Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 152, NWS Norman, OK

May 3, 2021Carter County, Love County, Marshall County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 3, 2021, 6:44 PM CDT for Carter County, Love County, Marshall County, Oklahoma. It was in force for 8 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: May 3, 2021, 6:44 PM CDT (23:44 UTC)
Expired: May 3, 2021, 6:52 PM CDT
In force: 8 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Carter County, OK, Love County, OK, Marshall County, OK

The radar

The Dallas/Ft Worth radar (KFWS), 155 km from the middle of the area, began a volume at 23:44 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.

Issued	Product	Office	Lasted
May 3, 3:48 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 127 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: 1296 J/kg
Mixed-layer CIN: -475 J/kg
Mixed-layer LCL: 1712 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 480 m²/s²
0-3 km storm-relative helicity: 456 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

037 
WUUS54 KOUN 032344
SVROUN
OKC019-085-095-040015-
/O.NEW.KOUN.SV.W.0152.210503T2344Z-210504T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Norman OK
644 PM CDT Mon May 3 2021

The National Weather Service in Norman has issued a

* Severe Thunderstorm Warning for...
  Northeastern Love County in southern Oklahoma...
  Southeastern Carter County in southern Oklahoma...
  Northwestern Marshall County in southeastern Oklahoma...

* Until 715 PM CDT.

* At 643 PM CDT, a severe thunderstorm was located near Marietta,
  moving northeast at 35 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Marietta, Lebanon, Lake Murray and Oakland. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms.

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

&&

LAT...LON 3386 9707 3386 9708 3389 9717 3417 9705
      3417 9673 3396 9692 3394 9697 3395 9698
      3396 9698 3395 9700 3389 9698 3384 9703
TIME...MOT...LOC 2343Z 207DEG 31KT 3393 9708 

HAIL...1.00IN
WIND...<50MPH
 
$$

Mahale

1 follow-up statement

176 
WWUS54 KOUN 032352
SVSOUN

Severe Weather Statement
National Weather Service Norman OK
652 PM CDT Mon May 3 2021

OKC019-085-095-040001-
/O.CAN.KOUN.SV.W.0152.000000T0000Z-210504T0015Z/
Love OK-Carter OK-Marshall OK-
652 PM CDT Mon May 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LOVE...
SOUTHEASTERN CARTER AND NORTHWESTERN MARSHALL COUNTIES IS
CANCELLED...
                 
The storm which prompted the warning has weakened below severe
limits, therefore the warning has been cancelled.

LAT...LON 3386 9707 3386 9708 3389 9717 3417 9705
      3417 9673 3396 9692 3394 9697 3395 9698
      3396 9698 3395 9700 3389 9698 3384 9703
TIME...MOT...LOC 2351Z 207DEG 31KT 3400 9704 

$$

Mahale

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 3, 4:56 PM CDT	Special Weather Statement	OUN	Harper	49 min
May 3, 5:05 PM CDT	Special Weather Statement	OUN	Carter	25 min
May 3, 5:09 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Love, Murray	51 min
May 3, 5:24 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Murray	51 min
May 3, 5:49 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Murray	26 min
May 3, 5:50 PM CDT	Special Weather Statement	OUN	Harper	25 min
May 3, 5:53 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Murray	67 min
May 3, 6:00 PM CDT	Areal Flood Advisory	OUN	Carter, Garvin, Johnston, Love, Murray, Pontotoc	5 hr
May 3, 6:02 PM CDT	Severe Thunderstorm Warning	OUN	Johnston, Murray, Pontotoc	58 min
May 3, 6:09 PM CDT	Special Weather Statement	OUN	Love	36 min
May 3, 6:12 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain, Murray	33 min
May 3, 6:19 PM CDT	Severe Thunderstorm Warning	OUN	Love	26 min
May 3, 6:25 PM CDT	Special Weather Statement	OUN	Hughes	35 min
May 3, 6:33 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Johnston, Pontotoc	42 min
May 3, 6:35 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes, Pontotoc	40 min
May 3, 6:38 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Murray	37 min
May 3, 6:39 PM CDT	Special Weather Statement	OUN	Johnston	36 min
May 3, 6:50 PM CDT	Flash Flood Warning	OUN	Carter, Murray	3 hr
May 3, 6:56 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Murray, Pontotoc	49 min

Nearby

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