Alert archive / Oklahoma / Heat Advisories in 2007

Heat Advisory 1, NWS Tulsa, OK

August 9, 200721 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this heat advisory at Aug 9, 2007, 11:36 AM CDT for 21 counties in Oklahoma; 4 counties in Arkansas. It was in force for 4 days.

The area

The counties it named.

The facts

Issued: Aug 9, 2007, 11:36 AM CDT (16:36 UTC)
Expired: Aug 13, 2007, 4:51 AM CDT
In force: 4 days
Issued by: NWS Tulsa, OK

All 25 counties

Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 45 km from the middle of the area, began a volume at 16:41 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 12:00Z, 4.6 hours before the alert went out and 216 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: 584 J/kg
Mixed-layer CIN: -366 J/kg
Mixed-layer LCL: 982 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 256 m²/s²
0-3 km storm-relative helicity: 389 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Aug 9, 11:35 AM CDT, 1 minute earlier.

Area forecast discussion, Aug 9, 11:35 AM CDT, 1 minute before

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Hazardous weather outlook, Aug 9, 10:35 AM CDT, 1 hour 1 minute before

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In the hours before

Special weather statement, Aug 9, 5:36 AM CDT, 6 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
536 AM CDT THU AUG 9 2007

OKZ054-091100-
OSAGE OK-
536 AM CDT THU AUG 9 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 600 AM CDT
FOR THE FOLLOWING COUNTY:

IN NORTHEAST OKLAHOMA
     WESTERN OSAGE

AT 536 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 16
MILES WEST OF FAIRFAX...MOVING EAST AT 20 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...SHIDLER...FAIRFAX...BURBANK
AND APPERSON.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
40 MPH.

LAT...LON 3667 9704 3649 9701 3655 9677 3657 9647
      3688 9648

Special weather statement, Aug 9, 6:40 AM CDT, 4 hours 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
640 AM CDT THU AUG 9 2007

OKZ054-091245-
OSAGE OK-
640 AM CDT THU AUG 9 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 745 AM CDT
FOR THE FOLLOWING COUNTY:

IN NORTHEAST OKLAHOMA
     NORTHERN OSAGE

AT 640 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES
SOUTH OF BURBANK...MOVING EAST AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...SHIDLER...FAIRFAX...NELAGONEY...
BURBANK...AND APPERSON.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH. ADDITIONAL THUNDERSTORMS ACROSS NORTHERN OSAGE COUNTY MAY
BECOME STRONG AS WELL.

LAT...LON 3700 9603 3664 9601 3653 9672 3657 9675
      3657 9679 3652 9685 3650 9701 3650 9700
      3657 9688 3660 9688 3666 9706 3666 9706

Special weather statement, Aug 9, 7:45 AM CDT, 3 hours 51 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
745 AM CDT THU AUG 9 2007

OKZ054-091315-
OSAGE OK-
745 AM CDT THU AUG 9 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 815 AM CDT
FOR THE FOLLOWING COUNTY:

IN NORTHEAST OKLAHOMA
     EASTERN OSAGE

AT 745 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
WOLCO...MOVING EAST AT 15 MPH. SOME LOCATIONS THAT WILL BE AFFECTED
BY THIS STORM INCLUDE...AVANT...WOLCO...BARNSDALL AND TALLANT.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH. ADDITIONAL THUNDERSTORMS MAY BRIEFLY BECOME STRONG ACROSS
OSAGE COUNTY AS WELL.

LAT...LON 3665 9620 3641 9618 3642 9601 3666 9600

Special weather statement, Aug 9, 8:14 AM CDT, 3 hours 22 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
Aug 9, 3:54 AM CDT	Severe Thunderstorm Warning	TSA	Osage	40 min
Aug 9, 4:37 AM CDT	Special Weather Statement	TSA	Osage, Pawnee, Washington	38 min
Aug 9, 5:36 AM CDT	Special Weather Statement	TSA	Osage	24 min
Aug 9, 6:40 AM CDT	Special Weather Statement	TSA	Osage	65 min
Aug 9, 7:45 AM CDT	Special Weather Statement	TSA	Washington	30 min
Aug 9, 8:14 AM CDT	Special Weather Statement	TSA	Rogers	46 min
Aug 9, 4:16 PM CDT	Special Weather Statement	TSA	Carroll	29 min
Aug 9, 4:46 PM CDT	Special Weather Statement	TSA	Carroll	29 min
Aug 9, 5:17 PM CDT	Special Weather Statement	TSA	Carroll	43 min

Nearby

Heat Advisories in Oklahoma, 2007 Heat Advisories in Arkansas, 2007 Every heat advisory in 2007

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.