Alert archive / Oklahoma / Flash Flood Warnings in 2003

Flash Flood Warning 20, NWS Tulsa, OK

August 2, 2003Wagoner County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Aug 2, 2003, 6:55 AM CDT for Wagoner 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 counties it named.

The facts

Issued: Aug 2, 2003, 6:55 AM CDT (11:55 UTC)
Expired: Aug 2, 2003, 9:45 AM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Whole counties

County Wagoner County, OK

The radar

The Tulsa radar (KINX), 24 km from the middle of the area, began a volume at 11:56 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

Springfield, MO (KSGF), launched 00:00Z, 11.9 hours before the alert went out and 186 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: 483 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1986 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 021155
FFWTUL
OKC145-021445-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
655 AM CDT SAT AUG 2 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  WAGONER COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 945 AM CDT

* AT 655 AM RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN       
  WERE MOVING THROUGH WAGONER COUNTY.  THUNDERSTORMS ARE   
  EXPECTED TO CONTINUE OVER WAGONER COUNTY THROUGH 830 AM THIS       
  MORNING. RADAR INDICATES THAT THREE TO FIVE INCHES OF RAIN HAS     
  FALLEN OVERNIGHT IN CENTRAL WAGONER COUNTY JUST EAST OF COWETA.
  ANOTHER ONE TO TWO INCHES OF RAIN WILL BE POSSIBLE BY 900 AM.

EXCESSIVE RUNOFF WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING
AREAS ARE SUBJECT TO FLASH FLOODING.

$$

LAT...LON 3607 9569 3589 9565 3588 9530 3608 9530

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 7:11 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee	49 min
Aug 1, 7:26 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	49 min
Aug 1, 7:40 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee	50 min
Aug 1, 7:44 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	61 min
Aug 1, 8:05 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	40 min
Aug 1, 8:15 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	45 min
Aug 1, 8:28 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore	77 min
Aug 1, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	50 min
Aug 1, 8:56 PM CDT	Severe Thunderstorm Warning	TSA	Haskell	34 min
Aug 2, 12:38 AM CDT	Severe Thunderstorm Warning	TSA	Osage	52 min
Aug 2, 12:57 AM CDT	Severe Thunderstorm Warning	TSA	Washington	48 min
Aug 2, 1:28 AM CDT	Severe Thunderstorm Warning	TSA	Osage	62 min
Aug 2, 1:50 AM CDT	Severe Thunderstorm Warning	TSA	Washington	40 min
Aug 2, 2:14 AM CDT	Severe Thunderstorm Warning	TSA	Pawnee	46 min
Aug 2, 4:10 AM CDT	Flash Flood Warning	TSA	Tulsa	4 hr
Aug 2, 5:25 AM CDT	Severe Thunderstorm Warning	TSA	Muskogee	65 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.