Alert archive / Oklahoma / Special Weather Statements in 2015

Special Weather Statement, NWS Norman, OK

March 24, 2015Atoka County, Oklahoma

NWS Norman, OK issued this special weather statement at Mar 24, 2015, 9:39 PM CDT for Atoka County, Oklahoma. It was in force for 21 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: Mar 24, 2015, 9:39 PM CDT (02:39 UTC)
Expired: Mar 24, 2015, 10:00 PM CDT
In force: 21 min
Issued by: NWS Norman, OK

County Atoka County, OK

The radar

The Western Arkansas radar (KSRX), 154 km from the middle of the area, began a volume at 02:42 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.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.7 hours before the alert went out and 170 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2437 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: -19 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 24, 9:24 PM CDT, 15 minutes earlier.

Area forecast discussion, Mar 24, 9:24 PM CDT, 15 minutes before

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Hazardous weather outlook, Mar 24, 8:00 PM CDT, 1 hour 39 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATE
NATIONAL WEATHER SERVICE NORMAN OK
800 PM CDT TUE MAR 24 2015

OKZ004>048-050>052-TXZ083>090-251000-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-
NOBLE-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-
BECKHAM-WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-
CLEVELAND-POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-
TILLMAN-COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-
JEFFERSON-CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-
FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
800 PM CDT TUE MAR 24 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN...
WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH
TEXAS.

.DAY ONE...TONIGHT...

.THUNDERSTORMS...
ISOLATED THUNDERSTORMS MAY DEVELOP THIS EVENING ACROSS FAR
SOUTHEAST OKLAHOMA...MAINLY EAST OF COALGATE AND DURANT. IF
STORMS DEVELOP...NICKEL SIZE HAIL...GUSTY WINDS AND BRIEF HEAVY
DOWNPOURS WILL OCCUR WITH THE STRONGER STORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

.THUNDERSTORMS...
THUNDERSTORM CHANCES WILL INCREASE LATE WEDNESDAY AFTERNOON AND
EVENING.

THERE IS AN ENHANCED RISK OF SEVERE STORMS SOUTH AND EAST
OF A LINE FROM CHANDLER... TO OKLAHOMA CITY... TO HOBART... TO
FREDERICK OKLAHOMA AND SEYMOUR TEXAS.

SURROUNDING THE ENHANCED RISK AREA IS A SLIGHT RISK OF SEVERE
STORMS. THE SLIGHT RISK IS SOUTH AND EAST OF A PERRY TO WATONGA...
TO ALTUS OKLAHOMA... TO QUANAH AND BENJAMIN TEXAS LINE.

THE MAIN HAZARDS WILL BE HAIL UP TO THE SIZE OF GOLFBALLS AND WIND
GUSTS IN EXCESS OF 65 MPH. HEAVY RAINFALL AND FREQUENT LIGHTNING
WILL ALSO BE CONCERNS.

THUNDERSTORM CHANCES RETURN TO OKLAHOMA AND WESTERN NORTH TEXAS NEXT
MONDAY.

GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW
OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK.

In the hours before

Special weather statement, Mar 24, 9:39 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 4:14 AM CDT	High Wind Watch	OUN	Blaine, Caddo, Canadian, Comanche, Custer, Dewey and 5 more	6 hr
Mar 25, 4:14 AM CDT	Wind Advisory	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 40 more	24 hr
Mar 25, 10:35 AM CDT	High Wind Warning	OUN	Beckham, Blaine, Caddo, Canadian, Comanche, Custer and 10 more	12 hr
Mar 25, 3:25 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	35 min
Mar 25, 3:26 PM CDT	Special Weather Statement	OUN	Payne	34 min
Mar 25, 3:38 PM CDT	Severe Thunderstorm Warning	OUN	Payne	27 min
Mar 25, 4:39 PM CDT	Special Weather Statement	OUN	Payne	36 min
Mar 25, 4:43 PM CDT	Severe Thunderstorm Warning	OUN	Payne	47 min
Mar 25, 5:04 PM CDT	Special Weather Statement	OUN	Caddo	26 min
Mar 25, 5:24 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Washita	36 min
Mar 25, 5:30 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Oklahoma, Payne	45 min
Mar 25, 5:33 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian	42 min
Mar 25, 5:40 PM CDT	Severe Thunderstorm Warning	OUN	Logan	40 min
Mar 25, 5:53 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian	52 min
Mar 25, 6:09 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Oklahoma	66 min
Mar 25, 6:14 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Oklahoma, Payne	46 min
Mar 25, 6:19 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	41 min
Mar 25, 6:25 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	22 min
Mar 25, 6:32 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Oklahoma	43 min
Mar 25, 6:41 PM CDT	Tornado Warning	OUN	Canadian, Oklahoma	6 min
Mar 25, 6:43 PM CDT	Tornado Warning	OUN	Cleveland	17 min
Mar 25, 6:54 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Grady	51 min
Mar 25, 6:59 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	46 min

Nearby

Special Weather Statements in Oklahoma, 2015 Every special weather statement in 2015

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.