Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS North Platte, NE

August 28, 2021Boyd County, Nebraska

NWS North Platte, NE issued this special weather statement at Aug 28, 2021, 1:24 PM CDT for Boyd County, Nebraska. It was in force for 51 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: Aug 28, 2021, 1:24 PM CDT (18:24 UTC)
Expired: Aug 28, 2021, 2:15 PM CDT
In force: 51 min
Issued by: NWS North Platte, NE
Hail: 0.25 in
Wind: 50

County Boyd County, NE

The radar

The North Platte radar (KLNX), 167 km from the middle of the area, began a volume at 18:26 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

Aberdeen, SD (KABR), launched 12:00Z, 6.4 hours before the alert went out and 232 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: 9 J/kg
Mixed-layer CIN: -334 J/kg
Mixed-layer LCL: 1540 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 558 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 Aug 28, 12:48 PM CDT, 36 minutes earlier.

Area forecast discussion, Aug 28, 12:48 PM CDT, 36 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Aug 28, 11:43 AM CDT, 1 hour 41 minutes before

Hazardous Weather Outlook
National Weather Service North Platte NE
1143 AM CDT Sat Aug 28 2021

NEZ004>010-022>029-035>038-056>059-069>071-094-291645-
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-
1143 AM CDT Sat Aug 28 2021 /1043 AM MDT Sat Aug 28 2021/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

Thunderstorms are likely to develop this afternoon and evening as
a cold front works through the area. Some storms may be strong or
severe, primarily along and east of Highway 83. Large hail and
damaging winds are the main threats, although locally very heavy
rain will also be possible.

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

Scattered showers and thunderstorms will affect north central
Nebraska throughout the day on Monday. A few storms may be strong
with gusty winds and hail.

Additional thunderstorm chances exist Wednesday through Friday.
Severe weather potential is unclear at this time.

.SPOTTER INFORMATION STATEMENT...

Please relay any information about observed severe weather and
rainfall reports to the NWS.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

In the hours before

Special weather statement, Aug 28, 7:58 AM CDT, 5 hours 26 minutes before

Special Weather Statement
National Weather Service North Platte NE
758 AM CDT Sat Aug 28 2021

NEZ005-094-281330-
Eastern Cherry NE-Western Cherry NE-
758 AM CDT Sat Aug 28 2021

...Strong thunderstorms will impact portions of northeastern Cherry
County through 830 AM CDT/730 AM MDT/...

At 758 AM CDT/658 AM MDT/, Doppler radar was tracking strong
thunderstorms along a line extending from near Cody to Valentine.
Movement was northeast at 50 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Valentine, Cody, Kilgore, Nenzel, Crookston, Cody Lake and Highway 97
crossing the Niobrara River.

This includes the following highways...
 Highway 20 between mile markers 152 and 200.
 Highway 97 between mile markers 134 and 141.
 Highway 83 between mile markers 213 and 222.
 Highway 12 between mile markers 1 and 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4280 10054 4283 10150 4300 10132 4300 10030
TIME...MOT...LOC 1258Z 243DEG 42KT 4289 10128 4287 10059

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Snively

Special weather statement, Aug 28, 8:29 AM CDT, 4 hours 55 minutes before

Special Weather Statement
National Weather Service North Platte NE
829 AM CDT Sat Aug 28 2021

NEZ005-006-008-281415-
Brown NE-Eastern Cherry NE-Keya Paha NE-
829 AM CDT Sat Aug 28 2021

...Strong thunderstorms will impact portions of northeastern Cherry,
northwestern Brown and northwestern Keya Paha Counties through 915 AM
CDT...

At 828 AM CDT, Doppler radar was tracking strong thunderstorms
extending from near Littleburg to 9 miles east of Merritt Reservoir.
Movement was northeast at 40 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Sparks, Smith Falls State Park and Schlagel Creek State Wildlife
Management Area.

This includes the following highways...
 Highway 20 between mile markers 199 and 208.
 Highway 83 between mile markers 201 and 207.
 Highway 12 between mile markers 10 and 27.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4289 10006 4263 10077 4300 10036 4299 9995
TIME...MOT...LOC 1328Z 240DEG 35KT 4300 10038 4270 10070

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Sporer

Special weather statement, Aug 28, 8:49 AM CDT, 4 hours 35 minutes before

Special Weather Statement
National Weather Service North Platte NE
749 AM MDT Sat Aug 28 2021

NEZ022>024-035-094-281430-
Hooker NE-Grant NE-Arthur NE-Western Cherry NE-Garden NE-
749 AM MDT Sat Aug 28 2021

...A strong thunderstorm will impact portions of northwestern Arthur,
south central Cherry, Grant, northwestern Hooker and northeastern
Garden Counties through 830 AM MDT...

At 749 AM MDT, Doppler radar was tracking a strong thunderstorm 13
miles south of Ashby, or 21 miles northwest of Arthur, moving
northeast at 45 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Hyannis, Whitman, Carr Lake, Duluth, Hire, Swede Lake, Pratt Lake,
Spring Valley Lake, Hecla and Weir.

This includes the following highways...
 Highway 2 between mile markers 142 and 176.
 Highway 61 between mile markers 137 and 162.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4166 10188 4188 10209 4224 10137 4199 10115
TIME...MOT...LOC 1349Z 238DEG 38KT 4183 10191

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Sporer

Special weather statement, Aug 28, 9:39 AM CDT, 3 hours 45 minutes before

Special Weather Statement
National Weather Service North Platte NE
839 AM MDT Sat Aug 28 2021

NEZ094-281500-
Western Cherry NE-
839 AM MDT Sat Aug 28 2021

...A strong thunderstorm will impact portions of northwestern Cherry
County through 900 AM MDT...

