Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS North Platte, NE

May 10, 2016Boyd County, Nebraska

NWS North Platte, NE issued this special weather statement at May 10, 2016, 3:10 PM CDT for Boyd County, Nebraska. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 10, 2016, 3:10 PM CDT (20:10 UTC)
Expired: May 10, 2016, 3:45 PM CDT
In force: 35 min
Issued by: NWS North Platte, NE

County Boyd County, NE

The radar

The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 20:10 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.2 hours before the alert went out and 230 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1601 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, 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 this special weather statement went out at May 10, 12:36 PM CDT, 2 hours 34 minutes earlier.

Area forecast discussion, May 10, 12:36 PM CDT, 2 hours 34 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1236 PM CDT TUE MAY 10 2016

.SYNOPSIS...
ISSUED AT 345 AM CDT TUE MAY 10 2016

CLOSED LOW OVER YELLOWSTONE EARLY THIS MORNING WITH A STRONG WAVE
EXTENDING FROM EASTERN MONTANA INTO MISSOURI. RIDGE EXTENDING FROM
TENNESSEE THROUGH THE GREAT LAKES.

&&

.SHORT TERM...(TODAY AND TONIGHT)
ISSUED AT 345 AM CDT TUE MAY 10 2016

MODELS DOING A FAIR JOB AND WILL USE A BLEND FOR THE FORECAST.
ONGOING FOG IN LOW LYING AREAS ALONG THE PLATTE RIVER VALLEY WILL
CONTINUE THROUGH MID MORNING WITH TD TEMPERATURE SPREADS VERY LOW.
SOME WATER PROBLEMS OVER NORTH CENTRAL NEBRASKA EARLY THIS MORNING.

UPPER LOW PROGGED TO SHIFT EAST NORTHEAST THROUGH THE DAY TODAY WITH
AN UPPER JET ROUNDING THE TROUGH AND COMING ACROSS THE NEBRASKA
PANHANDLE WESTERN SANDHILLS THROUGH THE DAY. MARGINAL THUNDERSTORMS
FROM NEWPORT TO CURTIS AND EAST TODAY. UNSTABLE THIS AFTERNOON WITH
SB CAPES FROM 500 TO 1500 J/KG^2 THIS AFTERNOON AND EVENING ALONG
THE MARGINAL LINE. LOW LEVEL JET NON EXISTENT. PWS LAST NIGHT 0.64
OR 114 PERCENT OF NORMAL. THINGS DRYING OUT A LITTLE TODAY WITH
TDS FROM IMPERIAL TO AINSWORTH AND EAST IN THE 40S WITH 30S TO THE
WEST. HIGHS TODAY IN THE 60S AND 70S AND LOWS TONIGHT IN THE 40S
WITH SOME 30S OVER SHERIDAN COUNTY.

.LONG TERM...(WEDNESDAY THROUGH MONDAY)
ISSUED AT 345 AM CDT TUE MAY 10 2016

UPPER LEVEL LOW PRESSURE WILL QUICKLY LIFT NORTHEAST INTO CANADA
WEDNESDAY...WITH MORNING SHOWER CHANCES ACROSS NORTH CENTRAL
NEBRASKA FADING BY NOON. A COUPLE OF DRY DAYS ARE THEN EXPECTED
THURSDAY AND FRIDAY AS SURFACE HIGH PRESSURE BUILDS ACROSS THE AREA.
SHOULD BE PLENTY OF SUN TOO...AS RELATIVE HUMIDITY ALOFT IS QUITE
LOW. HAVE BOOSTED HIGH A FEW DEGREES THURSDAY...AS A THERMAL RIDGE
ALOFT OVERSPREADS THE AREA AHEAD OF THE NEXT SYSTEM. ECMWF IS
SUPPORTING HIGHS WELL INTO THE 70S ACROSS WESTERN NEBRASKA...AS
H850MB TEMPS RISE TO NEAR 15C BY 13/00Z FRIDAY. AS MENTIONED...THE
NEXT SYSTEM WILL ARRIVE FRIDAY IN THE FORM OF A QUICK MOVING
SHORTWAVE ALOFT CROSSING THE NORTHERN PLAINS. THIS WILL DRIVE A
CANADIAN COLD FRONT SOUTH THROUGH THE AREA...WITH HIGHS ONLY IN THE
UPPER 50S AND LOWER 60S BEHIND THE FRONT DURING THE WEEKEND. THERE
WILL BE AN INCREASE IN CLOUD COVER DURING THE WEEKEND...ALONG WITH
CHANCES FOR SHOWERS RETURNING. THIS WILL BE MOSTLY DUE TO INCREASING
MID LEVEL FRONTOGENESIS WITHIN NORTHWEST FLOW ALOFT. BY EARLY NEXT
WEEK A LONG WAVE TROUGH BEGINS TO DEVELOP ACROSS THE WESTERN
CONUS...WITH WEST TO SOUTHWEST FLOW ALOFT DEVELOPING. MODELS/GEFS
CONTINUE TO INDICATE A SHOWERY AND COOL PATTERN THE FIRST OF NEXT
WEEK AS THIS OCCURS.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z WEDNESDAY AFTERNOON)
ISSUED AT 1235 PM CDT TUE MAY 10 2016

