Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS North Platte, NE

August 31, 2021Wheeler County, Nebraska

NWS North Platte, NE issued this special weather statement at Aug 31, 2021, 4:58 AM CDT for Wheeler County, Nebraska. It was in force for 17 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 31, 2021, 4:58 AM CDT (09:58 UTC)
Expired: Aug 31, 2021, 5:15 AM CDT
In force: 17 min
Issued by: NWS North Platte, NE
Hail: 0.25 in
Wind: 40

County Wheeler County, NE

The radar

The Grand Island radar (KUEX), 164 km from the middle of the area, began a volume at 09:58 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

Omaha, NE (KOAX), launched 00:00Z, 10.0 hours before the alert went out and 184 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: 1443 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1305 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.5

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 31, 4:56 AM CDT, 2 minutes earlier.

Area forecast discussion, Aug 31, 4:56 AM CDT, 2 minutes before

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Hazardous weather outlook, Aug 31, 4:40 AM CDT, 18 minutes before

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In the hours before

Special weather statement, Aug 31, 2:43 AM CDT, 2 hours 15 minutes before

Special Weather Statement
National Weather Service North Platte NE
243 AM CDT Tue Aug 31 2021

NEZ005>010-310830-
Brown NE-Eastern Cherry NE-Holt NE-Rock NE-Keya Paha NE-Boyd NE-
243 AM CDT Tue Aug 31 2021

...Strong thunderstorms will impact portions of east central Cherry,
northern Rock, Brown, northwestern Holt, Keya Paha and western Boyd
Counties through 330 AM CDT...

At 243 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 7 miles south of Millboro to 12 miles west of
Johnstown. Movement was southeast at 45 mph.

HAZARD...Wind gusts of 50 to 55 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...
Ainsworth, Bassett, Springview, Long Pine, Newport, Naper, Johnstown,
Norden, Wood Lake, Burton, Hofeld Lake, Raven, Bobcat State Wildlife
Management Area, Thomas Creek State Wildlife Management Area,
Mariaville, Pine Glen State Wildlife Refuge, Antelope Peak, Mills,
Brocksburg and Nets Peak.

This includes the following highways...
 Highway 183 between mile markers 171 and 225.
 Highway 20 between mile markers 216 and 269.
 Highway 12 between mile markers 27 and 100.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central Nebraska.

&&

LAT...LON 4273 9918 4214 9985 4258 10044 4300 9999
      4300 9907
TIME...MOT...LOC 0743Z 302DEG 37KT 4296 9991 4262 10030

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

Snively

Special weather statement, Aug 31, 3:15 AM CDT, 1 hour 43 minutes before

Special Weather Statement
National Weather Service North Platte NE
315 AM CDT Tue Aug 31 2021

NEZ010-029-310900-
Wheeler NE-Holt NE-
315 AM CDT Tue Aug 31 2021

...A strong thunderstorm will impact portions of southeastern Holt
and northeastern Wheeler Counties through 400 AM CDT...

At 315 AM CDT, Doppler radar was tracking a strong thunderstorm near
Page, or 15 miles southeast of O'neill, moving southeast at 55 mph.

HAZARD...Winds in excess of 40 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...
O'neill, O'Neill, Ewing, Chambers, Page, Amelia, Inman, Knievels
Corner and Goose Lake State Wildlife Management Area.

This includes the following highways...
 Highway 20 between mile markers 301 and 328.
 Highway 281 between mile markers 159 and 186.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central Nebraska.

&&

LAT...LON 4225 9901 4245 9891 4258 9830 4196 9830
TIME...MOT...LOC 0815Z 297DEG 47KT 4235 9837

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

Snively

Special weather statement, Aug 31, 3:28 AM CDT, 1 hour 30 minutes before

Special Weather Statement
National Weather Service North Platte NE
328 AM CDT Tue Aug 31 2021

NEZ006>010-027-028-310930-
Brown NE-Loup NE-Holt NE-Garfield NE-Rock NE-Keya Paha NE-Boyd NE-
328 AM CDT Tue Aug 31 2021

...Strong thunderstorms will impact portions of Rock, northeastern
Loup, southeastern Brown, northern Garfield, Holt, eastern Keya Paha
and Boyd Counties through 430 AM CDT...

At 327 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles southwest of Naper to 13 miles south of
Long Pine. Movement was east at 45 mph.

HAZARD...Wind gusts of 50 to 55 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...
O'Neill, Bassett, Spencer, Atkinson, Stuart, Butte, Long Pine,
Chambers, Lynch, Newport, Naper, Gross, Rose, Amelia, Inman,
Bristow, Emmet, Dustin and Anoka.

