Alert archive / Oklahoma / High Wind Warnings in 2009

High Wind Warning 2, NWS Tulsa, OK

April 30, 2009Tulsa County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this high wind warning at Apr 30, 2009, 4:15 AM CDT for Tulsa County, Wagoner County, Oklahoma. It was in force for 105 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
Apr 30, 2009, 4:15 AM CDT (09:15 UTC)
Expired
Apr 30, 2009, 6:00 AM CDT
In force
105 min
Issued by
NWS Tulsa, OK

Counties Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 21 km from the middle of the area, began a volume at 09:16 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

Lamont, OK (KLMN), launched 00:00Z, 9.3 hours before the alert went out and 169 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-pSkew-T log-p diagram, Lamont, OK at 00:00Z on 2009-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 225 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lamont, OK at 00:00Z on 2009-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
225 J/kg
Mixed-layer CIN
-184 J/kg
Mixed-layer LCL
811 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
98 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.

000 
WWUS74 KTSA 300915
NPWTSA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TULSA OK
415 AM CDT THU APR 30 2009


OKZ060-067-301100-
/O.NEW.KTSA.HW.W.0002.090430T0915Z-090430T1100Z/
TULSA-WAGONER-
INCLUDING THE CITIES OF...TULSA...WAGONER
415 AM CDT THU APR 30 2009

...HIGH WIND WARNING IN EFFECT UNTIL 6 AM CDT EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 6 AM CDT EARLY THIS MORNING. 

FOR THE FOLLOWING COUNTIES...
IN OKLAHOMA...
TULSA AND WAGONER.

GUSTY SOUTH TO SOUTHWEST WINDS HAVE DEVELOPED ACROSS PARTS OF
SOUTHERN TULSA COUNTY AND WESTERN WAGONER COUNTY...ALONG THE
LEADING EDGE OF A LARGE AREA OF SHOWERS. OCCASIONAL GUSTS TO
AROUND 50 MPH WILL BE POSSIBLE THROUGH 6 AM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$
1 follow-up statement
000 
WWUS74 KTSA 301105
NPWTSA

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE TULSA OK
605 AM CDT THU APR 30 2009

...WINDS IN THE WARNING AREA ARE DIMINISHING AND THE ADVISORY WILL 
BE ALLOWED TO EXPIRE...

.WINDS HAVE DIMINISHED BUT STILL OCCASIONALLY GUSTING TO ABOVE 30 MPH. 

OKZ060-067-301215-
/O.EXP.KTSA.HW.W.0002.000000T0000Z-090430T1100Z/
TULSA-WAGONER-
INCLUDING THE CITIES OF...TULSA...WAGONER
605 AM CDT THU APR 30 2009

...HIGH WIND WARNING HAS EXPIRED...

THE HIGH WIND WARNING IS NO LONGER IN EFFECT. 

FOR THE FOLLOWING COUNTIES...

IN OKLAHOMA...
TULSA AND WAGONER.

THE WINDS CAUSED BY THE THUNDERSTORM ACTIVITY IN THE AREA HAS 
DIMINISHED TO BELOW WARNING CRITERIA SO THE HIGH WIND WARNING WAS
ALLOWED TO EXPIRE. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:07 PM CDTAreal Flood AdvisoryTSAChoctaw, Latimer, Pittsburg, Pushmataha83 min
Apr 29, 8:42 PM CDTAreal Flood AdvisoryTSAChoctaw, LeFlore, Pushmataha2 hr
Apr 30, 1:04 AM CDTSpecial Weather StatementTSACreek, Tulsa41 min
Apr 30, 1:06 AM CDTSpecial Weather StatementTSACreek, Tulsa39 min
Apr 30, 3:59 AM CDTSpecial Weather StatementTSAWagoner46 min
Apr 30, 9:00 AM CDTAreal Flood AdvisoryTSAOsage2 hr
Apr 30, 9:48 AM CDTFlash Flood WarningTSAOsage4 hr
Apr 30, 1:23 PM CDTSpecial Weather StatementTSAMcIntosh67 min
Apr 30, 1:52 PM CDTSpecial Weather StatementTSAWagoner38 min

Nearby

High Wind Warnings in Oklahoma, 2009Every high wind warning 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.