Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 301, NWS Tulsa, OK

May 9, 2006Latimer County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 9, 2006, 8:31 PM CDT for Latimer County, Oklahoma. It was in force for 29 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: May 9, 2006, 8:31 PM CDT (01:31 UTC)
Expired: May 9, 2006, 9:00 PM CDT
In force: 29 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Latimer County, OK

The radar

The Western Arkansas radar (KSRX), 88 km from the middle of the area, began a volume at 01:34 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

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 9, 4:04 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.5 hours before the alert went out and 207 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: 3059 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 905 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 313 m²/s²
Significant tornado parameter: 4.2
Supercell composite: 16.6

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 100131
SVRTSA
OKC077-100200-
/O.NEW.KTSA.SV.W.0301.060510T0131Z-060510T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
831 PM CDT TUE MAY 9 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEAST LATIMER COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 900 PM CDT

* AT 826 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL
  AND WINDS TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES SOUTHWEST OF RED OAK TO YANUSH...MOVING EAST
  AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...RED OAK AND
  BENGAL.

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3495 9522 3468 9542 3470 9508 3499 9492

$$

1 follow-up statement

000 
WWUS54 KTSA 100201
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
901 PM CDT TUE MAY 9 2006

OKC077-100211-
/O.EXP.KTSA.SV.W.0301.000000T0000Z-060510T0200Z/
LATIMER OK-
901 PM CDT TUE MAY 9 2006

...THE SEVERE THUNDERSTORM WARNING FOR LATIMER COUNTY EXPIRES AT 900
PM CDT...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT.

LAT...LON 3495 9522 3468 9542 3470 9508 3499 9492

$$

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 9, 8:31 PM CDT, 0 minutes earlier.

Area forecast discussion, May 9, 8:31 PM CDT, 0 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
831 PM CDT TUE MAY 9 2006

.UPDATE...
HAVE UPDATED TO DROP NORTHERN TIER OF COUNTIES FROM TORNADO WATCH.
HAVE ALSO MADE SOME ADJUSTMENTS TO EVENING POPS BASED ON CURRENT
TRENDS. SFC COLD FRONT STRETCHING FROM ABOUT JAY TO OKEMAH...WITH
SIGNIFICANT SEVERE THREAT CONTINUING SOUTH OF FRONT. TO THE
NORTH...WILL HAVE TO WAIT ON POTENTIAL MCS VERY LATE TONIGHT INTO
WEDNESDAY MORNING. STORMS HAVE BEEN INCREASING OVER THE TEXAS
PANHANDLE IN THE LAST COUPLE OF HOURS...AND STILL EXPECTING THEM
TO CONGEAL INTO MCS WHICH WILL MOVE ACROSS EASTERN OK LATE
TONIGHT...PROBABLY AFTER 3 AM. SEVERE POTENTIAL INCREASES AGAIN
WITH THIS COMPLEX AS 500MB SPEED MAX AND UPPER WAVE MOVE INTO THE
AREA BY AROUND 09Z. EARLIER UPDATE RAISED WED MORNING POPS ACROSS
MUCH OF THE AREA AND THIS STILL LOOKS GOOD. HOWEVER...IT IS STILL
NOT CLEAR WHERE HEAVIEST PRECIP WILL FALL. FLASH FLOOD WATCH LOOKS
FINE THROUGH 7AM...BUT MAY NEED TO EXTEND INTO MORNING FOR SOME OF
THE AREA. WILL HOLD OFF ON THIS DECISION UNTIL 00Z MODELS BEGIN TO
COME IN.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...FLASH FLOOD WATCH UNTIL 7 AM WEDNESDAY FOR OKZ049-OKZ053-OKZ054-
     OKZ055-OKZ056-OKZ057-OKZ058-OKZ059-OKZ060-OKZ061-OKZ062-
     OKZ063-OKZ064-OKZ065-OKZ066-OKZ067-OKZ068-OKZ069-OKZ070-
     OKZ071-OKZ072-OKZ073-OKZ074-OKZ075-OKZ076.

AR...FLASH FLOOD WATCH UNTIL 7 AM WEDNESDAY FOR ARZ001-ARZ002-ARZ010-
     ARZ011-ARZ019-ARZ020-ARZ029.

&&

SHORT TERM FORECASTER ID= 4
LONG TERM FORECASTER ID= 14

Hazardous weather outlook, May 9, 6:22 PM CDT, 2 hours 9 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
622 PM CDT TUE MAY 9 2006

ARZ001-002-010-011-019-020-029-OKZ049-053>076-101000-
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-
622 PM CDT TUE MAY 9 2006

...TORNADO WATCH IN EFFECT FOR MUCH OF THE AREA THIS EVENING...
...FLASH FLOOD WATCH IN EFFECT FOR ALL OF THE AREA TONIGHT...

