Alert archive / Oklahoma / Special Weather Statements in 2009

Special Weather Statement, NWS Tulsa, OK

February 10, 2009Delaware County, Oklahoma; Benton County, Arkansas

NWS Tulsa, OK issued this special weather statement at Feb 10, 2009, 9:22 PM CST for Delaware County, Oklahoma; Benton County, Arkansas. It was in force for 38 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: Feb 10, 2009, 9:22 PM CST (03:22 UTC)
Expired: Feb 10, 2009, 10:00 PM CST
In force: 38 min
Issued by: NWS Tulsa, OK

Counties Benton County, AR, Delaware County, OK

The radar

The Tulsa radar (KINX), 113 km from the middle of the area, began a volume at 03:25 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, 3.4 hours before the alert went out and 77 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: 7 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1210 m above ground
0-6 km bulk shear: 76 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Feb 10, 8:15 PM CST, 1 hour 7 minutes earlier.

Area forecast discussion, Feb 10, 8:15 PM CST, 1 hour 7 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
815 PM CST TUE FEB 10 2009

.UPDATE...
HAVE TRIMMED NORTHWEST PORTION OF SEVERE THUNDERSTORM WATCH NUMBER
9. SEVERE POTENTIAL CONTINUES TO THE EAST OF THE LINE OF STORMS...
WHERE GOOD MOISTURE AND INSTABILITY SHOULD CONTINUE.

DO NOT PLAN TO MAKE ANY MAJOR CHANGES TO THE GENERAL FORECAST.
HOWEVER...WILL CONTINUE TO TRIM CONVECTIVE WATCH AS THE LINE MOVES
EAST.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...FLOOD WATCH UNTIL 6 AM WEDNESDAY FOR OKZ049-OKZ053-OKZ055-OKZ056-
     OKZ057-OKZ058-OKZ060-OKZ061-OKZ062-OKZ063-OKZ064-OKZ065-
     OKZ066-OKZ067-OKZ068-OKZ069-OKZ070-OKZ071-OKZ072-OKZ073-
     OKZ074-OKZ075-OKZ076.

AR...FLOOD WATCH UNTIL 6 AM WEDNESDAY FOR ARZ001-ARZ002-ARZ010-ARZ011-
     ARZ019-ARZ020-ARZ029.

&&

SHORT TERM...02

Hazardous weather outlook, Feb 10, 7:03 PM CST, 2 hours 19 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
703 PM CST TUE FEB 10 2009

ARZ001-002-010-011-019-020-029-OKZ049-053>076-111100-
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-
702 PM CST TUE FEB 10 2009

...SIGNIFICANT THREAT OF SEVERE WEATHER TONIGHT...

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

.DAY ONE...TODAY AND TONIGHT.
TORNADO.
RISK...SIGNIFICANT.
AREA...ALL OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...ONGOING.

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

FLASH FLOOD.
RISK...ELEVATED.
        AREA...SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
        ONSET...ONGOING.
        AREA AT GREATEST RISK...SOUTHEAST OKLAHOMA INTO NORTHWEST
         ARKANSAS.

HEAVY RAIN.
RISK...SIGNIFICANT.
AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...ON GOING
AREA AT GREATEST RISK...SOUTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.

