Rapid snow melt on frozen soils caused minor flooding along small streams in Knox county.
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The episode as NWS OAX wrote it up.
Rapid snow melt on frozen soils caused minor flooding along small streams in Knox county.
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 Omaha, NE wrote its last area forecast discussion before the first event at Mar 10, 2:51 PM CST, 4 hours 7 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 251 PM CST SAT MAR 10 2007 .SHORT TERM...TONIGHT THROUGH TUESDAY. LATEST MSAS SFC ANALYSIS SHOWS SFC HI CENTERED OVER IOWA AND SRN MN WITH FAIRLY MILD TEMPS ACROSS THE REGION TODAY. SHORTWAVE ENERGY CONTINUES TO MOVE ACROSS WY AND CO AND SHOULD DIG MORE SEWD THRU THE NIGHT AS UPPER LEVEL JET DIGS SWD ACROSS THE ROCKIES. FORCING WITH THIS SYSTEM SHOULD STAY WELL TO THE SOUTH AND WITH ONLY A MID LEVEL CLOUD DECK OVER THE FORECAST AREA...WL REMOVE ANY MENTION OF PCPN FROM THE FORECAST FOR TONIGHT AND EARLY SUNDAY. SERLY LOW LEVEL FLOW ON BACK SIDE OF SFC HI WL KEEP LOW LEVELS DRY. TEMPS WL BE THE MAIN FORECAST ISSUE THROUGH THE REST OF THE SHORT TERM PERIOD. WEAK WAA CONTINUES THRU SUNDAY AND INCREASES BY MONDAY. HAVE BUMPED HIGHS UP ON MONDAY TO CLOSE TO GUIDANCE AS +10 TO +12C 850MB TEMPS MIX DOWN. WL LIKELY SEE LOWER 70S MOST AREAS WITH SLIGHTLY COOLER TEMPS IN SW IA WHERE SOME SNOW PACK MAY STILL REMAIN. NEXT CDFNT COMES THRU THE FORECAST AREA TUESDAY AFTERNOON. WL BE A DRY FROPA HOWEVER TEMPS WL BE EXTREMELY TRICKY WITH SOME HIGHS OCCURING EARLY IN THE DAY ESPECIALLY ACROSS THE NORTH. STRONG HEATING AHEAD OF THE FRONT SHOULD ALLOW FOR A RAPID WARM UP DURING THE DAY ACROSS SOUTHERN COUNTIES. HAVE QUITE THE GRADIENT GOING FROM UPPER 50S ACROSS THE NORTH TO THE LOWER 70S ACROSS THE SOUTH. .LONG TERM...TUESDAY NIGHT THROUGH SATURDAY. FORECAST CHALLENGES INCLUDE RELATIVELY SMALL POST-FRONTAL PCPN CHCS WED NGT/THU PD AND THEN HOW MUCH COOLING TO ALLOW FOR. WEAK SHORT WAVE TROUGH MOVING ACROSS NRN PLAINS WED APPEARS IT WILL KEEP COOL ADVCTN MINIMAL YET WED AND 12Z OPERATIONAL MEX HAS COME IN SOME 10 DEGREES WARMER THAN 00Z RUN. PREV FCST WAS ALREADY WARMER THAN EARLIER GUIDANCE AND BUMPED UP TEMPS A BIT. AS THIS WAVE PASSES BY TO OUR N WED NGT...GFS STILL INDICATED SOME MID LVL FRONTOGENESIS/ISENTROPIC UPGLIDE ON 300 K SFC WED NGT/EARLY THU PD SO WL KEEP SMALL POPS IN DURING THAT PD. 12Z GFS HAS COME IN A BIT COOLER THAN 00Z MEAN AND 06Z OPERATIONAL BUT STILL NOT AS COLD AS 00Z ECMWF. ADJUSTED RAIN/SNOW MIX A BIT FARTHER S LATE WED NGT/EARLY THU AND LOWERED TEMPS A BIT THU...BUT NOT AS MUCH AS 00Z ECMWF WOULD SUGGEST. SLIGHTLY AMPLIFYING UPPER FLOW THEN FRI/SAT COULD DELAY WARMUP A BIT FRIDAY WITH SLIGHTLY MODERATING TEMPS EXPECTED SATURDAY. DISCOUNTED TRYING TO TIME ANY EMBEDDED WAVE AND RESULTANT PCPN FRIDAY BUT THIS TREND WILL NEED MONITORING IN LATER FORECASTS. && .OAX WATCHES/WARNINGS/ADVISORIES... NE...NONE. IA...NONE. && GRIFFIS/CHERMOK
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 507 PM CST SAT MAR 10 2007 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-111200- ANTELOPE-BOONE-BURT-BUTLER-CASS-CEDAR-COLFAX-CUMING-DODGE-DOUGLAS- FREMONT IA-GAGE-HARRISON IA-JEFFERSON-JOHNSON-KNOX-LANCASTER-MADISON- MILLS IA-MONONA IA-MONTGOMERY IA-NEMAHA-OTOE-PAGE IA-PAWNEE-PIERCE- PLATTE-POTTAWATTAMIE IA-RICHARDSON-SALINE-SARPY-SAUNDERS-SEWARD- SHELBY IA-STANTON-THURSTON-WASHINGTON-WAYNE- 507 PM CST SAT MAR 10 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF EASTERN NEBRASKA AND SOUTHWEST IOWA. .DAY ONE...TONIGHT AND SUNDAY RUNOFF FROM SNOWMELT WILL CAUSE SOME CREEKS OR SMALL RIVERS ACROSS EASTERN NEBRASKA AND SOUTHWEST IOWA TO RUN AT HIGHER THAN NORMAL LEVELS THROUGH TONIGHT. COUNTIES MOST LIKELY TO EXPERIENCE MINOR OVERFLOWS INCLUDE KNOX...CEDAR AND PIERCE. THE WATER FROM THE SMALL STREAMS IN THE AREA WILL GRADUALLY WORK ITS WAY INTO THE LARGER RIVER SYSTEMS...BUT FLOODING OF THE LARGER RIVERS IS NOT EXPECTED. .DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH SATURDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT OR SUNDAY...BUT IF YOU OBSERVE FLOODING...PLEASE REPORT IT. GRIFFIS
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Rapid snow melt caused flooding of small streams in Knox county. Bazile Creek, near Maiden's Leap, 5 miles east of Niobrara, flooded a few county roads and Highway 12 causing their closure.
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Every storm in Nebraska in 2007Every state in 2007This day in weather historyWarnings in Nebraska, March 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: 13890.