Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS North Platte, NE

July 28, 2016Deuel County, Nebraska

NWS North Platte, NE issued this special weather statement at Jul 28, 2016, 6:46 AM MDT for Deuel County, Nebraska. It was in force for 44 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: Jul 28, 2016, 6:46 AM MDT (12:46 UTC)
Expired: Jul 28, 2016, 7:30 AM MDT
In force: 44 min
Issued by: NWS North Platte, NE

County Deuel County, NE

The radar

The North Platte radar (KLNX), 178 km from the middle of the area, began a volume at 12:49 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, 0.8 hours before the alert went out and 137 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: 405 J/kg
Mixed-layer CIN: -177 J/kg
Mixed-layer LCL: 894 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 66 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

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 Jul 28, 6:09 AM MDT, 37 minutes earlier.

Area forecast discussion, Jul 28, 6:09 AM MDT, 37 minutes before

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Hazardous weather outlook, Jul 28, 4:25 AM MDT, 2 hours 21 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NORTH PLATTE NE
525 AM CDT THU JUL 28 2016

NEZ004>010-022>029-035>038-056>059-069>071-094-291030-
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-
525 AM CDT THU JUL 28 2016 /425 AM MDT THU JUL 28 2016/

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

.DAY ONE...TODAY AND TONIGHT.

AN ACTIVE SEVERE WEATHER DAY IS EXPECTED TODAY AND TONIGHT. THE
AREA OF GREATEST CONCERN FOR SEVERE WEATHER IS GENERALLY ALONG
AND WEST OF A LINE FROM ELLSWORTH TO NORTH PLATTE TO MOOREFIELD.
TWO OR THREE ROUNDS OF THUNDERSTORMS ARE EXPECTED...ONE THIS
MORNING...ANOTHER IN THE AFTERNOON AND PERHAPS A THIRD TONIGHT.

HAIL TWO INCHES IN DIAMETER IS THE PRIMARY THREAT AND THIS IS
MOST LIKELY ACROSS PARTS OF DEUEL...PERKINS AND CHASE COUNTIES.
WIND DAMAGE IS ALSO A SIGNIFICANT THREAT. AN ISOLATED TORNADO IS
POSSIBLE. SOME STORMS MAY ALSO BE CAPABLE OF LOCALLY HEAVY
RAINFALL AND THIS COULD PRODUCE FLOODING ACROSS SOUTHWEST
NEBRASKA SOUTH OF INTERSTATE 80.

NOTE THE FORECAST IS BASED ON THE EXPECTED TRACK OF STORMS
FORMING ACROSS THE CENTRAL AND NORTHERN HIGH PLAINS. AN EASTWARD
JOG IN THE TRACK OF STORMS COULD PRESENT A SIGNIFICANT SEVERE
WEATHER THREAT FARTHER EAST ACROSS THE SANDHILLS AND PARTS OF
NORTH CENTRAL NEBRASKA...PERHAPS AS FAR EAST AS
VALENTINE...BREWSTER AND BROKEN BOW.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

ISOLATED THUNDERSTORMS ARE POSSIBLE FRIDAY THROUGH WEDNESDAY.
STRONG WINDS ALOFT FRIDAY THROUGH SUNDAY COULD SUPPORT ISOLATED
STRONG TO SEVERE THUNDERSTORMS CAPABLE OF LARGE HAIL AND WIND
DAMAGE. SATURDAY WOULD APPEAR TO BE THE MOST FAVORABLE DAY FOR
SEVERE WEATHER ACROSS THE SANDHILLS...GENERALLY NORTH OF
INTERSTATE 80.

WINDS ALOFT DECREASE MONDAY THROUGH WEDNESDAY SUGGESTING THE
POTENTIAL FOR SEVERE WEATHER WILL BE LOW.

HOT AND HUMID WEATHER RETURNS MONDAY WITH HEAT INDICES IN THE
UPPER 90S...POSSIBLY HIGHER.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE BE NEEDED TODAY AND THIS EVENING...MAINLY
ACROSS SOUTHWEST NEBRASKA.

&&

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

In the hours before

Special weather statement, Jul 28, 1:49 AM MDT, 4 hours 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
249 AM CDT THU JUL 28 2016

NEZ069-070-280830-
CHASE NE-HAYES NE-
249 AM CDT THU JUL 28 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN HAYES...CHASE AND
SOUTHEASTERN PERKINS COUNTIES UNTIL 330 AM CDT/230 AM MDT/...

AT 248 AM CDT/148 AM MDT/...DOPPLER RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM LAMAR TO 10 MILES SOUTH OF
MADRID. MOVEMENT WAS SOUTHEAST AT 35 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
IMPERIAL...WAUNETA...LAMAR...ENDERS...CHAMPION...ENDERS RESERVOIR
STATE RECREATION AREA...CHASE...HAMLET...CHURCH GROVE
CAMPGROUND...AREA A CAMPGROUND...CRETE...CENTER DAM CAMPGROUND AND
WANAMAKER STATE WILDFIRE MANAGEMENT AREA.

THIS INCLUDES HIGHWAY 61 BETWEEN MILE MARKERS 25 AND 53.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 4035 10203 4068 10204 4070 10136 4035 10105
TIME...MOT...LOC 0748Z 319DEG 30KT 4057 10194 4070 10158

CDC

Special weather statement, Jul 28, 2:24 AM MDT, 4 hours 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
324 AM CDT THU JUL 28 2016

NEZ069-070-280915-
CHASE NE-HAYES NE-
324 AM CDT THU JUL 28 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN HAYES AND
SOUTHEASTERN CHASE COUNTIES UNTIL 415 AM CDT/315 AM MDT/...

AT 324 AM CDT/224 AM MDT/...DOPPLER RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 7 MILES SOUTH OF CHAMPION
TO NEAR IMPERIAL. MOVEMENT WAS SOUTHEAST AT 30 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
IMPERIAL...WAUNETA...CHAMPION...ENDERS RESERVOIR STATE RECREATION
AREA...ENDERS...HAMLET...CHURCH GROVE CAMPGROUND...CENTER DAM
CAMPGROUND...WANAMAKER STATE WILDFIRE MANAGEMENT AREA AND AREA A
CAMPGROUND.

THIS INCLUDES HIGHWAY 61 BETWEEN MILE MARKERS 25 AND 45.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 4035 10182 4055 10169 4061 10160 4035 10116
TIME...MOT...LOC 0824Z 324DEG 26KT 4036 10167 4049 10158

CDC

Special weather statement, Jul 28, 6:46 AM MDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 6:52 PM MDT	Severe Thunderstorm Warning	LBF	Custer	38 min
Jul 27, 7:05 PM MDT	Special Weather Statement	LBF	Keya Paha	40 min
Jul 27, 7:42 PM MDT	Special Weather Statement	LBF	Boyd	48 min
Jul 27, 10:00 PM MDT	Special Weather Statement	LBF	Hayes	45 min
Jul 28, 1:49 AM MDT	Special Weather Statement	LBF	Chase	41 min
Jul 28, 2:24 AM MDT	Special Weather Statement	LBF	Chase	51 min
Jul 28, 5:58 AM MDT	Severe Thunderstorm Warning	LBF	Deuel, Garden	47 min
Jul 28, 12:32 PM MDT	Special Weather Statement	LBF	Chase	43 min
Jul 28, 5:33 PM MDT	Special Weather Statement	LBF	Keya Paha	42 min

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.