DISCUSSION...
A STRONG UPPER LEVEL STORM SYSTEM WILL MOVE ACROSS THE AREA
TONIGHT. SCATTERED SEVERE THUNDERSTORMS ARE OCCURRING AT THIS
TIME. OTHER STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO
DEVELOP ACROSS CENTRAL OKLAHOMA DURING THE EVENING AND ARE
EXPECTED TO MOVE EASTWARD INTO DEEPER...MOIST UNSTABLE AIR. WIND
FIELDS ALOFT WILL PROVIDE SUFFICIENT SHEAR TO DEVELOP SUPER CELLS
WITH THE POTENTIAL FOR TORNADO DEVELOPMENT. TORNADOES HAVE ALREADY
OCCURRED DURING THE AFTERNOON WITH SOME THUNDERSTORMS. LARGE HAIL
TO THE SIZE OF GOLF BALLS WILL ALSO BE POSSIBLE. THE SYSTEM WILL
MOVE RAPIDLY EAST DURING THE NIGHT...EXITING EASTERN OKLAHOMA
BETWEEN MIDNIGHT AND ABOUT 2 AM. THE SEVERE POTENTIAL SHOULD MOVE
OUT OF NORTHWEST ARKANSAS BY 4 AM.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION WILL BE NEEDED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
WEDNESDAY...THUNDERSTORM POTENTIAL...MARGINAL FIRE WEATHER
POTENTIAL...HIGH WIND POTENTIAL EARLY.
THURSDAY...NO HAZARDS.
FRIDAY...THUNDERSTORM POTENTIAL...HIGH FIRE WEATHER POTENTIAL...HIGH
WIND POTENTIAL.
SATURDAY...VERY HIGH FIRE WEATHER POTENTIAL...HIGH
WIND POTENTIAL.
SUNDAY...NO HAZARDS.
MONDAY...NO HAZARDS.

EXTENDED DISCUSSION...
ISOLATED THUNDERSTORMS WILL STILL BE POSSIBLE WEDNESDAY
MORNING..WITH SHOWERS MORE LIKELY. INSTABILITY WILL BE VERY
LIMITED...SO NO SEVERE WEATHER IS EXPECTED. HOWEVER...INCREASING
DRY NORTHWEST WINDS WILL PROVIDE SOME WILD FIRE POTENTIAL
WEDNESDAY AFTERNOON. A GREATER WILD FIRE THREAT WILL DEVELOP
FRIDAY WHEN STRONG...DRY WESTERLY WINDS SPREAD ACROSS THE AREA.
MORE SEASONABLE TEMPERATURES IS EXPECTED OVER THE WEEKEND.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL
INFORMATION.

In the hours before

Local storm report, Feb 10, 7:08 PM CST, 2 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
708 PM CST TUE FEB 10 2009

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

0707 PM     HAIL             RAMONA                  36.53N 95.92W
02/10/2009  E1.00 INCH       WASHINGTON         OK   BROADCAST MEDIA

            REPORTED BY KOTV

&&

SFP

Local storm report, Feb 10, 7:33 PM CST, 1 hour 49 minutes before

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Local storm report, Feb 10, 7:46 PM CST, 1 hour 36 minutes before

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Special weather statement, Feb 10, 8:55 PM CST, 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
855 PM CST TUE FEB 10 2009

ARZ001-010-OKZ049-062-063-067>075-110415-
ADAIR OK-BENTON AR-CHEROKEE OK-DELAWARE OK-HASKELL OK-LATIMER
OK-MAYES OK-MCINTOSH OK-MUSKOGEE OK-PITTSBURG OK-PUSHMATAHA
OK-SEQUOYAH OK-WAGONER OK-WASHINGTON AR-
855 PM CST TUE FEB 10 2009

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1015 PM CST
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     NORTHWESTERN WASHINGTON AND SOUTHWESTERN BENTON

IN EAST CENTRAL OKLAHOMA
     MUSKOGEE...CHEROKEE AND WESTERN SEQUOYAH

IN NORTHEAST OKLAHOMA
     SOUTHEASTERN WAGONER...SOUTHERN DELAWARE...ADAIR AND
     SOUTHEASTERN MAYES

IN SOUTHEAST OKLAHOMA
     EASTERN MCINTOSH...HASKELL...PITTSBURG...NORTHERN PUSHMATAHA AND
     WESTERN LATIMER

AT 855 PM CST...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 4 MILES NORTH OF PEGGS TO 18 MILES SOUTHWEST OF
ASHLAND...MOVING EAST AT 30 MPH.

