Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS North Platte, NE

May 7, 2016Lincoln County, Nebraska

NWS North Platte, NE issued this special weather statement at May 7, 2016, 6:53 PM CDT for Lincoln County, Nebraska. It was in force for 37 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 7, 2016, 6:53 PM CDT (23:53 UTC)
Expired
May 7, 2016, 7:30 PM CDT
In force
37 min
Issued by
NWS North Platte, NE

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 95 km from the middle of the area, began a volume at 23:53 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

Denver, CO (KDEN), launched 12:00Z, 11.9 hours before the alert went out and 239 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-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2016-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2016-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
5 J/kg
Mixed-layer CIN
-219 J/kg
Mixed-layer LCL
776 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 7, 3:44 PM CDT, 3 hours 9 minutes earlier.

Area forecast discussion, May 7, 3:44 PM CDT, 3 hours 9 minutes before
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Hazardous weather outlook, May 7, 5:11 PM CDT, 1 hour 42 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
511 PM CDT SAT MAY 7 2016

NEZ004>010-022>029-035>038-056>059-069>071-094-082215-
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-
511 PM CDT SAT MAY 7 2016 /411 PM MDT SAT MAY 7 2016/

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CHASE...
FRONTIER...ARTHUR...DEUEL...GARDEN...KEITH...LINCOLN...PERKINS AND
HAYES COUNTIES IN EFFECT THROUGH 10PM CDT...

...FLOOD WARNING CONTINUES FOR THE NORTH PLATTE RIVER AT
LEWELLEN...

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

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE DEVELOPING OVER NORTHEASTERN COLORADO AND
NORTHWESTERN KANSAS THIS AFTERNOON. THESE STORMS WILL CONTINUE TO
LIFT INTO SOUTHWESTERN NEBRASKA OVER THE NEXT SEVERAL HOURS. SOME
STORMS MAY BE ON THE STRONG TO SEVERE SIDE WITH LARGE HAIL BEING
THE MOST LIKELY RESULT OF ANY STORM THAT IS ALLOWED TO TAKE OFF.
AN ISOLATED TORNADO REMAINS POSSIBLE AS WELL. THE MAIN AREA OF
CONCERN FOR SEVERE STORMS IS IN CHASE...FRONTIER AND HAYES
COUNTIES THIS EVENING WITH SEVERE STORMS EVENTUALLY MOVING INTO
ARTHUR...DEUEL...GARDEN...KEITH...LINCOLN AND PERKINS COUNTIES.

RIVER LEVELS ALONG THE NORTH PLATTE RIVER UPSTREAM OF LAKE
MCCONAUGHY...AS WELL AS THE SOUTH PLATTE RIVER...WILL REMAIN
ELEVATED. MINOR FLOODING ALONG THE NORTH PLATTE RIVER NEAR
LEWELLEN AS IT IS CONINTUES TO SLOWLY RISE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

ANOTHER ROUND OF STRONG TO SEVERE THUNDERSTORMS IS POSSIBLE
SUNDAY AFTERNOON AND EVENING. AT THIS TIME...THE MAIN AREA OF
CONCERN FOR SEVERE STORMS IS EAST AND SOUTH OF A LINE FROM
SPRINGVIEW TO MULLEN TO WALLACE. LARGE HAIL WILL AGAIN BE THE
MAIN SEVERE THREAT...HOWEVER...AN ISOLATED TORNADO IS POSSIBLE AS
WELL.

THUNDERSTORMS ARE POSSIBLE MONDAY AND TUESDAY ACROSS WESTERN AND
NORTH CENTRAL NEBRASKA. AT THIS TIME...THE THREAT FOR SEVERE
STORMS IS LOW.

HIGH RIVER LEVELS WILL CONTINUE OVER THE NEXT SEVERAL DAYS ALONG
THE SOUTH PLATTE RIVER...AS WELL AS THE NORTH PLATTE RIVER
UPSTREAM OF LAKE MCCONAUGHY. MINOR FLOODING WILL CONTINUE FOR THE
NEXT SEVERAL DAYS ALONG THE NORTH PLATTE RIVER AT LEWELLEN.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING
ALONG AND SOUTH OF INTERSTATE 80...AND SUNDAY AFTERNOON AND
EVENING ALONG AND EAST OF HIGHWAY 83.

&&

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

In the hours before

Special weather statement, May 7, 5:10 PM CDT, 1 hour 43 minutes before
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Special weather statement, May 7, 6:53 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
653 PM CDT SAT MAY 7 2016

NEZ059-080030-
LINCOLN NE-
653 PM CDT SAT MAY 7 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LINCOLN COUNTY UNTIL
730 PM CDT...

AT 653 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
HERSHEY...OR 10 MILES WEST OF NORTH PLATTE...MOVING NORTH AT 45 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SUTHERLAND...HERSHEY...SUTHERLAND RESERVOIR STATE RECREATION AREA...
COKER...O'FALLONS AND BIRDWOOD.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 HIGHWAY 97 BETWEEN MILE MARKERS 6 AND 15.
 INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 159 AND 173.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
SOUTHWESTERN NEBRASKA.

LAT...LON 4100 10086 4100 10109 4138 10117 4138 10080
TIME...MOT...LOC 2353Z 185DEG 41KT 4110 10097

SNIVELY

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 8:29 PM CDTSpecial Weather StatementLBFCherry46 min
May 6, 10:19 PM CDTSpecial Weather StatementLBFGrant41 min
May 7, 9:27 AM CDTRiver Flood WarningLBFGarden, Keith48 days
May 7, 5:10 PM CDTSpecial Weather StatementLBFFrontier35 min

Nearby

Special Weather Statements in Nebraska, 2016Every 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.