Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS Goodland, KS

August 9, 2021Dundy County, Nebraska

NWS Goodland, KS issued this special weather statement at Aug 9, 2021, 4:39 PM MDT for Dundy County, Nebraska. It was in force for 36 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 9, 2021, 4:39 PM MDT (22:39 UTC)
Expired
Aug 9, 2021, 5:15 PM MDT
In force
36 min
Issued by
NWS Goodland, KS
Hail
0.50 in
Wind
30

County Dundy County, NE

The radar

The Goodland radar (KGLD), 79 km from the middle of the area, began a volume at 22:41 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.

What was reported inside it

TimeReportWhereRemark
Aug 9, 5:06 PM MDTHAIL 0.252 N Benkelman, NESPOTTER REPORT RELAYED VIA SOCIAL MEDIA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.7 hours before the alert went out and 141 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2021-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2021-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -78 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
28 J/kg
Mixed-layer CIN
-619 J/kg
Mixed-layer LCL
2573 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-78 m²/s²
0-3 km storm-relative helicity
-37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

998 
WWUS83 KGLD 092239
SPSGLD

Special Weather Statement
National Weather Service Goodland KS
439 PM MDT Mon Aug 9 2021
 
NEZ079-092315-
Dundy NE-
439 PM MDT Mon Aug 9 2021

...A strong thunderstorm will impact portions of southeastern Dundy
County through 515 PM MDT...

At 439 PM MDT, Doppler radar was tracking a strong thunderstorm near
Benkelman, moving northeast at 20 mph.

HAZARD...Winds in excess of 30 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.

This strong thunderstorm will be near...
  Benkelman around 445 PM MDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4006 10133 4000 10157 4000 10158 4006 10168
      4021 10155
TIME...MOT...LOC 2239Z 228DEG 17KT 4006 10159 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

$$

MRC

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 4:22 PM MDTSpecial Weather StatementGLDYuma23 min
Aug 9, 5:12 PM MDTSpecial Weather StatementGLDYuma33 min
Aug 9, 5:26 PM MDTSpecial Weather StatementGLDYuma34 min
Aug 9, 5:45 PM MDTSpecial Weather StatementGLDYuma45 min
Aug 9, 4:51 PM MDTSpecial Weather StatementGLDDundy24 min
Aug 9, 4:59 PM MDTSevere Thunderstorm WarningGLDDundy, Hitchcock46 min
Aug 9, 5:30 PM MDTSpecial Weather StatementGLDDundy30 min
Aug 9, 5:38 PM MDTSpecial Weather StatementGLDHitchcock37 min
Aug 9, 5:47 PM MDTSpecial Weather StatementGLDHitchcock28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.