Alert archive / Nebraska / Special Weather Statements in 2021
Special Weather Statement, NWS North Platte, NE
NWS North Platte, NE issued this special weather statement at Aug 7, 2021, 7:35 PM CDT for Blaine County, Nebraska. It was in force for 40 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 7, 2021, 7:35 PM CDT (00:35 UTC)
- Expired
- Aug 7, 2021, 8:15 PM CDT
- In force
- 40 min
- Issued by
- NWS North Platte, NE
- Hail
- 0.88 in
- Wind
- 30
County Blaine County, NE
The radar
The North Platte radar (KLNX), 46 km from the middle of the area, began a volume at 00:35 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, 0.6 hours before the alert went out and 108 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.
- Mixed-layer CAPE
- 564 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 2907 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
541 WWUS83 KLBF 080035 SPSLBF Special Weather Statement National Weather Service North Platte NE 735 PM CDT Sat Aug 7 2021 NEZ008-026-080115- Brown NE-Blaine NE- 735 PM CDT Sat Aug 7 2021 ...A strong thunderstorm will impact portions of south central Brown and northern Blaine Counties through 815 PM CDT... At 734 PM CDT, Doppler radar was tracking a strong thunderstorm 9 miles southeast of Purdum, or 12 miles west of Brewster, moving east at 15 mph. HAZARD...Nickel size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Hawley Flats. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. && LAT...LON 4193 10017 4202 10020 4219 9984 4195 9973 TIME...MOT...LOC 0034Z 257DEG 14KT 4199 10010 MAX HAIL SIZE...0.88 IN MAX WIND GUST...<30 MPH $$ CDC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:05 PM CDT | Special Weather Statement | LBF | Cherry | 40 min |
Nearby
Special Weather Statements in Nebraska, 2021Every 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.