Alert archive / Oklahoma / Tornado Warnings in 2007

Tornado Warning 14, NWS Tulsa, OK

August 19, 2007McIntosh County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Aug 19, 2007, 6:32 PM CDT for McIntosh County, Oklahoma. It was in force for 43 min. 1 report 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
Aug 19, 2007, 6:32 PM CDT (23:32 UTC)
Expired
Aug 19, 2007, 7:15 PM CDT
In force
43 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County McIntosh County, OK

The radar

The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 23:32 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
Aug 19, 7:10 PM CDTTSTM WND DMG3 W Warner, OKSEMI BLOWN OFF I-40.

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

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.5 hours before the alert went out and 174 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, Norman, OK at 12:00Z on 2007-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 538 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, Norman, OK at 12:00Z on 2007-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 square meters per square second.193958Sfc1 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
538 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 192331
TORTSA
OKC091-200015-
/O.NEW.KTSA.TO.W.0014.070819T2332Z-070820T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
632 PM CDT SUN AUG 19 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 715 PM CDT

* AT 629 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES WEST OF
  RENTIESVILLE...MOVING EAST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...RENTIESVILLE.

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 3555 9563 3549 9560 3546 9534 3556 9536

$$
2 follow-up statements
000 
WWUS54 KTSA 200001
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
701 PM CDT SUN AUG 19 2007

OKC091-200015-
/O.CON.KTSA.TO.W.0014.000000T0000Z-070820T0015Z/
MCINTOSH OK-
701 PM CDT SUN AUG 19 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
NORTHEASTERN MCINTOSH COUNTY...

AT 658 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS 
LOCATED OVER FAR NORTHEASTERN MCINTOSH COUNTY...MOVING EAST AT 20 
MPH.

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

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 3555 9545 3546 9546 3545 9534 3555 9534

$$
000 
WWUS54 KTSA 200016
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
716 PM CDT SUN AUG 19 2007

OKC091-200026-
/O.EXP.KTSA.TO.W.0014.000000T0000Z-070820T0015Z/
MCINTOSH OK-
716 PM CDT SUN AUG 19 2007

...THE TORNADO WARNING FOR NORTHEASTERN MCINTOSH COUNTY EXPIRED AT
715 PM CDT...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW
SEVERE LIMITS...THEREFORE THE TORNADO WARNING WILL BE ALLOWED TO
EXPIRE.

LAT...LON 3555 9545 3546 9546 3545 9534 3555 9534

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 12:47 PM CDTSpecial Weather StatementTSAMuskogee, Okfuskee, Okmulgee, Wagoner58 min
Aug 19, 1:10 PM CDTFlash Flood WarningTSAOkfuskee3 hr
Aug 19, 1:25 PM CDTFlash Flood WatchTSAAdair, Cherokee, Craig, Delaware, Haskell, Latimer and 9 more10 hr
Aug 19, 1:49 PM CDTFlash Flood WarningTSAOkmulgee3 hr
Aug 19, 2:06 PM CDTFlash Flood WarningTSAMcIntosh, Muskogee6 hr
Aug 19, 4:01 PM CDTTornado WarningTSAOkfuskee, Okmulgee59 min
Aug 19, 4:39 PM CDTFlash Flood WarningTSAOkmulgee3 hr
Aug 19, 5:20 PM CDTSpecial Weather StatementTSAMcIntosh55 min
Aug 19, 5:53 PM CDTSpecial Weather StatementTSAMuskogee37 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.