Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS North Platte, NE

May 2, 2021Boyd County, Holt County, Nebraska

NWS North Platte, NE issued this special weather statement at May 2, 2021, 2:13 AM CDT for Boyd County, Holt County, Nebraska. It was in force for 62 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 2, 2021, 2:13 AM CDT (07:13 UTC)
Expired: May 2, 2021, 3:15 AM CDT
In force: 62 min
Issued by: NWS North Platte, NE

Counties Boyd County, NE, Holt County, NE

The radar

The North Platte radar (KLNX), 168 km from the middle of the area, began a volume at 07:15 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 00:00Z, 7.2 hours before the alert went out and 234 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: 34 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 3819 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

885 
WWUS83 KLBF 020713
SPSLBF

Special Weather Statement
National Weather Service North Platte NE
213 AM CDT Sun May 2 2021
 
NEZ006-007-009-010-020815-
Holt NE-Rock NE-Keya Paha NE-Boyd NE-
213 AM CDT Sun May 2 2021

...SPECIAL WEATHER STATEMENT...

At 212 AM CDT, Doppler radar was tracking scattered showers and 
thunderstorms along a line extending from 12 miles southwest of 
Herrick to near Newport. Movement was east at 35 mph.

Winds in excess of 30 mph will be possible with these storms.

Locations impacted include...
O'neill, Bassett, Spencer, O'Neill, Atkinson, Stuart, Butte, Newport,
Naper, Gross, Bristow, Emmet, Dustin, Anoka, Nets Peak, Hull Lake
State Wildlife Management Area, Mariaville, Mills, Brocksburg and
Spencer Dam.

This includes the following highways...
 Highway 183 between mile markers 172 and 182.
 Highway 20 between mile markers 255 and 314.
 Highway 281 between mile markers 180 and 223.
 Highway 12 between mile markers 66 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in North Platte.

&&

LAT...LON 4297 9848 4240 9855 4243 9965 4300 9956
      4300 9850
TIME...MOT...LOC 0712Z 264DEG 29KT 4298 9934 4259 9941 

$$

Jurgensen

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 10:20 PM CDT	Special Weather Statement	LBF	Arthur, Deuel, Garden, Grant, Keith	40 min
May 1, 10:34 PM CDT	Special Weather Statement	LBF	Sheridan	41 min
May 2, 1:35 AM CDT	Special Weather Statement	LBF	Brown, Keya Paha, Rock	40 min
May 2, 3:52 PM CDT	Special Weather Statement	LBF	Arthur	38 min
May 2, 5:48 PM CDT	Special Weather Statement	LBF	Frontier	42 min
May 2, 6:11 PM CDT	Special Weather Statement	LBF	Hayes	49 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.