Alert archive / Arkansas / Special Weather Statements in 2015

Special Weather Statement, NWS Tulsa, OK

July 9, 2015Madison County, Arkansas

NWS Tulsa, OK issued this special weather statement at Jul 9, 2015, 8:24 PM CDT for Madison County, Arkansas. It was in force for 51 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 9, 2015, 8:24 PM CDT (01:24 UTC)
Expired: Jul 9, 2015, 9:15 PM CDT
In force: 51 min
Issued by: NWS Tulsa, OK

County Madison County, AR

The radar

The Western Arkansas radar (KSRX), 97 km from the middle of the area, began a volume at 01:26 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

Springfield, MO (KSGF), launched 00:00Z, 1.4 hours before the alert went out and 115 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: 85 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 1033 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 151 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 9, 6:03 PM CDT, 2 hours 21 minutes earlier.

Area forecast discussion, Jul 9, 6:03 PM CDT, 2 hours 21 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
603 PM CDT THU JUL 9 2015

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
FOR THE 0Z TAFS... PRECIPITATION WILL BE ENDING FROM THE WEST OVER
THE NEXT FEW HOURS... AND MAY STILL AFFECT ARKANSAS TAF SITES.
AFTER THAT... VFR CONDITIONS WILL PREVAIL AT ALL SITES FOR THE
REMAINDER OF THE 24 HOUR FORECAST PERIOD

&&

.PREV DISCUSSION... /ISSUED 257 PM CDT THU JUL 9 2015/

DISCUSSION...
WEAK SFC LOW ACROSS CENTRAL OK THIS AFTERNOON...WITH ATTENDANT
BOUNDARY EXTENDING EAST ACROSS NE OK AND NW AR. THIS BOUNDARY WILL
CONTINUE TO SLOWLY LIFT NORTH THROUGH THIS AFTERNOON AND
OVERNIGHT...WITH RAIN CHANCES TO DIMINISH FROM SW TO NE DURING
THIS TIME PERIOD. WITH MODELS IN GOOD AGREEMENT ON IMPROVING
CONDITIONS THROUGH TONIGHT...WILL LET FFA ALONE AS IT IS SET TO
EXPIRE AT 00Z. EVENING SHIFT CAN EXTEND A SMALL PORTION IF
NECESSARY. ONCE THE PRECIP SHUTS OFF...UPPER RIDGING WILL BEGIN TO
BUILD IN ACROSS THE SRN PLAINS. TEMPERATURES WILL MODERATE OVER
THE WEEKEND AS THE RAIN FOOTPRINT ERODES. MONDAY STILL LOOKS TO BE
THE HOTTEST DAY OF THIS FORECAST CYCLE...DEWPOINTS IN THE LOWER TO
MID 70S WILL BE IN PLACE ACROSS PARTS OF ERN OK THROUGH THE
WEEKEND AND EARLY PART OF NEXT WEEK. THOSE LOCATIONS WILL LIKELY
SEE HEAT INDEX VALUES IN EXCESS OF 105 DEGREES FOR THE LATTER
HALF OF THE WEEKEND AND INTO NEXT WEEK. THE CENTER OF THE UPPER
RIDGE TOWARDS MID WEEK MAY MOVE A LITTLE BIT TO THE WEST...AND
MAY PLACE THE FAR ERN ZONES ON THE PERIPHERY OF INCREASED NW
FLOW. RAIN CHANCES WOULD INCREASE SOME...HOWEVER WILL KEEP
FORECAST DRY BEYOND TONIGHT.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...FLASH FLOOD WATCH UNTIL 7 PM CDT THIS EVENING FOR OKZ054>068-070-
     071.

AR...FLASH FLOOD WATCH UNTIL 7 PM CDT THIS EVENING FOR ARZ001-002.

&&

AVIATION...06

Hazardous weather outlook, Jul 9, 7:52 PM CDT, 32 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
752 PM CDT THU JUL 9 2015

ARZ001-002-010-011-019-020-029-OKZ049-053>076-101030-
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-
752 PM CDT THU JUL 9 2015

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

.DAY ONE...THROUGH TONIGHT.

FLASH FLOOD.
      RISK...LIMITED.
      AREA...NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS.
   	  ONSET...ONGOING.

DISCUSSION...

SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH MID
EVENING ACROSS NORTHWEST ARKANSAS.  LOCALLY HEAVY RAIN AND GUSTY
WINDS WILL BE LIKELY IN THE STRONGER STORMS. THIS ACTIVITY IS
EXPECTED TO WEAKEN AND SHIFT EAST OF THE REGION BY LATE EVENING WITH
THE HEAVY RAIN THREAT ENDING.

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

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
FRIDAY AND SATURDAY...NO HAZARDS.
SUNDAY THROUGH TUESDAY...DANGEROUS HEAT POTENTIAL.
WEDNESDAY...NO HAZARDS.

