Severe Thunderstorm Warning 463, NWS Norman, OK

Issued

Aug 21, 2021, 3:52 PM CDT (20:52 UTC)

Expired

Aug 21, 2021, 4:30 PM CDT

In force

38 min

Issued by

NWS Norman, OK

Area

Storm-based polygon

Damage threat

Considerable

Hail

0.88 in

Wind

70.0 mph

County Ellis County, OK

The Vance AFB radar (KVNX), 143 km from the middle of the area, began a volume at 20:55 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.

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

036 
WUUS54 KOUN 212052
SVROUN
OKC045-212130-
/O.NEW.KOUN.SV.W.0463.210821T2052Z-210821T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
352 PM CDT Sat Aug 21 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Southeastern Ellis County in northwestern Oklahoma...

* Until 430 PM CDT.

* At 351 PM CDT, a severe thunderstorm was located 7 miles southeast
  of Harmon, moving northeast at 10 mph.

  HAZARD...70 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Ellis County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3613 9951 3609 9943 3604 9938 3603 9938
      3601 9943 3601 9945 3599 9947 3597 9953
      3603 9960
TIME...MOT...LOC 2051Z 222DEG 9KT 3604 9950 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

JP

849 
WWUS54 KOUN 212116
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
416 PM CDT Sat Aug 21 2021

OKC045-212130-
/O.CON.KOUN.SV.W.0463.000000T0000Z-210821T2130Z/
Ellis OK-
416 PM CDT Sat Aug 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHEASTERN ELLIS COUNTY...

At 415 PM CDT, a severe thunderstorm was located 6 miles southeast of
Harmon, moving northeast at 5 mph.

HAZARD...Golf ball size hail.

SOURCE...Broadcast media.

IMPACT...People and animals outdoors will be injured. Expect damage 
         to roofs, siding, windows, and vehicles.

This severe thunderstorm will remain over mainly rural areas of
southeastern Ellis County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3613 9951 3609 9943 3607 9941 3604 9944
      3601 9950 3599 9953 3603 9960
TIME...MOT...LOC 2115Z 213DEG 6KT 3606 9949 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

JP

Severe Thunderstorm Warnings in Oklahoma, 2021Every severe thunderstorm warning in 2021

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.