A few thunderstorms developed along a cold front on the afternoon of September 4th. One storm briefly became severe and produced wind gusts up to 58 mph.
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The episode as NWS LBF wrote it up.
A few thunderstorms developed along a cold front on the afternoon of September 4th. One storm briefly became severe and produced wind gusts up to 58 mph.
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 North Platte, NE wrote its last area forecast discussion before the first event at Sep 4, 2:09 PM CST, 3 hours 16 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 309 PM CDT TUE SEP 4 2012 .SYNOPSIS... AT H5 CLOSED LOW OVER CENTRAL CANADA WITH ZONAL FLOW OVER WESTERN AND CENTRAL CONUS. A TROUGH OVER THE EAST COAST. && .DISCUSSION... UPPER LOW OVER CANADA CONTINUES TO DOMINATE WEATHER PATTERN OVER NORTHERN PLAINS. AFTER A VERY WARM DAY TODAY ISOLATED HIGH BASED THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER NORTH CENTRAL NEBRASKA ALONG A STATIONARY BOUNDARY THIS AFTERNOON INTO EARLY EVENING IN AN AREA OF HIGHER DEW POINTS IN THE 50S. THE BOUNDARY WILL MOVE SOUTH AND EAST OVER NIGHT AS A COLD FRONT. COLD AIR ADVECTION WILL BRING GUSTY NORTHWEST WINDS AND COOLER TEMPERATURES. LOWS TONIGHT FALLING INTO THE 50S WEDNESDAY HIGHS WILL BE AROUND 80 OR NORMAL FOR THE SEASON. WARMER ON THURSDAY WITH STRONG RIDGE TO THE SOUTH AND WESTERN NEBRASKA ON THE BACKSIDE OF THE SURFACE HIGH...WARM DRY AIR WILL BE ADVECTED INTO WESTERN NEBRASKA WITH FIRE WEATHER CONCERNS RETURNING AS RELATIVE HUMIDITY FALLS TO 10 TO 15 PERCENT OVER ALL OF THE COUNTY WARNING AREA. A COLD FRONTAL BOUNDARY WILL DROP ACROSS WESTERN NEBRASKA THURSDAY AFTERNOON AND EVENING WITH A STRONGER PUSH OF COLD AIR AND SURFACE MOISTURE AHEAD OF THE FRONT SHOWERS AND THUNDERSTORMS EXPECTED WITH POST FRONTAL ACTIVITY THROUGH DAY FRIDAY AS THE UPPER LOW OVER HUDSON BAY DRAGS AN UPPER TROUGH ACROSS WESTERN NEBRASKA. HIGH TEMPERATURES STRUGGLING INTO THE 70S FOR DAY TIME HIGHS. COOL AND CLEAR SATURDAY HIGHS IN THE 70S AND 80S. AS THE WESTERN RIDGE BUILDS EAST TEMPERATURES CLIMBING BACK INTO THE 80S SUNDAY MONDAY AND TUESDAY. AN UPPER TROUGH APPROACHES FROM THE NORTHWEST TUESDAY AND WILL DRIVE A COLD FRONT THROUGH WESTERN NEBRASKA LATE IN THE EXTENDED WITH TEMPERATURES COOLING AND A CHANCE FOR PRECIPITATION. && .AVIATION... VFR IS EXPECTED MOST AREAS TODAY AND THROUGH THE OVERNIGHT. EXCEPTION BEING ACROSS FAR NORTH CENTRAL NEBRASKA...GENERALLY ALONG AND EAST OF A KBBW TO KONL LINE...AND SOUTHWEST NEBRASKA /NEAR KIML/...WHERE TSTMS ARE POSSIBLE. MODEL SOUNDINGS INDICATE DRY LOWER LEVELS...THUS HIGH BASED STORMS CAPABLE OF ERRATIC GUSTY WIND WOULD BE THE EXPECTED STORM THREATS. OTHERWISE...A FRONT IS EXPECTED TO CROSS THE REGION LATER THIS EVENING...PASSING OVER THE KVTN TERMINAL AROUND 01Z THIS EVENING...THEN OVER KLBF AFTER 05Z. A DISTINCT NORTHERLY WIND SHIFT IS EXPECTED ALONG THE FRONTAL PASSAGE...WITH WIND SPEEDS GUSTING AOA 20KTS POSSIBLE. && .FIRE WEATHER... RED FLAG WARNING IN EFFECT UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR CRITICALLY LOW RELATIVE HUMIDITY VALUES...OCCASIONAL GUSTY WIND...AND A EVENING FRONTAL PASSAGE. THROUGH THIS EVENING...VERY DRY AIR WILL COMBINE WITH ABNORMALLY WARM TEMPERATURES AND GUSTY WIND TO CREATE EXTREME FIRE DANGER ACROSS FIRE ZONES 204...206 AND WESTERN PORTIONS OF 208. THE LOCATIONS OF GREATEST CONCERN WILL BE WEST OF A LINE FROM OGALLALA TO THEDFORD TO VALENTINE...WHERE MINIMUM RELATIVE HUMIDITY MAY FALL BELOW 10 PERCENT. WIND SPEEDS TODAY HAVE BEEN A BIT UNCERTAIN AS A FAIRLY LIGHT PRESSURE GRADIENT...AND LIGHT MOMENTUM ALOFT... HAVE CREATED WIND SPEEDS AT OR BELOW 20 MPH...HOWEVER CANNOT ENTIRE RULE OUT A FEW GUSTS IN EXCESS OF 25 MPH LATER THIS EVENING...ESPECIALLY TRUE ACROSS NORTHWEST NEBRASKA WHERE WIND GUSTS AOA 25 MPH HAVE ALREADY OCCURRED. THIS EVENING AND TONIGHT...AVAILABLE NEAR TERM MODEL GUIDANCE INDICATES A FRONTAL PASSAGE ARRIVING ACROSS NORTHWEST NEBRASKA AROUND 5 PM MDT /6 PM CDT/...AND CROSS THROUGH MUCH OF THE SAND HILLS REGION AND NORTH CENTRAL