Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 211, NWS Norman, OK

June 28, 2014Grant County, Kay County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 28, 2014, 11:10 AM CDT for Grant County, Kay County, Oklahoma. It was in force for 80 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 28, 2014, 11:10 AM CDT (16:10 UTC)
Expired: Jun 28, 2014, 12:30 PM CDT
In force: 80 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Grant County, OK, Kay County, OK

The radar

The Vance AFB radar (KVNX), 59 km from the middle of the area, began a volume at 16:14 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 nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 4.2 hours before the alert went out and 177 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: 2112 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 635 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 12.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 28, 6:34 AM CDT, 4 hours 36 minutes earlier.

Area forecast discussion, Jun 28, 6:34 AM CDT, 4 hours 36 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
634 AM CDT SAT JUN 28 2014

.AVIATION...
STRONGEST CONVECTION EARLY THIS MORNING IS BUILDING INTO FAR
NORTHWEST OKLAHOMA. THIS MAY IMPACT GAG/WWR THROUGH 15Z...BEFORE
CONVECTION SLOWLY WEAKENS THROUGH THE MID MORNING.
ELSEWHERE...WIDELY SCATTERED SHOWERS AND ISOLATED STORMS ARE
MAINLY MOVING AWAY FROM CSM/HBR/LAW/SPS.

MVFR CEILINGS THIS MORNING ARE EXPECTED TO SCATTER BY MID
TO LATE MORNING...ESPECIALLY WESTERN OKLAHOMA.
ADDITIONAL STORMS MAY FORM LATE THIS AFTERNOON/EARLY EVENING BUT
COVERAGE IS EXPECTED TO BE WIDELY SCATTERED.

&&

.PREV DISCUSSION... /ISSUED 218 AM CDT SAT JUN 28 2014/

DISCUSSION...
A MID AND UPPER LEVEL TROUGH WILL CONTINUE EAST AND NORTHEAST
ACROSS THE CENTRAL AND SOUTHERN PLAINS TODAY WITH BETTER FORCING
REMAINING NORTH OF THE FA. A STRONG LOW LEVEL JET EARLY THIS
MORNING AND SUFFICIENT INSTABILITY WILL SUPPORT THE RISK OF A FEW
SEVERE STORMS WITH HAIL BEING THE MAIN THREAT. THE BEST CHANCE FOR
STORMS AFTER SUNRISE...IS EXPECTED TO BE ACROSS NORTH CENTRAL
OKLAHOMA. STORM INTENSITY ACROSS THE REGION SHOULD DECREASE AS THE
LOW LEVEL JET WEAKENS THROUGH DURING THE MORNING.

ADDITIONAL STORMS WILL BE POSSIBLE THIS AFTERNOON AND
EVENING...BUT OVERALL HEIGHT RISES AND RATHER WARM 7H TEMPS SHOULD
LIMIT THE NUMBER OF STORMS. INSTABILITY AND ENOUGH SHEAR WILL
SUPPORT THE RISK OF SEVERE STORMS WITH LARGE HAIL.

ANOTHER TROUGH WILL MOVE ACROSS THE NORTHERN AND CENTRAL PLAINS
EARLY NEXT WEEK. THIS WILL HELP PUSH A FRONTAL BOUNDARY INTO
OKLAHOMA. THIS WILL PROVIDE A DECENT CHANCE FOR STORMS MONDAY
NIGHT THROUGH AT LEAST WEDNESDAY NIGHT.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  87  73  92  74 /  30  30  10  10
HOBART OK         92  70  96  73 /  20  30  10  10
WICHITA FALLS TX  94  74  96  74 /  10  20  10  10
GAGE OK           92  69  96  73 /  30  10  10  10
PONCA CITY OK     84  71  93  75 /  60  60  10  10
DURANT OK         89  75  91  75 /  30  30  30  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&

Hazardous weather outlook, Jun 28, 4:52 AM CDT, 6 hours 18 minutes before

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In the hours before

Special weather statement, Jun 28, 10:11 AM CDT, 59 minutes before

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Local storm report, Jun 28, 10:19 AM CDT, 51 minutes before

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Special weather statement, Jun 28, 10:30 AM CDT, 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
1030 AM CDT SAT JUN 28 2014

OKZ011-012-017-018-281600-
KINGFISHER OK-BLAINE OK-GARFIELD OK-MAJOR OK-
1030 AM CDT SAT JUN 28 2014

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN KINGFISHER...NORTHERN
BLAINE...SOUTHWESTERN GARFIELD AND SOUTHEASTERN MAJOR COUNTIES UNTIL
1100 AM CDT...

AT 1028 AM CDT...STRONG THUNDERSTORMS WERE ALONG A LINE EXTENDING
FROM 5 MILES WEST OF DRUMMOND TO NEAR HITCHCOCK TO NEAR OAKWOOD...
MOVING EAST AT 25 MPH.

HAZARDS INCLUDE...
WIND GUSTS TO 40 MPH...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...

