Severe Thunderstorm Warning 309, NWS Norman, OK

Issued

Jun 12, 2021, 3:39 AM CDT (08:39 UTC)

Expired

Jun 12, 2021, 4:30 AM CDT

In force

51 min

Issued by

NWS Norman, OK

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties Carter County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Jefferson County, OK, McClain County, OK, Murray County, OK, Stephens County, OK

The Altus AFB radar (KFDR), 102 km from the middle of the area, began a volume at 08:42 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.

705 
WUUS54 KOUN 120839
SVROUN
OKC019-031-033-049-051-067-087-099-137-120930-
/O.NEW.KOUN.SV.W.0309.210612T0839Z-210612T0930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
339 AM CDT Sat Jun 12 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Southeastern Comanche County in southwestern Oklahoma...
  Northern Jefferson County in southern Oklahoma...
  Garvin County in southern Oklahoma...
  Southeastern Grady County in central Oklahoma...
  Stephens County in southern Oklahoma...
  Northeastern Cotton County in southwestern Oklahoma...
  Western Carter County in southern Oklahoma...
  Murray County in southern Oklahoma...
  South central McClain County in central Oklahoma...

* Until 430 AM CDT.

* At 338 AM CDT, severe thunderstorms were located along a line
  extending from 4 miles southwest of Paoli to near Velma to 3 miles
  east of Walters, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Duncan, Pauls Valley, Purcell, Sulphur, Marlow, Davis, Walters,
  Waurika, Lindsay, Healdton, Wynnewood, Wilson, Comanche, Maysville,
  Bray, Ringling, Temple, Elmore City, Wayne and Velma.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3413 9810 3415 9811 3414 9814 3414 9821
      3456 9838 3498 9735 3454 9688 3409 9752
TIME...MOT...LOC 0838Z 336DEG 33KT 3480 9733 3446 9768 3437 9826 

HAIL...0.75IN
WIND...60MPH
 
$$

30

766 
WWUS54 KOUN 120906
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
406 AM CDT Sat Jun 12 2021

OKC031-051-087-120916-
/O.CAN.KOUN.SV.W.0309.000000T0000Z-210612T0930Z/
Comanche OK-Grady OK-McClain OK-
406 AM CDT Sat Jun 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COMANCHE...
SOUTHEASTERN GRADY AND SOUTH CENTRAL MCCLAIN COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3413 9809 3415 9811 3414 9821 3443 9831
      3468 9767 3469 9767 3486 9727 3485 9722
      3454 9688 3409 9752
TIME...MOT...LOC 0906Z 270DEG 33KT 3458 9721 3424 9756 3415 9814 

$$

OKC019-033-049-067-099-137-120930-
/O.CON.KOUN.SV.W.0309.000000T0000Z-210612T0930Z/
Jefferson OK-Garvin OK-Stephens OK-Cotton OK-Carter OK-Murray OK-
406 AM CDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM CDT
FOR NORTHERN JEFFERSON...GARVIN...STEPHENS...NORTHEASTERN COTTON...
WESTERN CARTER AND MURRAY COUNTIES...

At 406 AM CDT, severe thunderstorms were located along a line
extending from 5 miles southwest of Wynnewood to 4 miles west of
Healdton to 5 miles south of Hastings, moving east at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Duncan, Pauls Valley, Sulphur, Davis, Waurika, Healdton, Wynnewood,
Wilson, Comanche, Ringling, Temple, Elmore City, Velma, Paoli, Katie,
Foster, Tatums, Hastings, Loco and Ratliff City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3413 9809 3415 9811 3414 9821 3443 9831
      3468 9767 3469 9767 3486 9727 3485 9722
      3454 9688 3409 9752
TIME...MOT...LOC 0906Z 270DEG 33KT 3458 9721 3424 9756 3415 9814 

HAIL...1.00IN
WIND...60MPH
 
$$

30

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.