This includes the following highways...
 Highway 183 between mile markers 151 and 196.
 Highway 20 between mile markers 246 and 315.
 Highway 281 between mile markers 169 and 223.
 Highway 12 between mile markers 73 and 144.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central Nebraska.

&&

LAT...LON 4293 9844 4293 9841 4288 9831 4264 9831
      4192 9893 4222 9986 4244 9989 4300 9938
      4300 9850
TIME...MOT...LOC 0827Z 287DEG 41KT 4289 9923 4234 9971

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

Snively

Special weather statement, Aug 31, 3:50 AM CDT, 1 hour 8 minutes before

Special Weather Statement
National Weather Service North Platte NE
350 AM CDT Tue Aug 31 2021

NEZ009-027-028-310930-
Loup NE-Garfield NE-Rock NE-
350 AM CDT Tue Aug 31 2021

...A strong thunderstorm will impact portions of south central Rock,
central Loup and southwestern Garfield Counties through 430 AM CDT...

At 349 AM CDT, Doppler radar was tracking a strong thunderstorm 9
miles south of Rose, or 19 miles north of Taylor, moving southeast at
50 mph.

HAZARD...Wind gusts of 50 to 55 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...
Burwell, Calamus Reservoir State Recreation Area, Fox Bayou,
Homestead Knolls Campground, Virginia Smith Dam, Horseshoe Bend Lake,
Hannamon Bayou Campground, Nunda Shoal Campground, Deverre and Valley
View Flat Campground.

This includes Highway 183 between mile markers 129 and 150.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central Nebraska.

&&

LAT...LON 4190 9888 4174 9903 4174 9919 4199 9966
      4213 9958
TIME...MOT...LOC 0849Z 295DEG 42KT 4204 9948

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...55 MPH

Snively

Special weather statement, Aug 31, 4:20 AM CDT, 38 minutes before

Special Weather Statement
National Weather Service North Platte NE
420 AM CDT Tue Aug 31 2021

NEZ010-028-029-311000-
Wheeler NE-Holt NE-Garfield NE-
420 AM CDT Tue Aug 31 2021

...Strong thunderstorms will impact portions of Garfield,
southeastern Holt and Wheeler Counties through 500 AM CDT...

At 420 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 9 miles north of Page to 7 miles northeast of
Burwell. Movement was southeast at 55 mph.

HAZARD...Wind gusts of 50 to 55 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...
O'Neill, Burwell, Ewing, Chambers, Page, Bartlett, Ericson, Inman,
Knievels Corner, Buffalo Flats, Sunfish Lake, Cumminsville, Four
Corners, Pibel Lake State Recreation Area, Opportunity, Goose Lake
State Wildlife Management Area, Deverre and Gables.

This includes the following highways...
 Highway 20 between mile markers 306 and 328.
 Highway 281 between mile markers 132 and 185.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
north central Nebraska.

&&

LAT...LON 4174 9919 4202 9919 4269 9842 4265 9831
      4174 9830
TIME...MOT...LOC 0920Z 297DEG 49KT 4254 9839 4188 9907

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...55 MPH

Snively

Special weather statement, Aug 31, 4:58 AM CDT, 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
Aug 30, 7:57 PM CDT	Special Weather Statement	LBF	Frontier	48 min
Aug 30, 9:47 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	43 min
Aug 30, 10:29 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Cherry	46 min
Aug 30, 10:33 PM CDT	Special Weather Statement	LBF	Keya Paha	42 min
Aug 30, 10:55 PM CDT	Areal Flood Advisory	LBF	Cherry	54 min
Aug 30, 11:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Cherry	49 min
Aug 30, 11:24 PM CDT	Special Weather Statement	LBF	Holt	51 min
Aug 30, 11:55 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	50 min
Aug 31, 12:42 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LBF	Brown, Cherry	48 min
Aug 31, 1:20 AM CDT	Special Weather Statement	LBF	Brown	40 min
Aug 31, 1:37 AM CDT	Special Weather Statement	LBF	Boyd	53 min
Aug 31, 1:59 AM CDT	Special Weather Statement	LBF	Keya Paha	46 min
Aug 31, 2:32 AM CDT	Special Weather Statement	LBF	Holt	43 min
Aug 31, 2:43 AM CDT	Special Weather Statement	LBF	Brown, Keya Paha	47 min
Aug 31, 3:15 AM CDT	Special Weather Statement	LBF	Holt	45 min
Aug 31, 3:28 AM CDT	Special Weather Statement	LBF	Boyd, Holt, Rock	62 min
Aug 31, 3:50 AM CDT	Special Weather Statement	LBF	Garfield	40 min
Aug 31, 4:20 AM CDT	Special Weather Statement	LBF	Garfield, Wheeler	40 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.