Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS Hastings, NE

August 15, 2021Franklin County, Nebraska

NWS Hastings, NE issued this special weather statement at Aug 15, 2021, 2:21 AM CDT for Franklin County, Nebraska. It was in force for 39 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 15, 2021, 2:21 AM CDT (07:21 UTC)
Expired: Aug 15, 2021, 3:00 AM CDT
In force: 39 min
Issued by: NWS Hastings, NE
Hail: 0.50 in
Wind: 40

County Franklin County, NE

The radar

The Grand Island radar (KUEX), 34 km from the middle of the area, began a volume at 07:25 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

Time	Report	Where	Remark
Aug 15, 2:30 AM CDT	HAIL 0.88	Upland, NE	REPORT VIA FACEBOOK.

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 00:00Z, 7.4 hours before the alert went out and 179 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: 1783 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1421 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 16.9

Open this sounding in Storm Lab

The text

As transmitted.

381 
WWUS83 KGID 150721
SPSGID

Special Weather Statement
National Weather Service Hastings NE
221 AM CDT Sun Aug 15 2021
 
NEZ084-085-150800-
Franklin NE-Webster NE-
221 AM CDT Sun Aug 15 2021

...A strong thunderstorm will impact portions of northeastern
Franklin and northwestern Webster Counties through 300 AM CDT...

At 220 AM CDT, Doppler radar was tracking a strong thunderstorm near
Hildreth, or 21 miles southeast of Holdrege, moving east at 20 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.

This strong thunderstorm will be near...
  Upland around 240 AM CDT.

Other locations in the path of this storm include Campbell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4021 9902 4035 9896 4035 9853 4010 9859
TIME...MOT...LOC 0720Z 281DEG 17KT 4030 9901 

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

$$

Rossi

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 15, 12:37 AM CDT	Special Weather Statement	GID	Harlan	38 min
Aug 15, 2:35 AM CDT	Special Weather Statement	GID	Harlan	40 min
Aug 15, 3:53 AM CDT	Areal Flood Advisory	GID	Furnas, Harlan	6 hr
Aug 15, 4:03 AM CDT	Special Weather Statement	GID	Phelps	42 min
Aug 15, 6:31 AM CDT	Severe Thunderstorm Warning	GID	Adams	29 min
Aug 15, 6:55 AM CDT	Special Weather Statement	GID	Clay	35 min
Aug 15, 7:24 AM CDT	Special Weather Statement	GID	Hamilton	36 min
Aug 15, 8:03 AM CDT	Special Weather Statement	GID	York	27 min
Aug 15, 3:46 AM CDT	Special Weather Statement	GID	Phillips	44 min
Aug 15, 4:20 PM CDT	Special Weather Statement	GID	Mitchell	25 min
Aug 15, 5:08 PM CDT	Special Weather Statement	GID	Jewell	52 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.