Alert archive / Oklahoma / Flash Flood Warnings in 2003

Flash Flood Warning 23, NWS Tulsa, OK

August 3, 2003Okmulgee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Aug 3, 2003, 8:54 AM CDT for Okmulgee County, Oklahoma. It was in force for 3 hr. 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 3, 2003, 8:54 AM CDT (13:54 UTC)
Expired: Aug 3, 2003, 12:00 PM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Okmulgee County, OK

The radar

The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 13:58 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, 1.9 hours before the alert went out and 135 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: 1245 J/kg
Mixed-layer CIN: -301 J/kg
Mixed-layer LCL: 1439 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 031355
FFWTUL
OKC111-031700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
854 AM CDT SUN AUG 3 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  OKMULGEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL NOON CDT

* AT 854 AM CDT RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN
  ALONG A LINE EXTENDING FROM 19 MILES NORTHWEST OF BEGGS TO 5 MILES
  SOUTHWEST OF PRESTON...MOVING SOUTHEAST AT 30 MPH. RADAR INDICATES 
  THAT 2 TO 3 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED      
  AREA. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH NOON CDT AS   
  ADDITIONAL STORMS REDEVELOP AND MOVE ACROSS THE AREA.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE WILSON...OKMULGEE...HENRYETTA...DEWAR...HOFFMAN...
  GRAYSON...SCHULTER...MORRIS...PRESTON...BEGGS AND BALD HILL.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

LAT...LON 3586 9619 3586 9575 3555 9571 3555 9582
          3538 9588 3538 9609 3556 9609 3556 9618

$$

1 follow-up statement

000 
WGUS74 KTSA 031655
FFSTUL
OKC111-031730-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1155 AM CDT SUN AUG 3 2003

...FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE FOR OKMULGEE COUNTY 
AT NOON...

HEAVY RAINFALL WAS EXITING SOUTHERN OKMULGEE COUNTY AND THE THREAT 
FOR ADDITIONAL FLASH FLOODING HAS ENDED. THEREFORE THE FLASH FLOOD 
WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3570 9598 3569 9619 3541 9605 3546 9587

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 1:47 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	58 min
Aug 3, 2:18 AM CDT	Severe Thunderstorm Warning	TSA	Creek	57 min
Aug 3, 2:43 AM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	47 min
Aug 3, 2:55 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa	50 min
Aug 3, 3:03 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Wagoner	57 min
Aug 3, 3:13 AM CDT	Severe Thunderstorm Warning	TSA	Creek	47 min
Aug 3, 3:52 AM CDT	Severe Thunderstorm Warning	TSA	Creek	68 min
Aug 3, 3:58 AM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	62 min
Aug 3, 4:02 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Wagoner	58 min
Aug 3, 4:37 AM CDT	Severe Thunderstorm Warning	TSA	Pawnee	38 min
Aug 3, 4:49 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	56 min
Aug 3, 4:59 AM CDT	Severe Thunderstorm Warning	TSA	Creek	61 min
Aug 3, 6:19 AM CDT	Flash Flood Warning	TSA	Creek, Osage, Pawnee	4 hr
Aug 3, 8:37 AM CDT	Flash Flood Warning	TSA	Pittsburg	3 hr
Aug 3, 8:47 AM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	43 min
Aug 3, 10:41 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw	49 min
Aug 3, 11:23 AM CDT	Flash Flood Warning	TSA	Pittsburg	2 hr
Aug 3, 11:49 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	41 min
Aug 3, 1:33 PM CDT	Flash Flood Warning	TSA	Pittsburg	57 min

Nearby

Flash Flood Warnings in Oklahoma, 2003 Every flash flood warning in 2003

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.