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

.DAY ONE...THIS EVENING AND TONIGHT.

TORNADO.
	RISK...ELEVATED.
	AREA...SOUTH OF INTERSTATE 44.
	ONSET...ONGOING.

	AREA AT GREATEST RISK...ALONG AND NEAR A FORT SMITH...
        MCALESTER LINE.

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

	AREA AT GREATEST RISK...SOUTHEAST OKLAHOMA AND
        WEST-CENTRAL ARKANSAS.

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

HEAVY RAIN.
	RISK...LIMITED.
	AREA...SOUTHEAST OKLAHOMA.
	ONSET...ONGOING.

DISCUSSION...
THUNDERSTORMS HAVE RAPIDLY DEVELOPED EARLY THIS EVENING AND HAVE
QUICKLY STRENGTHENED. WITH THE ATMOSPHERE REMAINING EXTREMELY
UNSTABLE...SEVERE THUNDERSTORMS WILL CONTINUE THROUGH THE EVENING.
EARLY THIS EVENING THE REMNANTS OF AN OUTFLOW BOUNDARY OVER THE
SOUTHERN PART OF THE AREA...AND A WEAK COLD FRONT IN THE NORTH WERE
PROVIDING THE MAIN FOCUS FOR DEVELOPMENT. INSTABILITY AND SHEAR
PROFILES CONTINUE TO SUGGEST SUPERCELLS ARE LIKELY WITH VERY LARGE
HAIL...DAMAGING DOWNBURST WINDS AND A FEW TORNADOES. THE TORNADO
THREAT WILL BE ENHANCED ALONG THE BOUNDARIES...ESPECIALLY IF ANY
SUPERCELLS RESIDE ALONG THE BOUNDARIES FOR ANY EXTENDED AMOUNT OF
TIME.

THE SEVERE WEATHER THREAT WILL LIKELY CONTINUE WELL INTO THE
OVERNIGHT HOURS AS A STRONG UPPER LEVEL DISTURBANCE APPROACHES THE
AREA. THE MAIN THREAT OVERNIGHT WILL BE LARGE HAIL...DAMAGING
DOWNBURST WIND. IN ADDITION...VERY HEAVY RAINFALL WILL BE LIKELY IN
THE STRONGER STORMS WITH FLASH FLOODING. A FLASH FLOOD WATCH IS IN
EFFECT FOR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS TONIGHT.

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

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
WEDNESDAY...THUNDERSTORM POTENTIAL.
THURSDAY...NO HAZARDS.
FRIDAY...NO HAZARDS.
SATURDAY...THUNDERSTORM POTENTIAL.
SUNDAY...THUNDERSTORM POTENTIAL.
MONDAY...NO HAZARDS.

EXTENDED DISCUSSION...
THUNDERSTORMS COULD REMAIN ACROSS THE AREA WEDNESDAY MORNING BUT
HIGH PRESSURE WILL BRING DRY WEATHER TO THE AREA FOR THURSDAY AND
FRIDAY. THUNDERSTORMS WILL THEN RETURN FOR THE WEEKEND AS ANOTHER
COLD FRONT APPROACHES THE AREA.

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

In the hours before

Special weather statement, May 9, 7:28 PM CDT, 1 hour 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
728 PM CDT TUE MAY 9 2006

OKZ068-069-100100-
ADAIR OK-CHEROKEE OK-
728 PM CDT TUE MAY 9 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 800 PM CDT
FOR THE FOLLOWING COUNTIES:

IN EAST CENTRAL OKLAHOMA
     CHEROKEE

IN NORTHEAST OKLAHOMA
     ADAIR

AT 728 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
TAHLEQUAH...MOVING EAST AT 10 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...MARIETTA...STILWELL...BARON...
CHRISTIE...PROCTOR...WESTVILLE...TAHLEQUAH AND ELDON.

