Alert archive / Oklahoma / Special Weather Statements in 2011

Special Weather Statement, NWS Tulsa, OK

July 13, 2011Okfuskee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jul 13, 2011, 4:44 PM CDT for Okfuskee County, Oklahoma. It was in force for 31 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: Jul 13, 2011, 4:44 PM CDT (21:44 UTC)
Expired: Jul 13, 2011, 5:15 PM CDT
In force: 31 min
Issued by: NWS Tulsa, OK

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 87 km from the middle of the area, began a volume at 21:45 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, 9.7 hours before the alert went out and 101 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: 1440 J/kg
Mixed-layer CIN: -158 J/kg
Mixed-layer LCL: 1656 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 107 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 Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Jul 13, 3:10 PM CDT, 1 hour 34 minutes earlier.

Area forecast discussion, Jul 13, 3:10 PM CDT, 1 hour 34 minutes before

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Hazardous weather outlook, Jul 13, 12:45 PM CDT, 3 hours 59 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1245 PM CDT WED JUL 13 2011

ARZ001-002-010-011-019-020-029-OKZ049-053>076-141000-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
1245 PM CDT WED JUL 13 2011

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
        AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
        ONSET...THIS AFTERNOON.

DANGEROUS HEAT.
	RISK...ELEVATED.
	AREA...SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS.
	ONSET...ONGOING.

DISCUSSION...
SHOWERS AND THUNDERSTORMS WILL CONTINUE THIS AFTERNOON ACROSS
PARTS OF NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. ADDITIONAL
THUNDERSTORM DEVELOPMENT IS EXPECTED AS WELL. WIDESPREAD SEVERE
WEATHER IS NOT ANTICIPATED...BUT A FEW STORMS MAY PRODUCE DAMAGING
WIND GUSTS AND BRIEF HEAVY RAINFALL.

OUTSIDE OF THE RAIN AREAS...IN SOUTHEAST OKLAHOMA AND WEST CENTRAL
ARKANSAS...HOT AND HUMID CONDITIONS WILL CONTINUE THIS AFTERNOON
AND INTO THE EVENING. AFTERNOON HEAT INDEX VALUES WILL REACH THE
105 TO 110 RANGE ACROSS MUCH OF THAT AREA. EXCESSIVE HEAT WARNINGS
AND HEAT ADVISORIES /OKCNPWTSA/ REMAIN IN EFFECT.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THURSDAY AND FRIDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL.
SATURDAY...DANGEROUS HEAT POTENTIAL.
SUNDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL.
MONDAY AND TUESDAY...DANGEROUS HEAT POTENTIAL.

EXTENDED DISCUSSION...
HOT AFTERNOON TEMPERATURES...WITH HEAT INDEX VALUES IN THE 100 TO
AROUND 110 DEGREE RANGE...ARE EXPECTED TO CONTINUE FOR THE NEXT
SEVERAL DAYS WITH LITTLE RELIEF. ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS WILL REMAIN POSSIBLE THE REMAINDER OF THE
WEEK...MAINLY ACROSS FAR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
HIGH PRESSURE ALOFT THEN BUILDS BACK INTO THE REGION FOR THE
WEEKEND AND INTO EARLY NEXT WEEK...ALLOWING FOR THE DANGEROUS HEAT
TO CONTINUE.

EMERGENCY MANAGEMENT PLANNING STATEMENT...
REMAIN ALERT FOR ADDITIONAL EXCESSIVE HEAT WARNINGS AND HEAT
ADVISORIES INTO NEXT WEEK...AS THE HEAT BUILDS BACK INTO THE REGION.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

In the hours before

Special weather statement, Jul 13, 2:46 PM CDT, 1 hour 58 minutes before

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Special weather statement, Jul 13, 2:55 PM CDT, 1 hour 49 minutes before

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Special weather statement, Jul 13, 3:23 PM CDT, 1 hour 21 minutes before

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Local storm report, Jul 13, 3:39 PM CDT, 1 hour 5 minutes before

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Special weather statement, Jul 13, 4:21 PM CDT, 23 minutes before

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Special weather statement, Jul 13, 4:44 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:00 PM CDT	Special Weather Statement	TSA	McIntosh	60 min
Jul 12, 7:35 PM CDT	Special Weather Statement	TSA	Muskogee	40 min
Jul 12, 7:37 PM CDT	Special Weather Statement	TSA	McIntosh, Muskogee	53 min
Jul 12, 8:02 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Muskogee, Sequoyah	58 min
Jul 12, 8:15 PM CDT	Special Weather Statement	TSA	Cherokee	45 min
Jul 12, 8:48 PM CDT	Special Weather Statement	TSA	Sequoyah	57 min
Jul 12, 11:22 PM CDT	Special Weather Statement	TSA	Osage	38 min
Jul 13, 5:24 AM CDT	Areal Flood Advisory	TSA	Osage	3 hr
Jul 13, 1:28 PM CDT	Special Weather Statement	TSA	Sequoyah	47 min
Jul 13, 1:31 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	44 min
Jul 13, 2:06 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	39 min
Jul 13, 2:55 PM CDT	Special Weather Statement	TSA	Pittsburg	35 min
Jul 13, 3:23 PM CDT	Special Weather Statement	TSA	Pittsburg	37 min
Jul 13, 3:59 PM CDT	Excessive Heat Watch	TSA	Cherokee, Choctaw, Craig, Creek, Delaware, Haskell and 15 more	60 hr
Jul 13, 4:21 PM CDT	Special Weather Statement	TSA	LeFlore	24 min
Jul 12, 8:40 PM CDT	Special Weather Statement	TSA	Crawford	35 min
Jul 12, 9:07 PM CDT	Special Weather Statement	TSA	Crawford	23 min
Jul 12, 9:40 PM CDT	Special Weather Statement	TSA	Crawford	65 min
Jul 12, 11:07 PM CDT	Special Weather Statement	TSA	Carroll	38 min
Jul 13, 2:14 PM CDT	Special Weather Statement	TSA	Sebastian	31 min
Jul 13, 2:17 PM CDT	Special Weather Statement	TSA	Franklin	28 min
Jul 13, 2:38 PM CDT	Severe Thunderstorm Warning	TSA	Franklin, Sebastian	26 min
Jul 13, 2:46 PM CDT	Special Weather Statement	TSA	Franklin	29 min

Nearby

Special Weather Statements in Oklahoma, 2011 Every special weather statement in 2011

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.