At 838 AM MDT, Doppler radar was tracking a strong thunderstorm near
Cody, or 24 miles southeast of Martin, moving northeast at 45 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Cody Lake.

This includes Highway 20 between mile markers 152 and 157.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4288 10136 4299 10147 4300 10122 4299 10121
TIME...MOT...LOC 1438Z 232DEG 39KT 4299 10132

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Sporer

Special weather statement, Aug 28, 12:39 PM CDT, 45 minutes before

Special Weather Statement
National Weather Service North Platte NE
1239 PM CDT Sat Aug 28 2021

NEZ006-009-281815-
Rock NE-Keya Paha NE-
1239 PM CDT Sat Aug 28 2021

...A strong thunderstorm will impact portions of northwestern Rock
and eastern Keya Paha Counties through 115 PM CDT...

At 1238 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles east of Springview, moving northeast at 35 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Burton, Nets Peak, Mills and Brocksburg.

This includes Highway 12 near mile marker 61, and between mile
markers 63 and 86.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4300 9925 4284 9926 4269 9962 4284 9975
      4300 9950
TIME...MOT...LOC 1738Z 237DEG 30KT 4282 9958

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

Sporer

Special weather statement, Aug 28, 1:24 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service North Platte NE
124 PM CDT Sat Aug 28 2021

NEZ006-007-009-010-281915-
Holt NE-Rock NE-Keya Paha NE-Boyd NE-
124 PM CDT Sat Aug 28 2021

...Strong thunderstorms will impact portions of northeastern Rock,
northwestern Holt, northeastern Keya Paha and Boyd Counties through
215 PM CDT...

At 123 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles west of Naper to 8 miles northwest of
Newport. Movement was east at 40 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Spencer, Butte, Naper, Dustin, Anoka, Mariaville, Parshall Bridge
State Wildlife Management Area, Hull Lake State Wildlife Management
Area and Anncar.

This includes the following highways...
 Highway 281 between mile markers 212 and 223.
 Highway 12 between mile markers 84 and 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4279 9869 4268 9942 4300 9929 4300 9859
TIME...MOT...LOC 1823Z 248DEG 37KT 4297 9926 4271 9939

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Sporer

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 12:56 AM CDT	Special Weather Statement	LBF	Garden	49 min
Aug 28, 1:36 AM CDT	Special Weather Statement	LBF	Garden, Grant	39 min
Aug 28, 2:14 AM CDT	Special Weather Statement	LBF	Garden, Grant	46 min
Aug 28, 2:35 AM CDT	Special Weather Statement	LBF	Cherry	25 min
Aug 28, 2:45 AM CDT	Severe Thunderstorm Warning	LBF	Cherry	45 min
Aug 28, 2:59 AM CDT	Special Weather Statement	LBF	Garden, Grant	31 min
Aug 28, 3:27 AM CDT	Severe Thunderstorm Warning	LBF	Cherry, Keya Paha	33 min
Aug 28, 3:30 AM CDT	Special Weather Statement	LBF	Grant	60 min
Aug 28, 3:32 AM CDT	Special Weather Statement	LBF	Cherry	58 min
Aug 28, 3:58 AM CDT	Special Weather Statement	LBF	Keya Paha	62 min
Aug 28, 4:29 AM CDT	Special Weather Statement	LBF	Hooker	61 min
Aug 28, 4:59 AM CDT	Special Weather Statement	LBF	Cherry	46 min
Aug 28, 7:04 AM CDT	Special Weather Statement	LBF	Cherry	56 min
Aug 28, 8:49 AM CDT	Special Weather Statement	LBF	Grant	41 min
Aug 28, 12:39 PM CDT	Special Weather Statement	LBF	Keya Paha	36 min
Aug 28, 1:53 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	37 min
Aug 28, 4:17 PM CDT	Severe Thunderstorm Warning	LBF	Custer	43 min
Aug 28, 4:46 PM CDT	Special Weather Statement	LBF	Frontier	44 min
Aug 28, 5:02 PM CDT	Special Weather Statement	LBF	Custer	43 min
Aug 28, 5:12 PM CDT	Special Weather Statement	LBF	Lincoln	33 min
Aug 28, 5:25 PM CDT	Special Weather Statement	LBF	Loup	50 min
Aug 28, 5:29 PM CDT	Severe Thunderstorm Warning	LBF	Custer	46 min
Aug 28, 5:30 PM CDT	Special Weather Statement	LBF	Frontier	30 min
Aug 28, 5:37 PM CDT	Special Weather Statement	LBF	Blaine	38 min
Aug 28, 5:46 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Garfield, Holt, Loup, Rock	59 min
Aug 28, 6:15 PM CDT	Severe Thunderstorm Warning	LBF	Custer	45 min
Aug 28, 6:16 PM CDT	Special Weather Statement	LBF	Logan	29 min
Aug 28, 6:18 PM CDT	Special Weather Statement	LBF	Custer	42 min
Aug 28, 6:21 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Logan	39 min
Aug 28, 6:35 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Blaine, Custer, Garfield, Holt, Loup, Rock	40 min
Aug 28, 6:42 PM CDT	Special Weather Statement	LBF	Frontier	33 min
Aug 28, 6:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Garfield, Loup	48 min
Aug 28, 6:57 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Logan	48 min

Nearby

Special Weather Statements in Nebraska, 2021 Every special weather statement in 2021

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.