Alert archive / Arkansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 57, NWS Tulsa, OK

May 13, 20104 counties in Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 13, 2010, 6:41 AM CDT for 4 counties in Arkansas. It was in force for 64 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: May 13, 2010, 6:41 AM CDT (11:41 UTC)
Expired: May 13, 2010, 7:45 AM CDT
In force: 64 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 11:43 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 13, 5:04 AM CDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 11.7 hours before the alert went out and 82 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: 1283 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 1221 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 179 m²/s²
0-3 km storm-relative helicity: 306 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 9.5

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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 13, 6:32 AM CDT, 9 minutes earlier.

Area forecast discussion, May 13, 6:32 AM CDT, 9 minutes before

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Hazardous weather outlook, May 13, 5:08 AM CDT, 1 hour 33 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
508 AM CDT THU MAY 13 2010

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-
508 AM CDT THU MAY 13 2010

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

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORM.
	RISK...SIGNIFICANT.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
        ONSET...ONGOING.

FLASH FLOOD.
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

HEAVY RAIN.
	RISK...ELEVATED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

DISCUSSION...
A LINE OF SEVERE THUNDERSTORMS IS ONGOING THIS MORNING ACROSS
PORTIONS OF EASTERN OKLAHOMA...AND IS EXPECTED TO CONTINUE TO
PROGRESS EASTWARD DURING THE MORNING HOURS. DAMAGING WIND GUSTS
AND PERIODS OF HEAVY RAIN WILL BE THE MAIN THREATS WITH THIS LINE
OF THUNDERSTORMS.

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO CONTINUE FOR MUCH OF THE
DAY AND INTO THE OVERNIGHT...AS A COLD FRONT PUSHES THROUGH THE
REGION. THE SEVERE WEATHER THREAT IS EXPECTED TO DIMINISH DURING
THE LATE MORNING AND AFTERNOON AS THE COLDER AIR MOVES INTO THE
AREA. THE HEAVY RAIN THREAT WILL REMAIN HOWEVER.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
ACTIVATION OF THE REGIONAL SPOTTER NETWORK LIKELY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
FRIDAY AND SATURDAY...THUNDERSTORM POTENTIAL...HEAVY RAIN POTENTIAL.
SUNDAY...THUNDERSTORM POTENTIAL.
MONDAY...NO HAZARDS.
TUESDAY AND WEDNESDAY...THUNDERSTORM POTENTIAL.

EXTENDED DISCUSSION...
AN ACTIVE PERIOD WILL REMAIN ACROSS THE AREA THROUGH THE
WEEKEND...WITH HEAVY RAIN BEING THE PRIMARY THREAT. WIDESPREAD
SEVERE WEATHER IS NOT EXPECTED...BUT ISOLATED SEVERE STORMS CANNOT
BE RULED OUT. THUNDERSTORMS WILL AGAIN ENTER THE FORECAST FOR THE
MIDDLE OF NEXT WEEK AS SOUTH WINDS MAKE A RETURN TO THE AREA.

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

In the hours before

Local storm report, May 13, 5:52 AM CDT, 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
552 AM CDT THU MAY 13 2010

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

0515 AM     TSTM WND DMG     VERDIGRIS               36.23N 95.69W
05/13/2010                   ROGERS             OK   LAW ENFORCEMENT

            ROOF BLOWN OFF A HOUSE. POWER LINES DOWN.

&&

KAH

Local storm report, May 13, 5:58 AM CDT, 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
558 AM CDT THU MAY 13 2010

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

0510 AM     TSTM WND GST     3 E BROKEN ARROW        36.05N 95.74W
05/13/2010  E60 MPH          WAGONER            OK   EMERGENCY MNGR

            REPORTED NEAR THE JUNCTION OF HIGHWAY 51 AND THE CREEK
            TURNPIKE

&&

KAH

Special weather statement, May 13, 6:05 AM CDT, 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
605 AM CDT THU MAY 13 2010

OKZ070>075-131145-
HASKELL OK-LATIMER OK-MCINTOSH OK-MUSKOGEE OK-PITTSBURG OK-SEQUOYAH
OK-
605 AM CDT THU MAY 13 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 645 AM CDT
FOR THE FOLLOWING COUNTIES...

