Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 145, NWS Tulsa, OK

June 27, 2010Mayes County, Nowata County, Rogers County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 27, 2010, 6:20 PM CDT for Mayes County, Nowata County, Rogers County, Oklahoma. It was in force for 40 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 27, 2010, 6:20 PM CDT (23:20 UTC)
Expired: Jun 27, 2010, 7:00 PM CDT
In force: 40 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Mayes County, OK, Nowata County, OK, Rogers County, OK

The radar

The Tulsa radar (KINX), 36 km from the middle of the area, began a volume at 23:23 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 12:00Z, 11.3 hours before the alert went out and 157 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: 1247 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 986 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 227 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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 6:16 PM CDT, 4 minutes earlier.

Area forecast discussion, Jun 27, 6:16 PM CDT, 4 minutes before

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Hazardous weather outlook, Jun 27, 5:12 PM CDT, 1 hour 8 minutes before

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In the hours before

Special weather statement, Jun 27, 2:59 PM CDT, 3 hours 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
259 PM CDT SUN JUN 27 2010

OKZ054>056-272030-
NOWATA OK-OSAGE OK-WASHINGTON OK-
259 PM CDT SUN JUN 27 2010

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 330 PM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     NORTHWESTERN NOWATA...WASHINGTON AND NORTHEASTERN OSAGE

AT 259 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER HULAH...MOVING
EAST AT 20 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY THIS STORM
INCLUDE...WANN...HULAH AND COPAN.

THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.

LAT...LON 3700 9569 3688 9565 3681 9608 3698 9614
      3700 9608
TIME...MOT...LOC 1959Z 254DEG 17KT 3692 9600

Special weather statement, Jun 27, 4:20 PM CDT, 2 hours before

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Special weather statement, Jun 27, 4:23 PM CDT, 1 hour 57 minutes before

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Special weather statement, Jun 27, 4:33 PM CDT, 1 hour 47 minutes before

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Special weather statement, Jun 27, 5:02 PM CDT, 1 hour 18 minutes before

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Special weather statement, Jun 27, 5:34 PM CDT, 46 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 27, 3:46 AM CDT	Heat Advisory	TSA	Craig, Creek, Haskell, Latimer, McIntosh, Mayes and 8 more	15 hr
Jun 27, 2:07 PM CDT	Special Weather Statement	TSA	Nowata	23 min
Jun 27, 2:59 PM CDT	Special Weather Statement	TSA	Washington	31 min
Jun 27, 3:02 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers	43 min
Jun 27, 3:43 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes, Rogers	47 min
Jun 27, 4:23 PM CDT	Special Weather Statement	TSA	Craig	37 min
Jun 27, 4:33 PM CDT	Special Weather Statement	TSA	Mayes	42 min
Jun 27, 5:02 PM CDT	Special Weather Statement	TSA	Washington	43 min
Jun 27, 5:34 PM CDT	Special Weather Statement	TSA	Nowata	41 min
Jun 27, 5:51 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	39 min
Jun 27, 5:59 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	46 min
Jun 27, 6:44 PM CDT	Special Weather Statement	TSA	Carroll, Madison	46 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2010 Every severe thunderstorm warning in 2010

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.