A TORNADO WATCH REMAINS IN AFFECT UNTIL 10 PM FOR THIS AREA ALSO.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 40 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.

LAT...LON 3460 9589 3468 9589 3468 9608 3469 9610
      3489 9609 3624 9510 3627 9422 3463 9542
      3459 9579 3459 9588
TIME...MOT...LOC 0255Z 261DEG 27KT 3614 9507 3465 9631

Local storm report, Feb 10, 9:07 PM CST, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
907 PM CST TUE FEB 10 2009

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

0830 PM     TSTM WND DMG     4 SE MIAMI              36.83N 94.83W
02/10/2009                   OTTAWA             OK   EMERGENCY MNGR

            POWER LINES DOWN...POWER POLE IN ROAD...EAST 120...S590
            ROADS.

&&

SFP

Special weather statement, Feb 10, 9:22 PM CST, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
922 PM CST TUE FEB 10 2009

ARZ001-002-010-OKZ062-063-110400-
BENTON AR-CARROLL AR-DELAWARE OK-MAYES OK-WASHINGTON AR-
922 PM CST TUE FEB 10 2009

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1000 PM CST
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     NORTHEASTERN WASHINGTON...NORTHWESTERN CARROLL AND BENTON

IN NORTHEAST OKLAHOMA
     SOUTHERN DELAWARE AND EASTERN MAYES

AT 922 PM CST...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 5 MILES NORTHEAST OF SULPHUR SPRINGS TO 4 MILES
NORTHWEST OF SILOAM SPRINGS...MOVING EAST AT 50 MPH.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 40 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.

LAT...LON 3618 9393 3618 9511 3658 9462 3650 9461
      3650 9377
TIME...MOT...LOC 0322Z 265DEG 44KT 3653 9435 3622 9457

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 6:18 PM CST	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Washington	57 min
Feb 10, 6:25 PM CST	Areal Flood Advisory	TSA	Nowata, Washington	2 hr
Feb 10, 6:28 PM CST	Severe Thunderstorm Warning	TSA	Nowata, Washington	47 min
Feb 10, 6:44 PM CST	Severe Thunderstorm Warning	TSA	Craig, Creek, Mayes, Nowata, Osage, Rogers and 2 more	78 min
Feb 10, 6:52 PM CST	Flash Flood Warning	TSA	Nowata, Washington	4 hr
Feb 10, 7:11 PM CST	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	64 min
Feb 10, 7:37 PM CST	Areal Flood Advisory	TSA	Creek, Tulsa	53 min
Feb 10, 8:55 PM CST	Special Weather Statement	TSA	Adair, Cherokee, Haskell, Latimer, McIntosh, Muskogee and 1 more	80 min
Feb 10, 9:46 PM CST	Special Weather Statement	TSA	Adair	74 min
Feb 10, 9:49 PM CST	Special Weather Statement	TSA	Choctaw, Haskell, Latimer, Pushmataha, Sequoyah	71 min
Feb 10, 10:18 PM CST	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	57 min
Feb 10, 11:00 PM CST	Special Weather Statement	TSA	Choctaw, LeFlore, Pushmataha, Sequoyah	75 min
Feb 10, 11:13 PM CST	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pushmataha	62 min
Feb 10, 11:35 PM CST	Areal Flood Advisory	TSA	LeFlore, Sequoyah	115 min
Feb 11, 6:24 AM CST	Wind Advisory	TSA	Craig, Creek, Delaware, Mayes, Nowata, Ottawa and 4 more	7 hr
Feb 11, 8:13 AM CST	Areal Flood Advisory	TSA	Craig, Mayes, Rogers	2 hr
Feb 10, 11:44 PM CST	Severe Thunderstorm Warning	TSA	Crawford, Franklin, Sebastian	51 min

Nearby

Special Weather Statements in Oklahoma, 2009 Special Weather Statements in Arkansas, 2009 Every special weather statement in 2009

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.