Alert archive / Oklahoma / Tornado Warnings in 2007

Tornado Warning 9, NWS Tulsa, OK

June 7, 2007Nowata County, Washington County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Jun 7, 2007, 10:00 PM CDT for Nowata County, Washington County, Oklahoma. It was in force for 45 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 7, 2007, 10:00 PM CDT (03:00 UTC)
Expired
Jun 7, 2007, 10:45 PM CDT
In force
45 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Nowata County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 72 km from the middle of the area, began a volume at 03:00 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.

What was reported inside it

TimeReportWhereRemark
Jun 7, 10:07 PM CDTHAIL 1Bartlesville, OKQUARTER SIZE HAIL IN BARTLESVILLE
Jun 7, 10:16 PM CDTTSTM WND GST 60Nowata, OK60 MPH GUST REPORTED BY STORM CHASER

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 7, 3:57 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 3.0 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-pSkew-T log-p diagram, Lamont, OK at 00:00Z on 2007-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2007-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3618 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 080300
TORTSA
OKC105-147-080345-
/O.NEW.KTSA.TO.W.0009.070608T0300Z-070608T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1000 PM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NOWATA COUNTY IN NORTHEAST OKLAHOMA
  CENTRAL WASHINGTON COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1045 PM CDT

* AT 1000 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  SOUTHEAST OF BARTLESVILLE...MOVING EAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...NOWATA...
  DELAWARE AND LENAPAH.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3683 9600 3660 9599 3662 9544 3699 9542
      3698 9556

$$
4 follow-up statements
000 
WWUS54 KTSA 080312
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1012 PM CDT THU JUN 7 2007

OKC105-147-080345-
/O.CON.KTSA.TO.W.0009.000000T0000Z-070608T0345Z/
NOWATA OK-WASHINGTON OK-
1012 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR CENTRAL
WASHINGTON AND NOWATA COUNTIES...

AT 1012 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED 8 MILES WEST OF NOWATA...MOVING EAST AT 35 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...NOWATA...
DELAWARE AND LENAPAH.

A SECOND SEVERE STORM WAS LOCATED 4 MILES NORTHEAST OF 
OCHELATA...MOVING EAST AT 35 MPH. 

IN ADDITION TO THE CAPABILITY OF PRODUCING A TORNADO...THESE STORMS 
MAY PORDUCE HAIL TO THE SIZE OF GOLF BALLS.  

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3676 9593 3660 9599 3662 9544 3699 9542
      3698 9556 3689 9578

$$
000 
WWUS54 KTSA 080325
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1024 PM CDT THU JUN 7 2007

OKC105-147-080345-
/O.CON.KTSA.TO.W.0009.000000T0000Z-070608T0345Z/
NOWATA OK-WASHINGTON OK-
1024 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR CENTRAL
WASHINGTON AND NOWATA COUNTIES...

AT 1024 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED 6 MILES EAST OF NOWATA...MOVING EAST AT 35 MPH.

THE WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED
COUNTY.

ANOTHER SEVERE STORM WAS LOCATED 12 MILES OF NOWATA...AND ALSO HAS 
SHOWN SIGNS OF ROTATION. 

HAIL UP TO GOLF BALL SIZE WILL BE POSSIBLE WITH THESE STORMS. 

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3676 9593 3660 9599 3662 9544 3699 9542
      3698 9556 3689 9578

$$
000 
WWUS54 KTSA 080334
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1033 PM CDT THU JUN 7 2007

OKC147-080343-
/O.CAN.KTSA.TO.W.0009.000000T0000Z-070608T0345Z/
WASHINGTON OK-
1033 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR WASHINGTON COUNTY IS CANCELLED...

LAT...LON 3675 9576 3665 9574 3662 9544 3699 9542
      3698 9556 3689 9578

$$

OKC105-080345-
/O.CON.KTSA.TO.W.0009.000000T0000Z-070608T0345Z/
NOWATA OK-
1033 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT FOR NOWATA
COUNTY...

AT 1033 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR DELAWARE...MOVING EAST AT 35 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...LENAPAH.

THIS STORM WILL BE CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3675 9576 3665 9574 3662 9544 3699 9542
      3698 9556 3689 9578

$$
000 
WWUS54 KTSA 080346
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1046 PM CDT THU JUN 7 2007

OKC105-080356-
/O.EXP.KTSA.TO.W.0009.000000T0000Z-070608T0345Z/
NOWATA OK-
1046 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR NOWATA COUNTY EXPIRES AT 1045 PM CDT...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

GUSTY WINDS...SMALL HAIL AND VERY HEAVY RAIN WILL STILL BE POSSIBLE
WITH THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT.

LAT...LON 3675 9576 3665 9574 3662 9544 3699 9542
      3698 9556 3689 9578

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 9:29 PM CDTSpecial Weather StatementTSAWashington46 min
Jun 7, 9:53 PM CDTSevere Thunderstorm WarningTSANowata, Washington67 min
Jun 7, 10:25 PM CDTTornado WarningTSACraig65 min
Jun 7, 10:45 PM CDTTornado WarningTSAOttawa49 min
Jun 7, 10:48 PM CDTSpecial Weather StatementTSANowata27 min
Jun 7, 10:56 PM CDTSevere Thunderstorm WarningTSANowata34 min
Jun 7, 11:19 PM CDTSevere Thunderstorm WarningTSACraig56 min
Jun 7, 11:37 PM CDTSpecial Weather StatementTSAOkfuskee23 min
Jun 7, 11:46 PM CDTSevere Thunderstorm WarningTSAOttawa74 min
Jun 8, 1:45 AM CDTSpecial Weather StatementTSACraig, Creek, Nowata, Ottawa, Rogers, Tulsa75 min
Jun 8, 2:11 AM CDTSevere Thunderstorm WarningTSACreek, Tulsa50 min
Jun 8, 2:35 AM CDTSpecial Weather StatementTSACraig, Mayes, Ottawa, Rogers55 min
Jun 8, 3:04 AM CDTSpecial Weather StatementTSACherokee, Delaware, McIntosh, Mayes, Muskogee, Okfuskee and 2 more71 min
Jun 8, 6:55 AM CDTSpecial Weather StatementTSALeFlore65 min

Nearby

Tornado Warnings in Oklahoma, 2007Every tornado warning in 2007Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.