QUIET AVIATION CONDITIONS FOR THE FIRST PART OF THE AFTERNOON WILL
GIVE WAY TO THUNDERSTORM DEVELOPMENT LATER IN THE AFTERNOON. CURRENT
SATELLITE IMAGERY IS ALREADY SHOWING GROWING CUMULUS DEVELOPMENT
JUST SOUTHEAST OF VALENTINE. VISIBILITIES ARE EXPECTED TO DIMINISH
IN ANY THUNDERSTORM OR RAIN SHOWERS. ACROSS THE NORTH PLATTE
TERMINAL...RAIN SHOWERS AND THUNDERSTORMS ARE ALSO EXPECTED TO
DEVELOP LATE AFTERNOON AND EARLY EVENING. WHILE THUNDERSTORMS ARE
NOT EXPECTED TO BE SEVERE...STRONG WINDS...FREQUENT LIGHTNING AND
LARGE HAIL ARE POSSIBLE. CONDITIONS QUIET DOWN OVERNIGHT WITH RISING
CEILINGS AND DIMINISHING WINDS.

&&

.HYDROLOGY...
ISSUED AT 345 AM CDT TUE MAY 10 2016

FORECASTS ON THE NORTH PLATTE RIVER BETWEEN LISCO AND LEWELLEN WERE
BROUGHT DOWN. MINOR FLOODING IS EXPECTED.

ON THE SOUTH PLATTE BOTH ROSCOE AND NORTH PLATTE WILL CONTINUE SLOW
RISE IN BANKFULL.

REPORTS OF WATER COVERING ROADS IN NORTHEAST HOLT AND BOYD COUNTIES
PROMPTED FLASH FLOOD WARNINGS LAST NIGHT. WILL LET HIGHLIGHTS GO
THIS MORNING. SAME AREA COULD SEE CONVECTION AGAIN THIS EVENING.

&&

.LBF WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH LATE TONIGHT FOR NEZ006-007-009-010-
027>029-038.

&&

SYNOPSIS...POWER
SHORT TERM...POWER
LONG TERM...TAYLOR
AVIATION...KULIK
HYDROLOGY...POWER

Hazardous weather outlook, May 10, 4:51 AM CDT, 10 hours 19 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
451 AM CDT TUE MAY 10 2016

NEZ004>010-022>029-035>038-056>059-069>071-094-111000-
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-
451 AM CDT TUE MAY 10 2016 /351 AM MDT TUE MAY 10 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND
NORTH CENTRAL NEBRASKA.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND THIS EVENING EAST OF
A LINE FROM AINSWORTH TO IMPERIAL. ALTHOUGH EXPECTED TO REMAIN
BELOW SEVERE LIMITS SOME OF THE STORMS MAY PRODUCE LARGE HAIL AND
DAMAGING THUNDERSTORM WINDS.

THE NORTH PLATTE RIVER UPSTREAM OF LAKE MCCONAUGHY WILL SEE A SLOW
RISE TODAY AND TONIGHT. MINOR FLOODING WILL OCCUR ALONG THE NORTH
PLATTE RIVER NEAR LEWELLEN WHILE LISCO WILL REMAIN ELEVATED.

