Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 423, NWS Norman, OK

June 8, 2009Garfield County, Kingfisher County, Noble County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 8, 2009, 1:30 AM CDT for Garfield County, Kingfisher County, Noble County, Oklahoma. It was in force for 60 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
Jun 8, 2009, 1:30 AM CDT (06:30 UTC)
Expired
Jun 8, 2009, 2:30 AM CDT
In force
60 min
Issued by
NWS Norman, OK
Area
Storm-based polygon

Counties Garfield County, OK, Kingfisher County, OK, Noble County, OK

The radar

The Vance AFB radar (KVNX), 70 km from the middle of the area, began a volume at 06:31 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, 6.5 hours before the alert went out and 45 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 2009-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2606 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lamont, OK at 00:00Z on 2009-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
2606 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
1845 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 12:54 AM CDT, 36 minutes earlier.

Area forecast discussion, Jun 8, 12:54 AM CDT, 36 minutes before
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Hazardous weather outlook, Jun 8, 1:02 AM CDT, 28 minutes before
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In the hours before

Special weather statement, Jun 7, 11:33 PM CDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
1133 PM CDT SUN JUN 7 2009

OKZ026-030>032-042-080515-
LINCOLN OK-POTTAWATOMIE OK-SEMINOLE OK-HUGHES OK-PONTOTOC OK-
1133 PM CDT SUN JUN 7 2009

...SIGNIFICANT WEATHER ADVISORY...

THIS SIGNIFICANT WEATHER ADVISORY IS FOR HUGHES...LINCOLN...
PONTOTOC...POTTAWATOMIE AND SEMINOLE COUNTIES.

DISSIPATING SHOWERS OVER PORTIONS OF SEMINOLE...HUGHES...AND COAL
COUNTIES WILL CREATE STRONG AND POSSIBLY DAMAGING WINDS OVER THESE
COUNTIES AND THOSE FARTHER NORTH TOWARD LINCOLN COUNTY. LOCATIONS
AROUND SEMINOLE...PRAGUE...HOLDENVILLE...AND WETUMKA STAND THE
GREATEST CHANCE OF SEEING DAMAGING WINDS. WIND GUSTS AROUND 60 MPH
WILL BE POSSIBLE THROUGH AT LEAST MIDNIGHT.
Local storm report, Jun 7, 11:35 PM CDT, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORMAN OK
1135 PM CDT SUN JUN 07 2009

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

0435 PM     TSTM WND GST     2 WSW WOODWARD          36.42N 99.42W
06/07/2009  M58.00 MPH       WOODWARD           OK   MESONET

0540 PM     TSTM WND DMG     CAPRON                  36.90N 98.58W
06/07/2009                   WOODS              OK   FIRE DEPT/RESCUE

            AN EIGHT INCH DIAMETER TREE LIMB WAS DOWNED.

0620 PM     TSTM WND DMG     CROWELL                 33.98N 99.72W
06/07/2009                   FOARD              TX   FIRE DEPT/RESCUE

            A GRAIN ELEVATOR WAS BLOWN DOWN ON THE SOUTH SIDE OF
            TOWN.

0620 PM     TSTM WND DMG     CROWELL                 33.98N 99.72W
06/07/2009                   FOARD              TX   AMATEUR RADIO

            POWER LINES ARE DONWED ACROSS HIGHWAY 70 IN CROWELL.
            SIGNS WERE ALSO BLOWN DOWN AND A ROOF WAS DAMAGED AT A
            RESIDENCE. THE TIME IS ESTIMATED.

0635 PM     HAIL             14 SW CROWELL           33.84N 99.90W
06/07/2009  E0.75 INCH       FOARD              TX   PUBLIC

0656 PM     HAIL             8 SSE CROWELL           33.88N 99.67W
06/07/2009  E0.88 INCH       FOARD              TX   PUBLIC

            40 TO 50 MPH WIND WAS ALSO RERORTED.

0719 PM     HAIL             3 W LOCKETT             34.08N 99.42W
06/07/2009  E0.75 INCH       WILBARGER          TX   PUBLIC

0743 PM     HAIL             11 WSW GRAYBACK         33.92N 99.35W
06/07/2009  E0.75 INCH       WILBARGER          TX   PUBLIC

0900 PM     NON-TSTM WND GST RUSH SPRINGS            34.78N 97.96W
06/07/2009  M65.00 MPH       GRADY              OK   BROADCAST MEDIA

            THE GUST WAS MEASURED ON THE SOUTH SIDE OF TOWN. RELAYED
            BY KWTV-9.

0900 PM     NON-TSTM WND GST 4 WNW RUSH SPRINGS      34.80N 98.02W
06/07/2009  M58.00 MPH       GRADY              OK   MESONET

            WIND GUSTS OF 58 MPH WERE REPORTED FOR 5 TO 10 MINUTES.
            POWER LINES WERE DOWNED ON THE NORTH SIDE OF RUSH SPRINGS
            WITH POWER OUT IN TOWN.

0950 PM     NON-TSTM WND GST 6 SSW WASHINGTON        34.98N 97.52W
06/07/2009  M71.00 MPH       MCCLAIN            OK   MESONET

1055 PM     NON-TSTM WND GST SHAWNEE                 35.34N 96.92W
06/07/2009  M65.00 MPH       POTTAWATOMIE       OK   BROADCAST MEDIA

            THE WIND GUST WAS MEASURED ON THE EAST SIDE OF SHAWNEE.
            RELAYED BY KWTV-9.

&&

TY
Local storm report, Jun 7, 11:43 PM CDT, 1 hour 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1143 PM CDT SUN JUN 07 2009

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

0940 PM     NON-TSTM WND GST ELGIN                   34.78N 98.29W
06/07/2009  M63 MPH          COMANCHE           OK   FIRE DEPT/RESCUE

            POWER LINES WERE DOWNED 3 MILES NORTH OF ELGIN ON WATTS
            ROAD. THE REPORT WAS RELAYED BY THE COVE ACRES VOL. FIRE
            DEPARTMENT.

&&

TY
Local storm report, Jun 8, 12:08 AM CDT, 1 hour 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
1208 AM CDT MON JUN 08 2009

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

1030 PM     NON-TSTM WND DMG TECUMSEH                35.26N 96.93W
06/07/2009                   POTTAWATOMIE       OK   EMERGENCY MNGR

            TREE DAMAGE WAS REPORTED FROM TECUMSEH, NORTH TO HIGHWAY
            3. THREE FOOT DIAMETER TREE LIMBS WERE DOWNED, AND SOME
            SHINGLES WERE BLOWN OFF OF SEVERAL ROOFTOPS.

&&

TY
Special weather statement, Jun 8, 1:15 AM CDT, 15 minutes before
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Local storm report, Jun 8, 1:16 AM CDT, 14 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:29 PM CDTSevere Thunderstorm WarningOUNTillman61 min
Jun 7, 9:51 PM CDTHigh Wind WarningOUNCaddo, Carter, Cleveland, Coal, Comanche, Cotton and 14 more3 hr
Jun 8, 12:22 AM CDTSevere Thunderstorm WarningOUNGrant, Kay53 min
Jun 8, 12:43 AM CDTSevere Thunderstorm WarningOUNBlaine, Garfield, Kingfisher, Major47 min
Jun 7, 8:09 PM CDTSevere Thunderstorm WarningOUNKnox41 min
Jun 8, 5:00 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor60 min
Jun 8, 5:37 PM CDTSevere Thunderstorm WarningOUNBaylor, Knox53 min
Jun 8, 5:56 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor64 min
Jun 8, 6:58 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor35 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2009Every severe thunderstorm 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.