Alert archive / Nebraska / Tornado Warnings in 2021

Tornado Warning 2, NWS Hastings, NE

September 2, 2021Kearney County, Phelps County, Nebraska

NWS Hastings, NE issued this tornado warning at Sep 2, 2021, 5:52 PM CDT for Kearney County, Phelps County, Nebraska. It was in force for 23 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
Sep 2, 2021, 5:52 PM CDT (22:52 UTC)
Expired
Sep 2, 2021, 6:15 PM CDT
In force
23 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Kearney County, NE, Phelps County, NE

The radar

The Grand Island radar (KUEX), 85 km from the middle of the area, began a volume at 22:56 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 2, 5:27 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.9 hours before the alert went out and 118 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 2021-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2021-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
733 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

724 
WFUS53 KGID 022252
TORGID
NEC099-137-022315-
/O.NEW.KGID.TO.W.0002.210902T2252Z-210902T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Hastings NE
552 PM CDT Thu Sep 2 2021

The National Weather Service in Hastings has issued a

* Tornado Warning for...
  Northeastern Phelps County in south central Nebraska...
  West central Kearney County in south central Nebraska...

* Until 615 PM CDT.
    
* At 552 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 8 miles south of Elm Creek, or 12 miles north of
  Holdrege, moving east at 15 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  northeastern Phelps and west central Kearney Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4068 9951 4068 9944 4066 9938 4067 9933
      4066 9929 4066 9913 4045 9916 4052 9954
TIME...MOT...LOC 2252Z 275DEG 15KT 4061 9943 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Heinlein

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 6:14 PM CDTSevere Thunderstorm WarningGIDBuffalo, Kearney, Phelps46 min
Sep 2, 6:20 PM CDTTornado WarningGIDHarlan25 min
Sep 2, 6:48 PM CDTAreal Flood AdvisoryGIDBuffalo, Dawson, Gosper, Phelps3 hr
Sep 2, 6:49 PM CDTSpecial Weather StatementGIDHarlan26 min

Nearby

Tornado Warnings in Nebraska, 2021Every tornado warning in 2021Tornadoes 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.