THE SOUTH PLATTE RIVER IN WESTERN NEBRASKA WILL REMAIN ELEVATED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THE NORTH PLATTE RIVER UPSTREAM OF LAKE MCCONAUGHY WILL SEE
RISES THROUGH THE END OF THE WEEK DUE TO INCREASED RESERVOIR
RELEASES IN WYOMING. THE NORTH PLATTE RIVER BETWEEN LISCO AND
LEWELLEN ARE FORECAST TO BE IN MINOR FLOODING THROUGH THE END OF
THE WEEK.

THE SOUTH PLATTE RIVER IN WESTERN NEBRASKA WILL REMAIN ELEVATED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

&&

GET YOUR WEATHER...HYDROLOGICAL...AND CLIMATE INFORMATION AT
HTTP://WWW.WEATHER.GOV/NORTHPLATTE (ALL LOWERCASE)

POWER

In the hours before

Local storm report, May 10, 9:15 AM CDT, 5 hours 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
915 AM CDT TUE MAY 10 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0914 AM     HEAVY RAIN       13 SW BRISTOW           42.71N 98.76W
05/10/2016  M3.65 INCH       HOLT               NE   PUBLIC

            MINOR WASHOUT ALONG THE EDGE OF ROADWAY.

&&

MOLDAN

Local storm report, May 10, 9:42 AM CDT, 5 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
942 AM CDT TUE MAY 10 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0941 AM     HEAVY RAIN       4 SW BRISTOW            42.80N 98.64W
05/10/2016  M4.25 INCH       HOLT               NE   PUBLIC

            MINOR WASHOUTS ON LOCAL ROADWAYS

&&

MOLDAN

Special weather statement, May 10, 3:10 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
310 PM CDT TUE MAY 10 2016

NEZ007-010-102045-
HOLT NE-BOYD NE-
310 PM CDT TUE MAY 10 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWEST HOLT AND BOYD
COUNTIES UNTIL 345 PM CDT...

AT 306 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 10
MILES NORTH OF STUART...OR 23 MILES NORTHEAST OF BASSETT...MOVING
NORTHEAST AT 25 MPH.

HALF INCH HAIL WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BUTTE...NAPER...DUSTIN AND ANOKA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

VERY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4263 9913 4275 9925 4300 9915 4300 9875
      4299 9875
TIME...MOT...LOC 2006Z 220DEG 20KT 4276 9915

JWS

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 7:31 PM CDT	Severe Thunderstorm Warning	LBF	Logan, McPherson	44 min
May 9, 8:19 PM CDT	Severe Thunderstorm Warning	LBF	Logan	22 min
May 9, 8:29 PM CDT	Special Weather Statement	LBF	McPherson	46 min
May 9, 8:40 PM CDT	Severe Thunderstorm Warning	LBF	Logan, McPherson	50 min
May 9, 9:00 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln, Logan, McPherson	60 min
May 9, 9:11 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	34 min
May 9, 9:21 PM CDT	Special Weather Statement	LBF	Holt	39 min
May 9, 9:53 PM CDT	Special Weather Statement	LBF	Boyd	52 min
May 9, 9:55 PM CDT	Special Weather Statement	LBF	Lincoln	50 min
May 9, 9:58 PM CDT	Special Weather Statement	LBF	Rock	47 min
May 9, 10:31 PM CDT	Severe Thunderstorm Warning	LBF	Holt	29 min
May 9, 10:42 PM CDT	Special Weather Statement	LBF	Logan	33 min
May 9, 11:08 PM CDT	Severe Thunderstorm Warning	LBF	Holt	37 min
May 9, 11:10 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Rock	35 min
May 9, 11:14 PM CDT	Special Weather Statement	LBF	Logan	31 min
May 9, 11:52 PM CDT	Areal Flood Advisory	LBF	Holt	6 hr
May 10, 12:11 AM CDT	Flash Flood Warning	LBF	Boyd, Holt	6 hr
May 10, 12:53 PM CDT	Flash Flood Watch	LBF	Boyd, Custer, Garfield, Holt, Keya Paha, Loup and 2 more	17 hr
May 10, 3:24 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	36 min
May 10, 4:10 PM CDT	Special Weather Statement	LBF	Holt	35 min
May 10, 5:57 PM CDT	Areal Flood Warning	LBF	Holt	48 hr

Nearby

Special Weather Statements in Nebraska, 2016 Every special weather statement in 2016

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.