NEBRASKA BY 11 PM MDT /MIDNIGHT CDT/. A DISTINCT WIND SHIFT TO NORTHERLY WILL BE EXPECTED WITH THIS FRONTAL PASSAGE AND WIND SPEEDS ARE EXPECTED TO GUST AOA 20 MPH FOR A COUPLE HOURS BEHIND THE PASSAGE. NOTE THAT RH RECOVERY MAY BE DELAYED UNTIL EARLY MORNING /AROUND SUNRISE/...THUS FIRE ACTIVITY COULD BE EXTREME AND/OR ERRATIC BEFORE AND AFTER THE PASSAGE OF THE FRONT. && .LBF WATCHES/WARNINGS/ADVISORIES...RED FLAG WARNING UNTIL 10 PM CDT /9 PM MDT/ THIS EVENING FOR NEZ204-206-208. && SHORT TERM/EXTENDED...POWER AVIATION...JACOBS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTH PLATTE NE 342 PM CDT TUE SEP 4 2012 NEZ004>010-022>029-035>038-056>059-069>071-094-052045- SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-GARDEN- GRANT-HOOKER-THOMAS-BLAINE-LOUP-GARFIELD-WHEELER-ARTHUR-MCPHERSON- LOGAN-CUSTER-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER- WESTERN CHERRY- 342 PM CDT TUE SEP 4 2012 /242 PM MDT TUE SEP 4 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND NORTH CENTRAL NEBRASKA. .DAY ONE...TONIGHT. ISOLATED THUNDERSTORMS ARE POSSIBLE LATER THIS EVENING ACROSS PORTIONS OF NORTH CENTRAL NEBRASKA...GENERALLY ALONG AND EAST OF A BARTLETT TO BASSETT TO BURTON LINE. SOME STORMS MAY BE STRONG WITH DAMAGING WIND GUSTS AND SMALL HAIL. ADDITIONAL STORMS ARE POSSIBLE EARLY THIS EVENING ACROSS SOUTHWEST NEBRASKA...HOWEVER THESE STORMS WILL REMAIN WELL BELOW SEVERE LIMITS. EXTREME FIRE DANGER IS CERTAIN ACROSS ALL OF WESTERN AND NORTH CENTRAL NEBRASKA. CRITICALLY LOW RELATIVE HUMIDITY WILL COMBINE WITH ABNORMALLY WARM TEMPERATURES AND OCCASIONAL WINDY CONDITIONS TO CREATE CONDITIONS FAVORABLE FOR EXPLOSIVE FIRE GROWTH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. CRITICAL OR EXTREME FIRE DANGER COULD DEVELOP THURSDAY AHEAD OF ANOTHER STRONG COLD FRONT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT. && THIS PRODUCT IS NOW AVAILABLE...ALONG WITH OTHER WEATHER... HYDROLOGICAL AND CLIMATOLOGICAL INFORMATION...AT HTTP://WWW.WEATHER.GOV/NORTHPLATTE JACOBS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 417 PM CDT TUE SEP 4 2012 NEZ008>010-042200- BROWN NE-HOLT NE-ROCK NE- 417 PM CDT TUE SEP 4 2012 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN ROCK...NORTHWESTERN HOLT AND EASTERN BROWN COUNTIES UNTIL 500 PM CDT... AT 416 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12 MILES EAST OF WILLOW LAKE STATE WILDLIFE MANAGEMENT AREA...OR 17 MILES SOUTH OF AINSWORTH. THIS STORM WAS NEARLY STATIONARY. HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. THIS STORM WILL BE NEAR... RURAL EASTERN BROWN COUNTY THROUGH 500 PM CDT RURAL NORTHERN ROCK COUNTY THROUGH 500 PM CDT RURAL NORTHWESTERN HOLT COUNTY THROUGH 500 PM CDT IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. JACOBS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 525 PM CDT TUE SEP 4 2012 NEZ007-010-042330- BOYD NE-HOLT NE- 525 PM CDT TUE SEP 4 2012 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN HOLT AND EASTERN BOYD COUNTIES UNTIL 630 PM CDT... AT 520 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR ATKINSON...OR 21 MILES NORTHWEST OF ONEILL...MOVING NORTHEAST AT 25 MPH. HAIL UP TO THE SIZE OF NICKELS IS EXPECTED WITH THIS STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... SPENCER... HULL LAKE STATE WILDLIFE MANAGEMENT AREA... PARSHALL BRIDGE STATE WILDLIFE MANAGEMENT AREA... BUTTE... MIDWAY... SPENCER DAM... BRISTOW... LYNCH... REDBIRD STATE WILDLIFE MANAGEMENT AREA... GROSS... HIGHWAY 11 MILE MARKER 160... HIGHWAY 11 MILE MARKER 170... HIGHWAY 281 MILE MARKER 190... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. SPRINGER
The Sioux Falls radar (KFSD), 166 km away, was scanning. The volume nearest the first event began at 23:24 UTC.
1 thunderstorm wind. Local standard time, as filed.
There were additional public reports of 45 to 55 m.p.h. wind gusts in the same area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nebraska in 2012Every state in 2012This day in weather historyWarnings in Nebraska, September 2012
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: 407618.