LOCATIONS IMPACTED INCLUDE...
ENID...WATONGA...HENNESSEY...WAUKOMIS...OKEENE...CANTON...LAHOMA...
DRUMMOND...DOVER...BRECKENRIDGE...AMES...MENO...HITCHCOCK...LOYAL...
VANCE AIR FORCE BASE...BISON...ISABELLA...EAGLE CITY...NORTH ENID AND
LACEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

&&

LAT...LON 3649 9766 3584 9798 3578 9861 3602 9864
      3609 9864 3615 9842 3642 9820
TIME...MOT...LOC 1528Z 287DEG 23KT 3630 9813 3597 9836 3590 9871

Local storm report, Jun 28, 10:52 AM CDT, 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1052 AM CDT SAT JUN 28 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1025 AM     TSTM WND GST     RINGWOOD                36.38N 98.25W
06/28/2014  E65 MPH          MAJOR              OK   PUBLIC

&&

FM

Local storm report, Jun 28, 10:55 AM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1055 AM CDT SAT JUN 28 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1045 AM     TSTM WND GST     POND CREEK              36.67N 97.80W
06/28/2014  E60 MPH          GRANT              OK   LAW ENFORCEMENT

&&

FM

Special weather statement, Jun 28, 10:57 AM CDT, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
1057 AM CDT SAT JUN 28 2014

OKZ012-017-018-281630-
KINGFISHER OK-BLAINE OK-GARFIELD OK-
1057 AM CDT SAT JUN 28 2014

...SIGNIFICANT WEATHER ADVISORY FOR KINGFISHER...CENTRAL BLAINE AND
SOUTHERN GARFIELD COUNTIES UNTIL 1130 AM CDT...

AT 1054 AM CDT...STRONG THUNDERSTORMS WERE ALONG A LINE EXTENDING
FROM NEAR VANCE AIR FORCE BASE TO 4 MILES SOUTHWEST OF LOYAL TO NEAR
FAY...MOVING EAST AT 25 MPH.

HAZARDS INCLUDE...
WIND GUSTS TO 40 MPH...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...

LOCATIONS IMPACTED INCLUDE...
ENID...KINGFISHER...WATONGA...HENNESSEY...WAUKOMIS...GARBER...
CANTON...DRUMMOND...DOVER...BRECKENRIDGE...FAIRMONT...HITCHCOCK...
LOYAL...DOUGLAS...VANCE AIR FORCE BASE...BISON...EAGLE CITY...NORTH
ENID...LACEY AND SOUTHARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE WEATHER IS NOT EXPECTED AND NO WARNINGS ARE ANTICIPATED AT
THIS TIME.

&&

LAT...LON 3648 9756 3585 9784 3572 9860 3606 9863
      3614 9810 3647 9804
TIME...MOT...LOC 1554Z 277DEG 20KT 3632 9789 3593 9819 3585 9866

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 10:14 PM CDT	Special Weather Statement	OUN	Beckham	31 min
Jun 27, 10:44 PM CDT	Special Weather Statement	OUN	Beckham	31 min
Jun 27, 11:06 PM CDT	Special Weather Statement	OUN	Grady	24 min
Jun 27, 11:59 PM CDT	Special Weather Statement	OUN	Washita	31 min
Jun 28, 12:28 AM CDT	Special Weather Statement	OUN	Washita	47 min
Jun 28, 12:38 AM CDT	Special Weather Statement	OUN	Caddo	52 min
Jun 28, 12:46 AM CDT	Special Weather Statement	OUN	Ellis	44 min
Jun 28, 1:18 AM CDT	Special Weather Statement	OUN	Washita	27 min
Jun 28, 1:48 AM CDT	Special Weather Statement	OUN	Washita	27 min
Jun 28, 2:03 AM CDT	Special Weather Statement	OUN	Blaine, Dewey, Kingfisher, Major, Woodward	42 min
Jun 28, 2:27 AM CDT	Special Weather Statement	OUN	Caddo, Canadian, Grady	33 min
Jun 28, 3:00 AM CDT	Special Weather Statement	OUN	Canadian	30 min
Jun 28, 3:16 AM CDT	Wind Advisory	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 11 more	3 hr
Jun 28, 6:28 AM CDT	Special Weather Statement	OUN	Harper	32 min
Jun 28, 7:13 AM CDT	Special Weather Statement	OUN	Ellis, Harper, Woodward	47 min
Jun 28, 7:36 AM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods, Woodward	39 min
Jun 28, 8:13 AM CDT	Areal Flood Advisory	OUN	Harper, Woods, Woodward	3 hr
Jun 28, 8:15 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods, Woodward	45 min
Jun 28, 8:53 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	52 min
Jun 28, 9:09 AM CDT	Special Weather Statement	OUN	Dewey	36 min
Jun 28, 9:35 AM CDT	Areal Flood Advisory	OUN	Alfalfa, Major, Woods, Woodward	3 hr
Jun 28, 9:41 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	49 min
Jun 28, 10:01 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Major	29 min
Jun 28, 10:11 AM CDT	Special Weather Statement	OUN	Blaine, Dewey	34 min
Jun 28, 10:28 AM CDT	Severe Thunderstorm Warning	OUN	Grant	47 min
Jun 28, 10:30 AM CDT	Special Weather Statement	OUN	Blaine, Garfield, Kingfisher	30 min
Jun 28, 10:57 AM CDT	Special Weather Statement	OUN	Blaine, Garfield, Kingfisher	33 min
Jun 28, 11:31 AM CDT	Special Weather Statement	OUN	Blaine, Garfield, Kingfisher	29 min
Jun 28, 12:53 PM CDT	River Flood Warning	OUN	Harper, Woods, Woodward	35 hr
Jun 28, 1:13 PM CDT	Special Weather Statement	OUN	Oklahoma, Payne	32 min
Jun 28, 1:34 PM CDT	Areal Flood Advisory	OUN	Lincoln, Logan, Oklahoma, Payne	116 min
Jun 28, 1:38 PM CDT	Special Weather Statement	OUN	Oklahoma, Payne	37 min
Jun 28, 1:58 PM CDT	Special Weather Statement	OUN	Lincoln	32 min
Jun 28, 2:28 PM CDT	Special Weather Statement	OUN	Lincoln	32 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2014 Every severe thunderstorm warning in 2014

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.