EXTENDED DISCUSSION...
IN THE WAKE OF THE EXITING FRONTAL BOUNDARY...A RIDGE OF HIGH
PRESSURE IS FORECAST TO SET UP OVER THE SOUTHERN PLAINS. THIS WILL
ALLOW FOR SOUTH TO SOUTHWESTERLY FLOW TO RETURN HOT AND HUMID
CONDITIONS ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS THIS
WEEKEND INTO NEXT WEEK. DANGEROUS HEAT INDEX VALUES AROUND 100
DEGREES TO 110 DEGREES WILL BE POSSIBLE ACROSS PARTS OF THE
REGION.

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

In the hours before

Local storm report, Jul 9, 7:04 PM CDT, 1 hour 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
704 PM CDT THU JUL 09 2015

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

0555 PM     TSTM WND DMG     GENTRY                  36.27N 94.48W
07/09/2015                   BENTON             AR   EMERGENCY MNGR

            REPORT OF A GARAGE BLOWN OVER AND SEVERAL OTHER
            STRUCTURES DAMAGED IN GENTRY.

&&

JDS

Special weather statement, Jul 9, 7:13 PM CDT, 1 hour 11 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
713 PM CDT THU JUL 9 2015

ARZ010-100100-
WASHINGTON AR-
713 PM CDT THU JUL 9 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN WASHINGTON COUNTY UNTIL
800 PM CDT...

AT 713 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4
MILES WEST OF STRICKLER...MOVING EAST AT 25 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ELKINS...WEST FORK...WINSLOW...BLACKBURN...STRICKLER...BRENTWOOD...
DEVILS DEN STATE PARK...BLACK OAK...MORROW...WOOLSEY...HICKS...
DURHAM...SULPHUR CITY...ODELL...WYOLA...CLYDE...ARNETT...HOGEYE AND
CANEHILL.

LAT...LON 3576 9448 3592 9449 3601 9396 3577 9397
TIME...MOT...LOC 0013Z 263DEG 22KT 3584 9439

Local storm report, Jul 9, 7:20 PM CDT, 1 hour 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
720 PM CDT THU JUL 09 2015

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

0510 PM     TSTM WND DMG     2 N ELDON               35.96N 94.84W
07/09/2015                   CHEROKEE           OK   EMERGENCY MNGR

            8-10 INCH DIAMETER TREES DOWN IN PUNKIN HOLLOW AREA.

&&

CAS

Special weather statement, Jul 9, 7:30 PM CDT, 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
730 PM CDT THU JUL 9 2015

ARZ010-011-100115-
WASHINGTON AR-MADISON AR-
730 PM CDT THU JUL 9 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MADISON AND
SOUTHEASTERN WASHINGTON COUNTIES UNTIL 815 PM CDT...

AT 730 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
BLACKBURN...MOVING EAST AT 30 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
WEST FORK...WINSLOW...BLACKBURN...STRICKLER...BRENTWOOD...DEVILS DEN
STATE PARK...WOOLSEY...CROSSES...DELANEY...COMBS...HICKS...DURHAM...
WYOLA...PATRICK...ARNETT AND HOGEYE.

LAT...LON 3576 9432 3593 9434 3598 9385 3579 9383
TIME...MOT...LOC 0030Z 263DEG 27KT 3585 9424

Local storm report, Jul 9, 7:42 PM CDT, 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
742 PM CDT THU JUL 09 2015

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

0555 PM     TSTM WND DMG     GENTRY                  36.27N 94.48W
07/09/2015                   BENTON             AR   PUBLIC

            THUNDERSTORM WINDS UPROOTED APPLE TREE. RELAYED BY
            BROADCAST MEDIA.

&&

JDS

Special weather statement, Jul 9, 8:24 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
824 PM CDT THU JUL 9 2015

ARZ011-100215-
MADISON AR-
824 PM CDT THU JUL 9 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MADISON COUNTY UNTIL 915
PM CDT...

AT 824 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
ST. PAUL...MOVING EAST AT 30 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ST. PAUL...PETTIGREW...BOSTON...SAINT PAUL...DUTTON...COMBS...RED
STAR...PATRICK...BRASHEARS AND DELANEY.

LAT...LON 3595 9349 3593 9349 3592 9351 3588 9351
      3588 9352 3583 9353 3582 9352 3578 9352
      3578 9390 3591 9390 3596 9347
TIME...MOT...LOC 0124Z 271DEG 25KT 3585 9375

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:48 PM CDT	Areal Flood Advisory	TSA	Adair	117 min
Jul 9, 8:10 PM CDT	River Flood Warning	TSA	Creek	13 hr
Jul 10, 2:16 AM CDT	River Flood Advisory	TSA	Muskogee	36 hr
Jul 10, 2:22 AM CDT	River Flood Warning	TSA	Adair	23 hr
Jul 10, 4:48 PM CDT	Special Weather Statement	TSA	Osage	42 min
Jul 9, 7:06 PM CDT	Severe Thunderstorm Warning	TSA	Carroll, Madison	39 min
Jul 9, 7:13 PM CDT	Special Weather Statement	TSA	Washington	47 min
Jul 9, 7:30 PM CDT	Special Weather Statement	TSA	Washington	45 min
Jul 10, 8:58 AM CDT	River Flood Advisory	TSA	Franklin, Johnson, Logan	5 days

Nearby

Special Weather Statements in Arkansas, 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.