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

Local storm report, May 9, 7:58 PM CDT, 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
758 PM CDT TUE MAY 09 2006

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

0750 PM     TSTM WND DMG     HARTSHORNE              34.85N 95.56W
05/09/2006                   PITTSBURG          OK   AMATEUR RADIO

            LARGE TREE LIMBS DOWN

&&

SFP

Special weather statement, May 9, 8:03 PM CDT, 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
803 PM CDT TUE MAY 9 2006

ARZ019-100130-
CRAWFORD AR-
803 PM CDT TUE MAY 9 2006

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 830 PM CDT
FOR THE FOLLOWING COUNTY:

IN NORTHWEST ARKANSAS
     SOUTHWESTERN CRAWFORD

AT 803 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 13
MILES SOUTHWEST OF UNIONTOWN...MOVING SOUTHEAST AT 15 MPH. SOME
LOCATIONS THAT WILL BE AFFECTED BY THIS STORM INCLUDE...PLEASANT
HILL...UNIONTOWN...CONCORD...BIDVILLE...MULBERRY...MOUNTAINBURG...VAN
BUREN...ALMA...CEDARVILLE...NATURAL DAM...CHESTER...KIBLER...
SHIBLEY...FURRY...DYER...FIGURE FIVE...RUDY...LEE CREEK...LOCKE AND
MOUNT GAYLER.  THE SEVERE PORTIONS OF THIS STORM ARE EXPECTED TO
REMAIN WEST AND SOUTH OF CRAWFORD COUNTY.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH ACROSS SOUTHWESTERN CRAWFORD COUNTY. RESIDENTS IN THESE AREAS
SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT WEATHER ALERT IS
UPGRADED TO A WARNING.

Local storm report, May 9, 8:14 PM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
814 PM CDT TUE MAY 09 2006

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

0814 PM     TSTM WND GST     MULDROW                 35.41N 94.60W
05/09/2006  E60 MPH          SEQUOYAH           OK   AMATEUR RADIO

&&

SFP

Local storm report, May 9, 8:15 PM CDT, 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
815 PM CDT TUE MAY 09 2006

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

0810 PM     HAIL             4 N MULDROW             35.46N 94.60W
05/09/2006  E1.00 INCH       SEQUOYAH           OK   LAW ENFORCEMENT

&&

SFP

Local storm report, May 9, 8:16 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
816 PM CDT TUE MAY 09 2006

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

0810 PM     HAIL             4 N MULDROW             35.46N 94.60W
05/09/2006  E1.00 INCH       SEQUOYAH           OK   LAW ENFORCEMENT

&&

SFP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:10 PM CDT	Severe Thunderstorm Warning	TSA	Latimer	80 min
May 9, 7:10 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	65 min
May 9, 7:14 PM CDT	Tornado Warning	TSA	Sequoyah	61 min
May 9, 7:33 PM CDT	Flash Flood Warning	TSA	Pittsburg	117 min
May 9, 7:41 PM CDT	Tornado Warning	TSA	Latimer	49 min
May 9, 7:44 PM CDT	Tornado Warning	TSA	Pittsburg	31 min
May 9, 7:51 PM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	84 min
May 9, 7:54 PM CDT	Tornado Warning	TSA	LeFlore	66 min
May 9, 7:57 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh	63 min
May 9, 7:58 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	31 min
May 9, 8:12 PM CDT	Tornado Warning	TSA	Sequoyah	33 min
May 9, 8:28 PM CDT	Severe Thunderstorm Warning	TSA	LeFlore	92 min
May 9, 8:56 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	19 min
May 9, 8:58 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Sequoyah	62 min
May 9, 9:10 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	95 min
May 9, 9:20 PM CDT	Flash Flood Warning	TSA	Choctaw, LeFlore, Pushmataha	115 min
May 9, 9:53 PM CDT	Flash Flood Warning	TSA	Sequoyah	67 min
May 9, 10:14 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Wagoner	76 min
May 9, 11:02 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	88 min
May 9, 11:21 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Tulsa	54 min
May 10, 12:00 AM CDT	Severe Thunderstorm Warning	TSA	Tulsa, Wagoner	60 min
May 10, 12:21 AM CDT	Severe Thunderstorm Warning	TSA	Creek	54 min
May 10, 12:59 AM CDT	Severe Thunderstorm Warning	TSA	Wagoner	46 min
May 10, 1:11 AM CDT	Severe Thunderstorm Warning	TSA	Creek	64 min
May 10, 1:19 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	71 min
May 10, 1:20 AM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	55 min
May 10, 2:04 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee	56 min
May 10, 2:09 AM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	27 min
May 10, 2:18 AM CDT	Severe Thunderstorm Warning	TSA	McIntosh	34 min
May 10, 3:32 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw	58 min
May 10, 3:42 AM CDT	Severe Thunderstorm Warning	TSA	Pushmataha	48 min
May 10, 3:52 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	53 min
May 10, 4:26 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw	32 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2006 Every severe thunderstorm warning in 2006

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.