AS HIGH AS 50 MPH ARE EXPECTED ACROSS NORTHEAST UTAH AND NORTHWEST COLORADO WHICH COULD POSE SOME PROBLEMS FOR HIGH PROFILE VEHICLES TRAVELING IN THOSE AREAS. A COLD FRONT PASSAGE MONDAY AFTERNOON WILL BRING A CHANCE OF NORTHERN MOUNTAIN SNOWFALL MONDAY AND TUESDAY. ANOTHER WEATHER SYSTEM WILL BRING A CHANCE OF SHOWERS TO NORTHWEST COLORADO AND NORTHEAST UTAH WEDNESDAY NIGHT AND THURSDAY. COZ021-011200- FOUR CORNERS/UPPER DOLORES RIVER- 618 PM MDT SAT MAR 31 2007 ...FREEZE WARNING TONIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR LOWER ELEVATIONS OF EXTREME SOUTHWEST COLORADO. .DAY ONE...REST OF TODAY AND TONIGHT FREEZING TEMPERATURES ARE EXPECTED AGAIN TONIGHT FOR LOWER ELEVATIONS IN MONTEZUMA COUNTY...THREATENING VEGETATION THAT HAS BUDDED EARLY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED. MC/CJC/TAL
The national radar mosaic for the moment the first event began.
7 drought. Local standard time, as filed.
Moderate to severe drought persisted due to lack of spring moisture and below average spring runoff.
Moderate drought persisted due to lack of spring moisture and below average spring runoff.
Moderate drought persisted due to lack of spring moisture.
Moderate drought persisted due to lack of spring moisture and below average spring runoff.
Moderate drought persisted due to lack of spring moisture and below average mountain snowpack.
Moderate drought persisted due to lack of spring moisture and below average spring runoff.
Moderate to severe drought persisted due to lack of spring moisture and below average spring runoff.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2007Every state in 2007This day in weather historyWarnings in Utah, April 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 28863, 28864, 28865, 28866, 28867, 28868, 28869.