IN EAST CENTRAL OKLAHOMA
     SOUTHEASTERN MUSKOGEE AND NORTHWESTERN SEQUOYAH

IN SOUTHEAST OKLAHOMA
     MCINTOSH...HASKELL...EASTERN PITTSBURG AND LATIMER

AT 605 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM VIVIAN TO 2 MILES SOUTHEAST OF BLOCKER TO 11 MILES
SOUTHWEST OF HAILEYVILLE...MOVING NORTHEAST AT 40 MPH. SOME LOCATIONS
THAT WILL BE AFFECTED BY THESE STORMS INCLUDE...MCCURTAIN...
STIGLER...LEQUIRE...KINTA...ENTERPRISE...WHITEFIELD...KEOTA...
TAMAHA...GORE...WILBURTON...HIGGINS...DAMON...RED OAK...EUFAULA...
VIVIAN...STIDHAM...HARTSHORNE...BLOCKER...CROWDER...QUINTON...
CANADIAN...BRIARTOWN...PORUM...WARNER AND WEBBERS FALLS.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3564 9509 3531 9489 3490 9506 3460 9578
      3501 9561 3534 9582
TIME...MOT...LOC 1105Z 243DEG 36KT 3530 9567 3505 9551
          3473 9565

Local storm report, May 13, 6:31 AM CDT, 10 minutes before

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Local storm report, May 13, 6:39 AM CDT, 2 minutes before

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Local storm report, May 13, 6:41 AM 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
May 12, 8:36 PM CDT	Special Weather Statement	TSA	Creek	24 min
May 12, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Creek	35 min
May 12, 8:59 PM CDT	Special Weather Statement	TSA	Osage, Pawnee	31 min
May 12, 9:29 PM CDT	Special Weather Statement	TSA	Tulsa	31 min
May 12, 11:24 PM CDT	Special Weather Statement	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	51 min
May 12, 11:52 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, McIntosh, Pittsburg	35 min
May 13, 12:10 AM CDT	Special Weather Statement	TSA	Mayes, Muskogee, Wagoner	50 min
May 13, 12:35 AM CDT	Special Weather Statement	TSA	Osage	25 min
May 13, 12:59 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	61 min
May 13, 4:10 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	50 min
May 13, 4:16 AM CDT	Special Weather Statement	TSA	Creek, Pawnee	44 min
May 13, 4:35 AM CDT	Severe Thunderstorm Warning	TSA	Creek, McIntosh, Muskogee, Okfuskee, Okmulgee, Rogers and 2 more	55 min
May 13, 4:56 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Nowata, Osage, Rogers, Tulsa, Washington	43 min
May 13, 5:09 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Craig, Delaware, McIntosh, Mayes and 4 more	51 min
May 13, 5:22 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Nowata, Ottawa, Rogers	53 min
May 13, 5:24 AM CDT	Special Weather Statement	TSA	McIntosh, Pittsburg	51 min
May 13, 5:45 AM CDT	Tornado Warning	TSA	Adair, Cherokee	30 min
May 13, 5:52 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Craig, Delaware, Ottawa	68 min
May 13, 6:05 AM CDT	Special Weather Statement	TSA	Haskell, Latimer, McIntosh	40 min
May 13, 6:13 AM CDT	Severe Thunderstorm Warning	TSA	Ottawa	18 min
May 13, 9:27 AM CDT	River Flood Warning	TSA	Ottawa	3 days
May 13, 11:48 AM CDT	Special Weather Statement	TSA	Pittsburg	42 min
May 13, 11:59 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, McIntosh, Pittsburg	37 min
May 13, 12:39 PM CDT	Special Weather Statement	TSA	Atoka	66 min
May 13, 1:30 PM CDT	Special Weather Statement	TSA	Pushmataha	60 min
May 13, 1:46 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	59 min
May 13, 1:49 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Pushmataha	56 min
May 13, 2:42 PM CDT	Special Weather Statement	TSA	LeFlore	33 min
May 13, 1:35 PM CDT	Special Weather Statement	TSA	Crawford	55 min
May 13, 2:09 PM CDT	Tornado Warning	TSA	Crawford, Franklin, Madison, Washington	51 min
May 13, 2:30 PM CDT	Special Weather Statement	TSA	Franklin	60 min
May 13, 2:45 PM CDT	Severe Thunderstorm Warning	TSA	Carroll, Franklin, Madison, Washington	45 min
May 13, 2:58 PM CDT	Tornado Warning	TSA	Carroll, Madison	47 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2010 Every severe thunderstorm warning in 2010

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.