Alert archive / Oklahoma / Tornado Warnings in 2007

Tornado Warning 13, NWS Tulsa, OK

August 19, 2007Okfuskee County, Okmulgee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Aug 19, 2007, 4:01 PM CDT for Okfuskee County, Okmulgee County, Oklahoma. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 19, 2007, 4:01 PM CDT (21:01 UTC)
Expired
Aug 19, 2007, 5:00 PM CDT
In force
59 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

Counties Okfuskee County, OK, Okmulgee County, OK

The radar

The Tulsa radar (KINX), 86 km from the middle of the area, began a volume at 21:03 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

Norman, OK (KOUN), launched 12:00Z, 9.0 hours before the alert went out and 121 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°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 192100
TORTSA
OKC107-111-192200-
/O.NEW.KTSA.TO.W.0013.070819T2101Z-070819T2200Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA
  WESTERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 500 PM CDT

* AT 357 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES
  NORTHWEST OF WILSON...MOVING EAST AT 15 MPH.

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

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 3560 9624 3548 9624 3548 9597 3562 9599

$$
4 follow-up statements
000 
WWUS54 KTSA 192117
SVSTSA

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

OKC107-192128-
/O.CAN.KTSA.TO.W.0013.000000T0000Z-070819T2200Z/
OKFUSKEE OK-
418 PM CDT SUN AUG 19 2007

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

LAT...LON 3561 9606 3553 9608 3549 9596 3560 9593

$$

OKC111-192200-
/O.CON.KTSA.TO.W.0013.000000T0000Z-070819T2200Z/
OKMULGEE OK-
418 PM CDT SUN AUG 19 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR CENTRAL
OKMULGEE COUNTY...

AT 416 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR SCHULTER...MOVING EAST AT 15 MPH.

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

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 3561 9606 3553 9608 3549 9596 3560 9593

$$
000 
WWUS54 KTSA 192132
SVSTSA

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

OKC111-192200-
/O.CON.KTSA.TO.W.0013.000000T0000Z-070819T2200Z/
OKMULGEE OK-
432 PM CDT SUN AUG 19 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTHERN
OKMULGEE COUNTY...

AT 429 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR SCHULTER...MOVING EAST AT 15 MPH.

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 3554 9609 3543 9608 3542 9596 3555 9593

$$
000 
WWUS54 KTSA 192140
SVSTSA

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

OKC111-192200-
/O.CON.KTSA.TO.W.0013.000000T0000Z-070819T2200Z/
OKMULGEE OK-
440 PM CDT SUN AUG 19 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR SOUTHERN
OKMULGEE COUNTY...

AT 437 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR SCHULTER...MOVING EAST AT 15 MPH.

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

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 3557 9601 3547 9606 3547 9585 3557 9585

$$
000 
WWUS54 KTSA 192200
SVSTSA

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

OKC111-192210-
/O.EXP.KTSA.TO.W.0013.000000T0000Z-070819T2200Z/
OKMULGEE OK-
500 PM CDT SUN AUG 19 2007

...THE TORNADO WARNING FOR SOUTHERN OKMULGEE COUNTY EXPIRES AT 500 PM
CDT...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
TORNADO WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3557 9601 3547 9606 3547 9585 3557 9585

$$

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, 4:39 PM CDTFlash Flood WarningTSAOkmulgee3 hr
Aug 19, 5:20 PM CDTSpecial Weather StatementTSAMcIntosh55 min
Aug 19, 5:53 PM CDTSpecial Weather StatementTSAMuskogee37 min
Aug 19, 6:32 PM CDTTornado WarningTSAMcIntosh43 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.